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diff --git a/src/VBox/Devices/EFI/Firmware/UefiCpuPkg/Library/MtrrLib/UnitTest/MtrrLibUnitTest.c b/src/VBox/Devices/EFI/Firmware/UefiCpuPkg/Library/MtrrLib/UnitTest/MtrrLibUnitTest.c
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index 00000000..d978a1a8
--- /dev/null
+++ b/src/VBox/Devices/EFI/Firmware/UefiCpuPkg/Library/MtrrLib/UnitTest/MtrrLibUnitTest.c
@@ -0,0 +1,1163 @@
+/** @file
+ Unit tests of the MtrrLib instance of the MtrrLib class
+
+ Copyright (c) 2020, Intel Corporation. All rights reserved.<BR>
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include "MtrrLibUnitTest.h"
+
+STATIC CONST MTRR_LIB_SYSTEM_PARAMETER mDefaultSystemParameter = {
+ 42, TRUE, TRUE, CacheUncacheable, 12
+};
+
+STATIC MTRR_LIB_SYSTEM_PARAMETER mSystemParameters[] = {
+ { 38, TRUE, TRUE, CacheUncacheable, 12 },
+ { 38, TRUE, TRUE, CacheWriteBack, 12 },
+ { 38, TRUE, TRUE, CacheWriteThrough, 12 },
+ { 38, TRUE, TRUE, CacheWriteProtected, 12 },
+ { 38, TRUE, TRUE, CacheWriteCombining, 12 },
+
+ { 42, TRUE, TRUE, CacheUncacheable, 12 },
+ { 42, TRUE, TRUE, CacheWriteBack, 12 },
+ { 42, TRUE, TRUE, CacheWriteThrough, 12 },
+ { 42, TRUE, TRUE, CacheWriteProtected, 12 },
+ { 42, TRUE, TRUE, CacheWriteCombining, 12 },
+
+ { 48, TRUE, TRUE, CacheUncacheable, 12 },
+ { 48, TRUE, TRUE, CacheWriteBack, 12 },
+ { 48, TRUE, TRUE, CacheWriteThrough, 12 },
+ { 48, TRUE, TRUE, CacheWriteProtected, 12 },
+ { 48, TRUE, TRUE, CacheWriteCombining, 12 },
+};
+
+UINT32 mFixedMtrrsIndex[] = {
+ MSR_IA32_MTRR_FIX64K_00000,
+ MSR_IA32_MTRR_FIX16K_80000,
+ MSR_IA32_MTRR_FIX16K_A0000,
+ MSR_IA32_MTRR_FIX4K_C0000,
+ MSR_IA32_MTRR_FIX4K_C8000,
+ MSR_IA32_MTRR_FIX4K_D0000,
+ MSR_IA32_MTRR_FIX4K_D8000,
+ MSR_IA32_MTRR_FIX4K_E0000,
+ MSR_IA32_MTRR_FIX4K_E8000,
+ MSR_IA32_MTRR_FIX4K_F0000,
+ MSR_IA32_MTRR_FIX4K_F8000
+};
+STATIC_ASSERT (
+ (ARRAY_SIZE (mFixedMtrrsIndex) == MTRR_NUMBER_OF_FIXED_MTRR),
+ "gFixedMtrrIndex does NOT contain all the fixed MTRRs!"
+ );
+
+//
+// Context structure to be used for most of the test cases.
+//
+typedef struct {
+ CONST MTRR_LIB_SYSTEM_PARAMETER *SystemParameter;
+} MTRR_LIB_TEST_CONTEXT;
+
+//
+// Context structure to be used for GetFirmwareVariableMtrrCount() test.
+//
+typedef struct {
+ UINT32 NumberOfReservedVariableMtrrs;
+ CONST MTRR_LIB_SYSTEM_PARAMETER *SystemParameter;
+} MTRR_LIB_GET_FIRMWARE_VARIABLE_MTRR_COUNT_CONTEXT;
+
+STATIC CHAR8 *mCacheDescription[] = { "UC", "WC", "N/A", "N/A", "WT", "WP", "WB" };
+
+/**
+ Compare the actual memory ranges against expected memory ranges and return PASS when they match.
+
+ @param ExpectedMemoryRanges Expected memory ranges.
+ @param ExpectedMemoryRangeCount Count of expected memory ranges.
+ @param ActualRanges Actual memory ranges.
+ @param ActualRangeCount Count of actual memory ranges.
+
+ @retval UNIT_TEST_PASSED Test passed.
+ @retval others Test failed.
+**/
+UNIT_TEST_STATUS
+VerifyMemoryRanges (
+ IN MTRR_MEMORY_RANGE *ExpectedMemoryRanges,
+ IN UINTN ExpectedMemoryRangeCount,
+ IN MTRR_MEMORY_RANGE *ActualRanges,
+ IN UINTN ActualRangeCount
+ )
+{
+ UINTN Index;
+ UT_ASSERT_EQUAL (ExpectedMemoryRangeCount, ActualRangeCount);
+ for (Index = 0; Index < ExpectedMemoryRangeCount; Index++) {
+ UT_ASSERT_EQUAL (ExpectedMemoryRanges[Index].BaseAddress, ActualRanges[Index].BaseAddress);
+ UT_ASSERT_EQUAL (ExpectedMemoryRanges[Index].Length, ActualRanges[Index].Length);
+ UT_ASSERT_EQUAL (ExpectedMemoryRanges[Index].Type, ActualRanges[Index].Type);
+ }
+
+ return UNIT_TEST_PASSED;
+}
+
+/**
+ Dump the memory ranges.
+
+ @param Ranges Memory ranges to dump.
+ @param RangeCount Count of memory ranges.
+**/
+VOID
+DumpMemoryRanges (
+ MTRR_MEMORY_RANGE *Ranges,
+ UINTN RangeCount
+ )
+{
+ UINTN Index;
+ for (Index = 0; Index < RangeCount; Index++) {
+ UT_LOG_INFO ("\t{ 0x%016llx, 0x%016llx, %a },\n", Ranges[Index].BaseAddress, Ranges[Index].Length, mCacheDescription[Ranges[Index].Type]);
+ }
+}
+
+/**
+**/
+
+/**
+ Generate random count of MTRRs for each cache type.
+
+ @param TotalCount Total MTRR count.
+ @param UcCount Return count of Uncacheable type.
+ @param WtCount Return count of Write Through type.
+ @param WbCount Return count of Write Back type.
+ @param WpCount Return count of Write Protected type.
+ @param WcCount Return count of Write Combining type.
+**/
+VOID
+GenerateRandomMemoryTypeCombination (
+ IN UINT32 TotalCount,
+ OUT UINT32 *UcCount,
+ OUT UINT32 *WtCount,
+ OUT UINT32 *WbCount,
+ OUT UINT32 *WpCount,
+ OUT UINT32 *WcCount
+ )
+{
+ UINTN Index;
+ UINT32 TotalMtrrCount;
+ UINT32 *CountPerType[5];
+
+ CountPerType[0] = UcCount;
+ CountPerType[1] = WtCount;
+ CountPerType[2] = WbCount;
+ CountPerType[3] = WpCount;
+ CountPerType[4] = WcCount;
+
+ //
+ // Initialize the count of each cache type to 0.
