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Merge branch 'fix/xtensa-register-corrupted-after-context-switch' into 'release/v5.1'

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fix(xtensa): fix registers curruption on context switch

See merge request espressif/esp-idf!26210
This commit is contained in:
Jiang Jiang Jian
2023-10-18 15:25:03 +08:00
parent 6cc6ece701 3f470624de
commit bc87e14695
1 changed files with 4 additions and 0 deletions
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4
components/freertos/FreeRTOS-Kernel/portable/xtensa/xtensa_vectors.S
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@ -1163,13 +1163,17 @@ _xt_coproc_exc:
bnone a2, a0, .L_xt_coproc_done /* if no match then done */ bnone a2, a0, .L_xt_coproc_done /* if no match then done */
and a2, a2, a0 /* a2 = which CPs to restore */ and a2, a2, a0 /* a2 = which CPs to restore */
extui a2, a2, 0, 8 /* extract low 8 bits */ extui a2, a2, 0, 8 /* extract low 8 bits */
#if portNUM_PROCESSORS == 1
s32i a6, sp, XT_STK_A6 /* save extra needed regs */ s32i a6, sp, XT_STK_A6 /* save extra needed regs */
s32i a7, sp, XT_STK_A7 s32i a7, sp, XT_STK_A7
#endif /* portNUM_PROCESSORS == 1 */
s32i a13, sp, XT_STK_A13 s32i a13, sp, XT_STK_A13
s32i a14, sp, XT_STK_A14 s32i a14, sp, XT_STK_A14
call0 _xt_coproc_restorecs /* restore CP registers */ call0 _xt_coproc_restorecs /* restore CP registers */
#if portNUM_PROCESSORS == 1
l32i a6, sp, XT_STK_A6 /* restore saved registers */ l32i a6, sp, XT_STK_A6 /* restore saved registers */
l32i a7, sp, XT_STK_A7 l32i a7, sp, XT_STK_A7
#endif /* portNUM_PROCESSORS == 1 */
l32i a13, sp, XT_STK_A13 l32i a13, sp, XT_STK_A13
l32i a14, sp, XT_STK_A14 l32i a14, sp, XT_STK_A14
j .L_xt_coproc_done j .L_xt_coproc_done