34 lines
580 B
C
34 lines
580 B
C
#ifndef _KERNEL_MM_PMM_H
|
|
#define _KERNEL_MM_PMM_H
|
|
|
|
#include <libk/bm.h>
|
|
#include <libk/std.h>
|
|
#include <sync/spin_lock.h>
|
|
|
|
#define PMM_ALLOC_ERR ((uintptr_t)-1)
|
|
|
|
#define PMM_REGIONS_MAX 32
|
|
|
|
#define PMM_REGION_ACTIVE (1 << 0)
|
|
|
|
struct pmm_region {
|
|
struct bm bm;
|
|
uintptr_t membase;
|
|
size_t size;
|
|
uint32_t flags;
|
|
};
|
|
|
|
struct pmm {
|
|
struct pmm_region regions[PMM_REGIONS_MAX];
|
|
};
|
|
|
|
void pmm_init(void);
|
|
|
|
uintptr_t pmm_alloc(size_t nblks);
|
|
|
|
uintptr_t pmm_alloc_aligned(size_t nblks, size_t align_pages);
|
|
|
|
void pmm_free(uintptr_t p_addr, size_t nblks);
|
|
|
|
#endif // _KERNEL_MM_PMM_H
|