+ //
+ for (Index = 0; Index < ARRAY_SIZE (CountPerType); Index++) {
+ *(CountPerType[Index]) = 0;
+ }
+
+ //
+ // Pick a random count of MTRRs
+ //
+ TotalMtrrCount = Random32 (1, TotalCount);
+ for (Index = 0; Index < TotalMtrrCount; Index++) {
+ //
+ // For each of them, pick a random cache type.
+ //
+ (*(CountPerType[Random32 (0, ARRAY_SIZE (CountPerType) - 1)]))++;
+ }
+}
+
+/**
+ Unit test of MtrrLib service MtrrSetMemoryAttribute()
+
+ @param[in] Context Ignored
+
+ @retval UNIT_TEST_PASSED The Unit test has completed and the test
+ case was successful.
+ @retval UNIT_TEST_ERROR_TEST_FAILED A test case assertion has failed.
+
+**/
+UNIT_TEST_STATUS
+EFIAPI
+UnitTestMtrrSetMemoryAttributesInMtrrSettings (
+ IN UNIT_TEST_CONTEXT Context
+ )
+{
+ CONST MTRR_LIB_SYSTEM_PARAMETER *SystemParameter;
+ RETURN_STATUS Status;
+ UINT32 UcCount;
+ UINT32 WtCount;
+ UINT32 WbCount;
+ UINT32 WpCount;
+ UINT32 WcCount;
+
+ UINT32 MtrrIndex;
+ UINT8 *Scratch;
+ UINTN ScratchSize;
+ MTRR_SETTINGS LocalMtrrs;
+
+ MTRR_MEMORY_RANGE RawMtrrRange[MTRR_NUMBER_OF_VARIABLE_MTRR];
+ MTRR_MEMORY_RANGE ExpectedMemoryRanges[MTRR_NUMBER_OF_FIXED_MTRR * sizeof (UINT64) + 2 * MTRR_NUMBER_OF_VARIABLE_MTRR + 1];
+ UINT32 ExpectedVariableMtrrUsage;
+ UINTN ExpectedMemoryRangesCount;
+
+ MTRR_MEMORY_RANGE ActualMemoryRanges[MTRR_NUMBER_OF_FIXED_MTRR * sizeof (UINT64) + 2 * MTRR_NUMBER_OF_VARIABLE_MTRR + 1];
+ UINT32 ActualVariableMtrrUsage;
+ UINTN ActualMemoryRangesCount;
+
+ MTRR_SETTINGS *Mtrrs[2];
+
+ SystemParameter = (MTRR_LIB_SYSTEM_PARAMETER *) Context;
+ GenerateRandomMemoryTypeCombination (
+ SystemParameter->VariableMtrrCount - PatchPcdGet32 (PcdCpuNumberOfReservedVariableMtrrs),
+ &UcCount, &WtCount, &WbCount, &WpCount, &WcCount
+ );
+ GenerateValidAndConfigurableMtrrPairs (
+ SystemParameter->PhysicalAddressBits, RawMtrrRange,
+ UcCount, WtCount, WbCount, WpCount, WcCount
+ );
+
+ ExpectedVariableMtrrUsage = UcCount + WtCount + WbCount + WpCount + WcCount;
+ ExpectedMemoryRangesCount = ARRAY_SIZE (ExpectedMemoryRanges);
+ GetEffectiveMemoryRanges (
+ SystemParameter->DefaultCacheType,
+ SystemParameter->PhysicalAddressBits,
+ RawMtrrRange, ExpectedVariableMtrrUsage,
+ ExpectedMemoryRanges, &ExpectedMemoryRangesCount
+ );
+
+ UT_LOG_INFO (
+ "Total MTRR [%d]: UC=%d, WT=%d, WB=%d, WP=%d, WC=%d\n",
+ ExpectedVariableMtrrUsage, UcCount, WtCount, WbCount, WpCount, WcCount
+ );
+ UT_LOG_INFO ("--- Expected Memory Ranges [%d] ---\n", ExpectedMemoryRangesCount);
+ DumpMemoryRanges (ExpectedMemoryRanges, ExpectedMemoryRangesCount);
+
+ //
+ // Default cache type is always an INPUT
+ //
+ ZeroMem (&LocalMtrrs, sizeof (LocalMtrrs));
+ LocalMtrrs.MtrrDefType = MtrrGetDefaultMemoryType ();
+ ScratchSize = SCRATCH_BUFFER_SIZE;
+ Mtrrs[0] = &LocalMtrrs;
+ Mtrrs[1] = NULL;
+
+ for (MtrrIndex = 0; MtrrIndex < ARRAY_SIZE (Mtrrs); MtrrIndex++) {
+ Scratch = calloc (ScratchSize, sizeof (UINT8));
+ Status = MtrrSetMemoryAttributesInMtrrSettings (Mtrrs[MtrrIndex], Scratch, &ScratchSize, ExpectedMemoryRanges, ExpectedMemoryRangesCount);
+ if (Status == RETURN_BUFFER_TOO_SMALL) {
+ Scratch = realloc (Scratch, ScratchSize);
+ Status = MtrrSetMemoryAttributesInMtrrSettings (Mtrrs[MtrrIndex], Scratch, &ScratchSize, ExpectedMemoryRanges, ExpectedMemoryRangesCount);
+ }
+ UT_ASSERT_STATUS_EQUAL (Status, RETURN_SUCCESS);
+
+ if (Mtrrs[MtrrIndex] == NULL) {
+ ZeroMem (&LocalMtrrs, sizeof (LocalMtrrs));
+ MtrrGetAllMtrrs (&LocalMtrrs);
+ }
+ ActualMemoryRangesCount = ARRAY_SIZE (ActualMemoryRanges);
+ CollectTestResult (
+ SystemParameter->DefaultCacheType, SystemParameter->PhysicalAddressBits, SystemParameter->VariableMtrrCount,
+ &LocalMtrrs, ActualMemoryRanges, &ActualMemoryRangesCount, &ActualVariableMtrrUsage
+ );
+
+ UT_LOG_INFO ("--- Actual Memory Ranges [%d] ---\n", ActualMemoryRangesCount);
+ DumpMemoryRanges (ActualMemoryRanges, ActualMemoryRangesCount);
+ VerifyMemoryRanges (ExpectedMemoryRanges, ExpectedMemoryRangesCount, ActualMemoryRanges, ActualMemoryRangesCount);
+ UT_ASSERT_TRUE (ExpectedVariableMtrrUsage >= ActualVariableMtrrUsage);
+
+ ZeroMem (&LocalMtrrs, sizeof (LocalMtrrs));
+ }
+
+ free (Scratch);
+
+ return UNIT_TEST_PASSED;
+}
+
+/**
+ Test routine to check whether invalid base/size can be rejected.
+
+ @param Context Pointer to MTRR_LIB_SYSTEM_PARAMETER.
+
+ @return Test status.
