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Add DEBUG() macros for DEBUG_CACHE to MTRR Library show all changes memory caches setting changes. 

If DEBUG_PROPERTY_DEBUG_CODE_ENABLED is also set in PcdDebugPropertyMask, then the entire set of MTRRs will be displayed on every memory cache setting change.



git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11231 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
mdkinney 2011-01-06 02:57:26 +00:00
parent f9d1f97c45
commit f877f3006e
2 changed files with 170 additions and 46 deletions
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7
UefiCpuPkg/CpuDxe/CpuDxe.c
View File

@ -1,7 +1,7 @@
/** @file
CPU DXE Module.
Copyright (c) 2008 - 2010, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2008 - 2011, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
@ -612,8 +612,6 @@ CpuSetMemoryAttributes (
return EFI_UNSUPPORTED;
}
DEBUG((EFI_D_ERROR, "CpuAp: SetMemorySpaceAttributes(BA=%08x, Len=%08x, Attr=%08x)\n", BaseAddress, Length, Attributes));
//
// If this function is called because GCD SetMemorySpaceAttributes () is called
// by RefreshGcdMemoryAttributes (), then we are just synchronzing GCD memory
@ -652,15 +650,12 @@ CpuSetMemoryAttributes (
//
// call MTRR libary function
//
DEBUG((EFI_D_ERROR, " MtrrSetMemoryAttribute()\n"));
Status = MtrrSetMemoryAttribute (
BaseAddress,
Length,
CacheType
);
MtrrDebugPrintAllMtrrs ();
return (EFI_STATUS) Status;
}

199
UefiCpuPkg/Library/MtrrLib/MtrrLib.c
View File

@ -1,7 +1,7 @@
/** @file
MTRR setting library
Copyright (c) 2008 - 2010, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2008 - 2011, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
@ -23,7 +23,7 @@
//
// This table defines the offset, base and length of the fixed MTRRs
//
FIXED_MTRR MtrrLibFixedMtrrTable[] = {
CONST FIXED_MTRR mMtrrLibFixedMtrrTable[] = {
{
MTRR_LIB_IA32_MTRR_FIX64K_00000,
0,
@ -81,6 +81,20 @@ FIXED_MTRR MtrrLibFixedMtrrTable[] = {
},
};
//
// Lookup table used to print MTRRs
//
GLOBAL_REMOVE_IF_UNREFERENCED CONST CHAR8 *mMtrrMemoryCacheTypeShortName[] = {
"UC", // CacheUncacheable
"WC", // CacheWriteCombining
"R*", // Invalid
"R*", // Invalid
"WT", // CacheWriteThrough
"WP", // CacheWriteProtected
"WB", // CacheWriteBack
"R*" // Invalid
};
/**
Returns the variable MTRR count for the CPU.
@ -252,11 +266,11 @@ ProgramFixedMtrr (
ClearMask = 0;
for (MsrNum = 0; MsrNum < MTRR_NUMBER_OF_FIXED_MTRR; MsrNum++) {
if ((*Base >= MtrrLibFixedMtrrTable[MsrNum].BaseAddress) &&
if ((*Base >= mMtrrLibFixedMtrrTable[MsrNum].BaseAddress) &&
(*Base <
(
