#include "syscall.h" #include "gdt.h" #include "libc/stdio.h" void syscall(){ int call_number; asm("movl %%eax, %0":"=m"(call_number)); if(call_number==1){ int msg_addr; asm("movl %%ebx, %0":"=m"(msg_addr)); char *msg=(char*)msg_addr; print(msg); } else{ print("Syscall "); printi(call_number); print(" unknown"); } }