2019-04-27 09:51:32 -05:00
|
|
|
#include "../cpu/cpu_init.h"
|
2019-04-26 10:03:16 -05:00
|
|
|
#include "../drivers/vga.h"
|
2019-04-27 09:51:32 -05:00
|
|
|
#include "../drivers/pci.h"
|
|
|
|
#include "../drivers/serial.h"
|
2019-04-26 09:47:57 -05:00
|
|
|
// #include "../cpu/i386/ports.h"
|
2019-04-27 09:51:32 -05:00
|
|
|
#include "vfs.h"
|
|
|
|
#include "../fs/devfs.h"
|
|
|
|
#include "../fs/initrd.h"
|
2019-04-26 10:03:16 -05:00
|
|
|
#include <grub/text_fb_info.h>
|
2019-04-27 09:51:32 -05:00
|
|
|
#include <stdlib.h>
|
|
|
|
#include <tasking.h>
|
|
|
|
#include <string.h>
|
|
|
|
#include <memory.h>
|
2019-03-11 09:32:55 -05:00
|
|
|
#include <grub/multiboot.h>
|
2019-04-27 09:51:32 -05:00
|
|
|
#include "klog.h"
|
|
|
|
#include "elf.h"
|
|
|
|
#include <errno.h>
|
|
|
|
#include "../drivers/ide.h"
|
|
|
|
#include "parts.h"
|
|
|
|
#include "../fs/ext2.h"
|
|
|
|
#include <stdint.h>
|
|
|
|
|
|
|
|
static long initrd_sz;
|
|
|
|
static char* initrd;
|
|
|
|
static multiboot_info_t* mbd;
|
|
|
|
typedef int (*func_ptr)();
|
2019-04-26 09:47:57 -05:00
|
|
|
//
|
|
|
|
// static int console_dev_drv(char* filename,int c,long pos,char wr) {
|
|
|
|
// if (wr) {
|
|
|
|
// if (c=='\f') {
|
|
|
|
// vga_clear();
|
|
|
|
// } else if (c=='\b') {
|
|
|
|
// vga_backspace();
|
|
|
|
// }
|
|
|
|
// char str[2];
|
|
|
|
// str[0]=(char)c;
|
|
|
|
// str[1]='\0';
|
|
|
|
// vga_write_string(str);
|
|
|
|
// return 0;
|
|
|
|
// } else {
|
|
|
|
// return 0;
|
|
|
|
// // return devbuf_get(kbd_buf);
|
|
|
|
// }
|
|
|
|
// }
|
|
|
|
//
|
|
|
|
// static int initrd_dev_drv(char* filename,int c,long pos,char wr) {
|
|
|
|
// if (wr) {
|
|
|
|
// return 0;
|
|
|
|
// }
|
|
|
|
// if (pos>=initrd_sz) {
|
|
|
|
// return EOF;
|
|
|
|
// }
|
|
|
|
// return initrd[pos];
|
|
|
|
// }
|
|
|
|
//
|
|
|
|
// static void read_initrd(multiboot_info_t* mbd) {
|
|
|
|
// if ((mbd->flags&MULTIBOOT_INFO_MODS)!=0) {
|
|
|
|
// uint32_t mods_count=mbd->mods_count;
|
|
|
|
// if (mods_count>0) {
|
|
|
|
// while (mods_count>0) {
|
|
|
|
// multiboot_module_t* mods_addr=(multiboot_module_t*)(mbd->mods_addr+0xC0000000);
|
|
|
|
// if (strcmp((char*)(mods_addr->cmdline+0xC0000000),"initrd")==0) {
|
|
|
|
// initrd=malloc(sizeof(char)*(mods_addr->mod_end-mods_addr->mod_start));
|
|
|
|
// initrd_sz=(mods_addr->mod_end-mods_addr->mod_start);
|
|
|
|
// memcpy(initrd,(void*)mods_addr->mod_start+0xC0000000,initrd_sz);
|
|
|
|
// };
|
|
|
|
// mods_count--;
|
|
|
|
// }
|
|
|
|
// }
|
|
|
|
// } else {
|
|
|
|
// klog("PANIC","Cannnot load initrd. No modules found!");
|
|
|
|
// for(;;) {}
|
|
|
|
// }
|
|
|
|
// if (!initrd) {
|
|
|
|
// klog("PANIC","Cannnot load initrd. Initrd module not found!");
|
|
|
|
// for(;;) {}
|
|
|
|
// }
|
|
|
|
// }
|
2019-04-27 09:51:32 -05:00
|
|
|
|
2019-04-26 09:47:57 -05:00
|
|
|
// static void init() {
|
|
|
|
// init_vfs();
|
|
|
|
// init_devfs();
|
