Direct memory access (DMA) is a feature of modern computers and microprocessors that allows certain hardware subsystems within the computer to access system memory for reading and/or writing independently of the central processing unit.
I am trying to understand how PCI Express works so i can write a windows driver that can read and …
memory memory-management dma pci pci-eI am working on a Linux module for IA64. My current problem is that the driver uses the PAGE_SIZE …
memory-management linux-device-driver dmaI want to get data from a DMA enabled, PCIe hardware device into user-space as quickly as possible. Q: How …
linux linux-kernel linux-device-driver dmaI have some questions on cache synchronization operations. Invalidate: Before cpu tries to read a portion of memory updated by …
caching hardware driver device-driver dmaI'm trying to get UART transmit working over DMA on an stm32f405. This part of my application is designed …
fifo stm32 uart dma stm32f4discoveryLet's suppose a CPU wants to make a DMA read transfer from a PCI Express device. Communication to PCI Express …
dma pci-eI'm a little unclear on differences between DMA and interrupt I/O. (Currently reading Operating Systems Concepts, 7th ed). Specifically, …
architecture operating-system driver interrupt dmaI am having trouble aligning memory for DMA transfer on the Cell processor. I need the last 4 bits of an …
c memory-alignment dma