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Date: Fri, 5 Jan 2024 09:18:30 +0000
From: Suzuki K Poulose <suzuki.poulose@....com>
To: James Clark <james.clark@....com>, coresight@...ts.linaro.org,
linux-arm-kernel@...ts.infradead.org, kvmarm@...ts.linux.dev,
broonie@...nel.org, maz@...nel.org, acme@...nel.org
Cc: Oliver Upton <oliver.upton@...ux.dev>, James Morse <james.morse@....com>,
Zenghui Yu <yuzenghui@...wei.com>, Catalin Marinas
<catalin.marinas@....com>, Will Deacon <will@...nel.org>,
Mike Leach <mike.leach@...aro.org>, Leo Yan <leo.yan@...aro.org>,
Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
Anshuman Khandual <anshuman.khandual@....com>, Rob Herring
<robh@...nel.org>, Miguel Luis <miguel.luis@...cle.com>,
Jintack Lim <jintack.lim@...aro.org>, Ard Biesheuvel <ardb@...nel.org>,
Mark Rutland <mark.rutland@....com>, Quentin Perret <qperret@...gle.com>,
Arnd Bergmann <arnd@...db.de>, Vincent Donnefort <vdonnefort@...gle.com>,
Kristina Martsenko <kristina.martsenko@....com>,
Akihiko Odaki <akihiko.odaki@...nix.com>, Fuad Tabba <tabba@...gle.com>,
Joey Gouly <joey.gouly@....com>, Jing Zhang <jingzhangos@...gle.com>,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 3/7] arm64/sysreg/tools: Move TRFCR definitions to
sysreg
Hi James
On 04/01/2024 16:27, James Clark wrote:
> Add separate definitions for ELx and EL2 as TRFCR_EL1 doesn't have CX.
> This also mirrors the previous definition so no code change is required.
>
> Also add TRFCR_EL12 which will start to be used in a later commit.
>
> Unfortunately, to avoid breaking the Perf build with duplicate
> definition errors, the tools copy of the sysreg.h header needs to be
> updated at the same time rather than the usual second commit. This is
> because the generated version of sysreg
> (arch/arm64/include/generated/asm/sysreg-defs.h), is currently shared
> between the kernel and tools and not copied.
>
> Because the new version of sysreg.h includes kasan-tags.h, that file
> also now needs to be copied into tools.
Is it possible to split the patch such that, tools/sysreg is updated to
match the existing kernel headers first and then add the TRFCR changes ?
This looks like a lot of unrelated changes.
Suzuki
>
> Signed-off-by: James Clark <james.clark@....com>
> ---
> arch/arm64/include/asm/sysreg.h | 12 -
> arch/arm64/tools/sysreg | 41 +++
> tools/arch/arm64/include/asm/sysreg.h | 345 ++++++++++++++++++++++++--
> tools/include/linux/kasan-tags.h | 15 ++
> 4 files changed, 387 insertions(+), 26 deletions(-)
> create mode 100644 tools/include/linux/kasan-tags.h
>
> diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h
> index 5e65f51c10d2..92dfb41af018 100644
> --- a/arch/arm64/include/asm/sysreg.h
> +++ b/arch/arm64/include/asm/sysreg.h
> @@ -280,8 +280,6 @@
> #define SYS_RGSR_EL1 sys_reg(3, 0, 1, 0, 5)
> #define SYS_GCR_EL1 sys_reg(3, 0, 1, 0, 6)
>
> -#define SYS_TRFCR_EL1 sys_reg(3, 0, 1, 2, 1)
> -
> #define SYS_TCR_EL1 sys_reg(3, 0, 2, 0, 2)
>
> #define SYS_APIAKEYLO_EL1 sys_reg(3, 0, 2, 1, 0)
> @@ -499,7 +497,6 @@
> #define SYS_VTTBR_EL2 sys_reg(3, 4, 2, 1, 0)
> #define SYS_VTCR_EL2 sys_reg(3, 4, 2, 1, 2)
>
> -#define SYS_TRFCR_EL2 sys_reg(3, 4, 1, 2, 1)
> #define SYS_VNCR_EL2 sys_reg(3, 4, 2, 2, 0)
> #define SYS_HAFGRTR_EL2 sys_reg(3, 4, 3, 1, 6)
> #define SYS_SPSR_EL2 sys_reg(3, 4, 4, 0, 0)
> @@ -949,15 +946,6 @@
> /* Safe value for MPIDR_EL1: Bit31:RES1, Bit30:U:0, Bit24:MT:0 */
