/kernel/trunk/generic/include/ipc/ipc.h |
---|
0,0 → 1,240 |
/* |
* Copyright (C) 2006 Ondrej Palkovsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __IPC_H__ |
#define __IPC_H__ |
/* Length of data being transfered with IPC call */ |
/* - the uspace may not be able to utilize full length */ |
#define IPC_CALL_LEN 4 |
/** Maximum active async calls per thread */ |
#ifdef CONFIG_DEBUG |
# define IPC_MAX_ASYNC_CALLS 4 |
#else |
# define IPC_MAX_ASYNC_CALLS 4000 |
#endif |
/* Flags for calls */ |
#define IPC_CALL_ANSWERED (1<<0) /**< This is answer to a call */ |
#define IPC_CALL_STATIC_ALLOC (1<<1) /**< This call will not be freed on error */ |
#define IPC_CALL_DISCARD_ANSWER (1<<2) /**< Answer will not be passed to |
* userspace, will be discarded */ |
#define IPC_CALL_FORWARDED (1<<3) /* Call was forwarded */ |
#define IPC_CALL_CONN_ME_TO (1<<4) /* Identify connect_me_to answer */ |
#define IPC_CALL_NOTIF (1<<5) /* Interrupt notification */ |
/* Flags of callid (the addresses are aligned at least to 4, |
* that is why we can use bottom 2 bits of the call address |
*/ |
#define IPC_CALLID_ANSWERED 1 /**< Type of this msg is 'answer' */ |
#define IPC_CALLID_NOTIFICATION 2 /**< Type of this msg is 'notification' */ |
/* Return values from IPC_ASYNC */ |
#define IPC_CALLRET_FATAL -1 |
#define IPC_CALLRET_TEMPORARY -2 |
/* Macros for manipulating calling data */ |
#define IPC_SET_RETVAL(data, retval) ((data).args[0] = (retval)) |
#define IPC_SET_METHOD(data, val) ((data).args[0] = (val)) |
#define IPC_SET_ARG1(data, val) ((data).args[1] = (val)) |
#define IPC_SET_ARG2(data, val) ((data).args[2] = (val)) |
#define IPC_SET_ARG3(data, val) ((data).args[3] = (val)) |
#define IPC_GET_METHOD(data) ((data).args[0]) |
#define IPC_GET_RETVAL(data) ((data).args[0]) |
#define IPC_GET_ARG1(data) ((data).args[1]) |
#define IPC_GET_ARG2(data) ((data).args[2]) |
#define IPC_GET_ARG3(data) ((data).args[3]) |
/* Well known phone descriptors */ |
#define PHONE_NS 0 |
/* System-specific methods - only through special syscalls |
* These methods have special behaviour |
*/ |
/** Protocol for CONNECT - TO - ME |
* |
* Calling process asks the callee to create a callback connection, |
* so that it can start initiating new messages. |
* |
* The protocol for negotiating is: |
* - sys_connect_to_me - sends a message IPC_M_CONNECTTOME |
* - sys_wait_for_call - upon receipt tries to allocate new phone |
* - if it fails, responds with ELIMIT |
* - passes call to userspace. If userspace |
* responds with error, phone is deallocated and |
* error is sent back to caller. Otherwise |
* the call is accepted and the response is sent back. |
* - the allocated phoneid is passed to userspace |
* (on the receiving sid) as ARG3 of the call. |
* - the caller obtains taskid of the called thread |
*/ |
#define IPC_M_CONNECT_TO_ME 1 |
/** Protocol for CONNECT - ME - TO |
* |
* Calling process asks the callee to create for him a new connection. |
* E.g. the caller wants a name server to connect him to print server. |
* |
* The protocol for negotiating is: |
* - sys_connect_me_to - send a synchronous message to name server |
* indicating that it wants to be connected to some |
* service |
* - arg1/2 are user specified, arg3 contains |
* address of the phone that should be connected |
* (TODO: it leaks to userspace) |
* recipient - if ipc_answer == 0, then accept connection |
* - otherwise connection refused |
* - recepient may forward message. Forwarding |
* system message |
* |
*/ |
#define IPC_M_CONNECT_ME_TO 2 |
/** This message is sent to answerbox when the phone |
* is hung up |
*/ |
#define IPC_M_PHONE_HUNGUP 3 |
/** Interrupt notification */ |
#define IPC_M_INTERRUPT 4 |
/** Send as_area over IPC |
* - ARG1 - src base address |
* - ARG2 - size of src as(filled automatically by kernel) |
* - ARG3 - flags of the area being sent |
* - on answer ARG1 - dst base adress |
*/ |
#define IPC_M_AS_AREA_SEND 5 |
/** Get as_area over IPC |
* - ARG1 - Where the area will be mapped |
* - ARG2 - Expected size of area |
* - ARG3 - User defined argument |
* on answer - the server sets ARG1 as src as address of the as_area |
* to be shared, ARG2 is set to rights that will be used for sharing, |
* which is returned as part of answer back to the receiver |
*/ |
#define IPC_M_AS_AREA_RECV 6 |
/* Well-known methods */ |
#define IPC_M_LAST_SYSTEM 511 |
#define IPC_M_PING 512 |
/* User methods */ |
#define FIRST_USER_METHOD 1024 |
#ifdef KERNEL |
#include <synch/mutex.h> |
#include <synch/condvar.h> |
#include <adt/list.h> |
#define IPC_MAX_PHONES 16 |
typedef struct answerbox_s answerbox_t; |
typedef struct phone_s phone_t; |
typedef struct { |
__native args[IPC_CALL_LEN]; |
phone_t *phone; |
}ipc_data_t; |
struct answerbox_s { |
SPINLOCK_DECLARE(lock); |
task_t *task; |
waitq_t wq; |
link_t connected_phones; /**< Phones connected to this answerbox */ |
link_t calls; /**< Received calls */ |
link_t dispatched_calls; /* Should be hash table in the future */ |
link_t answers; /**< Answered calls */ |
SPINLOCK_DECLARE(irq_lock); |
link_t irq_notifs; /**< Notifications from IRQ handlers */ |
}; |
typedef enum { |
IPC_PHONE_FREE = 0, /**< Phone is free and can be allocated */ |
IPC_PHONE_CONNECTING, /**< Phone is connecting somewhere */ |
IPC_PHONE_CONNECTED, /**< Phone is connected */ |
IPC_PHONE_HUNGUP, /**< Phone is hung up, waiting for answers to come */ |
IPC_PHONE_SLAMMED /**< Phone was hungup from server */ |
} ipc_phone_state_t; |
/** Structure identifying phone (in TASK structure) */ |
struct phone_s { |
SPINLOCK_DECLARE(lock); |
link_t link; |
answerbox_t *callee; |
ipc_phone_state_t state; |
atomic_t active_calls; |
}; |
typedef struct { |
link_t link; |
int flags; |
/* Identification of the caller */ |
task_t *sender; |
/* The caller box is different from sender->answerbox |
* for synchronous calls |
*/ |
answerbox_t *callerbox; |
__native private; /**< Private data to internal IPC */ |
ipc_data_t data; /**< Data passed from/to userspace */ |
}call_t; |
extern void ipc_init(void); |
extern call_t * ipc_wait_for_call(answerbox_t *box, __u32 usec, int flags); |
extern void ipc_answer(answerbox_t *box, call_t *request); |
extern int ipc_call(phone_t *phone, call_t *call); |
extern void ipc_call_sync(phone_t *phone, call_t *request); |
extern void ipc_phone_init(phone_t *phone); |
extern void ipc_phone_connect(phone_t *phone, answerbox_t *box); |
extern void ipc_call_free(call_t *call); |
extern call_t * ipc_call_alloc(int flags); |
extern void ipc_answerbox_init(answerbox_t *box); |
extern void ipc_call_static_init(call_t *call); |
extern void task_print_list(void); |
extern int ipc_forward(call_t *call, phone_t *newphone, answerbox_t *oldbox); |
void ipc_cleanup(void); |
int ipc_phone_hangup(phone_t *phone); |
extern void ipc_backsend_err(phone_t *phone, call_t *call, __native err); |
extern void ipc_print_task(task_id_t taskid); |
extern answerbox_t *ipc_phone_0; |
#endif |
#endif |
/kernel/trunk/generic/include/ipc/irq.h |
---|
0,0 → 1,81 |
/* |
* Copyright (C) 2006 Ondrej Palkovsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __IRQ_H__ |
#define __IRQ_H__ |
/** Maximum length of IPC IRQ program */ |
#define IRQ_MAX_PROG_SIZE 10 |
/** Reserved 'virtual' messages for kernel notifications */ |
#define IPC_IRQ_RESERVED_VIRTUAL 10 |
#define IPC_IRQ_KLOG (-1) |
typedef enum { |
CMD_MEM_READ_1 = 0, |
CMD_MEM_READ_2, |
CMD_MEM_READ_4, |
CMD_MEM_READ_8, |
CMD_MEM_WRITE_1, |
CMD_MEM_WRITE_2, |
CMD_MEM_WRITE_4, |
CMD_MEM_WRITE_8, |
CMD_PORT_READ_1, |
CMD_PORT_WRITE_1, |
CMD_IA64_GETCHAR, |
CMD_PPC32_GETCHAR, |
CMD_LAST |
} irq_cmd_type; |
typedef struct { |
irq_cmd_type cmd; |
void *addr; |
unsigned long long value; |
} irq_cmd_t; |
typedef struct { |
unsigned int cmdcount; |
irq_cmd_t *cmds; |
} irq_code_t; |
#ifdef KERNEL |
#include <ipc/ipc.h> |
extern void ipc_irq_make_table(int irqcount); |
extern int ipc_irq_register(answerbox_t *box, int irq, irq_code_t *ucode); |
extern void ipc_irq_send_notif(int irq); |
extern void ipc_irq_send_msg(int irq, __native a2, __native a3); |
extern void ipc_irq_unregister(answerbox_t *box, int irq); |
extern void irq_ipc_bind_arch(__native irq); |
extern void ipc_irq_cleanup(answerbox_t *box); |
#endif |
#endif |
/kernel/trunk/generic/include/ipc/sysipc.h |
---|
0,0 → 1,53 |
/* |
* Copyright (C) 2006 Ondrej Palkovsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __SYSIPC_H__ |
#define __SYSIPC_H__ |
#include <ipc/ipc.h> |
#include <ipc/irq.h> |
#include <arch/types.h> |
__native sys_ipc_call_sync_fast(__native phoneid, __native method, |
__native arg1, ipc_data_t *data); |
__native sys_ipc_call_sync(__native phoneid, ipc_data_t *question, |
ipc_data_t *reply); |
__native sys_ipc_call_async_fast(__native phoneid, __native method, |
__native arg1, __native arg2); |
__native sys_ipc_call_async(__native phoneid, ipc_data_t *data); |
__native sys_ipc_answer_fast(__native callid, __native retval, |
__native arg1, __native arg2); |
__native sys_ipc_answer(__native callid, ipc_data_t *data); |
__native sys_ipc_wait_for_call(ipc_data_t *calldata, __u32 usec, int nonblocking); |
__native sys_ipc_forward_fast(__native callid, __native phoneid, |
__native method, __native arg1); |
__native sys_ipc_hangup(int phoneid); |
__native sys_ipc_register_irq(int irq, irq_code_t *ucode); |
__native sys_ipc_unregister_irq(int irq); |
#endif |
/kernel/trunk/generic/include/ipc/ipcrsc.h |
---|
0,0 → 1,37 |
/* |
* Copyright (C) 2006 Ondrej Palkovsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __IPCRSC_H__ |
#define __IPCRSC_H__ |
call_t * get_call(__native callid); |
int phone_alloc(void); |
void phone_connect(int phoneid, answerbox_t *box); |
void phone_dealloc(int phoneid); |
#endif |
/kernel/trunk/generic/include/stackarg.h |
---|
0,0 → 1,56 |
/* |
* Copyright (C) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/* |
* Variable argument list manipulation macros |
* for architectures using stack to pass arguments. |
*/ |
#ifndef __STACKARG_H__ |
#define __STACKARG_H__ |
#include <arch/types.h> |
typedef struct va_list { |
int pos; |
__u8 *last; |
} va_list; |
#define va_start(ap, lst) \ |
(ap).pos = sizeof(lst); \ |
(ap).last = (__u8 *) &(lst) |
#define va_arg(ap, type) \ |
(*((type *)((ap).last + ((ap).pos += sizeof(type) ) - sizeof(type)))) |
#define va_copy(dst,src) dst=src |
#define va_end(ap) |
#endif |
/kernel/trunk/generic/include/proc/thread.h |
---|
0,0 → 1,178 |
/* |
* Copyright (C) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __THREAD_H__ |
#define __THREAD_H__ |
#include <arch/proc/thread.h> |
#include <synch/spinlock.h> |
#include <arch/context.h> |
#include <fpu_context.h> |
#include <arch/types.h> |
#include <typedefs.h> |
#include <time/timeout.h> |
#include <synch/rwlock.h> |
#include <synch/synch.h> |
#include <config.h> |
#include <adt/btree.h> |
#include <adt/list.h> |
#include <mm/slab.h> |
#include <proc/uarg.h> |
#define THREAD_STACK_SIZE STACK_SIZE |
enum state { |
Invalid, /**< It is an error, if thread is found in this state. */ |
Running, /**< State of a thread that is currently executing on some CPU. */ |
Sleeping, /**< Thread in this state is waiting for an event. */ |
Ready, /**< State of threads in a run queue. */ |
Entering, /**< Threads are in this state before they are first readied. */ |
Exiting, /**< After a thread calls thread_exit(), it is put into Exiting state. */ |
Undead /**< Threads that were not detached but exited are in the Undead state. */ |
}; |
extern char *thread_states[]; |
#define X_WIRED (1<<0) |
#define X_STOLEN (1<<1) |
#define THREAD_NAME_BUFLEN 20 |
/** Thread structure. There is one per thread. */ |
struct thread { |
link_t rq_link; /**< Run queue link. */ |
link_t wq_link; /**< Wait queue link. */ |
link_t th_link; /**< Links to threads within containing task. */ |
/** Lock protecting thread structure. |
* |
* Protects the whole thread structure except list links above. |
*/ |
SPINLOCK_DECLARE(lock); |
char name[THREAD_NAME_BUFLEN]; |
void (* thread_code)(void *); /**< Function implementing the thread. */ |
void *thread_arg; /**< Argument passed to thread_code() function. */ |
/** From here, the stored context is restored when the thread is scheduled. */ |
context_t saved_context; |
/** From here, the stored timeout context is restored when sleep times out. */ |
