linux-kernel - Re: [PATCH v2 6/7] arm64/sysreg: Convert OSDTRTX

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Date:   Tue, 30 May 2023 18:55:33 +0800
From:   Shaoqin Huang <shahuang@...hat.com>
To:     Mark Brown <broonie@...nel.org>,
        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>
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        kvmarm@...ts.linux.dev
Subject: Re: [PATCH v2 6/7] arm64/sysreg: Convert OSDTRTX_EL1 to automatic
 generation



On 5/24/23 02:37, Mark Brown wrote:
> Convert OSDTRTX_EL1 to automatic generation as per DDI0601 2023-03. No
> functional changes.
> 
Reviewed-by: Shaoqin Huang <shahuang@...hat.com>
> Signed-off-by: Mark Brown <broonie@...nel.org>
> ---
>   arch/arm64/include/asm/sysreg.h | 1 -
>   arch/arm64/tools/sysreg         | 5 +++++
>   2 files changed, 5 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h
> index da954a6eba24..d9711f1e47b2 100644
> --- a/arch/arm64/include/asm/sysreg.h
> +++ b/arch/arm64/include/asm/sysreg.h
> @@ -134,7 +134,6 @@
>   #define SYS_SVCR_SMSTART_SM_EL0		sys_reg(0, 3, 4, 3, 3)
>   #define SYS_SVCR_SMSTOP_SMZA_EL0	sys_reg(0, 3, 4, 6, 3)
>   
> -#define SYS_OSDTRTX_EL1			sys_reg(2, 0, 0, 3, 2)
>   #define SYS_OSECCR_EL1			sys_reg(2, 0, 0, 6, 2)
>   #define SYS_DBGBVRn_EL1(n)		sys_reg(2, 0, 0, n, 4)
>   #define SYS_DBGBCRn_EL1(n)		sys_reg(2, 0, 0, n, 5)
> diff --git a/arch/arm64/tools/sysreg b/arch/arm64/tools/sysreg
> index e4653248dcac..e18ae1df41f4 100644
> --- a/arch/arm64/tools/sysreg
> +++ b/arch/arm64/tools/sysreg
> @@ -88,6 +88,11 @@ Res0	5:1
>   Field	0	SS
>   EndSysreg
>   
> +Sysreg	OSDTRTX_EL1	2	0	0	3	2
> +Res0	63:32
> +Field	31:0	DTRTX
> +EndSysreg
> +
>   Sysreg	OSLAR_EL1	2	0	1	0	4
>   Res0	63:1
>   Field	0	OSLK
> 

-- 
Shaoqin