feature: print_stack working (dont use opti flags, else the stack is broken)

src/shell/exec.c

@@ -29,6 +29,8 @@ static CMD_TOK find_command(char *line)
 		command = POWEROFF;
 	else if (!strcmp(line, "halt"))
 		command = HALT;
+	else if (!strcmp(line, "stack"))
+		command = STACK;
 	else if (!strcmp(line, "echo"))
 		command = ECHO;
 	else if (!strcmp(line, "color"))
@@ -95,6 +97,9 @@ void shell_init(void)
 		case HALT:
 			halt();
 			break;
+		case STACK:
+			print_stack();
+			break;
 		case ECHO:
 			kprintf(0, "echoing\n");
 			break;

src/shell/power.c

@@ -27,8 +27,8 @@ void reboot(void)
 	} while (check_flag(tmp, KBD_BIT_UDATA));
 	outb(KBD_INTERFACE, KBD_RESET); /* pulse CPU reset line */
 loop:
-	asm volatile("hlt"); /* if that didn't work, halt the CPU */
-	goto loop;           /* if a NMI is received, halt again */
+	asm volatile("hlt");
+	goto loop;
 }
 
 void halt(void)