From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Envelope-to: publicinbox@libre-riscv.org Delivery-date: Fri, 08 May 2020 23:19:35 +0100 Received: from localhost ([::1] helo=libre-riscv.org) by libre-soc.org with esmtp (Exim 4.89) (envelope-from ) id 1jXBLC-0005JJ-SE; Fri, 08 May 2020 23:19:34 +0100 Received: from lkcl.net ([217.147.94.29]) by libre-soc.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.89) (envelope-from ) id 1jXBLB-0005JD-GN for libre-riscv-dev@lists.libre-riscv.org; Fri, 08 May 2020 23:19:33 +0100 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lkcl.net; s=201607131; h=Content-Type:To:Subject:Message-ID:Date:From:In-Reply-To:References:MIME-Version; bh=mWr8dINRzpYPhguTH8AYVXMrFe5VVd2mkXcLYMy1z7U=; b=ibSPTmRuSiA4eYdgdmhhTmsDJTLKBmZFvP2pDB1jtcm8KIwvPyKohCcAJZhzvnwAxpt+7OStMrcB0+t26AFwxeQnVKLrZVjSjp6Lg+BbDxW0ZDGKhAYhR09qtuGmoA5KaLDjD9DA5/5O9Us6glcLF8E7a/ru1ygXOTbiQ3BSlnA=; Received: from mail-lf1-f48.google.com ([209.85.167.48]) by lkcl.net with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.84_2) (envelope-from ) id 1jXBLB-00074H-7L for libre-riscv-dev@lists.libre-riscv.org; Fri, 08 May 2020 22:19:33 +0000 Received: by mail-lf1-f48.google.com with SMTP id 188so2632783lfa.10 for ; Fri, 08 May 2020 15:19:17 -0700 (PDT) X-Gm-Message-State: AOAM530D58TkWYb/E2y0foRKwbqCv4fs2Cban5EyKQn5MtJsWAp1HHBe geC/8juNz2ksfbOqrOeznqttuSLZwcNbYlUoS5E= X-Google-Smtp-Source: ABdhPJzSzMyElZz+FavV/Ii+Jd6Ghu3X3tcKseTSYtExcOEaC0hFg15vWsCpsQju/zX2JBVmv2H+NjsVh/HYOy+EEPQ= X-Received: by 2002:ac2:4da1:: with SMTP id h1mr3210198lfe.152.1588976352244; Fri, 08 May 2020 15:19:12 -0700 (PDT) MIME-Version: 1.0 References: <9191058ea0912f2b508a6f73ea567e5f@f-cpu.org> <63e8b9ce54648590e2a6fc51bc2110dde7585f5e.camel@fibraservi.eu> In-Reply-To: <63e8b9ce54648590e2a6fc51bc2110dde7585f5e.camel@fibraservi.eu> From: Luke Kenneth Casson Leighton Date: Fri, 8 May 2020 23:19:00 +0100 X-Gmail-Original-Message-ID: Message-ID: To: Libre-RISCV General Development Subject: Re: [libre-riscv-dev] Debug port (was Re: minimum viable ASIC) X-BeenThere: libre-riscv-dev@lists.libre-riscv.