linux-kernel - [PATCH 1/2] LoongArch: Add opcodes of bounds-checking instructions

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Message-Id: <20230416173326.3995295-2-kernel@xen0n.name>
Date:   Mon, 17 Apr 2023 01:33:25 +0800
From:   WANG Xuerui <kernel@...0n.name>
To:     loongarch@...ts.linux.dev
Cc:     WANG Xuerui <git@...0n.name>, Huacai Chen <chenhuacai@...nel.org>,
        Xi Ruoyao <xry111@...111.site>,
        Eric Biederman <ebiederm@...ssion.com>,
        Al Viro <viro@...iv.linux.org.uk>,
        Arnd Bergmann <arnd@...db.de>, linux-api@...r.kernel.org,
        linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] LoongArch: Add opcodes of bounds-checking instructions

From: WANG Xuerui <git@...0n.name>

To be used later for extracting operands from faulting instructions that
fall under this category.

Signed-off-by: WANG Xuerui <git@...0n.name>
---
 arch/loongarch/include/asm/inst.h | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/arch/loongarch/include/asm/inst.h b/arch/loongarch/include/asm/inst.h
index a04fe755d719..829646f633d2 100644
--- a/arch/loongarch/include/asm/inst.h
+++ b/arch/loongarch/include/asm/inst.h
@@ -121,6 +121,8 @@ enum reg2bstrd_op {
 };
 
 enum reg3_op {
+	asrtle_op	= 0x2,
+	asrtgt_op	= 0x3,
 	addw_op		= 0x20,
 	addd_op		= 0x21,
 	subw_op		= 0x22,
@@ -176,6 +178,30 @@ enum reg3_op {
 	amord_op	= 0x70c7,
 	amxorw_op	= 0x70c8,
 	amxord_op	= 0x70c9,
+	fldgts_op	= 0x70e8,
+	fldgtd_op	= 0x70e9,
+	fldles_op	= 0x70ea,
+	fldled_op	= 0x70eb,
+	fstgts_op	= 0x70ec,
+	fstgtd_op	= 0x70ed,
+	fstles_op	= 0x70ee,
+	fstled_op	= 0x70ef,
+	ldgtb_op	= 0x70f0,
+	ldgth_op	= 0x70f1,
+	ldgtw_op	= 0x70f2,
+	ldgtd_op	= 0x70f3,
+	ldleb_op	= 0x70f4,
+	ldleh_op	= 0x70f5,
+	ldlew_op	= 0x70f6,
+	ldled_op	= 0x70f7,
+	stgtb_op	= 0x70f8,
+	stgth_op	= 0x70f9,
+	stgtw_op	= 0x70fa,
+	stgtd_op	= 0x70fb,
+	stleb_op	= 0x70fc,
+	stleh_op	= 0x70fd,
+	stlew_op	= 0x70fe,
+	stled_op	= 0x70ff,
 };
 
 enum reg3sa2_op {
-- 
2.40.0