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[FILE BEGIN]
1/* AArch64 kernel
2 * Licence: GNU General Public License v3.0
3 * By: 0x4248
4*/
5
6#include <stdint.h>
7#include <stddef.h>
8#include <stdbool.h>
9
10#include "power.h"
11
12volatile uint8_t *uart = (uint8_t *)0x09000000;
13
14void putchar(char c)
15{
16    *uart = c;
17}
18
19void printk(const char *s)
20{
21    while (*s != '\0')
22    {
23        putchar(*s);
24        s++;
25    }
26}
27
28
29
30/**
31 * kmain - main kernel function
32*/
33void kmain(void)
34{
35    printk("Welcome to this simple aarch64 OS!\n");
36    kernel_call_poweroff();
37}
38
[FILE END]
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