2022-07-18 21:28:03 +02:00
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#pragma once
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#include <stdbool.h>
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#include <stddef.h>
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#define PMM_BLOCKS_PER_BYTE 8
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#define PMM_BLOCK_SIZE 4096
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#define PMM_BLOCK_ALIGN PMM_BLOCK_SIZE
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typedef uint32_t phys_addr;
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int pmm_map_first_free();
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int pmm_map_first_free_s(size_t size);
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void pmm_initialize(size_t mem_size, phys_addr bitmap);
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void pmm_init_region(phys_addr base, size_t size);
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void pmm_deinit_region(phys_addr base, size_t size);
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void *pmm_alloc_block();
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void pmm_free_block(void *p);
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void *pmm_alloc_blocks(size_t size);
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void pmm_free_blocks(void *p, size_t size);
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size_t pmm_get_memory_size();
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uint32_t pmm_get_block_count();
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uint32_t pmm_get_used_block_count();
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uint32_t pmm_get_free_block_count();
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2022-07-23 01:42:19 +02:00
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void __attribute__((cdecl)) pmm_paging_enable(bool enabled);
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bool __attribute__((cdecl)) pmm_is_paging();
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void __attribute__((cdecl)) pmm_load_pdbr(phys_addr addr);
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phys_addr __attribute__((cdecl)) pmm_get_pdbr();
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