diff options
| author | Michael Kinney <michael.d.kinney@intel.com> | 2015-12-08 05:25:48 +0000 |
|---|---|---|
| committer | vanjeff <vanjeff@Edk2> | 2015-12-08 05:25:48 +0000 |
| commit | 16c2d37e9ab008e3be7964ab689fe150e90df88f (patch) | |
| tree | d17fb8df9e3051e2e6ece521ae18ebcf5b1850e9 /UefiCpuPkg | |
| parent | 5abd5ed4c48cee350c4a3524aa99c8125513b82d (diff) | |
| download | edk2-platforms-16c2d37e9ab008e3be7964ab689fe150e90df88f.tar.xz | |
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
Diffstat (limited to 'UefiCpuPkg')
| -rw-r--r-- | UefiCpuPkg/Library/MtrrLib/MtrrLib.c | 60 |
1 files changed, 43 insertions, 17 deletions
diff --git a/UefiCpuPkg/Library/MtrrLib/MtrrLib.c b/UefiCpuPkg/Library/MtrrLib/MtrrLib.c index 4c76abf9eb..a5bfa88016 100644 --- a/UefiCpuPkg/Library/MtrrLib/MtrrLib.c +++ b/UefiCpuPkg/Library/MtrrLib/MtrrLib.c @@ -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 prints all MTRRs for debugging.
+**/
+VOID
+EFIAPI
+MtrrDebugPrintAllMtrrs (
+ VOID
+ )
+{
+ MtrrDebugPrintAllMtrrsWorker (NULL);
+}
+
+
/**
- This function attempts to set the attributes for a memory range.
+ 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.
|