3 #include <console/console.h>
8 #define MALLOCDBG(x) printk_spew x
10 extern unsigned char _heap, _eheap;
11 static size_t free_mem_ptr = (size_t)&_heap; /* Start of heap */
12 static size_t free_mem_end_ptr = (size_t)&_eheap; /* End of heap */
15 void malloc_mark(malloc_mark_t *place)
17 *place = free_mem_ptr;
18 printk_spew("malloc_mark 0x%08lx\n", (unsigned long)free_mem_ptr);
21 void malloc_release(malloc_mark_t *ptr)
24 printk_spew("malloc_release 0x%08lx\n", (unsigned long)free_mem_ptr);
27 void *malloc(size_t size)
31 MALLOCDBG(("%s Enter, size %d, free_mem_ptr %p\n", __FUNCTION__, size, free_mem_ptr));
33 die("Error! malloc: Size < 0");
34 if (free_mem_ptr <= 0)
35 die("Error! malloc: Free_mem_ptr <= 0");
37 free_mem_ptr = (free_mem_ptr + 3) & ~3; /* Align */
39 p = (void *) free_mem_ptr;
42 if (free_mem_ptr >= free_mem_end_ptr)
43 die("Error! malloc: Free_mem_ptr >= free_mem_end_ptr");
45 MALLOCDBG(("malloc 0x%08lx\n", (unsigned long)p));
50 void free(void *where)