> #define SYS_MPIDR_SAFE_VAL (BIT(31))
>
> -#define TRFCR_ELx_TS_SHIFT 5
> -#define TRFCR_ELx_TS_MASK ((0x3UL) << TRFCR_ELx_TS_SHIFT)
> -#define TRFCR_ELx_TS_VIRTUAL ((0x1UL) << TRFCR_ELx_TS_SHIFT)
> -#define TRFCR_ELx_TS_GUEST_PHYSICAL ((0x2UL) << TRFCR_ELx_TS_SHIFT)
> -#define TRFCR_ELx_TS_PHYSICAL ((0x3UL) << TRFCR_ELx_TS_SHIFT)
> -#define TRFCR_EL2_CX BIT(3)
> -#define TRFCR_ELx_ExTRE BIT(1)
> -#define TRFCR_ELx_E0TRE BIT(0)
> -
> /* GIC Hypervisor interface registers */
> /* ICH_MISR_EL2 bit definitions */
> #define ICH_MISR_EOI (1 << 0)
> diff --git a/arch/arm64/tools/sysreg b/arch/arm64/tools/sysreg
> index 96cbeeab4eec..8fe23eac910f 100644
> --- a/arch/arm64/tools/sysreg
> +++ b/arch/arm64/tools/sysreg
> @@ -2634,3 +2634,44 @@ Field 5 F
> Field 4 P
> Field 3:0 Align
> EndSysreg
> +
> +SysregFields TRFCR_EL2
> +Res0 63:7
> +UnsignedEnum 6:5 TS
> + 0b0000 USE_TRFCR_EL1_TS
> + 0b0001 VIRTUAL
> + 0b0010 GUEST_PHYSICAL
> + 0b0011 PHYSICAL
> +EndEnum
> +Res0 4
> +Field 3 CX
> +Res0 2
> +Field 1 E2TRE
> +Field 0 E0HTRE
> +EndSysregFields
> +
> +# TRFCR_EL1 doesn't have the CX bit so redefine it without CX instead of
> +# using a shared definition between TRFCR_EL2 and TRFCR_EL1
> +SysregFields TRFCR_ELx
> +Res0 63:7
> +UnsignedEnum 6:5 TS
> + 0b0001 VIRTUAL
> + 0b0010 GUEST_PHYSICAL
> + 0b0011 PHYSICAL
> +EndEnum
> +Res0 4:2
> +Field 1 ExTRE
> +Field 0 E0TRE
> +EndSysregFields
> +
> +Sysreg TRFCR_EL1 3 0 1 2 1
> +Fields TRFCR_ELx
> +EndSysreg
> +
> +Sysreg TRFCR_EL2 3 4 1 2 1
> +Fields TRFCR_EL2
> +EndSysreg
> +
> +Sysreg TRFCR_EL12 3 5 1 2 1
> +Fields TRFCR_ELx
> +EndSysreg
> diff --git a/tools/arch/arm64/include/asm/sysreg.h b/tools/arch/arm64/include/asm/sysreg.h
> index ccc13e991376..92dfb41af018 100644
> --- a/tools/arch/arm64/include/asm/sysreg.h
> +++ b/tools/arch/arm64/include/asm/sysreg.h
> @@ -11,6 +11,7 @@
>
> #include <linux/bits.h>
> #include <linux/stringify.h>
> +#include <linux/kasan-tags.h>
>
> #include <asm/gpr-num.h>
>
> @@ -123,6 +124,37 @@
> #define SYS_DC_CIGSW sys_insn(1, 0, 7, 14, 4)
> #define SYS_DC_CIGDSW sys_insn(1, 0, 7, 14, 6)
>
> +#define SYS_IC_IALLUIS sys_insn(1, 0, 7, 1, 0)
> +#define SYS_IC_IALLU sys_insn(1, 0, 7, 5, 0)
> +#define SYS_IC_IVAU sys_insn(1, 3, 7, 5, 1)
> +
> +#define SYS_DC_IVAC sys_insn(1, 0, 7, 6, 1)
> +#define SYS_DC_IGVAC sys_insn(1, 0, 7, 6, 3)
> +#define SYS_DC_IGDVAC sys_insn(1, 0, 7, 6, 5)
> +
> +#define SYS_DC_CVAC sys_insn(1, 3, 7, 10, 1)
> +#define SYS_DC_CGVAC sys_insn(1, 3, 7, 10, 3)
> +#define SYS_DC_CGDVAC sys_insn(1, 3, 7, 10, 5)
> +
> +#define SYS_DC_CVAU sys_insn(1, 3, 7, 11, 1)
> +
> +#define SYS_DC_CVAP sys_insn(1, 3, 7, 12, 1)
> +#define SYS_DC_CGVAP sys_insn(1, 3, 7, 12, 3)
> +#define SYS_DC_CGDVAP sys_insn(1, 3, 7, 12, 5)
> +
> +#define SYS_DC_CVADP sys_insn(1, 3, 7, 13, 1)
> +#define SYS_DC_CGVADP sys_insn(1, 3, 7, 13, 3)
> +#define SYS_DC_CGDVADP sys_insn(1, 3, 7, 13, 5)
> +
> +#define SYS_DC_CIVAC sys_insn(1, 3, 7, 14, 1)
> +#define SYS_DC_CIGVAC sys_insn(1, 3, 7, 14, 3)
> +#define SYS_DC_CIGDVAC sys_insn(1, 3, 7, 14, 5)
> +
> +/* Data cache zero operations */
> +#define SYS_DC_ZVA sys_insn(1, 3, 7, 4, 1)
> +#define SYS_DC_GVA sys_insn(1, 3, 7, 4, 3)
> +#define SYS_DC_GZVA sys_insn(1, 3, 7, 4, 4)
> +
> /*
> * Automatically generated definitions for system registers, the
> * manual encodings below are in the process of being converted to
