root / tests / hello-arm.c @ 394411ac
History | View | Annotate | Download (3.1 kB)
| 1 | 394411ac | bellard | #define __NR_SYSCALL_BASE 0x900000 |
|---|---|---|---|
| 2 | 394411ac | bellard | #define __NR_exit1 (__NR_SYSCALL_BASE+ 1) |
| 3 | 394411ac | bellard | #define __NR_write (__NR_SYSCALL_BASE+ 4) |
| 4 | 394411ac | bellard | |
| 5 | 394411ac | bellard | #define __sys2(x) #x |
| 6 | 394411ac | bellard | #define __sys1(x) __sys2(x)
|
| 7 | 394411ac | bellard | |
| 8 | 394411ac | bellard | #ifndef __syscall
|
| 9 | 394411ac | bellard | #define __syscall(name) "swi\t" __sys1(__NR_##name) "\n\t" |
| 10 | 394411ac | bellard | #endif
|
| 11 | 394411ac | bellard | |
| 12 | 394411ac | bellard | #define __syscall_return(type, res) \
|
| 13 | 394411ac | bellard | do { \
|
| 14 | 394411ac | bellard | return (type) (res); \
|
| 15 | 394411ac | bellard | } while (0) |
| 16 | 394411ac | bellard | |
| 17 | 394411ac | bellard | #define _syscall0(type,name) \
|
| 18 | 394411ac | bellard | type name(void) { \
|
| 19 | 394411ac | bellard | long __res; \
|
| 20 | 394411ac | bellard | __asm__ __volatile__ ( \ |
| 21 | 394411ac | bellard | __syscall(name) \ |
| 22 | 394411ac | bellard | "mov %0,r0" \
|
| 23 | 394411ac | bellard | :"=r" (__res) : : "r0","lr"); \ |
| 24 | 394411ac | bellard | __syscall_return(type,__res); \ |
| 25 | 394411ac | bellard | } |
| 26 | 394411ac | bellard | |
| 27 | 394411ac | bellard | #define _syscall1(type,name,type1,arg1) \
|
| 28 | 394411ac | bellard | type name(type1 arg1) { \
|
| 29 | 394411ac | bellard | long __res; \
|
| 30 | 394411ac | bellard | __asm__ __volatile__ ( \ |
| 31 | 394411ac | bellard | "mov\tr0,%1\n\t" \
|
| 32 | 394411ac | bellard | __syscall(name) \ |
| 33 | 394411ac | bellard | "mov %0,r0" \
|
| 34 | 394411ac | bellard | : "=r" (__res) \
|
| 35 | 394411ac | bellard | : "r" ((long)(arg1)) \ |
| 36 | 394411ac | bellard | : "r0","lr"); \ |
| 37 | 394411ac | bellard | __syscall_return(type,__res); \ |
| 38 | 394411ac | bellard | } |
| 39 | 394411ac | bellard | |
| 40 | 394411ac | bellard | #define _syscall2(type,name,type1,arg1,type2,arg2) \
|
| 41 | 394411ac | bellard | type name(type1 arg1,type2 arg2) { \
|
| 42 | 394411ac | bellard | long __res; \
|
| 43 | 394411ac | bellard | __asm__ __volatile__ ( \ |
| 44 | 394411ac | bellard | "mov\tr0,%1\n\t" \
|
| 45 | 394411ac | bellard | "mov\tr1,%2\n\t" \
|
| 46 | 394411ac | bellard | __syscall(name) \ |
| 47 | 394411ac | bellard | "mov\t%0,r0" \
|
| 48 | 394411ac | bellard | : "=r" (__res) \
|
| 49 | 394411ac | bellard | : "r" ((long)(arg1)),"r" ((long)(arg2)) \ |
| 50 | 394411ac | bellard | : "r0","r1","lr"); \ |
| 51 | 394411ac | bellard | __syscall_return(type,__res); \ |
| 52 | 394411ac | bellard | } |
| 53 | 394411ac | bellard | |
| 54 | 394411ac | bellard | |
| 55 | 394411ac | bellard | #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
|
| 56 | 394411ac | bellard | type name(type1 arg1,type2 arg2,type3 arg3) { \
|
| 57 | 394411ac | bellard | long __res; \
|
