From: bugzilla-daemon Date: Fri, 1 May 2020 18:54:22 +0000 (+0000) Subject: [libre-riscv-dev] [Bug 296] idea: cyclic buffer between FUs and register file X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=c58dc23843ae3c7d89e89d0b226318a09269a97d;p=libre-riscv-dev.git [libre-riscv-dev] [Bug 296] idea: cyclic buffer between FUs and register file --- diff --git a/3f/039790b8c6cec751d1fc1305465dfc6ea4a129 b/3f/039790b8c6cec751d1fc1305465dfc6ea4a129 new file mode 100644 index 0000000..af43987 --- /dev/null +++ b/3f/039790b8c6cec751d1fc1305465dfc6ea4a129 @@ -0,0 +1,118 @@ +Return-path: +Envelope-to: publicinbox@libre-riscv.org +Delivery-date: Fri, 01 May 2020 19:54:24 +0100 +Received: from localhost ([::1] helo=libre-riscv.org) + by libre-soc.org with esmtp (Exim 4.89) + (envelope-from ) + id 1jUano-0004s9-07; Fri, 01 May 2020 19:54:23 +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 1jUanl-0004rq-Su + for libre-riscv-dev@lists.libre-riscv.org; Fri, 01 May 2020 19:54:22 +0100 +From: bugzilla-daemon@libre-soc.org +To: libre-riscv-dev@lists.libre-riscv.org +Date: Fri, 01 May 2020 18:54:22 +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" + +aHR0cHM6Ly9idWdzLmxpYnJlLXNvYy5vcmcvc2hvd19idWcuY2dpP2lkPTI5NgoKLS0tIENvbW1l +bnQgIzYgZnJvbSBMdWtlIEtlbm5ldGggQ2Fzc29uIExlaWdodG9uIDxsa2NsQGxrY2wubmV0PiAt +LS0KKEluIHJlcGx5IHRvIEphY29iIExpZnNoYXkgZnJvbSBjb21tZW50ICMyKQo+IFNlZW1zIGxp +a2UgYSBnb29kIGlkZWEsIGhvd2V2ZXIgb3V0LW9mLW9yZGVyIChhbmQgaW4tb3JkZXIpIHByb2Nl +c3NvcnMKPiBkZXBlbmQgb24gc2luZ2xlLWN5Y2xlIGZvcndhcmRpbmcgYmV0d2VlbiB0aGUgcmVz +dWx0cyBvZiBvbmUgb3BlcmF0aW9uIGFuZAo+IHRoZSBpbnB1dCBvZiB0aGUgbmV4dCBmb3IgbW9z +dCBvZiB0aGVpciBwZXJmb3JtYW5jZSwgdGhlIGZvcndhcmRpbmcgbmV0d29yawo+IHdvdWxkIG5l +ZWQgdG8ga2VlcCB0aGF0IHByb3BlcnR5IChoYXZlbid0IGZ1bGx5IHRob3VnaHQgdGhyb3VnaCBp +ZiB0aGlzIGlkZWEKPiBrZWVwcyB0aGF0IHByb3BlcnR5KS4KCmx1Y2tpbHksIGluIGEgRGVwZW5k +ZW5jeS1NYXRyaXgtYmFzZWQgc3lzdGVtLCBub3RoaW5nIGlzIHRpbWluZy1kZXBlbmRlbnQuCnRo +ZSBETXMgKHRoZSBjb21iaW5hdGlvbiBvZiB0aGUgRlUtUmVncyBhbmQgRlUtRlUgbWF0cmljZXMp +IHByZXNlcnZlIGEKRGlyZWN0ZWQgQWN5Y2xpYyBHcmFwaCBvZiB0aGUgcmVsYXRpb25zaGlwcyBi +ZXR3ZWVuIGFsbCBpbi1mbGlnaHQgb3BlcmF0aW9ucywKYmFzZWQgb24gdGhlIHJlZ2lzdGVyIG51 +bWJlcnMsICpub3QqIGJhc2VkIG9uIHRoZSB0aW1lIHRha2VuIHRvIGNvbXBsZXRpb24KKm9mKiBl +YWNoIG9wZXJhdGlvbiwgaW4gYW55IHdheS4gIEZTTXMsIHBpcGVsaW5lcywgYXN5bmMgRlVzLAp2 +YXJpYWJsZS1waXBlbGluZXMsCml0J3MgYWxsIHRoZSBzYW1lIHRvIHRoZSA2NjAwLURNcy4KCnRo +ZXJlZm9yZSAodGhlIHBvaW50IG9mIGV4cGxhaW5pbmcgdGhhdCBpczopIGl0IGRvZXNuJ3QgX2Fj +dHVhbGx5XyBtYXR0ZXIgaWYKdGhlIGZvcndhcmRpbmcgYmV0d2VlbiByZXN1bHQgbGF0Y2hlcyBh +dCB0aGUgb3V0cHV0IHNpZGUgb2YgdGhlIEZ1bmN0aW9uIFVuaXRzCmlzIGRlbGF5ZWQgZXZlbiA1 +LTIwIGN5Y2xlcyBpbiByZWFjaGluZyB0aGUgaW5wdXQgbGF0Y2hlcyBvZiB0aGUgRlVzIHRoYXQg +bmVlZAp0aGF0IHJlc3VsdC4KCmJ0dyBpbiB0aGUgb3JpZ2luYWwgNjYwMCwgcmVnZmlsZSByZWFk +IHdhcyBkb25lIG9uIHRoZSBsZWFkaW5nIGVkZ2UsIHJlZ2ZpbGUKd3JpdGUKd2FzIGRvbmUgb24g +dGhlIGZhbGxpbmcgZWRnZS4gIHRoaXMgaGFkIHRoZSBmYXNjaW5hdGluZyBwcm9wZXJ0eSB0aGF0 +IHRoZQpkYXRhIGNvbWluZyBpbiBvbiBhIHdyaXRlIGNvdWxkIGJlIGF2YWlsYWJsZSBvbiB0aGUg +KnNhbWUqIGNsb2NrIGN5Y2xlIGFzIGEKcmVhZCwgZWZmZWN0aXZlbHkgbWFraW5nIHRoZSByZWdp +c3RlciBmaWxlIGl0cyBvd24gIkZvcndhcmRpbmcgQnVzIi4KCmFueXdheTogdW5saWtlIHRoZSA2 +NjAwLCB3ZSBoYXZlIGEgYml0IG9mIGEgcHJvYmxlbSBpbiB0aGF0IHdlIGNhbm5vdCBoYXZlCm1h +c3NpdmUKcmVnaXN0ZXIgZmlsZSBwb3J0aW5nLiAgdGhlIDY2MDAncyAiQSIgcmVnZmlsZSBoYWQg +KkZJVkUqIHJlYWQgcG9ydHMgYW5kICpUV08qCndyaXRlIHBvcnRzIQoKd2UgYXJlIGdvaW5nIHRv +IGJlIHVuZGVyLXBvcnRlZCBiZWNhdXNlIGl0J3Mgbm90IHJlYWxseSBwcmFjdGljYWwgdG8gZGVz +aWduIGEKbXVsdGktcG9ydGVkIChtdWx0aS13cml0ZSkgU1JBTSBpbiB0aGUgdGltZSB0aGF0IHdl +IGhhdmUgKGFuZCB0aGVpciBnYXRlIGNvdW50CmFuZCBwb3dlciBjb25zdW1wdGlvbiBpcyBwcmV0 +dHkgaGlnaCkuICBzbywgdGhlcmVmb3JlLCB0aGVyZSB3aWxsIGJlIHF1aXRlIGEKZmV3CnRpbWVz +IHdoZXJlIGRhdGEgaXMgZ2VuZXJhdGVkIGZhc3RlciB0aGFuIGl0IGNhbiBiZSB3cml0dGVuIHRv +IHRoZSByZWdmaWxlLgoKdGhlcmVmb3JlLCBvcGVyYW5kLWZvcndhcmRpbmcgLSBldmVuIGlmIGl0 +J3MgYSBjb3VwbGUgb2YgY3ljbGVzIGRlbGF5ZWQgLSBpcwphY3R1YWxseSBnb2luZyB0byByZWFs +bHkgaW1wb3J0YW50LgoKTE9BRC1TVE9SRSBDb21wdXRhdGlvbiBVbml0cywgdGhlIExPQUQgaW4g +VVBEQVRFIG1vZGUgY2FuIGdlbmVyYXRlICp0d28qCnJlZ2lzdGVyIHdyaXRlcy4gIGZvcnR1bmF0 +ZWx5LCB0aGUgQUREUi1HRU4gc2lkZSBtYXkgYmUgYXZhaWxhYmxlIG9uZSBjbG9jawpjeWNsZSAq +YmVmb3JlKiB0aGUgYWN0dWFsIExPQUQgcmVzdWx0LiAgaG93ZXZlciB3ZSBuZWVkIHRvIHBsYW4g +Zm9yIHdvcnN0LWNhc2U6CnRoYXQgdGhlIHR3byBhcmUgYXZhaWxhYmxlIHNpbXVsdGFuZW91c2x5 +LgoKd2hhdCB3ZSBkbyAqbm90KiB3YW50IHRvIGhhcHBlbiBpcyB0aGF0IGp1c3QgYmVjYXVzZSB0 +aGVyZSBpcyBvbmx5IDFXIG9uIHRoZQpyZWdmaWxlLCB0aGUgdHdvIHdyaXRlcyBmcm9tIExPQUQt +VVBEQVRFbW9kZSBjYXVzZXMgYSBib3R0bGVuZWNrIHRocm91Z2ggdGhlCnJlZ2ZpbGUsIHdoZW4g +dHJ5aW5nIHRvIGdldCBlaXRoZXIgb2YgdGhvc2UgdHdvIHdyaXRlcyB0byB0aGUgRnVuY3Rpb25V +bml0cwp3YWl0aW5nIGZvciB0aGVtLgoKdGhlcmVmb3JlLCBpZiB0aGUgY3ljbGljIGJ1ZmZlciBj +YW4gZm9yd2FyZCBhdCBsZWFzdCBvbmUgb2YgdGhvc2UgcmVzdWx0cwppbnRvIHRoZSAqcmVhZCog +Y3ljbGljIGJ1ZmZlciwgdGhlbjoKCiogb25lIG9mIHRoZSB3cml0ZXMgd2lsbCBnbyB0aHJvdWdo +IHRoZSByZWdmaWxlIGFuZCAoaWYgd2UgZGVzaWduIGl0CiAgcmlnaHQsIGEgbGEgNjYwMCByZWdm +aWxlKSAqYmFjayogb3V0IHRocm91Z2ggb25lIG9mIHRoZSByZWFkIHBvcnRzCiAgKm9uIHRoZSBz +YW1lIGNsb2NrIGN5Y2xlKgoKKiB0aGUgb3RoZXIgd3JpdGUgd2lsbCBnbyB0aHJvdWdoIHRoZSBl +bmQgb2YgdGhlIHdyaXRlIGN5Y2xpYyBidWZmZXIgaW50bwogIHRoZSBiZWdpbm5pbmcgb2YgdGhl +IHJlYWQgY3ljbGljIGJ1ZmZlciwgYW5kIGlmIHRoZSBGdW5jdGlvbiBVbml0IHRoYXQKICBuZWVk +cyB0aGF0IHJlZ2lzdGVyIGhhcHBlbnMgdG8gYmUgUkQxIChSRVFfUkQxIGlzIGFzc2VydGVkKSBp +dCAqd2lsbCoKICBnZXQgdGhhdCByZXN1bHQgb24gdGhlIHNhbWUgY2xvY2sgY3ljbGUuCgogIGlm +IG5vdCwgaXQgd2lsbCBnZXQgaXQgb24gdGhlIG5leHQgY2xvY2sgKHdoZW4gc2hpZnQtcGFzc2Vk +IHRvIFJEMikuCgotLSAKWW91IGFyZSByZWNlaXZpbmcgdGhpcyBtYWlsIGJlY2F1c2U6CllvdSBh +cmUgb24gdGhlIENDIGxpc3QgZm9yIHRoZSBidWcuCl9fX19fX19fX19fX19fX19fX19fX19fX19f +X19fX19fX19fX19fX19fX19fX19fCmxpYnJlLXJpc2N2LWRldiBtYWlsaW5nIGxpc3QKbGlicmUt +cmlzY3YtZGV2QGxpc3RzLmxpYnJlLXJpc2N2Lm9yZwpodHRwOi8vbGlzdHMubGlicmUtcmlzY3Yu +b3JnL21haWxtYW4vbGlzdGluZm8vbGlicmUtcmlzY3YtZGV2Cg== +