Function init_dma_memory

payloads/libpayload/libc/malloc.c:88–113

void print_malloc_map(void);

void init_dma_memory(void *start, u32 size)
{
	if (dma_initialized()) {
		printf("ERROR: %s called twice!\n", __func__);
		return;
	}

	/*
	 * DMA memory might not be zeroed by coreboot on stage loading, so make
	 * sure we clear the magic cookie from last boot.
	 */
	*(hdrtype_t *)start = 0;

	dma = malloc(sizeof(*dma));
	dma->start = start;
	dma->end = start + size;
	dma->align_regions = NULL;

#if CONFIG(LP_DEBUG_MALLOC)
	dma->minimal_free = 0;
	dma->magic_initialized = 0;
	dma->name = "DMA";

	printf("Initialized cache-coherent DMA memory at [%p:%p]\n", start, start + size);
#endif
}

int dma_initialized(void)
{