[task] um, cooperative multi-tasking? that's good, right?

kernel/core/irq.c

@@ -74,11 +74,11 @@ void
 irq_handler(struct regs *r) {
 	void (*handler)(struct regs *r);
 	handler = irq_routines[r->int_no - 32];
-	if (handler) {
-		handler(r);
-	}
 	if (r->int_no >= 40) {
 		outportb(0xA0, 0x20);
 	}
 	outportb(0x20, 0x20);
+	if (handler) {
+		handler(r);
+	}
 }

kernel/core/timer.c

@@ -20,8 +20,8 @@ timer_handler(
 	++timer_ticks;
 	if (timer_ticks % 18 == 0) {
 		++ticker;
-		switch_task();
 	}
+	//switch_task();
 }
 
 void timer_install() {

kernel/main.c

@@ -118,7 +118,7 @@ int main(struct multiboot *mboot_ptr, uint32_t mboot_mag, uintptr_t esp)
 	}
 	__asm__ __volatile__ ("sti");
 
-	start_shell();
+	//start_shell();
 
 	/*
 	 * Aw man...
@@ -126,15 +126,14 @@ int main(struct multiboot *mboot_ptr, uint32_t mboot_mag, uintptr_t esp)
 
 	uint32_t child = fork();
 
-	uint32_t i = getpid();
 	while (1) {
-		__asm__ __volatile__ ("cli");
+		uint32_t i = getpid();
 		if (i == 1) {
 			putch('A');
 		} else {
 			putch('B');
 		}
-		__asm__ __volatile__ ("sti");
+		switch_task();
 	}
 
 	return 0;