Return-path: Envelope-to: publicinbox@libre-riscv.org Delivery-date: Fri, 29 May 2020 11:31:16 +0100 Received: from localhost ([::1] helo=libre-riscv.org) by libre-soc.org with esmtp (Exim 4.89) (envelope-from ) id 1jecIE-0005mr-IX; Fri, 29 May 2020 11:31:14 +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 1jecIC-0005me-3b for libre-riscv-dev@lists.libre-riscv.org; Fri, 29 May 2020 11:31:12 +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:References:In-Reply-To:MIME-Version; bh=wfZRZM50UXk5khtJWQTaHJSvzAewvPmEXP7vzMJkZ84=; b=agAaUDpyjSN2mM/u86sPLqTdhwzaRflg8eo58FbhJr25BGBsTy1GP3qbHAEtaFWaWQ/sgaxhWf7uh6elTylvVm6ossCXFaLwEh5enQuxQoN96QpFufhzynMJGf7aDq9boD+YHlgipzjFwV5xINTEqaY6gYnZJn0jPNAIEeUuXhc=; Received: from mail-lf1-f44.google.com ([209.85.167.44]) by lkcl.net with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.84_2) (envelope-from ) id 1jecIB-0004rm-P2 for libre-riscv-dev@lists.libre-riscv.org; Fri, 29 May 2020 10:31:11 +0000 Received: by mail-lf1-f44.google.com with SMTP id w15so981395lfe.11 for ; Fri, 29 May 2020 03:30:56 -0700 (PDT) X-Gm-Message-State: AOAM5318F+BDQ167kcqmqem+m/QpHaIgo/0yFNrqIAvoEDBH2x3Xttbr gJvdH0+ZkN0+bkg2YwzcD2ldYp/sXz2kWEvDAGQ= X-Google-Smtp-Source: ABdhPJygOiJhSK4mI1gGFvbCNYAxAOL8rlq/NUA/oomuwJC6pCWEJRR/YTYTLu1WIu7kw/yMz671NhaMAPbiRoN/GWo= X-Received: by 2002:a19:c1c3:: with SMTP id r186mr4044607lff.49.1590748250674; Fri, 29 May 2020 03:30:50 -0700 (PDT) MIME-Version: 1.0 Received: by 2002:a05:6504:31aa:0:0:0:0 with HTTP; Fri, 29 May 2020 03:30:49 -0700 (PDT) In-Reply-To: References: <9191058ea0912f2b508a6f73ea567e5f@f-cpu.org> <63e8b9ce54648590e2a6fc51bc2110dde7585f5e.camel@fibraservi.eu> <803285a5aa4bed5be9c8d4bc5855f49174742f33.camel@fibraservi.eu> From: Luke Kenneth Casson Leighton Date: Fri, 29 May 2020 11:30:49 +0100 X-Gmail-Original-Message-ID: Message-ID: To: Libre-RISCV General Development X-Content-Filtered-By: Mailman/MimeDel 2.1.23 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" T24gV2VkbmVzZGF5LCBNYXkgMjAsIDIwMjAsIEx1a2UgS2VubmV0aCBDYXNzb24gTGVpZ2h0b24g PGxrY2xAbGtjbC5uZXQ+Cndyb3RlOgoKaW1wb3J0IG5taWdlbiBhcyBubQo+IHggPSBubS5TaWdu YWwoKQo+Cj4gaXMgYWN0dWFsbHkgYSByZWFsbHkgZ29vZCBpZGVhLiAgc2F2ZXMgc3BhY2UsIGV4 cGxpY2l0bHkgc2F5cyB3aGVyZQo+IHRoZSAidGhpbmciIChTaWduYWwgZXRjLikgY29tZSBmcm9t LgoKCmkgZm91bmQgc29tZSBjb2RlIHdoZXJlIHdlIGRvIGp1c3QgbW9kdWxlIGltcG9ydDoKCmh0 dHBzOi8vZ2l0LmxpYnJlLXNvYy5vcmcvP3A9bm11dGlsLmdpdDthPWJsb2I7Zj1zcmMvbm11dGls L3NpbmdsZXBpcGUucHk7aD1jYmQwNmY2NDhiMjNhM2FkNmU5YjA2NDA5M2RlMGYwMzljNzZiYjMy O2hiPUhFQUQjbDg3NwoKc2ltaWxhciB0byAiaW1wb3J0IG9wZXJhdG9yIiBvciAiaW1wb3J0IG1h dGgiIHRoZW4gdXNlCgptYXRoLnBpCm1hdGguY29zKHgpCm9wZXJhdG9yLmFkZAoKZXRjLgoKdGhp cyBpcyB2ZXJ5IGdvb2QgcHJhY3RpY2UsIFN0YWYsIGJlY2F1c2UgaXQgYWxsb3dzIHRoZSByZWFk ZXIsIGF0IHRoZQpwb2ludCBvZiB1c2Ugb2YgdGhlIGZ1bmN0aW9uIG9yIGNsYXNzLCB0byBrbm93 IGltbWVkaWF0ZWx5IHdpdGhvdXQKc2Nyb2xsaW5nIHRvIHRoZSB0b3Agb2YgdGhlIHBhZ2UsIHdo aWNoIG1vZHVsZSB0aGUgY29kZSBjb21lcyBmcm9tLgoKd2hpbHN0ICp5b3UqIG1pZ2h0IGtub3cg dGhhdCwgb3RoZXIgcmVhZGVycyB3aWxsIG5vdC4gIHRoZSBhZGRpdGlvbmFsCmNvbnRleHQgaXMg Y3JpdGljYWwgZm9yICp0aGVpciogdW5kZXJzdGFuZGluZyBhbmQgdG8gbm90IGZvcmNlIHRoZW0g dG8gd29yawpoYXJkZXIsIHNsb3dpbmcgdGhlbSBkb3duIHRvIHRoZSBwb2ludCB3aGVyZSBtaXN0 YWtlcyBhcmUgbWFkZSBvciB0aGV5IGdpdmUKdXAgYW5kIGZpbmQgc29tZW9uZSBlbHNlJ3MgY29k ZS4KCmJvdHRvbSBsaW5lOiBpdCdzIG5vdCBhYm91dCB5b3UgOikgdGhlc2UgYXJlIHByYWN0aWNl cyB0aGF0IG1ha2UgbGlmZQplYXNpZXIgZm9yICpvdGhlciBwZW9wbGUqLgoKbC4KCgoKCi0tIAot LS0KY3Jvd2QtZnVuZGVkIGVjby1jb25zY2lvdXMgaGFyZHdhcmU6IGh0dHBzOi8vd3d3LmNyb3dk c3VwcGx5LmNvbS9lb21hNjgKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX18KbGlicmUtcmlzY3YtZGV2IG1haWxpbmcgbGlzdApsaWJyZS1yaXNjdi1kZXZAbGlz dHMubGlicmUtcmlzY3Yub3JnCmh0dHA6Ly9saXN0cy5saWJyZS1yaXNjdi5vcmcvbWFpbG1hbi9s aXN0aW5mby9saWJyZS1yaXNjdi1kZXYK