when exit irq, qemu pop wrong addr to PC #19
Description
I'm using arc QEMU to run Zephyr, and sometimes QEMU will not execute Zephyr code, so I enable the irq log of QEMU, finding QEMU pops wrong addr(x0000a000) to PC, so the TCG can't run any more.
[[IRQ] level = 0, clear = 1, irq = 24, priority = 1, pending = 00000000, pc = 8040a9f0 [IRQ] level = 0, clear = 1, irq = 24, priority = 1, pending = 00000000, pc = 8040a9f0 [IRQ] level = 0, clear = 1, irq = 24, priority = 1, pending = 00000000, pc = 8040a9f0 [IRQ] level = 0, clear = 1, irq = 24, priority = 1, pending = 00000000, pc = 8040a9f0 [IRQ] level = 0, clear = 1, irq = 24, priority = 1, pending = 00000000, pc = 8040a9f0 [IRQ] level = 0, clear = 1, irq = 24, priority = 1, pending = 00000000, pc = 8040a9f0 [IRQ] set aux_reg: aux_irq_act, with 0x00004000 [IRQ] exit irq:0 IRQ_ACT:0x00004000 PRIO:14 [IRQ] exit irq:0 U:0 AE:0 IE:0 E:14 IRQ_ACT:0x00000000 [IRQ] Pop [SP:0x80480a18] => 0x804328c8 (r0) [IRQ] Pop [SP:0x80480a1c] => 0x0000001e (r1) [IRQ] Pop [SP:0x80480a20] => 0x0000003e (r2) [IRQ] Pop [SP:0x80480a24] => 0x00000000 (r3) [IRQ] Pop [SP:0x80480a28] => 0xffffffff (r4) [IRQ] Pop [SP:0x80480a2c] => 0x00000000 (r5) [IRQ] Pop [SP:0x80480a30] => 0x00000000 (r6) [IRQ] Pop [SP:0x80480a34] => 0x804017f8 (r7) [IRQ] Pop [SP:0x80480a38] => 0x00000000 (r8) [IRQ] Pop [SP:0x80480a3c] => 0x00000000 (r9) [IRQ] Pop [SP:0x80480a40] => 0x00000000 (r10) [IRQ] Pop [SP:0x80480a44] => 0x00000008 (r11) [IRQ] Pop [SP:0x80480a48] => 0x80408d9a (r12) [IRQ] Pop [SP:0x80480a4c] => 0x8043282c (r13) [IRQ] Pop [SP:0x80480a50] => 0x0000f000 (blink) [IRQ] Pop [SP:0x80480a54] => 0xfffec001 (LP_END) [IRQ] Pop [SP:0x80480a58] => 0x00000001 (LP_START) [IRQ] Pop [SP:0x80480a5c] => 0x00000004 (lp) [IRQ] Pop [SP:0x80480a60] => 0x0000a000 (PC) [IRQ] Pop [SP:0x80480a64] => 0x00000316 (STATUS32) [IRQ] RTIE @0x0000a000 STATUS32:0x00000316 [IRQ] level = 1, clear = 0, irq = 21, priority = 0, pending = 00000001, pc = 0000a000 [TMR0] Rising IRQ [IRQ] level = 1, clear = 0, irq = 16, priority = 0, pending = 00000001, pc = 0000a000 [IRQ] level = 1, clear = 0, irq = 20, priority = 0, pending = 00000001, pc = 0000a000 [IRQ] level = 0, clear = 1, irq = 24, priority = 1, pending = 00000001, pc = 0000a000 [IRQ] level = 1, clear = 0, irq = 24, priority = 1, pending = 00000003, pc = 0000a000 [IRQ] level = 1, clear = 0, irq = 24, priority = 1, pending = 00000003, pc = 0000a000 [IRQ] level = 1, clear = 0, irq = 24, priority = 1, pending = 00000003, pc = 0000a000 [IRQ] level = 1, clear = 0, irq = 24, priority = 1, pending = 00000003, pc = 0000a000 [IRQ] level = 1, clear = 0, irq = 24, priority = 1, pending = 00000003, pc = 0000a000 [IRQ] level = 1, clear = 0, irq = 24, priority = 1, pending = 00000003, pc = 0000a000 [IRQ] level = 1, clear = 0, irq = 24, priority = 1, pending = 00000003, pc = 0000a000 I don't know why there is exit irq 0, and I attach the whole log here, hope we can have some discussion about this. Thanks