2 #include <console/console.h>
7 #define MALLOCDBG(x...) printk(BIOS_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 */
13 void *malloc(size_t size)
17 MALLOCDBG("%s Enter, size %ld, free_mem_ptr %p\n", __func__, size, free_mem_ptr);
19 /* Checking arguments */
21 die("Error! malloc: size < 0");
23 /* Overzealous linker check */
24 if (free_mem_ptr <= 0)
25 die("Error! malloc: Free_mem_ptr <= 0");
27 free_mem_ptr = (void *)ALIGN((unsigned long)free_mem_ptr, 4);
29 p = (void *) free_mem_ptr;
32 if (free_mem_ptr >= free_mem_end_ptr)
33 die("Error! malloc: Out of memory (free_mem_ptr >= free_mem_end_ptr)");
35 MALLOCDBG("malloc %p\n", p);
40 void free(void *where)
43 MALLOCDBG("free %p\n", where);