/kernel/trunk/generic/include/proc/task.h |
---|
32,6 → 32,7 |
#include <typedefs.h> |
#include <synch/spinlock.h> |
#include <adt/list.h> |
#include <ipc/ipc.h> |
/** Task structure. */ |
struct task { |
39,6 → 40,8 |
link_t th_head; /**< List of threads contained in this task. */ |
link_t tasks_link; /**< Link to other tasks within the system. */ |
as_t *as; /**< Address space. */ |
answerbox_t answerbox; /**< Communication endpoint */ |
phone_t phones[IPC_MAX_PHONES]; |
}; |
extern spinlock_t tasks_lock; |
/kernel/trunk/generic/include/mm/page.h |
---|
32,6 → 32,7 |
#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 |
59,6 → 60,18 |
#define PAGE_GLOBAL (1<<PAGE_GLOBAL_SHIFT) |
/* TODO - check that userspace is OK, platform specific functions etc */ |
static inline void copy_to_uspace(void *dst, void *src, count_t cnt) |
{ |
memcpy(dst, src, cnt); |
} |
static inline void copy_to_kernel(void *dst, void *src, count_t cnt) |
{ |
memcpy(dst, src, cnt); |
} |
/** Operations to manipulate page mappings. */ |
struct page_mapping_operations { |
void (* mapping_insert)(as_t *as, __address page, __address frame, int flags); |
/kernel/trunk/generic/include/syscall/syscall.h |
---|
29,19 → 29,24 |
#ifndef __SYSCALL_H__ |
#define __SYSCALL_H__ |
#include <typedefs.h> |
typedef enum { |
SYS_CTL = 0, |
SYS_IO = 1, |
SYS_IPC_CALL = 2, |
SYS_IPC_ANSWER = 3, |
SYS_IPC_WAIT = 4, |
SYSCALL_END |
} syscall_t; |
typedef int (*syshandler_t)(); |
#ifdef KERNEL |
extern int sys_ctl(void); |
extern int sys_io(int fd, const void *buf, size_t count); |
#include <arch/types.h> |
#include <typedefs.h> |
typedef __native (*syshandler_t)(); |
extern syshandler_t syscall_table[SYSCALL_END]; |
#endif |
#endif |
/kernel/trunk/generic/include/errno.h |
---|
0,0 → 1,34 |
/* |
* 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__ |
#define ENOENT 1 |
#endif |
/kernel/trunk/generic/include/ipc/ipc.h |
---|
0,0 → 1,91 |
/* |
* 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__ |
#define IPC_CALL_LEN 2 |
/* Flags for calls */ |
#define IPC_CALL_ANSWERED 1 |
/* Flags for ipc_wait_for_call */ |
#define IPC_WAIT_NONBLOCKING 1 |
#ifdef KERNEL |
#include <synch/waitq.h> |
#include <synch/spinlock.h> |
#include <adt/list.h> |
#define IPC_MAX_PHONES 16 |
typedef struct answerbox answerbox_t; |
typedef struct { |
link_t list; |
answerbox_t *callerbox; |
int flags; |
__native data[IPC_CALL_LEN]; |
} call_t; |
struct answerbox { |
SPINLOCK_DECLARE(lock); |
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 */ |
}; |
typedef struct { |
SPINLOCK_DECLARE(lock); |
link_t list; |
answerbox_t *callee; |
} phone_t; |
extern void ipc_create_phonecompany(void); |
extern void ipc_init(void); |
extern call_t * ipc_wait_for_call(answerbox_t *box, int flags); |
extern void ipc_answer(answerbox_t *box, call_t *request); |
extern void ipc_call(phone_t *phone, call_t *request); |
extern void ipc_phone_destroy(phone_t *phone); |
extern void ipc_phone_init(phone_t *phone, answerbox_t *box); |
extern void ipc_call_free(call_t *call); |
extern call_t * ipc_call_alloc(void); |
void ipc_answerbox_init(answerbox_t *box); |
void ipc_phone_init(phone_t *phone, answerbox_t *box); |
extern answerbox_t *ipc_central_box; |
#endif |
#endif |