W dniu 17.06.2024 o 10:39, Ard Biesheuvel pisze:
If we draw logo at odd coords then BootLogoLib goes into exception and
boot process ends:
Synchronous Exception at 0x00000101FB943E48
PC 0x0101FB943E48 (0x0101FB93F000+0x00004E48) [ 0] QemuVideoDxe.dll
PC 0x0101FB943314 (0x0101FB93F000+0x00004314) [ 0] QemuVideoDxe.dll
PC 0x0101FB92F798 (0x0101FB92D000+0x00002798) [ 1] ConSplitterDxe.dll
PC 0x0101FBA96BC4 (0x0101FBA8E000+0x00008BC4) [ 2] BdsDxe.dll
PC 0x0101FF7FDF50 (0x0101FF7F3000+0x0000AF50) [ 3] DxeCore.dll
This change resizes logo from 193x58 to 194x58px to make it's sizes
even. And if coords are odd then they are bumped a bit to make things
work.
Signed-off-by: Marcin Juszkiewicz<[email protected]>
This should be fixed in the SBSA firmware
One coffee was not enough so I sent it to QEMU devel instead of EDK2
devel mailing list...
unaligned accesses are fine on arm64 as long as they don't target
device memory. So this likely implies that the framebuffer is
mapped with device attributes while it should be mapped > normal-non-cacheable.
OK, so need to go through QEMU source now.
