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SW4STM32 and SW4Linux fully supports the STM32MP1 asymmetric multicore Cortex/A7+M4 MPUs

   With System Workbench for Linux, Embedded Linux on the STM32MP1 family of MPUs from ST was never as simple to build and maintain, even for newcomers in the Linux world.
And, if you install System Workbench for Linux in System Workbench for STM32 you can seamlessly develop and debug asymmetric applications running partly on Linux, partly on the Cortex-M4.
You can get more information from the ac6-tools website and download two short videos (registration required) highlighting:

System Workbench for STM32


ST-link printf to console with GDB and semihosting or ITM and ST Link Utility

Hi,

I am added the flag in my makefile as
LDFLAGS = -g -Wl,gc-sections,-Map=$*.map,-cref -fno-short-enums -Wl,no-enum-size-warning -T $(LDSCRIPT) $(CPU) -specs=nosys.specs -specs=nano.specs -specs=rdimon.specs -lc -lrdimon

But after this when i am doing the compilation we are facing multiple definition error (but these funtions are not defined anywhere i double checked this) as

arm-none-eabi-gcc -g -Wl,gc-sections,-Map=output/bl-v2/release/main.map,-cref -fno-short-enums -Wl,no-enum-size-warning -T ./STM32L496ZGTx_FLASH.ld -mthumb -mcpu=cortex-m4 -mfloat-abi=hard -mfpu=fpv4-sp-d16 -specs=nosys.specs -specs=nano.specs -specs=rdimon.specs -lc -lrdimon -o output/bl-v2/release/main.out output/bl-v2/release/startup_stm32l496xx.o output/bl-v2/release/system_stm32l4xx.o output/bl-v2/release/ackbar_main.o output/bl-v2/release/assert.o output/bl-v2/release/board_id.o output/bl-v2/release/console.o output/bl-v2/release/gps.o output/bl-v2/release/ble.o output/bl-v2/release/backlight.o output/bl-v2/release/lte.o output/bl-v2/release/button.o output/bl-v2/release/hallsensor.o output/bl-v2/release/vibsensor.o output/bl-v2/release/accelgyro.o output/bl-v2/release/power.o output/bl-v2/release/lpm.o output/bl-v2/release/is66wve.o output/bl-v2/release/it8951.o output/bl-v2/release/printf.o output/bl-v2/release/extflash.o output/bl-v2/release/sys.o output/bl-v2/release/syscalls.o output/bl-v2/release/tasklet.o output/bl-v2/release/temp.o output/bl-v2/release/mfgdata.o output/bl-v2/release/ymodem.o output/bl-v2/release/bitmap.o output/bl-v2/release/stsafe.o output/bl-v2/release/flash_if.o output/bl-v2/release/adc.o output/bl-v2/release/clock.o output/bl-v2/release/common.o output/bl-v2/release/fifo.o output/bl-v2/release/gpio.o output/bl-v2/release/i2c.o output/bl-v2/release/rtc.o output/bl-v2/release/spi.o output/bl-v2/release/sram.o output/bl-v2/release/stm32l4xx_it.o output/bl-v2/release/timer.o output/bl-v2/release/uart.o output/bl-v2/release/watchdog.o output/bl-v2/release/key_det.o output/bl-v2/release/extflash_mgr.o output/bl-v2/release/security_mgr.o output/bl-v2/release/disp_mgr.o output/bl-v2/release/logging_mgr.o output/bl-v2/release/vehicle_mgr.o output/bl-v2/release/settings_mgr.o output/bl-v2/release/messaging_mgr.o output/bl-v2/release/gps_mgr.o output/bl-v2/release/rtc_mgr.o output/bl-v2/release/sys_events.o output/bl-v2/release/timer_mgr.o output/bl-v2/release/app_main.o output/bl-v2/release/messaging.o output/bl-v2/release/phonehome.o output/bl-v2/release/vehicle_motion.o output/bl-v2/release/plate_attachment.o output/bl-v2/release/fault.o output/bl-v2/release/demo.o output/bl-v2/release/ssl_client.o output/bl-v2/release/http_client.o output/bl-v2/release/campaignZone.pb-c.o output/bl-v2/release/config.pb-c.o output/bl-v2/release/eventEnvelope.pb-c.o output/bl-v2/release/log.o output/bl-v2/release/message.pb-c.o output/bl-v2/release/protobuf-c.o output/bl-v2/release/readWriteEvent.o ./Drivers//STM32L4xx_HAL_Driver/libstm32l4hal.a ./Middlewares//ST/STSAFE_A/libstsafe.a ./Middlewares//Third_Party/FreeRTOS/libfreertos.a ./Middlewares//Third_Party/mbedTLS/mbedtls-2.6.0/library/libmbedtls.a ./Middlewares//Third_Party/mbedTLS/mbedtls-2.6.0/library/libmbedx509.a ./Middlewares//Third_Party/mbedTLS/mbedtls-2.6.0/library/libmbedcrypto.a ./Middlewares//Third_Party/xz/xz.a -lm
output/bl-v2/release/syscalls.o: In function `initialise_monitor_handles’:
D:\work\/src/drivers/syscalls.c:100: multiple definition of `initialise_monitor_handles’
c:/ac6/systemworkbench/plugins/fr.ac6.mcu.externaltools.arm-none.win32_1.17.0.201812190825/tools/compiler/bin/../lib/gcc/arm-none-eabi/7.3.1/../../../../arm-none-eabi/lib/thumb/v7e-m/fpv4-sp/hard\librdimon_nano.a(rdimon-syscalls.o):syscalls.c:(.text.initialise_monitor_handles+0x0): first defined here
output/bl-v2/release/syscalls.o: In function `_kill’:
D:\work/src/drivers/syscalls.c:108: multiple definition of `_kill’