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UefiCpuPkg/MtrrUnitTest: Update UnitTestGetFirmwareVariableMtrrCount. 

Update UnitTestGetFirmwareVariableMtrrCount for the case the when
Fixed MTRRs are not supported.

The original implementation returns FALSE when either fixed MTRR isn't
supported or the number of variable MTRRs is 0. The correct behavior
should return FALSE only when both fixed MTRR isn't supported and the
number of variable MTRRs is 0.

Signed-off-by: Ray Ni <ray.ni@intel.com>
Cc: Eric Dong <eric.dong@intel.com>
Cc: Rahul Kumar <rahul1.kumar@intel.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>

Reviewed-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Ray Ni <ray.ni@intel.com>
This commit is contained in:
YuanhaoXie 2023-09-11 18:57:48 +08:00 committed by mergify[bot]
parent ca3f8638fa
commit f784fc0e39
1 changed files with 1 additions and 1 deletions
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UefiCpuPkg/Library/MtrrLib/UnitTest/MtrrLibUnitTest.c
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@ -550,7 +550,7 @@ UnitTestGetFirmwareVariableMtrrCount (
InitializeMtrrRegs (&SystemParameter);
PatchPcdSet32 (PcdCpuNumberOfReservedVariableMtrrs, 2);
Result = GetFirmwareVariableMtrrCount ();
UT_ASSERT_EQUAL (Result, 0);
UT_ASSERT_EQUAL (Result, SystemParameter.VariableMtrrCount - 2);
//
// Expect ASSERT() if variable MTRR count is > MTRR_NUMBER_OF_VARIABLE_MTRR