> @@ -162,6 +194,84 @@
> #define SYS_DBGDTRTX_EL0 sys_reg(2, 3, 0, 5, 0)
> #define SYS_DBGVCR32_EL2 sys_reg(2, 4, 0, 7, 0)
>
> +#define SYS_BRBINF_EL1(n) sys_reg(2, 1, 8, (n & 15), (((n & 16) >> 2) | 0))
> +#define SYS_BRBINFINJ_EL1 sys_reg(2, 1, 9, 1, 0)
> +#define SYS_BRBSRC_EL1(n) sys_reg(2, 1, 8, (n & 15), (((n & 16) >> 2) | 1))
> +#define SYS_BRBSRCINJ_EL1 sys_reg(2, 1, 9, 1, 1)
> +#define SYS_BRBTGT_EL1(n) sys_reg(2, 1, 8, (n & 15), (((n & 16) >> 2) | 2))
> +#define SYS_BRBTGTINJ_EL1 sys_reg(2, 1, 9, 1, 2)
> +#define SYS_BRBTS_EL1 sys_reg(2, 1, 9, 0, 2)
> +
> +#define SYS_BRBCR_EL1 sys_reg(2, 1, 9, 0, 0)
> +#define SYS_BRBFCR_EL1 sys_reg(2, 1, 9, 0, 1)
> +#define SYS_BRBIDR0_EL1 sys_reg(2, 1, 9, 2, 0)
> +
> +#define SYS_TRCITECR_EL1 sys_reg(3, 0, 1, 2, 3)
> +#define SYS_TRCACATR(m) sys_reg(2, 1, 2, ((m & 7) << 1), (2 | (m >> 3)))
> +#define SYS_TRCACVR(m) sys_reg(2, 1, 2, ((m & 7) << 1), (0 | (m >> 3)))
> +#define SYS_TRCAUTHSTATUS sys_reg(2, 1, 7, 14, 6)
> +#define SYS_TRCAUXCTLR sys_reg(2, 1, 0, 6, 0)
> +#define SYS_TRCBBCTLR sys_reg(2, 1, 0, 15, 0)
> +#define SYS_TRCCCCTLR sys_reg(2, 1, 0, 14, 0)
> +#define SYS_TRCCIDCCTLR0 sys_reg(2, 1, 3, 0, 2)
> +#define SYS_TRCCIDCCTLR1 sys_reg(2, 1, 3, 1, 2)
> +#define SYS_TRCCIDCVR(m) sys_reg(2, 1, 3, ((m & 7) << 1), 0)
> +#define SYS_TRCCLAIMCLR sys_reg(2, 1, 7, 9, 6)
> +#define SYS_TRCCLAIMSET sys_reg(2, 1, 7, 8, 6)
> +#define SYS_TRCCNTCTLR(m) sys_reg(2, 1, 0, (4 | (m & 3)), 5)
> +#define SYS_TRCCNTRLDVR(m) sys_reg(2, 1, 0, (0 | (m & 3)), 5)
> +#define SYS_TRCCNTVR(m) sys_reg(2, 1, 0, (8 | (m & 3)), 5)
> +#define SYS_TRCCONFIGR sys_reg(2, 1, 0, 4, 0)
> +#define SYS_TRCDEVARCH sys_reg(2, 1, 7, 15, 6)
> +#define SYS_TRCDEVID sys_reg(2, 1, 7, 2, 7)
> +#define SYS_TRCEVENTCTL0R sys_reg(2, 1, 0, 8, 0)
> +#define SYS_TRCEVENTCTL1R sys_reg(2, 1, 0, 9, 0)
> +#define SYS_TRCEXTINSELR(m) sys_reg(2, 1, 0, (8 | (m & 3)), 4)
> +#define SYS_TRCIDR0 sys_reg(2, 1, 0, 8, 7)
> +#define SYS_TRCIDR10 sys_reg(2, 1, 0, 2, 6)
> +#define SYS_TRCIDR11 sys_reg(2, 1, 0, 3, 6)
> +#define SYS_TRCIDR12 sys_reg(2, 1, 0, 4, 6)
> +#define SYS_TRCIDR13 sys_reg(2, 1, 0, 5, 6)
> +#define SYS_TRCIDR1 sys_reg(2, 1, 0, 9, 7)
> +#define SYS_TRCIDR2 sys_reg(2, 1, 0, 10, 7)
> +#define SYS_TRCIDR3 sys_reg(2, 1, 0, 11, 7)
> +#define SYS_TRCIDR4 sys_reg(2, 1, 0, 12, 7)
> +#define SYS_TRCIDR5 sys_reg(2, 1, 0, 13, 7)
> +#define SYS_TRCIDR6 sys_reg(2, 1, 0, 14, 7)
> +#define SYS_TRCIDR7 sys_reg(2, 1, 0, 15, 7)
> +#define SYS_TRCIDR8 sys_reg(2, 1, 0, 0, 6)
> +#define SYS_TRCIDR9 sys_reg(2, 1, 0, 1, 6)
> +#define SYS_TRCIMSPEC(m) sys_reg(2, 1, 0, (m & 7), 7)
> +#define SYS_TRCITEEDCR sys_reg(2, 1, 0, 2, 1)
> +#define SYS_TRCOSLSR sys_reg(2, 1, 1, 1, 4)
> +#define SYS_TRCPRGCTLR sys_reg(2, 1, 0, 1, 0)
> +#define SYS_TRCQCTLR sys_reg(2, 1, 0, 1, 1)
> +#define SYS_TRCRSCTLR(m) sys_reg(2, 1, 1, (m & 15), (0 | (m >> 4)))
> +#define SYS_TRCRSR sys_reg(2, 1, 0, 10, 0)
> +#define SYS_TRCSEQEVR(m) sys_reg(2, 1, 0, (m & 3), 4)
> +#define SYS_TRCSEQRSTEVR sys_reg(2, 1, 0, 6, 4)
> +#define SYS_TRCSEQSTR sys_reg(2, 1, 0, 7, 4)
> +#define SYS_TRCSSCCR(m) sys_reg(2, 1, 1, (m & 7), 2)
> +#define SYS_TRCSSCSR(m) sys_reg(2, 1, 1, (8 | (m & 7)), 2)
> +#define SYS_TRCSSPCICR(m) sys_reg(2, 1, 1, (m & 7), 3)
> +#define SYS_TRCSTALLCTLR sys_reg(2, 1, 0, 11, 0)
> +#define SYS_TRCSTATR sys_reg(2, 1, 0, 3, 0)
> +#define SYS_TRCSYNCPR sys_reg(2, 1, 0, 13, 0)
