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Hello.
Chip STM32F030C8T6, code:volatile unsigned char __attribute__((section(".eeprom_data"))) EEPROM_NumberOfTable = 4;In STM32F030C8_flash.lds add strings (last 1K):
MEMORY { FLASH (RX) : ORIGIN = 0x08000000, LENGTH = 64K EEPROM_DATA (X) : ORIGIN = 0x0800FC00, LENGTH = 1K SRAM (RWX) : ORIGIN = 0x20000000, LENGTH = 8K } ..... .eeprom_data : { *(.eeprom_data*); } > EEPROM_DATAGCC compiled, my byte placed at 0x0800FC00, it’s ok. ST-Link utility works and programm runs.
But VisualGDB is not debugging and programm doesnt start wthout debugging 🙁
GDB Log:
C:\SysGCC\arm-eabi\bin\arm-eabi-gdb.exe --interpreter mi D:\table\table/Debug/table.elf -gdb-version =thread-group-added,id="i1" ~"GNU gdb (GDB) 7.12\n" ~"Copyright (C) 2016 Free Software Foundation, Inc.\n" ~"License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>\nThis is free software: you are free to change and redistribute it.\nThere is NO WARRANTY, to the extent permitted by law. Type \"show copying\"\nand \"show warranty\" for details.\n" ~"This GDB was configured as \"--host=i686-pc-mingw32 --target=arm-eabi\".\nType \"show configuration\" for configuration details." ~"\nFor bug reporting instructions, please see:\n" ~"<http://www.gnu.org/software/gdb/bugs/>.\n" ~"Find the GDB manual and other documentation resources online at:\n<http://www.gnu.org/software/gdb/documentation/>.\n" ~"For help, type \"help\".\n" ~"Type \"apropos word\" to search for commands related to \"word\"...\n" ~"Reading symbols from D:\\table\\table/Debug/table.elf..." ~"done.\n" ~"GNU gdb (GDB) 7.12\n" ~"Copyright (C) 2016 Free Software Foundation, Inc.\n" ~"License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>\nThis is free software: you are free to change and redistribute it.\nThere is NO WARRANTY, to the extent permitted by law. Type \"show copying\"\nand \"show warranty\" for details.\n" ~"This GDB was configured as \"--host=i686-pc-mingw32 --target=arm-eabi\".\nType \"show configuration\" for configuration details." ~"\nFor bug reporting instructions, please see:\n" ~"<http://www.gnu.org/software/gdb/bugs/>.\n" ~"Find the GDB manual and other documentation resources online at:\n<http://www.gnu.org/software/gdb/documentation/>.\n" ~"For help, type \"help\".\n" ~"Type \"apropos word\" to search for commands related to \"word\".\n" ^done -list-features ^done,features=["frozen-varobjs","pending-breakpoints","thread-info","data-read-memory-bytes","breakpoint-notifications","ada-task-info","language-option","info-gdb-mi-command","undefined-command-error-code","exec-run-start-option"] -gdb-set disassembly-flavor intel ^error,msg="No symbol \"disassembly\" in current context." -gdb-set print demangle off ^done -break-insert -f main ^done,bkpt={number="1",type="breakpoint",disp="keep",enabled="y",addr="0x08000790",func="main",file="Src/main.c",fullname="D:\\table\\table\\Src\\main.c",line="56",thread-groups=["i1"],times="0",original-location="main"} set remotetimeout 60 &"set remotetimeout 60\n" =cmd-param-changed,param="remotetimeout",value="60" ^done target remote :59431 &"target remote :59431\n" ~"Remote debugging using :59431\n" =thread-group-started,id="i1",pid="42000" =thread-created,id="1",group-id="i1" ~"0xfffffffe in ?? ()\n" *stopped,frame={addr="0xfffffffe",func="??",args=[]},thread-id="1",stopped-threads="all" ^done mon halt &"mon halt\n" ^done info shared &"info shared\n" ~"No shared libraries loaded at this time.\n" ^done mon reset init &"mon reset init\n" @"adapter speed: 1000 kHz\n" @"target halted due to debug-request, current mode: Thread \n" @"xPSR: 0xc1000000 pc: 0xfffffffe msp: 0xfffffffc\n" @"adapter speed: 8000 kHz\n" ^done load &"load\n" &"Error erasing flash with vFlashErase packet\n" ^error,msg="Error erasing flash with vFlashErase packet" compare-sections &"compare-sections\n" ~"Section .isr_vector, range 0x8000000 -- 0x80000c0: MIS-MATCHED!\n" ~"Section .text, range 0x80000c0 -- 0x8001d78: MIS-MATCHED!\n" ~"Section .init_array, range 0x8001d78 -- 0x8001d7c: MIS-MATCHED!\n" ~"Section .fini_array, range 0x8001d7c -- 0x8001d80: MIS-MATCHED!\n" ~"Section .data, range 0x8001d80 -- 0x8001d84: MIS-MATCHED!\n" ~"Section .eeprom_data, range 0x8006c00 -- 0x8006c01: matched.\n" &"warning: One or more sections of the target image does not match\nthe loaded file\n" &"\n" ^doneGDB Server log:
