[PATCH v2 05/26] arm64: Add AT operation encodings

[Miguel Luis]

Hi Marc,

> On 28 Jul 2023, at 08:29, Marc Zyngier <maz at kernel.org> wrote:
> 
> Add the encodings for the AT operation that are usable from NS.
> 
> Reviewed-by: Eric Auger <eric.auger at redhat.com>
> Signed-off-by: Marc Zyngier <maz at kernel.org>
> ---
> arch/arm64/include/asm/sysreg.h | 17 +++++++++++++++++
> 1 file changed, 17 insertions(+)
> 
> diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h
> index 72e18480ce62..76289339b43b 100644
> --- a/arch/arm64/include/asm/sysreg.h
> +++ b/arch/arm64/include/asm/sysreg.h
> @@ -514,6 +514,23 @@
> 
> #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)
> +

Reviewed-by: Miguel Luis <miguel.luis at oracle.com>

Thanks

Miguel

> /* TLBI instructions */
> #define OP_TLBI_VMALLE1OS sys_insn(1, 0, 8, 1, 0)
> #define OP_TLBI_VAE1OS sys_insn(1, 0, 8, 1, 1)
> -- 
> 2.34.1
>