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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_io_setup 0
#define __NR_io_destroy 1
#define __NR_io_submit 2
#define __NR_io_cancel 3
#define __NR_io_getevents 4
#define __sys2(x) #x
#define __sys1(x) __sys2(x)
#define __SYS_REG(name) register long __sysreg __asm__("w8") = __NR_##name;
#define __SYS_REG_LIST(regs...) "r" (__sysreg) , ##regs
#define __syscall(name) "svc\t#0"
#define io_syscall1(type,fname,sname,type1,arg1) \
type fname(type1 arg1) { \
__SYS_REG(sname) \
register long __x0 __asm__("x0") = (long)arg1; \
register long __res_x0 __asm__("x0"); \
__asm__ __volatile__ ( \
__syscall(sname) \
: "=r" (__res_x0) \
: __SYS_REG_LIST( "0" (__x0) ) \
: "memory" ); \
return (type) __res_x0; \
}
#define io_syscall2(type,fname,sname,type1,arg1,type2,arg2) \
type fname(type1 arg1,type2 arg2) { \
__SYS_REG(sname) \
register long __x0 __asm__("x0") = (long)arg1; \
register long __x1 __asm__("x1") = (long)arg2; \
register long __res_x0 __asm__("x0"); \
__asm__ __volatile__ ( \
__syscall(sname) \
: "=r" (__res_x0) \
: __SYS_REG_LIST( "0" (__x0), "r" (__x1) ) \
: "memory" ); \
return (type) __res_x0; \
}
#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 __x0 __asm__("x0") = (long)arg1; \
register long __x1 __asm__("x1") = (long)arg2; \
register long __x2 __asm__("x2") = (long)arg3; \
register long __res_x0 __asm__("x0"); \
__asm__ __volatile__ ( \
__syscall(sname) \
: "=r" (__res_x0) \
: __SYS_REG_LIST( "0" (__x0), "r" (__x1), "r" (__x2) ) \
: "memory" ); \
return (type) __res_x0; \
}
#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 __x0 __asm__("x0") = (long)arg1; \
register long __x1 __asm__("x1") = (long)arg2; \
register long __x2 __asm__("x2") = (long)arg3; \
register long __x3 __asm__("x3") = (long)arg4; \
register long __res_x0 __asm__("x0"); \
__asm__ __volatile__ ( \
__syscall(sname) \
: "=r" (__res_x0) \
: __SYS_REG_LIST( "0" (__x0), "r" (__x1), "r" (__x2), "r" (__x3) ) \
: "memory" ); \
return (type) __res_x0; \
}
#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 __x0 __asm__("x0") = (long)arg1; \
register long __x1 __asm__("x1") = (long)arg2; \
register long __x2 __asm__("x2") = (long)arg3; \
register long __x3 __asm__("x3") = (long)arg4; \
register long __x4 __asm__("x4") = (long)arg5; \
register long __res_x0 __asm__("x0"); \
__asm__ __volatile__ ( \
__syscall(sname) \
: "=r" (__res_x0) \
: __SYS_REG_LIST( "0" (__x0), "r" (__x1), "r" (__x2), \
"r" (__x3), "r" (__x4) ) \
: "memory" ); \
return (type) __res_x0; \
}
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