/branches/tracing/uspace/lib/libc/include/stdio.h |
---|
49,7 → 49,7 |
int n; \ |
n = snprintf(buf, sizeof(buf), fmt, ##__VA_ARGS__); \ |
if (n > 0) \ |
(void) __SYSCALL3(SYS_IO, 1, (sysarg_t) buf, strlen(buf)); \ |
(void) __SYSCALL3(SYS_KLOG, 1, (sysarg_t) buf, strlen(buf)); \ |
} |
extern int getchar(void); |
/branches/tracing/uspace/lib/libc/include/task.h |
---|
40,6 → 40,7 |
typedef uint64_t task_id_t; |
extern task_id_t task_get_id(void); |
extern int task_spawn(void *image, size_t size); |
#endif |
/branches/tracing/uspace/lib/libc/include/libc.h |
---|
49,7 → 49,6 |
__syscall(p1, p2, p3, p4, p5, p6,id) |
extern void __main(void); |
extern void __io_init(void); |
extern void __exit(void); |
#endif |
/branches/tracing/uspace/lib/libc/include/io/stream.h |
---|
39,8 → 39,8 |
#define EMFILE -17 |
extern void open_stdin(void); |
extern void open_stdout(void); |
extern void open_console(void); |
extern void klog_update(void); |
extern ssize_t read_stdin(void *, size_t); |
extern ssize_t write_stdout(const void *, size_t); |
/branches/tracing/uspace/lib/libc/include/ipc/devmap.h |
---|
0,0 → 1,99 |
/* |
* Copyright (c) 2007 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. |
*/ |
/** @addtogroup devmap |
* @{ |
*/ |
#ifndef DEVMAP_DEVMAP_H_ |
#define DEVMAP_DEVMAP_H_ |
#include <ipc/ipc.h> |
#include <libadt/list.h> |
#define DEVMAP_NAME_MAXLEN 512 |
typedef enum { |
DEVMAP_DRIVER_REGISTER = IPC_FIRST_USER_METHOD, |
DEVMAP_DRIVER_UNREGISTER, |
DEVMAP_DEVICE_REGISTER, |
DEVMAP_DEVICE_UNREGISTER, |
DEVMAP_DEVICE_GET_NAME, |
DEVMAP_DEVICE_GET_HANDLE |
} devmap_request_t; |
/** Representation of device driver. |
* Each driver is responsible for a set of devices. |
*/ |
typedef struct { |
/** Pointers to previous and next drivers in linked list */ |
link_t drivers; |
/** Pointer to the linked list of devices controlled by |
* this driver */ |
link_t devices; |
/** Phone asociated with this driver */ |
ipcarg_t phone; |
/** Device driver name */ |
char *name; |
/** Futex for list of devices owned by this driver */ |
atomic_t devices_futex; |
} devmap_driver_t; |
/** Info about registered device |
* |
*/ |
typedef struct { |
/** Pointer to the previous and next device in the list of all devices */ |
link_t devices; |
/** Pointer to the previous and next device in the list of devices |
owned by one driver */ |
link_t driver_devices; |
/** Unique device identifier */ |
int handle; |
/** Device name */ |
char *name; |
/** Device driver handling this device */ |
devmap_driver_t *driver; |
} devmap_device_t; |
/** Interface provided by devmap. |
* Every process that connects to devmap must ask one of following |
* interfaces otherwise connection will be refused. |
*/ |
typedef enum { |
/** Connect as device driver */ |
DEVMAP_DRIVER = 1, |
/** Connect as client */ |
DEVMAP_CLIENT, |