context_t sleep_timeout_context; |
/** From here, the stored interruption context is restored when sleep is interrupted. */ |
context_t sleep_interruption_context; |
bool sleep_interruptible; /**< If true, the thread can be interrupted from sleep. */ |
waitq_t *sleep_queue; /**< Wait queue in which this thread sleeps. */ |
timeout_t sleep_timeout; /**< Timeout used for timeoutable sleeping. */ |
volatile int timeout_pending; /**< Flag signalling sleep timeout in progress. */ |
/** True if this thread is executing copy_from_uspace(). False otherwise. */ |
bool in_copy_from_uspace; |
/** True if this thread is executing copy_to_uspace(). False otherwise. */ |
bool in_copy_to_uspace; |
/** |
* If true, the thread will not go to sleep at all and will |
* call thread_exit() before returning to userspace. |
*/ |
bool interrupted; |
bool detached; /**< If true, thread_join_timeout() cannot be used on this thread. */ |
waitq_t join_wq; /**< Waitq for thread_join_timeout(). */ |
fpu_context_t *saved_fpu_context; |
int fpu_context_exists; |
/* |
* Defined only if thread doesn't run. |
* It means that fpu context is in CPU that last time executes this thread. |
* This disables migration |
*/ |
int fpu_context_engaged; |
rwlock_type_t rwlock_holder_type; |
void (* call_me)(void *); /**< Funtion to be called in scheduler before the thread is put asleep. */ |
void *call_me_with; /**< Argument passed to call_me(). */ |
state_t state; /**< Thread's state. */ |
int flags; /**< Thread's flags. */ |
cpu_t *cpu; /**< Thread's CPU. */ |
task_t *task; /**< Containing task. */ |
__u64 ticks; /**< Ticks before preemption. */ |
int priority; /**< Thread's priority. Implemented as index to CPU->rq */ |
__u32 tid; /**< Thread ID. */ |
thread_arch_t arch; /**< Architecture-specific data. */ |
__u8 *kstack; /**< Thread's kernel stack. */ |
}; |
/** Thread list lock. |
* |
* This lock protects all link_t structures chained in threads_head. |
* Must be acquired before T.lock for each T of type thread_t. |
* |
*/ |
extern spinlock_t threads_lock; |
extern btree_t threads_btree; /**< B+tree containing all threads. */ |
extern void thread_init(void); |
extern thread_t *thread_create(void (* func)(void *), void *arg, task_t *task, int flags, char *name); |
extern void thread_ready(thread_t *t); |
extern void thread_exit(void) __attribute__((noreturn)); |
#ifndef thread_create_arch |
extern void thread_create_arch(thread_t *t); |
#endif |
extern void thread_sleep(__u32 sec); |
extern void thread_usleep(__u32 usec); |
#define thread_join(t) thread_join_timeout((t), SYNCH_NO_TIMEOUT, SYNCH_FLAGS_NONE) |
extern int thread_join_timeout(thread_t *t, __u32 usec, int flags); |
extern void thread_detach(thread_t *t); |
extern void thread_register_call_me(void (* call_me)(void *), void *call_me_with); |
extern void thread_print_list(void); |
extern void thread_destroy(thread_t *t); |
extern bool thread_exists(thread_t *t); |
/* Fpu context slab cache */ |
extern slab_cache_t *fpu_context_slab; |
/** Thread syscall prototypes. */ |
__native sys_thread_create(uspace_arg_t *uspace_uarg, char *uspace_name); |
__native sys_thread_exit(int uspace_status); |
#endif |
/kernel/trunk/generic/include/proc/task.h |
---|
0,0 → 1,101 |
/* |
* Copyright (C) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __TASK_H__ |
#define __TASK_H__ |
#include <typedefs.h> |
#include <synch/spinlock.h> |
#include <synch/mutex.h> |
#include <synch/futex.h> |
#include <adt/btree.h> |
#include <adt/list.h> |
#include <ipc/ipc.h> |
#include <security/cap.h> |
#include <arch/proc/task.h> |
/** Task structure. */ |
struct task { |
/** Task lock. |
* |
* Must be acquired before threads_lock and thread lock of any of its threads. |
*/ |
SPINLOCK_DECLARE(lock); |
char *name; |
thread_t *main_thread; /**< Pointer to the main thread. */ |
link_t th_head; /**< List of threads contained in this task. */ |
as_t *as; /**< Address space. */ |
task_id_t taskid; /**< Unique identity of task */ |
/** If this is true, new threads can become part of the task. */ |
bool accept_new_threads; |
count_t refcount; /**< Number of references (i.e. threads). */ |
cap_t capabilities; /**< Task capabilities. */ |
/* IPC stuff */ |
answerbox_t answerbox; /**< Communication endpoint */ |
phone_t phones[IPC_MAX_PHONES]; |
atomic_t active_calls; /**< Active asynchronous messages. |
* It is used for limiting uspace to |
* certain extent. */ |
task_arch_t arch; /**< Architecture specific task data. */ |
/** |
* Serializes access to the B+tree of task's futexes. This mutex is |
* independent on the task spinlock. |
*/ |
mutex_t futexes_lock; |
btree_t futexes; /**< B+tree of futexes referenced by this task. */ |
}; |
extern spinlock_t tasks_lock; |
extern btree_t tasks_btree; |
extern void task_init(void); |
extern task_t *task_create(as_t *as, char *name); |
extern void task_destroy(task_t *t); |
extern task_t *task_run_program(void *program_addr, char *name); |
extern task_t *task_find_by_id(task_id_t id); |
extern int task_kill(task_id_t id); |
#ifndef task_create_arch |
extern void task_create_arch(task_t *t); |
#endif |
#ifndef task_destroy_arch |
extern void task_destroy_arch(task_t *t); |
#endif |
extern __native sys_task_get_id(task_id_t *uspace_task_id); |
#endif |
/kernel/trunk/generic/include/proc/scheduler.h |
---|
0,0 → 1,64 |
/* |
* Copyright (C) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __SCHEDULER_H__ |
#define __SCHEDULER_H__ |
#include <synch/spinlock.h> |
#include <time/clock.h> /* HZ */ |
#include <typedefs.h> |
#include <atomic.h> |
#include <adt/list.h> |
#define RQ_COUNT 16 |
#define NEEDS_RELINK_MAX (HZ) |
/** Scheduler run queue structure. */ |
struct runq { |
SPINLOCK_DECLARE(lock); |
link_t rq_head; /**< List of ready threads. */ |
count_t n; /**< Number of threads in rq_ready. */ |
}; |
extern atomic_t nrdy; |
extern void scheduler_init(void); |
extern void scheduler_fpu_lazy_request(void); |
extern void scheduler(void); |
extern void kcpulb(void *arg); |
extern void sched_print_list(void); |
/* |
* To be defined by architectures: |
*/ |
extern void before_task_runs_arch(void); |
extern void before_thread_runs_arch(void); |
extern void after_thread_ran_arch(void); |
#endif |
/kernel/trunk/generic/include/proc/uarg.h |
---|
0,0 → 1,43 |
/* |
* Copyright (C) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __UARG_H__ |
#define __UARG_H__ |
/** Structure passed to uinit kernel thread as argument. */ |
typedef struct uspace_arg { |
void *uspace_entry; |
void *uspace_stack; |
void (* uspace_thread_function)(); |
void *uspace_thread_arg; |
struct uspace_arg *uspace_uarg; |
} uspace_arg_t; |
#endif |
/kernel/trunk/generic/include/interrupt.h |
---|
0,0 → 1,64 |
/* |
* Copyright (C) 2005 Ondrej Palkovsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __INTERRUPT_H__ |
#define __INTERRUPT_H__ |
#include <arch/interrupt.h> |
#include <typedefs.h> |
#include <arch/types.h> |
#include <proc/task.h> |
#include <proc/thread.h> |
#include <arch.h> |
#include <console/klog.h> |
#include <ipc/irq.h> |
#ifndef IVT_ITEMS |
# define IVT_ITEMS 0 |
#endif |
#ifndef IVT_FIRST |
# define IVT_FIRST 0 |
#endif |
#define fault_if_from_uspace(istate, cmd, ...) \ |
{ \ |
if (istate_from_uspace(istate)) { \ |
klog_printf(cmd, ##__VA_ARGS__); \ |
klog_printf("Task %lld got exception at PC:%P. Task killed.", TASK->taskid, istate_get_pc(istate)); \ |
task_kill(TASK->taskid); \ |
thread_exit(); \ |
} \ |
} |
extern iroutine exc_register(int n, const char *name, iroutine f); |
extern void exc_dispatch(int n, istate_t *t); |
void exc_init(void); |
#endif |
/kernel/trunk/generic/include/console/klog.h |
---|
0,0 → 1,35 |
/* |
* Copyright (C) 2006 Ondrej Palkovsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef _KLOG_H_ |
#define _KLOG_H_ |
void klog_init(void); |
void klog_printf(const char *fmt, ...); |
#endif |
/kernel/trunk/generic/include/console/console.h |
---|
0,0 → 1,46 |
/* |
* Copyright (C) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __CONSOLE_H__ |
#define __CONSOLE_H__ |
#include <arch/types.h> |
#include <typedefs.h> |
extern chardev_t *stdin; |
extern chardev_t *stdout; |
extern __u8 getc(chardev_t *chardev); |
__u8 _getc(chardev_t *chardev); |
extern count_t gets(chardev_t *chardev, char *buf, size_t buflen); |
extern void putchar(char c); |
extern void arch_grab_console(void); |
extern void arch_release_console(void); |
#endif /* __CHARDEV_H__ */ |
/kernel/trunk/generic/include/console/kconsole.h |
---|
0,0 → 1,75 |
/* |
* Copyright (C) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __KCONSOLE_H__ |
#define __KCONSOLE_H__ |
#include <typedefs.h> |
#include <adt/list.h> |
#include <synch/spinlock.h> |
#define MAX_CMDLINE 256 |
#define KCONSOLE_HISTORY 10 |
enum cmd_arg_type { |
ARG_TYPE_INVALID = 0, |
ARG_TYPE_INT, |
ARG_TYPE_STRING, |
ARG_TYPE_VAR /**< Variable type - either symbol or string */ |
}; |
/** Structure representing one argument of kconsole command line. */ |
struct cmd_arg { |
cmd_arg_type_t type; /**< Type descriptor. */ |
void *buffer; /**< Buffer where to store data. */ |
size_t len; /**< Size of the buffer. */ |
__native intval; /**< Integer value */ |
cmd_arg_type_t vartype; /**< Resulting type of variable arg */ |
}; |
/** Structure representing one kconsole command. */ |
struct cmd_info { |
link_t link; /**< Command list link. */ |
SPINLOCK_DECLARE(lock); /**< This lock protects everything below. */ |
const char *name; /**< Command name. */ |
const char *description; /**< Textual description. */ |
int (* func)(cmd_arg_t *); /**< Function implementing the command. */ |
count_t argc; /**< Number of arguments. */ |
cmd_arg_t *argv; /**< Argument vector. */ |
void (* help)(void); /**< Function for printing detailed help. */ |
}; |
extern spinlock_t cmd_lock; |
extern link_t cmd_head; |
extern void kconsole_init(void); |
extern void kconsole(void *prompt); |
extern int cmd_register(cmd_info_t *cmd); |
#endif |
/kernel/trunk/generic/include/console/chardev.h |
---|
0,0 → 1,68 |
/* |
* Copyright (C) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __CHARDEV_H__ |
#define __CHARDEV_H__ |
#include <typedefs.h> |
#include <arch/types.h> |
#include <synch/waitq.h> |
#include <synch/spinlock.h> |
#define CHARDEV_BUFLEN 512 |
/* Character device operations interface. */ |
struct chardev_operations { |
void (* suspend)(chardev_t *); /**< Suspend pushing characters. */ |
void (* resume)(chardev_t *); /**< Resume pushing characters. */ |
void (* write)(chardev_t *, char c); /**< Write character to stream. */ |
/** Read character directly from device, assume interrupts disabled */ |
char (* read)(chardev_t *); |
}; |
typedef struct chardev_operations chardev_operations_t; |
/** Character input device. */ |
struct chardev { |
char *name; |
waitq_t wq; |
SPINLOCK_DECLARE(lock); /**< Protects everything below. */ |
__u8 buffer[CHARDEV_BUFLEN]; |
count_t counter; |
chardev_operations_t *op; /**< Implementation of chardev operations. */ |
index_t index; |
void *data; |
}; |
extern void chardev_initialize(char *name, |
chardev_t *chardev, |
chardev_operations_t *op); |
extern void chardev_push_character(chardev_t *chardev, __u8 ch); |
#endif /* __CHARDEV_H__ */ |
/kernel/trunk/generic/include/console/cmd.h |
---|
0,0 → 1,37 |
/* |
* Copyright (C) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __CMD_H__ |
#define __CMD_H__ |
#include <typedefs.h> |
extern void cmd_initialize(cmd_info_t *cmd); |
extern void cmd_init(void); |
#endif |
/kernel/trunk/generic/include/stdarg.h |
---|
0,0 → 1,45 |
/* |
* Copyright (C) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/* |
* Variable argument list manipulation macros |
* for all architectures with compiler support for __builtin_va_*. |
*/ |
#ifndef __STDARG_H__ |
#define __STDARG_H__ |
typedef __builtin_va_list va_list; |
#define va_start(ap, last) __builtin_va_start(ap, last) |
#define va_arg(ap, type) __builtin_va_arg(ap, type) |
#define va_end(ap) __builtin_va_end(ap) |
#define va_copy(dst,src) __builtin_va_copy(dst,src) |
#endif |
/kernel/trunk/generic/include/synch/futex.h |
---|
0,0 → 1,52 |
/* |
* Copyright (C) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __FUTEX_H__ |
#define __FUTEX_H__ |
#include <arch/types.h> |
#include <typedefs.h> |
#include <synch/waitq.h> |
#include <genarch/mm/page_ht.h> |
#include <genarch/mm/page_pt.h> |
