From mboxrd@z Thu Jan 1 00:00:00 1970 To: "Omanakuttan" Cc: linuxppc-embedded@lists.linuxppc.org Subject: Re: bdi200 or powertap.. help me to decide. From: Wolfgang Denk Mime-version: 1.0 Content-type: text/plain; charset=ISO-8859-1 In-reply-to: Your message of "Thu, 09 Jan 2003 10:06:45 +0530." <3E1CFC5D.5030608@tataelxsi.co.in> Date: Thu, 09 Jan 2003 09:30:32 +0100 Message-Id: <20030109083037.88D89C608E@atlas.denx.de> Sender: owner-linuxppc-embedded@lists.linuxppc.org List-Id: In message <3E1CFC5D.5030608@tataelxsi.co.in> you wrote: > > I have been following the recent ( and ongoing ) discussions on bdi2000. > I have recommended the company to buy bdi2000. The company is > considering bdi2000 and powertap. ( AMC Applied Microsystems > Corporation's PowerTAP™). > I am going through the data sheet of powertap and doing a comparitative > study of both products to find out which one is better suited for linux > kernel debugging. Frankly we don't need any of the jazz that powertap + > MWX-ICE™ debugger offers .We will be happy to use GNU tools. One good > feature I see in powertap is to examine the contents of the registers. > but I am a little pessimistic about the linux kernel debug support on > powertap. Ask yourself (and your AMC / Metrowerks sales guy) the following questions: * Does the PowerTAP documentation / sales guys claim to support Linux as target OS? Especially is the MMU support good enough to debug for example dynamically loaded kernel modules? * How many people on this mailing list actually reported that they have successfully used a PowerTAP to debug the Linux kernel including dynamically loaded device drivers? * Is there support for Linux as host OS? * Does the Linux kernel provide special hooks for the PowerTAP (equivalent to the CONFIG_BDI_SWITCH configuration option)? * Which CPUs are supported by the PowerTAP? The BDI2000 supports CPU32/32+, ColdFire, PowerPC, ARM, MIPS32, XScale and M-CORE ... Guess what we're using... Best regards, Wolfgang Denk -- Software Engineering: Embedded and Realtime Systems, Embedded Linux Phone: (+49)-8142-4596-87 Fax: (+49)-8142-4596-88 Email: wd@denx.de I wish I had a bronze torc for every user who didn't read the manual. - Terry Pratchett, _The Light Fantastic_ ** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/