No. The sram device can not be accessed by any user space application. The applications can only do malloc/free via system call.
Sonic -----Original Message----- From: uclinux-dist-devel-boun...@blackfin.uclinux.org [mailto:uclinux-dist-devel-boun...@blackfin.uclinux.org] On Behalf Of Jie Zhang Sent: Saturday, December 05, 2009 8:28 AM To: David Howells Cc: uclinux-dist-de...@blackfin.uclinux.org; Greg Ungerer; uClinux development list; David McCullough; linux-ker...@vger.kernel.org Subject: Re: [Uclinux-dist-devel] [uClinux-dev] [PATCH/RFC] FDPIC: add hook for arches to customize program header parsing On 12/05/2009 01:44 AM, David Howells wrote: > Mike Frysinger<vap...@gentoo.org> wrote: > >> The Blackfin port has custom program header flags/addresses for >> automatically loading regions into the dedicated on-chip SRAM. So >> add a hook for ports to leverage. > > Now that I've ACK'd this, I feel I'm going to have to NAK it. I'm not > against the general concept, but: > >> + do_munmap(mm, *maddr, phdr->p_memsz + *disp); > > There needs to be a mapping covering the SRAM region for the purposes > of the Our GDB is still lack of the feature to debug applications using SRAM. So this part of code was not got exercised. So if we remove this line, can this patch got merged? > debugger. Do you have a chardev covering the SRAM device? Perhaps > through MTD? > Sorry, I don't know the answer to these two questions. Jie _______________________________________________ Uclinux-dist-devel mailing list uclinux-dist-de...@blackfin.uclinux.org https://blackfin.uclinux.org/mailman/listinfo/uclinux-dist-devel _______________________________________________ uClinux-dev mailing list uClinux-dev@uclinux.org http://mailman.uclinux.org/mailman/listinfo/uclinux-dev This message was resent by uclinux-dev@uclinux.org To unsubscribe see: http://mailman.uclinux.org/mailman/options/uclinux-dev
