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MdePkg.dec: RISC-V: Define override bit for Svpbmt extension 

Define the BIT 2 as the override bit for Svpbmt extension. This will
be used by RISC-V MMU library to support EFI_MEMORY_UC and
EFI_MEMORY_WC.

Cc: Liming Gao <gaoliming@byosoft.com.cn>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Zhiguang Liu <zhiguang.liu@intel.com>
Signed-off-by: Tuan Phan <tphan@ventanamicro.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Sunil V L <sunilvl@ventanamicro.com>
This commit is contained in:
Tuan Phan 2024-03-14 13:19:14 -07:00 committed by mergify[bot]
parent c98c14576f
commit f1203a4099
1 changed files with 2 additions and 0 deletions
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MdePkg/MdePkg.dec
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@ -2413,6 +2413,8 @@
# previous stage has feature enabled and user wants to disable it.
# BIT 1 = Supervisor Time Compare (Sstc). This bit is relevant only if
# previous stage has feature enabled and user wants to disable it.
# BIT 2 = Page-Based Memory Types (Pbmt). This bit is relevant only if
# previous stage has feature enabled and user wants to disable it.
#
gEfiMdePkgTokenSpaceGuid.PcdRiscVFeatureOverride|0xFFFFFFFFFFFFFFFF|UINT64|0x69