diff options
Diffstat (limited to 'arch/xtensa/kernel/vectors.S')
| -rw-r--r-- | arch/xtensa/kernel/vectors.S | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/arch/xtensa/kernel/vectors.S b/arch/xtensa/kernel/vectors.S index 1b397a902292..abcdb527f18a 100644 --- a/arch/xtensa/kernel/vectors.S +++ b/arch/xtensa/kernel/vectors.S @@ -627,7 +627,11 @@ ENTRY(_Level\level\()InterruptVector) wsr a0, excsave2 rsr a0, epc\level wsr a0, epc1 + .if \level <= LOCKLEVEL movi a0, EXCCAUSE_LEVEL1_INTERRUPT + .else + movi a0, EXCCAUSE_MAPPED_NMI + .endif wsr a0, exccause rsr a0, eps\level # branch to user or kernel vector @@ -682,11 +686,13 @@ ENDPROC(_WindowOverflow4) .align 4 _SimulateUserKernelVectorException: addi a0, a0, (1 << PS_EXCM_BIT) +#if !XTENSA_FAKE_NMI wsr a0, ps +#endif bbsi.l a0, PS_UM_BIT, 1f # branch if user mode - rsr a0, excsave2 # restore a0 + xsr a0, excsave2 # restore a0 j _KernelExceptionVector # simulate kernel vector exception -1: rsr a0, excsave2 # restore a0 +1: xsr a0, excsave2 # restore a0 j _UserExceptionVector # simulate user vector exception #endif |