Patch set updated for coreboot: libpayload: Add comment about ARM64 exception stack

[Stefan Reinauer]

Stefan Reinauer ([e-mail]) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/14075

-gerrit

commit 968d2b66dbb5350f3bc10d8fc8fd97c435d870ba
Author: Stefan Reinauer 
Date:   Sat Mar 12 16:36:57 2016 -0800

libpayload: Add comment about ARM64 exception stack

Change-Id: I8b74cbf6bdde32c90ad0510e14e899711269e57f
    Signed-off-by: Stefan Reinauer 
---
 payloads/libpayload/arch/arm64/libpayload.ldscript | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/payloads/libpayload/arch/arm64/libpayload.ldscript b/payloads/libpayload/arch/arm64/libpayload.ldscript
index 0cb88cf..5c807ce 100644
--- a/payloads/libpayload/arch/arm64/libpayload.ldscript
+++ b/payloads/libpayload/arch/arm64/libpayload.ldscript
@@ -78,6 +78,10 @@ SECTIONS
    	. = ALIGN(16);
    	_stack = .;

+		/* Exception stack. Having a separate exception stack
+		 * allows us to have later stages running in non-EL3 levels.
+		 */
+
    	_exc_estack = .;
    	. += CONFIG_LP_STACK_SIZE;
    	. = ALIGN(16);