From nobody Tue Feb 10 19:18:04 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; 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 Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1624604309109798.1455150445695; Thu, 24 Jun 2021 23:58:29 -0700 (PDT) Received: from localhost ([::1]:56504 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lwfnG-0004qJ-2o for importer@patchew.org; Fri, 25 Jun 2021 02:58:26 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:55812) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lwfjM-0005ov-LT for qemu-devel@nongnu.org; Fri, 25 Jun 2021 02:54:24 -0400 Received: from mail.ilande.co.uk ([2001:41c9:1:41f::167]:58712 helo=mail.default.ilande.bv.iomart.io) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lwfjG-0001r2-Uj for qemu-devel@nongnu.org; Fri, 25 Jun 2021 02:54:24 -0400 Received: from host109-153-84-9.range109-153.btcentralplus.com ([109.153.84.9] helo=kentang.home) by mail.default.ilande.bv.iomart.io with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1lwfj1-0006FO-KD; Fri, 25 Jun 2021 07:54:03 +0100 From: Mark Cave-Ayland To: qemu-devel@nongnu.org, hpoussin@reactos.org, aleksandar.rikalo@syrmia.com, f4bug@amsat.org, aurelien@aurel32.net, jiaxun.yang@flygoat.com, jasowang@redhat.com, fthain@telegraphics.com.au, laurent@vivier.eu Date: Fri, 25 Jun 2021 07:53:55 +0100 Message-Id: <20210625065401.30170-5-mark.cave-ayland@ilande.co.uk> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210625065401.30170-1-mark.cave-ayland@ilande.co.uk> References: <20210625065401.30170-1-mark.cave-ayland@ilande.co.uk> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-SA-Exim-Connect-IP: 109.153.84.9 X-SA-Exim-Mail-From: mark.cave-ayland@ilande.co.uk Subject: [PATCH v2 04/10] hw/m68k/q800: move PROM and checksum calculation from dp8393x device to board X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on mail.default.ilande.bv.iomart.io) 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.default.ilande.bv.iomart.io X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 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" Content-Type: text/plain; charset="utf-8" This is in preparation for each board to have its own separate bit storage format and checksum for storing the MAC address. Signed-off-by: Mark Cave-Ayland Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- hw/m68k/q800.c | 24 ++++++++++++++++++++++-- 1 file changed, 22 insertions(+), 2 deletions(-) diff --git a/hw/m68k/q800.c b/hw/m68k/q800.c index 11376daa85..491f283a17 100644 --- a/hw/m68k/q800.c +++ b/hw/m68k/q800.c @@ -70,6 +70,8 @@ #define NUBUS_SUPER_SLOT_BASE 0x60000000 #define NUBUS_SLOT_BASE 0xf0000000 =20 +#define SONIC_PROM_SIZE 0x1000 + /* * the video base, whereas it a Nubus address, * is needed by the kernel to have early display and @@ -211,8 +213,10 @@ static void q800_init(MachineState *machine) int32_t initrd_size; MemoryRegion *rom; MemoryRegion *io; + MemoryRegion *dp8393x_prom =3D g_new(MemoryRegion, 1); + uint8_t *prom; const int io_slice_nb =3D (IO_SIZE / IO_SLICE) - 1; - int i; + int i, checksum; ram_addr_t ram_size =3D machine->ram_size; const char *kernel_filename =3D machine->kernel_filename; const char *initrd_filename =3D machine->initrd_filename; @@ -319,9 +323,25 @@ static void q800_init(MachineState *machine) sysbus =3D SYS_BUS_DEVICE(dev); sysbus_realize_and_unref(sysbus, &error_fatal); sysbus_mmio_map(sysbus, 0, SONIC_BASE); - sysbus_mmio_map(sysbus, 1, SONIC_PROM_BASE); sysbus_connect_irq(sysbus, 0, qdev_get_gpio_in(glue, 2)); =20 + memory_region_init_rom(dp8393x_prom, NULL, "dp8393x-q800.prom", + SONIC_PROM_SIZE, &error_fatal); + memory_region_add_subregion(get_system_memory(), SONIC_PROM_BASE, + dp8393x_prom); + + /* Add MAC address with valid checksum to PROM */ + prom =3D memory_region_get_ram_ptr(dp8393x_prom); + checksum =3D 0; + for (i =3D 0; i < 6; i++) { + prom[i] =3D nd_table[0].macaddr.a[i]; + checksum +=3D prom[i]; + if (checksum > 0xff) { + checksum =3D (checksum + 1) & 0xff; + } + } + prom[7] =3D 0xff - checksum; + /* SCC */ =20 dev =3D qdev_new(TYPE_ESCC); --=20 2.20.1