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Date: Thu, 25 Jan 2024 18:21:33 -0000 From: "tip-bot2 for H. Peter Anvin (Intel)" <tip-bot2@...utronix.de> To: linux-tip-commits@...r.kernel.org Cc: Megha Dey <megha.dey@...el.com>, "H. Peter Anvin (Intel)" <hpa@...or.com>, Xin Li <xin3.li@...el.com>, Thomas Gleixner <tglx@...utronix.de>, Shan Kang <shan.kang@...el.com>, x86@...nel.org, linux-kernel@...r.kernel.org Subject: [tip: x86/fred] x86/cpu: Add MSR numbers for FRED configuration The following commit has been merged into the x86/fred branch of tip: Commit-ID: ddac193611e57d194328ebb0439ebd5ae4025b9d Gitweb: https://git.kernel.org/tip/ddac193611e57d194328ebb0439ebd5ae4025b9d Author: H. Peter Anvin (Intel) <hpa@...or.com> AuthorDate: Tue, 05 Dec 2023 02:50:01 -08:00 Committer: Thomas Gleixner <tglx@...utronix.de> CommitterDate: Thu, 25 Jan 2024 19:10:30 +01:00 x86/cpu: Add MSR numbers for FRED configuration Add MSR numbers for the FRED configuration registers per FRED spec 5.0. Originally-by: Megha Dey <megha.dey@...el.com> Signed-off-by: H. Peter Anvin (Intel) <hpa@...or.com> Signed-off-by: Xin Li <xin3.li@...el.com> Signed-off-by: Thomas Gleixner <tglx@...utronix.de> Tested-by: Shan Kang <shan.kang@...el.com> Link: https://lore.kernel.org/r/20231205105030.8698-13-xin3.li@intel.com --- 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 f1bd7b9..1f9dc9b 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 1d51e18..74f2c63 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)
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