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identity=mailfrom; envelope-from="miller@hamnavoe.com"; helo=mx2.mythic-beasts.com; client-ip=46.235.227.24 Received: from mx2.mythic-beasts.com (mx2.mythic-beasts.com [46.235.227.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by tb-mx1.topicbox.com (Postfix) with ESMTPS for <9fans@9fans.net>; Fri, 1 Sep 2023 04:18:55 -0400 (EDT) (envelope-from miller@hamnavoe.com) Received: by mailhub-hex-d.mythic-beasts.com with esmtpsa (TLS1.2) tls TLS_RSA_WITH_AES_256_CBC_SHA (Exim 4.94.2) (envelope-from ) id 1qbzMi-00Ccpf-G3 for 9fans@9fans.net; Fri, 01 Sep 2023 09:18:52 +0100 Message-ID: To: 9fans@9fans.net Subject: Re: [9fans] RPi in QEMU From: Richard Miller <9fans@hamnavoe.com> Date: Fri, 1 Sep 2023 09:18:51 +0100 In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-BlackCat-Spam-Score: 1 Topicbox-Policy-Reasoning: allow: sender is a member Topicbox-Message-UUID: 35260e5e-48a0-11ee-b2ef-8b8c5766930a Archived-At: =?UTF-8?B?PGh0dHBzOi8vOWZhbnMudG9waWNib3guY29tL2dyb3Vwcy85?= =?UTF-8?B?ZmFucy9UNWRhNTQ2NzA5N2U0ZWFiMi1NNWJiOTdiOGNhMmFmZjZlOWY5ODBk?= =?UTF-8?B?NjAxPg==?= List-Help: List-Id: "9fans" <9fans.9fans.net> List-Post: List-Software: Topicbox v0 List-Subscribe: Precedence: list Reply-To: 9fans <9fans@9fans.net> List-Unsubscribe: , Topicbox-Delivery-ID: 2:9fans:437d30aa-c441-11e9-8a57-d036212d11b0:522be890-2105-11eb-b15e-8d699134e1fa:M5bb97b8ca2aff6e9f980d601:1:PkXFnz4t-YDi581Wtvmr9JLkq163oc332HoUDsH9ZR8 don.bailey@gmail.com: > Hmm, I've applied the patches and built the kernel. I can see the image > loaded at 0x80010000, but it is spinning at address 0xffff000c; is this a > sdmmc load loop? I think that's a trap address. On ARM we re-map the trap vectors away from address 0 to a high segment. > I'm using version 8.0.0 of QEMU. What version are you using, Mr. Miller? Mine is 7.2.4 (just installed it on Debian 12). > Also, since the SD takes seconds to load and not ms/us, how long are you > waiting until you see something printed on the console...? After the 'Multiblock =3D 0' patch is applied, SD card transfers take about 2 milliseconds on my elderly thinkpad. > Curious if I'm > just running very slow, or if there is still something buggy going on... The trap is a bug which I'm not seeing. Do you get any console messages fir= st? > Thanks for responding and adding some patches. I am trying to follow along > to make it work, if you don't mind a bit of back and forth :-) Maybe do the back & forth off list, unless anyone else is interested? -- Richard ------------------------------------------ 9fans: 9fans Permalink: https://9fans.topicbox.com/groups/9fans/T5da5467097e4eab2-M5bb97= b8ca2aff6e9f980d601 Delivery options: https://9fans.topicbox.com/groups/9fans/subscription