From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 124538 invoked by alias); 23 Jun 2015 20:01:38 -0000 Mailing-List: contact gdb-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-owner@sourceware.org Received: (qmail 124521 invoked by uid 89); 23 Jun 2015 20:01:38 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-3.3 required=5.0 tests=AWL,BAYES_00,RCVD_IN_DNSWL_LOW,RP_MATCHES_RCVD,SPF_PASS autolearn=ham version=3.3.2 X-HELO: mail-ob0-f170.google.com Received: from mail-ob0-f170.google.com (HELO mail-ob0-f170.google.com) (209.85.214.170) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with (AES128-GCM-SHA256 encrypted) ESMTPS; Tue, 23 Jun 2015 20:01:36 +0000 Received: by obbop1 with SMTP id op1so13465706obb.2 for ; Tue, 23 Jun 2015 13:01:34 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:content-type; bh=UvANZKATMs/m2CRQL2CGM0StX/t2AX4G/BbNl/InUGA=; b=lMbnShIExWsu0HW3Y1SThx07IchRzmkobzXqFom1kO+sRWGRf6zIZc7iRDgGxfpCHR oBS+lnKcNBs/MFgRLW+KCh+wlqePMDOlXKZ0GVFRplQVjPHmU6RmMZ+tzno4ZvQduYE7 RzYl5kimfS1C+Au5bXohDCRWNLqHlZAKxoLtgBzrmXbecqWJUX4fVK+pzH6+kR8ly/Q8 InYZz1OpxALih8mSK8WQcLoHK1O7ZPm+0ZkS7lRokpsZmRIpX9yjAOL1XqBeIVL6r3o0 dipL27KJlxaWe9rP/7VVbYzohmcc1pI0s8Fe0w4LoWPlenyRGUWj089LEBg/42wE/8KJ MPdw== X-Gm-Message-State: ALoCoQmiF/aLe1hNmjPiBgQWa1etYUXXcOveTtGf3n0Ebi4HJ/7jSe+DxfKPMhymTRCpa3fNz/KM MIME-Version: 1.0 X-Received: by 10.60.101.195 with SMTP id fi3mr31426162oeb.65.1435089694485; Tue, 23 Jun 2015 13:01:34 -0700 (PDT) Received: by 10.182.89.99 with HTTP; Tue, 23 Jun 2015 13:01:34 -0700 (PDT) In-Reply-To: <20150623195531.GJ17734@vapier> References: <20150623195531.GJ17734@vapier> Date: Tue, 23 Jun 2015 20:01:00 -0000 Message-ID: Subject: Re: what is the "VPU" (in igen/cgen/sim) ? From: Doug Evans To: gdb , bje@gnu.org, nick clifton Content-Type: text/plain; charset=UTF-8 X-IsSubscribed: yes X-SW-Source: 2015-06/txt/msg00074.txt.bz2 On Tue, Jun 23, 2015 at 2:55 PM, Mike Frysinger wrote: > the simulator had VPU tracing support proposed here: > https://sourceware.org/ml/gdb/2001-02/msg00267.html > > and committed here: > https://sourceware.org/git/?p=binutils-gdb.git;a=commitdiff;h=01816cd804ec526927f53f0e408dae8c6ea269f2 > > but nowhere can i seem to find a description of what the "VPU" actually is. > the references to cgen doesn't lead anywhere as a grep of the cgen tree doesn't > match anything. the only user in the sim tree is msp430, and it uses it for > generic cpu register tracing. i would guess that it means "video processing > unit" as Google would lead me to believe, but that doesn't make sense in the > cgen/sim context. same for "virtual processing unit". > > can anyone shed some light on this ? > -mike Hi. I can't, except to say the term "vpu" doesn't exist in the cgen world. I think Ben is your best here.