linux-kernel - Re: [PATCH v2 1/2] arm64: Add missing

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Date:   Thu, 28 Sep 2023 11:39:24 +0200
From:   Eric Auger <eauger@...hat.com>
To:     Miguel Luis <miguel.luis@...cle.com>,
        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>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        kvmarm@...ts.linux.dev
Subject: Re: [PATCH v2 1/2] arm64: Add missing _EL12 encodings

Hi Miguel,
On 9/25/23 18:20, Miguel Luis wrote:
> Some _EL12 encodings are missing. Add them.
> 
> 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..6e167bbf44ff 100644
> --- a/arch/arm64/include/asm/sysreg.h
> +++ b/arch/arm64/include/asm/sysreg.h
> @@ -568,18 +568,29 @@
>  
>  /* VHE encodings for architectural EL0/1 system registers */
>  #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_BRBCR_EL12			sys_reg(3, 5, 9, 0, 0)
isn't it sys_reg(2, 5, 9, 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)
Besides
Reviewed-by: Eric Auger <eric.auger@...hat.com>

Eric