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| author | Tom Rini <trini@konsulko.com> | 2018-05-07 20:46:52 -0400 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2018-05-23 13:03:42 -0400 |
| commit | ea37f0b3129bb21c5d4bd11a14bfcf2537e8ec29 (patch) | |
| tree | 8428cc92c2ffa6a1c71629744604f969f12143fa /arch/arm | |
| parent | dca268a8f987730978e1a23adfd0ac82db341a10 (diff) | |
| download | u-boot-ea37f0b3129bb21c5d4bd11a14bfcf2537e8ec29.tar.gz | |
arm: armv7m: Clean up some thumb / compiler flag options
- 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 <trini@konsulko.com>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/Kconfig | 1 | ||||
| -rw-r--r-- | arch/arm/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7m/config.mk | 2 |
3 files changed, 3 insertions, 1 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index d273294afd..0d1802b9f9 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 4d6d276137..680c6e8516 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 4e46df5a28..f50964cfb9 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.lulko@gmail.com> -PLATFORM_CPPFLAGS += -march=armv7-m -mthumb -mno-unaligned-access +PLATFORM_CPPFLAGS += -mno-unaligned-access |