/** Kernel-side futex structure. */ |
struct futex { |
__address paddr; /**< Physical address of the status variable. */ |
waitq_t wq; /**< Wait queue for threads waiting for futex availability. */ |
link_t ht_link; /**< Futex hash table link. */ |
count_t refcount; /**< Number of tasks that reference this futex. */ |
}; |
extern void futex_init(void); |
extern __native sys_futex_sleep_timeout(__address uaddr, __u32 usec, int flags); |
extern __native sys_futex_wakeup(__address uaddr); |
extern void futex_cleanup(void); |
#endif |
/kernel/trunk/generic/include/synch/condvar.h |
---|
0,0 → 1,51 |
/* |
* Copyright (C) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __CONDVAR_H__ |
#define __CONDVAR_H__ |
#include <arch/types.h> |
#include <synch/waitq.h> |
#include <typedefs.h> |
#include <synch/synch.h> |
struct condvar { |
waitq_t wq; |
}; |
#define condvar_wait(cv,mtx) \ |
_condvar_wait_timeout((cv),(mtx),SYNCH_NO_TIMEOUT,SYNCH_FLAGS_NONE) |
#define condvar_wait_timeout(cv,mtx,usec) \ |
_condvar_wait_timeout((cv),(mtx),(usec),SYNCH_FLAGS_NONE) |
extern void condvar_initialize(condvar_t *cv); |
extern void condvar_signal(condvar_t *cv); |
extern void condvar_broadcast(condvar_t *cv); |
extern int _condvar_wait_timeout(condvar_t *cv, mutex_t *mtx, __u32 usec, int flags); |
#endif |
/kernel/trunk/generic/include/synch/rwlock.h |
---|
0,0 → 1,70 |
/* |
* Copyright (C) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __RWLOCK_H__ |
#define __RWLOCK_H__ |
#include <arch/types.h> |
#include <typedefs.h> |
#include <synch/mutex.h> |
#include <synch/synch.h> |
#include <synch/spinlock.h> |
enum rwlock_type { |
RWLOCK_NONE, |
RWLOCK_READER, |
RWLOCK_WRITER |
}; |
struct rwlock { |
SPINLOCK_DECLARE(lock); |
mutex_t exclusive; /**< Mutex for writers, readers can bypass it if readers_in is positive. */ |
count_t readers_in; /**< Number of readers in critical section. */ |
}; |
#define rwlock_write_lock(rwl) \ |
_rwlock_write_lock_timeout((rwl),SYNCH_NO_TIMEOUT,SYNCH_FLAGS_NONE) |
#define rwlock_read_lock(rwl) \ |
_rwlock_read_lock_timeout((rwl),SYNCH_NO_TIMEOUT,SYNCH_FLAGS_NONE) |
#define rwlock_write_trylock(rwl) \ |
_rwlock_write_lock_timeout((rwl),SYNCH_NO_TIMEOUT,SYNCH_FLAGS_NON_BLOCKING) |
#define rwlock_read_trylock(rwl) \ |
_rwlock_read_lock_timeout((rwl),SYNCH_NO_TIMEOUT,SYNCH_FLAGS_NON_BLOCKING) |
#define rwlock_write_lock_timeout(rwl,usec) \ |
_rwlock_write_lock_timeout((rwl),(usec),SYNCH_FLAGS_NONE) |
#define rwlock_read_lock_timeout(rwl,usec) \ |
_rwlock_read_lock_timeout((rwl),(usec),SYNCH_FLAGS_NONE) |
extern void rwlock_initialize(rwlock_t *rwl); |
extern void rwlock_read_unlock(rwlock_t *rwl); |
extern void rwlock_write_unlock(rwlock_t *rwl); |
extern int _rwlock_read_lock_timeout(rwlock_t *rwl, __u32 usec, int flags); |
extern int _rwlock_write_lock_timeout(rwlock_t *rwl, __u32 usec, int flags); |
#endif |
/kernel/trunk/generic/include/synch/mutex.h |
---|
0,0 → 1,54 |
/* |
* Copyright (C) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __MUTEX_H__ |
#define __MUTEX_H__ |
#include <arch/types.h> |
#include <typedefs.h> |
#include <synch/semaphore.h> |
#include <synch/synch.h> |
struct mutex { |
semaphore_t sem; |
}; |
#define mutex_lock(mtx) \ |
_mutex_lock_timeout((mtx),SYNCH_NO_TIMEOUT,SYNCH_FLAGS_NONE) |
#define mutex_trylock(mtx) \ |
_mutex_lock_timeout((mtx),SYNCH_NO_TIMEOUT,SYNCH_FLAGS_NON_BLOCKING) |
#define mutex_lock_timeout(mtx,usec) \ |
_mutex_lock_timeout((mtx),(usec),SYNCH_FLAGS_NON_BLOCKING) |
#define mutex_lock_active(mtx) \ |
while (mutex_trylock((mtx)) != ESYNCH_OK_ATOMIC) |
extern void mutex_initialize(mutex_t *mtx); |
extern int _mutex_lock_timeout(mutex_t *mtx, __u32 usec, int flags); |
extern void mutex_unlock(mutex_t *mtx); |
#endif |
/kernel/trunk/generic/include/synch/semaphore.h |
---|
0,0 → 1,54 |
/* |
* Copyright (C) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __SEMAPHORE_H__ |
#define __SEMAPHORE_H__ |
#include <arch/types.h> |
#include <typedefs.h> |
#include <synch/waitq.h> |
#include <synch/synch.h> |
struct semaphore |
{ |
waitq_t wq; |
}; |
#define semaphore_down(s) \ |
_semaphore_down_timeout((s),SYNCH_NO_TIMEOUT,SYNCH_FLAGS_NONE) |
#define semaphore_trydown(s) \ |
_semaphore_down_timeout((s),SYNCH_NO_TIMEOUT,SYNCH_FLAGS_NON_BLOCKING) |
#define semaphore_down_timeout(s,usec) \ |
_semaphore_down_timeout((s),(usec),SYNCH_FLAGS_NONE) |
extern void semaphore_initialize(semaphore_t *s, int val); |
extern int _semaphore_down_timeout(semaphore_t *s, __u32 usec, int flags); |
extern void semaphore_up(semaphore_t *s); |
#endif |
/kernel/trunk/generic/include/synch/synch.h |
---|
0,0 → 1,47 |
/* |
* Copyright (C) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __SYNCH_H__ |
#define __SYNCH_H__ |
#define SYNCH_NO_TIMEOUT 0 /**< Request with no timeout. */ |
#define SYNCH_FLAGS_NONE 0 /**< No flags specified. */ |
#define SYNCH_FLAGS_NON_BLOCKING (1<<0) /**< Non-blocking operation request. */ |
#define SYNCH_FLAGS_INTERRUPTIBLE (1<<1) /**< Interruptible operation. */ |
#define ESYNCH_WOULD_BLOCK 1 /**< Could not satisfy the request without going to sleep. */ |
#define ESYNCH_TIMEOUT 2 /**< Timeout occurred. */ |
#define ESYNCH_INTERRUPTED 4 /**< Sleep was interrupted. */ |
#define ESYNCH_OK_ATOMIC 8 /**< Operation succeeded without sleeping. */ |
#define ESYNCH_OK_BLOCKED 16 /**< Operation succeeded and did sleep. */ |
#define SYNCH_FAILED(rc) ((rc) & (ESYNCH_WOULD_BLOCK | ESYNCH_TIMEOUT | ESYNCH_INTERRUPTED)) |
#define SYNCH_OK(rc) ((rc) & (ESYNCH_OK_ATOMIC | ESYNCH_OK_BLOCKED)) |
#endif |
/kernel/trunk/generic/include/synch/waitq.h |
---|
0,0 → 1,66 |
/* |
* Copyright (C) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __WAITQ_H__ |
#define __WAITQ_H__ |
#include <arch/types.h> |
#include <typedefs.h> |
#include <synch/spinlock.h> |
#include <synch/synch.h> |
#include <adt/list.h> |
#define WAKEUP_FIRST 0 |
#define WAKEUP_ALL 1 |
/** Wait queue structure. */ |
struct waitq { |
/** Lock protecting wait queue structure. |
* |
* Must be acquired before T.lock for each T of type thread_t. |
*/ |
SPINLOCK_DECLARE(lock); |
int missed_wakeups; /**< Number of waitq_wakeup() calls that didn't find a thread to wake up. */ |
link_t head; /**< List of sleeping threads for wich there was no missed_wakeup. */ |
}; |
#define waitq_sleep(wq) \ |
waitq_sleep_timeout((wq),SYNCH_NO_TIMEOUT,SYNCH_FLAGS_NONE) |
extern void waitq_initialize(waitq_t *wq); |
extern int waitq_sleep_timeout(waitq_t *wq, __u32 usec, int flags); |
extern ipl_t waitq_sleep_prepare(waitq_t *wq); |
extern int waitq_sleep_timeout_unsafe(waitq_t *wq, __u32 usec, int flags); |
extern void waitq_sleep_finish(waitq_t *wq, int rc, ipl_t ipl); |
extern void waitq_wakeup(waitq_t *wq, bool all); |
extern void _waitq_wakeup_unsafe(waitq_t *wq, bool all); |
extern void waitq_interrupt_sleep(thread_t *t); |
#endif |
/kernel/trunk/generic/include/synch/spinlock.h |
---|
0,0 → 1,111 |
/* |
* Copyright (C) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __SPINLOCK_H__ |
#define __SPINLOCK_H__ |
#include <arch/types.h> |
#include <typedefs.h> |
#include <preemption.h> |
#include <atomic.h> |
#include <debug.h> |
#ifdef CONFIG_SMP |
struct spinlock { |
#ifdef CONFIG_DEBUG_SPINLOCK |
char *name; |
#endif |
atomic_t val; |
}; |
/* |
* SPINLOCK_DECLARE is to be used for dynamically allocated spinlocks, |
* where the lock gets initialized in run time. |
*/ |
#define SPINLOCK_DECLARE(slname) spinlock_t slname |
/* |
* SPINLOCK_INITIALIZE is to be used for statically allocated spinlocks. |
* It declares and initializes the lock. |
*/ |
#ifdef CONFIG_DEBUG_SPINLOCK |
#define SPINLOCK_INITIALIZE(slname) \ |
spinlock_t slname = { \ |
.name = #slname, \ |
.val = { 0 } \ |
} |
#else |
#define SPINLOCK_INITIALIZE(slname) \ |
spinlock_t slname = { \ |
.val = { 0 } \ |
} |
#endif |
extern void spinlock_initialize(spinlock_t *sl, char *name); |
extern int spinlock_trylock(spinlock_t *sl); |
extern void spinlock_lock_debug(spinlock_t *sl); |
#ifdef CONFIG_DEBUG_SPINLOCK |
# define spinlock_lock(x) spinlock_lock_debug(x) |
#else |
# define spinlock_lock(x) atomic_lock_arch(&(x)->val) |
#endif |
/** Unlock spinlock |
* |
* Unlock spinlock. |
* |
* @param sl Pointer to spinlock_t structure. |
*/ |
static inline void spinlock_unlock(spinlock_t *sl) |
{ |
ASSERT(atomic_get(&sl->val) != 0); |
/* |
* Prevent critical section code from bleeding out this way down. |
*/ |
CS_LEAVE_BARRIER(); |
atomic_set(&sl->val,0); |
preemption_enable(); |
} |
#else |
/* On UP systems, spinlocks are effectively left out. */ |
#define SPINLOCK_DECLARE(name) |
#define SPINLOCK_INITIALIZE(name) |
#define spinlock_initialize(x,name) |
#define spinlock_lock(x) preemption_disable() |
#define spinlock_trylock(x) (preemption_disable(), 1) |
#define spinlock_unlock(x) preemption_enable() |
#endif |
#endif |
/kernel/trunk/generic/include/mm/slab.h |
---|
0,0 → 1,130 |
/* |
* Copyright (C) 2006 Ondrej Palkovsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __SLAB_H__ |
#define __SLAB_H__ |
#include <adt/list.h> |
#include <synch/spinlock.h> |
#include <atomic.h> |
#include <mm/frame.h> |
/** Minimum size to be allocated by malloc */ |
#define SLAB_MIN_MALLOC_W 4 |
/** Maximum size to be allocated by malloc */ |
#define SLAB_MAX_MALLOC_W 18 |
/** Initial Magazine size (TODO: dynamically growing magazines) */ |
#define SLAB_MAG_SIZE 4 |
/** If object size is less, store control structure inside SLAB */ |
#define SLAB_INSIDE_SIZE (PAGE_SIZE >> 3) |
/** Maximum wasted space we allow for cache */ |
#define SLAB_MAX_BADNESS(cache) ((PAGE_SIZE << (cache)->order) >> 2) |
/* slab_reclaim constants */ |
#define SLAB_RECLAIM_ALL 0x1 /**< Reclaim all possible memory, because |
* we are in memory stress */ |
/* cache_create flags */ |
#define SLAB_CACHE_NOMAGAZINE 0x1 /**< Do not use per-cpu cache */ |
#define SLAB_CACHE_SLINSIDE 0x2 /**< Have control structure inside SLAB */ |
/** We add magazine cache later, if we have this flag */ |
#define SLAB_CACHE_MAGDEFERRED (0x4 | SLAB_CACHE_NOMAGAZINE) |
typedef struct { |
link_t link; |
count_t busy; /**< Count of full slots in magazine */ |
count_t size; /**< Number of slots in magazine */ |
void *objs[0]; /**< Slots in magazine */ |
}slab_magazine_t; |
typedef struct { |
slab_magazine_t *current; |
slab_magazine_t *last; |
SPINLOCK_DECLARE(lock); |
}slab_mag_cache_t; |
typedef struct { |
char *name; |
link_t link; |
/* Configuration */ |
size_t size; /**< Size of slab position - align_up(sizeof(obj)) */ |
int (*constructor)(void *obj, int kmflag); |
int (*destructor)(void *obj); |
int flags; /**< Flags changing behaviour of cache */ |
/* Computed values */ |
__u8 order; /**< Order of frames to be allocated */ |
int objects; /**< Number of objects that fit in */ |
/* Statistics */ |
atomic_t allocated_slabs; |
atomic_t allocated_objs; |
atomic_t cached_objs; |
atomic_t magazine_counter; /**< How many magazines in magazines list */ |
/* Slabs */ |
link_t full_slabs; /**< List of full slabs */ |
link_t partial_slabs; /**< List of partial slabs */ |
SPINLOCK_DECLARE(slablock); |
/* Magazines */ |
link_t magazines; /**< List o full magazines */ |
SPINLOCK_DECLARE(maglock); |
/** CPU cache */ |
slab_mag_cache_t *mag_cache; |
}slab_cache_t; |
extern slab_cache_t * slab_cache_create(char *name, |
size_t size, |
size_t align, |
int (*constructor)(void *obj, int kmflag), |
int (*destructor)(void *obj), |
int flags); |
extern void slab_cache_destroy(slab_cache_t *cache); |
extern void * slab_alloc(slab_cache_t *cache, int flags); |
extern void slab_free(slab_cache_t *cache, void *obj); |
extern count_t slab_reclaim(int flags); |
/** Initialize slab subsytem */ |
extern void slab_cache_init(void); |
extern void slab_enable_cpucache(void); |
/* kconsole debug */ |
extern void slab_print_list(void); |
/* malloc support */ |
extern void * malloc(unsigned int size, int flags); |
extern void free(void *obj); |
#endif |
/kernel/trunk/generic/include/mm/page.h |
---|
0,0 → 1,92 |
/* |
* Copyright (C) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __PAGE_H__ |
#define __PAGE_H__ |
#include <arch/mm/asid.h> |
#include <arch/types.h> |
#include <typedefs.h> |
#include <memstr.h> |
#define PAGE_CACHEABLE_SHIFT 0 |
#define PAGE_NOT_CACHEABLE_SHIFT PAGE_CACHEABLE_SHIFT |
#define PAGE_PRESENT_SHIFT 1 |
#define PAGE_NOT_PRESENT_SHIFT PAGE_PRESENT_SHIFT |
