Hi,

I got this error trying to use the board Nucleo F401RE.

Where is the definition for the flash start address used by openocd ?

tanure@archTanure hello_world $ make BOARD=nucleo_f401re flash
make[1]: Entering directory '/home/tanure/workspace/zephyr'
make[2]: Entering directory
'/home/tanure/workspace/zephyr/samples/hello_world/outdir/nucleo_f401re'
Using /home/tanure/workspace/zephyr as source for kernel
GEN ./Makefile
CHK include/generated/version.h
CHK include/generated/generated_dts_board.h
CHK misc/generated/configs.c
CHK include/generated/offsets.h
make[3]: 'isr_tables.o' is up to date.
Flashing nucleo_f401re
Flashing Target Device
Open On-Chip Debugger 0.9.0-dirty (2017-05-16-18:46)
Licensed under GNU GPL v2
For bug reports, read
http://openocd.org/doc/doxygen/bugs.html
Info : The selected transport took over low-level target control. The
results might differ compared to plain JTAG/SWD
adapter speed: 2000 kHz
adapter_nsrst_delay: 100
none separate
srst_only separate srst_nogate srst_open_drain connect_deassert_srst
Info : Unable to match requested speed 2000 kHz, using 1800 kHz
Info : Unable to match requested speed 2000 kHz, using 1800 kHz
Info : clock speed 1800 kHz
Info : STLINK v2 JTAG v27 API v2 SWIM v15 VID 0x0483 PID 0x374B
Info : using stlink api v2
Info : Target voltage: 3.257255
Info : stm32f4x.cpu: hardware has 6 breakpoints, 4 watchpoints
TargetName Type Endian TapName State
-- ------------------ ---------- ------ ------------------ ------------
0* stm32f4x.cpu hla_target little stm32f4x.cpu halted
target state: halted
target halted due to debug-request, current mode: Thread
xPSR: 0x01000000 pc: 0x08000358 msp: 0x20018000
auto erase enabled
Info : device id = 0x10016433
Info : flash size = 512kbytes
Warn : no flash bank found for address 0
wrote 0 bytes from file
/home/tanure/workspace/zephyr/samples/hello_world/outdir/nucleo_f401re/zephyr.bin
in 0.000737s (0.000 KiB/s)
target state: halted
target halted due to debug-request, current mode: Thread
xPSR: 0x01000000 pc: 0x08000358 msp: 0x20018000
diff 0 address 0x00000000. Was 0x00 instead of 0x68
diff 1 address 0x00000001. Was 0x80 instead of 0x08
diff 2 address 0x00000002. Was 0x01 instead of 0x00
diff 3 address 0x00000004. Was 0x59 instead of 0x1d
diff 4 address 0x00000005. Was 0x03 instead of 0x21
diff 5 address 0x00000008. Was 0xa1 instead of 0x6d
diff 6 address 0x00000009. Was 0x03 instead of 0x21
diff 7 address 0x0000000c. Was 0xa1 instead of 0xc5
More than 8 errors, the rest are not printed.

make[2]: *** [/home/tanure/workspace/zephyr/Makefile:1299: flash] Error 1
make[2]: Leaving directory
'/home/tanure/workspace/zephyr/samples/hello_world/outdir/nucleo_f401re'
make[1]: *** [Makefile:176: sub-make] Error 2
make[1]: Leaving directory '/home/tanure/workspace/zephyr'
make: *** [/home/tanure/workspace/zephyr/Makefile.inc:88: flash] Error 2

Thanks

--
Lucas Tanure
Embedded Developer