> +#define SYS_TRCTRACEIDR sys_reg(2, 1, 0, 0, 1)
> +#define SYS_TRCTSCTLR sys_reg(2, 1, 0, 12, 0)
> +#define SYS_TRCVICTLR sys_reg(2, 1, 0, 0, 2)
> +#define SYS_TRCVIIECTLR sys_reg(2, 1, 0, 1, 2)
> +#define SYS_TRCVIPCSSCTLR sys_reg(2, 1, 0, 3, 2)
> +#define SYS_TRCVISSCTLR sys_reg(2, 1, 0, 2, 2)
> +#define SYS_TRCVMIDCCTLR0 sys_reg(2, 1, 3, 2, 2)
> +#define SYS_TRCVMIDCCTLR1 sys_reg(2, 1, 3, 3, 2)
> +#define SYS_TRCVMIDCVR(m) sys_reg(2, 1, 3, ((m & 7) << 1), 1)
> +
> +/* ETM */
> +#define SYS_TRCOSLAR sys_reg(2, 1, 1, 0, 4)
> +
> +#define SYS_BRBCR_EL2 sys_reg(2, 4, 9, 0, 0)
> +
> #define SYS_MIDR_EL1 sys_reg(3, 0, 0, 0, 0)
> #define SYS_MPIDR_EL1 sys_reg(3, 0, 0, 0, 5)
> #define SYS_REVIDR_EL1 sys_reg(3, 0, 0, 0, 6)
> @@ -170,8 +280,6 @@
> #define SYS_RGSR_EL1 sys_reg(3, 0, 1, 0, 5)
> #define SYS_GCR_EL1 sys_reg(3, 0, 1, 0, 6)
>
> -#define SYS_TRFCR_EL1 sys_reg(3, 0, 1, 2, 1)
> -
> #define SYS_TCR_EL1 sys_reg(3, 0, 2, 0, 2)
>
> #define SYS_APIAKEYLO_EL1 sys_reg(3, 0, 2, 1, 0)
> @@ -202,8 +310,13 @@
> #define SYS_ERXCTLR_EL1 sys_reg(3, 0, 5, 4, 1)
> #define SYS_ERXSTATUS_EL1 sys_reg(3, 0, 5, 4, 2)
> #define SYS_ERXADDR_EL1 sys_reg(3, 0, 5, 4, 3)
> +#define SYS_ERXPFGF_EL1 sys_reg(3, 0, 5, 4, 4)
> +#define SYS_ERXPFGCTL_EL1 sys_reg(3, 0, 5, 4, 5)
> +#define SYS_ERXPFGCDN_EL1 sys_reg(3, 0, 5, 4, 6)
> #define SYS_ERXMISC0_EL1 sys_reg(3, 0, 5, 5, 0)
> #define SYS_ERXMISC1_EL1 sys_reg(3, 0, 5, 5, 1)
> +#define SYS_ERXMISC2_EL1 sys_reg(3, 0, 5, 5, 2)
> +#define SYS_ERXMISC3_EL1 sys_reg(3, 0, 5, 5, 3)
> #define SYS_TFSR_EL1 sys_reg(3, 0, 5, 6, 0)
> #define SYS_TFSRE0_EL1 sys_reg(3, 0, 5, 6, 1)
>
> @@ -274,6 +387,8 @@
> #define SYS_ICC_IGRPEN0_EL1 sys_reg(3, 0, 12, 12, 6)
> #define SYS_ICC_IGRPEN1_EL1 sys_reg(3, 0, 12, 12, 7)
>
> +#define SYS_ACCDATA_EL1 sys_reg(3, 0, 13, 0, 5)
> +
> #define SYS_CNTKCTL_EL1 sys_reg(3, 0, 14, 1, 0)
>
> #define SYS_AIDR_EL1 sys_reg(3, 1, 0, 0, 7)
> @@ -369,6 +484,7 @@
>
> #define SYS_SCTLR_EL2 sys_reg(3, 4, 1, 0, 0)
> #define SYS_ACTLR_EL2 sys_reg(3, 4, 1, 0, 1)
> +#define SYS_SCTLR2_EL2 sys_reg(3, 4, 1, 0, 3)
> #define SYS_HCR_EL2 sys_reg(3, 4, 1, 1, 0)
> #define SYS_MDCR_EL2 sys_reg(3, 4, 1, 1, 1)
> #define SYS_CPTR_EL2 sys_reg(3, 4, 1, 1, 2)
> @@ -381,13 +497,15 @@
> #define SYS_VTTBR_EL2 sys_reg(3, 4, 2, 1, 0)
> #define SYS_VTCR_EL2 sys_reg(3, 4, 2, 1, 2)
>
> -#define SYS_TRFCR_EL2 sys_reg(3, 4, 1, 2, 1)
> -#define SYS_HDFGRTR_EL2 sys_reg(3, 4, 3, 1, 4)
> -#define SYS_HDFGWTR_EL2 sys_reg(3, 4, 3, 1, 5)
> +#define SYS_VNCR_EL2 sys_reg(3, 4, 2, 2, 0)
> #define SYS_HAFGRTR_EL2 sys_reg(3, 4, 3, 1, 6)
> #define SYS_SPSR_EL2 sys_reg(3, 4, 4, 0, 0)
> #define SYS_ELR_EL2 sys_reg(3, 4, 4, 0, 1)
> #define SYS_SP_EL1 sys_reg(3, 4, 4, 1, 0)
> +#define SYS_SPSR_irq sys_reg(3, 4, 4, 3, 0)
> +#define SYS_SPSR_abt sys_reg(3, 4, 4, 3, 1)
> +#define SYS_SPSR_und sys_reg(3, 4, 4, 3, 2)
> +#define SYS_SPSR_fiq sys_reg(3, 4, 4, 3, 3)
> #define SYS_IFSR32_EL2 sys_reg(3, 4, 5, 0, 1)
> #define SYS_AFSR0_EL2 sys_reg(3, 4, 5, 1, 0)
> #define SYS_AFSR1_EL2 sys_reg(3, 4, 5, 1, 1)
> @@ -401,6 +519,18 @@
>
> #define SYS_MAIR_EL2 sys_reg(3, 4, 10, 2, 0)
> #define SYS_AMAIR_EL2 sys_reg(3, 4, 10, 3, 0)
> +#define SYS_MPAMHCR_EL2 sys_reg(3, 4, 10, 4, 0)
> +#define SYS_MPAMVPMV_EL2 sys_reg(3, 4, 10, 4, 1)
> +#define SYS_MPAM2_EL2 sys_reg(3, 4, 10, 5, 0)
> +#define __SYS__MPAMVPMx_EL2(x) sys_reg(3, 4, 10, 6, x)
