On Mon, Jan 25, 2010 at 4:31 PM, Edgar Grimberg <edgar.grimb...@zylin.com> wrote: > On Sat, Jan 23, 2010 at 8:01 AM, David Brownell <davi...@pacbell.net> wrote: >> I fired up GDB against an ARM1136 with current git code and >> observed the "breakpoints work in Tcl, fail in GDB" problem. >> >> So I committed a fix that makes GDB work too, at least on >> an omap2420 core. >> >> It'd be worth verifying this works on other ARM1136 targets. > > Now I'm getting some other type of problem on my iMX.31. I try to load: > > (gdb) moni reset init > JTAG tap: imx31.etb tap/device found: 0x2b900f0f (mfg: 0x787, part: > 0xb900, ver: 0x2) > JTAG tap: imx31.cpu tap/device found: 0x07b3601d (mfg: 0x00e, part: > 0x7b36, ver: 0x0) > TAP imx31.whatchacallit does not have IDCODE > JTAG tap: imx31.smda tap/device found: 0x2190101d (mfg: 0x00e, part: > 0x1901, ver: 0x2) > found ARM1136 > imx31.cpu: ran after reset and before halt ... > target state: halted > target halted in ARM state due to debug-request, current mode: Supervisor > cpsr: 0x200001d3 pc: 0x0040560c > (gdb) moni debug_level 3 > debug_level: 3 > (gdb) load > Loading section .rom_vectors, size 0x40 lma 0x87f00000 > Load failed > (gdb)
This is not a bug, but the way OpenOCD and GDB behave if there is no RAM at that address. I was using the target/imx31.cfg instead of board/im31pdk.cfg. Regards, Edgar > And the log: > > > Debug: 1905 130830 gdb_server.c:2145 gdb_input_inner(): received > packet: 'X87f00000,0:<binary-data>' > Debug: 1906 130830 gdb_server.c:2145 gdb_input_inner(): received > packet: 'X87f00000,40:<binary-data>' > Debug: 1907 130830 gdb_server.c:1388 gdb_write_memory_binary_packet(): > addr: 0x87f00000, len: 0x00000040 > Debug: 1908 130830 target.c:1251 target_write_buffer(): writing buffer > of 64 byte at 0x87f00000 > Debug: 1909 130830 arm11.c:948 arm11_write_memory_inner(): ADDR > 87f00000 SIZE 00000004 COUNT 00000010 > Error: 1910 130835 arm11.c:1069 arm11_write_memory_inner(): Data > transfer failed. Expected end address 0x87f00040, got 0x00405614 > Error: 1911 130835 arm11.c:1072 arm11_write_memory_inner(): use 'arm11 > memwrite burst disable' to disable fast burst mode > Error: 1912 130835 gdb_server.c:1211 gdb_error(): unexpected error -4 > Debug: 1913 130936 arm11.c:67 arm11_check_init(): DSCR 4000605b > Debug: 1914 131036 core.c:535 jtag_add_statemove(): cur_state=DRPAUSE > goal_state=DRPAUSE > Debug: 1915 131036 arm11.c:67 arm11_check_init(): DSCR 4000601b > Debug: 1916 131136 core.c:535 jtag_add_statemove(): cur_state=DRPAUSE > goal_state=DRPAUSE > Debug: 1917 131136 arm11.c:67 arm11_check_init(): DSCR 4000601b > > The LOG_DEBUG at the beginning of jtag_add_statemove makes the log a > bit noisy on debug_level 3, even if the system (target + openocd) is > idling. I'm sending a patch to silence the messages. > > Edgar > >> >> - Dave >> > > > > -- > Edgar Grimberg > System Developer > Zylin AS > ZY1000 JTAG Debugger http://www.zylin.com/zy1000.html > Phone: (+47) 51 63 25 00 > -- Edgar Grimberg System Developer Zylin AS Visit us at Embedded World, March 2nd-4th. IS2T's stand, HALL 10 - 118 http://www.zylin.com/events_embeddedworld.html ZY1000 JTAG Debugger http://www.zylin.com/zy1000.html Phone: (+47) 51 63 25 00 _______________________________________________ Openocd-development mailing list Openocd-development@lists.berlios.de https://lists.berlios.de/mailman/listinfo/openocd-development