MtrrLibFixedMtrrTable[MsrNum].BaseAddress +
(8 * MtrrLibFixedMtrrTable[MsrNum].Length)
mMtrrLibFixedMtrrTable[MsrNum].BaseAddress +
(8 * mMtrrLibFixedMtrrTable[MsrNum].Length)
)
)
) {
@ -274,8 +288,8 @@ ProgramFixedMtrr (
for (ByteShift = 0; ByteShift < 8; ByteShift++) {
if (*Base ==
(
MtrrLibFixedMtrrTable[MsrNum].BaseAddress +
(ByteShift * MtrrLibFixedMtrrTable[MsrNum].Length)
mMtrrLibFixedMtrrTable[MsrNum].BaseAddress +
(ByteShift * mMtrrLibFixedMtrrTable[MsrNum].Length)
)
) {
break;
@ -288,13 +302,13 @@ ProgramFixedMtrr (
for (
;
((ByteShift < 8) && (*Length >= MtrrLibFixedMtrrTable[MsrNum].Length));
((ByteShift < 8) && (*Length >= mMtrrLibFixedMtrrTable[MsrNum].Length));
ByteShift++
) {
OrMask |= LShiftU64 ((UINT64) MemoryCacheType, (UINT32) (ByteShift * 8));
ClearMask |= LShiftU64 ((UINT64) 0xFF, (UINT32) (ByteShift * 8));
*Length -= MtrrLibFixedMtrrTable[MsrNum].Length;
*Base += MtrrLibFixedMtrrTable[MsrNum].Length;
*Length -= mMtrrLibFixedMtrrTable[MsrNum].Length;
*Base += mMtrrLibFixedMtrrTable[MsrNum].Length;
}
if (ByteShift < 8 && (*Length != 0)) {
@ -302,8 +316,8 @@ ProgramFixedMtrr (
}
TempQword =
(AsmReadMsr64 (MtrrLibFixedMtrrTable[MsrNum].Msr) & ~ClearMask) | OrMask;
AsmWriteMsr64 (MtrrLibFixedMtrrTable[MsrNum].Msr, TempQword);
(AsmReadMsr64 (mMtrrLibFixedMtrrTable[MsrNum].Msr) & ~ClearMask) | OrMask;
AsmWriteMsr64 (mMtrrLibFixedMtrrTable[MsrNum].Msr, TempQword);
return RETURN_SUCCESS;
}
@ -887,8 +901,11 @@ MtrrSetMemoryAttribute (
UINT32 FirmwareVariableMtrrCount;
UINT32 VariableMtrrEnd;
DEBUG((DEBUG_CACHE, "MtrrSetMemoryAttribute() %a:%016lx-%016lx\n", mMtrrMemoryCacheTypeShortName[Attribute], BaseAddress, Length));
if (!IsMtrrSupported ()) {
return RETURN_UNSUPPORTED;
Status = RETURN_UNSUPPORTED;
goto Done;
}
FirmwareVariableMtrrCount = GetFirmwareVariableMtrrCount ();
@ -904,14 +921,16 @@ MtrrSetMemoryAttribute (
// Check for an invalid parameter
//
if (Length == 0) {
return RETURN_INVALID_PARAMETER;
Status = RETURN_INVALID_PARAMETER;
goto Done;
}
if (
(BaseAddress & ~MtrrValidAddressMask) != 0 ||
(Length & ~MtrrValidAddressMask) != 0
) {
return RETURN_UNSUPPORTED;
Status = RETURN_UNSUPPORTED;
goto Done;
}
//
@ -923,7 +942,7 @@ MtrrSetMemoryAttribute (
Status = ProgramFixedMtrr (MemoryType, &BaseAddress, &Length);
PostMtrrChange (Cr4);
if (RETURN_ERROR (Status)) {
return Status;
goto Done;
}
}
@ -938,7 +957,7 @@ MtrrSetMemoryAttribute (
//
// Since memory ranges below 1MB will be overridden by the fixed MTRRs,
// we can set the bade to 0 to save variable MTRRs.
// we can set the base to 0 to save variable MTRRs.