> +#define SYS_MPAMVPM0_EL2 __SYS__MPAMVPMx_EL2(0)
> +#define SYS_MPAMVPM1_EL2 __SYS__MPAMVPMx_EL2(1)
> +#define SYS_MPAMVPM2_EL2 __SYS__MPAMVPMx_EL2(2)
> +#define SYS_MPAMVPM3_EL2 __SYS__MPAMVPMx_EL2(3)
> +#define SYS_MPAMVPM4_EL2 __SYS__MPAMVPMx_EL2(4)
> +#define SYS_MPAMVPM5_EL2 __SYS__MPAMVPMx_EL2(5)
> +#define SYS_MPAMVPM6_EL2 __SYS__MPAMVPMx_EL2(6)
> +#define SYS_MPAMVPM7_EL2 __SYS__MPAMVPMx_EL2(7)
>
> #define SYS_VBAR_EL2 sys_reg(3, 4, 12, 0, 0)
> #define SYS_RVBAR_EL2 sys_reg(3, 4, 12, 0, 1)
> @@ -449,24 +579,49 @@
>
> #define SYS_CONTEXTIDR_EL2 sys_reg(3, 4, 13, 0, 1)
> #define SYS_TPIDR_EL2 sys_reg(3, 4, 13, 0, 2)
> +#define SYS_SCXTNUM_EL2 sys_reg(3, 4, 13, 0, 7)
> +
> +#define __AMEV_op2(m) (m & 0x7)
> +#define __AMEV_CRm(n, m) (n | ((m & 0x8) >> 3))
> +#define __SYS__AMEVCNTVOFF0n_EL2(m) sys_reg(3, 4, 13, __AMEV_CRm(0x8, m), __AMEV_op2(m))
> +#define SYS_AMEVCNTVOFF0n_EL2(m) __SYS__AMEVCNTVOFF0n_EL2(m)
> +#define __SYS__AMEVCNTVOFF1n_EL2(m) sys_reg(3, 4, 13, __AMEV_CRm(0xA, m), __AMEV_op2(m))
> +#define SYS_AMEVCNTVOFF1n_EL2(m) __SYS__AMEVCNTVOFF1n_EL2(m)
>
> #define SYS_CNTVOFF_EL2 sys_reg(3, 4, 14, 0, 3)
> #define SYS_CNTHCTL_EL2 sys_reg(3, 4, 14, 1, 0)
> +#define SYS_CNTHP_TVAL_EL2 sys_reg(3, 4, 14, 2, 0)
> +#define SYS_CNTHP_CTL_EL2 sys_reg(3, 4, 14, 2, 1)
> +#define SYS_CNTHP_CVAL_EL2 sys_reg(3, 4, 14, 2, 2)
> +#define SYS_CNTHV_TVAL_EL2 sys_reg(3, 4, 14, 3, 0)
> +#define SYS_CNTHV_CTL_EL2 sys_reg(3, 4, 14, 3, 1)
> +#define SYS_CNTHV_CVAL_EL2 sys_reg(3, 4, 14, 3, 2)
>
> /* VHE encodings for architectural EL0/1 system registers */
> +#define SYS_BRBCR_EL12 sys_reg(2, 5, 9, 0, 0)
> #define SYS_SCTLR_EL12 sys_reg(3, 5, 1, 0, 0)
> +#define SYS_CPACR_EL12 sys_reg(3, 5, 1, 0, 2)
> +#define SYS_SCTLR2_EL12 sys_reg(3, 5, 1, 0, 3)
> +#define SYS_ZCR_EL12 sys_reg(3, 5, 1, 2, 0)
> +#define SYS_TRFCR_EL12 sys_reg(3, 5, 1, 2, 1)
> +#define SYS_SMCR_EL12 sys_reg(3, 5, 1, 2, 6)
> #define SYS_TTBR0_EL12 sys_reg(3, 5, 2, 0, 0)
> #define SYS_TTBR1_EL12 sys_reg(3, 5, 2, 0, 1)
> #define SYS_TCR_EL12 sys_reg(3, 5, 2, 0, 2)
> +#define SYS_TCR2_EL12 sys_reg(3, 5, 2, 0, 3)
> #define SYS_SPSR_EL12 sys_reg(3, 5, 4, 0, 0)
> #define SYS_ELR_EL12 sys_reg(3, 5, 4, 0, 1)
> #define SYS_AFSR0_EL12 sys_reg(3, 5, 5, 1, 0)
> #define SYS_AFSR1_EL12 sys_reg(3, 5, 5, 1, 1)
> #define SYS_ESR_EL12 sys_reg(3, 5, 5, 2, 0)
> #define SYS_TFSR_EL12 sys_reg(3, 5, 5, 6, 0)
> +#define SYS_FAR_EL12 sys_reg(3, 5, 6, 0, 0)
> +#define SYS_PMSCR_EL12 sys_reg(3, 5, 9, 9, 0)
> #define SYS_MAIR_EL12 sys_reg(3, 5, 10, 2, 0)
> #define SYS_AMAIR_EL12 sys_reg(3, 5, 10, 3, 0)
> #define SYS_VBAR_EL12 sys_reg(3, 5, 12, 0, 0)
> +#define SYS_CONTEXTIDR_EL12 sys_reg(3, 5, 13, 0, 1)
> +#define SYS_SCXTNUM_EL12 sys_reg(3, 5, 13, 0, 7)
> #define SYS_CNTKCTL_EL12 sys_reg(3, 5, 14, 1, 0)
> #define SYS_CNTP_TVAL_EL02 sys_reg(3, 5, 14, 2, 0)
> #define SYS_CNTP_CTL_EL02 sys_reg(3, 5, 14, 2, 1)
> @@ -477,6 +632,158 @@
>
> #define SYS_SP_EL2 sys_reg(3, 6, 4, 1, 0)
>
> +/* AT instructions */
> +#define AT_Op0 1
> +#define AT_CRn 7
> +
> +#define OP_AT_S1E1R sys_insn(AT_Op0, 0, AT_CRn, 8, 0)
> +#define OP_AT_S1E1W sys_insn(AT_Op0, 0, AT_CRn, 8, 1)
> +#define OP_AT_S1E0R sys_insn(AT_Op0, 0, AT_CRn, 8, 2)
> +#define OP_AT_S1E0W sys_insn(AT_Op0, 0, AT_CRn, 8, 3)
> +#define OP_AT_S1E1RP sys_insn(AT_Op0, 0, AT_CRn, 9, 0)
> +#define OP_AT_S1E1WP sys_insn(AT_Op0, 0, AT_CRn, 9, 1)
> +#define OP_AT_S1E2R sys_insn(AT_Op0, 4, AT_CRn, 8, 0)
