From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Envelope-to: publicinbox@libre-riscv.org Delivery-date: Fri, 01 May 2020 19:33:07 +0100 Received: from localhost ([::1] helo=libre-riscv.org) by libre-soc.org with esmtp (Exim 4.89) (envelope-from ) id 1jUaTD-0004CN-1Q; Fri, 01 May 2020 19:33:07 +0100 Received: from localhost ([127.0.0.1] helo=bugs.libre-soc.org) by libre-soc.org with esmtp (Exim 4.89) (envelope-from ) id 1jUaTA-0004C0-UU for libre-riscv-dev@lists.libre-riscv.org; Fri, 01 May 2020 19:33:04 +0100 From: bugzilla-daemon@libre-soc.org To: libre-riscv-dev@lists.libre-riscv.org Date: Fri, 01 May 2020 18:33:05 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Libre-SOC's first SoC X-Bugzilla-Component: Source Code X-Bugzilla-Version: unspecified X-Bugzilla-Keywords: X-Bugzilla-Severity: enhancement X-Bugzilla-Who: lkcl@lkcl.net X-Bugzilla-Status: CONFIRMED X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: lkcl@lkcl.net X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: X-Bugzilla-URL: https://bugs.libre-soc.org/ Auto-Submitted: auto-generated MIME-Version: 1.0 Subject: [libre-riscv-dev] [Bug 296] idea: cyclic buffer between FUs and register file 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: aHR0cHM6Ly9idWdzLmxpYnJlLXNvYy5vcmcvc2hvd19idWcuY2dpP2lkPTI5NgoKLS0tIENvbW1l bnQgIzUgZnJvbSBMdWtlIEtlbm5ldGggQ2Fzc29uIExlaWdodG9uIDxsa2NsQGxrY2wubmV0PiAt LS0KKEluIHJlcGx5IHRvIFllaG93c2h1YSBmcm9tIGNvbW1lbnQgIzMpCgo+IFdlIGRvbid0IG5l ZWQgYSBmdWxsIGNyb3NzYmFyLiBXZSBjYW4gdXNlIGEgc3Ryb25nLXNlbnNlIG5vbi1ibG9ja2lu ZyBiZW5lcwo+IG5ldHdvcmsgd2l0aCBhIHJlY29uZmlndXJhdGlvbiBsb29rdXAgdGFibGUuCj4g Cj4gSSBjYW4gd2hpcCBvbmUgdXAgbmV4dCB3ZWVrIGlmIHlvdSB3YW50LiBUaGV5IHVzZSBsZXNz IGdhdGVzIHRoYW4gZnVsbAo+IGNyb3NzYmFycy4uLgoKaHR0cDovL2hvbWVwYWdlcy5pbmYuZWQu YWMudWsvY2dpL3JuaS9jb21wLWFyY2gucGw/TmV0d29ya3MvYmVuZXMuaHRtbCxOZXR3b3Jrcy9i ZW5lcy1mLmh0bWwsTmV0d29ya3MvbWVudS1keW4uaHRtbAoKb2ggX3RoYXRfISAgeWVhaCBpIGRp ZCBvbmUgZm9yIG15IDNyZCB5ZWFyIHByb2plY3QgaW4gMTk5MSwgYWN0dWFsbHkgdHdvCmJhY2st dG8tYmFjawp0ZXJtZWQgYSAiYnV0dGVyZmx5IiBuZXR3b3JrLCBhbmQgZGVtb25zdHJhdGVkIHRo YXQgYSBwZXJtdXRhdGlvbiBjb3VsZCBiZQpzb2x2ZWQKaW4gTyhsb2cgTiArIE4pIHRpbWUgd2l0 aCAxMDAlIHRocm91Z2hwdXQuICBpdCBkaWQgcmVxdWlyZSB0aGF0IHRoZSBpbnB1dHMgdG8Kb3V0 cHV0cwoqYmUqIGEgcGVybXV0YXRpb24sIG90aGVyd2lzZSBpdCB3b3VsZCBub3QgY29tcGxldGUg dGhlIHJvdXRpbmcuICBpIHJhbiBvdXQgb2YKdGltZQp0byBpbnZlc3RpZ2F0ZSBmdXJ0aGVyLgoK