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 <[email protected]> Cc: Albert Aribaud <[email protected]> --- arch/arm/cpu/arm926ejs/start.S | 8 +++++--- 1 files changed, 5 insertions(+), 3 deletions(-) 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 -- 1.7.0.4 _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
