#include "../lib/strcmp.h"

void puts(const char *str) {
    asm volatile (
	    "movl $1, %%eax\n\t"
	    "movl $1, %%edi\n\t"
	    "movl %0, %%esi\n\t"
	    "int $0x80"
	    : 
	    : "r"(str) 
	    : "%eax", "%edi", "%esi"
	    );
}

void read(int fd, void *buf, int size) {
    asm volatile (
	    "movl $0, %%eax\n\t"
	    "int $0x80"
	    : 
	    : "D"(fd), "d"(size), "S"(buf)
	    : "eax"
	    );
}

void reboot() {
    asm volatile (
	    "movl $2, %%eax\n\t"
	    "int $0x80"
	    : 
	    : 
	    : "eax"
	    );
}

extern char *buf;

void _start() {
    char buf1[256] = {0};
    puts("Welcome to the Hazel user shell!\n");
    while (1) {
	puts("> ");
	read(0, buf1, 256);
        if (!strcmp(buf1, "SKIBIDI")) {
            puts("dop dop yes yes!\n");
        } else if (!strcmp(buf1, "REBOOT")) {
            reboot();
        }
        else {
            puts("unknown command!\n");
        }
    }
}