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[PATCH RESEND v9 08/36] x86/cpu: Add MSR numbers for FRED configuration



From: "H. Peter Anvin (Intel)" <hpa@xxxxxxxxx>

Add MSR numbers for the FRED configuration registers.

Originally-by: Megha Dey <megha.dey@xxxxxxxxx>
Signed-off-by: H. Peter Anvin (Intel) <hpa@xxxxxxxxx>
Tested-by: Shan Kang <shan.kang@xxxxxxxxx>
Signed-off-by: Xin Li <xin3.li@xxxxxxxxx>
---
 arch/x86/include/asm/msr-index.h       | 13 ++++++++++++-
 tools/arch/x86/include/asm/msr-index.h | 13 ++++++++++++-
 2 files changed, 24 insertions(+), 2 deletions(-)

diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h
index a00a53e15ab7..111fb76f6dbe 100644
--- a/arch/x86/include/asm/msr-index.h
+++ b/arch/x86/include/asm/msr-index.h
@@ -36,8 +36,19 @@
 #define EFER_FFXSR             (1<<_EFER_FFXSR)
 #define EFER_AUTOIBRS          (1<<_EFER_AUTOIBRS)
 
-/* Intel MSRs. Some also available on other CPUs */
+/* FRED MSRs */
+#define MSR_IA32_FRED_RSP0     0x1cc /* Level 0 stack pointer */
+#define MSR_IA32_FRED_RSP1     0x1cd /* Level 1 stack pointer */
+#define MSR_IA32_FRED_RSP2     0x1ce /* Level 2 stack pointer */
+#define MSR_IA32_FRED_RSP3     0x1cf /* Level 3 stack pointer */
+#define MSR_IA32_FRED_STKLVLS  0x1d0 /* Exception stack levels */
+#define MSR_IA32_FRED_SSP0     MSR_IA32_PL0_SSP /* Level 0 shadow stack 
pointer */
+#define MSR_IA32_FRED_SSP1     0x1d1 /* Level 1 shadow stack pointer */
+#define MSR_IA32_FRED_SSP2     0x1d2 /* Level 2 shadow stack pointer */
+#define MSR_IA32_FRED_SSP3     0x1d3 /* Level 3 shadow stack pointer */
+#define MSR_IA32_FRED_CONFIG   0x1d4 /* Entrypoint and interrupt stack level */
 
+/* Intel MSRs. Some also available on other CPUs */
 #define MSR_TEST_CTRL                          0x00000033
 #define MSR_TEST_CTRL_SPLIT_LOCK_DETECT_BIT    29
 #define MSR_TEST_CTRL_SPLIT_LOCK_DETECT                
BIT(MSR_TEST_CTRL_SPLIT_LOCK_DETECT_BIT)
diff --git a/tools/arch/x86/include/asm/msr-index.h 
b/tools/arch/x86/include/asm/msr-index.h
index 3aedae61af4f..565cade0785a 100644
--- a/tools/arch/x86/include/asm/msr-index.h
+++ b/tools/arch/x86/include/asm/msr-index.h
@@ -36,8 +36,19 @@
 #define EFER_FFXSR             (1<<_EFER_FFXSR)
 #define EFER_AUTOIBRS          (1<<_EFER_AUTOIBRS)
 
-/* Intel MSRs. Some also available on other CPUs */
+/* FRED MSRs */
+#define MSR_IA32_FRED_RSP0     0x1cc /* Level 0 stack pointer */
+#define MSR_IA32_FRED_RSP1     0x1cd /* Level 1 stack pointer */
+#define MSR_IA32_FRED_RSP2     0x1ce /* Level 2 stack pointer */
+#define MSR_IA32_FRED_RSP3     0x1cf /* Level 3 stack pointer */
+#define MSR_IA32_FRED_STKLVLS  0x1d0 /* Exception stack levels */
+#define MSR_IA32_FRED_SSP0     MSR_IA32_PL0_SSP /* Level 0 shadow stack 
pointer */
+#define MSR_IA32_FRED_SSP1     0x1d1 /* Level 1 shadow stack pointer */
+#define MSR_IA32_FRED_SSP2     0x1d2 /* Level 2 shadow stack pointer */
+#define MSR_IA32_FRED_SSP3     0x1d3 /* Level 3 shadow stack pointer */
+#define MSR_IA32_FRED_CONFIG   0x1d4 /* Entrypoint and interrupt stack level */
 
+/* Intel MSRs. Some also available on other CPUs */
 #define MSR_TEST_CTRL                          0x00000033
 #define MSR_TEST_CTRL_SPLIT_LOCK_DETECT_BIT    29
 #define MSR_TEST_CTRL_SPLIT_LOCK_DETECT                
BIT(MSR_TEST_CTRL_SPLIT_LOCK_DETECT_BIT)
-- 
2.34.1




 


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