/** Create new connection to instance of device that |
* is specified by second argument of call. */ |
DEVMAP_CONNECT_TO_DEVICE |
} devmap_interface_t; |
#endif |
/branches/tracing/uspace/lib/libc/include/ipc/services.h |
---|
42,7 → 42,6 |
SERVICE_KEYBOARD, |
SERVICE_VIDEO, |
SERVICE_CONSOLE, |
SERVICE_RD, |
SERVICE_VFS, |
SERVICE_DEVMAP |
} services_t; |
/branches/tracing/uspace/lib/libc/generic/task.c |
---|
44,5 → 44,10 |
return task_id; |
} |
int task_spawn(void *image, size_t size) |
{ |
return __SYSCALL2(SYS_TASK_SPAWN, (sysarg_t) image, (sysarg_t) size); |
} |
/** @} |
*/ |
/branches/tracing/uspace/lib/libc/generic/fibril.c |
---|
342,4 → 342,3 |
/** @} |
*/ |
/branches/tracing/uspace/lib/libc/generic/libc.c |
---|
64,12 → 64,8 |
_async_init(); |
f = fibril_setup(); |
__tcb_set(f->tcb); |
} |
void __io_init(void) |
{ |
open_stdin(); |
open_stdout(); |
open_console(); |
} |
void __exit(void) |
/branches/tracing/uspace/lib/libc/generic/async.c |
---|
1012,4 → 1012,3 |
/** @} |
*/ |
/branches/tracing/uspace/lib/libc/generic/vfs/vfs.c |
---|
48,6 → 48,7 |
#include <futex.h> |
#include <errno.h> |
#include <string.h> |
#include <ipc/devmap.h> |
#include "../../srv/vfs/vfs.h" |
int vfs_phone = -1; |
102,13 → 103,48 |
return vfs_phone; |
} |
static int device_get_handle(char *name, dev_handle_t *handle) |
{ |
int phone = ipc_connect_me_to(PHONE_NS, SERVICE_DEVMAP, DEVMAP_CLIENT, 0); |
if (phone < 0) |
return phone; |
ipc_call_t answer; |
aid_t req = async_send_2(phone, DEVMAP_DEVICE_GET_HANDLE, 0, 0, |
&answer); |
ipcarg_t retval = ipc_data_write_start(phone, name, strlen(name) + 1); |
if (retval != EOK) { |
async_wait_for(req, NULL); |
ipc_hangup(phone); |
return retval; |
} |
async_wait_for(req, &retval); |
if (handle != NULL) |
*handle = -1; |
if (retval == EOK) { |
if (handle != NULL) |
*handle = (dev_handle_t) IPC_GET_ARG1(answer); |
} |
ipc_hangup(phone); |
return retval; |
} |
int mount(const char *fs_name, const char *mp, const char *dev) |
{ |
int res; |
ipcarg_t rc; |
aid_t req; |
dev_handle_t dev_handle; |
dev_handle_t dev_handle = 0; /* TODO */ |
res = device_get_handle(dev, &dev_handle); |
if (res != EOK) |
return res; |
size_t mpa_len; |
char *mpa = absolutize(mp, &mpa_len); |
/branches/tracing/uspace/lib/libc/generic/io/stream.c |
---|
56,21 → 56,26 |
ssize_t read_stdin(void *buf, size_t count) |
{ |
open_console(); |
if (console_phone >= 0) { |
ipcarg_t r0, r1; |
size_t i = 0; |
while (i < count) { |
if (async_req_0_2(console_phone, CONSOLE_GETCHAR, &r0, |
&r1) < 0) { |
if (async_req_0_2(console_phone, CONSOLE_GETCHAR, &r0, &r1) < 0) |
return -1; |
} |
((char *) buf)[i++] = r0; |
} |
return i; |
} else { |
return -1; |
} |
} |
ssize_t write_stdout(const void *buf, size_t count) |
{ |
open_console(); |
if (console_phone >= 0) { |
int i; |
for (i = 0; i < count; i++) |
78,30 → 83,27 |
