diff options
Diffstat (limited to 'bsps/arm/beagle/README.JTAG')
| -rw-r--r-- | bsps/arm/beagle/README.JTAG | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/bsps/arm/beagle/README.JTAG b/bsps/arm/beagle/README.JTAG new file mode 100644 index 0000000000..8d30590b54 --- /dev/null +++ b/bsps/arm/beagle/README.JTAG @@ -0,0 +1,20 @@ +To run RTEMS from scratch (without any other bootcode) on the beagles, +you can comfortably load the executables over JTAG using gdb. This is +necessarily target-specific however. + +1. BBXM + + - For access to JTAG using openocd, see simscripts/bbxm.cfg. + - openocd then offers access to gdb using simscripts/gdbinit.bbxm. + - start openocd using bbxm.cfg + - copy your .exe to a new dir and that gdbinit file as .gdbinit in the same dir + - go there and start gdb: + $ arm-rtems4.11-gdb hello.exe + - gdb will invoke the BBXM hardware initialization in the bbxm.cfg + and load the ELF over JTAG. type 'c' (for continue) to run it. + - breakpoints, C statement and single-instruction stepping work. + +2. beaglebone white + +This has been tested with openocd and works but not in as much detail as for +the BBXM yet (i.e. loading an executable from scratch). |