linux-kernel - [PATCH v2 22/25] powerpc/inst: Remove PPC_INST

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Message-Id: <e39dfa3ae4be810c6d7824059451490e0f1fb4b4.1651905939.git.christophe.leroy@csgroup.eu>
Date:   Sat,  7 May 2022 08:46:24 +0200
From:   Christophe Leroy <christophe.leroy@...roup.eu>
To:     Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        naveen.n.rao@...ux.vnet.ibm.com
Cc:     Christophe Leroy <christophe.leroy@...roup.eu>,
        linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org
Subject: [PATCH v2 22/25] powerpc/inst: Remove PPC_INST_BRANCH

Convert last users of PPC_INST_BRANCH to PPC_RAW_BRANCH()

And remove PPC_INST_BRANCH.

Signed-off-by: Christophe Leroy <christophe.leroy@...roup.eu>
---
 arch/powerpc/include/asm/ppc-opcode.h | 3 +--
 arch/powerpc/lib/feature-fixups.c     | 2 +-
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/arch/powerpc/include/asm/ppc-opcode.h b/arch/powerpc/include/asm/ppc-opcode.h
index 3e9aa96ae74b..1871a86c5436 100644
--- a/arch/powerpc/include/asm/ppc-opcode.h
+++ b/arch/powerpc/include/asm/ppc-opcode.h
@@ -290,7 +290,6 @@
 #define PPC_INST_ADDIS			0x3c000000
 #define PPC_INST_ADD			0x7c000214
 #define PPC_INST_DIVD			0x7c0003d2
-#define PPC_INST_BRANCH			0x48000000
 #define PPC_INST_BL			0x48000001
 #define PPC_INST_BRANCH_COND		0x40800000
 
@@ -575,7 +574,7 @@
 #define PPC_RAW_MTSPR(spr, d)		(0x7c0003a6 | ___PPC_RS(d) | __PPC_SPR(spr))
 #define PPC_RAW_EIEIO()			(0x7c0006ac)
 
-#define PPC_RAW_BRANCH(addr)		(PPC_INST_BRANCH | ((addr) & 0x03fffffc))
+#define PPC_RAW_BRANCH(offset)		(0x48000000 | PPC_LI(offset))
 #define PPC_RAW_BL(offset)		(0x48000001 | PPC_LI(offset))
 
 /* Deal with instructions that older assemblers aren't aware of */
diff --git a/arch/powerpc/lib/feature-fixups.c b/arch/powerpc/lib/feature-fixups.c
index 343a78826035..993d3f31832a 100644
--- a/arch/powerpc/lib/feature-fixups.c
+++ b/arch/powerpc/lib/feature-fixups.c
@@ -451,7 +451,7 @@ static int __do_rfi_flush_fixups(void *data)
 
 	if (types & L1D_FLUSH_FALLBACK)
 		/* b .+16 to fallback flush */
-		instrs[0] = PPC_INST_BRANCH | 16;
+		instrs[0] = PPC_RAW_BRANCH(16);
 
 	i = 0;
 	if (types & L1D_FLUSH_ORI) {
-- 
2.35.1