[coreboot] howto build qemu bios image with VGA console support?

[Scott.Hsiao]

Dear all,
I am trying some features of coreboot.
The pre-compiled qemu images with various payload are fine but the one built
by myself is not so lucky.
Only the serail console is up but no VGA console.
 
Here are the modifications I done:
1) add two lines in the mainboard Options.lb
(src/mainboard/emulation/qemu-x86) accrording "VGA Support" document ( I
assume PCI 02:0 is add-on PCI card, is this right for QEMU?)
uses CONFIG_CONSOLE_VGA
default CONFIG_CONSOLE_VGA=1
2) add two lines in target Config.lb (target/emulation/qemu-x86)
option CONFIG_CONSOLE_VGA=1
option CONFIG_PCI_ROM_RUN=1
 
Please give me some directions to enable the VGA outout.
Thanks,
Scott Hsiao
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