| 58 | 394411ac | bellard | __asm__ __volatile__ ( \ |
| 59 | 394411ac | bellard | "mov\tr0,%1\n\t" \
|
| 60 | 394411ac | bellard | "mov\tr1,%2\n\t" \
|
| 61 | 394411ac | bellard | "mov\tr2,%3\n\t" \
|
| 62 | 394411ac | bellard | __syscall(name) \ |
| 63 | 394411ac | bellard | "mov\t%0,r0" \
|
| 64 | 394411ac | bellard | : "=r" (__res) \
|
| 65 | 394411ac | bellard | : "r" ((long)(arg1)),"r" ((long)(arg2)),"r" ((long)(arg3)) \ |
| 66 | 394411ac | bellard | : "r0","r1","r2","lr"); \ |
| 67 | 394411ac | bellard | __syscall_return(type,__res); \ |
| 68 | 394411ac | bellard | } |
| 69 | 394411ac | bellard | |
| 70 | 394411ac | bellard | |
| 71 | 394411ac | bellard | #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
|
| 72 | 394411ac | bellard | type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) { \
|
| 73 | 394411ac | bellard | long __res; \
|
| 74 | 394411ac | bellard | __asm__ __volatile__ ( \ |
| 75 | 394411ac | bellard | "mov\tr0,%1\n\t" \
|
| 76 | 394411ac | bellard | "mov\tr1,%2\n\t" \
|
| 77 | 394411ac | bellard | "mov\tr2,%3\n\t" \
|
| 78 | 394411ac | bellard | "mov\tr3,%4\n\t" \
|
| 79 | 394411ac | bellard | __syscall(name) \ |
| 80 | 394411ac | bellard | "mov\t%0,r0" \
|
| 81 | 394411ac | bellard | : "=r" (__res) \
|
| 82 | 394411ac | bellard | : "r" ((long)(arg1)),"r" ((long)(arg2)),"r" ((long)(arg3)),"r" ((long)(arg4)) \ |
| 83 | 394411ac | bellard | : "r0","r1","r2","r3","lr"); \ |
| 84 | 394411ac | bellard | __syscall_return(type,__res); \ |
| 85 | 394411ac | bellard | } |
| 86 | 394411ac | bellard | |
| 87 | 394411ac | bellard | |
| 88 | 394411ac | bellard | #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5) \
|
| 89 | 394411ac | bellard | type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5) { \
|
| 90 | 394411ac | bellard | long __res; \
|
| 91 | 394411ac | bellard | __asm__ __volatile__ ( \ |
| 92 | 394411ac | bellard | "mov\tr0,%1\n\t" \
|
| 93 | 394411ac | bellard | "mov\tr1,%2\n\t" \
|
| 94 | 394411ac | bellard | "mov\tr2,%3\n\t" \
|
| 95 | 394411ac | bellard | "mov\tr3,%4\n\t" \
|
| 96 | 394411ac | bellard | "mov\tr4,%5\n\t" \
|
| 97 | 394411ac | bellard | __syscall(name) \ |
| 98 | 394411ac | bellard | "mov\t%0,r0" \
|
| 99 | 394411ac | bellard | : "=r" (__res) \
|
| 100 | 394411ac | bellard | : "r" ((long)(arg1)),"r" ((long)(arg2)),"r" ((long)(arg3)),"r" ((long)(arg4)), \ |
| 101 | 394411ac | bellard | "r" ((long)(arg5)) \ |
| 102 | 394411ac | bellard | : "r0","r1","r2","r3","r4","lr"); \ |
| 103 | 394411ac | bellard | __syscall_return(type,__res); \ |
| 104 | 394411ac | bellard | } |
| 105 | 394411ac | bellard | |
| 106 | 394411ac | bellard | _syscall1(int,exit1,int,status); |
| 107 | 394411ac | bellard | _syscall3(int,write,int,fd,const char *,buf, int, len); |
| 108 | 394411ac | bellard | |
| 109 | 394411ac | bellard | void _start(void) |
| 110 | 394411ac | bellard | {
|
| 111 | 394411ac | bellard | write(1, "Hello World\n", 12); |
| 112 | 394411ac | bellard | exit1(0);
|
| 113 | 394411ac | bellard | } |