src/userspace/programs/sh.c


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42

#include <common.h>
#include <gui.h>
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <syscall.h>
#include <unistd.h>

void test(u8 *data)
{
	printf(".");
}

u32 cpu_flags()
{
	u32 flags;
	asm volatile("pushf\n"
		     "pop %0\n"
		     : "=rm"(flags)::"memory");
	return flags;
}

int interrupts_enabled()
{
	return (cpu_flags() & 0x200) == 0x200;
}

void main()
{
	printf("Shell started\n");
	if (interrupts_enabled())
		printf("INTs enabled :)\n");
	else
		printf("INTs disabled :(\n");

	//syscall_map(MAP_KEYBOARD, (u32)&test);

	printf("Looping in shell\n");
	while (1) {
		//printf("A");
	};
}