Android System Programming

Initializing uvesafb in x86vbox

The initialization of uvesafb in x86vbox is done in the start up script init.sh. If we recall the discussion on HAL initialization in Chapter 8, Creating Your Own Device on VirtualBox, we can see the following code in init.sh. We discussed the initialization of graphics HAL in Chapter 8, Creating Your Own Device on VirtualBox briefly, and we can look into the details now:

function init_uvesafb() {     case "$PRODUCT" in         ET2002*)             UVESA_MODE=${UVESA_MODE:-1600x900}             ;;         *)             ;;     esac     [ "$HWACCEL" = "0" ] && bpp=16 || bpp=32     modprobe uvesafb mode_option=${UVESA_MODE:-1024x768}-$bpp ${UVESA_OPTION:-        mtrr=3 scroll=redraw} } function init_hal_gralloc() {     case "$(cat /proc/fb | head -1)" in         *virtiodrmfb) # set_property ...