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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-05-30 16:52:07 +0200 |
|---|---|---|
| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-05-30 16:52:17 +0200 |
| commit | 9260319e7411ff8281700a532caa436f40120ec4 (patch) | |
| tree | 2f6bfe5f3458dd49d328d3a9eb508595450adec0 /gitlab/issues/target_ppc/host_missing/accel_missing/1958.toml | |
| parent | 225caa38269323af1bfc2daadff5ec8bd930747f (diff) | |
| download | emulator-bug-study-9260319e7411ff8281700a532caa436f40120ec4.tar.gz emulator-bug-study-9260319e7411ff8281700a532caa436f40120ec4.zip | |
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Diffstat (limited to 'gitlab/issues/target_ppc/host_missing/accel_missing/1958.toml')
| -rw-r--r-- | gitlab/issues/target_ppc/host_missing/accel_missing/1958.toml | 31 |
1 files changed, 0 insertions, 31 deletions
diff --git a/gitlab/issues/target_ppc/host_missing/accel_missing/1958.toml b/gitlab/issues/target_ppc/host_missing/accel_missing/1958.toml deleted file mode 100644 index c3abadcc..00000000 --- a/gitlab/issues/target_ppc/host_missing/accel_missing/1958.toml +++ /dev/null @@ -1,31 +0,0 @@ -id = 1958 -title = "PPC msgsnd for DOORBELL CRITICAL masked by MSR[EE] instead of MSR[CE]" -state = "opened" -created_at = "2023-10-25T07:32:40.218Z" -closed_at = "n/a" -labels = ["target: ppc"] -url = "https://gitlab.com/qemu-project/qemu/-/issues/1958" -host-os = "Debian 11" -host-arch = "amd64" -qemu-version = "QEMU emulator version 8.1.2" -guest-os = "Custom" -guest-arch = "PPC E500mc" -description = """When executing PPC instruction "msgsnd r3. with r3 = 0x08000001" an DOORBELL CRITICAL exception is raised on core number 1. But this exception is masked by MSR\\[EE\\] bit, the MSR\\[EE\\] should be set to 1 in core1 to get this exception. But the NXP E500MCRM.pdf reference manual indicates that MSR\\[CE\\] is the mask bit for DOORBELL_CRITICAL Exception.""" -reproduce = "n/a" -additional = """In qemu-8.1.2/target/ppc/excp_helper.c i try to change in ppc_next_unmasked_interrupt_generic function: - -``` -if (FIELD_EX64(env->msr, MSR, CE)) { - /* Critical doorbell */ - if (env->pending_interrupts & PPC_INTERRUPT_CDOORBELL) { <- move this part from (async_deliver != 0) - return PPC_INTERRUPT_CDOORBELL; - } - /* External critical interrupt */ - if (env->pending_interrupts & PPC_INTERRUPT_CEXT) { - return PPC_INTERRUPT_CEXT; - } -} -``` - - -And it seems to work in my case.""" |