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Lines 27-32
static char *malloc_ptr = (char *) MALLOC_BASE;
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static char *last_alloc = 0; |
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static char *last_alloc = 0; |
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static char *align_ptr_to(char *ptr, unsigned long align) |
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{ |
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return (char *) ((((unsigned long) ptr) + (align - 1UL)) & |
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~(align - 1UL)); |
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} |
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void *malloc (int size) |
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void *malloc (int size) |
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{ |
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{ |
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char *caddr; |
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char *caddr; |
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Lines 34-43
void *malloc (int size)
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caddr = malloc_ptr; |
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caddr = malloc_ptr; |
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malloc_ptr += size; |
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malloc_ptr += size; |
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last_alloc = caddr; |
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last_alloc = caddr; |
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malloc_ptr = (char *) ((((unsigned long) malloc_ptr) + 7) & (~7)); |
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malloc_ptr = align_ptr_to(malloc_ptr, 8UL); |
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return caddr; |
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return caddr; |
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} |
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} |
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int posix_memalign(void **memptr, unsigned long alignment, unsigned long size) |
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{ |
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char *caddr; |
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if (alignment & (alignment - 1UL)) |
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return -1; |
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if (alignment & (sizeof(void *) - 1UL)) |
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return -1; |
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if (size == 0) { |
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*memptr = (void *) 0; |
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return 0; |
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} |
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caddr = align_ptr_to(malloc_ptr, alignment); |
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malloc_ptr = (caddr + size); |
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last_alloc = caddr; |
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malloc_ptr = align_ptr_to(malloc_ptr, 8UL); |
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*memptr = caddr; |
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return 0; |
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} |
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void free (void *m) |
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void free (void *m) |
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{ |
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{ |
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if (m == last_alloc) |
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if (m == last_alloc) |
