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-rw-r--r-- | UefiCpuPkg/Include/Register/Msr/PentiumMsr.h | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/UefiCpuPkg/Include/Register/Msr/PentiumMsr.h b/UefiCpuPkg/Include/Register/Msr/PentiumMsr.h new file mode 100644 index 0000000000..a8916b4a44 --- /dev/null +++ b/UefiCpuPkg/Include/Register/Msr/PentiumMsr.h @@ -0,0 +1,121 @@ +/** @file
+ MSR Definitions for Pentium Processors.
+
+ Provides defines for Machine Specific Registers(MSR) indexes. Data structures
+ are provided for MSRs that contain one or more bit fields. If the MSR value
+ returned is a single 32-bit or 64-bit value, then a data structure is not
+ provided for that MSR.
+
+ Copyright (c) 2016, 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
+ which 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.
+
+ @par Specification Reference:
+ Intel(R) 64 and IA-32 Architectures Software Developer's Manual, Volume 3,
+ December 2015, Chapter 35 Model-Specific-Registers (MSR), Section 35-20.
+
+**/
+
+#ifndef __PENTIUM_MSR_H__
+#define __PENTIUM_MSR_H__
+
+#include <Register/ArchitecturalMsr.h>
+
+/**
+ See Section 15.10.2, "Pentium Processor Machine-Check Exception Handling.".
+
+ @param ECX MSR_PENTIUM_P5_MC_ADDR (0x00000000)
+ @param EAX Lower 32-bits of MSR value.
+ @param EDX Upper 32-bits of MSR value.
+
+ <b>Example usage</b>
+ @code
+ UINT64 Msr;
+
+ Msr = AsmReadMsr64 (MSR_PENTIUM_P5_MC_ADDR);
+ AsmWriteMsr64 (MSR_PENTIUM_P5_MC_ADDR, Msr);
+ @endcode
+**/
+#define MSR_PENTIUM_P5_MC_ADDR 0x00000000
+
+
+/**
+ See Section 15.10.2, "Pentium Processor Machine-Check Exception Handling.".
+
+ @param ECX MSR_PENTIUM_P5_MC_TYPE (0x00000001)
+ @param EAX Lower 32-bits of MSR value.
+ @param EDX Upper 32-bits of MSR value.
+
+ <b>Example usage</b>
+ @code
+ UINT64 Msr;
+
+ Msr = AsmReadMsr64 (MSR_PENTIUM_P5_MC_TYPE);
+ AsmWriteMsr64 (MSR_PENTIUM_P5_MC_TYPE, Msr);
+ @endcode
+**/
+#define MSR_PENTIUM_P5_MC_TYPE 0x00000001
+
+
+/**
+ See Section 17.14, "Time-Stamp Counter.".
+
+ @param ECX MSR_PENTIUM_TSC (0x00000010)
+ @param EAX Lower 32-bits of MSR value.
+ @param EDX Upper 32-bits of MSR value.
+
+ <b>Example usage</b>
+ @code
+ UINT64 Msr;
+
+ Msr = AsmReadMsr64 (MSR_PENTIUM_TSC);
+ AsmWriteMsr64 (MSR_PENTIUM_TSC, Msr);
+ @endcode
+**/
+#define MSR_PENTIUM_TSC 0x00000010
+
+
+/**
+ See Section 18.20.1, "Control and Event Select Register (CESR).".
+
+ @param ECX MSR_PENTIUM_CESR (0x00000011)
+ @param EAX Lower 32-bits of MSR value.
+ @param EDX Upper 32-bits of MSR value.
+
+ <b>Example usage</b>
+ @code
+ UINT64 Msr;
+
+ Msr = AsmReadMsr64 (MSR_PENTIUM_CESR);
+ AsmWriteMsr64 (MSR_PENTIUM_CESR, Msr);
+ @endcode
+**/
+#define MSR_PENTIUM_CESR 0x00000011
+
+
+/**
+ Section 18.20.3, "Events Counted.".
+
+ @param ECX MSR_PENTIUM_CTRn
+ @param EAX Lower 32-bits of MSR value.
+ @param EDX Upper 32-bits of MSR value.
+
+ <b>Example usage</b>
+ @code
+ UINT64 Msr;
+
+ Msr = AsmReadMsr64 (MSR_PENTIUM_CTR0);
+ AsmWriteMsr64 (MSR_PENTIUM_CTR0, Msr);
+ @endcode
+ @{
+**/
+#define MSR_PENTIUM_CTR0 0x00000012
+#define MSR_PENTIUM_CTR1 0x00000013
+/// @}
+
+#endif
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