+**/
+UNIT_TEST_STATUS
+EFIAPI
+UnitTestInvalidMemoryLayouts (
+ IN UNIT_TEST_CONTEXT Context
+ )
+{
+ CONST MTRR_LIB_SYSTEM_PARAMETER *SystemParameter;
+ MTRR_MEMORY_RANGE Ranges[MTRR_NUMBER_OF_VARIABLE_MTRR * 2 + 1];
+ UINTN RangeCount;
+ UINT64 MaxAddress;
+ UINT32 Index;
+ UINT64 BaseAddress;
+ UINT64 Length;
+ RETURN_STATUS Status;
+ UINTN ScratchSize;
+
+ SystemParameter = (MTRR_LIB_SYSTEM_PARAMETER *) Context;
+
+ RangeCount = Random32 (1, ARRAY_SIZE (Ranges));
+ MaxAddress = 1ull << SystemParameter->PhysicalAddressBits;
+
+ for (Index = 0; Index < RangeCount; Index++) {
+ do {
+ BaseAddress = Random64 (0, MaxAddress);
+ Length = Random64 (1, MaxAddress - BaseAddress);
+ } while (((BaseAddress & 0xFFF) == 0) || ((Length & 0xFFF) == 0));
+
+ Ranges[Index].BaseAddress = BaseAddress;
+ Ranges[Index].Length = Length;
+ Ranges[Index].Type = GenerateRandomCacheType ();
+
+ Status = MtrrSetMemoryAttribute (
+ Ranges[Index].BaseAddress, Ranges[Index].Length, Ranges[Index].Type
+ );
+ UT_ASSERT_TRUE (RETURN_ERROR (Status));
+ }
+
+ ScratchSize = 0;
+ Status = MtrrSetMemoryAttributesInMtrrSettings (NULL, NULL, &ScratchSize, Ranges, RangeCount);
+ UT_ASSERT_TRUE (RETURN_ERROR (Status));
+
+ return UNIT_TEST_PASSED;
+}
+
+/**
+ Unit test of MtrrLib service IsMtrrSupported()
+
+ @param[in] Context Ignored
+
+ @retval UNIT_TEST_PASSED The Unit test has completed and the test
+ case was successful.
+ @retval UNIT_TEST_ERROR_TEST_FAILED A test case assertion has failed.
+
+**/
+UNIT_TEST_STATUS
+EFIAPI
+UnitTestIsMtrrSupported (
+ IN UNIT_TEST_CONTEXT Context
+ )
+{
+ MTRR_LIB_SYSTEM_PARAMETER SystemParameter;
+ MTRR_LIB_TEST_CONTEXT *LocalContext;
+
+ LocalContext = (MTRR_LIB_TEST_CONTEXT *) Context;
+
+ CopyMem (&SystemParameter, LocalContext->SystemParameter, sizeof (SystemParameter));
+ //
+ // MTRR capability off in CPUID leaf.
+ //
+ SystemParameter.MtrrSupported = FALSE;
+ InitializeMtrrRegs (&SystemParameter);
+ UT_ASSERT_FALSE (IsMtrrSupported ());
+
+ //
+ // MTRR capability on in CPUID leaf, but no variable or fixed MTRRs.
+ //
+ SystemParameter.MtrrSupported = TRUE;
+ SystemParameter.VariableMtrrCount = 0;
+ SystemParameter.FixedMtrrSupported = FALSE;
+ InitializeMtrrRegs (&SystemParameter);
+ UT_ASSERT_FALSE (IsMtrrSupported ());
+
+ //
+ // MTRR capability on in CPUID leaf, but no variable MTRRs.
+ //
+ SystemParameter.MtrrSupported = TRUE;
+ SystemParameter.VariableMtrrCount = 0;
+ SystemParameter.FixedMtrrSupported = TRUE;
+ InitializeMtrrRegs (&SystemParameter);
+ UT_ASSERT_FALSE (IsMtrrSupported ());
+
+ //
+ // MTRR capability on in CPUID leaf, but no fixed MTRRs.
+ //
+ SystemParameter.MtrrSupported = TRUE;
+ SystemParameter.VariableMtrrCount = 7;
+ SystemParameter.FixedMtrrSupported = FALSE;
+ InitializeMtrrRegs (&SystemParameter);
+ UT_ASSERT_FALSE (IsMtrrSupported ());
+
+ //
+ // MTRR capability on in CPUID leaf with both variable and fixed MTRRs.
+ //
+ SystemParameter.MtrrSupported = TRUE;
+ SystemParameter.VariableMtrrCount = 7;
+ SystemParameter.FixedMtrrSupported = TRUE;
+ InitializeMtrrRegs (&SystemParameter);
+ UT_ASSERT_TRUE (IsMtrrSupported ());
+
+ return UNIT_TEST_PASSED;
+}
+
+/**
+ Unit test of MtrrLib service GetVariableMtrrCount()
+
+ @param[in] Context Ignored
+
+ @retval UNIT_TEST_PASSED The Unit test has completed and the test
+ case was successful.
+ @retval UNIT_TEST_ERROR_TEST_FAILED A test case assertion has failed.
+
+**/
+UNIT_TEST_STATUS
+EFIAPI
+UnitTestGetVariableMtrrCount (
+ IN UNIT_TEST_CONTEXT Context
+ )
+{
+ UINT32 Result;
+ MTRR_LIB_SYSTEM_PARAMETER SystemParameter;
+ MTRR_LIB_TEST_CONTEXT *LocalContext;
+
+ LocalContext = (MTRR_LIB_TEST_CONTEXT *) Context;
+
+ CopyMem (&SystemParameter, LocalContext->SystemParameter, sizeof (SystemParameter));
+ //
+ // If MTRR capability off in CPUID leaf, then the count is always 0.
+ //
+ SystemParameter.MtrrSupported = FALSE;
+ for (SystemParameter.VariableMtrrCount = 1; SystemParameter.VariableMtrrCount <= MTRR_NUMBER_OF_VARIABLE_MTRR; SystemParameter.VariableMtrrCount++) {
+ InitializeMtrrRegs (&SystemParameter);
+ Result = GetVariableMtrrCount ();
+ UT_ASSERT_EQUAL (Result, 0);
+ }
+
+ //
+ // Try all supported variable MTRR counts.
+ // If variable MTRR count is > MTRR_NUMBER_OF_VARIABLE_MTRR, then an ASSERT()
+ // is generated.
+ //
+ SystemParameter.MtrrSupported = TRUE;
+ for (SystemParameter.VariableMtrrCount = 1; SystemParameter.VariableMtrrCount <= MTRR_NUMBER_OF_VARIABLE_MTRR; SystemParameter.VariableMtrrCount++) {
+ InitializeMtrrRegs (&SystemParameter);
+ Result = GetVariableMtrrCount ();
+ UT_ASSERT_EQUAL (Result, SystemParameter.VariableMtrrCount);
+ }
+
+ //
+ // Expect ASSERT() if variable MTRR count is > MTRR_NUMBER_OF_VARIABLE_MTRR
+ //
+ SystemParameter.VariableMtrrCount = MTRR_NUMBER_OF_VARIABLE_MTRR + 1;
+ InitializeMtrrRegs (&SystemParameter);
+ UT_EXPECT_ASSERT_FAILURE (GetVariableMtrrCount (), NULL);
+
+ SystemParameter.MtrrSupported = TRUE;
+ SystemParameter.VariableMtrrCount = MAX_UINT8;
+ InitializeMtrrRegs (&SystemParameter);
+ UT_EXPECT_ASSERT_FAILURE (GetVariableMtrrCount (), NULL);
+
+ return UNIT_TEST_PASSED;
+}
+
+/**
+ Unit test of MtrrLib service GetFirmwareVariableMtrrCount()
+
+ @param[in] Context Ignored
+
+ @retval UNIT_TEST_PASSED The Unit test has completed and the test
+ case was successful.
