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UefiCpuPkg/MtrrLib: Add MtrrDebugPrintAllMtrrsWorker() 

MtrrDebugPrintAllMtrrsWorker() provides the capability to dump the MTRR setting
from MTRRs or the input MTRR settings buffer.

Cc: Feng Tian <feng.tian@intel.com>
Cc: Michael Kinney <michael.d.kinney@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Michael Kinney <michael.d.kinney@intel.com>
Signed-off-by: Jeff Fan <jeff.fan@intel.com>
Reviewed-by: Feng Tian <feng.tian@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@19161 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Michael Kinney 2015-12-08 05:25:48 +00:00 committed by vanjeff
parent 5abd5ed4c4
commit 16c2d37e9a
1 changed files with 43 additions and 17 deletions
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60
UefiCpuPkg/Library/MtrrLib/MtrrLib.c
View File

@ -1248,18 +1248,23 @@ MtrrGetMemoryAttribute (
return MtrrGetMemoryAttributeByAddressWorker (NULL, Address);
}
/**
This function prints all MTRRs for debugging.
Worker function prints all MTRRs for debugging.
If MtrrSetting is not NULL, print MTRR settings from from input MTRR
settings buffer.
If MtrrSetting is NULL, print MTRR settings from MTRRs.
@param MtrrSetting A buffer holding all MTRRs content.
**/
VOID
EFIAPI
MtrrDebugPrintAllMtrrs (
VOID
MtrrDebugPrintAllMtrrsWorker (
IN MTRR_SETTINGS *MtrrSetting
)
{
DEBUG_CODE (
MTRR_SETTINGS MtrrSettings;
MTRR_SETTINGS LocalMtrrs;
MTRR_SETTINGS *Mtrrs;
UINTN Index;
UINTN Index1;
UINTN VariableMtrrCount;
@ -1283,18 +1288,24 @@ MtrrDebugPrintAllMtrrs (
DEBUG((DEBUG_CACHE, "MTRR Settings\n"));
DEBUG((DEBUG_CACHE, "=============\n"));
MtrrGetAllMtrrs (&MtrrSettings);
DEBUG((DEBUG_CACHE, "MTRR Default Type: %016lx\n", MtrrSettings.MtrrDefType));
if (MtrrSetting != NULL) {
Mtrrs = MtrrSetting;
} else {
MtrrGetAllMtrrs (&LocalMtrrs);
Mtrrs = &LocalMtrrs;
}
DEBUG((DEBUG_CACHE, "MTRR Default Type: %016lx\n", Mtrrs->MtrrDefType));
for (Index = 0; Index < MTRR_NUMBER_OF_FIXED_MTRR; Index++) {
DEBUG((DEBUG_CACHE, "Fixed MTRR[%02d] : %016lx\n", Index, MtrrSettings.Fixed.Mtrr[Index]));
DEBUG((DEBUG_CACHE, "Fixed MTRR[%02d] : %016lx\n", Index, Mtrrs->Fixed.Mtrr[Index]));
}
VariableMtrrCount = GetVariableMtrrCount ();
for (Index = 0; Index < VariableMtrrCount; Index++) {
DEBUG((DEBUG_CACHE, "Variable MTRR[%02d]: Base=%016lx Mask=%016lx\n",
Index,
MtrrSettings.Variables.Mtrr[Index].Base,
MtrrSettings.Variables.Mtrr[Index].Mask
Mtrrs->Variables.Mtrr[Index].Base,
Mtrrs->Variables.Mtrr[Index].Mask
));
}
DEBUG((DEBUG_CACHE, "\n"));
@ -1306,7 +1317,7 @@ MtrrDebugPrintAllMtrrs (
for (Index = 0; Index < MTRR_NUMBER_OF_FIXED_MTRR; Index++) {
Base = mMtrrLibFixedMtrrTable[Index].BaseAddress;
for (Index1 = 0; Index1 < 8; Index1++) {
MemoryType = (UINTN)(RShiftU64 (MtrrSettings.Fixed.Mtrr[Index], Index1 * 8) & 0xff);
MemoryType = (UINTN)(RShiftU64 (Mtrrs->Fixed.Mtrr[Index], Index1 * 8) & 0xff);
if (MemoryType > CacheWriteBack) {
MemoryType = MTRR_CACHE_INVALID_TYPE;
}
@ -1333,7 +1344,7 @@ MtrrDebugPrintAllMtrrs (
Base = BASE_1MB;
PreviousMemoryType = MTRR_CACHE_INVALID_TYPE;
do {
MemoryType = MtrrGetMemoryAttribute (Base);
MemoryType = MtrrGetMemoryAttributeByAddressWorker (Mtrrs, Base);
if (MemoryType > CacheWriteBack) {
MemoryType = MTRR_CACHE_INVALID_TYPE;
}
@ -1352,14 +1363,14 @@ MtrrDebugPrintAllMtrrs (
NoRangeLimit = Limit;
for (Index = 0, Found = FALSE; Index < VariableMtrrCount; Index++) {
if ((MtrrSettings.Variables.Mtrr[Index].Mask & BIT11) == 0) {
if ((Mtrrs->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);
MtrrBase = (Mtrrs->Variables.Mtrr[Index].Base & (~(SIZE_4KB - 1)));
MtrrLimit = MtrrBase + ((~(Mtrrs->Variables.Mtrr[Index].Mask & (~(SIZE_4KB - 1)))) & Limit);
if (Base >= MtrrBase && Base < MtrrLimit) {
Found = TRUE;
@ -1395,8 +1406,23 @@ MtrrDebugPrintAllMtrrs (
DEBUG((DEBUG_CACHE, "%016lx\n\n", Base - 1));
);
}
/**
This function attempts to set the attributes for a memory range.
This function prints all MTRRs for debugging.
**/
VOID
EFIAPI
MtrrDebugPrintAllMtrrs (
VOID
)
{
MtrrDebugPrintAllMtrrsWorker (NULL);
}
/**
Worker function attempts to set the attributes for a memory range.
@param[in] BaseAddress The physical address that is the start
address of a memory region.