| Message ID | 1322563736-6672-1-git-send-email-christian.riesch@omicron.at |
|---|---|
| State | Superseded |
| Headers | show |
On Tue, Nov 29, 2011 at 11:48 AM, Christian Riesch <christian.riesch@omicron.at> wrote: > This patch fixes the clear bss loop for bss sections that have > zero length, i.e., where __bss_start == __bss_end__. > > Signed-off-by: Christian Riesch <christian.riesch@omicron.at> > Cc: Albert Aribaud <albert.u.boot@aribaud.net> Oh, wrong subject line, this is for arm, not only for 'arm, davinci'. Sorry, I'll repost. Christian
diff --git a/arch/arm/cpu/arm926ejs/start.S b/arch/arm/cpu/arm926ejs/start.S index 8b5355b..772793c 100644 --- a/arch/arm/cpu/arm926ejs/start.S +++ b/arch/arm/cpu/arm926ejs/start.S @@ -299,10 +299,12 @@ clear_bss: #endif mov r2, #0x00000000 /* clear */ -clbss_l:str r2, [r0] /* clear loop... */ +clbss_l:cmp r0, r1 /* clear loop... */ + beq clbss_e + str r2, [r0] add r0, r0, #4 - cmp r0, r1 - bne clbss_l + b clbss_l +clbss_e: #ifndef CONFIG_SPL_BUILD bl coloured_LED_init
This patch fixes the clear bss loop for bss sections that have zero length, i.e., where __bss_start == __bss_end__. Signed-off-by: Christian Riesch <christian.riesch@omicron.at> Cc: Albert Aribaud <albert.u.boot@aribaud.net> --- Hi, this is v4 of a patch out of my recent patchset [PATCH v3 00/15] Add an SPL to boot the da850evm from SPI http://lists.denx.de/pipermail/u-boot/2011-November/111182.html Changes for v4: - split the patchset since it is getting quite big Regards, Christian arch/arm/cpu/arm926ejs/start.S | 8 +++++--- 1 files changed, 5 insertions(+), 3 deletions(-)