From nobody Sat Feb 7 04:19:34 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=ilande.co.uk Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1707854850593405.8931554166726; Tue, 13 Feb 2024 12:07:30 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rZz06-0003rz-NS; Tue, 13 Feb 2024 15:03:30 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rZyyq-0002Tf-5J for qemu-devel@nongnu.org; Tue, 13 Feb 2024 15:02:14 -0500 Received: from mail.ilande.co.uk ([2001:41c9:1:41f::167]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rZyyo-0001xu-37 for qemu-devel@nongnu.org; Tue, 13 Feb 2024 15:02:11 -0500 Received: from [2a00:23c4:8bb2:1300:c500:f104:bc51:e670] (helo=localhost.localdomain) by mail.ilande.co.uk with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1rZyh0-0008m4-IN; Tue, 13 Feb 2024 19:43:46 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=ilande.co.uk; s=20220518; h=Subject:Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:To:From:Sender:Reply-To:Cc: Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help: List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=2FAFcHNBlVLQuB2GKtdmyAj++mdJ98v5Jcq+mSJLpUg=; b=LlhKRo4zu0s5JcJ/MvAAh1HCvt gs1sZqZW3fcus8zw5cvF151odD6qW4pj21RuqjBDCFjz5iQe32ukkvmeTfJh2ufvSq1egZtA9FS2Y 9Kg//8uYyDlmpfSD5k8kKhqyNVr3qhtAXWF3AJmiCbKfPB9bfF8wPkZsIJ+ljWRf7K30AI8o8wnkq JpN0WaClxFUxVw5tuqOQF0k5m1Vx3hbOqAjNllIEXECV6eInFl1oTAvAvMtsj0I66wOmqbEjdkCme +JVpdU52q7g8ZHNkgqclfEh1OjREOlU6QRSIMawyacqg3QxeuXl5XIhoAVOkh4Wqv0GBadJ/ramqt MgY9H9grJ5gdy0znlYc1VZ6YLdx+eOQ9N+2kFzxQrSSCDPg8TwxRb5Vyw5ZesEBJf6K2lp+PFxPuD HpSP4ocfF31ihs0MOV/FMdHaRCKkSLC8wXT2ErLsuNq63vuv6qRWq5o2NTQHIcVYDYuX64j1pkrxy D6NwUOczK6Pz4Uoh56N/6xHYPeZYaidpfzNJ3Q9sodjiCyQELDzhztIRrDzVpfG/T/IGYxd5jqL+1 8+kyPgoC0V4kHvSceGHeWJmDp+n9DGVD+PiiEyGU2/SRUkGFSsw/nOdguyo0SZCNz+Cuyc3KApi/c eB6hIDC2tHTjGRgqTteLyigF+3EzvBbuEAKD0ot1Y=; From: Mark Cave-Ayland To: peter.maydell@linaro.org, qemu-devel@nongnu.org Date: Tue, 13 Feb 2024 19:40:26 +0000 Message-Id: <20240213194052.1162753-63-mark.cave-ayland@ilande.co.uk> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240213194052.1162753-1-mark.cave-ayland@ilande.co.uk> References: <20240213194052.1162753-1-mark.cave-ayland@ilande.co.uk> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-SA-Exim-Connect-IP: 2a00:23c4:8bb2:1300:c500:f104:bc51:e670 X-SA-Exim-Mail-From: mark.cave-ayland@ilande.co.uk Subject: [PULL 62/88] esp.c: zero command register when TI command terminates due to phase change X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on mail.ilande.co.uk) Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2001:41c9:1:41f::167; envelope-from=mark.cave-ayland@ilande.co.uk; helo=mail.ilande.co.uk X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1707854851499100003 Content-Type: text/plain; charset="utf-8" This is the behaviour documented in the datasheet and allows the state mach= ine to correctly process multiple consecutive TI commands. Signed-off-by: Mark Cave-Ayland Tested-by: Helge Deller Tested-by: Thomas Huth Message-Id: <20240112125420.514425-63-mark.cave-ayland@ilande.co.uk> Signed-off-by: Mark Cave-Ayland --- hw/scsi/esp.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/hw/scsi/esp.c b/hw/scsi/esp.c index 4c1ca63a57..ccb8ad4bae 100644 --- a/hw/scsi/esp.c +++ b/hw/scsi/esp.c @@ -519,6 +519,7 @@ static void esp_do_dma(ESPState *s) /* ATN remains asserted until TC =3D=3D 0 */ if (esp_get_tc(s) =3D=3D 0) { esp_set_phase(s, STAT_CD); + s->rregs[ESP_CMD] =3D 0; s->rregs[ESP_RSEQ] =3D SEQ_CD; s->rregs[ESP_RINTR] |=3D INTR_BS; esp_raise_irq(s); @@ -717,6 +718,7 @@ static void esp_do_nodma(ESPState *s) */ s->cmdfifo_cdb_offset =3D fifo8_num_used(&s->cmdfifo); esp_set_phase(s, STAT_CD); + s->rregs[ESP_CMD] =3D 0; s->rregs[ESP_RSEQ] =3D SEQ_CD; s->rregs[ESP_RINTR] |=3D INTR_BS; esp_raise_irq(s); @@ -831,6 +833,11 @@ void esp_command_complete(SCSIRequest *req, size_t res= id) */ s->rregs[ESP_RINTR] |=3D INTR_BS | INTR_FC; break; + + case CMD_TI | CMD_DMA: + case CMD_TI: + s->rregs[ESP_CMD] =3D 0; + break; } =20 /* Raise bus service interrupt to indicate change to STATUS phase */ @@ -885,6 +892,7 @@ void esp_transfer_data(SCSIRequest *req, uint32_t len) * Bus service interrupt raised because of initial change to * DATA phase */ + s->rregs[ESP_CMD] =3D 0; s->rregs[ESP_RINTR] |=3D INTR_BS; break; } --=20 2.39.2