((const char *) buf)[i]); |
return count; |
} else |
return __SYSCALL3(SYS_KLOG, 1, (sysarg_t) buf, count); |
} |
void open_stdin(void) |
void open_console(void) |
{ |
if (console_phone < 0) { |
while ((console_phone = ipc_connect_me_to(PHONE_NS, |
SERVICE_CONSOLE, 0, 0)) < 0) { |
usleep(10000); |
int phone = ipc_connect_me_to(PHONE_NS, SERVICE_CONSOLE, 0, 0); |
if (phone >= 0) |
console_phone = phone; |
} |
} |
} |
void open_stdout(void) |
void klog_update(void) |
{ |
if (console_phone < 0) { |
while ((console_phone = ipc_connect_me_to(PHONE_NS, |
SERVICE_CONSOLE, 0, 0)) < 0) { |
usleep(10000); |
(void) __SYSCALL3(SYS_KLOG, 1, NULL, 0); |
} |
} |
} |
int get_cons_phone(void) |
{ |
open_console(); |
return console_phone; |
} |
/branches/tracing/uspace/lib/libc/arch/sparc64/src/entry.s |
---|
31,7 → 31,6 |
.org 0 |
.globl __entry |
.globl __entry_driver |
## User-space task entry point |
# |
40,18 → 39,7 |
sethi %hi(_gp), %l7 |
call __main |
or %l7, %lo(_gp), %l7 |
call __io_init |
nop |
call main |
nop |
call __exit |
nop |
__entry_driver: |
sethi %hi(_gp), %l7 |
call __main |
or %l7, %lo(_gp), %l7 |
call main |
nop |
call __exit |
nop |
/branches/tracing/uspace/lib/libc/arch/ia64/src/entry.s |
---|
31,7 → 31,6 |
.org 0 |
.globl __entry |
.globl __entry_driver |
## User-space task entry point |
# |
41,17 → 40,6 |
mov r1 = _gp |
br.call.sptk.many b0 = __main |
0: |
br.call.sptk.many b0 = __io_init |
1: |
br.call.sptk.many b0 = main |
2: |
br.call.sptk.many b0 = __exit |
__entry_driver: |
alloc loc0 = ar.pfs, 0, 1, 2, 0 |
mov r1 = _gp |
br.call.sptk.many b0 = __main |
0: |
br.call.sptk.many b0 = main |
1: |
br.call.sptk.many b0 = __exit |
/branches/tracing/uspace/lib/libc/arch/arm32/src/entry.s |
---|
31,7 → 31,6 |
.org 0 |
.global __entry |
.global __entry_driver |
## User-space task entry point |
# |
38,12 → 37,5 |
# |
__entry: |
bl __main |
bl __io_init |
bl main |
bl __exit |
__entry_driver: |
bl __main |
bl main |
bl __exit |
/branches/tracing/uspace/lib/libc/arch/ppc32/src/entry.s |
---|
31,7 → 31,6 |
.org 0 |
.globl __entry |
.globl __entry_driver |
## User-space task entry point |
# |
38,11 → 37,5 |
# |
__entry: |
bl __main |
bl __io_init |
bl main |
bl __exit |
__entry_driver: |
bl __main |
bl main |
bl __exit |
/branches/tracing/uspace/lib/libc/arch/amd64/include/atomic.h |
---|
38,11 → 38,11 |
#define LIBC_amd64_ATOMIC_H_ |
static inline void atomic_inc(atomic_t *val) { |
asm volatile ("lock incq %0\n" : "=m" (val->count)); |
asm volatile ("lock incq %0\n" : "+m" (val->count)); |
} |
static inline void atomic_dec(atomic_t *val) { |
asm volatile ("lock decq %0\n" : "=m" (val->count)); |
asm volatile ("lock decq %0\n" : "+m" (val->count)); |
} |
static inline long atomic_postinc(atomic_t *val) |
52,7 → 52,7 |
asm volatile ( |
"movq $1, %0\n" |
"lock xaddq %0, %1\n" |
: "=r" (r), "=m" (val->count) |
