The circbuf part is implemented by the fb driver, and goldfish needs to delete the part related to circbuf and adapt to the interface of the fb driver. Signed-off-by: jianglianfang <jianglianfang@xiaomi.com>
the register definition is described here: https://android.googlesource.com/platform/external/qemu/+/master/docs/GOLDFISH-VIRTUAL-HARDWARE.TXT Goldfish-FB driver is to communicate with Goldfish-FB in QEMU, and push the framebuffer data to the emulator for display on the screen. test: CONFIG_GOLDFISH_FB =1, and run demo=>lvgldemo widgets Signed-off-by: jianglianfang <jianglianfang@xiaomi.com>