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2020-03-31mb/emulation/qemu-q35: Enable CHROMEOS as an optionDuncan Laurie
Allow Chrome OS to be enabled for this QEMU target. By default this does not change anything unless it is selected in the build configuration, but it makes it possible. Native VGA init is not forced when Chrome OS is enabled because the drm-bochs driver does not work with chrome (even the latest upstream kernel driver with drm atomic support) but it does work with virtio. The coreboot graphics init needs to match what is selected with qemu (with -vga std or -vga virtio) which in turn will determine which kernel driver is used. A second FMAP is added with both RW-A and RW-B regions which is required by chromeos. Recovery mode can be entered by supplying a custom fw_cfg option when launching qemu: -fw_cfg name=opt/cros/recovery,string=1 Change-Id: I24b4532ea961e68558663292c99d121f0a30ce3b Signed-off-by: Duncan Laurie <dlaurie@google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/39837 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Patrick Georgi <pgeorgi@google.com>