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