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Vlv2TbltDevicePkg: Enhance get mtrr mask logic.

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In order to not use the deprecated macro, refine
get mtrr mask value logic.

Cc: Jeff Fan <jeff.fan@intel.com>
Cc: Ruiyu Ni <ruiyu.ni@intel.com>
Cc: David Wei <david.wei@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>
This commit is contained in:
Eric Dong
2017-08-02 18:28:00 +08:00
parent c894f83fe3
commit ff481bc5c6
1 changed files with 38 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

45
Vlv2TbltDevicePkg/PlatformInitPei/MemoryPeim.c
View File

@@ -70,6 +70,34 @@ GetMemorySize (
{ EfiMaxMemoryType, 0 }
};
STATIC
EFI_STATUS
GetMemorySize (
IN CONST EFI_PEI_SERVICES **PeiServices,
OUT UINT64 *LowMemoryLength,
OUT UINT64 *HighMemoryLength
);
/**
Initializes the valid address mask for MTRRs.
This function initializes the valid bits mask and valid address mask for MTRRs.
**/
UINT64
InitializeAddressMtrrMask (
VOID
)
{
UINT32 RegEax;
UINT8 PhysicalAddressBits;
UINT64 ValidMtrrBitsMask;
AsmCpuid (0x80000000, &RegEax, NULL, NULL, NULL);
if (RegEax >= 0x80000008) {
AsmCpuid (0x80000008, &RegEax, NULL, NULL, NULL);
PhysicalAddressBits = (UINT8) RegEax;
} else {
@@ -89,6 +117,7 @@ SetPeiCacheMode (
EFI_STATUS Status;
PEI_CACHE_PPI *CachePpi;
EFI_BOOT_MODE BootMode;
UINT64 MemoryLength;
UINT64 MemOverflow;
UINT64 MemoryLengthUc;
@@ -124,6 +153,8 @@ SetPeiCacheMode (
//
// Variable initialization
//
LowMemoryLength = 0;
HighMemoryLength = 0;
MemoryLengthUc = 0;
Status = (*PeiServices)->GetBootMode (
@@ -166,15 +197,15 @@ SetPeiCacheMode (
for (Index = 0; Index < 2; Index++) {
MtrrSetting.Fixed.Mtrr[Index]=0x0606060606060606;
}
for (Index = 2; Index < 11; Index++) {
for (Index = 2; Index < 11; Index++) {
MtrrSetting.Fixed.Mtrr[Index]=0x0505050505050505;
}
//
// Cache the flash area to improve the boot performance in PEI phase
// Cache the flash area to improve the boot performance in PEI phase
//
Index = 0;
MtrrSetting.Variables.Mtrr[0].Base = (FixedPcdGet32 (PcdFlashAreaBaseAddress) | CacheWriteProtected);
MtrrSetting.Variables.Mtrr[0].Base = (FixedPcdGet32 (PcdFlashAreaBaseAddress) | CacheWriteProtected);
MtrrSetting.Variables.Mtrr[0].Mask = ((~((UINT64)(FixedPcdGet32 (PcdFlashAreaSize) - 1))) & ValidMtrrAddressMask) | MTRR_LIB_CACHE_MTRR_ENABLED;
Index ++;
@@ -185,15 +216,15 @@ SetPeiCacheMode (
MemoryLength = GetPowerOfTwo64 (MemoryLength);
MtrrSetting.Variables.Mtrr[Index].Mask = ((~(MemoryLength - 1)) & ValidMtrrAddressMask) | MTRR_LIB_CACHE_MTRR_ENABLED;
MemOverflow += MemoryLength;
Index++;
MemOverflow += MemoryLength;
Index++;
}
MemoryLength = LowMemoryLength;
while (MaxMemoryLength != MemoryLength) {
MemoryLengthUc = GetPowerOfTwo64 (MaxMemoryLength - MemoryLength);
MtrrSetting.Variables.Mtrr[Index].Base = ((MaxMemoryLength - MemoryLengthUc) & ValidMtrrAddressMask) | CacheUncacheable;
MtrrSetting.Variables.Mtrr[Index].Mask= ((~(MemoryLengthUc - 1)) & ValidMtrrAddressMask) | MTRR_LIB_CACHE_MTRR_ENABLED;
MaxMemoryLength -= MemoryLengthUc;
@@ -201,7 +232,7 @@ SetPeiCacheMode (
}
MemOverflow =0x100000000;
while (HighMemoryLength > 0) {
while (HighMemoryLength > 0) {
MtrrSetting.Variables.Mtrr[Index].Base = (MemOverflow & ValidMtrrAddressMask) | CacheWriteBack;
MemoryLength = HighMemoryLength;
MemoryLength = GetPowerOfTwo64 (MemoryLength);