You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@nuttx.apache.org by xi...@apache.org on 2020/03/31 06:31:40 UTC
[incubator-nuttx] 03/03: xtensa: Save PS correctly in coproc handler
This is an automated email from the ASF dual-hosted git repository.
xiaoxiang pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/incubator-nuttx.git
commit b9bf9c9a2bb552cc1f630a8b4e777a51bb02da43
Author: YAMAMOTO Takashi <ya...@midokura.com>
AuthorDate: Tue Mar 31 13:10:11 2020 +0900
xtensa: Save PS correctly in coproc handler
"EPS" is not a real register. It's just a base value of EPS_{2..7}.
---
arch/xtensa/src/common/xtensa_user_handler.S | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/xtensa/src/common/xtensa_user_handler.S b/arch/xtensa/src/common/xtensa_user_handler.S
index d14c629..bc01f53 100644
--- a/arch/xtensa/src/common/xtensa_user_handler.S
+++ b/arch/xtensa/src/common/xtensa_user_handler.S
@@ -454,7 +454,7 @@ _xtensa_coproc_handler:
mov a0, sp /* sp == a1 */
addi sp, sp, -(4 * XCPTCONTEXT_SIZE) /* Allocate interrupt stack frame */
s32i a0, sp, (4 * REG_A1) /* Save pre-interrupt SP */
- rsr a0, EPS /* Save interruptee's PS */
+ rsr a0, PS /* Save interruptee's PS */
s32i a0, sp, (4 * REG_PS)
rsr a0, EPC_1 /* Save interruptee's PC */
s32i a0, sp, (4 * REG_PC)