+ @retval UNIT_TEST_ERROR_TEST_FAILED A test case assertion has failed.
+
+**/
+UNIT_TEST_STATUS
+EFIAPI
+UnitTestGetFirmwareVariableMtrrCount (
+ IN UNIT_TEST_CONTEXT Context
+ )
+{
+ UINT32 Result;
+ UINT32 ReservedMtrrs;
+ MTRR_LIB_SYSTEM_PARAMETER SystemParameter;
+ MTRR_LIB_GET_FIRMWARE_VARIABLE_MTRR_COUNT_CONTEXT *LocalContext;
+
+ LocalContext = (MTRR_LIB_GET_FIRMWARE_VARIABLE_MTRR_COUNT_CONTEXT *) Context;
+
+ CopyMem (&SystemParameter, LocalContext->SystemParameter, sizeof (SystemParameter));
+
+ InitializeMtrrRegs (&SystemParameter);
+ //
+ // Positive test cases for VCNT = 10 and Reserved PCD in range 0..10
+ //
+ for (ReservedMtrrs = 0; ReservedMtrrs <= SystemParameter.VariableMtrrCount; ReservedMtrrs++) {
+ PatchPcdSet32 (PcdCpuNumberOfReservedVariableMtrrs, ReservedMtrrs);
+ Result = GetFirmwareVariableMtrrCount ();
+ UT_ASSERT_EQUAL (Result, SystemParameter.VariableMtrrCount - ReservedMtrrs);
+ }
+
+ //
+ // Negative test cases when Reserved PCD is larger than VCNT
+ //
+ for (ReservedMtrrs = SystemParameter.VariableMtrrCount + 1; ReservedMtrrs <= 255; ReservedMtrrs++) {
+ PatchPcdSet32 (PcdCpuNumberOfReservedVariableMtrrs, ReservedMtrrs);
+ Result = GetFirmwareVariableMtrrCount ();
+ UT_ASSERT_EQUAL (Result, 0);
+ }
+
+ //
+ // Negative test cases when Reserved PCD is larger than VCNT
+ //
+ PatchPcdSet32 (PcdCpuNumberOfReservedVariableMtrrs, MAX_UINT32);
+ Result = GetFirmwareVariableMtrrCount ();
+ UT_ASSERT_EQUAL (Result, 0);
+
+ //
+ // Negative test case when MTRRs are not supported
+ //
+ SystemParameter.MtrrSupported = FALSE;
+ InitializeMtrrRegs (&SystemParameter);
+ PatchPcdSet32 (PcdCpuNumberOfReservedVariableMtrrs, 2);
+ Result = GetFirmwareVariableMtrrCount ();
+ UT_ASSERT_EQUAL (Result, 0);
+
+ //
+ // Negative test case when Fixed MTRRs are not supported
+ //
+ SystemParameter.MtrrSupported = TRUE;
+ SystemParameter.FixedMtrrSupported = FALSE;
+ InitializeMtrrRegs (&SystemParameter);
+ PatchPcdSet32 (PcdCpuNumberOfReservedVariableMtrrs, 2);
+ Result = GetFirmwareVariableMtrrCount ();
+ UT_ASSERT_EQUAL (Result, 0);
+
+ //
+ // Expect ASSERT() if variable MTRR count is > MTRR_NUMBER_OF_VARIABLE_MTRR
+ //
+ SystemParameter.FixedMtrrSupported = TRUE;
+ SystemParameter.VariableMtrrCount = MTRR_NUMBER_OF_VARIABLE_MTRR + 1;
+ InitializeMtrrRegs (&SystemParameter);
+ UT_EXPECT_ASSERT_FAILURE (GetFirmwareVariableMtrrCount (), NULL);
+
+ return UNIT_TEST_PASSED;
+}
+
+/**
+ Unit test of MtrrLib service MtrrGetMemoryAttribute()
+
+ @param[in] Context Ignored
+
+ @retval UNIT_TEST_PASSED The Unit test has completed and the test
+ case was successful.
+ @retval UNIT_TEST_ERROR_TEST_FAILED A test case assertion has failed.
+
+**/
+UNIT_TEST_STATUS
+EFIAPI
+UnitTestMtrrGetMemoryAttribute (
+ IN UNIT_TEST_CONTEXT Context
+ )
+{
+ return UNIT_TEST_PASSED;
+}
+
+/**
+ Unit test of MtrrLib service MtrrGetFixedMtrr()
+
+ @param[in] Context Ignored
+
+ @retval UNIT_TEST_PASSED The Unit test has completed and the test
+ case was successful.
+ @retval UNIT_TEST_ERROR_TEST_FAILED A test case assertion has failed.
+
+**/
+UNIT_TEST_STATUS
+EFIAPI
+UnitTestMtrrGetFixedMtrr (
+ IN UNIT_TEST_CONTEXT Context
+ )
+{
+ MTRR_FIXED_SETTINGS *Result;
+ MTRR_FIXED_SETTINGS ExpectedFixedSettings;
+ MTRR_FIXED_SETTINGS FixedSettings;
+ UINTN Index;
+ UINTN MsrIndex;
+ UINTN ByteIndex;
+ UINT64 MsrValue;
+ MTRR_LIB_SYSTEM_PARAMETER SystemParameter;
+ MTRR_LIB_TEST_CONTEXT *LocalContext;
+
+ LocalContext = (MTRR_LIB_TEST_CONTEXT *) Context;
+
+ CopyMem (&SystemParameter, LocalContext->SystemParameter, sizeof (SystemParameter));
+ InitializeMtrrRegs (&SystemParameter);
+ //
+ // Set random cache type to different ranges under 1MB and make sure
+ // the fixed MTRR settings are expected.
+ // Try 100 times.
