2 #include <console/console.h>
7 #define MALLOCDBG(x...) printk_spew(x)
9 extern unsigned char _heap, _eheap;
10 static void *free_mem_ptr = &_heap; /* Start of heap */
11 static void *free_mem_end_ptr = &_eheap; /* End of heap */
14 void malloc_mark(malloc_mark_t *place)
16 *place = (malloc_mark_t)free_mem_ptr;
17 printk_spew("malloc_mark %p\n", free_mem_ptr);
20 void malloc_release(malloc_mark_t *ptr)
22 free_mem_ptr = (void *)*ptr;
23 printk_spew("malloc_release %p\n", free_mem_ptr);
26 void *malloc(size_t size)
30 MALLOCDBG("%s Enter, size %ld, free_mem_ptr %p\n", __func__, size, free_mem_ptr);
32 die("Error! malloc: Size < 0");
33 if (free_mem_ptr <= 0)
34 die("Error! malloc: Free_mem_ptr <= 0");
36 free_mem_ptr = (void *)(((unsigned long)free_mem_ptr + 3) & ~3); /* Align */
38 p = (void *) free_mem_ptr;
41 if (free_mem_ptr >= free_mem_end_ptr)
42 die("Error! malloc: free_mem_ptr >= free_mem_end_ptr");
44 MALLOCDBG("malloc %p\n", p);
49 void free(void *where)