> -----Original Message----- > From: Joseph Smith [mailto:[email protected]] > Sent: Wednesday, March 04, 2009 9:14 PM > To: Myles Watson > Cc: coreboot > Subject: RE: [coreboot] Trace MMIO Read/Write > > > > > On Wed, 4 Mar 2009 20:44:38 -0700, "Myles Watson" <[email protected]> > wrote: > > > > > >> -----Original Message----- > >> From: [email protected] [mailto:coreboot- > >> [email protected]] On Behalf Of Joseph Smith > >> Sent: Wednesday, March 04, 2009 6:13 PM > >> To: Patrick Georgi; coreboot > >> Subject: Re: [coreboot] Trace MMIO Read/Write > >> > >> > >> > >> > >> On Wed, 04 Mar 2009 17:48:55 -0500, Joseph Smith <[email protected]> > >> wrote: > >> > > >> > > >> > > >> > On Wed, 04 Mar 2009 17:37:50 -0500, Joseph Smith > <[email protected]> > >> > wrote: > >> >> > >> >> > >> >> > >> >> On Wed, 04 Mar 2009 23:27:07 +0100, Patrick Georgi > >> >> <[email protected]> > >> >> wrote: > >> >>> Am 04.03.2009 23:23, schrieb Joseph Smith: > >> >>>> Hello, > >> >>>> Is there anyway to trace (capture) reads and writes to a mmio > space > >> in > >> >>>> Linux? A utility program maybe? > >> >>>> > >> >>> I think that's what the renouveau project does, so they should have > > a > >> >>> tool for that. > >> >>> It should work by mapping the mmio area away, then catching all > >> > accesses > >> >>> before passing them trough. > >> >>> > >> >>> > >> >> Thanks Patrick, I will check it out. Does it catch reads as well as > >> >> writes? > >> >> > >> > Ahhh, thanks again Patrick! > >> > > >> > http://nouveau.freedesktop.org/wiki/MmioTrace > >> > > >> hmmm :-( > >> I need to do this on a older kernel 2.6.10 and mmiotrace does not > > support > >> older kernels.... > >> > >> Any other suggestions? > > > > Does it run in a simulator or an emulator? SimNow or Qemu could log > them > > for you. > > > Can they simulate a Intel onboard graphics adapter?
Probably not easily. Is the driver not open-source? I'm wondering why you couldn't recompile it for the newer kernel if you really want to use MmioTrace. Thanks, Myles -- coreboot mailing list: [email protected] http://www.coreboot.org/mailman/listinfo/coreboot