#define PAGE_USER_SHIFT 2 |
#define PAGE_KERNEL_SHIFT PAGE_USER_SHIFT |
#define PAGE_READ_SHIFT 3 |
#define PAGE_WRITE_SHIFT 4 |
#define PAGE_EXEC_SHIFT 5 |
#define PAGE_GLOBAL_SHIFT 6 |
#define PAGE_NOT_CACHEABLE (0<<PAGE_CACHEABLE_SHIFT) |
#define PAGE_CACHEABLE (1<<PAGE_CACHEABLE_SHIFT) |
#define PAGE_PRESENT (0<<PAGE_PRESENT_SHIFT) |
#define PAGE_NOT_PRESENT (1<<PAGE_PRESENT_SHIFT) |
#define PAGE_USER (1<<PAGE_USER_SHIFT) |
#define PAGE_KERNEL (0<<PAGE_USER_SHIFT) |
#define PAGE_READ (1<<PAGE_READ_SHIFT) |
#define PAGE_WRITE (1<<PAGE_WRITE_SHIFT) |
#define PAGE_EXEC (1<<PAGE_EXEC_SHIFT) |
#define PAGE_GLOBAL (1<<PAGE_GLOBAL_SHIFT) |
/** Page fault access type. */ |
enum pf_access { |
PF_ACCESS_READ, |
PF_ACCESS_WRITE, |
PF_ACCESS_EXEC |
}; |
typedef enum pf_access pf_access_t; |
/** Operations to manipulate page mappings. */ |
struct page_mapping_operations { |
void (* mapping_insert)(as_t *as, __address page, __address frame, int flags); |
void (* mapping_remove)(as_t *as, __address page); |
pte_t *(* mapping_find)(as_t *as, __address page); |
}; |
typedef struct page_mapping_operations page_mapping_operations_t; |
extern page_mapping_operations_t *page_mapping_operations; |
extern void page_init(void); |
extern void page_table_lock(as_t *as, bool lock); |
extern void page_table_unlock(as_t *as, bool unlock); |
extern void page_mapping_insert(as_t *as, __address page, __address frame, int flags); |
extern void page_mapping_remove(as_t *as, __address page); |
extern pte_t *page_mapping_find(as_t *as, __address page); |
extern pte_t *page_table_create(int flags); |
extern void page_table_destroy(pte_t *page_table); |
extern void map_structure(__address s, size_t size); |
extern __address hw_map(__address physaddr, size_t size); |
#endif |
/kernel/trunk/generic/include/mm/as.h |
---|
0,0 → 1,201 |
/* |
* Copyright (C) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __AS_H__ |
#define __AS_H__ |
/** Address space area flags. */ |
#define AS_AREA_READ 1 |
#define AS_AREA_WRITE 2 |
#define AS_AREA_EXEC 4 |
#define AS_AREA_CACHEABLE 8 |
#ifdef KERNEL |
#include <arch/mm/page.h> |
#include <arch/mm/as.h> |
#include <arch/mm/asid.h> |
#include <arch/types.h> |
#include <typedefs.h> |
#include <synch/spinlock.h> |
#include <synch/mutex.h> |
#include <adt/list.h> |
#include <adt/btree.h> |
#include <elf.h> |
/** Defined to be true if user address space and kernel address space shadow each other. */ |
#define KERNEL_ADDRESS_SPACE_SHADOWED KERNEL_ADDRESS_SPACE_SHADOWED_ARCH |
#define KERNEL_ADDRESS_SPACE_START KERNEL_ADDRESS_SPACE_START_ARCH |
#define KERNEL_ADDRESS_SPACE_END KERNEL_ADDRESS_SPACE_END_ARCH |
#define USER_ADDRESS_SPACE_START USER_ADDRESS_SPACE_START_ARCH |
#define USER_ADDRESS_SPACE_END USER_ADDRESS_SPACE_END_ARCH |
#define IS_KA(addr) ((addr)>=KERNEL_ADDRESS_SPACE_START && (addr)<=KERNEL_ADDRESS_SPACE_END) |
#define USTACK_ADDRESS USTACK_ADDRESS_ARCH |
#define FLAG_AS_KERNEL (1 << 0) /**< Kernel address space. */ |
/** Address space structure. |
* |
* as_t contains the list of as_areas of userspace accessible |
* pages for one or more tasks. Ranges of kernel memory pages are not |
* supposed to figure in the list as they are shared by all tasks and |
* set up during system initialization. |
*/ |
struct as { |
/** Protected by asidlock. */ |
link_t inactive_as_with_asid_link; |
mutex_t lock; |
/** Number of references (i.e tasks that reference this as). */ |
count_t refcount; |
/** Number of processors on wich is this address space active. */ |
count_t cpu_refcount; |
/** B+tree of address space areas. */ |
btree_t as_area_btree; |
/** Page table pointer. Constant on architectures that use global page hash table. */ |
pte_t *page_table; |
/** Address space identifier. Constant on architectures that do not support ASIDs.*/ |
asid_t asid; |
}; |
struct as_operations { |
pte_t *(* page_table_create)(int flags); |
void (* page_table_destroy)(pte_t *page_table); |
void (* page_table_lock)(as_t *as, bool lock); |
void (* page_table_unlock)(as_t *as, bool unlock); |
}; |
typedef struct as_operations as_operations_t; |
/** Address space area attributes. */ |
#define AS_AREA_ATTR_NONE 0 |
#define AS_AREA_ATTR_PARTIAL 1 /**< Not fully initialized area. */ |
#define AS_PF_FAULT 0 /**< The page fault was not resolved by as_page_fault(). */ |
#define AS_PF_OK 1 /**< The page fault was resolved by as_page_fault(). */ |
#define AS_PF_DEFER 2 /**< The page fault was caused by memcpy_from_uspace() |
or memcpy_to_uspace(). */ |
/** This structure contains information associated with the shared address space area. */ |
typedef struct { |
mutex_t lock; /**< This lock must be acquired only when the as_area lock is held. */ |
count_t refcount; /**< This structure can be deallocated if refcount drops to 0. */ |
btree_t pagemap; /**< B+tree containing complete map of anonymous pages of the shared area. */ |
} share_info_t; |
/** Address space area backend structure. */ |
typedef struct { |
int (* page_fault)(as_area_t *area, __address addr, pf_access_t access); |
void (* frame_free)(as_area_t *area, __address page, __address frame); |
void (* share)(as_area_t *area); |
} mem_backend_t; |
/** Backend data stored in address space area. */ |
typedef union { |
struct { /**< elf_backend members */ |
elf_header_t *elf; |
elf_segment_header_t *segment; |
}; |
struct { /**< phys_backend members */ |
__address base; |
count_t frames; |
}; |
} mem_backend_data_t; |
/** Address space area structure. |
* |
* Each as_area_t structure describes one contiguous area of virtual memory. |
* In the future, it should not be difficult to support shared areas. |
*/ |
struct as_area { |
mutex_t lock; |
as_t *as; /**< Containing address space. */ |
int flags; /**< Flags related to the memory represented by the address space area. */ |
int attributes; /**< Attributes related to the address space area itself. */ |
count_t pages; /**< Size of this area in multiples of PAGE_SIZE. */ |
__address base; /**< Base address of this area. */ |
btree_t used_space; /**< Map of used space. */ |
share_info_t *sh_info; /**< If the address space area has been shared, this pointer will |
reference the share info structure. */ |
mem_backend_t *backend; /**< Memory backend backing this address space area. */ |
/** Data to be used by the backend. */ |
mem_backend_data_t backend_data; |
}; |
extern as_t *AS_KERNEL; |
extern as_operations_t *as_operations; |
extern spinlock_t inactive_as_with_asid_lock; |
extern link_t inactive_as_with_asid_head; |
extern void as_init(void); |
extern as_t *as_create(int flags); |
extern void as_destroy(as_t *as); |
extern void as_switch(as_t *old, as_t *new); |
extern int as_page_fault(__address page, pf_access_t access, istate_t *istate); |
extern as_area_t *as_area_create(as_t *as, int flags, size_t size, __address base, int attrs, |
mem_backend_t *backend, mem_backend_data_t *backend_data); |
extern int as_area_destroy(as_t *as, __address address); |
extern int as_area_resize(as_t *as, __address address, size_t size, int flags); |
int as_area_share(as_t *src_as, __address src_base, size_t acc_size, |
as_t *dst_as, __address dst_base, int dst_flags_mask); |
extern int as_area_get_flags(as_area_t *area); |
extern bool as_area_check_access(as_area_t *area, pf_access_t access); |
extern size_t as_get_size(__address base); |
extern int used_space_insert(as_area_t *a, __address page, count_t count); |
extern int used_space_remove(as_area_t *a, __address page, count_t count); |
/* Interface to be implemented by architectures. */ |
#ifndef as_install_arch |
extern void as_install_arch(as_t *as); |
#endif /* !def as_install_arch */ |
/* Backend declarations. */ |
extern mem_backend_t anon_backend; |
extern mem_backend_t elf_backend; |
extern mem_backend_t phys_backend; |
/* Address space area related syscalls. */ |
extern __native sys_as_area_create(__address address, size_t size, int flags); |
extern __native sys_as_area_resize(__address address, size_t size, int flags); |
extern __native sys_as_area_destroy(__address address); |
#endif /* KERNEL */ |
#endif |
/kernel/trunk/generic/include/mm/frame.h |
---|
0,0 → 1,109 |
/* |
* Copyright (C) 2005 Jakub Jermar |
* Copyright (C) 2005 Sergey Bondari |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __FRAME_H__ |
#define __FRAME_H__ |
#include <arch/types.h> |
#include <typedefs.h> |
#include <adt/list.h> |
#include <synch/spinlock.h> |
#include <mm/buddy.h> |
#include <arch/mm/page.h> |
#include <arch/mm/frame.h> |
#define ONE_FRAME 0 |
#define TWO_FRAMES 1 |
#ifdef ARCH_STACK_FRAMES |
#define STACK_FRAMES ARCH_STACK_FRAMES |
#else |
#define STACK_FRAMES ONE_FRAME |
#endif |
#define ZONES_MAX 16 /**< Maximum number of zones in system */ |
#define ZONE_JOIN 0x1 /**< If possible, merge with neighbouring zones */ |
#define FRAME_KA 0x1 /* skip frames conflicting with user address space */ |
#define FRAME_PANIC 0x2 /* panic on failure */ |
#define FRAME_ATOMIC 0x4 /* do not panic and do not sleep on failure */ |
#define FRAME_NO_RECLAIM 0x8 /* do not start reclaiming when no free memory */ |
#define FRAME_OK 0 /* frame_alloc return status */ |
#define FRAME_NO_MEMORY 1 /* frame_alloc return status */ |
#define FRAME_ERROR 2 /* frame_alloc return status */ |
static inline __address PFN2ADDR(pfn_t frame) |
{ |
return (__address)(frame << FRAME_WIDTH); |
} |
static inline pfn_t ADDR2PFN(__address addr) |
{ |
return (pfn_t)(addr >> FRAME_WIDTH); |
} |
static inline count_t SIZE2FRAMES(size_t size) |
{ |
if (!size) |
return 0; |
return (count_t)((size-1) >> FRAME_WIDTH)+1; |
} |
#define IS_BUDDY_ORDER_OK(index, order) ((~(((__native) -1) << (order)) & (index)) == 0) |
#define IS_BUDDY_LEFT_BLOCK(zone, frame) (((frame_index((zone), (frame)) >> (frame)->buddy_order) & 0x1) == 0) |
#define IS_BUDDY_RIGHT_BLOCK(zone, frame) (((frame_index((zone), (frame)) >> (frame)->buddy_order) & 0x1) == 1) |
#define IS_BUDDY_LEFT_BLOCK_ABS(zone, frame) (((frame_index_abs((zone), (frame)) >> (frame)->buddy_order) & 0x1) == 0) |
#define IS_BUDDY_RIGHT_BLOCK_ABS(zone, frame) (((frame_index_abs((zone), (frame)) >> (frame)->buddy_order) & 0x1) == 1) |
#define frame_alloc(order, flags) frame_alloc_generic(order, flags, NULL, NULL) |
#define frame_alloc_rc(order, flags, status) frame_alloc_generic(order, flags, status, NULL) |
#define frame_alloc_rc_zone(order, flags, status, zone) frame_alloc_generic(order, flags, status, zone) |
extern void frame_init(void); |
extern pfn_t frame_alloc_generic(__u8 order, int flags, int * status, int *pzone); |
extern void frame_free(pfn_t pfn); |
extern void frame_reference_add(pfn_t pfn); |
extern int zone_create(pfn_t start, count_t count, pfn_t confframe, int flags); |
void * frame_get_parent(pfn_t frame, int hint); |
void frame_set_parent(pfn_t frame, void *data, int hint); |
void frame_mark_unavailable(pfn_t start, count_t count); |
__address zone_conf_size(count_t count); |
void zone_merge(int z1, int z2); |
void zone_merge_all(void); |
/* |
* Console functions |
*/ |
extern void zone_print_list(void); |
void zone_print_one(int znum); |
#endif |
/kernel/trunk/generic/include/mm/buddy.h |
---|
0,0 → 1,68 |
/* |
* Copyright (C) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __BUDDY_H__ |
#define __BUDDY_H__ |
#include <arch/types.h> |
#include <typedefs.h> |
#define BUDDY_SYSTEM_INNER_BLOCK 0xff |
/** Buddy system operations to be implemented by each implementation. */ |
struct buddy_system_operations { |
link_t *(* find_buddy)(buddy_system_t *, link_t *); /**< Return pointer to left-side or right-side buddy for block passed as argument. */ |
link_t *(* bisect)(buddy_system_t *, link_t *); /**< Bisect the block passed as argument and return pointer to the new right-side buddy. */ |
link_t *(* coalesce)(buddy_system_t *, link_t *, link_t *); /**< Coalesce two buddies into a bigger block. */ |
void (*set_order)(buddy_system_t *, link_t *, __u8); /**< Set order of block passed as argument. */ |
__u8 (*get_order)(buddy_system_t *, link_t *); /**< Return order of block passed as argument. */ |
void (*mark_busy)(buddy_system_t *, link_t *); /**< Mark block as busy. */ |
void (*mark_available)(buddy_system_t *, link_t *); /**< Mark block as available. */ |
/** Find parent of block that has given order */ |
link_t *(* find_block)(buddy_system_t *, link_t *, __u8); |
