140 lines
2.6 KiB
C
140 lines
2.6 KiB
C
#include "../include/isr.h"
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#include "../include/screen.h"
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#include "../include/stdio.h"
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#include "../include/utils.h"
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#include "../include/disk.h"
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#include "../include/string.h"
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#include "../include/pic.h"
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#include "../include/pit.h"
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#include "../include/paging.h"
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#include "../include/fat.h"
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#include <stdint.h>
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disk_ops_t ops =
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{
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.read = ata_read,
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.write = ata_write,
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};
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static fat_t g_fat;
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static const char* months[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
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static int cat(const char* path)
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{
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file_t file;
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int err = fat_fopen(&file, path, "r");
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if (err)
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return err;
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uint8_t buf[512];
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for (;;)
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{
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int cnt = fat_fread(&file, buf, 512);
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if (cnt < 0)
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return cnt;
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printf("%.*s\n", cnt, buf);
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printf("%s\n", buf);
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if (cnt < 512)
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break;
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}
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return fat_fclose(&file);
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}
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static int ls(const char* path)
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{
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dir_t dir;
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dir_info_t info;
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int err = fat_opendir(&dir, path);
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if (err)
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return err;
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for (;;)
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{
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err = fat_readdir(&dir, &info);
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if (err == FAT_ERR_EOF)
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return FAT_ERR_NONE;
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if (err)
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return err;
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printf("%X %s %x %x:%x %x %s%c\n",
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info.size, months[info.modified.month], info.modified.day,
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info.modified.hour, info.modified.min,
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info.namelen, info.name, info.attr & FAT_ATTR_DIR ? '/' : ' ');
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err = fat_nextdir(&dir);
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if (err)
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return err;
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}
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}
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void file_fuckery()
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{
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int err;
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err = fat_mount(&ops, 0, &g_fat, "ebalo");
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if(err)
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printf("KATYAKATYAKATYAKATYAKATYA: %X\n", err);
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printf("%X\n", err);
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err = ls("/ebalo");
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err = cat("/ebalo/boot/grub/grub.cfg");
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err = fat_mkdir("/ebalo/pizdaa");
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err = ls("/ebalo");
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fat_umount(&g_fat);
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//err = fat_fclose(&file);
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if(err)
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printf("ERROR! %X\n", err);
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}
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void apply_pic_masks()
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{
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//0x21 is master pic, 0xa1 is slave pic
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outb(0x21,0xfc);//0b11111100 (bit 0 is PIT, bit 1 is keyboard and so on)
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outb(0xa1,0xff);
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}
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void kmain()
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{
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terminal_initialize();
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printf("KatauOS booting up\n");
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isr_install();
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pic_remap(0x20, 0x28);
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pit_init(100);
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apply_pic_masks();
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paging_init();
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__asm__ __volatile__ ("sti");
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printf("Kernel init sequence completed\n");
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char yooo[256] = "heheh";
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printf("test string: %s\n", yooo);
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disk_info info;
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get_disk_info(&info);
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printf("CYL HEAD SECT: %X %X %X\n", info.cylinders, info.heads, info.sectors);
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file_fuckery();
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while(1)
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{
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/* if(inportb(0x64) & 0x1)
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{
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unsigned char key = inportb(0x60);
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if(key == 2)
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terminal_writestring("1\n");
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else if(key == 4)
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terminal_writestring("3\n");
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else
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terminal_writestring("dunno what is it\n");
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}
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*/ }
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}
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