qemu-patch-raspberry4/tests/tcg/i386/hello-i386.c
Fam Zheng 553a5a6046 tests/tcg/i386: Build fix for hello-i386
We have -Werror=missing-prototype, add a dummy prototype to avoid that
warning.

Signed-off-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
2018-06-20 20:22:34 +01:00

29 lines
601 B
C

#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);
void _start(void)
{
write(1, "Hello World\n", 12);
exit(0);
}