diff options
Diffstat (limited to 'UefiCpuPkg/Library/SmmCpuFeaturesLib/SmmCpuFeaturesLib.c')
| -rw-r--r-- | UefiCpuPkg/Library/SmmCpuFeaturesLib/SmmCpuFeaturesLib.c | 77 |
1 files changed, 16 insertions, 61 deletions
diff --git a/UefiCpuPkg/Library/SmmCpuFeaturesLib/SmmCpuFeaturesLib.c b/UefiCpuPkg/Library/SmmCpuFeaturesLib/SmmCpuFeaturesLib.c index 1754f2df5f..31d73cd0b8 100644 --- a/UefiCpuPkg/Library/SmmCpuFeaturesLib/SmmCpuFeaturesLib.c +++ b/UefiCpuPkg/Library/SmmCpuFeaturesLib/SmmCpuFeaturesLib.c @@ -41,6 +41,16 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. #define SMM_FEATURES_LIB_IA32_MCA_CAP 0x17D
#define SMM_CODE_ACCESS_CHK_BIT BIT58
+/**
+ Internal worker function that is called to complete CPU initialization at the
+ end of SmmCpuFeaturesInitializeProcessor()
+
+**/
+VOID
+FinishSmmCpuFeaturesInitializeProcessor (
+ VOID
+ );
+
//
// Set default value to assume SMRR is not supported
//
@@ -257,7 +267,7 @@ SmmCpuFeaturesInitializeProcessor ( // Print message and halt if CPU is Monarch
//
if (IsMonarch) {
- DEBUG ((EFI_D_ERROR, "SMM Base/Size does not meet alignment/size requirement!\n"));
+ DEBUG ((DEBUG_ERROR, "SMM Base/Size does not meet alignment/size requirement!\n"));
CpuDeadLoop ();
}
} else {
@@ -296,6 +306,11 @@ SmmCpuFeaturesInitializeProcessor ( }
}
}
+
+ //
+ // Call internal worker function that completes the CPU initialization
+ //
+ FinishSmmCpuFeaturesInitializeProcessor ();
}
/**
@@ -357,66 +372,6 @@ SmmCpuFeaturesSmmRelocationComplete ( }
/**
- Return the size, in bytes, of a custom SMI Handler in bytes. If 0 is
- returned, then a custom SMI handler is not provided by this library,
- and the default SMI handler must be used.
-
- @retval 0 Use the default SMI handler.
- @retval > 0 Use the SMI handler installed by SmmCpuFeaturesInstallSmiHandler()
- The caller is required to allocate enough SMRAM for each CPU to
- support the size of the custom SMI handler.
-**/
-UINTN
-EFIAPI
-SmmCpuFeaturesGetSmiHandlerSize (
- VOID
- )
-{
- return 0;
-}
-
-/**
- Install a custom SMI handler for the CPU specified by CpuIndex. This function
- is only called if SmmCpuFeaturesGetSmiHandlerSize() returns a size is greater
- than zero and is called by the CPU that was elected as monarch during System
- Management Mode initialization.
-
- @param[in] CpuIndex The index of the CPU to install the custom SMI handler.
- The value must be between 0 and the NumberOfCpus field
- in the System Management System Table (SMST).
- @param[in] SmBase The SMBASE address for the CPU specified by CpuIndex.
- @param[in] SmiStack The stack to use when an SMI is processed by the
- the CPU specified by CpuIndex.
- @param[in] StackSize The size, in bytes, if the stack used when an SMI is
- processed by the CPU specified by CpuIndex.
- @param[in] GdtBase The base address of the GDT to use when an SMI is
- processed by the CPU specified by CpuIndex.
- @param[in] GdtSize The size, in bytes, of the GDT used when an SMI is
- processed by the CPU specified by CpuIndex.
- @param[in] IdtBase The base address of the IDT to use when an SMI is
- processed by the CPU specified by CpuIndex.
- @param[in] IdtSize The size, in bytes, of the IDT used when an SMI is
- processed by the CPU specified by CpuIndex.
- @param[in] Cr3 The base address of the page tables to use when an SMI
- is processed by the CPU specified by CpuIndex.
-**/
-VOID
-EFIAPI
-SmmCpuFeaturesInstallSmiHandler (
- IN UINTN CpuIndex,
- IN UINT32 SmBase,
- IN VOID *SmiStack,
- IN UINTN StackSize,
- IN UINTN GdtBase,
- IN UINTN GdtSize,
- IN UINTN IdtBase,
- IN UINTN IdtSize,
- IN UINT32 Cr3
- )
-{
-}
-
-/**
Determines if MTRR registers must be configured to set SMRAM cache-ability
when executing in System Management Mode.
|