> +#define OP_AT_S1E2W sys_insn(AT_Op0, 4, AT_CRn, 8, 1)
> +#define OP_AT_S12E1R sys_insn(AT_Op0, 4, AT_CRn, 8, 4)
> +#define OP_AT_S12E1W sys_insn(AT_Op0, 4, AT_CRn, 8, 5)
> +#define OP_AT_S12E0R sys_insn(AT_Op0, 4, AT_CRn, 8, 6)
> +#define OP_AT_S12E0W sys_insn(AT_Op0, 4, AT_CRn, 8, 7)
> +
> +/* TLBI instructions */
> +#define OP_TLBI_VMALLE1OS sys_insn(1, 0, 8, 1, 0)
> +#define OP_TLBI_VAE1OS sys_insn(1, 0, 8, 1, 1)
> +#define OP_TLBI_ASIDE1OS sys_insn(1, 0, 8, 1, 2)
> +#define OP_TLBI_VAAE1OS sys_insn(1, 0, 8, 1, 3)
> +#define OP_TLBI_VALE1OS sys_insn(1, 0, 8, 1, 5)
> +#define OP_TLBI_VAALE1OS sys_insn(1, 0, 8, 1, 7)
> +#define OP_TLBI_RVAE1IS sys_insn(1, 0, 8, 2, 1)
> +#define OP_TLBI_RVAAE1IS sys_insn(1, 0, 8, 2, 3)
> +#define OP_TLBI_RVALE1IS sys_insn(1, 0, 8, 2, 5)
> +#define OP_TLBI_RVAALE1IS sys_insn(1, 0, 8, 2, 7)
> +#define OP_TLBI_VMALLE1IS sys_insn(1, 0, 8, 3, 0)
> +#define OP_TLBI_VAE1IS sys_insn(1, 0, 8, 3, 1)
> +#define OP_TLBI_ASIDE1IS sys_insn(1, 0, 8, 3, 2)
> +#define OP_TLBI_VAAE1IS sys_insn(1, 0, 8, 3, 3)
> +#define OP_TLBI_VALE1IS sys_insn(1, 0, 8, 3, 5)
> +#define OP_TLBI_VAALE1IS sys_insn(1, 0, 8, 3, 7)
> +#define OP_TLBI_RVAE1OS sys_insn(1, 0, 8, 5, 1)
> +#define OP_TLBI_RVAAE1OS sys_insn(1, 0, 8, 5, 3)
> +#define OP_TLBI_RVALE1OS sys_insn(1, 0, 8, 5, 5)
> +#define OP_TLBI_RVAALE1OS sys_insn(1, 0, 8, 5, 7)
> +#define OP_TLBI_RVAE1 sys_insn(1, 0, 8, 6, 1)
> +#define OP_TLBI_RVAAE1 sys_insn(1, 0, 8, 6, 3)
> +#define OP_TLBI_RVALE1 sys_insn(1, 0, 8, 6, 5)
> +#define OP_TLBI_RVAALE1 sys_insn(1, 0, 8, 6, 7)
> +#define OP_TLBI_VMALLE1 sys_insn(1, 0, 8, 7, 0)
> +#define OP_TLBI_VAE1 sys_insn(1, 0, 8, 7, 1)
> +#define OP_TLBI_ASIDE1 sys_insn(1, 0, 8, 7, 2)
> +#define OP_TLBI_VAAE1 sys_insn(1, 0, 8, 7, 3)
> +#define OP_TLBI_VALE1 sys_insn(1, 0, 8, 7, 5)
> +#define OP_TLBI_VAALE1 sys_insn(1, 0, 8, 7, 7)
> +#define OP_TLBI_VMALLE1OSNXS sys_insn(1, 0, 9, 1, 0)
> +#define OP_TLBI_VAE1OSNXS sys_insn(1, 0, 9, 1, 1)
> +#define OP_TLBI_ASIDE1OSNXS sys_insn(1, 0, 9, 1, 2)
> +#define OP_TLBI_VAAE1OSNXS sys_insn(1, 0, 9, 1, 3)
> +#define OP_TLBI_VALE1OSNXS sys_insn(1, 0, 9, 1, 5)
> +#define OP_TLBI_VAALE1OSNXS sys_insn(1, 0, 9, 1, 7)
> +#define OP_TLBI_RVAE1ISNXS sys_insn(1, 0, 9, 2, 1)
> +#define OP_TLBI_RVAAE1ISNXS sys_insn(1, 0, 9, 2, 3)
> +#define OP_TLBI_RVALE1ISNXS sys_insn(1, 0, 9, 2, 5)
> +#define OP_TLBI_RVAALE1ISNXS sys_insn(1, 0, 9, 2, 7)
> +#define OP_TLBI_VMALLE1ISNXS sys_insn(1, 0, 9, 3, 0)
> +#define OP_TLBI_VAE1ISNXS sys_insn(1, 0, 9, 3, 1)
> +#define OP_TLBI_ASIDE1ISNXS sys_insn(1, 0, 9, 3, 2)
> +#define OP_TLBI_VAAE1ISNXS sys_insn(1, 0, 9, 3, 3)
> +#define OP_TLBI_VALE1ISNXS sys_insn(1, 0, 9, 3, 5)
> +#define OP_TLBI_VAALE1ISNXS sys_insn(1, 0, 9, 3, 7)
> +#define OP_TLBI_RVAE1OSNXS sys_insn(1, 0, 9, 5, 1)
> +#define OP_TLBI_RVAAE1OSNXS sys_insn(1, 0, 9, 5, 3)
> +#define OP_TLBI_RVALE1OSNXS sys_insn(1, 0, 9, 5, 5)
> +#define OP_TLBI_RVAALE1OSNXS sys_insn(1, 0, 9, 5, 7)
> +#define OP_TLBI_RVAE1NXS sys_insn(1, 0, 9, 6, 1)
> +#define OP_TLBI_RVAAE1NXS sys_insn(1, 0, 9, 6, 3)
> +#define OP_TLBI_RVALE1NXS sys_insn(1, 0, 9, 6, 5)
> +#define OP_TLBI_RVAALE1NXS sys_insn(1, 0, 9, 6, 7)
> +#define OP_TLBI_VMALLE1NXS sys_insn(1, 0, 9, 7, 0)
> +#define OP_TLBI_VAE1NXS sys_insn(1, 0, 9, 7, 1)
> +#define OP_TLBI_ASIDE1NXS sys_insn(1, 0, 9, 7, 2)
> +#define OP_TLBI_VAAE1NXS sys_insn(1, 0, 9, 7, 3)