C:\Users\admin\AppData\Local\VisualGDB\EmbeddedDebugPackages\com.sysprogs.arm.openocd\bin\openocd.exe -f interface/stlink-v2.cfg -f target/stm32f0x.cfg -c "gdb_port 59431" -c "telnet_port 59430" -c init -c "reset init" -c "echo VisualGDB_OpenOCD_Ready" Open On-Chip Debugger 0.10.0 (2017-06-09) [https://github.com/sysprogs/openocd] Licensed under GNU GPL v2 For bug reports, read http://openocd.org/doc/doxygen/bugs.html Info : auto-selecting first available session transport "hla_swd". To override use 'transport select <transport>'. Info : The selected transport took over low-level target control. The results might differ compared to plain JTAG/SWD adapter speed: 1000 kHz adapter_nsrst_delay: 100 none separate Info : Unable to match requested speed 1000 kHz, using 950 kHz Info : Unable to match requested speed 1000 kHz, using 950 kHz Info : clock speed 950 kHz Info : STLINK v2 JTAG v16 API v2 SWIM v4 VID 0x0483 PID 0x3748 Info : using stlink api v2 Info : Target voltage: 3.226877 Info : stm32f0x.cpu: hardware has 4 breakpoints, 2 watchpoints adapter speed: 1000 kHz target halted due to debug-request, current mode: Thread xPSR: 0xc1000000 pc: 0xfffffffe msp: 0xfffffffc adapter speed: 8000 kHz VisualGDB_OpenOCD_Ready Info : accepting 'gdb' connection on tcp/59431 Info : device id = 0x20006440 Info : flash size = 64kbytes Error: address + size wrapped (0xfffffffe, 0x00000004) adapter speed: 1000 kHz target halted due to debug-request, current mode: Thread xPSR: 0xc1000000 pc: 0xfffffffe msp: 0xfffffffc adapter speed: 8000 kHz adapter speed: 1000 kHz target halted due to debug-request, current mode: Thread xPSR: 0xc1000000 pc: 0xfffffffe msp: 0xfffffffc adapter speed: 8000 kHz adapter speed: 1000 kHz target halted due to debug-request, current mode: Thread xPSR: 0xc1000000 pc: 0xfffffffe msp: 0xfffffffc adapter speed: 8000 kHz Error: Whole bank access must start at beginning of bank. Error: flash_erase returned -904 target halted due to breakpoint, current mode: Thread xPSR: 0x61000000 pc: 0x2000002e msp: 0xfffffffc
Update.
I googled :
but I dont understend how write the linker script. My script:
/* Generated by LinkerScriptGenerator [http://visualgdb.com/tools/LinkerScriptGenerator] * Target: STM32F030C8 * The file is provided under the BSD license. */ ENTRY(Reset_Handler) MEMORY { FLASH (RX) : ORIGIN = 0x08000000, LENGTH = 63K EEPROM_DATA (X) : ORIGIN = 0x0800FC00, LENGTH = 1K SRAM (RWX) : ORIGIN = 0x20000000, LENGTH = 8K } _estack = 0x20002000; SECTIONS { .isr_vector : { . = ALIGN(4); KEEP(*(.isr_vector)) . = ALIGN(4); } > FLASH .text : { . = ALIGN(4); _stext = .; *(.text) *(.text*) *(.rodata) *(.rodata*) *(.glue_7) *(.glue_7t) KEEP(*(.init)) KEEP(*(.fini)) . = ALIGN(4); _etext = .; } > FLASH .ARM.extab : { . = ALIGN(4); *(.ARM.extab) *(.gnu.linkonce.armextab.*) . = ALIGN(4); } > FLASH .exidx : { . = ALIGN(4); PROVIDE(__exidx_start = .); *(.ARM.exidx*) . = ALIGN(4); PROVIDE(__exidx_end = .); } > FLASH .ARM.attributes : { *(.ARM.attributes) } > FLASH .preinit_array : { PROVIDE(__preinit_array_start = .); KEEP(*(.preinit_array*)) PROVIDE(__preinit_array_end = .); } > FLASH .init_array : { PROVIDE(__init_array_start = .); KEEP(*(SORT(.init_array.*))) KEEP(*(.init_array*)) PROVIDE(__init_array_end = .); } > FLASH .fini_array : { PROVIDE(__fini_array_start = .); KEEP(*(.fini_array*)) KEEP(*(SORT(.fini_array.*))) PROVIDE(__fini_array_end = .); } > FLASH . = ALIGN(4); _sidata = .; .data : AT(_sidata) { . = ALIGN(4); _sdata = .; PROVIDE(__data_start__ = _sdata); *(.data) *(.data*) . = ALIGN(4); _edata = .; PROVIDE(__data_end__ = _edata); } > SRAM .eeprom_data : { *(.eeprom_data*); } > EEPROM_DATA .bss : { . = ALIGN(4); _sbss = .; PROVIDE(__bss_start__ = _sbss); *(.bss) *(.bss*) *(COMMON) . = ALIGN(4); _ebss = .; PROVIDE(__bss_end__ = _ebss); } > SRAM PROVIDE(end = .); .heap (NOLOAD) : { . = ALIGN(4); PROVIDE(__heap_start__ = .); KEEP(*(.heap)) . = ALIGN(4); PROVIDE(__heap_end__ = .); } > SRAM .reserved_for_stack (NOLOAD) : { . = ALIGN(4); PROVIDE(__reserved_for_stack_start__ = .); KEEP(*(.reserved_for_stack)) . = ALIGN(4); PROVIDE(__reserved_for_stack_end__ = .); } > SRAM }Hi,
This happens because OpenOCD does not know how to program the EEPROM memory. You can try tagging the new section with the NOLOAD attribute to prevent it from being loaded, or try developing a custom FLASH programming plugin to load EEPROM automatically.