+ //
+ for (Index = 0; Index < 100; Index++) {
+ for (MsrIndex = 0; MsrIndex < ARRAY_SIZE (mFixedMtrrsIndex); MsrIndex++) {
+ MsrValue = 0;
+ for (ByteIndex = 0; ByteIndex < sizeof (UINT64); ByteIndex++) {
+ MsrValue = MsrValue | LShiftU64 (GenerateRandomCacheType (), ByteIndex * 8);
+ }
+ ExpectedFixedSettings.Mtrr[MsrIndex] = MsrValue;
+ AsmWriteMsr64 (mFixedMtrrsIndex[MsrIndex], MsrValue);
+ }
+
+ Result = MtrrGetFixedMtrr (&FixedSettings);
+ UT_ASSERT_EQUAL (Result, &FixedSettings);
+ UT_ASSERT_MEM_EQUAL (&FixedSettings, &ExpectedFixedSettings, sizeof (FixedSettings));
+ }
+
+ //
+ // Negative test case when MTRRs are not supported
+ //
+ SystemParameter.MtrrSupported = FALSE;
+ InitializeMtrrRegs (&SystemParameter);
+
+ ZeroMem (&FixedSettings, sizeof (FixedSettings));
+ ZeroMem (&ExpectedFixedSettings, sizeof (ExpectedFixedSettings));
+ Result = MtrrGetFixedMtrr (&FixedSettings);
+ UT_ASSERT_EQUAL (Result, &FixedSettings);
+ UT_ASSERT_MEM_EQUAL (&ExpectedFixedSettings, &FixedSettings, sizeof (ExpectedFixedSettings));
+
+ return UNIT_TEST_PASSED;
+}
+
+/**
+ Unit test of MtrrLib service MtrrGetAllMtrrs()
+
+ @param[in] Context Ignored
+
+ @retval UNIT_TEST_PASSED The Unit test has completed and the test
+ case was successful.
+ @retval UNIT_TEST_ERROR_TEST_FAILED A test case assertion has failed.
+
+**/
+UNIT_TEST_STATUS
+EFIAPI
+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;
+
+ 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);
+ }
+ Result = MtrrGetAllMtrrs (&Mtrrs);
+ UT_ASSERT_EQUAL (Result, &Mtrrs);
+ UT_ASSERT_MEM_EQUAL (Mtrrs.Variables.Mtrr, VariableMtrr, sizeof (MTRR_VARIABLE_SETTING) * SystemParameter.VariableMtrrCount);
+
+ //
+ // Negative test case when MTRRs are not supported
+ //
+ ZeroMem (&ExpectedMtrrs, sizeof (ExpectedMtrrs));
+ ZeroMem (&Mtrrs, sizeof (Mtrrs));
+
+ SystemParameter.MtrrSupported = FALSE;
+ InitializeMtrrRegs (&SystemParameter);
+ Result = MtrrGetAllMtrrs (&Mtrrs);
+ UT_ASSERT_EQUAL (Result, &Mtrrs);
+ UT_ASSERT_MEM_EQUAL (&ExpectedMtrrs, &Mtrrs, sizeof (ExpectedMtrrs));
+
+ //
+ // Expect ASSERT() if variable MTRR count is > MTRR_NUMBER_OF_VARIABLE_MTRR
+ //
+ SystemParameter.MtrrSupported = TRUE;
+ SystemParameter.VariableMtrrCount = MTRR_NUMBER_OF_VARIABLE_MTRR + 1;
+ InitializeMtrrRegs (&SystemParameter);
+ UT_EXPECT_ASSERT_FAILURE (MtrrGetAllMtrrs (&Mtrrs), NULL);
+
+ return UNIT_TEST_PASSED;
+}
+
+/**
+ Unit test of MtrrLib service MtrrSetAllMtrrs()
+
+ @param[in] Context Ignored
+
+ @retval UNIT_TEST_PASSED The Unit test has completed and the test
+ case was successful.
+ @retval UNIT_TEST_ERROR_TEST_FAILED A test case assertion has failed.
+
+**/
+UNIT_TEST_STATUS
+EFIAPI
+UnitTestMtrrSetAllMtrrs (
+ IN UNIT_TEST_CONTEXT Context
+ )
+{
+ MTRR_SETTINGS *Result;
+ MTRR_SETTINGS Mtrrs;
+ UINT32 Index;
+ MSR_IA32_MTRR_DEF_TYPE_REGISTER Default;
+ MTRR_LIB_SYSTEM_PARAMETER SystemParameter;
+ MTRR_LIB_TEST_CONTEXT *LocalContext;
+
+ LocalContext = (MTRR_LIB_TEST_CONTEXT *) Context;
+
+ CopyMem (&SystemParameter, LocalContext->SystemParameter, sizeof (SystemParameter));
+ InitializeMtrrRegs (&SystemParameter);
+
+ Default.Uint64 = 0;
+ Default.Bits.E = 1;
+ Default.Bits.FE = 1;
+ Default.Bits.Type = GenerateRandomCacheType ();
+
+ ZeroMem (&Mtrrs, sizeof (Mtrrs));
+ Mtrrs.MtrrDefType = Default.Uint64;
+ for (Index = 0; Index < SystemParameter.VariableMtrrCount; Index++) {
+ GenerateRandomMtrrPair (SystemParameter.PhysicalAddressBits, GenerateRandomCacheType (), &Mtrrs.Variables.Mtrr[Index], NULL);
+ }
+ Result = MtrrSetAllMtrrs (&Mtrrs);
+ UT_ASSERT_EQUAL (Result, &Mtrrs);
+
+ UT_ASSERT_EQUAL (AsmReadMsr64 (MSR_IA32_MTRR_DEF_TYPE), Mtrrs.MtrrDefType);
+ for (Index = 0; Index < SystemParameter.VariableMtrrCount; Index++) {
+ UT_ASSERT_EQUAL (AsmReadMsr64 (MSR_IA32_MTRR_PHYSBASE0 + (Index << 1)), Mtrrs.Variables.Mtrr[Index].Base);
+ UT_ASSERT_EQUAL (AsmReadMsr64 (MSR_IA32_MTRR_PHYSMASK0 + (Index << 1)), Mtrrs.Variables.Mtrr[Index].Mask);
+ }
+
+ return UNIT_TEST_PASSED;
+}
+
+/**
+ Unit test of MtrrLib service MtrrGetMemoryAttributeInVariableMtrr()
+
+ @param[in] Context Ignored
+
+ @retval UNIT_TEST_PASSED The Unit test has completed and the test
+ case was successful.
+ @retval UNIT_TEST_ERROR_TEST_FAILED A test case assertion has failed.
