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xtensa: Save PS correctly in coproc handler 

"EPS" is not a real register. It's just a base value of EPS_{2..7}.
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YAMAMOTO Takashi 2020-03-31 13:10:11 +09:00 committed by Xiang Xiao
parent d2a6e56308
commit b9bf9c9a2b
1 changed files with 1 additions and 1 deletions
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arch/xtensa/src/common/xtensa_user_handler.S
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@ -454,7 +454,7 @@ _xtensa_coproc_handler:
mov a0, sp /* sp == a1 */ mov a0, sp /* sp == a1 */
addi sp, sp, -(4 * XCPTCONTEXT_SIZE) /* Allocate interrupt stack frame */ addi sp, sp, -(4 * XCPTCONTEXT_SIZE) /* Allocate interrupt stack frame */
s32i a0, sp, (4 * REG_A1) /* Save pre-interrupt SP */ 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) s32i a0, sp, (4 * REG_PS)
rsr a0, EPC_1 /* Save interruptee's PC */ rsr a0, EPC_1 /* Save interruptee's PC */
s32i a0, sp, (4 * REG_PC) s32i a0, sp, (4 * REG_PC)