Thank you.
I have another solution. This is a work sample.
My variables:
__attribute__((section(“.strdata”))) volatile unsigned char EEPROM_txt1[16] = “some text”;
__attribute__((section(“.strdata”))) volatile unsigned char EEPROM_txt2[16] = “asdasdsad”;__attribute__((section(“.eeprom”))) volatile unsigned char EEPROM_NumberOfTable = 3;
are placed at 0x0800E000 and 0x0800FC00
/* Generated by LinkerScriptGenerator [http://visualgdb.com/tools/LinkerScriptGenerator] * Target: STM32F030C8 * The file is provided under the BSD license. */ ENTRY(Reset_Handler) MEMORY { FLASH (RX) : ORIGIN = 0x08000000, LENGTH = 64K SRAM (RWX) : ORIGIN = 0x20000000, LENGTH = 8K } _estack = 0x20002000; SECTIONS { .isr_vector : { . = ALIGN(4); KEEP(*(.isr_vector)) . = ALIGN(4); } > FLASH .text : { . = ALIGN(4); _stext = .; *(.text) *(.text*) *(.rodata) *(.rodata*) *(.glue_7) *(.glue_7t) KEEP(*(.init)) KEEP(*(.fini)) . = ALIGN(4); _etext = .; } > FLASH .ARM.extab : { . = ALIGN(4); *(.ARM.extab) *(.gnu.linkonce.armextab.*) . = ALIGN(4); } > FLASH .exidx : { . = ALIGN(4); PROVIDE(__exidx_start = .); *(.ARM.exidx*) . = ALIGN(4); PROVIDE(__exidx_end = .); } > FLASH .ARM.attributes : { *(.ARM.attributes) } > FLASH .preinit_array : { PROVIDE(__preinit_array_start = .); KEEP(*(.preinit_array*)) PROVIDE(__preinit_array_end = .); } > FLASH .init_array : { PROVIDE(__init_array_start = .); KEEP(*(SORT(.init_array.*))) KEEP(*(.init_array*)) PROVIDE(__init_array_end = .); } > FLASH .fini_array : { PROVIDE(__fini_array_start = .); KEEP(*(.fini_array*)) KEEP(*(SORT(.fini_array.*))) PROVIDE(__fini_array_end = .); } > FLASH _offset = .; .strdata : { . = . + 0x0800E000 - _offset; *(.strdata*) } > FLASH _offset = .; .eeprom : { . = . + 0x0800FC00 - _offset; *(.eeprom*) } > FLASH . = ALIGN(4); _sidata = .; .data : AT(_sidata) { . = ALIGN(4); _sdata = .; PROVIDE(__data_start__ = _sdata); *(.data) *(.data*) . = ALIGN(4); _edata = .; PROVIDE(__data_end__ = _edata); } > SRAM .bss : { . = ALIGN(4); _sbss = .; PROVIDE(__bss_start__ = _sbss); *(.bss) *(.bss*) *(COMMON) . = ALIGN(4); _ebss = .; PROVIDE(__bss_end__ = _ebss); } > SRAM PROVIDE(end = .); .heap (NOLOAD) : { . = ALIGN(4); PROVIDE(__heap_start__ = .); KEEP(*(.heap)) . = ALIGN(4); PROVIDE(__heap_end__ = .); } > SRAM .reserved_for_stack (NOLOAD) : { . = ALIGN(4); PROVIDE(__reserved_for_stack_start__ = .); KEEP(*(.reserved_for_stack)) . = ALIGN(4); PROVIDE(__reserved_for_stack_end__ = .); } > SRAM }
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