diff options
Diffstat (limited to 'Silicon/Intel/KabylakeSiliconPkg/Cpu/IncludePrivate/Library/CpuCommonLib.h')
-rw-r--r-- | Silicon/Intel/KabylakeSiliconPkg/Cpu/IncludePrivate/Library/CpuCommonLib.h | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/Silicon/Intel/KabylakeSiliconPkg/Cpu/IncludePrivate/Library/CpuCommonLib.h b/Silicon/Intel/KabylakeSiliconPkg/Cpu/IncludePrivate/Library/CpuCommonLib.h new file mode 100644 index 0000000000..8099236d88 --- /dev/null +++ b/Silicon/Intel/KabylakeSiliconPkg/Cpu/IncludePrivate/Library/CpuCommonLib.h @@ -0,0 +1,192 @@ +/** @file
+ Header file for Cpu Common Lib implementation.
+
+Copyright (c) 2017, 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 that accompanies this distribution.
+The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php.
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#ifndef _CPU_COMMON_LIB_H_
+#define _CPU_COMMON_LIB_H_
+
+typedef UINT32 CPU_RESET_TYPE;
+
+#define NO_RESET 0
+#define WARM_RESET BIT0
+#define COLD_RESET (BIT0 | BIT1)
+
+
+/**
+ Set up flags in CR4 for XMM instruction enabling
+**/
+VOID
+EFIAPI
+XmmInit (
+ VOID
+ );
+
+/**
+ Enable "Machine Check Enable"
+**/
+VOID
+EFIAPI
+EnableMce (
+ VOID
+ );
+
+/**
+ Mtrr Synch Up Entry
+**/
+UINTN
+EFIAPI
+MpMtrrSynchUpEntry (
+ VOID
+ );
+
+/**
+ Mtrr Synch Up Exit
+**/
+VOID
+EFIAPI
+MpMtrrSynchUpExit (
+ UINTN Cr4
+ );
+
+/**
+ This procedure sends an IPI to the designated processor in
+ the requested delivery mode with the requested vector.
+
+ @param[in] ApicID - APIC ID of processor.
+ @param[in] VectorNumber - Vector number.
+ @param[in] DeliveryMode - I/O APIC Interrupt Deliver Modes
+
+ @retval EFI_INVALID_PARAMETER - Input paramters were not correct.
+ @retval EFI_NOT_READY - There was a pending interrupt
+ @retval EFI_SUCCESS - Interrupt sent successfully
+**/
+EFI_STATUS
+EFIAPI
+CpuSendIpi (
+ IN UINT32 ApicID,
+ IN UINTN VectorNumber,
+ IN UINTN DeliveryMode
+ );
+
+
+/**
+ Get APIC ID of processor
+
+ @retval APIC ID of processor
+**/
+UINT32
+GetCpuApicId (
+ VOID
+ );
+
+/**
+ Programs XAPIC registers.
+
+ @param[in] Bsp - Is this BSP?
+**/
+VOID
+ProgramXApic (
+ BOOLEAN Bsp
+ );
+
+/**
+ This function is to disable BIOS Write Protect in SMM phase.
+**/
+VOID
+EFIAPI
+CpuSmmDisableBiosWriteProtect (
+ VOID
+ );
+
+/**
+ This function is to enable BIOS Write Protect in SMM phase.
+**/
+VOID
+EFIAPI
+CpuSmmEnableBiosWriteProtect (
+ VOID
+ );
+
+/**
+ This function returns the maximum number of cores supported in this physical processor package.
+
+ @retval Maximum number of supported cores in the package.
+**/
+UINT8
+GetMaxSupportedCoreCount (
+ VOID
+ );
+
+/**
+ This function returns the actual factory-configured number of threads per core,
+ and actual factory-configured number of cores in this physical processor package.
+
+ @param[out] *ThreadsPerCore - variable that will store Maximum enabled threads per core
+ @param[out] *NumberOfCores - variable that will store Maximum enabled cores per die
+**/
+VOID
+GetSupportedCount (
+ OUT UINT16 *ThreadsPerCore, OPTIONAL
+ OUT UINT16 *NumberOfCores OPTIONAL
+ );
+
+
+/**
+ Check to see if the executing thread is BSP
+
+ @retval TRUE Executing thread is BSP
+ @retval FALSE Executing thread is AP
+**/
+BOOLEAN
+IsBsp (
+ VOID
+ );
+
+
+/**
+ Return TRUE if PRMRR base was already set on this core and was
+ locked
+
+ @retval TRUE PRMRR base was already set
+ @retval FALSE PRMRR base wasn't set
+**/
+BOOLEAN
+IsPrmrrAlreadySet (
+ VOID
+ );
+
+/**
+ Check if this is non-core processor - HT AP thread
+
+ @retval TRUE if this is HT AP thread
+ @retval FALSE if this is core thread
+**/
+BOOLEAN
+IsSecondaryThread (
+ VOID
+ );
+
+
+/**
+ Based on ResetType, perform warm or cold reset using PCH reset PPI.
+
+ @param[in] ResetType - CPU_RESET_TYPE to indicate which reset should be performed.
+
+ @retval EFI_SUCCESS - Function successful (system should already reset).
+ @retval EFI_UNSUPPORTED - Reset type unsupported.
+**/
+EFI_STATUS
+PerformWarmOrColdReset (
+ IN CPU_RESET_TYPE ResetType
+ );
+#endif
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