diff options
Diffstat (limited to 'src/syscall-arm64.h')
-rw-r--r-- | src/syscall-arm64.h | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/src/syscall-arm64.h b/src/syscall-arm64.h new file mode 100644 index 0000000..031c571 --- /dev/null +++ b/src/syscall-arm64.h @@ -0,0 +1,101 @@ +/* + * 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; \ +} |