x86_64: Add support for EFI framebuffer (FS#515)

CONFIG_FB_EFI and CONFIG_FB_SIMPLE are needed to display console text on
EFI framebuffer.

CONFIG_FB_EFI is needed when the kernel is directly launched via EFI
shell or EFI startup.nsh script.

CONFIG_FB_SIMPLE is needed when launching the kernel via grub2 efi. In
this case, grub2 has prepared a gfxterm framebuffer and the kernel just
need to use the already prepared grub's gfxterm framebuffer to display
console text.

Signed-off-by: Alif M. Ahmad <alive4ever@live.com>

diff --git a/target/linux/x86/64/config-default b/target/linux/x86/64/config-default
index 0f23a9df756e9517959a008a9acc85c963e7a2f6..f1349f80e1a8786ea5a86be34fcf9e06d13e857f 100644 (file)
--- a/target/linux/x86/64/config-default
+++ b/target/linux/x86/64/config-default
@@ -115,9 +115,10 @@ CONFIG_FB_CFB_COPYAREA=y
 CONFIG_FB_CFB_FILLRECT=y
 CONFIG_FB_CFB_IMAGEBLIT=y
 CONFIG_FB_CMDLINE=y
 CONFIG_FB_CFB_FILLRECT=y
 CONFIG_FB_CFB_IMAGEBLIT=y
 CONFIG_FB_CMDLINE=y

-# CONFIG_FB_EFI is not set
+CONFIG_FB_EFI=y

 CONFIG_FB_HYPERV=y
 CONFIG_FB_MODE_HELPERS=y
 CONFIG_FB_HYPERV=y
 CONFIG_FB_MODE_HELPERS=y

+CONFIG_FB_SIMPLE=y

 CONFIG_FB_TILEBLITTING=y
 # CONFIG_FB_VESA is not set
 # CONFIG_FONTS is not set
 CONFIG_FB_TILEBLITTING=y
 # CONFIG_FB_VESA is not set
 # CONFIG_FONTS is not set