//
if (BaseAddress == BASE_1MB) {
BaseAddress = 0;
@ -1099,8 +1118,12 @@ MtrrSetMemoryAttribute (
}
Done:
return Status;
DEBUG((DEBUG_CACHE, " Status = %r\n", Status));
if (!RETURN_ERROR (Status)) {
MtrrDebugPrintAllMtrrs ();
}
return Status;
}
@ -1154,16 +1177,16 @@ MtrrGetMemoryAttribute (
// Go through the fixed MTRR
//
for (Index = 0; Index < MTRR_NUMBER_OF_FIXED_MTRR; Index++) {
if (Address >= MtrrLibFixedMtrrTable[Index].BaseAddress &&
if (Address >= mMtrrLibFixedMtrrTable[Index].BaseAddress &&
Address < (
MtrrLibFixedMtrrTable[Index].BaseAddress +
(MtrrLibFixedMtrrTable[Index].Length * 8)
mMtrrLibFixedMtrrTable[Index].BaseAddress +
(mMtrrLibFixedMtrrTable[Index].Length * 8)
)
) {
SubIndex =
((UINTN)Address - MtrrLibFixedMtrrTable[Index].BaseAddress) /
MtrrLibFixedMtrrTable[Index].Length;
TempQword = AsmReadMsr64 (MtrrLibFixedMtrrTable[Index].Msr);
((UINTN)Address - mMtrrLibFixedMtrrTable[Index].BaseAddress) /
mMtrrLibFixedMtrrTable[Index].Length;
TempQword = AsmReadMsr64 (mMtrrLibFixedMtrrTable[Index].Msr);
MtrrType = RShiftU64 (TempQword, SubIndex * 8) & 0xFF;
return GetMemoryCacheTypeFromMtrrType (MtrrType);
}
@ -1312,7 +1335,7 @@ MtrrGetFixedMtrr (
for (Index = 0; Index < MTRR_NUMBER_OF_FIXED_MTRR; Index++) {
FixedSettings->Mtrr[Index] =
AsmReadMsr64 (MtrrLibFixedMtrrTable[Index].Msr);
AsmReadMsr64 (mMtrrLibFixedMtrrTable[Index].Msr);
};
return FixedSettings;
@ -1333,7 +1356,7 @@ MtrrSetFixedMtrrWorker (
for (Index = 0; Index < MTRR_NUMBER_OF_FIXED_MTRR; Index++) {
AsmWriteMsr64 (
MtrrLibFixedMtrrTable[Index].Msr,
mMtrrLibFixedMtrrTable[Index].Msr,
FixedSettings->Mtrr[Index]
);
}
@ -1447,7 +1470,6 @@ MtrrSetAllMtrrs (
return MtrrSetting;
}
/**
This function prints all MTRRs for debugging.
**/
@ -1461,31 +1483,138 @@ MtrrDebugPrintAllMtrrs (
{
MTRR_SETTINGS MtrrSettings;
UINTN Index;
UINTN Index1;
UINTN VariableMtrrCount;
UINT64 Base;
UINT64 Limit;
UINT64 MtrrBase;
UINT64 MtrrLimit;
UINT64 RangeBase;
UINT64 RangeLimit;
UINT64 NoRangeBase;
UINT64 NoRangeLimit;
UINT32 RegEax;
UINTN MemoryType;
UINTN PreviousMemoryType;
BOOLEAN Found;
if (!IsMtrrSupported ()) {
return;
}
DEBUG((DEBUG_CACHE, "MTRR Settings\n"));
DEBUG((DEBUG_CACHE, "=============\n"));
MtrrGetAllMtrrs (&MtrrSettings);
DEBUG((EFI_D_ERROR, "DefaultType = %016lx\n", MtrrSettings.MtrrDefType));
DEBUG((DEBUG_CACHE, "MTRR Default Type: %016lx\n", MtrrSettings.MtrrDefType));
for (Index = 0; Index < MTRR_NUMBER_OF_FIXED_MTRR; Index++) {
DEBUG((
EFI_D_ERROR, "Fixed[%02d] = %016lx\n",
Index,
MtrrSettings.Fixed.Mtrr[Index]
));
DEBUG((DEBUG_CACHE, "Fixed MTRR[%02d] : %016lx\n", Index, MtrrSettings.Fixed.Mtrr[Index]));
}
VariableMtrrCount = GetVariableMtrrCount ();
for (Index = 0; Index < VariableMtrrCount; Index++) {
DEBUG((
EFI_D_ERROR, "Variable[%02d] = %016lx, %016lx\n",