> +#define OP_TLBI_VALE1NXS sys_insn(1, 0, 9, 7, 5)
> +#define OP_TLBI_VAALE1NXS sys_insn(1, 0, 9, 7, 7)
> +#define OP_TLBI_IPAS2E1IS sys_insn(1, 4, 8, 0, 1)
> +#define OP_TLBI_RIPAS2E1IS sys_insn(1, 4, 8, 0, 2)
> +#define OP_TLBI_IPAS2LE1IS sys_insn(1, 4, 8, 0, 5)
> +#define OP_TLBI_RIPAS2LE1IS sys_insn(1, 4, 8, 0, 6)
> +#define OP_TLBI_ALLE2OS sys_insn(1, 4, 8, 1, 0)
> +#define OP_TLBI_VAE2OS sys_insn(1, 4, 8, 1, 1)
> +#define OP_TLBI_ALLE1OS sys_insn(1, 4, 8, 1, 4)
> +#define OP_TLBI_VALE2OS sys_insn(1, 4, 8, 1, 5)
> +#define OP_TLBI_VMALLS12E1OS sys_insn(1, 4, 8, 1, 6)
> +#define OP_TLBI_RVAE2IS sys_insn(1, 4, 8, 2, 1)
> +#define OP_TLBI_RVALE2IS sys_insn(1, 4, 8, 2, 5)
> +#define OP_TLBI_ALLE2IS sys_insn(1, 4, 8, 3, 0)
> +#define OP_TLBI_VAE2IS sys_insn(1, 4, 8, 3, 1)
> +#define OP_TLBI_ALLE1IS sys_insn(1, 4, 8, 3, 4)
> +#define OP_TLBI_VALE2IS sys_insn(1, 4, 8, 3, 5)
> +#define OP_TLBI_VMALLS12E1IS sys_insn(1, 4, 8, 3, 6)
> +#define OP_TLBI_IPAS2E1OS sys_insn(1, 4, 8, 4, 0)
> +#define OP_TLBI_IPAS2E1 sys_insn(1, 4, 8, 4, 1)
> +#define OP_TLBI_RIPAS2E1 sys_insn(1, 4, 8, 4, 2)
> +#define OP_TLBI_RIPAS2E1OS sys_insn(1, 4, 8, 4, 3)
> +#define OP_TLBI_IPAS2LE1OS sys_insn(1, 4, 8, 4, 4)
> +#define OP_TLBI_IPAS2LE1 sys_insn(1, 4, 8, 4, 5)
> +#define OP_TLBI_RIPAS2LE1 sys_insn(1, 4, 8, 4, 6)
> +#define OP_TLBI_RIPAS2LE1OS sys_insn(1, 4, 8, 4, 7)
> +#define OP_TLBI_RVAE2OS sys_insn(1, 4, 8, 5, 1)
> +#define OP_TLBI_RVALE2OS sys_insn(1, 4, 8, 5, 5)
> +#define OP_TLBI_RVAE2 sys_insn(1, 4, 8, 6, 1)
> +#define OP_TLBI_RVALE2 sys_insn(1, 4, 8, 6, 5)
> +#define OP_TLBI_ALLE2 sys_insn(1, 4, 8, 7, 0)
> +#define OP_TLBI_VAE2 sys_insn(1, 4, 8, 7, 1)
> +#define OP_TLBI_ALLE1 sys_insn(1, 4, 8, 7, 4)
> +#define OP_TLBI_VALE2 sys_insn(1, 4, 8, 7, 5)
> +#define OP_TLBI_VMALLS12E1 sys_insn(1, 4, 8, 7, 6)
> +#define OP_TLBI_IPAS2E1ISNXS sys_insn(1, 4, 9, 0, 1)
> +#define OP_TLBI_RIPAS2E1ISNXS sys_insn(1, 4, 9, 0, 2)
> +#define OP_TLBI_IPAS2LE1ISNXS sys_insn(1, 4, 9, 0, 5)
> +#define OP_TLBI_RIPAS2LE1ISNXS sys_insn(1, 4, 9, 0, 6)
> +#define OP_TLBI_ALLE2OSNXS sys_insn(1, 4, 9, 1, 0)
> +#define OP_TLBI_VAE2OSNXS sys_insn(1, 4, 9, 1, 1)
> +#define OP_TLBI_ALLE1OSNXS sys_insn(1, 4, 9, 1, 4)
> +#define OP_TLBI_VALE2OSNXS sys_insn(1, 4, 9, 1, 5)
> +#define OP_TLBI_VMALLS12E1OSNXS sys_insn(1, 4, 9, 1, 6)
> +#define OP_TLBI_RVAE2ISNXS sys_insn(1, 4, 9, 2, 1)
> +#define OP_TLBI_RVALE2ISNXS sys_insn(1, 4, 9, 2, 5)
> +#define OP_TLBI_ALLE2ISNXS sys_insn(1, 4, 9, 3, 0)
> +#define OP_TLBI_VAE2ISNXS sys_insn(1, 4, 9, 3, 1)
> +#define OP_TLBI_ALLE1ISNXS sys_insn(1, 4, 9, 3, 4)
> +#define OP_TLBI_VALE2ISNXS sys_insn(1, 4, 9, 3, 5)
> +#define OP_TLBI_VMALLS12E1ISNXS sys_insn(1, 4, 9, 3, 6)
> +#define OP_TLBI_IPAS2E1OSNXS sys_insn(1, 4, 9, 4, 0)
> +#define OP_TLBI_IPAS2E1NXS sys_insn(1, 4, 9, 4, 1)
> +#define OP_TLBI_RIPAS2E1NXS sys_insn(1, 4, 9, 4, 2)
> +#define OP_TLBI_RIPAS2E1OSNXS sys_insn(1, 4, 9, 4, 3)
> +#define OP_TLBI_IPAS2LE1OSNXS sys_insn(1, 4, 9, 4, 4)
> +#define OP_TLBI_IPAS2LE1NXS sys_insn(1, 4, 9, 4, 5)
> +#define OP_TLBI_RIPAS2LE1NXS sys_insn(1, 4, 9, 4, 6)
> +#define OP_TLBI_RIPAS2LE1OSNXS sys_insn(1, 4, 9, 4, 7)
> +#define OP_TLBI_RVAE2OSNXS sys_insn(1, 4, 9, 5, 1)
> +#define OP_TLBI_RVALE2OSNXS sys_insn(1, 4, 9, 5, 5)
> +#define OP_TLBI_RVAE2NXS sys_insn(1, 4, 9, 6, 1)
> +#define OP_TLBI_RVALE2NXS sys_insn(1, 4, 9, 6, 5)
> +#define OP_TLBI_ALLE2NXS sys_insn(1, 4, 9, 7, 0)
