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author | fishsoupisgood <github@madingley.org> | 2019-04-29 01:17:54 +0100 |
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committer | fishsoupisgood <github@madingley.org> | 2019-05-27 03:43:43 +0100 |
commit | 3f2546b2ef55b661fd8dd69682b38992225e86f6 (patch) | |
tree | 65ca85f13617aee1dce474596800950f266a456c /tests/tcg/hello-i386.c | |
download | qemu-3f2546b2ef55b661fd8dd69682b38992225e86f6.tar.gz qemu-3f2546b2ef55b661fd8dd69682b38992225e86f6.tar.bz2 qemu-3f2546b2ef55b661fd8dd69682b38992225e86f6.zip |
Diffstat (limited to 'tests/tcg/hello-i386.c')
-rw-r--r-- | tests/tcg/hello-i386.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/tests/tcg/hello-i386.c b/tests/tcg/hello-i386.c new file mode 100644 index 00000000..fa00380d --- /dev/null +++ b/tests/tcg/hello-i386.c @@ -0,0 +1,27 @@ +#include <asm/unistd.h> + +static inline void exit(int status) +{ + int __res; + __asm__ volatile ("movl %%ecx,%%ebx\n"\ + "int $0x80" \ + : "=a" (__res) : "0" (__NR_exit),"c" ((long)(status))); +} + +static inline int write(int fd, const char * buf, int len) +{ + int status; + __asm__ volatile ("pushl %%ebx\n"\ + "movl %%esi,%%ebx\n"\ + "int $0x80\n" \ + "popl %%ebx\n"\ + : "=a" (status) \ + : "0" (__NR_write),"S" ((long)(fd)),"c" ((long)(buf)),"d" ((long)(len))); + return status; +} + +void _start(void) +{ + write(1, "Hello World\n", 12); + exit(0); +} |