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Libre-RISCV General Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: Libre-RISCV General Development Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: libre-riscv-dev-bounces@lists.libre-riscv.org Sender: "libre-riscv-dev" Archived-At: List-Archive: LS0tCmNyb3dkLWZ1bmRlZCBlY28tY29uc2Npb3VzIGhhcmR3YXJlOiBodHRwczovL3d3dy5jcm93 ZHN1cHBseS5jb20vZW9tYTY4CgpPbiBGcmksIE1heSA4LCAyMDIwIGF0IDY6MjMgUE0gU3RhZiBW ZXJoYWVnZW4gPHN0YWZAZmlicmFzZXJ2aS5ldT4gd3JvdGU6Cj4KPiBMdWtlIEtlbm5ldGggQ2Fz c29uIExlaWdodG9uIHNjaHJlZWYgb3AgdnIgMDgtMDUtMjAyMCBvbSAxNzo1NSBbKzAxMDBdOgo+ ID4gT24gRnJpLCBNYXkgOCwgMjAyMCBhdCA0OjI3IFBNIDx3aHlnZWVAZi1jcHUub3JnPiB3cm90 ZToKPiA+ID4gVG8gbWUgSlRBRy9UQVAvZGVidWcgcG9ydCBzaGluZSBmcm9tIGl0cyBhYnNlbmNl Lgo+ID4KPiA+IHllcCBnb29kIGNhdGNoLiAgYWRkZWQuCj4KPiBJIGFscmVhZHkgaGF2ZSAoYWxw aGEgdmVyc2lvbikgbm1pZ2VuIEpUQUcgY29kZTogaHR0cHM6Ly9naXRsYWIuY29tL0NoaXBzNE1h a2Vycy9jNG0tanRhZwo+IFN0YWYuIGlkPSIteC1ldm8tc2VsZWN0aW9uLXN0YXJ0LW1hcmtlciI+ Cgpmb3VuZCB0aGUgbGluayAobWludXMgSFRNTCBlcnJvcikKaHR0cHM6Ly9naXRsYWIuY29tL0No aXBzNE1ha2Vycy9jNG0tanRhZwoKYWguICBhcyBhIHNvZnR3YXJlIGVuZ2luZWVyLCB0aGUgcHJh Y3RpY2Ugb2YgdXNpbmcgd2lsZGNhcmQgaW1wb3J0cyBpcwphbiBleHRyZW1lbHkgYmFkIG9uZS4g IGkgc3Ryb25nbHkgYWR2b2NhdGUgKm5vdCogZ2V0dGluZyBpbnRvIHRoZQpoYWJpdCBvZiBkb2lu ZyAiZnJvbSBubWlnZW4gaW1wb3J0ICoiIGV2ZXJ5d2hlcmUgLSBpdCB3aWxsIG1ha2UgeW91cgps aWZlIC0gYW5kIG90aGVyIHVzZXJzIGxpdmVzIC0gYWJzb2x1dGUgaGVsbCB3aGVuIGl0IGNvbWVz IHRvIHRyeWluZwp0byB0cmFjayBhbmQgZGVidWcgY29kZS4KCm1pbmVydmEgaGFzIGEgSlRBRyBp bnRlcmZhY2UgYXMgd2VsbC4gIGkgY29ycmVjdGVkIHRoZSBwcmFjdGljZSBvZgp1c2luZyAiaW1w b3J0ICoiIGluIHRoaXMgb25lCgpodHRwczovL2dpdC5saWJyZS1zb2Mub3JnLz9wPXNvYy5naXQ7 YT1ibG9iO2Y9c3JjL3NvYy9taW5lcnZhL3VuaXRzL2RlYnVnL2NvbnRyb2xsZXIucHk7aD03MzA0 MzAzZTU3N2IxNGVlYmJhMTUxNDQ2NDJlYjdiZWU4MjllMTA3O2hiPWE1NGFkY2I2NWJhZDM3YjM5 OGIxMWUzM2E4MjRjN2QwOGM1ZmU1MDkKCml0IGxvb2tzIGxpa2UgdGhlIG1pbmVydmEgdGVhbSBn b3QgYSBsb25nIHdheSB3aXRoIHRoYXQuICBhbHNvCnByb3ZpZGVkIGEgd2lzaGJvbmUgbWFzdGVy IGludGVyZmFjZToKCmh0dHBzOi8vZ2l0LmxpYnJlLXNvYy5vcmcvP3A9c29jLmdpdDthPWJsb2I7 Zj1zcmMvc29jL21pbmVydmEvdW5pdHMvZGVidWcvd2JtYXN0ZXIucHk7aD1kYjAyYWY5NWI0ZWIz ZWY4YWMyNWIzNDhmM2FiYWEyYmNiZTdkOTZmO2hiPWE1NGFkY2I2NWJhZDM3YjM5OGIxMWUzM2E4 MjRjN2QwOGM1ZmU1MDkKCmwuCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fXwpsaWJyZS1yaXNjdi1kZXYgbWFpbGluZyBsaXN0CmxpYnJlLXJpc2N2LWRldkBs aXN0cy5saWJyZS1yaXNjdi5vcmcKaHR0cDovL2xpc3RzLmxpYnJlLXJpc2N2Lm9yZy9tYWlsbWFu L2xpc3RpbmZvL2xpYnJlLXJpc2N2LWRldgo=