hos/kernel/mm/mm.c
josh be8d6015ff Added mm_record_mmap_entry() and calls to it in k_bootstrap().
git-svn-id: svn://anubis/hos/trunk@26 5b3e749e-e535-0410-8002-a9bb6afbdfca
2009-06-30 21:29:44 +00:00

31 lines
925 B
C

#include "mm.h"
#include "boot/k_early_panic.h"
#define MM_MAX_MMAP_ENTRIES 64
pagedirectory_t page_directory __attribute__ ((aligned (4096)));
static mm_mem_range_t mm_mmap_entries[MM_MAX_MMAP_ENTRIES];
static int mm_mmap_num_entries = 0;
/**************************************************************************
* This function is run in segmented memory before paging is in effect. *
*************************************************************************/
void mm_record_mmap_entry(mb_mmap_t * mmap)
{
if (mm_mmap_num_entries < MM_MAX_MMAP_ENTRIES)
{
if (mmap->type == MB_MMAP_TYPE_RAM)
{
mm_mmap_entries[mm_mmap_num_entries].base = mmap->base;
mm_mmap_entries[mm_mmap_num_entries].length = mmap->length;
mm_mmap_num_entries++;
}
}
else
{
k_early_panic("Too many mmap_entries!");
}
}