Download J-Link GDB Server User Guide

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3.4.2.1 Download to flash
To enable download to flash, the device needs to be selected and flash download has
to be enabled; the license for download (FlashDL) is also required. For more information, please refer to Enabeling flash download and flash breakpoints on page 42
Sample GDB init sequence
#*************************************************
#
# Connect to J-Link and debug application in flash on Cortex-M3
#
# Download to flash is performed.
#
# Connect to the J-Link gdb server
target remote localhost:2331
monitor speed 1000
monitor flash device = STM32F103VB
monitor flash download = 1
load ST_MB525_FLASH.elf
# Initializing PC and stack pointer
monitor reg r13 = (0x00000000)
monitor reg pc = (0x00000004)
3.4.2.2 Flash breakpoints
Most Cortex-M3 devices offer 6 hardware breakpoints. Can be very conveniant for
debugging to have more than 6 breakpoints. Flash breakpoints are supported for
most popular Cortex-M3 devices.
To enable flash breakpoints, the device needs to be selected and flash breakpoints
have to be enabled; the license for download (FlashBP) is also required. For more
information, please refer to Enabeling flash download and flash breakpoints on
page 42.
#*************************************************
#
# Connect to J-Link and debug application in flash on Cortex-M3
#
# Download to flash is performed.
#
# Connect to the J-Link gdb server
target remote localhost:2331
monitor speed 1000
monitor flash device = STM32F103VB
monitor flash breakpoints = 1
monitor flash download = 1
load ST_MB525_FLASH.elf
# Initializing PC and stack pointer
monitor reg r13 = (0x00000000)
monitor reg pc = (0x00000004)
J-Link ARM GDB Server (UM08005)
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