diff options
Diffstat (limited to 'gitlab/issues_toml/target_arm/host_missing/accel_missing/452.toml')
| -rw-r--r-- | gitlab/issues_toml/target_arm/host_missing/accel_missing/452.toml | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/gitlab/issues_toml/target_arm/host_missing/accel_missing/452.toml b/gitlab/issues_toml/target_arm/host_missing/accel_missing/452.toml new file mode 100644 index 000000000..4f68dae72 --- /dev/null +++ b/gitlab/issues_toml/target_arm/host_missing/accel_missing/452.toml @@ -0,0 +1,64 @@ +id = 452 +title = "Akita (and probably all Spitz-like / PXA270) platform does not load BIOS binary" +state = "closed" +created_at = "2021-06-26T20:58:47.780Z" +closed_at = "2024-10-16T15:41:11.144Z" +labels = ["Closed::WontFix", "TestCase", "target: arm"] +url = "https://gitlab.com/qemu-project/qemu/-/issues/452" +host-os = "Raw BIOS file (not OS)" +host-arch = "x64" +qemu-version = "4.2.1" +guest-os = "Raw BIOS file (not OS)" +guest-arch = "ARM (akita)" +description = """QEMU does not appear to load a binary file passed with the "-bios" argument for the "akita" target. This probably extends to other spitz-type systems. + +Exptected behavior: qemu loads the binary into address 0x0000. +Actual behavior: address space at 0x0000 contains only zeros.""" +reproduce = """Terminal 1: +``` +qemu-system-arm -M akita -bios c750.rom -s -S +``` + +Terminal 2: +``` +gdb-multiarch +target remote localhost:1234 +x/64i $pc +``` + +Result: +``` +=> 0x0: andeq r0, r0, r0 + 0x4: andeq r0, r0, r0 + 0x8: andeq r0, r0, r0 + 0xc: andeq r0, r0, r0 + 0x10: andeq r0, r0, r0 +``` + +Correct behavior (can demonstrate with virt machine): +Same as before, but start Terminal 1 with: +``` +qemu-system-arm -M akita -bios c750.rom -s -S +``` + +Result: +``` +=> 0x0: b 0x34 + 0x4: ldr pc, [pc, #156] ; 0xa8 + 0x8: ldr pc, [pc, #156] ; 0xac + 0xc: ldr pc, [pc, #156] ; 0xb0 + 0x10: ldr pc, [pc, #156] ; 0xb4 + 0x14: nop ; (mov r0, r0) + 0x18: ldr pc, [pc, #152] ; 0xb8 + 0x1c: ldr pc, [pc, #152] ; 0xbc + 0x20: mov r0, #128 ; 0x80 + 0x24: b 0x2c + 0x28: mov r0, #129 ; 0x81 + 0x2c: ldr r1, [pc, #140] ; 0xc0 + 0x30: str r0, [r1] + 0x34: mrs lr, CPSR + 0x38: bic lr, lr, #31 + 0x3c: orr lr, lr, #211 ; 0xd3 + 0x40: msr CPSR_fc, lr +```""" +additional = """File with very tiny boot ROM: [c750-tiny.rom](/uploads/045852c8b353174bf0b7a4193d0d1be0/c750-tiny.rom)""" |