35 lines
1.5 KiB
C
35 lines
1.5 KiB
C
// SPDX-License-Identifier: MPL-2.0
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#ifndef SH_LIB_HEAP_H
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#define SH_LIB_HEAP_H
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#include "memory/page.h"
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#include "memory/pba.h"
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#include "memory/pez/pez.h"
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#include "memory/pez/radix.h"
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#include "memory/slabs/slab_generic.h"
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#include "std/status.h"
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#include "std/type.h"
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// Heap structure
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typedef struct {
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sh_pez_PHYSICAL_PLANE *phys_plane;
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sh_pez_VIRTUAL_PLANE *virt_plane;
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sh_page_PAGE_TABLE_POOL *kernel_ptp;
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struct sh_slab_generic_SLAB_ALLOCATOR slabs_allocator[8];
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sh_pba_PAGE_BLOCK_ALLOCATOR pba[8];
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sh_radix_TREE alloc_size_tree;
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} sh_heap_KERNEL_HEAP;
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// Return default kernel heap
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sh_heap_KERNEL_HEAP *sh_heap_get_default_heap();
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// Load default kernel heap
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void sh_heap_load_default_heap(sh_heap_KERNEL_HEAP *heap);
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// Initialize heap structure, calling entity need to input manually all slabs allocator.
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SH_STATUS sh_heap_init_heap(sh_pez_PHYSICAL_PLANE *phys_plane,sh_pez_VIRTUAL_PLANE *virt_plane,sh_page_PAGE_TABLE_POOL *kernel_ptp,sh_heap_KERNEL_HEAP *kernel_heap);
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// Allocate a certain amount of pages from Pez physical backend
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SH_STATUS sh_heap_allocate_pages(sh_uint32 pages_count,sh_page_VIRTUAL_ADDRESS *address);
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// Free a allocated region of pages from the heap
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SH_STATUS sh_heap_free_pages(sh_page_VIRTUAL_ADDRESS va);
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// Allocate a certain object based on his size
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SH_STATUS sh_heap_allocate_object(sh_uint32 size_bytes,sh_page_VIRTUAL_ADDRESS *address);
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// Free a certain object based on his size
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SH_STATUS sh_heap_free_object(sh_page_VIRTUAL_ADDRESS va);
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#endif
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