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60 lines
1.2 KiB
C
60 lines
1.2 KiB
C
#ifndef __LWP_HEAP_H__
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#define __LWP_HEAP_H__
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#include <gctypes.h>
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#include "machine/asm.h"
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#define HEAP_BLOCK_USED 1
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#define HEAP_BLOCK_FREE 0
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#define HEAP_DUMMY_FLAG (0+HEAP_BLOCK_USED)
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#define HEAP_OVERHEAD (sizeof(u32)*2)
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#define HEAP_BLOCK_USED_OVERHEAD (sizeof(void*)*2)
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#define HEAP_MIN_SIZE (HEAP_OVERHEAD+sizeof(heap_block))
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct _heap_block_st heap_block;
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struct _heap_block_st {
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u32 back_flag;
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u32 front_flag;
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heap_block *next;
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heap_block *prev;
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};
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typedef struct _heap_iblock_st {
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u32 free_blocks;
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u32 free_size;
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u32 used_blocks;
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u32 used_size;
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} heap_iblock;
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typedef struct _heap_cntrl_st {
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heap_block *start;
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heap_block *final;
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heap_block *first;
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heap_block *perm_null;
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heap_block *last;
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u32 pg_size;
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u32 reserved;
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} heap_cntrl;
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u32 __lwp_heap_init(heap_cntrl *theheap,void *start_addr,u32 size,u32 pg_size);
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void* __lwp_heap_allocate(heap_cntrl *theheap,u32 size);
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BOOL __lwp_heap_free(heap_cntrl *theheap,void *ptr);
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u32 __lwp_heap_getinfo(heap_cntrl *theheap,heap_iblock *theinfo);
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#ifdef LIBOGC_INTERNAL
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#include <libogc/lwp_heap.inl>
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif
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