diff options
Diffstat (limited to 'gitlab/issues/target_arm/host_missing/accel_TCG/1204.toml')
| -rw-r--r-- | gitlab/issues/target_arm/host_missing/accel_TCG/1204.toml | 39 |
1 files changed, 0 insertions, 39 deletions
diff --git a/gitlab/issues/target_arm/host_missing/accel_TCG/1204.toml b/gitlab/issues/target_arm/host_missing/accel_TCG/1204.toml deleted file mode 100644 index 18746c2fe..000000000 --- a/gitlab/issues/target_arm/host_missing/accel_TCG/1204.toml +++ /dev/null @@ -1,39 +0,0 @@ -id = 1204 -title = "AArch64 unaligned accesses are allowed by QEMU when SCTLR_EL3.A is 0, but SCTLR_EL3.M is also 0" -state = "closed" -created_at = "2022-09-11T12:12:15.036Z" -closed_at = "2024-03-05T15:25:53.778Z" -labels = ["Closed::Fixed", "accel: TCG", "kind::Bug", "target: arm"] -url = "https://gitlab.com/qemu-project/qemu/-/issues/1204" -host-os = "n/a" -host-arch = "aarch64" -qemu-version = "master" -guest-os = "n/a" -guest-arch = "aarch64" -description = """As per the ARM ARM, when address translation is disabled and the access is not done from EL1/0 with HCR_EL2.DC set to 1, data accesses receive the 'Device-nGnRnE' memory attribute (D.8.2.10 The effects of disabling an address translation stage - DDi0487I.a, Page D8-5119). -Memory regions marked as Device do not support unaligned access.""" -reproduce = """Run the following snippet under EL3, and notice the last load instruction completes successfully (doesn't raise an alignment fault) -``` -.balign 8 -.global first_variable -first_variable: - .word 0x1 -.balign 4 -.global second_variable -second_variable: - .word 0x2 - -no_mmu_sctlr: .dword 0x0000000030C51834 - -.globl reproducer -reproducer: - ldr x1, no_mmu_sctlr // A=0,M=0 - msr sctlr_el3, x1 - dsb sy - isb - - ldr x0, =first_variable - ldr x1, [x0, #0] // Aligned - Success - ldr x1, [x0, #4] // Unaligned - Success??? (Should be failure) -```""" -additional = "n/a" |