void (* print_id)(buddy_system_t *, link_t *); |
}; |
struct buddy_system { |
__u8 max_order; /**< Maximal order of block which can be stored by buddy system. */ |
link_t *order; |
buddy_system_operations_t *op; |
void *data; /**< Pointer to be used by the implementation. */ |
}; |
extern void buddy_system_create(buddy_system_t *b, |
__u8 max_order, |
buddy_system_operations_t *op, void *data); |
extern link_t *buddy_system_alloc(buddy_system_t *b, __u8 i); |
extern bool buddy_system_can_alloc(buddy_system_t *b, __u8 order); |
extern void buddy_system_free(buddy_system_t *b, link_t *block); |
extern void buddy_system_structure_print(buddy_system_t *b, size_t elem_size); |
extern size_t buddy_conf_size(int max_order); |
extern link_t *buddy_system_alloc_block(buddy_system_t *b, link_t *block); |
#endif |
/kernel/trunk/generic/include/mm/tlb.h |
---|
0,0 → 1,81 |
/* |
* Copyright (C) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __TLB_H__ |
#define __TLB_H__ |
#include <arch/mm/asid.h> |
#include <arch/types.h> |
#include <typedefs.h> |
/** |
* Number of TLB shootdown messages that can be queued in processor |
* tlb_messages queue. |
*/ |
#define TLB_MESSAGE_QUEUE_LEN 10 |
/** Type of TLB shootdown message. */ |
enum tlb_invalidate_type { |
TLB_INVL_INVALID = 0, /**< Invalid type. */ |
TLB_INVL_ALL, /**< Invalidate all entries in TLB. */ |
TLB_INVL_ASID, /**< Invalidate all entries belonging to one address space. */ |
TLB_INVL_PAGES /**< Invalidate specified page range belonging to one address space. */ |
}; |
typedef enum tlb_invalidate_type tlb_invalidate_type_t; |
/** TLB shootdown message. */ |
struct tlb_shootdown_msg { |
tlb_invalidate_type_t type; /**< Message type. */ |
asid_t asid; /**< Address space identifier. */ |
__address page; /**< Page address. */ |
count_t count; /**< Number of pages to invalidate. */ |
}; |
typedef struct tlb_shootdown_msg tlb_shootdown_msg_t; |
extern void tlb_init(void); |
#ifdef CONFIG_SMP |
extern void tlb_shootdown_start(tlb_invalidate_type_t type, asid_t asid, __address page, count_t count); |
extern void tlb_shootdown_finalize(void); |
extern void tlb_shootdown_ipi_recv(void); |
#else |
# define tlb_shootdown_start(w, x, y, z) |
# define tlb_shootdown_finalize() |
# define tlb_shootdown_ipi_recv() |
#endif /* CONFIG_SMP */ |
/* Export TLB interface that each architecture must implement. */ |
extern void tlb_arch_init(void); |
extern void tlb_print(void); |
extern void tlb_shootdown_ipi_send(void); |
extern void tlb_invalidate_all(void); |
extern void tlb_invalidate_asid(asid_t asid); |
extern void tlb_invalidate_pages(asid_t asid, __address page, count_t cnt); |
#endif |
/kernel/trunk/generic/include/mm/asid.h |
---|
0,0 → 1,79 |
/* |
* Copyright (C) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/* |
* This is generic interface for managing |
* Address Space IDentifiers (ASIDs). |
*/ |
#ifndef __ASID_H__ |
#define __ASID_H__ |
#ifndef __ASM__ |
#include <arch/mm/asid.h> |
#include <typedefs.h> |
#endif |
#define ASID_KERNEL 0 |
#define ASID_INVALID 1 |
#define ASID_START 2 |
#define ASID_MAX ASID_MAX_ARCH |
#ifndef __ASM__ |
#define ASIDS_ALLOCABLE ((ASID_MAX+1)-ASID_START) |
extern spinlock_t asidlock; |
extern link_t as_with_asid_head; |
#ifndef asid_get |
extern asid_t asid_get(void); |
#endif /* !def asid_get */ |
#ifndef asid_put |
extern void asid_put(asid_t asid); |
#endif /* !def asid_put */ |
#ifndef asid_install |
extern void asid_install(as_t *as); |
#endif /* !def asid_install */ |
#ifndef asid_find_free |
extern asid_t asid_find_free(void); |
#endif /* !def asid_find_free */ |
#ifndef asid_put_arch |
extern void asid_put_arch(asid_t asid); |
#endif /* !def asid_put_arch */ |
#endif |
#endif |
/kernel/trunk/generic/include/errno.h |
---|
0,0 → 1,51 |
/* |
* Copyright (C) 2005 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __ERRNO_H__ |
#define __ERRNO_H__ |
/* 1-255 are kernel error codes, 256-512 are user error codes */ |
#define ENOENT -1 /* No such entry */ |
#define ENOMEM -2 /* Not enough memory */ |
#define ELIMIT -3 /* Limit exceeded */ |
#define EREFUSED -4 /* Connection refused */ |
#define EFORWARD -5 /* Forward error */ |
#define EPERM -6 /* Permission denied */ |
#define EHANGUP -7 /* Answerbox closed connection, call sys_ipc_hangup |
* to close the connection. Used by answerbox |
* to close the connection. */ |
#define EEXISTS -8 /* Entry already exists */ |
#define EBADMEM -9 /* Bad memory pointer */ |
#define ENOTSUP -10 /* Not supported */ |
#define EADDRNOTAVAIL -11 /* Address not available. */ |
#define ETIMEOUT -12 /* Timeout expired */ |
#define EINVAL -13 /* Invalid value */ |
#define EBUSY -14 /* Resource is busy */ |
#endif |
/kernel/trunk/generic/include/ddi/ddi.h |
---|
0,0 → 1,46 |
/* |
* Copyright (C) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __DDI_H__ |
#define __DDI_H__ |
#include <ddi/ddi_arg.h> |
#include <arch/types.h> |
#include <typedefs.h> |
__native sys_physmem_map(__native phys_base, __native virt_base, __native pages, |
__native flags); |
extern __native sys_iospace_enable(ddi_ioarg_t *uspace_io_arg); |
extern __native sys_preempt_control(int enable); |
/* |
* Interface to be implemented by all architectures. |
*/ |
extern int ddi_iospace_enable_arch(task_t *task, __address ioaddr, size_t size); |
#endif |
/kernel/trunk/generic/include/ddi/ddi_arg.h |
---|
0,0 → 1,48 |
/* |
* Copyright (C) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __DDI_ARG_H__ |
#define __DDI_ARG_H__ |
/** Structure encapsulating arguments for SYS_MAP_PHYSMEM syscall. */ |
typedef struct { |
unsigned long long task_id; /** ID of the destination task. */ |
void *phys_base; /** Physical address of starting frame. */ |
void *virt_base; /** Virtual address of starting page. */ |
unsigned long pages; /** Number of pages to map. */ |
int flags; /** Address space area flags for the mapping. */ |
} ddi_memarg_t; |
/** Structure encapsulating arguments for SYS_ENABLE_IOSPACE syscall. */ |
typedef struct { |
unsigned long long task_id; /** ID of the destination task. */ |
void *ioaddr; /** Starting I/O space address. */ |
unsigned long size; /** Number of bytes. */ |
} ddi_ioarg_t; |
#endif |
/kernel/trunk/generic/include/syscall/syscall.h |
---|
0,0 → 1,80 |
/* |
* Copyright (C) 2005 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __SYSCALL_H__ |
#define __SYSCALL_H__ |
typedef enum { |
SYS_IO = 0, |
SYS_TLS_SET = 1, /* Hardcoded in AMD64, IA32 uspace - psthread.S */ |
SYS_THREAD_CREATE, |
SYS_THREAD_EXIT, |
SYS_TASK_GET_ID, |
SYS_FUTEX_SLEEP, |
SYS_FUTEX_WAKEUP, |
SYS_AS_AREA_CREATE, |
SYS_AS_AREA_RESIZE, |
SYS_AS_AREA_DESTROY, |
SYS_IPC_CALL_SYNC_FAST, |
SYS_IPC_CALL_SYNC, |
SYS_IPC_CALL_ASYNC_FAST, |
SYS_IPC_CALL_ASYNC, |
SYS_IPC_ANSWER_FAST, |
SYS_IPC_ANSWER, |
SYS_IPC_FORWARD_FAST, |
SYS_IPC_WAIT, |
SYS_IPC_HANGUP, |
SYS_IPC_REGISTER_IRQ, |
SYS_IPC_UNREGISTER_IRQ, |
SYS_CAP_GRANT, |
SYS_CAP_REVOKE, |
SYS_MAP_PHYSMEM, |
SYS_IOSPACE_ENABLE, |
SYS_PREEMPT_CONTROL, |
SYS_SYSINFO_VALID, |
SYS_SYSINFO_VALUE, |
SYS_DEBUG_ENABLE_CONSOLE, |
SYSCALL_END |
} syscall_t; |
#ifdef KERNEL |
#include <arch/types.h> |
#include <typedefs.h> |
typedef __native (*syshandler_t)(); |
extern syshandler_t syscall_table[SYSCALL_END]; |
extern __native syscall_handler(__native a1, __native a2, __native a3, |
__native a4, __native id); |
extern __native sys_tls_set(__native addr); |
#endif |
#endif |
/kernel/trunk/generic/include/syscall/sysarg64.h |
---|
0,0 → 1,41 |
/* |
* Copyright (C) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** |
* @file sysarg64.h |
* @brief Wrapper for explicit 64-bit arguments passed to syscalls. |
*/ |
#ifndef __SYSARG64_H__ |
#define __SYSARG64_H__ |
typedef struct { |
unsigned long long value; |
} sysarg64_t; |
#endif |
/kernel/trunk/generic/include/syscall/copy.h |
---|
0,0 → 1,49 |
/* |
* Copyright (C) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __COPY_H__ |
#define __COPY_H__ |
#include <typedefs.h> |
/** Label within memcpy_from_uspace() that contains return -1. */ |
extern char memcpy_from_uspace_failover_address; |
/** Label within memcpy_to_uspace() that contains return -1. */ |
extern char memcpy_to_uspace_failover_address; |
extern int copy_from_uspace(void *dst, const void *uspace_src, size_t size); |
extern int copy_to_uspace(void *dst_uspace, const void *src, size_t size); |
/* |
* This interface must be implemented by each architecture. |
*/ |
extern int memcpy_from_uspace(void *dst, const void *uspace_src, size_t size); |
extern int memcpy_to_uspace(void *uspace_dst, const void *src, size_t size); |
#endif |
/kernel/trunk/generic/include/print.h |
---|
0,0 → 1,49 |
/* |
* Copyright (C) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __PRINT_H__ |
#define __PRINT_H__ |
#include <arch/types.h> |
#include <synch/spinlock.h> |
#include <arch/arg.h> |
/* We need this address in spinlock to avoid deadlock in deadlock detection */ |
extern spinlock_t printflock; |
#define EOF (-1) |
extern int printf(const char *fmt, ...); |
extern int sprintf(char *str, const char *fmt, ...); |
extern int snprintf(char *str, size_t size, const char *fmt, ...); |
extern int vprintf(const char *fmt, va_list ap); |
extern int vsprintf(char *str, const char *fmt, va_list ap); |
extern int vsnprintf(char *str, size_t size, const char *fmt, va_list ap); |
#endif |
/kernel/trunk/generic/include/time/clock.h |
---|
0,0 → 1,37 |
/* |
* Copyright (C) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __CLOCK_H__ |
#define __CLOCK_H__ |
#define HZ 100 |
extern void clock(void); |
extern void clock_counter_init(void); |
#endif |
/kernel/trunk/generic/include/time/timeout.h |
---|
0,0 → 1,60 |
/* |
* Copyright (C) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __TIMEOUT_H__ |
#define __TIMEOUT_H__ |
#include <arch/types.h> |
#include <typedefs.h> |
#include <synch/spinlock.h> |
#include <adt/list.h> |
#define us2ticks(us) ((__u64)(((__u32) (us)/(1000000/HZ)))) |
typedef void (* timeout_handler_t)(void *arg); |
struct timeout { |
SPINLOCK_DECLARE(lock); |
link_t link; /**< Link to the list of active timeouts on THE->cpu */ |
__u64 ticks; /**< Timeout will be activated in this amount of clock() ticks. */ |
timeout_handler_t handler; /**< Function that will be called on timeout activation. */ |
void *arg; /**< Argument to be passed to handler() function. */ |
cpu_t *cpu; /**< On which processor is this timeout registered. */ |
}; |
extern void timeout_init(void); |
extern void timeout_initialize(timeout_t *t); |
extern void timeout_reinitialize(timeout_t *t); |
extern void timeout_register(timeout_t *t, __u64 usec, timeout_handler_t f, void *arg); |
extern bool timeout_unregister(timeout_t *t); |
#endif |
/kernel/trunk/generic/include/time/delay.h |
---|
0,0 → 1,36 |
/* |
* Copyright (C) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __DELAY_H__ |
#define __DELAY_H__ |
#include <arch/types.h> |
extern void delay(__u32 microseconds); |
#endif |
/kernel/trunk/generic/include/cpu.h |
---|
0,0 → 1,99 |
/* |
* Copyright (C) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __CPU_H__ |
#define __CPU_H__ |
#include <arch/cpu.h> |
#include <proc/scheduler.h> |
#include <synch/spinlock.h> |
#include <synch/waitq.h> |
#include <arch/types.h> |
#include <typedefs.h> |
#include <arch/context.h> |
#include <config.h> |
#include <adt/list.h> |
#include <mm/tlb.h> |
#define CPU_STACK_SIZE STACK_SIZE |
/** CPU structure. |
* |
* There is one structure like this for every processor. |
*/ |
struct cpu { |
SPINLOCK_DECLARE(lock); |
tlb_shootdown_msg_t tlb_messages[TLB_MESSAGE_QUEUE_LEN]; |
count_t tlb_messages_count; |
context_t saved_context; |
atomic_t nrdy; |
runq_t rq[RQ_COUNT]; |
volatile count_t needs_relink; |
SPINLOCK_DECLARE(timeoutlock); |
link_t timeout_active_head; |
count_t missed_clock_ticks; /**< When system clock loses a tick, it is recorded here |
so that clock() can react. This variable is |
CPU-local and can be only accessed when interrupts |
are disabled. */ |
/** |
* Processor ID assigned by kernel. |
*/ |
int id; |
int active; |
int tlb_active; |
__u16 frequency_mhz; |
__u32 delay_loop_const; |
cpu_arch_t arch; |
thread_t *fpu_owner; |
/** |
* Stack used by scheduler when there is no running thread. |
*/ |
__u8 *stack; |
}; |
extern cpu_t *cpus; |
extern void cpu_init(void); |
extern void cpu_list(void); |
