leandrof/u-boot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

arm: armv7m: Clean up some thumb / compiler flag options

Browse Source 
- 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>
This commit is contained in:
Tom Rini 2018-05-07 20:46:52 -04:00
parent dca268a8f9
commit ea37f0b312
3 changed files with 3 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
arch/arm/Kconfig
View File

@ -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

1
arch/arm/Makefile
View File

@ -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

2
arch/arm/cpu/armv7m/config.mk
View File

@ -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