TGFtYmRhIE5ldHdvcmtzIC0gd2hhdCB0aGUgSW1wZXJpYWwgQ29sbGVnZSB0ZWFtIHdvcmtpbmcg b24gdGhlIEFMSUNFClRyYW5zcHV0ZXIKTmV0d29yayBpbiBjb25qdW5jdGlvbiB3aXRoIFBsZXNz ZXkgLSBhbmQgd2hhdCBoYXMgbm93IHRoZSBuYW1lICJCZW5lcwpOZXR3b3JrcyIgLQpoYXZlIHRo ZSB1bmZvcnR1bmF0ZSBwcm9wZXJ0eSBvZiByZWR1Y2luZyB0aGUgdGhyb3VnaHB1dCBpbiBhbiBl eHBvbmVudGlhbApmYXNoaW9uLAp3aGVuIHByZXNlbnRlZCB3aXRoIGFyYml0cmFyaWx5LXJhbmRv bSBzb3VyY2UtdG8tZGVzdGluYXRpb24gcmVxdWVzdHMuCgoqIGEgMTYtdG8tMTYgTGFtYmRhIC8g QmVuZXMgTmV0d29yayB3aWxsIGhhdmUgYSByYW5kb20tdG8tcmFuZG9tIG1heGltdW0KdGhyb3Vn aHB1dAogIG9mIDUwJQoqIGEgNjQtdG8tNjQgTGFtYmRhIC8gQmVuZXMgTmV0d29yayB3aWxsIGhh dmUgYSByYW5kb20tdG8tcmFuZG9tIG1heGltdW0KdGhyb3VnaHB1dAogIG9mIDI1JQoKYW5kIHNv IG9uLgoKdW5sZXNzIHRoZSBkYXRhIGlzIHBhcnRpY3VsYXJseSB1bmlmb3JtIChzdHJpY3RseSBj b250cm9sbGVkKSwgaXQgYWN0dWFsbHkKZ2V0cyBwcmV0dHkgYmFkLgoKaGVuY2UgdGhlIHJlYXNv biB3aHkgaSBpbnZlc3RpZ2F0ZWQgYmFjay10by1iYWNrIExhbWJkYSAvIEJlbmVzIE5ldHdvcmtz LCB3aGljaApmYXNjaW5hdGluZ2x5IGhhdmUgdGhlIHByb3BlcnR5IG9mIHByb3ZpZGluZyAqdHdv KiBwb3NzaWJsZSBwYXRocyB0byBlYWNoCmRlc3RpbmF0aW9uLCBwZXIgYml0LXBlci1sYXllci4g IGkgdXNlZCB0aGlzIHByb3BlcnR5IHRvIGNhc2NhZGUtc29sdmUgYQpwZXJtdXRhdGlvbgphbmQg Z290IDEwMCUgZ3VhcmFudGVlZCByb3V0aW5nLgoKaG93ZXZlci4uLiBpdCByZXF1aXJlcyAoQSkg YSBwZXJtdXRhdGlvbiBhbmQgKEIpIGNsb3NlIHRvIGRvdWJsZSB0aGUgYW1vdW50IG9mCmFjdHVh bCBnYXRlcyBhbmQgKEMpIGEgZGVsYXkgd2hpbHN0IHNvbHZpbmcgdGhlIHBlcm11dGF0aW9uLgoK eWVzLCB5ZWhvd3NodWEsIGkndmUgZG9uZSBhIGhlbGwgb2YgYSBsb3Qgb2Ygc3R1ZmYsIGluIGEg bG90IG9mIGRpZmZlcmVudCBhcmVhcwo6KQoKd2FpdC4uLiBubywganVzdCBsb29raW5nIGF0IEZp Z3VyZSAyOiBGaWd1cmUgMiAqaXMqIHdoYXQgaSBjYW1lIHVwIHdpdGguIApzb3JyeToKd2hhdCBJ bXBlcmlhbCBDb2xsZWdlIGRpZCBpbiB0aGUgQUxJQ0UgUHJvamVjdCB3YXMgYSAqaGFsZiogQmVu ZXMgTmV0d29yayAoY3V0CnRoYXQgbmV0d29yayBpbiBoYWxmIGRvd24gdGhlIG1pZGRsZSkuCgpM YW1iZGEgTmV0d29ya3MgaGF2ZSBleHBvbmVudGlhbCBkcm9wLW9mZiB0aHJvdWdocHV0IGNoYXJh Y3RlcmlzdGljcyAoZWFjaApsYXllciBibG9ja3Mgb3RoZXIgbGF5ZXJzLCBpbiBhIGNhc2NhZGUp LiAgQmVuZXMgTmV0d29ya3MgcmVxdWlyZSBkb3VibGUgdGhlCmhhcmR3YXJlIG9mIExhbWJkYSBO ZXR3b3JrcywgYnV0IHRoZSByb3V0aW5nIGRlY2lzaW9uLW1ha2luZyBpcy4uLiBxdWl0ZSBhCmJp dCBtb3JlIGNvbXBsZXgsIGFzIHRoZXJlIGFyZSBhbHdheXMgMiBwYXRocy4KCi0tIApZb3UgYXJl IHJlY2VpdmluZyB0aGlzIG1haWwgYmVjYXVzZToKWW91IGFyZSBvbiB0aGUgQ0MgbGlzdCBmb3Ig dGhlIGJ1Zy4KX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18K bGlicmUtcmlzY3YtZGV2IG1haWxpbmcgbGlzdApsaWJyZS1yaXNjdi1kZXZAbGlzdHMubGlicmUt cmlzY3Yub3JnCmh0dHA6Ly9saXN0cy5saWJyZS1yaXNjdi5vcmcvbWFpbG1hbi9saXN0aW5mby9s aWJyZS1yaXNjdi1kZXYK