> +#define OP_TLBI_VAE2NXS sys_insn(1, 4, 9, 7, 1)
> +#define OP_TLBI_ALLE1NXS sys_insn(1, 4, 9, 7, 4)
> +#define OP_TLBI_VALE2NXS sys_insn(1, 4, 9, 7, 5)
> +#define OP_TLBI_VMALLS12E1NXS sys_insn(1, 4, 9, 7, 6)
> +
> +/* Misc instructions */
> +#define OP_BRB_IALL sys_insn(1, 1, 7, 2, 4)
> +#define OP_BRB_INJ sys_insn(1, 1, 7, 2, 5)
> +#define OP_CFP_RCTX sys_insn(1, 3, 7, 3, 4)
> +#define OP_DVP_RCTX sys_insn(1, 3, 7, 3, 5)
> +#define OP_CPP_RCTX sys_insn(1, 3, 7, 3, 7)
> +
> /* Common SCTLR_ELx flags. */
> #define SCTLR_ELx_ENTP2 (BIT(60))
> #define SCTLR_ELx_DSSBS (BIT(44))
> @@ -610,6 +917,19 @@
> #define SYS_GCR_EL1_RRND (BIT(16))
> #define SYS_GCR_EL1_EXCL_MASK 0xffffUL
>
> +#ifdef CONFIG_KASAN_HW_TAGS
> +/*
> + * KASAN always uses a whole byte for its tags. With CONFIG_KASAN_HW_TAGS it
> + * only uses tags in the range 0xF0-0xFF, which we map to MTE tags 0x0-0xF.
> + */
> +#define __MTE_TAG_MIN (KASAN_TAG_MIN & 0xf)
> +#define __MTE_TAG_MAX (KASAN_TAG_MAX & 0xf)
> +#define __MTE_TAG_INCL GENMASK(__MTE_TAG_MAX, __MTE_TAG_MIN)
> +#define KERNEL_GCR_EL1_EXCL (SYS_GCR_EL1_EXCL_MASK & ~__MTE_TAG_INCL)
> +#else
> +#define KERNEL_GCR_EL1_EXCL SYS_GCR_EL1_EXCL_MASK
> +#endif
> +
> #define KERNEL_GCR_EL1 (SYS_GCR_EL1_RRND | KERNEL_GCR_EL1_EXCL)
>
> /* RGSR_EL1 Definitions */
> @@ -626,15 +946,6 @@
> /* Safe value for MPIDR_EL1: Bit31:RES1, Bit30:U:0, Bit24:MT:0 */
> #define SYS_MPIDR_SAFE_VAL (BIT(31))
>
> -#define TRFCR_ELx_TS_SHIFT 5
> -#define TRFCR_ELx_TS_MASK ((0x3UL) << TRFCR_ELx_TS_SHIFT)
> -#define TRFCR_ELx_TS_VIRTUAL ((0x1UL) << TRFCR_ELx_TS_SHIFT)
> -#define TRFCR_ELx_TS_GUEST_PHYSICAL ((0x2UL) << TRFCR_ELx_TS_SHIFT)
> -#define TRFCR_ELx_TS_PHYSICAL ((0x3UL) << TRFCR_ELx_TS_SHIFT)
> -#define TRFCR_EL2_CX BIT(3)
> -#define TRFCR_ELx_ExTRE BIT(1)
> -#define TRFCR_ELx_E0TRE BIT(0)
> -
> /* GIC Hypervisor interface registers */
> /* ICH_MISR_EL2 bit definitions */
> #define ICH_MISR_EOI (1 << 0)
> @@ -789,15 +1100,21 @@
> /*
> * For registers without architectural names, or simply unsupported by
> * GAS.
> + *
> + * __check_r forces warnings to be generated by the compiler when
> + * evaluating r which wouldn't normally happen due to being passed to
> + * the assembler via __stringify(r).
> */
> #define read_sysreg_s(r) ({ \
> u64 __val; \
> + u32 __maybe_unused __check_r = (u32)(r); \
> asm volatile(__mrs_s("%0", r) : "=r" (__val)); \
> __val; \
> })
>
> #define write_sysreg_s(v, r) do { \
> u64 __val = (u64)(v); \
> + u32 __maybe_unused __check_r = (u32)(r); \
> asm volatile(__msr_s(r, "%x0") : : "rZ" (__val)); \
> } while (0)
>
> diff --git a/tools/include/linux/kasan-tags.h b/tools/include/linux/kasan-tags.h
> new file mode 100644
> index 000000000000..4f85f562512c
> --- /dev/null
> +++ b/tools/include/linux/kasan-tags.h
> @@ -0,0 +1,15 @@
> +/* SPDX-License-Identifier: GPL-2.0 */
> +#ifndef _LINUX_KASAN_TAGS_H
> +#define _LINUX_KASAN_TAGS_H
> +
> +#define KASAN_TAG_KERNEL 0xFF /* native kernel pointers tag */
> +#define KASAN_TAG_INVALID 0xFE /* inaccessible memory tag */
> +#define KASAN_TAG_MAX 0xFD /* maximum value for random tags */
> +
> +#ifdef CONFIG_KASAN_HW_TAGS
> +#define KASAN_TAG_MIN 0xF0 /* minimum value for random tags */
> +#else
> +#define KASAN_TAG_MIN 0x00 /* minimum value for random tags */
> +#endif
> +
> +#endif /* LINUX_KASAN_TAGS_H */
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