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44 lines
1.0 KiB
C
44 lines
1.0 KiB
C
/*
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*
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* (c) 2004 Laurent Vivier <Laurent@lvivier.info>
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*
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*/
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#include <malloc.h>
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#if defined(USE_MMU030) || defined(USE_MMU040)
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#define USE_MMU
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#endif
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/* physical memory information */
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#define MAX_MEM_MAP_SIZE 26
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#define KERNEL_BASEADDR 0x3000
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typedef struct memory_bank {
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unsigned long physAddr;
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unsigned long logiAddr;
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unsigned long size;
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} memory_bank_t;
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typedef struct memory_map {
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memory_bank_t bank[MAX_MEM_MAP_SIZE];
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unsigned long bank_number;
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} memory_map_t;
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extern memory_map_t memory_map;
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extern void init_memory_map();
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extern unsigned long bank_mem_avail();
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extern void bank_dump();
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#ifdef USE_MMU
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extern int logical2physical(unsigned long logical, unsigned long *physical);
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extern int physical2logical(unsigned long physical, unsigned long *logical);
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extern int check_full_in_bank(unsigned long start, unsigned long size);
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extern void *malloc_contiguous(size_t size);
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#else
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#define malloc_contiguous malloc
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#define check_full_in_bank(a,b) (1)
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#endif
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extern void *malloc_top(size_t size);
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