Re: [PATCH v3 05/27] arm64: Add AT operation encodings
From: Jing Zhang <hidden>
Date: 2023-08-11 02:21:40
Also in:
kvm, kvmarm
Hi Marc, On Tue, Aug 8, 2023 at 4:47 AM Marc Zyngier [off-list ref] wrote:
quoted hunk ↗ jump to hunk
Add the encodings for the AT operation that are usable from NS. Reviewed-by: Eric Auger <eric.auger@redhat.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Reviewed-by: Miguel Luis <redacted> Reviewed-by: Zenghui Yu <yuzenghui@huawei.com> --- 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) + /* 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
Reviewed-by: Jing Zhang <redacted> _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel