6ea8fe1a27
Calling k_bootstrap() from boot.asm in segmented mode git-svn-id: svn://anubis/hos/trunk@25 5b3e749e-e535-0410-8002-a9bb6afbdfca
27 lines
802 B
C
27 lines
802 B
C
|
|
#include "hos_types.h"
|
|
#include "hos_defines.h"
|
|
#include "multiboot.h"
|
|
#include "k_early_panic.h"
|
|
|
|
#define DEBUG_LETTER(col,chr) *(u16_t *)(CONSOLE_MEMORY + 160 * 8 + (col) * 2) \
|
|
= 0x0700 | (chr)
|
|
|
|
/**************************************************************************
|
|
* This function is invoked before paging is enabled. Segmentation is *
|
|
* utilized to map virtual address 0xE000_0000 to physical address 0x0. *
|
|
*************************************************************************/
|
|
u32_t k_bootstrap(mb_info_t * mb_info, u32_t mb_magic)
|
|
{
|
|
DEBUG_LETTER(2, 'c');
|
|
|
|
if (mb_magic != MB_BOOTLOADER_MAGIC)
|
|
{
|
|
k_early_panic("Bad multiboot magic identifier!");
|
|
}
|
|
|
|
DEBUG_LETTER(3, 'd');
|
|
|
|
return 0;
|
|
}
|