From f3717ac5848ec389919596d5e518b528fb8bebdd Mon Sep 17 00:00:00 2001 From: "amartin@nvidia.com" Date: Mon, 14 May 2012 13:14:39 +0000 Subject: [PATCH] tegra: override compiler flags for low level init code Override -march setting for tegra to -march=armv4t for files that are necessary for low level init on tegra. 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 are calls to getenv_ulong() and memset() that cause an illegal instruction exception if compiled for armv7. Signed-off-by: Allen Martin Tested-by: Stephen Warren Signed-off-by: Tom Warren --- arch/arm/cpu/armv7/tegra2/config.mk | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/arch/arm/cpu/armv7/tegra2/config.mk b/arch/arm/cpu/armv7/tegra2/config.mk index fe9ef5b763..4dd8cb8442 100644 --- a/arch/arm/cpu/armv7/tegra2/config.mk +++ b/arch/arm/cpu/armv7/tegra2/config.mk @@ -24,10 +24,13 @@ # 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_arch/arm/lib/memset.o += -march=armv4t +CFLAGS_lib/string.o += -march=armv4t +CFLAGS_common/cmd_nvedit.o += -march=armv4t endif USE_PRIVATE_LIBGCC = yes -- 2.30.2