On 05/17/2016 12:21 AM, Chen-Yu Tsai wrote: > Hi, > > On Tue, May 17, 2016 at 10:38 AM, <tpear...@raptorengineering.com> wrote: >> --- >> arch/arm/cpu/armv7/psci.S | 1 + >> arch/arm/cpu/armv7/sunxi/psci_sun6i.S | 4 ++-- >> arch/arm/cpu/armv7/sunxi/psci_sun7i.S | 4 ++-- >> 3 files changed, 5 insertions(+), 4 deletions(-) >> >> diff --git a/arch/arm/cpu/armv7/psci.S b/arch/arm/cpu/armv7/psci.S >> index 87c0c0b..18a0cc2 100644 >> --- a/arch/arm/cpu/armv7/psci.S >> +++ b/arch/arm/cpu/armv7/psci.S >> @@ -203,6 +203,7 @@ ENTRY(psci_get_cpu_stack_top) >> add r5, r5, #0x2000 @ Skip two pages >> lsr r5, r5, #12 @ Align to start of page > > Why not just change this line instead? > > ChenYu >
That would break page alignment, no? The idea is to align the lower stack range address to a page (possibly wasting up to slightly less than a page in the process); changing this line would result in two pages wasted and the same amount of space available for the stack. -- Timothy Pearson Raptor Engineering +1 (415) 727-8645 (direct line) +1 (512) 690-0200 (switchboard) https://www.raptorengineering.com _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