extern void cpu_arch_init(void); |
extern void cpu_identify(void); |
extern void cpu_print_report(cpu_t *m); |
#endif |
/kernel/trunk/generic/include/elf.h |
---|
0,0 → 1,335 |
/* |
* Copyright (C) 2006 Sergey Bondari |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __ELF_H__ |
#define __ELF_H__ |
#include <arch/elf.h> |
#include <arch/types.h> |
#include <typedefs.h> |
/** |
* current ELF version |
*/ |
#define EV_CURRENT 1 |
/** |
* ELF types |
*/ |
#define ET_NONE 0 /* No type */ |
#define ET_REL 1 /* Relocatable file */ |
#define ET_EXEC 2 /* Executable */ |
#define ET_DYN 3 /* Shared object */ |
#define ET_CORE 4 /* Core */ |
#define ET_LOPROC 0xff00 /* Processor specific */ |
#define ET_HIPROC 0xffff /* Processor specific */ |
/** |
* ELF machine types |
*/ |
#define EM_NO 0 /* No machine */ |
#define EM_SPARC 2 /* SPARC */ |
#define EM_386 3 /* i386 */ |
#define EM_MIPS 8 /* MIPS RS3000 */ |
#define EM_MIPS_RS3_LE 10 /* MIPS RS3000 LE */ |
#define EM_PPC 20 /* PPC32 */ |
#define EM_PPC64 21 /* PPC64 */ |
#define EM_SPARCV9 43 /* SPARC64 */ |
#define EM_IA_64 50 /* IA-64 */ |
#define EM_X86_64 62 /* AMD64/EMT64 */ |
/** |
* ELF identification indexes |
*/ |
#define EI_MAG0 0 |
#define EI_MAG1 1 |
#define EI_MAG2 2 |
#define EI_MAG3 3 |
#define EI_CLASS 4 /* File class */ |
#define EI_DATA 5 /* Data encoding */ |
#define EI_VERSION 6 /* File version */ |
#define EI_OSABI 7 |
#define EI_ABIVERSION 8 |
#define EI_PAD 9 /* Start of padding bytes */ |
#define EI_NIDENT 16 /* ELF identification table size */ |
/** |
* ELF magic number |
*/ |
#define ELFMAG0 0x7f |
#define ELFMAG1 'E' |
#define ELFMAG2 'L' |
#define ELFMAG3 'F' |
/** |
* ELF file classes |
*/ |
#define ELFCLASSNONE 0 |
#define ELFCLASS32 1 |
#define ELFCLASS64 2 |
/** |
* ELF data encoding types |
*/ |
#define ELFDATANONE 0 |
#define ELFDATA2LSB 1 /* Least significant byte first (little endian) */ |
#define ELFDATA2MSB 2 /* Most signigicant byte first (big endian) */ |
/** |
* ELF error return codes |
*/ |
#define EE_OK 0 /* No error */ |
#define EE_INVALID 1 /* Invalid ELF image */ |
#define EE_MEMORY 2 /* Cannot allocate address space */ |
#define EE_INCOMPATIBLE 3 /* ELF image is not compatible with current architecture */ |
#define EE_UNSUPPORTED 4 /* Non-supported ELF (e.g. dynamic ELFs) */ |
#define EE_IRRECOVERABLE 5 |
/** |
* ELF section types |
*/ |
#define SHT_NULL 0 |
#define SHT_PROGBITS 1 |
#define SHT_SYMTAB 2 |
#define SHT_STRTAB 3 |
#define SHT_RELA 4 |
#define SHT_HASH 5 |
#define SHT_DYNAMIC 6 |
#define SHT_NOTE 7 |
#define SHT_NOBITS 8 |
#define SHT_REL 9 |
#define SHT_SHLIB 10 |
#define SHT_DYNSYM 11 |
#define SHT_LOOS 0x60000000 |
#define SHT_HIOS 0x6fffffff |
#define SHT_LOPROC 0x70000000 |
#define SHT_HIPROC 0x7fffffff |
#define SHT_LOUSER 0x80000000 |
#define SHT_HIUSER 0xffffffff |
/** |
* ELF section flags |
*/ |
#define SHF_WRITE 0x1 |
#define SHF_ALLOC 0x2 |
#define SHF_EXECINSTR 0x4 |
#define SHF_MASKPROC 0xf0000000 |
/** |
* Symbol binding |
*/ |
#define STB_LOCAL 0 |
#define STB_GLOBAL 1 |
#define STB_WEAK 2 |
#define STB_LOPROC 13 |
#define STB_HIPROC 15 |
/** |
* Symbol types |
*/ |
#define STT_NOTYPE 0 |
#define STT_OBJECT 1 |
#define STT_FUNC 2 |
#define STT_SECTION 3 |
#define STT_FILE 4 |
#define STT_LOPROC 13 |
#define STT_HIPROC 15 |
/** |
* Program segment types |
*/ |
#define PT_NULL 0 |
#define PT_LOAD 1 |
#define PT_DYNAMIC 2 |
#define PT_INTERP 3 |
#define PT_NOTE 4 |
#define PT_SHLIB 5 |
#define PT_PHDR 6 |
#define PT_LOPROC 0x70000000 |
#define PT_HIPROC 0x7fffffff |
/** |
* Program segment attributes. |
*/ |
#define PF_X 1 |
#define PF_W 2 |
#define PF_R 4 |
/** |
* ELF data types |
* |
* These types are found to be identical in both 32-bit and 64-bit |
* ELF object file specifications. They are the only types used |
* in ELF header. |
*/ |
typedef __u64 elf_xword; |
typedef __s64 elf_sxword; |
typedef __u32 elf_word; |
typedef __s32 elf_sword; |
typedef __u16 elf_half; |
/** |
* 32-bit ELF data types. |
* |
* These types are specific for 32-bit format. |
*/ |
typedef __u32 elf32_addr; |
typedef __u32 elf32_off; |
/** |
* 64-bit ELF data types. |
* |
* These types are specific for 64-bit format. |
*/ |
typedef __u64 elf64_addr; |
typedef __u64 elf64_off; |
/** ELF header */ |
struct elf32_header { |
__u8 e_ident[EI_NIDENT]; |
elf_half e_type; |
elf_half e_machine; |
elf_word e_version; |
elf32_addr e_entry; |
elf32_off e_phoff; |
elf32_off e_shoff; |
elf_word e_flags; |
elf_half e_ehsize; |
elf_half e_phentsize; |
elf_half e_phnum; |
elf_half e_shentsize; |
elf_half e_shnum; |
elf_half e_shstrndx; |
}; |
struct elf64_header { |
__u8 e_ident[EI_NIDENT]; |
elf_half e_type; |
elf_half e_machine; |
elf_word e_version; |
elf64_addr e_entry; |
elf64_off e_phoff; |
elf64_off e_shoff; |
elf_word e_flags; |
elf_half e_ehsize; |
elf_half e_phentsize; |
elf_half e_phnum; |
elf_half e_shentsize; |
elf_half e_shnum; |
elf_half e_shstrndx; |
}; |
/* |
* ELF segment header. |
* Segments headers are also known as program headers. |
*/ |
struct elf32_segment_header { |
elf_word p_type; |
elf32_off p_offset; |
elf32_addr p_vaddr; |
elf32_addr p_paddr; |
elf_word p_filesz; |
elf_word p_memsz; |
elf_word p_flags; |
elf_word p_align; |
}; |
struct elf64_segment_header { |
elf_word p_type; |
elf_word p_flags; |
elf64_off p_offset; |
elf64_addr p_vaddr; |
elf64_addr p_paddr; |
elf_xword p_filesz; |
elf_xword p_memsz; |
elf_xword p_align; |
}; |
/* |
* ELF section header |
*/ |
struct elf32_section_header { |
elf_word sh_name; |
elf_word sh_type; |
elf_word sh_flags; |
elf32_addr sh_addr; |
elf32_off sh_offset; |
elf_word sh_size; |
elf_word sh_link; |
elf_word sh_info; |
elf_word sh_addralign; |
elf_word sh_entsize; |
}; |
struct elf64_section_header { |
elf_word sh_name; |
elf_word sh_type; |
elf_xword sh_flags; |
elf64_addr sh_addr; |
elf64_off sh_offset; |
elf_xword sh_size; |
elf_word sh_link; |
elf_word sh_info; |
elf_xword sh_addralign; |
elf_xword sh_entsize; |
}; |
/* |
* ELF symbol table entry |
*/ |
struct elf32_symbol { |
elf_word st_name; |
elf32_addr st_value; |
elf_word st_size; |
__u8 st_info; |
__u8 st_other; |
elf_half st_shndx; |
}; |
struct elf64_symbol { |
elf_word st_name; |
__u8 st_info; |
__u8 st_other; |
elf_half st_shndx; |
elf64_addr st_value; |
elf_xword st_size; |
}; |
#ifdef __32_BITS__ |
typedef struct elf32_header elf_header_t; |
typedef struct elf32_segment_header elf_segment_header_t; |
typedef struct elf32_section_header elf_section_header_t; |
typedef struct elf32_symbol elf_symbol_t; |
#endif |
#ifdef __64_BITS__ |
typedef struct elf64_header elf_header_t; |
typedef struct elf64_segment_header elf_segment_header_t; |
typedef struct elf64_section_header elf_section_header_t; |
typedef struct elf64_symbol elf_symbol_t; |
#endif |
extern int elf_load(elf_header_t *header, as_t * as); |
extern char *elf_error(int rc); |
#endif |
/kernel/trunk/generic/include/typedefs.h |
---|
0,0 → 1,91 |
/* |
* Copyright (C) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __TYPEDEFS_H__ |
#define __TYPEDEFS_H__ |
#define false 0 |
#define true 1 |
typedef short bool; |
typedef unsigned long size_t; |
typedef unsigned long count_t; |
typedef unsigned long index_t; |
typedef unsigned long long task_id_t; |
typedef struct cpu_info cpu_info_t; |
typedef struct cpu cpu_t; |
typedef struct cpu_arch cpu_arch_t; |
typedef struct task task_t; |
typedef enum state state_t; |
typedef struct thread thread_t; |
typedef struct context context_t; |
typedef struct fpu_context fpu_context_t; |
typedef struct timeout timeout_t; |
typedef struct runq runq_t; |
typedef struct spinlock spinlock_t; |
typedef struct mutex mutex_t; |
typedef struct semaphore semaphore_t; |
typedef struct rwlock rwlock_t; |
typedef enum rwlock_type rwlock_type_t; |
typedef struct condvar condvar_t; |
typedef struct waitq waitq_t; |
typedef struct futex futex_t; |
typedef struct buddy_system buddy_system_t; |
typedef struct buddy_system_operations buddy_system_operations_t; |
typedef struct as_area as_area_t; |
typedef struct as as_t; |
typedef struct link link_t; |
typedef struct the the_t; |
typedef struct chardev chardev_t; |
typedef enum cmd_arg_type cmd_arg_type_t; |
typedef struct cmd_arg cmd_arg_t; |
typedef struct cmd_info cmd_info_t; |
typedef struct istate istate_t; |
typedef void (* iroutine)(int n, istate_t *istate); |
typedef struct hash_table hash_table_t; |
typedef struct hash_table_operations hash_table_operations_t; |
typedef struct btree_node btree_node_t; |
typedef struct btree btree_t; |
#endif |
/kernel/trunk/generic/include/sysinfo/sysinfo.h |
---|
0,0 → 1,85 |
/* |
* Copyright (C) 2006 Jakub Vana |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#include <arch/types.h> |
typedef union sysinfo_item_val |
{ |
__native val; |
void *fn; |
}sysinfo_item_val_t; |
typedef struct sysinfo_item |
{ |
char *name; |
union |
{ |
__native val; |
void *fn; |
}val; |
union |
{ |
struct sysinfo_item *table; |
void *fn; |
}subinfo; |
struct sysinfo_item *next; |
int val_type; |
int subinfo_type; |
}sysinfo_item_t; |
#define SYSINFO_VAL_VAL 0 |
#define SYSINFO_VAL_FUNCTION 1 |
#define SYSINFO_VAL_UNDEFINED '?' |
#define SYSINFO_SUBINFO_NONE 0 |
#define SYSINFO_SUBINFO_TABLE 1 |
#define SYSINFO_SUBINFO_FUNCTION 2 |
typedef __native (*sysinfo_val_fn_t)(sysinfo_item_t *root); |
typedef __native (*sysinfo_subinfo_fn_t)(const char *subname); |
typedef struct sysinfo_rettype |
{ |
__native val; |
__native valid; |
}sysinfo_rettype_t; |
void sysinfo_set_item_val(const char *name,sysinfo_item_t **root,__native val); |
void sysinfo_dump(sysinfo_item_t **root,int depth); |
void sysinfo_set_item_function(const char *name,sysinfo_item_t **root,sysinfo_val_fn_t fn); |
void sysinfo_set_item_undefined(const char *name,sysinfo_item_t **root); |
sysinfo_rettype_t sysinfo_get_val(const char *name,sysinfo_item_t **root); |
__native sys_sysinfo_valid(__native ptr,__native len); |
__native sys_sysinfo_value(__native ptr,__native len); |
/kernel/trunk/generic/include/config.h |
---|
0,0 → 1,66 |
/* |
* Copyright (C) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __CONFIG_H__ |
#define __CONFIG_H__ |
#include <arch/types.h> |
#include <typedefs.h> |
#include <arch/mm/page.h> |
#define STACK_SIZE PAGE_SIZE |
#define CONFIG_MEMORY_SIZE (8 * 1024 * 1024) |
#define CONFIG_INIT_TASKS 32 |
typedef struct { |
__address addr; |
size_t size; |
} init_task_t; |
typedef struct { |
count_t cnt; |
init_task_t tasks[CONFIG_INIT_TASKS]; |
} init_t; |
typedef struct { |
count_t cpu_count; |
volatile count_t cpu_active; |
__address base; |
size_t memory_size; |
size_t kernel_size; /**< Size of memory in bytes taken by kernel and stack */ |
bool mm_initialized; |
} config_t; |
extern config_t config; |
extern init_t init; |
#endif |
/kernel/trunk/generic/include/bitops.h |
---|
0,0 → 1,61 |
/* |
* Copyright (C) 2006 Ondrej Palkovsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef _BITOPS_H_ |
#define _BITOPS_H_ |
#include <typedefs.h> |
/** Return position of first non-zero bit from left (i.e. [log_2(arg)]). |
* |
* If number is zero, it returns 0 |
*/ |
static inline int fnzb32(__u32 arg) |
{ |
int n = 0; |
if (arg >> 16) { arg >>= 16;n += 16;} |
if (arg >> 8) { arg >>= 8; n += 8;} |
if (arg >> 4) { arg >>= 4; n += 4;} |
if (arg >> 2) { arg >>= 2; n+=2;} |
if (arg >> 1) { arg >>= 1; n+=1;} |
return n; |
} |
static inline int fnzb64(__u64 arg) |
{ |
int n = 0; |
if (arg >> 32) { arg >>= 32;n += 32;} |
return n + fnzb32((__u32) arg); |
} |
#define fnzb(x) fnzb32(x) |
#endif |
/kernel/trunk/generic/include/security/cap.h |
---|
0,0 → 1,84 |
/* |
* Copyright (C) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** |
* @file cap.h |
* @brief Capabilities definitions. |
* |
* Capabilities represent virtual rights that entitle their |
* holder to perform certain security sensitive tasks. |
* |
* Each task can have arbitrary combination of the capabilities |
* defined in this file. Therefore, they are required to be powers |
* of two. |
*/ |
#ifndef __CAP_H__ |
#define __CAP_H__ |
#include <syscall/sysarg64.h> |
#include <arch/types.h> |
#include <typedefs.h> |
/** |
* CAP_CAP allows its holder to grant/revoke arbitrary |
* privilege to/from other tasks. |
*/ |
#define CAP_CAP (1<<0) |
/** |
* CAP_MEM_MANAGER allows its holder to map physical memory |
* to other tasks. |
*/ |
