linux-kernel - Re: [PATCH v4 1/3] arm64: Add missing

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Message-ID: <FF5E8B49-3D0B-4832-A90C-B4C4FA821682@oracle.com>
Date:   Thu, 19 Oct 2023 16:11:00 +0000
From:   Miguel Luis <miguel.luis@...cle.com>
To:     Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>, Marc Zyngier <maz@...nel.org>,
        Oliver Upton <oliver.upton@...ux.dev>,
        James Morse <james.morse@....com>,
        Suzuki K Poulose <suzuki.poulose@....com>,
        Zenghui Yu <yuzenghui@...wei.com>,
        Eric Auger <eric.auger@...hat.com>,
        Jing Zhang <jingzhangos@...gle.com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "kvmarm@...ts.linux.dev" <kvmarm@...ts.linux.dev>
Subject: Re: [PATCH v4 1/3] arm64: Add missing _EL12 encodings



> On 16 Oct 2023, at 11:17, Miguel Luis <miguel.luis@...cle.com> wrote:
> 
> Some _EL12 encodings are missing. Add them.
> 
> Reviewed-by: Eric Auger <eric.auger@...hat.com>
> Signed-off-by: Miguel Luis <miguel.luis@...cle.com>
> ---
> arch/arm64/include/asm/sysreg.h | 11 +++++++++++
> 1 file changed, 11 insertions(+)
> 
> diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h
> index 38296579a4fd..ba5db50effec 100644
> --- a/arch/arm64/include/asm/sysreg.h
> +++ b/arch/arm64/include/asm/sysreg.h
> @@ -567,19 +567,30 @@
> #define SYS_CNTHCTL_EL2 sys_reg(3, 4, 14, 1, 0)
> 
> /* VHE encodings for architectural EL0/1 system registers */
> +#define SYS_BRBCR_EL12 sys_reg(2, 5, 9, 0, 0)

I think there’s a nit here as BRBCR_EL12 could be placed
before MIDR_EL1 so the file keeps its definitions in order.

Miguel

> #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)
> -- 
> 2.39.2
>