libpayload: Add comment about ARM64 exception stack

Change-Id: I8b74cbf6bdde32c90ad0510e14e899711269e57f
Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-on: https://review.coreboot.org/14075
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
This commit is contained in:
Stefan Reinauer 2016-03-12 16:36:57 -08:00
parent 31575f6391
commit f0acf47ae1
1 changed files with 4 additions and 0 deletions

View File

@ -83,6 +83,10 @@ SECTIONS
. = ALIGN(16);
_stack = .;
/* Exception stack. Having a separate exception stack
* allows us to have later stages running in non-EL3 levels.
*/
_exc_estack = .;
. += STACK_SIZE;
. = ALIGN(16);