+
+**/
+UNIT_TEST_STATUS
+EFIAPI
+UnitTestMtrrGetMemoryAttributeInVariableMtrr (
+ IN UNIT_TEST_CONTEXT Context
+ )
+{
+ MTRR_LIB_TEST_CONTEXT *LocalContext;
+ MTRR_LIB_SYSTEM_PARAMETER SystemParameter;
+ UINT32 Result;
+ MTRR_VARIABLE_SETTING VariableSetting[MTRR_NUMBER_OF_VARIABLE_MTRR];
+ VARIABLE_MTRR VariableMtrr[MTRR_NUMBER_OF_VARIABLE_MTRR];
+ UINT64 ValidMtrrBitsMask;
+ UINT64 ValidMtrrAddressMask;
+ UINT32 Index;
+ MSR_IA32_MTRR_PHYSBASE_REGISTER Base;
+ MSR_IA32_MTRR_PHYSMASK_REGISTER Mask;
+
+ LocalContext = (MTRR_LIB_TEST_CONTEXT *) Context;
+
+ CopyMem (&SystemParameter, LocalContext->SystemParameter, sizeof (SystemParameter));
+
+ InitializeMtrrRegs (&SystemParameter);
+
+ ValidMtrrBitsMask = (1ull << SystemParameter.PhysicalAddressBits) - 1;
+ ValidMtrrAddressMask = ValidMtrrBitsMask & 0xfffffffffffff000ULL;
+
+ for (Index = 0; Index < SystemParameter.VariableMtrrCount; Index++) {
+ GenerateRandomMtrrPair (SystemParameter.PhysicalAddressBits, GenerateRandomCacheType (), &VariableSetting[Index], NULL);
+ AsmWriteMsr64 (MSR_IA32_MTRR_PHYSBASE0 + (Index << 1), VariableSetting[Index].Base);
+ AsmWriteMsr64 (MSR_IA32_MTRR_PHYSMASK0 + (Index << 1), VariableSetting[Index].Mask);
+ }
+ Result = MtrrGetMemoryAttributeInVariableMtrr (ValidMtrrBitsMask, ValidMtrrAddressMask, VariableMtrr);
+ UT_ASSERT_EQUAL (Result, SystemParameter.VariableMtrrCount);
+
+ for (Index = 0; Index < SystemParameter.VariableMtrrCount; Index++) {
+ Base.Uint64 = VariableMtrr[Index].BaseAddress;
+ Base.Bits.Type = (UINT32) VariableMtrr[Index].Type;
+ UT_ASSERT_EQUAL (Base.Uint64, VariableSetting[Index].Base);
+
+ Mask.Uint64 = ~(VariableMtrr[Index].Length - 1) & ValidMtrrBitsMask;
+ Mask.Bits.V = 1;
+ UT_ASSERT_EQUAL (Mask.Uint64, VariableSetting[Index].Mask);
+ }
+
+ //
+ // Negative test case when MTRRs are not supported
+ //
+ SystemParameter.MtrrSupported = FALSE;
+ InitializeMtrrRegs (&SystemParameter);
+ Result = MtrrGetMemoryAttributeInVariableMtrr (ValidMtrrBitsMask, ValidMtrrAddressMask, VariableMtrr);
+ UT_ASSERT_EQUAL (Result, 0);
+
+ //
+ // Expect ASSERT() if variable MTRR count is > MTRR_NUMBER_OF_VARIABLE_MTRR
+ //
+ SystemParameter.MtrrSupported = TRUE;
+ SystemParameter.VariableMtrrCount = MTRR_NUMBER_OF_VARIABLE_MTRR + 1;
+ InitializeMtrrRegs (&SystemParameter);
+ UT_EXPECT_ASSERT_FAILURE (MtrrGetMemoryAttributeInVariableMtrr (ValidMtrrBitsMask, ValidMtrrAddressMask, VariableMtrr), NULL);
+
+ return UNIT_TEST_PASSED;
+}
+
+/**
+ Unit test of MtrrLib service MtrrDebugPrintAllMtrrs()
+
+ @param[in] Context Ignored
+
+ @retval UNIT_TEST_PASSED The Unit test has completed and the test
+ case was successful.
+ @retval UNIT_TEST_ERROR_TEST_FAILED A test case assertion has failed.
+
+**/
+UNIT_TEST_STATUS
+EFIAPI
+UnitTestMtrrDebugPrintAllMtrrs (
+ IN UNIT_TEST_CONTEXT Context
+ )
+{
+ return UNIT_TEST_PASSED;
+}
+
+/**
+ Unit test of MtrrLib service MtrrGetDefaultMemoryType().
+
+ @param[in] Context Ignored
+
+ @retval UNIT_TEST_PASSED The Unit test has completed and the test
+ case was successful.
+ @retval UNIT_TEST_ERROR_TEST_FAILED A test case assertion has failed.
+
+**/
+UNIT_TEST_STATUS
+EFIAPI
+UnitTestMtrrGetDefaultMemoryType (
+ IN UNIT_TEST_CONTEXT Context
+ )
+{
+ MTRR_LIB_TEST_CONTEXT *LocalContext;
+ UINTN Index;
+ MTRR_MEMORY_CACHE_TYPE Result;
+ MTRR_LIB_SYSTEM_PARAMETER SystemParameter;
+ MTRR_MEMORY_CACHE_TYPE CacheType[5];
+
+ CacheType[0] = CacheUncacheable;
+ CacheType[1] = CacheWriteCombining;
+ CacheType[2] = CacheWriteThrough;
+ CacheType[3] = CacheWriteProtected;
+ CacheType[4] = CacheWriteBack;
+
+ LocalContext = (MTRR_LIB_TEST_CONTEXT *) Context;
+
+ CopyMem (&SystemParameter, LocalContext->SystemParameter, sizeof (SystemParameter));
+ //
+ // If MTRRs are supported, then always return the cache type in the MSR
+ // MSR_IA32_MTRR_DEF_TYPE
+ //
+ for (Index = 0; Index < ARRAY_SIZE (CacheType); Index++) {
+ SystemParameter.DefaultCacheType = CacheType[Index];
+ InitializeMtrrRegs (&SystemParameter);
+ Result = MtrrGetDefaultMemoryType ();
+ UT_ASSERT_EQUAL (Result, SystemParameter.DefaultCacheType);
+ }
+
+ //
+ // If MTRRs are not supported, then always return CacheUncacheable
+ //
+ SystemParameter.MtrrSupported = FALSE;
+ InitializeMtrrRegs (&SystemParameter);
+ Result = MtrrGetDefaultMemoryType ();
+ UT_ASSERT_EQUAL (Result, CacheUncacheable);
+
+ SystemParameter.MtrrSupported = TRUE;
+ SystemParameter.FixedMtrrSupported = FALSE;
+ InitializeMtrrRegs (&SystemParameter);
+ Result = MtrrGetDefaultMemoryType ();
+ UT_ASSERT_EQUAL (Result, CacheUncacheable);
+
+ SystemParameter.MtrrSupported = TRUE;
+ SystemParameter.FixedMtrrSupported = TRUE;
+ SystemParameter.VariableMtrrCount = 0;
+ InitializeMtrrRegs (&SystemParameter);
+ Result = MtrrGetDefaultMemoryType ();
+ UT_ASSERT_EQUAL (Result, CacheUncacheable);
+
+ return UNIT_TEST_PASSED;
+}
+
+/**
+ Unit test of MtrrLib service MtrrSetMemoryAttributeInMtrrSettings().
+
+ @param[in] Context Ignored
+
+ @retval UNIT_TEST_PASSED The Unit test has completed and the test
+ case was successful.
+ @retval UNIT_TEST_ERROR_TEST_FAILED A test case assertion has failed.
