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| author | YuanhaoXie <yuanhao.xie@intel.com> | 2023-07-04 11:57:02 +0800 |
|---|---|---|
| committer | mergify[bot] <37929162+mergify[bot]@users.noreply.github.com> | 2023-10-09 08:22:02 +0000 |
| commit | a519014472a309174b1a89f3fcb14fc8a33f6ce5 (patch) | |
| tree | db968d0b59770b8ca4d39283262dd3603a812c5e | |
| parent | 0d89ceae31f54befd1cfaa2e36eb7a03bdcd94b0 (diff) | |
| download | edk2-a519014472a309174b1a89f3fcb14fc8a33f6ce5.tar.gz edk2-a519014472a309174b1a89f3fcb14fc8a33f6ce5.tar.bz2 edk2-a519014472a309174b1a89f3fcb14fc8a33f6ce5.zip | |
UefiCpuPkg/MtrrUnitTest: Update UnitTestMtrrGetAllMtrrs().
Update UnitTestMtrrGetAllMtrrs() for the case that fixed MtrrLib
is not always supported
Signed-off-by: Yuanhao Xie <yuanhao.xie@intel.com>
Cc: Eric Dong <eric.dong@intel.com>
Cc: Rahul Kumar <rahul1.kumar@intel.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Ray Ni <ray.ni@intel.com>
Reviewed-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Ray Ni <ray.ni@intel.com>
| -rw-r--r-- | UefiCpuPkg/Library/MtrrLib/UnitTest/MtrrLibUnitTest.c | 99 |
1 files changed, 84 insertions, 15 deletions
diff --git a/UefiCpuPkg/Library/MtrrLib/UnitTest/MtrrLibUnitTest.c b/UefiCpuPkg/Library/MtrrLib/UnitTest/MtrrLibUnitTest.c index c1cb48379e..e16b93f2a6 100644 --- a/UefiCpuPkg/Library/MtrrLib/UnitTest/MtrrLibUnitTest.c +++ b/UefiCpuPkg/Library/MtrrLib/UnitTest/MtrrLibUnitTest.c @@ -654,6 +654,52 @@ UnitTestMtrrGetFixedMtrr ( }
/**
+ Set Random Variable and Fixed MTRRs Settings for
+ unit test of UnitTestMtrrGetAllMtrrs.
+
+ @param SystemParameter System parameter that controls the MTRR registers initialization.
+ @param ExpectedMtrrs Expected Fixed and Variable MTRRs.
+**/
+VOID
+SetRandomlyGeneratedMtrrSettings (
+ IN MTRR_LIB_SYSTEM_PARAMETER *SystemParameter,
+ IN MTRR_SETTINGS *ExpectedMtrrs
+ )
+{
+ UINT32 Index;
+ UINTN MsrIndex;
+ UINTN ByteIndex;
+ UINT64 MsrValue;
+ MSR_IA32_MTRR_DEF_TYPE_REGISTER Default;
+
+ AsmWriteMsr64 (MSR_IA32_MTRR_DEF_TYPE, ExpectedMtrrs->MtrrDefType);
+ //
+ // Randomly generate Variable MTRR BASE/MASK for a specified type and write to MSR.
+ //
+ for (Index = 0; Index < SystemParameter->VariableMtrrCount; Index++) {
+ GenerateRandomMtrrPair (SystemParameter->PhysicalAddressBits, GenerateRandomCacheType (), &ExpectedMtrrs->Variables.Mtrr[Index], NULL);
+ AsmWriteMsr64 (MSR_IA32_MTRR_PHYSBASE0 + (Index << 1), ExpectedMtrrs->Variables.Mtrr[Index].Base);
+ AsmWriteMsr64 (MSR_IA32_MTRR_PHYSMASK0 + (Index << 1), ExpectedMtrrs->Variables.Mtrr[Index].Mask);
+ }
+
+ //
+ // Set Fixed MTRRs when the Fixed MTRRs is enabled and the MTRRs is supported.