: "=r" (r), "+m" (val->count) |
); |
return r; |
65,7 → 65,7 |
asm volatile ( |
"movq $-1, %0\n" |
"lock xaddq %0, %1\n" |
: "=r" (r), "=m" (val->count) |
: "=r" (r), "+m" (val->count) |
); |
return r; |
/branches/tracing/uspace/lib/libc/arch/amd64/src/entry.s |
---|
31,7 → 31,6 |
.org 0 |
.globl __entry |
.globl __entry_driver |
## User-space task entry point |
# |
38,11 → 37,5 |
# |
__entry: |
call __main |
call __io_init |
call main |
call __exit |
__entry_driver: |
call __main |
call main |
call __exit |
/branches/tracing/uspace/lib/libc/arch/mips32/include/atomic.h |
---|
64,7 → 64,7 |
" sc %0, %1\n" |
" beq %0, %4, 1b\n" /* if the atomic operation failed, try again */ |
/* nop */ /* nop is inserted automatically by compiler */ |
: "=&r" (tmp), "=m" (val->count), "=&r" (v) |
: "=&r" (tmp), "+m" (val->count), "=&r" (v) |
: "i" (i), "i" (0) |
); |
/branches/tracing/uspace/lib/libc/arch/mips32/src/entry.s |
---|
52,9 → 52,6 |
jal __main |
nop |
jal __io_init |
nop |
jal main |
nop |
62,28 → 59,6 |
nop |
.end |
.ent __entry_driver |
__entry_driver: |
.frame $sp, 32, $31 |
.cpload $25 |
# Mips o32 may store its arguments on stack, make space (16 bytes), |
# so that it could work with -O0 |
# Make space additional 16 bytes for the stack frame |
addiu $sp, -32 |
.cprestore 16 # Allow PIC code |
jal __main |
nop |
jal main |
nop |
jal __exit |
nop |
.end |
# Alignment of output section data to 0x4000 |
.section .data |
.align 14 |
/branches/tracing/uspace/lib/libc/arch/ia32/include/atomic.h |
---|
36,11 → 36,11 |
#define LIBC_ia32_ATOMIC_H_ |
static inline void atomic_inc(atomic_t *val) { |
asm volatile ("lock incl %0\n" : "=m" (val->count)); |
asm volatile ("lock incl %0\n" : "+m" (val->count)); |
} |
static inline void atomic_dec(atomic_t *val) { |
asm volatile ("lock decl %0\n" : "=m" (val->count)); |
asm volatile ("lock decl %0\n" : "+m" (val->count)); |
} |
static inline long atomic_postinc(atomic_t *val) |
50,7 → 50,7 |
asm volatile ( |
"movl $1, %0\n" |
"lock xaddl %0, %1\n" |
: "=r" (r), "=m" (val->count) |
: "=r" (r), "+m" (val->count) |
); |
return r; |
63,7 → 63,7 |
asm volatile ( |
"movl $-1, %0\n" |
"lock xaddl %0, %1\n" |
: "=r" (r), "=m" (val->count) |
: "=r" (r), "+m" (val->count) |
); |
return r; |
/branches/tracing/uspace/lib/libc/arch/ia32/src/entry.s |
---|
31,7 → 31,6 |
.org 0 |
.globl __entry |
.globl __entry_driver |
## User-space task entry point |
# |
44,17 → 43,5 |
# Do not set %gs, it contains descriptor that can see TLS |
call __main |
call __io_init |
call main |
call __exit |
__entry_driver: |
mov %ss, %ax |
mov %ax, %ds |
mov %ax, %es |
mov %ax, %fs |
# Do not set %gs, it contains descriptor that can see TLS |
call __main |
call main |
call __exit |
/branches/tracing/uspace/lib/libc/arch/ia32/src/syscall.S |
---|
53,4 → 53,3 |
popl %esi |
popl %ebx |
ret |