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authorChristian Krinitsin <mail@krinitsin.com>2025-06-01 21:35:14 +0200
committerChristian Krinitsin <mail@krinitsin.com>2025-06-01 21:35:14 +0200
commit3e4c5a6261770bced301b5e74233e7866166ea5b (patch)
tree9379fddaba693ef8a045da06efee8529baa5f6f4 /gitlab/issues_text/target_missing/host_missing/accel_missing/1775
parente5634e2806195bee44407853c4bf8776f7abfa4f (diff)
downloadqemu-analysis-3e4c5a6261770bced301b5e74233e7866166ea5b.tar.gz
qemu-analysis-3e4c5a6261770bced301b5e74233e7866166ea5b.zip
clean up repository
Diffstat (limited to 'gitlab/issues_text/target_missing/host_missing/accel_missing/1775')
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diff --git a/gitlab/issues_text/target_missing/host_missing/accel_missing/1775 b/gitlab/issues_text/target_missing/host_missing/accel_missing/1775
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@@ -1,61 +0,0 @@
-QEMU abort on Cortex-M breakpoint exception
-Description of problem:
-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
-----------------
-```
-Steps to reproduce:
-1. Run any Cortex-M firmware that raises a breakpoint exception. (minimal example attached)
-Additional information:
-- 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 ()
-[...]
-```