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[Feature] Support MTRR and PAT (page attribute table) #180

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82marbag opened this issue Jul 12, 2021 · 0 comments · Fixed by #261
Closed

[Feature] Support MTRR and PAT (page attribute table) #180

82marbag opened this issue Jul 12, 2021 · 0 comments · Fixed by #261
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@82marbag
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feature New feature or request Priority: 2 Very important feature

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82marbag commented Jul 12, 2021 •
edited by wipawel
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Is your feature request related to a problem? Please describe.

This feature request is to support page attribute tables and memory type range registers.

Useful for #179 too

Describe the solution you'd like

Have an API to configure the registers to control how memory is cached.

Describe alternatives you've considered
Keep using MSR's wherever possible.

Additional context
@82marbag 82marbag added the feature New feature or request label Jul 12, 2021
@wipawel wipawel changed the title [Feature] Support PAT (page attribute table) [Feature] Support MTRR and PAT (page attribute table) Aug 12, 2021
@82marbag 82marbag self-assigned this Sep 6, 2021
@wipawel wipawel added the Priority: 2 Very important feature label Jan 29, 2022
@82marbag 82marbag mentioned this issue Jan 31, 2022
Merged
82marbag added a commit to 82marbag/ktf that referenced this issue Feb 25, 2022
@82marbag
Memory-Type Range Registers (MTRR) support
92cc9dc 
This change introduces support for MTRRs. PAT support has already been added.
This is an older way to control access and cacheability of physical memory regions.

Issue KernelTestFramework#180

Signed-off-by: Daniele Ahmed <[email protected]>
@82marbag 82marbag mentioned this issue Feb 25, 2022
Merged
82marbag added a commit to 82marbag/ktf that referenced this issue Mar 13, 2022
@82marbag
Memory-Type Range Registers (MTRR) support
a35f67f 
This change introduces support for MTRRs. PAT support has already been added.
This is an older way to control access and cacheability of physical memory regions.

Issue KernelTestFramework#180

Signed-off-by: Daniele Ahmed <[email protected]>
wipawel pushed a commit that referenced this issue Mar 13, 2022
@82marbag @wipawel
Memory-Type Range Registers (MTRR) support
51d8998 
This change introduces support for MTRRs. PAT support has already been added.
This is an older way to control access and cacheability of physical memory regions.

Issue #180

Signed-off-by: Daniele Ahmed <[email protected]>
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Memory-Type Range Registers (MTRR) support 82marbag/ktf
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@wipawel @82marbag