Raspberry-Pi-DMA-Example

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How to solve os error : no memory to allocate with /dev/vcio

kosepsea

dma-example.c

1

I use qemu to simulate the Raspberry Pi, after executing the program, can not read “hello world”.

luo-meng

L2 cache bypassing allocation hangs the system

5

In an attempt to get DMA access to Raspberry Pi 3 working from user space, ported the safe L2 cache bypassing allocation code from `dma-gpio.c` over to `dma-example.c`, the code...

juj

Raspberry Pi 2 Support

6

**EDIT:** This attempt does not really work or only sometimes. For any future reader: To get this example working on a Raspberry Pi 2 B i had to replace [this...

MaPePeR