diff options
author | Robert Mustacchi <rm@joyent.com> | 2011-06-24 13:49:54 -0700 |
---|---|---|
committer | Robert Mustacchi <rm@joyent.com> | 2011-06-24 13:49:54 -0700 |
commit | 68396ea9c0fe4f75ce30b1eba2c44c43c13344bb (patch) | |
tree | 802587d411d9db461e6500c5b635043315f81c27 /tests/hello-i386.c | |
download | illumos-kvm-cmd-68396ea9c0fe4f75ce30b1eba2c44c43c13344bb.tar.gz |
Initial commit of d32e8d0b8d9e0ef7cf7ab2e74548982972789dfc from qemu-kvm
Diffstat (limited to 'tests/hello-i386.c')
-rw-r--r-- | tests/hello-i386.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/tests/hello-i386.c b/tests/hello-i386.c new file mode 100644 index 0000000..86afc34 --- /dev/null +++ b/tests/hello-i386.c @@ -0,0 +1,26 @@ +#include <asm/unistd.h> + +static inline volatile 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))); +} + +void _start(void) +{ + write(1, "Hello World\n", 12); + exit(0); +} |