49 lines
1.1 KiB
C
49 lines
1.1 KiB
C
#ifndef MEMBLOCK_H_
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#define MEMBLOCK_H_
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#include <stddef.h>
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#include <stdint.h>
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#define MEMBLOCK_INIT_MEMORY_REGION_COUNT 128
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#define MEMBLOCK_INIT_RESERVED_REGION_COUNT 128
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#define __for_each_mem_range(i, type_a, type_b, p_start, p_end) \
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typedef uint64_t memblock_index_t;
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typedef struct memblock_region {
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/* the address of the first byte that makes up the region */
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uintptr_t base;
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/* the address of the last byte that makes up the region */
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size_t limit;
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} memblock_region_t;
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typedef struct memblock_type {
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struct memblock_region *regions;
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unsigned int count;
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unsigned int max;
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const char *name;
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} memblock_type_t;
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typedef struct memblock {
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struct memblock_type memory;
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struct memblock_type reserved;
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} memblock_t;
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typedef struct memblock_iter {
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memblock_index_t idx;
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uintptr_t base;
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size_t limit;
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} memblock_iter_t;
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extern memblock_t memblock;
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extern int __next_mem_range(memblock_iter_t *it);
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extern int memblock_add(uintptr_t base, size_t size);
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extern int memblock_reserve(uintptr_t base, size_t size);
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extern uintptr_t memblock_alloc(size_t size);
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#endif
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