Files
mop3/kernel/mm/pmm.h
2025-12-21 22:53:25 +01:00

32 lines
565 B
C

#ifndef _KERNEL_MM_PMM_H
#define _KERNEL_MM_PMM_H
#include <libk/bm.h>
#include <libk/std.h>
#include <mm/types.h>
#include <sync/spin_lock.h>
#define PMM_ALLOC_ERR ((physaddr_t) - 1)
#define PMM_REGIONS_MAX 32
#define PMM_REGION_ACTIVE (1 << 0)
struct pmm_region {
spin_lock_t lock;
struct bm bm;
physaddr_t membase;
size_t size;
uint32_t flags;
};
struct pmm {
struct pmm_region regions[PMM_REGIONS_MAX];
};
void pmm_init (void);
physaddr_t pmm_alloc (size_t nblks);
void pmm_free (physaddr_t p_addr, size_t nblks);
#endif // _KERNEL_MM_PMM_H