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@@ -1,129 +0,0 @@
-id = 1590
-title = "Regression: ARMv8M secure mode debugging non-functional since ~v7.2.0"
-state = "closed"
-created_at = "2023-04-11T17:55:19.273Z"
-closed_at = "2023-04-12T11:53:57.338Z"
-labels = []
-url = "https://gitlab.com/qemu-project/qemu/-/issues/1590"
-host-os = "MacOS 12.6.4, Ubuntu 22.04"
-host-arch = "ARMv8M (Cortex-M23, M33)"
-qemu-version = "v7.2.0+, All revisions after commit 4a35855682cebb89f9630b07aa9fd37c4e8c733b"
-guest-os = "Bare-metal / FreeRTOS"
-guest-arch = "ARMv8M/Cortex-M33 in secure mode"
-description = """Prior to qemu commit 4a35855682cebb89f9630b07aa9fd37c4e8c733b, both semihosting printf calls and debugging via gdb work as expected. 
-
-Builds of qemu containing commit 4a35855682cebb89f9630b07aa9fd37c4e8c733b do not produce any semihosting output and are not debuggable via gdb."""
-reproduce = """1. Run ``qemu-system-arm -machine mps2-an505 -nographic -semihosting -kernel build/mps2_an505_cm33_blink_demo.elf`` with qemu v7.1.0, note the "blinking" print to the console once a second.
-2. Run ``qemu-system-arm -machine mps2-an505 -nographic -semihosting -kernel build/mps2_an505_cm33_blink_demo.elf`` with qemu v7.2.0, note that no messages are printed to the console.
-3. Run ``qemu-system-arm -machine mps2-an505 -nographic -semihosting -kernel build/mps2_an505_cm33_blink_demo.elf -S -s`` and attach gdb with the following gdbinit file."""
-additional = """Log of successful gdb session with the attached patch on top of qemu master branch:
-```
-% arm-none-eabi-gdb build/mps2_an505_cm33_blink_demo.elf
-GNU gdb (Arm GNU Toolchain 12.2.MPACBTI-Rel1 (Build arm-12-mpacbti.34)) 13.1.90.20230307-git
-Copyright (C) 2023 Free Software Foundation, Inc.
-License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
-This is free software: you are free to change and redistribute it.
-There is NO WARRANTY, to the extent permitted by law.
-Type "show copying" and "show warranty" for details.
-This GDB was configured as "--host=x86_64-apple-darwin19.6.0 --target=arm-none-eabi".
-Type "show configuration" for configuration details.
-For bug reporting instructions, please see:
-<https://bugs.linaro.org/>.
-Find the GDB manual and other documentation resources online at:
-    <http://www.gnu.org/software/gdb/documentation/>.
-
-For help, type "help".
-Type "apropos word" to search for commands related to "word"...
-Reading symbols from build/mps2_an505_cm33_blink_demo.elf...
-The target architecture is set to "armv8-m.main".
-Reset_Handler () at /FreeRTOS/FreeRTOS/Demo/ARM_MPS/startup.c:172
-172     {
-Section .privileged_functions, range 0x10000000 -- 0x10008000: matched.
-Section .text, range 0x10008000 -- 0x10019c18: matched.
-Section .rodata, range 0x10019c18 -- 0x1001b270: matched.
-Section .ARM.exidx, range 0x1001b270 -- 0x1001b278: matched.
-Section .copy.table, range 0x1001b278 -- 0x1001b284: matched.
-Section .data, range 0x1001b28c -- 0x1001bb90: matched.
-Section .ram_vectors, range 0x1001bb90 -- 0x1001bdd0: matched.
-Section .zero.table, range 0x1001b284 -- 0x1001b28c: matched.
-Breakpoint 1 at 0x10009900: file /FreeRTOS/Demo/ARM_MPS/fault_handlers.c, line 494.