#define CAP_MEM_MANAGER (1<<1) |
/** |
* CAP_IO_MANAGER allows its holder to access I/O space |
* to other tasks. |
*/ |
#define CAP_IO_MANAGER (1<<2) |
/** |
* CAP_PREEMPT_CONTROL allows its holder to disable/enable preemption. |
*/ |
#define CAP_PREEMPT_CONTROL (1<<3) |
/** |
* CAP_IRQ_REG entitles its holder to register IRQ handlers. |
*/ |
#define CAP_IRQ_REG (1<<4) |
typedef __u32 cap_t; |
extern void cap_set(task_t *t, cap_t caps); |
extern cap_t cap_get(task_t *t); |
extern __native sys_cap_grant(sysarg64_t *uspace_taskid_arg, cap_t caps); |
extern __native sys_cap_revoke(sysarg64_t *uspace_taskid_arg, cap_t caps); |
#endif |
/kernel/trunk/generic/include/printf/printf_core.h |
---|
0,0 → 1,46 |
/* |
* Copyright (C) 2006 Josef Cejka |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __PRINTF_CORE_H__ |
#define __PRINTF_CORE_H__ |
#include <typedefs.h> |
#include <arch/arg.h> |
/** Structure for specifying output methods for different printf clones. */ |
struct printf_spec { |
/* Output function, returns count of printed characters or EOF */ |
int (*write)(void *, size_t, void *); |
/* Support data - output stream specification, its state, locks,... */ |
void *data; |
}; |
int printf_core(const char *fmt, struct printf_spec *ps ,va_list ap); |
#endif |
/kernel/trunk/generic/include/adt/bitmap.h |
---|
0,0 → 1,47 |
/* |
* Copyright (C) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __BITMAP_H__ |
#define __BITMAP_H__ |
#include <arch/types.h> |
#include <typedefs.h> |
#define BITS2BYTES(bits) (bits ? ((((bits)-1)>>3)+1) : 0) |
typedef struct { |
__u8 *map; |
count_t bits; |
} bitmap_t; |
extern void bitmap_initialize(bitmap_t *bitmap, __u8 *map, count_t bits); |
extern void bitmap_set_range(bitmap_t *bitmap, index_t start, count_t bits); |
extern void bitmap_clear_range(bitmap_t *bitmap, index_t start, count_t bits); |
extern void bitmap_copy(bitmap_t *dst, bitmap_t *src, count_t bits); |
#endif |
/kernel/trunk/generic/include/adt/btree.h |
---|
0,0 → 1,94 |
/* |
* Copyright (C) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __BTREE_H__ |
#define __BTREE_H__ |
#include <arch/types.h> |
#include <typedefs.h> |
#include <adt/list.h> |
#define BTREE_M 5 |
#define BTREE_MAX_KEYS (BTREE_M - 1) |
typedef __u64 btree_key_t; |
/** B-tree node structure. */ |
struct btree_node { |
/** Number of keys. */ |
count_t keys; |
/** Keys. We currently support only single keys. Additional room for one extra key is provided. */ |
btree_key_t key[BTREE_MAX_KEYS + 1]; |
/** |
* Pointers to values. Sorted according to the key array. Defined only in leaf-level. |
* There is room for storing value for the extra key. |
*/ |
void *value[BTREE_MAX_KEYS + 1]; |
/** |
* Pointers to descendants of this node sorted according to the key array. |
* subtree[0] points to subtree with keys lesser than to key[0]. |
* subtree[1] points to subtree with keys greater than or equal to key[0] and lesser than key[1]. |
* ... |
* There is room for storing a subtree pointer for the extra key. |
*/ |
btree_node_t *subtree[BTREE_M + 1]; |
/** Pointer to parent node. Root node has NULL parent. */ |
btree_node_t *parent; |
/** Link connecting leaf-level nodes. Defined only when this node is a leaf. */ |
link_t leaf_link; |
/** Variables needed by btree_print(). */ |
link_t bfs_link; |
int depth; |
}; |
/** B-tree structure. */ |
struct btree { |
btree_node_t *root; /**< B-tree root node pointer. */ |
link_t leaf_head; /**< Leaf-level list head. */ |
}; |
extern void btree_init(void); |
extern void btree_create(btree_t *t); |
extern void btree_destroy(btree_t *t); |
extern void btree_insert(btree_t *t, btree_key_t key, void *value, btree_node_t *leaf_node); |
extern void btree_remove(btree_t *t, btree_key_t key, btree_node_t *leaf_node); |
extern void *btree_search(btree_t *t, btree_key_t key, btree_node_t **leaf_node); |
extern btree_node_t *btree_leaf_node_left_neighbour(btree_t *t, btree_node_t *node); |
extern btree_node_t *btree_leaf_node_right_neighbour(btree_t *t, btree_node_t *node); |
extern void btree_print(btree_t *t); |
#endif |
/kernel/trunk/generic/include/adt/fifo.h |
---|
0,0 → 1,113 |
/* |
* Copyright (C) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/* |
* This implementation of FIFO stores values in an array |
* (static or dynamic). As such, these FIFOs have upper bound |
* on number of values they can store. Push and pop operations |
* are done via accessing the array through head and tail indices. |
* Because of better operation ordering in fifo_pop(), the access |
* policy for these two indices is to 'increment (mod size of FIFO) |
* and use'. |
*/ |
#ifndef __FIFO_H__ |
#define __FIFO_H__ |
#include <typedefs.h> |
#include <mm/slab.h> |
/** Create and initialize static FIFO. |
* |
* FIFO is allocated statically. |
* This macro is suitable for creating smaller FIFOs. |
* |
* @param name Name of FIFO. |
* @param t Type of values stored in FIFO. |
* @param itms Number of items that can be stored in FIFO. |
*/ |
#define FIFO_INITIALIZE_STATIC(name, t, itms) \ |
struct { \ |
t fifo[(itms)]; \ |
count_t items; \ |
index_t head; \ |
index_t tail; \ |
} name = { \ |
.items = (itms), \ |
.head = 0, \ |
.tail = 0 \ |
} |
/** Create and prepare dynamic FIFO. |
* |
* FIFO is allocated dynamically. |
* This macro is suitable for creating larger FIFOs. |
* |
* @param name Name of FIFO. |
* @param t Type of values stored in FIFO. |
* @param itms Number of items that can be stored in FIFO. |
*/ |
#define FIFO_INITIALIZE_DYNAMIC(name, t, itms) \ |
struct { \ |
t *fifo; \ |
count_t items; \ |
index_t head; \ |
index_t tail; \ |
} name = { \ |
.fifo = NULL, \ |
.items = (itms), \ |
.head = 0, \ |
.tail = 0 \ |
} |
/** Pop value from head of FIFO. |
* |
* @param name FIFO name. |
* |
* @return Leading value in FIFO. |
*/ |
#define fifo_pop(name) \ |
name.fifo[name.head = (name.head + 1) < name.items ? (name.head + 1) : 0] |
/** Push value to tail of FIFO. |
* |
* @param name FIFO name. |
* @param value Value to be appended to FIFO. |
* |
*/ |
#define fifo_push(name, value) \ |
name.fifo[name.tail = (name.tail + 1) < name.items ? (name.tail + 1) : 0] = (value) |
/** Allocate memory for dynamic FIFO. |
* |
* @param name FIFO name. |
*/ |
#define fifo_create(name) \ |
name.fifo = malloc(sizeof(*name.fifo) * name.items, 0) |
#endif |
/kernel/trunk/generic/include/adt/hash_table.h |
---|
0,0 → 1,76 |
/* |
* Copyright (C) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __HASH_TABLE_H__ |
#define __HASH_TABLE_H__ |
#include <adt/list.h> |
#include <arch/types.h> |
#include <typedefs.h> |
/** Hash table structure. */ |
struct hash_table { |
link_t *entry; |
count_t entries; |
count_t max_keys; |
hash_table_operations_t *op; |
}; |
/** Set of operations for hash table. */ |
struct hash_table_operations { |
/** Hash function. |
* |
* @param key Array of keys needed to compute hash index. All keys must be passed. |
* |
* @return Index into hash table. |
*/ |
index_t (* hash)(__native key[]); |
/** Hash table item comparison function. |
* |
* @param key Array of keys that will be compared with item. It is not necessary to pass all keys. |
* |
* @return true if the keys match, false otherwise. |
*/ |
bool (*compare)(__native key[], count_t keys, link_t *item); |
/** Hash table item removal callback. |
* |
* @param item Item that was removed from the hash table. |
*/ |
void (*remove_callback)(link_t *item); |
}; |
#define hash_table_get_instance(item, type, member) list_get_instance((item), type, member) |
extern void hash_table_create(hash_table_t *h, count_t m, count_t max_keys, hash_table_operations_t *op); |
extern void hash_table_insert(hash_table_t *h, __native key[], link_t *item); |
extern link_t *hash_table_find(hash_table_t *h, __native key[]); |
extern void hash_table_remove(hash_table_t *h, __native key[], count_t keys); |
#endif |
/kernel/trunk/generic/include/adt/list.h |
---|
0,0 → 1,177 |
/* |
* Copyright (C) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __LIST_H__ |
#define __LIST_H__ |
#include <arch/types.h> |
#include <typedefs.h> |
/** Doubly linked list head and link type. */ |
struct link { |
link_t *prev; /**< Pointer to the previous item in the list. */ |
link_t *next; /**< Pointer to the next item in the list. */ |
}; |
/** Declare and initialize statically allocated list. |
* |
* @param name Name of the new statically allocated list. |
*/ |
#define LIST_INITIALIZE(name) link_t name = { .prev = &name, .next = &name } |
/** Initialize doubly-linked circular list link |
* |
* Initialize doubly-linked list link. |
* |
* @param link Pointer to link_t structure to be initialized. |
*/ |
static inline void link_initialize(link_t *link) |
{ |
link->prev = NULL; |
link->next = NULL; |
} |
/** Initialize doubly-linked circular list |
* |
* Initialize doubly-linked circular list. |
* |
* @param head Pointer to link_t structure representing head of the list. |
*/ |
static inline void list_initialize(link_t *head) |
{ |
head->prev = head; |
head->next = head; |
} |
/** Add item to the beginning of doubly-linked circular list |
* |
* Add item to the beginning of doubly-linked circular list. |
* |
* @param link Pointer to link_t structure to be added. |
* @param head Pointer to link_t structure representing head of the list. |
*/ |
static inline void list_prepend(link_t *link, link_t *head) |
{ |
link->next = head->next; |
link->prev = head; |
head->next->prev = link; |
head->next = link; |
} |
/** Add item to the end of doubly-linked circular list |
* |
* Add item to the end of doubly-linked circular list. |
* |
* @param link Pointer to link_t structure to be added. |
* @param head Pointer to link_t structure representing head of the list. |
*/ |
static inline void list_append(link_t *link, link_t *head) |
{ |
link->prev = head->prev; |
link->next = head; |
head->prev->next = link; |
head->prev = link; |
} |
/** Remove item from doubly-linked circular list |
* |
* Remove item from doubly-linked circular list. |
* |
* @param link Pointer to link_t structure to be removed from the list it is contained in. |
*/ |
static inline void list_remove(link_t *link) |
{ |
link->next->prev = link->prev; |
link->prev->next = link->next; |
link_initialize(link); |
} |
/** Query emptiness of doubly-linked circular list |
* |
* Query emptiness of doubly-linked circular list. |
* |
* @param head Pointer to link_t structure representing head of the list. |
*/ |
static inline bool list_empty(link_t *head) |
{ |
return head->next == head ? true : false; |
} |
/** Split or concatenate headless doubly-linked circular list |
* |
* Split or concatenate headless doubly-linked circular list. |
* |
* Note that the algorithm works both directions: |
* concatenates splitted lists and splits concatenated lists. |
* |
* @param part1 Pointer to link_t structure leading the first (half of the headless) list. |
* @param part2 Pointer to link_t structure leading the second (half of the headless) list. |
*/ |
static inline void headless_list_split_or_concat(link_t *part1, link_t *part2) |
{ |
link_t *hlp; |
part1->prev->next = part2; |
part2->prev->next = part1; |
hlp = part1->prev; |
part1->prev = part2->prev; |
part2->prev = hlp; |
} |
/** Split headless doubly-linked circular list |
* |
* Split headless doubly-linked circular list. |
* |
* @param part1 Pointer to link_t structure leading the first half of the headless list. |
* @param part2 Pointer to link_t structure leading the second half of the headless list. |
*/ |
static inline void headless_list_split(link_t *part1, link_t *part2) |
{ |
headless_list_split_or_concat(part1, part2); |
} |
/** Concatenate two headless doubly-linked circular lists |
* |
* Concatenate two headless doubly-linked circular lists. |
* |
* @param part1 Pointer to link_t structure leading the first headless list. |
* @param part2 Pointer to link_t structure leading the second headless list. |
*/ |
static inline void headless_list_concat(link_t *part1, link_t *part2) |
{ |
headless_list_split_or_concat(part1, part2); |
} |
#define list_get_instance(link,type,member) (type *)(((__u8*)(link))-((__u8*)&(((type *)NULL)->member))) |
extern bool list_member(const link_t *link, const link_t *head); |
extern void list_concat(link_t *head1, link_t *head2); |
#endif |
/kernel/trunk/generic/include/debug.h |
---|
0,0 → 1,60 |
/* |
