Patchwork [U-Boot,v2] tegra: override compiler flags for cmd_nvedit

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Submitter Allen Martin
Date May 14, 2012, 8:25 p.m.
Message ID <1337027110-2547-1-git-send-email-amartin@nvidia.com>
Download mbox | patch
Permalink /patch/159159/
State Superseded
Headers show

Comments

Allen Martin - May 14, 2012, 8:25 p.m.
Override -march setting for tegra to -march=armv4t for cmd_nvedit.c

The recent change to use -march=armv7-a for armv7 caused a regression
on tegra because tegra starts boot on a arm7tdmi processor before
transferring control to the cortex-a9.  While still executing on the
arm7tdmi there is a call to getenv_ulong() that causes an illegal
instruction exception if cmd_nvedit is compiled for armv7.

Signed-off-by: Allen Martin <amartin@nvidia.com>
---
 arch/arm/cpu/armv7/tegra2/config.mk |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

Patch

diff --git a/arch/arm/cpu/armv7/tegra2/config.mk b/arch/arm/cpu/armv7/tegra2/config.mk
index fe9ef5b..3f068dc 100644
--- a/arch/arm/cpu/armv7/tegra2/config.mk
+++ b/arch/arm/cpu/armv7/tegra2/config.mk
@@ -24,10 +24,11 @@ 
 # MA 02111-1307 USA
 #
 
-# Tegra has an ARMv4T CPU which runs board_init_f(), so we must build this
-# file with compatible flags
+# Tegra has an ARMv4T CPU which runs board_init_f(), so we must build these
+# files with compatible flags
 ifdef CONFIG_TEGRA2
 CFLAGS_arch/arm/lib/board.o += -march=armv4t
+CFLAGS_common/cmd_nvedit.o += -march=armv4t
 endif
 
 USE_PRIVATE_LIBGCC = yes