On Sun, Mar 01, 2015 at 12:44:39PM +0100, Kamil Lulko wrote: > Signed-off-by: Kamil Lulko <[email protected]> [snip] > diff --git a/arch/arm/lib/crt0.S b/arch/arm/lib/crt0.S [snip] > @@ -66,15 +69,30 @@ ENTRY(_main) > #else > ldr sp, =(CONFIG_SYS_INIT_SP_ADDR) > #endif > +#if defined(CONFIG_CPU_V7M) /* v7M forbids using SP as BIC destination */ > + mov r3, sp > + bic r3, r3, #7 > + mov sp, r3 > +#else > bic sp, sp, #7 /* 8-byte alignment for ABI compliance */ > +#endif
There's 4 places where this change comes in. Albert, what do you think about always just doing this in 3 instructions with a comment in the first instance about v7-M support? -- Tom
signature.asc
Description: Digital signature
_______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
