asm/start.h


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21

/**
  * @file
  * Defines the following sections/functions, some are linked at 
  * specific addresses in the final ELF kernel binary.
  * This is specified in the _linker.ld_ file.
  *
  * * 0x007000  .smp - entry point for application processors (16bit code)
  * * 0x100000  .multiboot - the multiboot header
  *
  * * .text
  * * .bootstrap_stack
  * * _start() - main entry point for booting cpu, calls kernel_main().
  * 
  * The addresses for .smp and .multiboot are based on the assumption:
  * * 0x00000500 - 0x00007BFF : guaranteed free to use
  * * 0x00100000 - 0x00EFFFFF : free for use (if it exists) 
  */

/** This will be called by a multiboot compilant boot-loader (i.e. grub2) */
void _start();