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AP_HAL_ChibiOS: fix alignment for Ethernet safe memory

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bugobliterator 2023-08-02 16:54:02 +10:00 committed by Andrew Tridgell
parent cdab1067f0
commit cf6fd6717b
1 changed files with 9 additions and 1 deletions
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10
libraries/AP_HAL_ChibiOS/hwdef/common/malloc.c
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@ -127,7 +127,15 @@ static void *malloc_flags(size_t size, uint32_t flags)
return NULL;
}
const uint8_t dma_flags = (MEM_REGION_FLAG_DMA_OK | MEM_REGION_FLAG_AXI_BUS | MEM_REGION_FLAG_ETH_SAFE);
const uint8_t alignment = (flags&dma_flags?DMA_ALIGNMENT:MIN_ALIGNMENT);
size_t alignment = (flags&dma_flags?DMA_ALIGNMENT:MIN_ALIGNMENT);
if (flags & MEM_REGION_FLAG_ETH_SAFE) {
// alignment needs to same as size
alignment = size;
// also size needs to be power of 2, if not return NULL
if ((size & (size-1)) != 0) {
return NULL;
}
}
void *p = NULL;
uint8_t i;