+
+**/
+UNIT_TEST_STATUS
+EFIAPI
+UnitTestMtrrSetMemoryAttributeInMtrrSettings (
+ IN UNIT_TEST_CONTEXT Context
+ )
+{
+ CONST MTRR_LIB_SYSTEM_PARAMETER *SystemParameter;
+ RETURN_STATUS Status;
+ UINT32 UcCount;
+ UINT32 WtCount;
+ UINT32 WbCount;
+ UINT32 WpCount;
+ UINT32 WcCount;
+
+ UINTN MtrrIndex;
+ UINTN Index;
+ MTRR_SETTINGS LocalMtrrs;
+
+ MTRR_MEMORY_RANGE RawMtrrRange[MTRR_NUMBER_OF_VARIABLE_MTRR];
+ MTRR_MEMORY_RANGE ExpectedMemoryRanges[MTRR_NUMBER_OF_FIXED_MTRR * sizeof (UINT64) + 2 * MTRR_NUMBER_OF_VARIABLE_MTRR + 1];
+ UINT32 ExpectedVariableMtrrUsage;
+ UINTN ExpectedMemoryRangesCount;
+
+ MTRR_MEMORY_RANGE ActualMemoryRanges[MTRR_NUMBER_OF_FIXED_MTRR * sizeof (UINT64) + 2 * MTRR_NUMBER_OF_VARIABLE_MTRR + 1];
+ UINT32 ActualVariableMtrrUsage;
+ UINTN ActualMemoryRangesCount;
+
+ MTRR_SETTINGS *Mtrrs[2];
+
+ SystemParameter = (MTRR_LIB_SYSTEM_PARAMETER *) Context;
+ GenerateRandomMemoryTypeCombination (
+ SystemParameter->VariableMtrrCount - PatchPcdGet32 (PcdCpuNumberOfReservedVariableMtrrs),
+ &UcCount, &WtCount, &WbCount, &WpCount, &WcCount
+ );
+ GenerateValidAndConfigurableMtrrPairs (
+ SystemParameter->PhysicalAddressBits, RawMtrrRange,
+ UcCount, WtCount, WbCount, WpCount, WcCount
+ );
+
+ ExpectedVariableMtrrUsage = UcCount + WtCount + WbCount + WpCount + WcCount;
+ ExpectedMemoryRangesCount = ARRAY_SIZE (ExpectedMemoryRanges);
+ GetEffectiveMemoryRanges (
+ SystemParameter->DefaultCacheType,
+ SystemParameter->PhysicalAddressBits,
+ RawMtrrRange, ExpectedVariableMtrrUsage,
+ ExpectedMemoryRanges, &ExpectedMemoryRangesCount
+ );
+
+ UT_LOG_INFO ("--- Expected Memory Ranges [%d] ---\n", ExpectedMemoryRangesCount);
+ DumpMemoryRanges (ExpectedMemoryRanges, ExpectedMemoryRangesCount);
+ //
+ // Default cache type is always an INPUT
+ //
+ ZeroMem (&LocalMtrrs, sizeof (LocalMtrrs));
+ LocalMtrrs.MtrrDefType = MtrrGetDefaultMemoryType ();
+ Mtrrs[0] = &LocalMtrrs;
+ Mtrrs[1] = NULL;
+
+ for (MtrrIndex = 0; MtrrIndex < ARRAY_SIZE (Mtrrs); MtrrIndex++) {
+ for (Index = 0; Index < ExpectedMemoryRangesCount; Index++) {
+ Status = MtrrSetMemoryAttributeInMtrrSettings (
+ Mtrrs[MtrrIndex],
+ ExpectedMemoryRanges[Index].BaseAddress,
+ ExpectedMemoryRanges[Index].Length,
+ ExpectedMemoryRanges[Index].Type
+ );
+ UT_ASSERT_TRUE (Status == RETURN_SUCCESS || Status == RETURN_OUT_OF_RESOURCES || Status == RETURN_BUFFER_TOO_SMALL);
+ if (Status == RETURN_OUT_OF_RESOURCES || Status == RETURN_BUFFER_TOO_SMALL) {
+ return UNIT_TEST_SKIPPED;
+ }
+ }
+
+ if (Mtrrs[MtrrIndex] == NULL) {
+ ZeroMem (&LocalMtrrs, sizeof (LocalMtrrs));
+ MtrrGetAllMtrrs (&LocalMtrrs);
+ }
+ ActualMemoryRangesCount = ARRAY_SIZE (ActualMemoryRanges);
+ CollectTestResult (
+ SystemParameter->DefaultCacheType, SystemParameter->PhysicalAddressBits, SystemParameter->VariableMtrrCount,
+ &LocalMtrrs, ActualMemoryRanges, &ActualMemoryRangesCount, &ActualVariableMtrrUsage
+ );
+ UT_LOG_INFO ("--- Actual Memory Ranges [%d] ---\n", ActualMemoryRangesCount);
+ DumpMemoryRanges (ActualMemoryRanges, ActualMemoryRangesCount);
+ VerifyMemoryRanges (ExpectedMemoryRanges, ExpectedMemoryRangesCount, ActualMemoryRanges, ActualMemoryRangesCount);
+ UT_ASSERT_TRUE (ExpectedVariableMtrrUsage >= ActualVariableMtrrUsage);
+
+ ZeroMem (&LocalMtrrs, sizeof (LocalMtrrs));
+ }
+
+ return UNIT_TEST_PASSED;
+}
+
+
+/**
+ Prep routine for UnitTestGetFirmwareVariableMtrrCount().
+
+ @param Context Point to a UINT32 data to save the PcdCpuNumberOfReservedVariableMtrrs.
+**/
+UNIT_TEST_STATUS
+EFIAPI
+SavePcdValue (
+ UNIT_TEST_CONTEXT Context
+ )
+{
+ MTRR_LIB_GET_FIRMWARE_VARIABLE_MTRR_COUNT_CONTEXT *LocalContext;
+
+ LocalContext = (MTRR_LIB_GET_FIRMWARE_VARIABLE_MTRR_COUNT_CONTEXT *) Context;
+ LocalContext->NumberOfReservedVariableMtrrs = PatchPcdGet32 (PcdCpuNumberOfReservedVariableMtrrs);
+ return UNIT_TEST_PASSED;
+}
+
+/**
+ Clean up routine for UnitTestGetFirmwareVariableMtrrCount().
+
+ @param Context Point to a UINT32 data to save the PcdCpuNumberOfReservedVariableMtrrs.
+**/
+VOID
+EFIAPI
+RestorePcdValue (
+ UNIT_TEST_CONTEXT Context
+ )
+{
+ MTRR_LIB_GET_FIRMWARE_VARIABLE_MTRR_COUNT_CONTEXT *LocalContext;
+
+ LocalContext = (MTRR_LIB_GET_FIRMWARE_VARIABLE_MTRR_COUNT_CONTEXT *) Context;
+ PatchPcdSet32 (PcdCpuNumberOfReservedVariableMtrrs, LocalContext->NumberOfReservedVariableMtrrs);
+}
+
+/**
+ Initialize the unit test framework, suite, and unit tests for the
+ ResetSystemLib and run the ResetSystemLib unit test.
+
+ @param Iteration Iteration of testing MtrrSetMemoryAttributeInMtrrSettings
+ and MtrrSetMemoryAttributesInMtrrSettings using random inputs.
+
+ @retval EFI_SUCCESS All test cases were dispatched.
+ @retval EFI_OUT_OF_RESOURCES There are not enough resources available to
+ initialize the unit tests.
