Improved EFI support towards Windows guest #114
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Signed-off-by: Akira Moroo <[email protected]>
The Windows bootloader seems to use the function to calibrate the clock and timer. Signed-off-by: Akira Moroo <[email protected]>
Signed-off-by: Akira Moroo <[email protected]>
As per UEFI Specification 2.8[1] section 2.3.4, the stack space is 128 KiB or more for x64. [1] https://uefi.org/sites/default/files/resources/UEFI%20Spec%202.8B%20May%202020.pdf Signed-off-by: Akira Moroo <[email protected]>
This is a workaround for Windows10 20H2 BSoD. Signed-off-by: Akira Moroo <[email protected]>
The "fat" LTO causes stuck on Windows 10 20H2 boot with release build. Signed-off-by: Akira Moroo <[email protected]>
The workaround introduced in ff50324 causes kernel panic on the recent Linux kernel during calling RuntimeServices.set_virtual_address_map. This is because the region reported as RuntimeServicesData type is actually text section which seems to be mapped to non-executable pages. In this commit, it registers the text section as RuntimeServicesCode and the other firmware regions are reported as RuntimeServicesData. Signed-off-by: Akira Moroo <[email protected]>
retrage
approved these changes
Apr 22, 2021
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@retrage After your last commit I have to admit I didn't retest Windows. Did it work for you? I get the following error: Going back to 282ebc0 makes Windows boot fine. So I think there needs to be a little bit more refinement on the memory map. |
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@rbradford I got a different error, and the previous commit 282ebc0 works too. I had to run regression tests before pushing them... |
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This is the subset of patches from #110 without the integration tests for Windows. I would like to merge these and then make a new release here and use that in CH's upcoming release. However the Windows integration tests here need a fix that is not yet in a released CH.