[PATCH v3 2/2] arm64/sysreg: Convert HFGITR_EL2 to automatic generation
Will Deacon
will at kernel.org
Thu Apr 6 07:46:54 PDT 2023
On Thu, Mar 23, 2023 at 08:44:54PM +0000, Mark Brown wrote:
> Automatically generate the Hypervisor Fine-Grained Instruction Trap
> Register as per DDI0601 2022-12, currently we only have a definition for
> the register name not any of the contents. No functional change.
>
> Signed-off-by: Mark Brown <broonie at kernel.org>
> ---
> arch/arm64/include/asm/sysreg.h | 1 -
> arch/arm64/tools/sysreg | 65 +++++++++++++++++++++++++++++++++++++++++
> 2 files changed, 65 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h
> index e5ca9ece1606..c48b41c9b0cc 100644
> --- a/arch/arm64/include/asm/sysreg.h
> +++ b/arch/arm64/include/asm/sysreg.h
> @@ -419,7 +419,6 @@
> #define SYS_MDCR_EL2 sys_reg(3, 4, 1, 1, 1)
> #define SYS_CPTR_EL2 sys_reg(3, 4, 1, 1, 2)
> #define SYS_HSTR_EL2 sys_reg(3, 4, 1, 1, 3)
> -#define SYS_HFGITR_EL2 sys_reg(3, 4, 1, 1, 6)
> #define SYS_HACR_EL2 sys_reg(3, 4, 1, 1, 7)
>
> #define SYS_TTBR0_EL2 sys_reg(3, 4, 2, 0, 0)
> diff --git a/arch/arm64/tools/sysreg b/arch/arm64/tools/sysreg
> index 60829a9409f0..c06097a8b921 100644
> --- a/arch/arm64/tools/sysreg
> +++ b/arch/arm64/tools/sysreg
> @@ -1941,6 +1941,71 @@ Sysreg HFGWTR_EL2 3 4 1 1 5
> Fields HFGxTR_EL2
> EndSysreg
>
> +Sysreg HFGITR_EL2 3 4 1 1 6
> +Res0 63:61
> +Field 60 COSPRCTX
> +Field 59 nGCSEPP
> +Field 58 nGCSSTR_EL1
> +Field 57 nGCSPUSHM_EL1
These aren't in the Arm ARM afaict ^^^
> +Field 56 nBRBIALL
> +Field 55 nBRBINJ
> +Field 54 DCCVAC
> +Field 53 SVC_EL1
> +Field 52 SVC_EL0
> +Field 51 ERET
> +Field 50 CPPRCTX
> +Field 49 DVPRCTX
> +Field 48 CFPRCTX
> +Field 47 TLBIVAALE1
> +Field 46 TLBIVALE1
> +Field 45 TLBIVAAE1
> +Field 44 TLBSIDE1
This is a typo ^^^
(I stopped reviewing at this point)
Can't we generate this file from the architecture xml? That would hopefully
avoid typos like this and make review less tedious.
Will
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