From: danh-arm <dan.handley@arm.com>
Date: Thu, 8 May 2014 11:25:02 +0000 (+0100)
Subject: Merge pull request #63 from soby-mathew/sm/save_callee_saved_registers_in_cpu_context-1
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=401607cf31ca8a752ee3154d45b69ee4995a8923;p=project%2Fbcm63xx%2Fatf.git

Merge pull request #63 from soby-mathew/sm/save_callee_saved_registers_in_cpu_context-1

Preserve x19-x29 across world switch for exception handling
---

401607cf31ca8a752ee3154d45b69ee4995a8923
diff --cc services/std_svc/psci/psci_entry.S
index 25adaa11,50f74a6c..256c538d
--- a/services/std_svc/psci/psci_entry.S
+++ b/services/std_svc/psci/psci_entry.S
@@@ -99,10 -101,9 +99,9 @@@ psci_aff_common_finish_entry
  	 * -IS-WBWA memory
  	 * --------------------------------------------
  	 */
 -	mov	x0, x19
 +	mrs	x0, mpidr_el1
  	bl	platform_set_stack
  
- 	zero_callee_saved_regs
  	b	el3_exit
  _panic:
  	b	_panic