diff options
Diffstat (limited to 'src/usr/mbox/mbox_dma_buffer.C')
| -rw-r--r-- | src/usr/mbox/mbox_dma_buffer.C | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/usr/mbox/mbox_dma_buffer.C b/src/usr/mbox/mbox_dma_buffer.C index f04c54aee..43c93c681 100644 --- a/src/usr/mbox/mbox_dma_buffer.C +++ b/src/usr/mbox/mbox_dma_buffer.C @@ -179,7 +179,8 @@ void DmaBuffer::initPhysicalArea(void*& io_addr, uint64_t& o_phys) // Move the physical address to the start of the node (unsecure) and // add on the DMA buffer offset inside the node. o_phys &= ~(hrmor_base-1); - o_phys += VmmManager::MBOX_DMA_ADDR; + o_phys += reinterpret_cast<uint64_t>(io_addr) + + VMM_UNSECURE_RESERVED_MEMORY_BASEADDR; // Allocate a new VMM block for the buffer. io_addr = mm_block_map(reinterpret_cast<void*>(o_phys), @@ -195,5 +196,7 @@ void DmaBuffer::initPhysicalArea(void*& io_addr, uint64_t& o_phys) reinterpret_cast<uint64_t*>(VmmManager::MBOX_DMA_SIZE + reinterpret_cast<uint64_t>(io_addr))); + memset(io_addr, '\0', VmmManager::MBOX_DMA_SIZE); + } |
