- The correct way to build with thumb mode is to select SYS_THUMB_BUILD
- We should be setting -march=armv7-m in arch/arm/Makefile not the
sub-config.mk file.
Signed-off-by: Tom Rini <tr...@konsulko.com>
---
arch/arm/Kconfig | 1 +
arch/arm/Makefile | 1 +
arch/arm/cpu/armv7m/config.mk | 2 +-
3 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 2bbb86c462dd..efc9108a5a3a 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -221,6 +221,7 @@ config CPU_V7M
select THUMB2_KERNEL
select SYS_CACHE_SHIFT_5
select SYS_ARM_MPU
+ select SYS_THUMB_BUILD
config CPU_V7R
bool
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index 3b1dd85716de..913d23048f1f 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -16,6 +16,7 @@ arch-$(CONFIG_CPU_ARM1136) =-march=armv5
arch-$(CONFIG_CPU_ARM1176) =-march=armv5t
arch-$(CONFIG_CPU_V7A) =$(call cc-option, -march=armv7-a, \
$(call cc-option, -march=armv7, -march=armv5))
+arch-$(CONFIG_CPU_V7M) =-march=armv7-m
arch-$(CONFIG_CPU_V7R) =-march=armv7-r
arch-$(CONFIG_ARM64) =-march=armv8-a
diff --git a/arch/arm/cpu/armv7m/config.mk b/arch/arm/cpu/armv7m/config.mk
index 4e46df5a2844..f50964cfb92e 100644
--- a/arch/arm/cpu/armv7m/config.mk
+++ b/arch/arm/cpu/armv7m/config.mk
@@ -3,4 +3,4 @@
# (C) Copyright 2015
# Kamil Lulko, <kamil.lu...@gmail.com>
-PLATFORM_CPPFLAGS += -march=armv7-m -mthumb -mno-unaligned-access
+PLATFORM_CPPFLAGS += -mno-unaligned-access
--
2.7.4
_______________________________________________
U-Boot mailing list
U-Boot@lists.denx.de
https://lists.denx.de/listinfo/u-boot