+**/
+STATIC
+EFI_STATUS
+EFIAPI
+UnitTestingEntry (
+ UINTN Iteration
+ )
+{
+ EFI_STATUS Status;
+ UNIT_TEST_FRAMEWORK_HANDLE Framework;
+ UNIT_TEST_SUITE_HANDLE MtrrApiTests;
+ UINTN Index;
+ UINTN SystemIndex;
+ MTRR_LIB_TEST_CONTEXT Context;
+ MTRR_LIB_GET_FIRMWARE_VARIABLE_MTRR_COUNT_CONTEXT GetFirmwareVariableMtrrCountContext;
+
+ Context.SystemParameter = &mDefaultSystemParameter;
+ GetFirmwareVariableMtrrCountContext.SystemParameter = &mDefaultSystemParameter;
+ Framework = NULL;
+
+ //
+ // Setup the test framework for running the tests.
+ //
+ Status = InitUnitTestFramework (&Framework, UNIT_TEST_APP_NAME, gEfiCallerBaseName, UNIT_TEST_APP_VERSION);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "Failed in InitUnitTestFramework. Status = %r\n", Status));
+ goto EXIT;
+ }
+
+ //
+ // --------------Suite-----------Description--------------Name----------Function--------Pre---Post-------------------Context-----------
+ //
+
+ //
+ // Populate the MtrrLib API Unit Test Suite.
+ //
+ Status = CreateUnitTestSuite (&MtrrApiTests, Framework, "MtrrLib API Tests", "MtrrLib.MtrrLib", NULL, NULL);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((DEBUG_ERROR, "Failed in CreateUnitTestSuite for MtrrLib API Tests\n"));
+ Status = EFI_OUT_OF_RESOURCES;
+ goto EXIT;
+ }
+ AddTestCase (MtrrApiTests, "Test IsMtrrSupported", "MtrrSupported", UnitTestIsMtrrSupported, NULL, NULL, &Context);
+ AddTestCase (MtrrApiTests, "Test GetVariableMtrrCount", "GetVariableMtrrCount", UnitTestGetVariableMtrrCount, NULL, NULL, &Context);
+ AddTestCase (MtrrApiTests, "Test GetFirmwareVariableMtrrCount", "GetFirmwareVariableMtrrCount", UnitTestGetFirmwareVariableMtrrCount, SavePcdValue, RestorePcdValue, &GetFirmwareVariableMtrrCountContext);
+ AddTestCase (MtrrApiTests, "Test MtrrGetMemoryAttribute", "MtrrGetMemoryAttribute", UnitTestMtrrGetMemoryAttribute, NULL, NULL, &Context);
+ AddTestCase (MtrrApiTests, "Test MtrrGetFixedMtrr", "MtrrGetFixedMtrr", UnitTestMtrrGetFixedMtrr, NULL, NULL, &Context);
+ AddTestCase (MtrrApiTests, "Test MtrrGetAllMtrrs", "MtrrGetAllMtrrs", UnitTestMtrrGetAllMtrrs, NULL, NULL, &Context);
+ AddTestCase (MtrrApiTests, "Test MtrrSetAllMtrrs", "MtrrSetAllMtrrs", UnitTestMtrrSetAllMtrrs, NULL, NULL, &Context);
+ AddTestCase (MtrrApiTests, "Test MtrrGetMemoryAttributeInVariableMtrr", "MtrrGetMemoryAttributeInVariableMtrr", UnitTestMtrrGetMemoryAttributeInVariableMtrr, NULL, NULL, &Context);
+ AddTestCase (MtrrApiTests, "Test MtrrDebugPrintAllMtrrs", "MtrrDebugPrintAllMtrrs", UnitTestMtrrDebugPrintAllMtrrs, NULL, NULL, &Context);
+ AddTestCase (MtrrApiTests, "Test MtrrGetDefaultMemoryType", "MtrrGetDefaultMemoryType", UnitTestMtrrGetDefaultMemoryType, NULL, NULL, &Context);
+
+ for (SystemIndex = 0; SystemIndex < ARRAY_SIZE (mSystemParameters); SystemIndex++) {
+ for (Index = 0; Index < Iteration; Index++) {
+ AddTestCase (MtrrApiTests, "Test InvalidMemoryLayouts", "InvalidMemoryLayouts", UnitTestInvalidMemoryLayouts, InitializeSystem, NULL, &mSystemParameters[SystemIndex]);
+ AddTestCase (MtrrApiTests, "Test MtrrSetMemoryAttributeInMtrrSettings", "MtrrSetMemoryAttributeInMtrrSettings", UnitTestMtrrSetMemoryAttributeInMtrrSettings, InitializeSystem, NULL, &mSystemParameters[SystemIndex]);
+ AddTestCase (MtrrApiTests, "Test MtrrSetMemoryAttributesInMtrrSettings", "MtrrSetMemoryAttributesInMtrrSettings", UnitTestMtrrSetMemoryAttributesInMtrrSettings, InitializeSystem, NULL, &mSystemParameters[SystemIndex]);
+ }
+ }
+ //
+ // Execute the tests.
+ //
+ Status = RunAllTestSuites (Framework);
+
+EXIT:
+ if (Framework != NULL) {
+ FreeUnitTestFramework (Framework);
+ }
+
+ return Status;
+}
+
+/**
+ Standard POSIX C entry point for host based unit test execution.
+
+ @param Argc Number of arguments.
+ @param Argv Array of arguments.
+
+ @return Test application exit code.
+**/
+INT32
+main (
+ INT32 Argc,
+ CHAR8 *Argv[]
+ )
+{
+ UINTN Count;
+
+ DEBUG ((DEBUG_INFO, "%a v%a\n", UNIT_TEST_APP_NAME, UNIT_TEST_APP_VERSION));
+ srand ((unsigned int) time (NULL));
+
+ //
+ // MtrrLibUnitTest generate-random-numbers <path to MtrrLib/UnitTest/RandomNumber.c> <random-number count>
+ //
+ if ((Argc == 4) && (AsciiStriCmp ("generate-random-numbers", Argv[1]) == 0)) {
+ Count = atoi (Argv[3]);
+ DEBUG ((DEBUG_INFO, "Generate %d random numbers to %a.\n", Count, Argv[2]));
+ GenerateRandomNumbers (Argv[2], Count);
+ return 0;
+ }
+
+ //
+ // MtrrLibUnitTest [<iterations>]
+ // <iterations> [fixed|random]
+ // Default <iterations> is 10.
+ // Default uses fixed inputs.
+ //
+ Count = 10;
+ mRandomInput = FALSE;
+ if ((Argc == 2) || (Argc == 3)) {
+ Count = atoi (Argv[1]);
+ if (Argc == 3) {
+ if (AsciiStriCmp ("fixed", Argv[2]) == 0) {
+ mRandomInput = FALSE;
+ } else if (AsciiStriCmp ("random", Argv[2]) == 0) {
+ mRandomInput = TRUE;
+ }
+ }
+ }
+
+ DEBUG ((DEBUG_INFO, "Iterations = %d\n", Count));
+ DEBUG ((DEBUG_INFO, "Input = %a\n", mRandomInput ? "random" : "fixed"));
+
+ return UnitTestingEntry (Count);
+}