#include <stdlib.h>
#include <console/console.h>
-#if 0
-#define MALLOCDBG(x)
+#if CONFIG_DEBUG_MALLOC
+#define MALLOCDBG(x...) printk(BIOS_SPEW, x)
#else
-#define MALLOCDBG(x...) printk_spew(x)
+#define MALLOCDBG(x...)
#endif
+
extern unsigned char _heap, _eheap;
static void *free_mem_ptr = &_heap; /* Start of heap */
static void *free_mem_end_ptr = &_eheap; /* End of heap */
-
-void malloc_mark(malloc_mark_t *place)
-{
- *place = (malloc_mark_t)free_mem_ptr;
- printk_spew("malloc_mark %p\n", free_mem_ptr);
-}
-
-void malloc_release(malloc_mark_t *ptr)
-{
- free_mem_ptr = (void *)*ptr;
- printk_spew("malloc_release %p\n", free_mem_ptr);
-}
-
void *malloc(size_t size)
{
void *p;
MALLOCDBG("%s Enter, size %ld, free_mem_ptr %p\n", __func__, size, free_mem_ptr);
- if (size < 0)
- die("Error! malloc: Size < 0");
+
+ /* Overzealous linker check */
if (free_mem_ptr <= 0)
die("Error! malloc: Free_mem_ptr <= 0");
- free_mem_ptr = (void *)(((unsigned long)free_mem_ptr + 3) & ~3); /* Align */
+ free_mem_ptr = (void *)ALIGN((unsigned long)free_mem_ptr, 4);
p = (void *) free_mem_ptr;
free_mem_ptr += size;
if (free_mem_ptr >= free_mem_end_ptr)
- die("Error! malloc: free_mem_ptr >= free_mem_end_ptr");
+ die("Error! malloc: Out of memory (free_mem_ptr >= free_mem_end_ptr)");
MALLOCDBG("malloc %p\n", p);
void free(void *where)
{
/* Don't care */
+ MALLOCDBG("free %p\n", where);
}