/uspace/trunk/libc/include/libc.h |
---|
40,7 → 40,7 |
extern void __main(void); |
extern void __exit(void); |
extern unsigned int __syscall(const syscall_t id, const sysarg_t p1, const sysarg_t p2, const sysarg_t p3); |
extern sysarg_t __syscall(const syscall_t id, const sysarg_t p1, const sysarg_t p2, const sysarg_t p3); |
#endif |
/uspace/trunk/libc/include/unistd.h |
---|
0,0 → 1,38 |
/* |
* 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 __LIBC__UNISTD_H__ |
#define __LIBC__UNISTD_H__ |
#include <types.h> |
#define NULL 0 |
extern ssize_t write(int fd, const void * buf, size_t count); |
#endif |
/uspace/trunk/libc/generic/io.c |
---|
43,5 → 43,5 |
ssize_t write(int fd, const void * buf, size_t count) |
{ |
return __syscall(SYS_IO, (sysarg_t) fd, (sysarg_t) buf, (sysarg_t) count); |
return (ssize_t) __syscall(SYS_IO, (sysarg_t) fd, (sysarg_t) buf, (sysarg_t) count); |
} |
/uspace/trunk/libc/arch/ia32/src/syscall.c |
---|
28,9 → 28,9 |
#include <libc.h> |
unsigned int __syscall(const syscall_t id, const unsigned int p1, const unsigned int p2, const unsigned int p3) |
sysarg_t __syscall(const syscall_t id, const sysarg_t p1, const sysarg_t p2, const sysarg_t p3) |
{ |
unsigned int ret; |
sysarg_t ret; |
asm volatile ( |
"int $0x80\n" |
/uspace/trunk/libc/arch/mips32el/src/syscall.c |
---|
28,13 → 28,13 |
#include <libc.h> |
unsigned int __syscall(const syscall_t id, const unsigned int p1, const unsigned int p2, const unsigned int p3) |
sysarg_t __syscall(const syscall_t id, const sysarg_t p1, const sysarg_t p2, const sysarg_t p3) |
{ |
register unsigned int __mips_reg_a0 asm("$4") = p1; |
register unsigned int __mips_reg_a1 asm("$5") = p2; |
register unsigned int __mips_reg_a2 asm("$6") = p3; |
register unsigned int __mips_reg_a3 asm("$7") = id; |
register unsigned int __mips_reg_v0 asm("$2"); |
register sysarg_t __mips_reg_a0 asm("$4") = p1; |
register sysarg_t __mips_reg_a1 asm("$5") = p2; |
register sysarg_t __mips_reg_a2 asm("$6") = p3; |
register sysarg_t __mips_reg_a3 asm("$7") = id; |
register sysarg_t __mips_reg_v0 asm("$2"); |
asm volatile ( |
"syscall\n" |