summaryrefslogtreecommitdiffstats
path: root/arch/arm64/Makefile
diff options
context:
space:
mode:
authorVladimir Murzin <vladimir.murzin@arm.com>2020-01-15 15:18:25 +0100
committerWill Deacon <will@kernel.org>2020-01-15 17:35:12 +0100
commit8bf9284d99dcb1c8fbdfabde1979350cf41fa5f5 (patch)
tree867e0732923abbfe304444f90b9bb9976e6ff83c /arch/arm64/Makefile
parentarm64: Move the LSE gas support detection to Kconfig (diff)
downloadlinux-8bf9284d99dcb1c8fbdfabde1979350cf41fa5f5.tar.xz
linux-8bf9284d99dcb1c8fbdfabde1979350cf41fa5f5.zip
arm64: Turn "broken gas inst" into real config option
Use the new 'as-instr' Kconfig macro to define CONFIG_BROKEN_GAS_INST directly, making it available everywhere. Signed-off-by: Vladimir Murzin <vladimir.murzin@arm.com> [will: Drop redundant 'y if' logic] Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'arch/arm64/Makefile')
-rw-r--r--arch/arm64/Makefile10
1 files changed, 3 insertions, 7 deletions
diff --git a/arch/arm64/Makefile b/arch/arm64/Makefile
index 6dd8ecacc428..dca1a97751ab 100644
--- a/arch/arm64/Makefile
+++ b/arch/arm64/Makefile
@@ -42,19 +42,15 @@ cc_has_k_constraint := $(call try-run,echo \
return 0; \
}' | $(CC) -S -x c -o "$$TMP" -,,-DCONFIG_CC_HAS_K_CONSTRAINT=1)
-ifeq ($(CONFIG_ARM64), y)
-brokengasinst := $(call as-instr,1:\n.inst 0\n.rept . - 1b\n\nnop\n.endr\n,,-DCONFIG_BROKEN_GAS_INST=1)
-
- ifneq ($(brokengasinst),)
+ifeq ($(CONFIG_BROKEN_GAS_INST),y)
$(warning Detected assembler with broken .inst; disassembly will be unreliable)
- endif
endif
-KBUILD_CFLAGS += -mgeneral-regs-only $(brokengasinst) \
+KBUILD_CFLAGS += -mgeneral-regs-only \
$(compat_vdso) $(cc_has_k_constraint)
KBUILD_CFLAGS += -fno-asynchronous-unwind-tables
KBUILD_CFLAGS += $(call cc-disable-warning, psabi)
-KBUILD_AFLAGS += $(brokengasinst) $(compat_vdso)
+KBUILD_AFLAGS += $(compat_vdso)
KBUILD_CFLAGS += $(call cc-option,-mabi=lp64)
KBUILD_AFLAGS += $(call cc-option,-mabi=lp64)