0,0 → 1,68 |
/* |
* 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. |
*/ |
|
/** @addtogroup libcmips32 |
* @{ |
*/ |
/** @file |
* @ingroup libcmips32eb |
*/ |
|
#include <libc.h> |
|
sysarg_t __syscall(const sysarg_t p1, const sysarg_t p2, const sysarg_t p3, |
const sysarg_t p4, const sysarg_t p5, const sysarg_t p6, const syscall_t id) |
{ |
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") = p4; |
register sysarg_t __mips_reg_t0 asm("$8") = p5; |
register sysarg_t __mips_reg_t1 asm("$9") = p6; |
register sysarg_t __mips_reg_v0 asm("$2") = id; |
|
asm volatile ( |
"syscall\n" |
: "=r" (__mips_reg_v0) |
: "r" (__mips_reg_a0), |
"r" (__mips_reg_a1), |
"r" (__mips_reg_a2), |
"r" (__mips_reg_a3), |
"r" (__mips_reg_t0), |
"r" (__mips_reg_t1), |
"r" (__mips_reg_v0) |
: "%ra" /* We are a function call, although C does not |
* know it */ |
); |
|
return __mips_reg_v0; |
} |
|
/** @} |
*/ |
|