Hi,
On Tue, May 17, 2016 at 10:38 AM, tpearson@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
lsl r5, r5, #12
add r5, r5, #0x1000 @ Skip an additional page sub r5, r5, #4 @ reserve 1 word for target PC sub r0, r5, r0 @ here's our stack!diff --git a/arch/arm/cpu/armv7/sunxi/psci_sun6i.S b/arch/arm/cpu/armv7/sunxi/psci_sun6i.S index 90b5bfd..d35b63e 100644 --- a/arch/arm/cpu/armv7/sunxi/psci_sun6i.S +++ b/arch/arm/cpu/armv7/sunxi/psci_sun6i.S @@ -32,8 +32,8 @@
._secure_text section- text_end to ALIGN_PAGE(text_end):
nothing
- ALIGN_PAGE(text_end) to ALIGN_PAGE(text_end) + 0x1000)
1kB of stack per CPU (4 CPUs max).
- ALIGN_PAGE(text_end) to ALIGN_PAGE(text_end) + 0x2000)
1kB of stack per CPU (8 CPUs max).*/
.pushsection ._secure.text, "ax"diff --git a/arch/arm/cpu/armv7/sunxi/psci_sun7i.S b/arch/arm/cpu/armv7/sunxi/psci_sun7i.S index e15d587..b8ac50e 100644 --- a/arch/arm/cpu/armv7/sunxi/psci_sun7i.S +++ b/arch/arm/cpu/armv7/sunxi/psci_sun7i.S @@ -32,8 +32,8 @@
._secure_text section- text_end to ALIGN_PAGE(text_end):
nothing
- ALIGN_PAGE(text_end) to ALIGN_PAGE(text_end) + 0x1000)
1kB of stack per CPU (4 CPUs max).
- ALIGN_PAGE(text_end) to ALIGN_PAGE(text_end) + 0x2000)
1kB of stack per CPU (8 CPUs max).*/
.pushsection ._secure.text, "ax"-- 2.8.0.rc3
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