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