diff options
Diffstat (limited to 'payloads/libpayload/libc')
| -rw-r--r-- | payloads/libpayload/libc/malloc.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/payloads/libpayload/libc/malloc.c b/payloads/libpayload/libc/malloc.c index 618d8b3b93..11dfeefadd 100644 --- a/payloads/libpayload/libc/malloc.c +++ b/payloads/libpayload/libc/malloc.c @@ -83,7 +83,7 @@ static int minimal_free = 0; void init_dma_memory(void *start, u32 size) { #ifdef CONFIG_LP_DEBUG_MALLOC - if (dma != heap) { + if (dma_initialized()) { printf("WARNING: %s called twice!\n"); return; } @@ -97,6 +97,17 @@ void init_dma_memory(void *start, u32 size) dma->align_regions = NULL; } +int dma_initialized() +{ + return dma != heap; +} + +/* For boards that don't initialize DMA we assume all locations are coherent */ +int dma_coherent(void *ptr) +{ + return !dma_initialized() || (dma->start <= ptr && dma->end > ptr); +} + static void setup(hdrtype_t volatile *start, int size) { *start = FREE_BLOCK(size); @@ -120,7 +131,7 @@ static void *alloc(int len, struct memory_type *type) /* Make sure the region is setup correctly. */ if (!HAS_MAGIC(*ptr)) - setup(ptr, (int)((&_eheap - &_heap) - HDRSIZE)); + setup(ptr, (int)((type->end - type->start) - HDRSIZE)); /* Find some free space. */ do { @@ -470,6 +481,6 @@ void print_malloc_map(void) if (free_memory && (minimal_free > free_memory)) minimal_free = free_memory; printf("Maximum memory consumption: %d bytes\n", - (unsigned int)(&_eheap - &_heap) - HDRSIZE - minimal_free); + (unsigned int)(heap->end - heap->start) - HDRSIZE - minimal_free); } #endif |