On Wed, May 23, 2012 at 6:39 AM, Andreas Fritiofson
<[email protected]> wrote:
> On Tue, May 22, 2012 at 4:43 PM, Xiaofan Chen <[email protected]> wrote:
>> On Mon, May 21, 2012 at 9:14 AM, Xiaofan Chen <[email protected]> wrote:
>>> On Mon, May 21, 2012 at 6:32 AM, salvador <[email protected]> wrote:
>>>> There is a problem with the ftdi driver related to drscan. The last bit
>>>> is never read.
>>>> The problem is in ftdi_execute_scan(), at line 427 ( bit_offset++; ).
>>>> This will generate an offset of 32 in a drscan32, so bit 31 is never
>>>> updated.
>>>
>>> Not so sure this has something to do with the segfault I found
>>> when testing under Mac OS X. I will try again with this mod.
>>
>> Unfortunately my TI/Luminary Ek-LM3S1968 was broken
>> accidentally today so that I can not finish the tests.
>>
>> Anyway, the mod does not seem to help much since gcc-4.6
>> works with or without the mod. LLVM with mod no
>> longer segfault but may still hang. clang with mod
>> also may still hang.
>
> As far as I can tell this really is a quite severe bug. Really strange
> that it worked so well before. I can't notice a difference after
> fixing it, so I hope the fix is valid. Please try the updated
> patchset, now in gerrit. I've reorganized the patches a bit and merged
> the small fixups into the main patches.
I just tried the updated patchset and it works fine for the
STM32 target using Amontec JTAGkey2.
I will try to borrow a TI/Luminary demo board now that
my board is dead (the USB connector was broken off).
mymacmini:stm32 xiaofanc$ ~/bin/bin/openocd -f openocd.cfg
Open On-Chip Debugger 0.6.0-dev-00591-gc5b4ab4 (2012-05-23-07:56)
Licensed under GNU GPL v2
For bug reports, read
http://openocd.sourceforge.net/doc/doxygen/bugs.html
Info : only one transport option; autoselect 'jtag'
1000 kHz
adapter_nsrst_delay: 100
jtag_ntrst_delay: 100
cortex_m3 reset_config sysresetreq
Info : clock speed 1000 kHz
Info : JTAG tap: stm32f1x.cpu tap/device found: 0x3ba00477 (mfg:
0x23b, part: 0xba00, ver: 0x3)
Info : JTAG tap: stm32f1x.bs tap/device found: 0x16410041 (mfg: 0x020,
part: 0x6410, ver: 0x1)
Info : stm32f1x.cpu: hardware has 6 breakpoints, 4 watchpoints
1000 kHz
Info : JTAG tap: stm32f1x.cpu tap/device found: 0x3ba00477 (mfg:
0x23b, part: 0xba00, ver: 0x3)
Info : JTAG tap: stm32f1x.bs tap/device found: 0x16410041 (mfg: 0x020,
part: 0x6410, ver: 0x1)
target state: halted
target halted due to debug-request, current mode: Thread
xPSR: 0x01000000 pc: 0x0800272c msp: 0x20000810
8000 kHz
dumped 131072 bytes in 0.343124s (373.043 KiB/s)
verified 131072 bytes in 0.257510s (497.068 KiB/s)
Info : device id = 0x20036410
Info : flash size = 128kbytes
stm32x mass erase complete
wrote 131072 bytes from file dump.bin in 3.540809s (36.150 KiB/s)
verified 131072 bytes in 0.257520s (497.049 KiB/s)
20480 bytes written at address 0x20000000
downloaded 20480 bytes in 0.047005s (425.487 KiB/s)
1000 kHz
Info : JTAG tap: stm32f1x.cpu tap/device found: 0x3ba00477 (mfg:
0x23b, part: 0xba00, ver: 0x3)
Info : JTAG tap: stm32f1x.bs tap/device found: 0x16410041 (mfg: 0x020,
part: 0x6410, ver: 0x1)
shutdown command invoked
--
Xiaofan
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