bond/mm/phys.c

40 lines
996 B
C

#include <mm/phys.h>
#include <arch/pmap.h>
struct mm_phys_seg {
mm_paddr start;
mm_paddr stop;
};
static ATTR_UNUSED struct list_entry _freelist[MM_PHYS_MAX_POOLS][MM_PHYS_ORDER_MAX];
static struct mm_phys_seg _phys_segs[ARCH_PMAP_MAX_PHYS_SEGS];
static usize _phys_segs_sz = 0;
static struct mm_phys_seg _reserve_segs[ARCH_PMAP_MAX_PHYS_SEGS];
static usize _reserve_segs_sz = 0;
static void
_set_phys_seg(struct mm_phys_seg *seg, mm_paddr start, usize len)
{
seg->start = start;
seg->stop = start + len - 1;
}
void
mm_phys_add_phys_seg(mm_paddr start, usize len)
{
KASSERT(_phys_segs_sz < ARCH_PMAP_MAX_PHYS_SEGS, "too many physical segments!");
_set_phys_seg(&_phys_segs[_phys_segs_sz], start, len);
_phys_segs_sz++;
}
void
mm_phys_add_reserved_seg(mm_paddr start, usize len)
{
KASSERT(_reserve_segs_sz < ARCH_PMAP_MAX_PHYS_SEGS, "too many reserved segments!");
_set_phys_seg(&_reserve_segs[_reserve_segs_sz], start, len);
_reserve_segs_sz++;
}