+ //
+ Default.Uint64 = AsmReadMsr64 (MSR_IA32_MTRR_DEF_TYPE);
+ if ((Default.Bits.FE == 1) && (SystemParameter->MtrrSupported == TRUE)) {
+ for (MsrIndex = 0; MsrIndex < ARRAY_SIZE (mFixedMtrrsIndex); MsrIndex++) {
+ MsrValue = 0;
+ for (ByteIndex = 0; ByteIndex < sizeof (UINT64); ByteIndex++) {
+ MsrValue = MsrValue | LShiftU64 (GenerateRandomCacheType (), ByteIndex * 8);
+ }
+
+ ExpectedMtrrs->Fixed.Mtrr[MsrIndex] = MsrValue;
+ AsmWriteMsr64 (mFixedMtrrsIndex[MsrIndex], MsrValue);
+ }
+ }
+}
+
+/**
Unit test of MtrrLib service MtrrGetAllMtrrs()
@param[in] Context Ignored
@@ -669,28 +715,51 @@ UnitTestMtrrGetAllMtrrs ( IN UNIT_TEST_CONTEXT Context
)
{
- MTRR_SETTINGS *Result;
- MTRR_SETTINGS Mtrrs;
- MTRR_SETTINGS ExpectedMtrrs;
- MTRR_VARIABLE_SETTING VariableMtrr[MTRR_NUMBER_OF_VARIABLE_MTRR];
- UINT32 Index;
- MTRR_LIB_SYSTEM_PARAMETER SystemParameter;
- MTRR_LIB_TEST_CONTEXT *LocalContext;
+ MTRR_SETTINGS *Result;
+ MTRR_SETTINGS Mtrrs;
+ MTRR_SETTINGS ExpectedMtrrs;
+ MTRR_LIB_SYSTEM_PARAMETER SystemParameter;
+ MTRR_LIB_TEST_CONTEXT *LocalContext;
+ MSR_IA32_MTRR_DEF_TYPE_REGISTER Default;
LocalContext = (MTRR_LIB_TEST_CONTEXT *)Context;
CopyMem (&SystemParameter, LocalContext->SystemParameter, sizeof (SystemParameter));
- InitializeMtrrRegs (&SystemParameter);
- for (Index = 0; Index < SystemParameter.VariableMtrrCount; Index++) {
- GenerateRandomMtrrPair (SystemParameter.PhysicalAddressBits, GenerateRandomCacheType (), &VariableMtrr[Index], NULL);
- AsmWriteMsr64 (MSR_IA32_MTRR_PHYSBASE0 + (Index << 1), VariableMtrr[Index].Base);
- AsmWriteMsr64 (MSR_IA32_MTRR_PHYSMASK0 + (Index << 1), VariableMtrr[Index].Mask);
- }
+ //
+ // For the case that Fixed MTRRs is NOT enabled
+ //
+ SystemParameter.MtrrSupported = TRUE;
+ SystemParameter.FixedMtrrSupported = FALSE;
+ InitializeMtrrRegs (&SystemParameter);
+ Default.Uint64 = 0;
+ Default.Bits.E = 1;
+ Default.Bits.FE = 0;
+ ZeroMem (&ExpectedMtrrs, sizeof (ExpectedMtrrs));
+ ExpectedMtrrs.MtrrDefType = Default.Uint64;
+ //
+ // Randomly generate expected MtrrSettings and set to MSR.
+ //
+ SetRandomlyGeneratedMtrrSettings (&SystemParameter, &ExpectedMtrrs);
+ Result = MtrrGetAllMtrrs (&Mtrrs);
+ UT_ASSERT_MEM_EQUAL (&ExpectedMtrrs.Fixed, &Mtrrs.Fixed, sizeof (MTRR_FIXED_SETTINGS));
+ UT_ASSERT_MEM_EQUAL (Mtrrs.Variables.Mtrr, ExpectedMtrrs.Variables.Mtrr, sizeof (MTRR_VARIABLE_SETTING) * (SystemParameter.VariableMtrrCount));
+ //
+ // For the case that Fixed MTRRs is enabled
+ //
+ SystemParameter.MtrrSupported = TRUE;
+ SystemParameter.FixedMtrrSupported = TRUE;
+ InitializeMtrrRegs (&SystemParameter);
+ Default.Uint64 = 0;
+ Default.Bits.E = 1;
+ Default.Bits.FE = 1;
+ ZeroMem (&ExpectedMtrrs, sizeof (ExpectedMtrrs));
+ ExpectedMtrrs.MtrrDefType = Default.Uint64;
+ SetRandomlyGeneratedMtrrSettings (&SystemParameter, &ExpectedMtrrs);
Result = MtrrGetAllMtrrs (&Mtrrs);
- UT_ASSERT_EQUAL ((UINTN)Result, (UINTN)&Mtrrs);
- UT_ASSERT_MEM_EQUAL (Mtrrs.Variables.Mtrr, VariableMtrr, sizeof (MTRR_VARIABLE_SETTING) * SystemParameter.VariableMtrrCount);
+ UT_ASSERT_MEM_EQUAL (&ExpectedMtrrs.Fixed, &Mtrrs.Fixed, sizeof (MTRR_FIXED_SETTINGS));
+ UT_ASSERT_MEM_EQUAL (Mtrrs.Variables.Mtrr, ExpectedMtrrs.Variables.Mtrr, sizeof (MTRR_VARIABLE_SETTING) * (SystemParameter.VariableMtrrCount));
//
// Negative test case when MTRRs are not supported
|