Hi Vitaly, the exact same problem applies to ARM1176. Maybe you could update your patch and add the same line to /arch/arm/cpu/arm1176/start.S. I am currently not working on an top-of-tree U-Boot, so it would be not so easy for me to create a separate patch for ARM1176.
Regards, Martin [email protected] wrote on Tuesday, June 15, 2010 12:52 PM: > The ARM ABI requires that the stack be aligned to 8 bytes as it is > noted in Procedure Call Standard for the ARM Architecture: > http://infocenter.arm.com/help/topic/com.arm.doc.ihi0042d/index.html > > Unaligned SP also causes the problem with variable-length arrays > allocation when VLA address becomes less than stack pointer during > aligning of this address, so the further 'push' into the stack > overwrites first 4 bytes of VLA. > > Signed-off-by: Vitaly Kuzmichev <[email protected]> > Signed-off-by: George G. Davis <[email protected]> > --- > arch/arm/cpu/arm1136/start.S | 1 + > 1 files changed, 1 insertions(+), 0 deletions(-) > > diff --git a/arch/arm/cpu/arm1136/start.S > b/arch/arm/cpu/arm1136/start.S index 957f438..d0c5717 100644 > --- a/arch/arm/cpu/arm1136/start.S > +++ b/arch/arm/cpu/arm1136/start.S > @@ -185,6 +185,7 @@ stack_setup: > #endif > sub sp, r0, #12 /* leave 3 words for abort-stack */ > #endif /* CONFIG_PRELOADER */ > + bic sp, sp, #7 /* 8-byte alignment */ > > clear_bss: > ldr r0, _bss_start /* find start of bss segment */ _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
