41 lines
921 B
C
41 lines
921 B
C
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#ifndef _KERNEL_MEM_PMM_H
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#define _KERNEL_MEM_PMM_H
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#include <algo/bitmap.h>
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#include <libkern/types.h>
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#include <mem/boot.h>
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#include <platform/generic/pmm/settings.h>
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struct pmm_state {
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size_t kernel_va_base;
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size_t kernel_data_size; // Kernel + MAT size.
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bitmap_t mat;
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boot_args_t* boot_args;
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size_t ram_size;
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size_t ram_offset;
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size_t max_blocks;
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size_t used_blocks;
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};
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typedef struct pmm_state pmm_state_t;
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void pmm_setup(boot_args_t* boot_args);
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void* pmm_alloc(size_t size);
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void* pmm_alloc_aligned(size_t size, size_t alignment);
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int pmm_free(void* ptr, size_t size);
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size_t pmm_get_ram_size();
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size_t pmm_get_max_blocks();
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size_t pmm_get_used_blocks();
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size_t pmm_get_free_blocks();
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size_t pmm_get_block_size();
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size_t pmm_get_ram_in_kb();
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size_t pmm_get_free_space_in_kb();
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const pmm_state_t* pmm_get_state();
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const boot_args_t* boot_args();
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#endif // _KERNEL_MEM_PMM_H
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