-(gdb) s
-174         asm volatile
-(gdb) s
-189         init_data_sections();
-(gdb) s
-init_data_sections () at /FreeRTOS/FreeRTOS/Demo/ARM_MPS/startup.c:99
-99          for( pCopyTable = &__copy_table_start__; pCopyTable <= &__copy_table_end__; pCopyTable++ )
-(gdb) s
-101             for( dataIndex = 0; dataIndex < pCopyTable->uxLen; dataIndex++ )
-(gdb) info locals
-pCopyTable = 0x1001b278
-dataIndex = 0
-(gdb) print /x *0xE000ED08
-$1 = 0x10000000
-```
-
-Log of an unsuccessful gdb session with qemu v7.2.0
-```
-pbartell@147dda7342a9 ARM_MPS % arm-none-eabi-gdb build/mps2_an505_cm33_blink_demo.elf
-GNU gdb (Arm GNU Toolchain 12.2.MPACBTI-Rel1 (Build arm-12-mpacbti.34)) 13.1.90.20230307-git
-Copyright (C) 2023 Free Software Foundation, Inc.
-License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
-This is free software: you are free to change and redistribute it.
-There is NO WARRANTY, to the extent permitted by law.
-Type "show copying" and "show warranty" for details.
-This GDB was configured as "--host=x86_64-apple-darwin19.6.0 --target=arm-none-eabi".
-Type "show configuration" for configuration details.
-For bug reporting instructions, please see:
-<https://bugs.linaro.org/>.
-Find the GDB manual and other documentation resources online at:
-    <http://www.gnu.org/software/gdb/documentation/>.
-
-For help, type "help".
-Type "apropos word" to search for commands related to "word"...
-Reading symbols from build/mps2_an505_cm33_blink_demo.elf...
-The target architecture is set to "armv8-m.main".
-Reset_Handler () at /FreeRTOS/FreeRTOS/Demo/ARM_MPS/startup.c:172
-172     {
-Section .privileged_functions, range 0x10000000 -- 0x10008000: MIS-MATCHED!
-Section .text, range 0x10008000 -- 0x10019c18: MIS-MATCHED!
-Section .rodata, range 0x10019c18 -- 0x1001b270: MIS-MATCHED!
-Section .ARM.exidx, range 0x1001b270 -- 0x1001b278: MIS-MATCHED!
-Section .copy.table, range 0x1001b278 -- 0x1001b284: MIS-MATCHED!
-Section .data, range 0x1001b28c -- 0x1001bb90: MIS-MATCHED!
-Section .ram_vectors, range 0x1001bb90 -- 0x1001bdd0: MIS-MATCHED!
-Section .zero.table, range 0x1001b284 -- 0x1001b28c: MIS-MATCHED!
-warning: One or more sections of the target image does not match
-the loaded file
-
-Breakpoint 1 at 0x10009900: file /FreeRTOS/FreeRTOS/Demo/ARM_MPS/fault_handlers.c, line 494.
-(gdb) s
-Reset_Handler () at /FreeRTOS/FreeRTOS/Demo/ARM_MPS/startup.c:174
-174         asm volatile
-(gdb) s
-Reset_Handler () at /FreeRTOS/FreeRTOS/Demo/ARM_MPS/startup.c:189
-189         init_data_sections();
-(gdb) s
-init_data_sections () at /FreeRTOS/FreeRTOS/Demo/ARM_MPS/startup.c:95
-95      {
-(gdb) s
-init_data_sections () at /FreeRTOS/FreeRTOS/Demo/ARM_MPS/startup.c:99
-99          for( pCopyTable = &__copy_table_start__; pCopyTable <= &__copy_table_end__; pCopyTable++ )
-(gdb) info locals
-pCopyTable = <error reading variable pCopyTable (Cannot access memory at address 0x381fffdc)>
-dataIndex = <error reading variable dataIndex (Cannot access memory at address 0x381fffd8)>
-(gdb) print /x *0xE000ED08
-$1 = 0x0
-(gdb) quit
-```
-
-.gdbinit file:
-```
-set architecture armv8-m.main
-target extended-remote :1234
-compare-sections
-break HardFault_Handler
-```
-
-[mps2_an505_cm33_blink_demo.elf](/uploads/c86e086b00651a8d5392857b9e4a2c4d/mps2_an505_cm33_blink_demo.elf)
-[target-arm-Fix-debugging-of-ARMv8M-Secure-code.patch](/uploads/5735d5f7d7b15dbbeb0c2d214a46c1a8/target-arm-Fix-debugging-of-ARMv8M-Secure-code.patch)"""