From patchwork Sun Jun 14 18:13:19 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: BALATON Zoltan X-Patchwork-Id: 1309041 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=eik.bme.hu Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 49lNNN2GXNz9sQx for ; Mon, 15 Jun 2020 04:32:04 +1000 (AEST) Received: from localhost ([::1]:59838 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jkXQI-0002he-2l for incoming@patchwork.ozlabs.org; Sun, 14 Jun 2020 14:32:02 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:48800) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jkXLQ-0004Cw-VM; Sun, 14 Jun 2020 14:27:00 -0400 Received: from zero.eik.bme.hu ([2001:738:2001:2001::2001]:52079) by eggs.gnu.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jkXLP-0007ga-0t; Sun, 14 Jun 2020 14:27:00 -0400 Received: from zero.eik.bme.hu (blah.eik.bme.hu [152.66.115.182]) by localhost (Postfix) with SMTP id C9189748DD0; Sun, 14 Jun 2020 20:26:51 +0200 (CEST) Received: by zero.eik.bme.hu (Postfix, from userid 432) id A7C337475FA; Sun, 14 Jun 2020 20:26:43 +0200 (CEST) Message-Id: <076b37ab493049ef05fdeb2b7c0833375833b370.1592158400.git.balaton@eik.bme.hu> In-Reply-To: References: From: BALATON Zoltan Subject: [PATCH v4 2/9] mac_newworld: Allow loading binary ROM image Date: Sun, 14 Jun 2020 20:13:19 +0200 MIME-Version: 1.0 To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org X-Spam-Probability: 8% Received-SPF: pass client-ip=2001:738:2001:2001::2001; envelope-from=balaton@eik.bme.hu; helo=zero.eik.bme.hu X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. 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, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=_AUTOLEARN 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: , Cc: Howard Spoelstra , Mark Cave-Ayland , David Gibson Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Fall back to load binary ROM image if loading ELF fails. This also moves PROM_BASE and PROM_SIZE defines to board as these are matching the ROM size and address on this board. Signed-off-by: BALATON Zoltan --- Notes: Unlike mac_oldworld where the openbios-ppc image loads at end of ROM region here we only check size and assume ELF image is loaded from PROM_BASE, Checking the load addr here is tricky because this board is also be compiled both 64 and 32 bit and load_elf seems to always return 64 bit value so handling that could become a mess. If this is a problem then it's a preexisting one so should be fixed in a separate patch. This one just allows loading ROM binary too otherwise preserving previous behaviour. hw/ppc/mac.h | 2 -- hw/ppc/mac_newworld.c | 22 ++++++++++++++-------- 2 files changed, 14 insertions(+), 10 deletions(-) diff --git a/hw/ppc/mac.h b/hw/ppc/mac.h index 6af87d1fa0..a0d9e47031 100644 --- a/hw/ppc/mac.h +++ b/hw/ppc/mac.h @@ -38,10 +38,8 @@ /* SMP is not enabled, for now */ #define MAX_CPUS 1 -#define BIOS_SIZE (1 * MiB) #define NVRAM_SIZE 0x2000 #define PROM_FILENAME "openbios-ppc" -#define PROM_ADDR 0xfff00000 #define KERNEL_LOAD_ADDR 0x01000000 #define KERNEL_GAP 0x00100000 diff --git a/hw/ppc/mac_newworld.c b/hw/ppc/mac_newworld.c index 3507f26f6e..5c8a625276 100644 --- a/hw/ppc/mac_newworld.c +++ b/hw/ppc/mac_newworld.c @@ -82,6 +82,8 @@ #define NDRV_VGA_FILENAME "qemu_vga.ndrv" +#define PROM_BASE 0xfff00000 +#define PROM_SIZE (1 * MiB) static void fw_cfg_boot_set(void *opaque, const char *boot_device, Error **errp) @@ -100,7 +102,7 @@ static void ppc_core99_reset(void *opaque) cpu_reset(CPU(cpu)); /* 970 CPUs want to get their initial IP as part of their boot protocol */ - cpu->env.nip = PROM_ADDR + 0x100; + cpu->env.nip = PROM_BASE + 0x100; } /* PowerPC Mac99 hardware initialisation */ @@ -153,25 +155,29 @@ static void ppc_core99_init(MachineState *machine) /* allocate RAM */ memory_region_add_subregion(get_system_memory(), 0, machine->ram); - /* allocate and load BIOS */ - memory_region_init_rom(bios, NULL, "ppc_core99.bios", BIOS_SIZE, + /* allocate and load firmware ROM */ + memory_region_init_rom(bios, NULL, "ppc_core99.bios", PROM_SIZE, &error_fatal); + memory_region_add_subregion(get_system_memory(), PROM_BASE, bios); - if (bios_name == NULL) + if (!bios_name) { bios_name = PROM_FILENAME; + } filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name); - memory_region_add_subregion(get_system_memory(), PROM_ADDR, bios); - - /* Load OpenBIOS (ELF) */ if (filename) { + /* Load OpenBIOS (ELF) */ bios_size = load_elf(filename, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 1, PPC_ELF_MACHINE, 0, 0); + if (bios_size <= 0) { + /* or load binary ROM image */ + bios_size = load_image_targphys(filename, PROM_BASE, PROM_SIZE); + } g_free(filename); } else { bios_size = -1; } - if (bios_size < 0 || bios_size > BIOS_SIZE) { + if (bios_size < 0 || bios_size > PROM_SIZE) { error_report("could not load PowerPC bios '%s'", bios_name); exit(1); }