Hi, What do you mean by "standard tests"? I configure ecos with the minimal packages (hal+infra+kernel) and without swi it's work fine. (2 tasks with semaphore) So, now i try to manage swi handler without ecos, just a simple syscall implementation. Best regards. ps : what is "standard tests?"
---------------------------------------- > Date: Fri, 21 Mar 2008 06:20:23 -0600 > From: [EMAIL PROTECTED] > To: [EMAIL PROTECTED] > CC: [email protected] > Subject: Re: [ECOS] data abort exception (SWI) > > trollepi jj wrote: >> Hi, >> So your patch can't work, because, the program never reach the routine >> software_interrupt, it always goes on abort_prefetch. This is the sample of >> my .ld (I do a entirely RAM project). We >> must not use RedBoot. > > Have you tried running the standard tests with your configuration? > Until those work, you can't really proceed. > >> MEMORY >> { >> ram : ORIGIN = 0x04000000, LENGTH = 0x00080000 >> } >> >> SECTIONS >> { >> SECTIONS_BEGIN >> SECTION_rom_vectors (ram, 0x04000000, LMA_EQ_VMA) >> SECTION_fixed_vectors (ram, ALIGN (0x04), LMA_EQ_VMA) >> SECTION_text (ram, ALIGN (0x4), LMA_EQ_VMA) >> SECTION_fini (ram, ALIGN (0x4), LMA_EQ_VMA) >> SECTION_rodata (ram, ALIGN (0x4), LMA_EQ_VMA) >> SECTION_rodata1 (ram, ALIGN (0x4), LMA_EQ_VMA) >> SECTION_fixup (ram, ALIGN (0x4), LMA_EQ_VMA) >> SECTION_gcc_except_table (ram, ALIGN (0x4), LMA_EQ_VMA) >> SECTION_data (ram, ALIGN (0x4), LMA_EQ_VMA) >> SECTION_bss (ram, ALIGN (0x4), LMA_EQ_VMA) >> CYG_LABEL_DEFN(__heap1) = ALIGN (0x8); >> SECTIONS_END >> } >> We need swi to implement syscall like linux. So we make a swi to enter on >> the exception handler and after modify the fields of the info parameter >> (cast in HAL_SavedRegisters) to point >> on a function we define(modify pc, sp). We need after all the stuff do >> return on the calling thread but it never goes. >> Thank for future help >> Best regards >> ---------------------------------------- >>> Date: Thu, 20 Mar 2008 10:11:33 -0600 >>> From: [EMAIL PROTECTED] >>> To: [EMAIL PROTECTED] >>> CC: [email protected] >>> Subject: Re: [ECOS] data abort exception (SWI) >>> >>> trollepi jj wrote: >>>> Hi, >>>> I try to make a ecos project without Redboot for an atmel AT91M55800A >>>> (phycore). So it's a RAM project. I compile and debug an application >>>> without any problems. >>>> When i try to generate a SWI (with asm("swi")), the application reach the >>>> exeption handler that I define but the number of the exception is not >>>> CYGNUM_HAL_VECTOR_SOFTWARE_INTERRUPT (number 2 that i give on >>>> cyg_exception_set_handler) but CYGNUM_HAL_VECTOR_ABORT_PREFETCH (number 3) >>>> . Maybe I might modify vector.S to do the remap (like hal_platform_setup.h >>>> ). If anybody have an idea? I search on your mailing and nothing fit well. >>> Why are you trying to use the SWI instruction? >>> >>> In any case, it looks like there is a typo in the SWI handler. >>> I'm pretty sure no one has ever actually used this path! >>> >>> Please try the attached patch and let me know if it fixes >>> your problem. > > -- > ------------------------------------------------------------ > Gary Thomas | Consulting for the > MLB Associates | Embedded world > ------------------------------------------------------------ > > -- > Before posting, please read the FAQ: http://ecos.sourceware.org/fom/ecos > and search the list archive: http://ecos.sourceware.org/ml/ecos-discuss > _________________________________________________________________ Sur Windows Live Ideas, découvrez en exclusivité de nouveaux services en ligne... si nouveaux qu'ils ne sont pas encore sortis officiellement sur le marché ! http://ideas.live.com -- Before posting, please read the FAQ: http://ecos.sourceware.org/fom/ecos and search the list archive: http://ecos.sourceware.org/ml/ecos-discuss
