Hi Samuel On 22/01/14 17:24, Samuel Charnet wrote:
> I want to try the ecos OS. My board come from waveshare, it is based > on stm32f407ig core ( http://www.wvshare.com/product/EVK407I.htm ) > > After some days I have ecos from CVS compiled. With the configtool I > have created my library with the stm3240 template and i have modified > the startup type to ROMINT > > I have a simple thread which blink a led. I can upload the binary file > to the stm32 (i use the last openocd from source and olimex > arm-usb-ocd-h jtag device) > > Unfortunately the led don't blink. With gdb i can't break on any > function and the stack seems broken. You may be observing the following issue: http://bugs.ecos.sourceware.org/show_bug.cgi?id=1001864 Try modifying hal/cortexm/arch/current/src/hal_misc.c to read as follows: > #if defined(CYG_HAL_STARTUP_ROM) || defined(CYG_HAL_STARTUP_ROMINT) > // Relocate data from ROM to RAM Does that resolve the issue for you? John Dallaway eCos maintainer http://www.dallaway.org.uk/john -- Before posting, please read the FAQ: http://ecos.sourceware.org/fom/ecos and search the list archive: http://ecos.sourceware.org/ml/ecos-discuss
