Archipelago » qemu

#include <asm/unistd.h>

extern inline volatile void exit(int status)

{

  int __res;

  __asm__ volatile ("movl %%ecx,%%ebx\n"\

                    "int $0x80" \

                    :  "=a" (__res) : "0" (__NR_exit),"c" ((long)(status)));

}

extern 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 _startup(void)

{

    write(1, "Hello World\n", 12);

    exit(0);

}