From patchwork Sun Oct 18 15:59:18 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Mark Cave-Ayland X-Patchwork-Id: 271036 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.9 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, UNWANTED_LANGUAGE_BODY, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 26005C433DF for ; Sun, 18 Oct 2020 16:16:45 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id B479220773 for ; Sun, 18 Oct 2020 16:16:44 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B479220773 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ilande.co.uk Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:50102 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kUBMR-0005ZP-RN for qemu-devel@archiver.kernel.org; Sun, 18 Oct 2020 12:16:43 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:53018) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kUB6p-0002yT-Jt; Sun, 18 Oct 2020 12:00:35 -0400 Received: from mail.ilande.co.uk ([2001:41c9:1:41f::167]:60434 helo=mail.default.ilande.uk0.bigv.io) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kUB6m-0004Y0-2N; Sun, 18 Oct 2020 12:00:35 -0400 Received: from host86-148-246-80.range86-148.btcentralplus.com ([86.148.246.80] helo=kentang.home) by mail.default.ilande.uk0.bigv.io with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1kUB6j-0001FH-FR; Sun, 18 Oct 2020 17:00:35 +0100 From: Mark Cave-Ayland To: peter.maydell@linaro.org, qemu-devel@nongnu.org, qemu-ppc@nongnu.org, david@gibson.dropbear.id.au, atar4qemu@gmail.com Date: Sun, 18 Oct 2020 16:59:18 +0100 Message-Id: <20201018155919.21200-13-mark.cave-ayland@ilande.co.uk> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20201018155919.21200-1-mark.cave-ayland@ilande.co.uk> References: <20201018155919.21200-1-mark.cave-ayland@ilande.co.uk> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 86.148.246.80 X-SA-Exim-Mail-From: mark.cave-ayland@ilande.co.uk Subject: [PULL 12/13] mac_oldworld: Drop some variables 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.uk0.bigv.io) Received-SPF: pass client-ip=2001:41c9:1:41f::167; envelope-from=mark.cave-ayland@ilande.co.uk; helo=mail.default.ilande.uk0.bigv.io 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, 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: BALATON Zoltan Values not used frequently enough may not worth putting in a local variable, especially with names almost as long as the original value because that does not improve readability, to the contrary it makes it harder to see what value is used. Drop a few such variables. Signed-off-by: BALATON Zoltan Reviewed-by: Mark Cave-Ayland Reviewed-by: Philippe Mathieu-Daudé Message-Id: Signed-off-by: Mark Cave-Ayland --- hw/ppc/mac_oldworld.c | 35 +++++++++++++++++------------------ 1 file changed, 17 insertions(+), 18 deletions(-) diff --git a/hw/ppc/mac_oldworld.c b/hw/ppc/mac_oldworld.c index 1abf26b5b4..e34680f980 100644 --- a/hw/ppc/mac_oldworld.c +++ b/hw/ppc/mac_oldworld.c @@ -83,14 +83,11 @@ static void ppc_heathrow_reset(void *opaque) static void ppc_heathrow_init(MachineState *machine) { ram_addr_t ram_size = machine->ram_size; - const char *kernel_filename = machine->kernel_filename; - const char *kernel_cmdline = machine->kernel_cmdline; - const char *initrd_filename = machine->initrd_filename; const char *boot_device = machine->boot_order; PowerPCCPU *cpu = NULL; CPUPPCState *env = NULL; char *filename; - int linux_boot, i; + int i; MemoryRegion *bios = g_new(MemoryRegion, 1); uint32_t kernel_base, initrd_base, cmdline_base = 0; int32_t kernel_size, initrd_size; @@ -109,8 +106,6 @@ static void ppc_heathrow_init(MachineState *machine) void *fw_cfg; uint64_t tbfreq; - linux_boot = (kernel_filename != NULL); - /* init CPUs */ for (i = 0; i < smp_cpus; i++) { cpu = POWERPC_CPU(cpu_create(machine->cpu_type)); @@ -147,7 +142,7 @@ static void ppc_heathrow_init(MachineState *machine) bios_addr = (uint32_t)bios_addr; if (bios_size <= 0) { - /* or load binary ROM image */ + /* or if could not load ELF try loading a binary ROM image */ bios_size = load_image_targphys(filename, PROM_BASE, PROM_SIZE); bios_addr = PROM_BASE; } @@ -160,7 +155,7 @@ static void ppc_heathrow_init(MachineState *machine) exit(1); } - if (linux_boot) { + if (machine->kernel_filename) { int bswap_needed; #ifdef BSWAP_NEEDED @@ -169,29 +164,32 @@ static void ppc_heathrow_init(MachineState *machine) bswap_needed = 0; #endif kernel_base = KERNEL_LOAD_ADDR; - kernel_size = load_elf(kernel_filename, NULL, + kernel_size = load_elf(machine->kernel_filename, NULL, translate_kernel_address, NULL, NULL, NULL, NULL, NULL, 1, PPC_ELF_MACHINE, 0, 0); if (kernel_size < 0) - kernel_size = load_aout(kernel_filename, kernel_base, + kernel_size = load_aout(machine->kernel_filename, kernel_base, ram_size - kernel_base, bswap_needed, TARGET_PAGE_SIZE); if (kernel_size < 0) - kernel_size = load_image_targphys(kernel_filename, + kernel_size = load_image_targphys(machine->kernel_filename, kernel_base, ram_size - kernel_base); if (kernel_size < 0) { - error_report("could not load kernel '%s'", kernel_filename); + error_report("could not load kernel '%s'", + machine->kernel_filename); exit(1); } /* load initrd */ - if (initrd_filename) { - initrd_base = TARGET_PAGE_ALIGN(kernel_base + kernel_size + KERNEL_GAP); - initrd_size = load_image_targphys(initrd_filename, initrd_base, + if (machine->initrd_filename) { + initrd_base = TARGET_PAGE_ALIGN(kernel_base + kernel_size + + KERNEL_GAP); + initrd_size = load_image_targphys(machine->initrd_filename, + initrd_base, ram_size - initrd_base); if (initrd_size < 0) { error_report("could not load initial ram disk '%s'", - initrd_filename); + machine->initrd_filename); exit(1); } cmdline_base = TARGET_PAGE_ALIGN(initrd_base + initrd_size); @@ -343,9 +341,10 @@ static void ppc_heathrow_init(MachineState *machine) fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, ARCH_HEATHROW); fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, kernel_base); fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size); - if (kernel_cmdline) { + if (machine->kernel_cmdline) { fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, cmdline_base); - pstrcpy_targphys("cmdline", cmdline_base, TARGET_PAGE_SIZE, kernel_cmdline); + pstrcpy_targphys("cmdline", cmdline_base, TARGET_PAGE_SIZE, + machine->kernel_cmdline); } else { fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, 0); }