[PATCH v2 3/5] powerpc/64: switch asm helpers from GOT to TOC relative addressing
Nicholas Piggin
npiggin at gmail.com
Mon Sep 26 13:40:55 AEST 2022
There is no need to use GOT addressing within the kernel.
Signed-off-by: Nicholas Piggin <npiggin at gmail.com>
---
arch/powerpc/boot/ppc_asm.h | 3 ++-
arch/powerpc/include/asm/ppc_asm.h | 3 ++-
2 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/arch/powerpc/boot/ppc_asm.h b/arch/powerpc/boot/ppc_asm.h
index 2824a3e32aab..a66cfd76fa4d 100644
--- a/arch/powerpc/boot/ppc_asm.h
+++ b/arch/powerpc/boot/ppc_asm.h
@@ -86,7 +86,8 @@
#ifdef CONFIG_PPC64_BOOT_WRAPPER
#define LOAD_REG_ADDR(reg,name) \
- ld reg,name at got(r2)
+ addis reg,r2,name at toc@ha; \
+ addi reg,reg,name at toc@l
#else
#define LOAD_REG_ADDR(reg,name) \
lis reg,name at ha; \
diff --git a/arch/powerpc/include/asm/ppc_asm.h b/arch/powerpc/include/asm/ppc_asm.h
index 83c02f5a7f2a..da570b197e82 100644
--- a/arch/powerpc/include/asm/ppc_asm.h
+++ b/arch/powerpc/include/asm/ppc_asm.h
@@ -315,7 +315,8 @@ GLUE(.,name):
rldimi reg, tmp, 32, 0
#define LOAD_REG_ADDR(reg,name) \
- ld reg,name at got(r2)
+ addis reg,r2,name at toc@ha; \
+ addi reg,reg,name at toc@l
#define LOAD_REG_ADDRBASE(reg,name) LOAD_REG_ADDR(reg,name)
#define ADDROFF(name) 0
--
2.37.2
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