uImage built with pre-built linaro toolchain failed to start
michael.hope at linaro.org
Sun Jan 15 20:49:26 UTC 2012
On Wed, Jan 11, 2012 at 10:27 PM, Lv Terry-R65388 <r65388 at freescale.com> wrote:
> Hi Michael,
> By adding -mno-unaligned-access, kernel can start now.
> I've another question, Does this option have some impact on performance?
Hi Terry. It should improve things. Before this patch the compiler
would emit the instructions to do a byte-by-byte load and recombine
these into the final word. With this patch it does a single load and
lets the hardware sort it out.
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