mirror of https://github.com/tailix/libkernaux.git
61 lines
1.7 KiB
C
61 lines
1.7 KiB
C
#ifndef KERNAUX_INCLUDED_MEMMAP
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#define KERNAUX_INCLUDED_MEMMAP
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdbool.h>
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#include <stddef.h>
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#define KERNAUX_MEMMAP_ENTRIES_MAX 100
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#define KERNAUX_MEMMAP_ENTRY_TAG_SLEN_MAX 24
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#define KERNAUX_MEMMAP_ENTRY_TAG_SIZE_MAX (KERNAUX_MEMMAP_ENTRY_TAG_SLEN_MAX + 1)
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typedef const struct KernAux_MemMap_Entry {
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bool is_available;
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char tag[KERNAUX_MEMMAP_ENTRY_TAG_SIZE_MAX];
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size_t start, size, end, limit;
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} *KernAux_MemMap_Entry;
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typedef struct KernAux_MemMap {
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bool is_finished;
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size_t memory_size;
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size_t entries_count;
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struct KernAux_MemMap_Entry entries[KERNAUX_MEMMAP_ENTRIES_MAX];
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} KernAux_MemMap[1];
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struct KernAux_MemMap KernAux_MemMap_create(size_t memory_size);
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void KernAux_MemMap_init(KernAux_MemMap memmap, size_t memory_size);
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/// @warning Must only be called with NOT finished memmap, otherwise panics.
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bool KernAux_MemMap_add_entry(
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KernAux_MemMap memmap,
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bool is_available,
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const char *tag,
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size_t start,
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size_t size
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);
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/// @warning Must only be called with NOT finished memmap, otherwise panics.
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bool KernAux_MemMap_finish(KernAux_MemMap memmap);
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/// @warning Must only be called with finished memmap, otherwise panics.
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KernAux_MemMap_Entry
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KernAux_MemMap_entry_by_index(KernAux_MemMap memmap, size_t index);
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/// @warning Must only be called with finished memmap, otherwise panics.
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KernAux_MemMap_Entry
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KernAux_MemMap_entry_by_start(KernAux_MemMap memmap, size_t start);
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/// @warning Must only be called with finished memmap, otherwise panics.
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KernAux_MemMap_Entry
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KernAux_MemMap_entry_by_addr(KernAux_MemMap memmap, size_t addr);
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#ifdef __cplusplus
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}
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#endif
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#endif
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