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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_arm/host_missing/accel_TCG/1740
parente5634e2806195bee44407853c4bf8776f7abfa4f (diff)
downloadqemu-analysis-3e4c5a6261770bced301b5e74233e7866166ea5b.tar.gz
qemu-analysis-3e4c5a6261770bced301b5e74233e7866166ea5b.zip
clean up repository
Diffstat (limited to 'gitlab/issues_text/target_arm/host_missing/accel_TCG/1740')
-rw-r--r--gitlab/issues_text/target_arm/host_missing/accel_TCG/174073
1 files changed, 0 insertions, 73 deletions
diff --git a/gitlab/issues_text/target_arm/host_missing/accel_TCG/1740 b/gitlab/issues_text/target_arm/host_missing/accel_TCG/1740
deleted file mode 100644
index d4db06c7d..000000000
--- a/gitlab/issues_text/target_arm/host_missing/accel_TCG/1740
+++ /dev/null
@@ -1,73 +0,0 @@
-QEMU Abort in Cortex-M Exception raising
-Description of problem:
-When an exception should be raised in a ARM Cortex-M board QEMU aborts.
-
-```
-$ qemu-system-arm --version
-QEMU emulator version 8.0.2
-
-$ qemu-system-arm -M stm32vldiscovery -device loader,file=/tmp/raw-hardfault.hex -d in_asm,exec,int
-[...]
-Trace 0: 0x7f2aa8000680 [00800400/00000110/00000110/ff200000]
-----------------
-IN:
-0x00000140:  f64b 6eef  movw     lr, #0xbeef
-0x00000144:  f6cd 6ead  movt     lr, #0xdead
-0x00000148:  4770       bx       lr
-
-Linking TBs 0x7f2aa8000680 index 0 -> 0x7f2aa80007c0
-Trace 0: 0x7f2aa80007c0 [00800400/00000140/00000110/ff200000]
-qemu-system-arm: ../qemu-8.0.2/target/arm/cpu.h:2396: arm_is_secure_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 -device loader,file=raw-hardfault.hex -d in_asm,exec,int
-[...]
-Trace 0: 0x7fb488000680 [00800400/00000110/00000110/ff000000]
-----------------
-IN:
-0x00000140:  f64b 6eef  movw     lr, #0xbeef
-0x00000144:  f6cd 6ead  movt     lr, #0xdead
-0x00000148:  4770       bx       lr
-
-Linking TBs 0x7fb488000680 [00000110] index 0 -> 0x7fb488000780 [00000140]
-Trace 0: 0x7fb488000780 [00800400/00000140/00000110/ff000000]
-Taking exception 3 [Prefetch Abort] on CPU 0
-...at fault address 0xdeadbeee
-...with CFSR.IACCVIOL
-...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 an exception. (minimal example attached)
-Additional information:
-- Minimal Reproducer:
-[raw-hardfault.hex](/uploads/113889116675b608e05748280d1db354/raw-hardfault.hex)
-- Assert introduced in fcc7404eff24b4c8b322fb27ca5ae7f3113129c3.
-- Stacktrace:
-```
-#4  0x00007ffff6a483d6 in __assert_fail () from /usr/lib/libc.so.6
-#5  0x00007ffff73afe67 in arm_is_secure_below_el3 (env=0x55555712f9b0) at target/arm/cpu.h:2396
-#6  0x00007ffff73afedd in arm_is_el2_enabled (env=0x55555712f9b0) at target/arm/cpu.h:2448
-#7  0x00007ffff73afcd4 in arm_el_is_aa64 (env=0x55555712f9b0, el=0x1) at target/arm/cpu.h:2509
-#8  0x00007ffff73af68f in compute_fsr_fsc (env=0x55555712f9b0, fi=0x7fffffff7098, target_el=0x1, mmu_idx=0x1, ret_fsc=0x7fffffff6fe0)
-    at target/arm/tcg/tlb_helper.c:71
-#9  0x00007ffff73af483 in arm_deliver_fault (cpu=0x55555712d250, addr=0xdeadbeee, access_type=MMU_INST_FETCH, mmu_idx=0x1, fi=0x7fffffff7098)
-    at target/arm/tcg/tlb_helper.c:114
-#10 0x00007ffff73afa4c in arm_cpu_tlb_fill (cs=0x55555712d250, address=0xdeadbeee, size=0x1, access_type=MMU_INST_FETCH, mmu_idx=0x1, probe=0x0, retaddr=0x0)
-    at target/arm/tcg/tlb_helper.c:242
-#11 0x00007ffff74a3a1e in probe_access_internal (env=0x55555712f9b0, addr=0xdeadbeee, fault_size=0x1, access_type=MMU_INST_FETCH, mmu_idx=0x1, nonfault=0x0, phost=0x7fffffff71c8,
-    pfull=0x7fffffff71d0, retaddr=0x0) at accel/tcg/cputlb.c:1555
-#12 0x00007ffff74a4085 in get_page_addr_code_hostp (env=0x55555712f9b0, addr=0xdeadbeee, hostp=0x0) at accel/tcg/cputlb.c:1694
-#13 0x00007ffff7490c0f in get_page_addr_code (env=0x55555712f9b0, addr=0xdeadbeee) at include/exec/exec-all.h:748
-#14 0x00007ffff7490b2a in tb_htable_lookup (cpu=0x55555712d250, pc=0xdeadbeee, cs_base=0x800408, flags=0x110, cflags=0xff200200) at accel/tcg/cpu-exec.c:233
-#15 0x00007ffff748f719 in tb_lookup (cpu=0x55555712d250, pc=0xdeadbeee, cs_base=0x800408, flags=0x110, cflags=0xff200200) at accel/tcg/cpu-exec.c:270
-#16 0x00007ffff748f463 in helper_lookup_tb_ptr (env=0x55555712f9b0) at accel/tcg/cpu-exec.c:425
-#17 0x00007fff6800091c in code_gen_buffer ()
-```