DEBUG((DEBUG_CACHE, "Variable MTRR[%02d]: Base=%016lx Mask=%016lx\n",
Index,
MtrrSettings.Variables.Mtrr[Index].Base,
MtrrSettings.Variables.Mtrr[Index].Mask
));
}
DEBUG((DEBUG_CACHE, "\n"));
DEBUG((DEBUG_CACHE, "MTRR Ranges\n"));
DEBUG((DEBUG_CACHE, "====================================\n"));
Base = 0;
PreviousMemoryType = MTRR_CACHE_INVALID_TYPE;
for (Index = 0; Index < MTRR_NUMBER_OF_FIXED_MTRR; Index++) {
Base = mMtrrLibFixedMtrrTable[Index].BaseAddress;
for (Index1 = 0; Index1 < 8; Index1++) {
MemoryType = RShiftU64 (MtrrSettings.Fixed.Mtrr[Index], Index1 * 8) & 0xff;
if (MemoryType > CacheWriteBack) {
MemoryType = MTRR_CACHE_INVALID_TYPE;
}
if (MemoryType != PreviousMemoryType) {
if (PreviousMemoryType != MTRR_CACHE_INVALID_TYPE) {
DEBUG((DEBUG_CACHE, "%016lx\n", Base - 1));
}
PreviousMemoryType = MemoryType;
DEBUG((DEBUG_CACHE, "%a:%016lx-", mMtrrMemoryCacheTypeShortName[MemoryType], Base));
}
Base += mMtrrLibFixedMtrrTable[Index].Length;
}
}
DEBUG((DEBUG_CACHE, "%016lx\n", Base - 1));
VariableMtrrCount = GetVariableMtrrCount ();
Base = BASE_1MB;
PreviousMemoryType = MTRR_CACHE_INVALID_TYPE;
do {
MemoryType = MtrrGetMemoryAttribute (Base);
if (MemoryType > CacheWriteBack) {
MemoryType = MTRR_CACHE_INVALID_TYPE;
}
if (MemoryType != PreviousMemoryType) {
if (PreviousMemoryType != MTRR_CACHE_INVALID_TYPE) {
DEBUG((DEBUG_CACHE, "%016lx\n", Base - 1));
}
PreviousMemoryType = MemoryType;
DEBUG((DEBUG_CACHE, "%a:%016lx-", mMtrrMemoryCacheTypeShortName[MemoryType], Base));
}
RangeBase = BASE_1MB;
NoRangeBase = BASE_1MB;
Limit = BIT36 - 1;
AsmCpuid (0x80000000, &RegEax, NULL, NULL, NULL);
if (RegEax >= 0x80000008) {
AsmCpuid (0x80000008, &RegEax, NULL, NULL, NULL);
Limit = LShiftU64 (1, RegEax & 0xff) - 1;
}
RangeLimit = Limit;
NoRangeLimit = Limit;
for (Index = 0, Found = FALSE; Index < VariableMtrrCount; Index++) {
if ((MtrrSettings.Variables.Mtrr[Index].Mask & BIT11) == 0) {
//
// If mask is not valid, then do not display range
//
continue;
}
MtrrBase = (MtrrSettings.Variables.Mtrr[Index].Base & (~(SIZE_4KB - 1)));
MtrrLimit = MtrrBase + ((~(MtrrSettings.Variables.Mtrr[Index].Mask & (~(SIZE_4KB - 1)))) & Limit);
if (Base >= MtrrBase && Base < MtrrLimit) {
Found = TRUE;
}
if (Base >= MtrrBase && MtrrBase > RangeBase) {
RangeBase = MtrrBase;
}
if (Base > MtrrLimit && MtrrLimit > RangeBase) {
RangeBase = MtrrLimit + 1;
}
if (Base < MtrrBase && MtrrBase < RangeLimit) {
RangeLimit = MtrrBase - 1;
}
if (Base < MtrrLimit && MtrrLimit <= RangeLimit) {
RangeLimit = MtrrLimit;
}
if (Base > MtrrLimit && NoRangeBase < MtrrLimit) {
NoRangeBase = MtrrLimit + 1;
}
if (Base < MtrrBase && NoRangeLimit > MtrrBase) {
NoRangeLimit = MtrrBase - 1;
}
}
if (Found) {
Base = RangeLimit + 1;
} else {
Base = NoRangeLimit + 1;
}
} while (Found);
DEBUG((DEBUG_CACHE, "%016lx\n\n", Base - 1));
}
);
}