62 lines
1.6 KiB
C
62 lines
1.6 KiB
C
#include "console.h"
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#include "cpu/isr.h"
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#include "cpu/gdt.h"
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#include "cpu/memlayout.h"
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#include "drivers/keyboard.h"
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#include "drivers/vga.h"
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#include "drivers/ata.h"
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#include "drivers/misc.h"
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#include "drivers/pit.h"
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#include "drivers/uart.h"
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#include "fs/fs.h"
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#include "lib/string.h"
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#include "proc.h"
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#include "kernel/mem.h"
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void kmain() {
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freerange(P2V(1u<<20), P2V(2u<<20)); // 1MB - 2MB
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kvmalloc(); // map all of physical memory at KERNBASE
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freerange(P2V(2u<<20), P2V(PHYSTOP));
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load_gdt();
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init_keyboard();
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init_pit();
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uartinit();
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load_idt();
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sti();
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char *buf = (char*)(16 << 20);
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vga_clear_screen();
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printk("YABLOKO\n");
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if (read_file("kernel.bin", buf, 4096 + sector_size) > 0) {
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printk(buf + 4096);
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} else {
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printk("failed to read file\n");
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}
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printk("\n> ");
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while (1) {
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if (kbd_buf_size > 0 && kbd_buf[kbd_buf_size-1] == '\n') {
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if (!strncmp("halt\n", kbd_buf, kbd_buf_size)) {
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qemu_shutdown();
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} else if (!strncmp("work\n", kbd_buf, kbd_buf_size)) {
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for (int i = 0; i < 5; ++i) {
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msleep(1000);
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printk(".");
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}
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} else if (!strncmp("run ", kbd_buf, 4)) {
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kbd_buf[kbd_buf_size-1] = '\0';
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const char* cmd = kbd_buf + 4;
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run_elf(cmd);
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} else {
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printk("unknown command, try: halt | run CMD");
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}
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kbd_buf_size = 0;
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printk("\n> ");
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}
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asm("hlt");
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}
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}
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