* Copyright (C) 2005 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __DEBUG_H__ |
#define __DEBUG_H__ |
#include <panic.h> |
#include <arch/debug.h> |
#define CALLER ((__address)__builtin_return_address(0)) |
#ifndef HERE |
/** Current Instruction Pointer address */ |
# define HERE ((__address *)0) |
#endif |
/** Debugging ASSERT macro |
* |
* If CONFIG_DEBUG is set, the ASSERT() macro |
* evaluates expr and if it is false raises |
* kernel panic. |
* |
* @param expr Expression which is expected to be true. |
* |
*/ |
#ifdef CONFIG_DEBUG |
# define ASSERT(expr) if (!(expr)) { panic("assertion failed (%s), caller=%.*p\n", #expr, sizeof(__address) * 2, CALLER); } |
#else |
# define ASSERT(expr) |
#endif |
#define STRING(arg) STRING_ARG(arg) |
#define STRING_ARG(arg) #arg |
#endif |
/kernel/trunk/generic/include/arch.h |
---|
0,0 → 1,76 |
/* |
* Copyright (C) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __ARCH_H__ |
#define __ARCH_H__ |
#include <arch/types.h> |
#include <arch/arch.h> |
#include <typedefs.h> |
#include <cpu.h> |
#include <arch/cpu.h> |
#include <arch/asm.h> |
#define CPU THE->cpu |
#define THREAD THE->thread |
#define TASK THE->task |
#define AS THE->as |
#define PREEMPTION_DISABLED THE->preemption_disabled |
/** |
* For each possible kernel stack, structure |
* of the following type will be placed at |
* the base address of the stack. |
*/ |
struct the { |
count_t preemption_disabled; /**< Preemption disabled counter. */ |
thread_t *thread; /**< Current thread. */ |
task_t *task; /**< Current task. */ |
cpu_t *cpu; /**< Executing cpu. */ |
as_t *as; /**< Current address space. */ |
}; |
#define THE ((the_t *)(get_stack_base())) |
extern void the_initialize(the_t *the); |
extern void the_copy(the_t *src, the_t *dst); |
extern void arch_pre_main(void); |
extern void arch_pre_mm_init(void); |
extern void arch_post_mm_init(void); |
extern void arch_pre_smp_init(void); |
extern void arch_post_smp_init(void); |
extern void calibrate_delay_loop(void); |
extern ipl_t interrupts_disable(void); |
extern ipl_t interrupts_enable(void); |
extern void interrupts_restore(ipl_t ipl); |
extern ipl_t interrupts_read(void); |
#endif |
/kernel/trunk/generic/include/atomic.h |
---|
0,0 → 1,48 |
/* |
* Copyright (C) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __ATOMIC_H__ |
#define __ATOMIC_H__ |
typedef struct atomic { |
volatile long count; |
} atomic_t; |
#include <arch/atomic.h> |
static inline void atomic_set(atomic_t *val, long i) |
{ |
val->count = i; |
} |
static inline long atomic_get(atomic_t *val) |
{ |
return val->count; |
} |
#endif |
/kernel/trunk/generic/include/func.h |
---|
0,0 → 1,45 |
/* |
* Copyright (C) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __FUNC_H__ |
#define __FUNC_H__ |
#include <arch/types.h> |
#include <typedefs.h> |
#include <atomic.h> |
extern atomic_t haltstate; |
extern void halt(void); |
extern size_t strlen(const char *str); |
extern int strncmp(const char *src, const char *dst, size_t len); |
extern void strncpy(char *dest, const char *src, size_t len); |
extern __native atoi(const char *text); |
#endif |
/kernel/trunk/generic/include/macros.h |
---|
0,0 → 1,53 |
/* |
* Copyright (C) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __MACROS_H__ |
#define __MACROS_H__ |
#define is_digit(d) (((d) >= '0') && ((d)<='9')) |
#define is_lower(c) (((c) >= 'a') && ((c) <= 'z')) |
#define is_upper(c) (((c) >= 'A') && ((c) <= 'Z')) |
#define is_alpha(c) (is_lower(c) || is_upper(c)) |
#define is_alphanum(c) (is_alpha(c) || is_digit(c)) |
#define is_white(c) (((c) == ' ') || ((c) == '\t') || ((c) == '\n') || ((c) == '\r')) |
#define min(a,b) ((a)<(b)?(a):(b)) |
#define max(a,b) ((a)>(b)?(a):(b)) |
/** Return true if the interlvals overlap. */ |
static inline int overlaps(__address s1, size_t sz1, __address s2, size_t sz2) |
{ |
__address e1 = s1+sz1; |
__address e2 = s2+sz2; |
return s1 < e2 && s2 < e1; |
} |
/* Compute overlapping of physical addresses */ |
#define PA_overlaps(x,szx,y,szy) overlaps(KA2PA(x),szx,KA2PA(y), szy) |
#endif |
/kernel/trunk/generic/include/userspace.h |
---|
0,0 → 1,38 |
/* |
* Copyright (C) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __USERSPACE_H__ |
#define __USERSPACE_H__ |
#include <proc/thread.h> |
#include <arch/types.h> |
/** Switch to user-space (CPU user priviledge level) */ |
extern void userspace(uspace_arg_t *uarg) __attribute__ ((noreturn)); |
#endif |
/kernel/trunk/generic/include/fpu_context.h |
---|
0,0 → 1,48 |
/* |
* Copyright (C) 2005 Jakub Vana |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __FPU_CONTEXT_H__ |
#define __FPU_CONTEXT_H__ |
#include <arch/fpu_context.h> |
#include <typedefs.h> |
#if defined(CONFIG_FPU_LAZY) && !defined(ARCH_HAS_FPU) |
# error "CONFIG_FPU_LAZY defined, but no ARCH_HAS_FPU" |
#endif |
extern void fpu_context_save(fpu_context_t *); |
extern void fpu_context_restore(fpu_context_t *); |
extern void fpu_init(void); |
extern void fpu_enable(void); |
extern void fpu_disable(void); |
#endif /* __FPU_CONTEXT_H__ */ |
/kernel/trunk/generic/include/align.h |
---|
0,0 → 1,47 |
/* |
* Copyright (C) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __ALIGN_H__ |
#define __ALIGN_H__ |
/** Align to the nearest lower address. |
* |
* @param s Address or size to be aligned. |
* @param a Size of alignment, must be power of 2. |
*/ |
#define ALIGN_DOWN(s, a) ((s) & ~((a) - 1)) |
/** Align to the nearest higher address. |
* |
* @param s Address or size to be aligned. |
* @param a Size of alignment, must be power of 2. |
*/ |
#define ALIGN_UP(s, a) (((s) + ((a) - 1)) & ~((a) - 1)) |
#endif |
/kernel/trunk/generic/include/context.h |
---|
0,0 → 1,85 |
/* |
* Copyright (C) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __CONTEXT_H__ |
#define __CONTEXT_H__ |
#include <arch/types.h> |
#include <typedefs.h> |
#include <arch/context.h> |
#ifndef context_set |
#define context_set(c, _pc, stack, size) \ |
(c)->pc = (__address) (_pc); \ |
(c)->sp = ((__address) (stack)) + (size) - SP_DELTA; |
#endif /* context_set */ |
extern int context_save_arch(context_t *c); |
extern void context_restore_arch(context_t *c) __attribute__ ((noreturn)); |
/** Save register context. |
* |
* Save current register context (including stack pointers) |
* to context structure. |
* |
* Note that call to context_restore() will return at the same |
* address as the corresponding call to context_save(). |
* |
* This MUST be a macro, gcc -O0 does not inline functions even |
* if they are marked inline and context_save_arch must be called |
* from level <= that when context_restore is called. |
* |
* @param c Context structure. |
* |
* @return context_save() returns 1, context_restore() returns 0. |
*/ |
#define context_save(c) context_save_arch(c) |
/** Restore register context. |
* |
* Restore previously saved register context (including stack pointers) |
* from context structure. |
* |
* Note that this function does not normally return. |
* Instead, it returns at the same address as the |
* corresponding call to context_save(), the only |
* difference being return value. |
* |
* Note that content of any local variable defined by |
* the caller of context_save() is undefined after |
* context_restore(). |
* |
* @param c Context structure. |
*/ |
static inline void context_restore(context_t *c) |
{ |
context_restore_arch(c); |
} |
#endif |
/kernel/trunk/generic/include/main/uinit.h |
---|
0,0 → 1,36 |
/* |
* Copyright (C) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __UINIT_H__ |
#define __UINIT_H__ |
#include <arch/types.h> |
extern void uinit(void *arg); |
#endif |
/kernel/trunk/generic/include/main/version.h |
---|
0,0 → 1,34 |
/* |
* Copyright (C) 2006 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __VERSION_H__ |
#define __VERSION_H__ |
extern void version_print(void); |
#endif |
/kernel/trunk/generic/include/main/kinit.h |
---|
0,0 → 1,34 |
/* |
* Copyright (C) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __KINIT_H__ |
#define __KINIT_H__ |
extern void kinit(void *arg); |
#endif |
/kernel/trunk/generic/include/panic.h |
---|
0,0 → 1,40 |
/* |
* Copyright (C) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __PANIC_H__ |
#define __PANIC_H__ |
#ifdef CONFIG_DEBUG |
# define panic(format, ...) panic_printf("Kernel panic in %s() at %s on line %d: " format, __FUNCTION__, __FILE__, __LINE__, ##__VA_ARGS__); |
#else |
# define panic(format, ...) panic_printf("Kernel panic: " format, ##__VA_ARGS__); |
#endif |
extern void panic_printf(char *fmt, ...) __attribute__((noreturn)) ; |
#endif |
/kernel/trunk/generic/include/symtab.h |
---|
0,0 → 1,49 |
/* |
* Copyright (C) 2005 Ondrej Palkovsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __SYMTAB_H__ |
#define __SYMTAB_H__ |
#include <arch/types.h> |
#define MAX_SYMBOL_NAME 64 |
struct symtab_entry { |
__u64 address_le; |
char symbol_name[MAX_SYMBOL_NAME]; |
}; |
extern char * get_symtab_entry(__native addr); |
extern __address get_symbol_addr(const char *name); |
extern void symtab_print_search(const char *name); |
extern int symtab_compl(char *name); |
/* Symtable linked together by build process */ |
extern struct symtab_entry symbol_table[]; |
#endif |
/kernel/trunk/generic/include/sort.h |
---|
0,0 → 1,48 |
/* |
* Copyright (C) 2005 Sergey Bondari |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __SORT_H__ |
#define __SORT_H__ |
#include <arch/types.h> |
/* |
* sorting routines |
*/ |
extern void bubblesort(void * data, count_t n, size_t e_size, int (* cmp) (void * a, void * b)); |
extern void qsort(void * data, count_t n, size_t e_size, int (* cmp) (void * a, void * b)); |
/* |
* default sorting comparators |
*/ |
extern int int_cmp(void * a, void * b); |
extern int __u32_cmp(void * a, void * b); |
extern int __u16_cmp(void * a, void * b); |
extern int __u8_cmp(void * a, void * b); |
#endif |
/kernel/trunk/generic/include/smp/smp.h |
---|
0,0 → 1,38 |
/* |
* Copyright (C) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __SMP_H__ |
#define __SMP_H__ |
#ifdef CONFIG_SMP |
extern void smp_init(void); |
#else |
#define smp_init() ; |
#endif /* CONFIG_SMP */ |
#endif /* __SMP_H__ */ |
/kernel/trunk/generic/include/smp/ipi.h |
---|
0,0 → 1,39 |
/* |
* Copyright (C) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __IPI_H__ |
#define __IPI_H__ |
#ifdef CONFIG_SMP |
extern void ipi_broadcast(int ipi); |
extern void ipi_broadcast_arch(int ipi); |
#else |
#define ipi_broadcast(x) ; |
#endif /* CONFIG_SMP */ |
#endif |
/kernel/trunk/generic/include/memstr.h |
---|
0,0 → 1,43 |
/* |
* Copyright (C) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __MEMSTR_H__ |
#define __MEMSTR_H__ |
#include <typedefs.h> |
#include <arch/types.h> |
#include <arch/memstr.h> |
/* |
* Architecture independent variants. |
*/ |
extern void *_memcpy(void *dst, const void *src, size_t cnt); |
extern void _memsetb(__address dst, size_t cnt, __u8 x); |
extern void _memsetw(__address dst, size_t cnt, __u16 x); |
#endif |
/kernel/trunk/generic/include/byteorder.h |
---|
0,0 → 1,52 |
/* |
* Copyright (C) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __BYTEORDER_H__ |
#define __BYTEORDER_H__ |
static inline __u64 __u64_byteorder_swap(__u64 n) |
{ |
return ((n & 0xff) << 56) | |
((n & 0xff00) << 40) | |
((n & 0xff0000) << 24) | |
((n & 0xff000000LL) << 8) | |
((n & 0xff00000000LL) >>8) | |
((n & 0xff0000000000LL) >> 24) | |
((n & 0xff000000000000LL) >> 40) | |
((n & 0xff00000000000000LL) >> 56); |
} |
static inline __u32 __u32_byteorder_swap(__u32 n) |
{ |
return ((n & 0xff) << 24) | |
((n & 0xff00) << 8) | |
((n & 0xff0000) >> 8) | |
((n & 0xff000000) >> 24); |
} |
#endif |
/kernel/trunk/generic/include/preemption.h |
---|
0,0 → 1,35 |
/* |
* Copyright (C) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __PREEMPTION_H__ |
#define __PREEMPTION_H__ |
extern void preemption_disable(void); |
extern void preemption_enable(void); |
#endif |
/kernel/trunk/generic/include/putchar.h |
---|
0,0 → 1,34 |
/* |
* Copyright (C) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __PUTCHAR_H__ |
#define __PUTCHAR_H__ |
extern void putchar(const char ch); |
#endif |
/kernel/trunk/generic/include/test.h |
---|
0,0 → 1,34 |
/* |
* Copyright (C) 2001-2004 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#ifndef __TEST_H__ |
#define __TEST_H__ |
extern void test(void); |
#endif |