[PATCH v10 07/59] arm64: Add AT operation encodings
Marc Zyngier
maz at kernel.org
Mon May 15 10:30:11 PDT 2023
Add the encodings for the AT operation that are usable from NS.
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 2727e68dd65b..8be78a9b9b3b 100644
--- a/arch/arm64/include/asm/sysreg.h
+++ b/arch/arm64/include/asm/sysreg.h
@@ -568,6 +568,23 @@
#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
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