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Diffstat (limited to 'gitlab/issues/target_ppc/host_missing/accel_missing/584.toml')
| -rw-r--r-- | gitlab/issues/target_ppc/host_missing/accel_missing/584.toml | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/gitlab/issues/target_ppc/host_missing/accel_missing/584.toml b/gitlab/issues/target_ppc/host_missing/accel_missing/584.toml new file mode 100644 index 000000000..8b89be1a8 --- /dev/null +++ b/gitlab/issues/target_ppc/host_missing/accel_missing/584.toml @@ -0,0 +1,51 @@ +id = 584 +title = "qemu-system-ppc: extra IPI interrupt on core0" +state = "closed" +created_at = "2021-08-31T05:43:03.509Z" +closed_at = "2021-09-30T16:38:03.120Z" +labels = ["target: ppc"] +url = "https://gitlab.com/qemu-project/qemu/-/issues/584" +host-os = "Linux" +host-arch = "x86_64" +qemu-version = "QEMU emulator version 6.1.0" +guest-os = "vxWroks/linux" +guest-arch = "PowerPC" +description = """When I try to emit an IPI interrupt from core0 to another core via the MPIC controller(IPIDR1—Interprocessor interrupt dispatch register 1), core0 itself generates an unwanted IPI interrupt.""" +reproduce = """1. Prepare ISR routine, something like: + + void ipi_handler (void) + { +\tint core_id = CORE_ID_GET(); + myprintf("\\n IPI interrupt triggered on core:%d\\n",core_id); + } +2. Create a task and bind it to core0. This task is mainly to write the MPIC controller to emit IPI interrupts to other cores. + MPIC_REG_WRITE(MPIC_BASE + IPIDR1, **0xe**); + +3. run the test task""" +additional = """/* Below test was tested on Qemu6.1 */ + +IPI interrupts are emitted by core:0 + +**IPI interrupt triggered on core:0** /* it's a bug, it should not trigger on core 0. */ + +IPI interrupt triggered on core:1 + +IPI interrupt triggered on core:2 + +IPI interrupt triggered on core:3 + + +This bug only occurs when "emitting an IPIDR1 interrupt from **core0**". + +------------ + + +/* Below test was tested on real board(fsl_p4080ds) */ + +IPI interrupts are emitted by core:0 + +IPI interrupt triggered on core:1 + +IPI interrupt triggered on core:2 + +IPI interrupt triggered on core:3""" |