[PATCH v2 07/26] arm64: Add missing BRB/CFP/DVP/CPP instructions

Marc Zyngier maz at kernel.org
Fri Jul 28 01:29:33 PDT 2023


HFGITR_EL2 traps a bunch of instructions for which we don't have
encodings yet. Add them.

Reviewed-by: Miguel Luis <miguel.luis at oracle.com>
Reviewed-by: Eric Auger <eric.auger at redhat.com>
Signed-off-by: Marc Zyngier <maz at kernel.org>
---
 arch/arm64/include/asm/sysreg.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h
index 9dfd127be55a..e2357529c633 100644
--- a/arch/arm64/include/asm/sysreg.h
+++ b/arch/arm64/include/asm/sysreg.h
@@ -737,6 +737,13 @@
 #define OP_TLBI_VALE2NXS		sys_insn(1, 4, 9, 7, 5)
 #define OP_TLBI_VMALLS12E1NXS		sys_insn(1, 4, 9, 7, 6)
 
+/* Misc instructions */
+#define OP_BRB_IALL			sys_insn(1, 1, 7, 2, 4)
+#define OP_BRB_INJ			sys_insn(1, 1, 7, 2, 5)
+#define OP_CFP_RCTX			sys_insn(1, 3, 7, 3, 4)
+#define OP_DVP_RCTX			sys_insn(1, 3, 7, 3, 5)
+#define OP_CPP_RCTX			sys_insn(1, 3, 7, 3, 7)
+
 /* Common SCTLR_ELx flags. */
 #define SCTLR_ELx_ENTP2	(BIT(60))
 #define SCTLR_ELx_DSSBS	(BIT(44))
-- 
2.34.1




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