linux-kernel - [RFC PATCH 2/5] arm64: aarch64-insn: Add SVE instruction class

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20210120171745.1657762-3-jthierry@redhat.com>
Date:   Wed, 20 Jan 2021 18:17:42 +0100
From:   Julien Thierry <jthierry@...hat.com>
To:     linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Cc:     catalin.marinas@....com, will@...nel.org, mark.rutland@....com,
        broonie@...nel.org, Julien Thierry <jthierry@...hat.com>
Subject: [RFC PATCH 2/5] arm64: aarch64-insn: Add SVE instruction class

SVE has been public for some time now. Let the decoder acknowledge
its existence.

Signed-off-by: Julien Thierry <jthierry@...hat.com>
---
 arch/arm64/include/asm/aarch64-insn.h | 1 +
 arch/arm64/lib/aarch64-insn.c         | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/include/asm/aarch64-insn.h b/arch/arm64/include/asm/aarch64-insn.h
index cead3be1a2d0..200bee726172 100644
--- a/arch/arm64/include/asm/aarch64-insn.h
+++ b/arch/arm64/include/asm/aarch64-insn.h
@@ -40,6 +40,7 @@
  */
 enum aarch64_insn_encoding_class {
 	AARCH64_INSN_CLS_UNKNOWN,	/* UNALLOCATED */
+	AARCH64_INSN_CLS_SVE,		/* SVE instructions */
 	AARCH64_INSN_CLS_DP_IMM,	/* Data processing - immediate */
 	AARCH64_INSN_CLS_DP_REG,	/* Data processing - register */
 	AARCH64_INSN_CLS_DP_FPSIMD,	/* Data processing - SIMD and FP */
diff --git a/arch/arm64/lib/aarch64-insn.c b/arch/arm64/lib/aarch64-insn.c
index df233a7790dc..95d9143aa9c6 100644
--- a/arch/arm64/lib/aarch64-insn.c
+++ b/arch/arm64/lib/aarch64-insn.c
@@ -17,7 +17,7 @@
 static const int aarch64_insn_encoding_class[] = {
 	AARCH64_INSN_CLS_UNKNOWN,
 	AARCH64_INSN_CLS_UNKNOWN,
-	AARCH64_INSN_CLS_UNKNOWN,
+	AARCH64_INSN_CLS_SVE,
 	AARCH64_INSN_CLS_UNKNOWN,
 	AARCH64_INSN_CLS_LDST,
 	AARCH64_INSN_CLS_DP_REG,
-- 
2.25.4