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authorChristian Krinitsin <mail@krinitsin.com>2025-05-30 16:52:07 +0200
committerChristian Krinitsin <mail@krinitsin.com>2025-05-30 16:52:17 +0200
commit9260319e7411ff8281700a532caa436f40120ec4 (patch)
tree2f6bfe5f3458dd49d328d3a9eb508595450adec0 /gitlab/issues/target_missing/host_missing/accel_missing/1775.toml
parent225caa38269323af1bfc2daadff5ec8bd930747f (diff)
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@@ -1,69 +0,0 @@
-id = 1775
-title = "QEMU abort on Cortex-M breakpoint exception"
-state = "closed"
-created_at = "2023-07-21T10:46:20.631Z"
-closed_at = "2023-07-25T14:49:21.089Z"
-labels = []
-url = "https://gitlab.com/qemu-project/qemu/-/issues/1775"
-host-os = "Arch Linux"
-host-arch = "x86_64"
-qemu-version = "8.0.90 (v8.1.0-rc0-21-gd1181d2937), (commit d1181d29370a4318a9f11ea92065bea6bb159f83)"
-guest-os = "-"
-guest-arch = "ARM"
-description = """When a breakpoint exception is raised in a ARM Cortex-M board QEMU aborts.
-
-```
-$ qemu-system-arm --version
-QEMU emulator version 8.0.90 (v8.1.0-rc0-21-gd1181d2937)
-
-$ ./qemu-system-arm -M stm32vldiscovery -nographic -device loader,file=raw-bkpt.hex -d in_asm,exec,int 
-[...]
-Trace 0: 0x7fac6c000100 [00800400/0000000000000100/00000110/ff200000]
-----------------
-IN:
-0x00000110:  be01       bkpt     #1
-
-Linking TBs 0x7fac6c000100 index 0 -> 0x7fac6c0002c0
-Trace 0: 0x7fac6c0002c0 [00800400/0000000000000110/00000110/ff200000]
-qemu-system-arm: ../target/arm/helper.c:12224: arm_security_space_below_el3: Assertion `!arm_feature(env, ARM_FEATURE_M)' failed.
-```
-
-Expected behavior:
-```
-$ qemu-system-arm --version
-QEMU emulator version 7.1.0
-
-$ ./qemu-system-arm -M stm32vldiscovery -nographic -device loader,file=raw-bkpt.hex -d in_asm,exec,int 
-[...]
-Trace 0: 0x7f5408000100 [00800400/00000100/00000110/ff000000]
-----------------
-IN:
-0x00000110:  be01       bkpt     #1
-
-Linking TBs 0x7f5408000100 [00000100] index 0 -> 0x7f54080002c0 [00000110]
-Trace 0: 0x7f54080002c0 [00800400/00000110/00000110/ff000000]
-Taking exception 7 [Breakpoint] on CPU 0
-...BusFault with BFSR.STKERR
-...taking pending nonsecure exception 3
-...loading from element 3 of non-secure vector table at 0xc
-...loaded new PC 0x0
-----------------
-```"""
-reproduce = """1. Run any Cortex-M firmware that raises a breakpoint exception. (minimal example attached)"""
-additional = """- Minimal Reproducer:
-[raw-bkpt.hex](/uploads/b9289c6f3a4feef015c8a3dffb4fc467/raw-bkpt.hex)
-- This is **not** a duplicate of #1658 / #1740
-- Stacktrace:
-```
-#2  0x00007ffff5a68538 in abort () at /usr/lib/libc.so.6
-#3  0x00007ffff5a6845c in  () at /usr/lib/libc.so.6
-#4  0x00007ffff5a783d6 in  () at /usr/lib/libc.so.6
-#5  0x0000555555c55921 in arm_security_space_below_el3 (env=0x555556dc1b40) at ../target/arm/helper.c:12224
-#6  arm_security_space_below_el3 (env=env@entry=0x555556dc1b40) at ../target/arm/helper.c:12222
-#7  0x0000555555c48b08 in arm_is_secure_below_el3 (env=0x555556dc1b40) at ../target/arm/cpu.h:2465
-#8  arm_is_el2_enabled (env=0x555556dc1b40) at ../target/arm/cpu.h:2517
-#9  arm_debug_target_el (env=env@entry=0x555556dc1b40) at ../target/arm/debug_helper.c:24
-#10 0x0000555555c49cb5 in helper_exception_bkpt_insn (env=0x555556dc1b40, syndrome=0xe2000001) at ../target/arm/debug_helper.c:510
-#11 0x00007fffac0002d9 in code_gen_buffer ()
-[...]
-```"""