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/*
* linux/include/asm-arm/unistd.h
*
* Copyright (C) 2001-2005 Russell King
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* Please forward _all_ changes to this file to rmk@arm.linux.org.uk,
* no matter what the change is. Thanks!
*/
#define __NR_OABI_SYSCALL_BASE 0x900000
#if defined(__thumb__) || defined(__ARM_EABI__)
#define __NR_SYSCALL_BASE 0
#else
#define __NR_SYSCALL_BASE __NR_OABI_SYSCALL_BASE
#endif
#define __NR_io_setup (__NR_SYSCALL_BASE+243)
#define __NR_io_destroy (__NR_SYSCALL_BASE+244)
#define __NR_io_getevents (__NR_SYSCALL_BASE+245)
#define __NR_io_submit (__NR_SYSCALL_BASE+246)
#define __NR_io_cancel (__NR_SYSCALL_BASE+247)
#define __sys2(x) #x
#define __sys1(x) __sys2(x)
#if defined(__thumb__) || defined(__ARM_EABI__)
#define __SYS_REG(name) register long __sysreg __asm__("r7") = __NR_##name;
#define __SYS_REG_LIST(regs...) "r" (__sysreg) , ##regs
#define __syscall(name) "swi\t0"
#else
#define __SYS_REG(name)
#define __SYS_REG_LIST(regs...) regs
#define __syscall(name) "swi\t" __sys1(__NR_##name) ""
#endif
#define io_syscall1(type,fname,sname,type1,arg1) \
type fname(type1 arg1) { \
__SYS_REG(sname) \
register long __r0 __asm__("r0") = (long)arg1; \
register long __res_r0 __asm__("r0"); \
__asm__ __volatile__ ( \
__syscall(sname) \
: "=r" (__res_r0) \
: __SYS_REG_LIST( "0" (__r0) ) \
: "memory" ); \
return (type) __res_r0; \
}
#define io_syscall2(type,fname,sname,type1,arg1,type2,arg2) \
type fname(type1 arg1,type2 arg2) { \
__SYS_REG(sname) \
register long __r0 __asm__("r0") = (long)arg1; \
register long __r1 __asm__("r1") = (long)arg2; \
register long __res_r0 __asm__("r0"); \
__asm__ __volatile__ ( \
__syscall(sname) \
: "=r" (__res_r0) \
: __SYS_REG_LIST( "0" (__r0), "r" (__r1) ) \
: "memory" ); \
return (type) __res_r0; \
}
#define io_syscall3(type,fname,sname,type1,arg1,type2,arg2,type3,arg3) \
type fname(type1 arg1,type2 arg2,type3 arg3) { \
__SYS_REG(sname) \
register long __r0 __asm__("r0") = (long)arg1; \
register long __r1 __asm__("r1") = (long)arg2; \
register long __r2 __asm__("r2") = (long)arg3; \
register long __res_r0 __asm__("r0"); \
__asm__ __volatile__ ( \
__syscall(sname) \
: "=r" (__res_r0) \
: __SYS_REG_LIST( "0" (__r0), "r" (__r1), "r" (__r2) ) \
: "memory" ); \
return (type) __res_r0; \
}
#define io_syscall4(type,fname,sname,type1,arg1,type2,arg2,type3,arg3,type4,arg4)\
type fname(type1 arg1, type2 arg2, type3 arg3, type4 arg4) { \
__SYS_REG(sname) \
register long __r0 __asm__("r0") = (long)arg1; \
register long __r1 __asm__("r1") = (long)arg2; \
register long __r2 __asm__("r2") = (long)arg3; \
register long __r3 __asm__("r3") = (long)arg4; \
register long __res_r0 __asm__("r0"); \
__asm__ __volatile__ ( \
__syscall(sname) \
: "=r" (__res_r0) \
: __SYS_REG_LIST( "0" (__r0), "r" (__r1), "r" (__r2), "r" (__r3) ) \
: "memory" ); \
return (type) __res_r0; \
}
#define io_syscall5(type,fname,sname,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5) \
type fname(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5) {\
__SYS_REG(sname) \
register long __r0 __asm__("r0") = (long)arg1; \
register long __r1 __asm__("r1") = (long)arg2; \
register long __r2 __asm__("r2") = (long)arg3; \
register long __r3 __asm__("r3") = (long)arg4; \
register long __r4 __asm__("r4") = (long)arg5; \
register long __res_r0 __asm__("r0"); \
__asm__ __volatile__ ( \
__syscall(sname) \
: "=r" (__res_r0) \
: __SYS_REG_LIST( "0" (__r0), "r" (__r1), "r" (__r2), \
"r" (__r3), "r" (__r4) ) \
: "memory" ); \
return (type) __res_r0; \
}
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