|
|
|
// devfs_add(console_dev_drv,"console");
|
|
|
|
// stdout=fopen("/dev/console","w");
|
|
|
|
// stdin=fopen("/dev/console","r");
|
|
|
|
// stderr=fopen("/dev/console","w");
|
|
|
|
// // read_initrd(mbd);
|
|
|
|
// // devfs_add(initrd_dev_drv,"initrd");
|
|
|
|
// // initrd_init();
|
|
|
|
// mount("/initrd/","","initrd");
|
|
|
|
// // Detect PCI
|
|
|
|
// port_long_out(0xCF8,(1<<31));
|
|
|
|
// uint32_t word=port_long_in(0xCFC);
|
|
|
|
// port_long_out(0xCF8,(1<<31)|0x4);
|
|
|
|
// if (word!=port_long_in(0xCFC)) {
|
|
|
|
// // pci_init();
|
|
|
|
// }
|
|
|
|
// // Detect and initailize serial ports
|
|
|
|
// serial_init();
|
|
|
|
// FILE* file=fopen("/initrd/prog.elf","r");
|
|
|
|
// elf_header header;
|
|
|
|
// fread(&header,sizeof(elf_header),1,file);
|
|
|
|
// if (header.magic!=ELF_MAGIC) {
|
|
|
|
// klog("INFO","Invalid magic number for prog.elf");
|
|
|
|
// fclose(file);
|
|
|
|
// } else {
|
|
|
|
// fseek(file,header.prog_hdr,SEEK_SET);
|
|
|
|
// elf_pheader pheader;
|
|
|
|
// fread(&pheader,sizeof(elf_pheader),1,file);
|
|
|
|
// alloc_memory_virt(1,(void*)pheader.vaddr);
|
|
|
|
// fseek(file,pheader.offset,SEEK_SET);
|
|
|
|
// fread((void*)pheader.vaddr,pheader.filesz,1,file);
|
|
|
|
// klog("INFO","VADDR:%x",pheader.vaddr);
|
|
|
|
// func_ptr prog=(func_ptr)header.entry;
|
|
|
|
// int val=prog();
|
|
|
|
// klog("INFO","RAN PROG:%d",val);
|
|
|
|
// }
|
|
|
|
// ide_init();
|
|
|
|
// load_parts("/dev/hda");
|
|
|
|
// init_ext2();
|
|
|
|
// mount("/","/dev/hda1","ext2");
|
|
|
|
// klog("INFO","MOUNT");
|
|
|
|
// FILE* f=fopen("/file","r");
|
|
|
|
// char str[256];
|
|
|
|
// fgets(str,256,f);
|
|
|
|
// str[strlen(str)-1]='\0';
|
|
|
|
// klog("INFO","Got string %s",str);
|
|
|
|
// for(;;) {
|
|
|
|
// yield();
|
|
|
|
// }
|
|
|
|
// }
|
|
|
|
//
|
|
|
|
//
|
|
|
|
// void func() {
|
|
|
|
// for (;;);
|
|
|
|
// }
|
2019-04-25 15:46:48 -05:00
|
|
|
|
2019-02-09 14:33:29 -06:00
|
|
|
void kmain(multiboot_info_t* header) {
|
2019-04-27 09:51:32 -05:00
|
|
|
mbd=header;
|
|
|
|
cpu_init(mbd);
|
2019-04-26 10:03:16 -05:00
|
|
|
text_fb_info info;
|
2019-04-26 09:47:57 -05:00
|
|
|
// if (header->flags&MULTIBOOT_INFO_FRAMEBUFFER_INFO&&header->framebuffer_type==2) {
|
|
|
|
// info.address=(char*)(((uint32_t)header->framebuffer_addr&0xFFFFFFFF)+0xC0000000);
|
|
|
|
// info.width=header->framebuffer_width;
|
|
|
|
// info.height=header->framebuffer_height;
|
|
|
|
// } else {
|
2019-04-26 10:03:16 -05:00
|
|
|
info.address=(char*)0xffff8000000B8000;
|
|
|
|
info.width=80;
|
|
|
|
info.height=25;
|
2019-04-26 09:47:57 -05:00
|
|
|
// }
|
2019-04-26 10:03:16 -05:00
|
|
|
vga_init(info);
|
|
|
|
vga_write_string("Hello long mode world!");
|
2019-04-26 09:47:57 -05:00
|
|
|
// createTask(init);
|
|
|
|
// for (;;) {
|
|
|
|
// yield();
|
|
|
|
// }
|
2019-04-22 13:18:27 -05:00
|
|
|
for(;;);
|
2019-02-09 12:52:45 -06:00
|
|
|
}
|