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[kernel] Initial XSAVE support implementation

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Initial support for XSAVE, but not XSAVEOPT or XSAVEC:

- Enable XSAVE and set up xcr0 for all CPUs
- Allocate XSAVE area for all non-kernel threads
- Call XSAVE and XRSTOR on task switch
This commit is contained in:
Justin C. Miller
2023-05-05 12:04:37 -06:00
parent 3b3857548c
commit b5662bfd25
12 changed files with 135 additions and 9 deletions
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2
assets/build/base.yaml
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@@ -22,7 +22,7 @@ variables:
'-DGIT_VERSION=\"${version_major}.${version_minor}.${version_patch}+${version_sha}\"',
'-DGIT_VERSION_WIDE=L\"${version_major}.${version_minor}.${version_patch}+${version_sha}\"',
"-Wformat=2", "-Winit-self", "-Wfloat-equal", "-Winline", "-Wmissing-format-attribute",
"-Wformat=2", "-Winit-self", "-Winline", "-Wmissing-format-attribute",
"-Wmissing-include-dirs", "-Wswitch", "-Wundef", "-Wdisabled-optimization",
"-Wpointer-arith", "-Wno-attributes", "-Wno-sign-compare", "-Wno-multichar",
"-Wno-div-by-zero", "-Wno-endif-labels", "-Wno-pragmas", "-Wno-format-extra-args",