58 lines
1.5 KiB
C
58 lines
1.5 KiB
C
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/**
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* KHeap section header of rockOS
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* Copyright (C) 2022 Furkan Mudanyali
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, _either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef _ROCKOS_KHEAP_H
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#define _ROCKOS_KHEAP_H
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#include <stdint.h>
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#include <rockos/data_struct/sorted_array.h>
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#define KHEAP_START 0xC0000000
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#define KHEAP_INITIAL_SIZE 0x100000
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#define HEAP_INDEX_SIZE 0x20000
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#define HEAP_MAGIC 0x06163474
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#define HEAP_MIN_SIZE 0x70000
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typedef struct {
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uint32_t magic;
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uint8_t hole;
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uint32_t size;
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} Header;
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typedef struct {
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uint32_t magic;
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Header* header;
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} Footer;
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typedef struct {
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SortedArray index;
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uint32_t addr_start;
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uint32_t addr_end;
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uint32_t addr_max;
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uint8_t supervisor;
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uint8_t readonly;
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} Heap;
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Heap* HeapCreate(uint32_t, uint32_t, uint32_t, uint8_t, uint8_t);
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void* alloc(uint32_t, uint8_t, Heap*);
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void free(void*, Heap*);
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uint32_t kmalloc_int(uint32_t, uint8_t, uint32_t*);
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uint32_t kmalloc(uint32_t);
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void kfree(void*);
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#endif
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