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-rw-r--r--arch/arm/cpu/arm926ejs/orion5x/cpu.c4
-rw-r--r--arch/arm/cpu/armv7/config.mk7
-rw-r--r--arch/arm/lib/interrupts.c2
3 files changed, 8 insertions, 5 deletions
diff --git a/arch/arm/cpu/arm926ejs/orion5x/cpu.c b/arch/arm/cpu/arm926ejs/orion5x/cpu.c
index c3948d3..5a4775a 100644
--- a/arch/arm/cpu/arm926ejs/orion5x/cpu.c
+++ b/arch/arm/cpu/arm926ejs/orion5x/cpu.c
@@ -194,8 +194,8 @@ u32 orion5x_device_rev(void)
*/
int print_cpuinfo(void)
{
- char dev_str[] = "0x0000";
- char rev_str[] = "0x00";
+ char dev_str[7]; /* room enough for 0x0000 plus null byte */
+ char rev_str[5]; /* room enough for 0x00 plus null byte */
char *dev_name = NULL;
char *rev_name = NULL;
diff --git a/arch/arm/cpu/armv7/config.mk b/arch/arm/cpu/armv7/config.mk
index 560c084..9c3e2f3 100644
--- a/arch/arm/cpu/armv7/config.mk
+++ b/arch/arm/cpu/armv7/config.mk
@@ -26,8 +26,6 @@ PLATFORM_RELFLAGS += -fno-common -ffixed-r8 -msoft-float
# supported by more tool-chains
PF_CPPFLAGS_ARMV7 := $(call cc-option, -march=armv7-a, -march=armv5)
PLATFORM_CPPFLAGS += $(PF_CPPFLAGS_ARMV7)
-PF_CPPFLAGS_NO_UNALIGNED := $(call cc-option, -mno-unaligned-access,)
-PLATFORM_CPPFLAGS += $(PF_CPPFLAGS_NO_UNALIGNED)
# =========================================================================
#
@@ -36,6 +34,11 @@ PLATFORM_CPPFLAGS += $(PF_CPPFLAGS_NO_UNALIGNED)
# =========================================================================
PF_RELFLAGS_SLB_AT := $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,))
PLATFORM_RELFLAGS += $(PF_RELFLAGS_SLB_AT)
+
+# SEE README.arm-unaligned-accesses
+PF_NO_UNALIGNED := $(call cc-option, -mno-unaligned-access,)
+PLATFORM_NO_UNALIGNED := $(PF_NO_UNALIGNED)
+
ifneq ($(CONFIG_IMX_CONFIG),)
ALL-y += $(obj)u-boot.imx
endif
diff --git a/arch/arm/lib/interrupts.c b/arch/arm/lib/interrupts.c
index 74ff5ce..02124a7 100644
--- a/arch/arm/lib/interrupts.c
+++ b/arch/arm/lib/interrupts.c
@@ -169,7 +169,7 @@ void do_prefetch_abort (struct pt_regs *pt_regs)
void do_data_abort (struct pt_regs *pt_regs)
{
- printf ("data abort\n");
+ printf ("data abort\n\n MAYBE you should read doc/README.arm-unaligned-accesses\n\n");
show_regs (pt_regs);
bad_mode ();
}