boot/pc/x86_64/stage1.c

   1 /*
   2 ** Copyright 2001-2008, Travis Geiselbrecht. All rights reserved.
   3 ** Distributed under the terms of the NewOS License.
   4 */
   5 #include <string.h>
   6 #include <stdarg.h>
   7 #include <stdio.h>
   8 #include <boot/stage2.h>
   9 #include "stage2_priv.h"
  10 #include "inflate.h"
  11
  12 extern void *_payload_start;
  13 extern void *_payload_end;
  14 #define TARGET ((void *)0x400000) // 4MB
  15
  16 void stage1_main(void *multiboot_info);
  17
  18 void stage1_main(void *multiboot_info)
  19 {
  20         unsigned long len;
  21
  22         clearscreen();
  23
  24         dprintf("stage1 boot\n");
  25
  26         dprintf("decompressing system, payload at %p...\n", &_payload_start);
  27         len = gunzip((unsigned char const *)&_payload_start, TARGET, kmalloc(32*1024));
  28
  29         stage2_main(multiboot_info, 0, 0, 0);
  30 }
  31