From patchwork Mon Jun 29 18:55:26 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: BALATON Zoltan X-Patchwork-Id: 279105 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=-7.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED 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 09B8AC433E1 for ; Mon, 29 Jun 2020 19:30:25 +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 D187A2081A for ; Mon, 29 Jun 2020 19:30:24 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D187A2081A Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=eik.bme.hu Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:41570 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jpzU0-0003vu-2i for qemu-devel@archiver.kernel.org; Mon, 29 Jun 2020 15:30:24 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:51540) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jpzRF-00080w-2p; Mon, 29 Jun 2020 15:27:33 -0400 Received: from zero.eik.bme.hu ([2001:738:2001:2001::2001]:42885) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jpzRC-0002GW-Co; Mon, 29 Jun 2020 15:27:32 -0400 Received: from zero.eik.bme.hu (blah.eik.bme.hu [152.66.115.182]) by localhost (Postfix) with SMTP id 4CCA2748DD1; Mon, 29 Jun 2020 21:27:18 +0200 (CEST) Received: by zero.eik.bme.hu (Postfix, from userid 432) id 14B577482D3; Mon, 29 Jun 2020 21:27:18 +0200 (CEST) Message-Id: <5e9db897c3b48bce89891599c55752acfae1b892.1593456926.git.balaton@eik.bme.hu> In-Reply-To: References: From: BALATON Zoltan Subject: [PATCH v7 4/8] mac_oldworld: Drop some variables Date: Mon, 29 Jun 2020 20:55:26 +0200 MIME-Version: 1.0 To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" 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 --- hw/ppc/mac_oldworld.c | 33 ++++++++++++++++----------------- 1 file changed, 16 insertions(+), 17 deletions(-) diff --git a/hw/ppc/mac_oldworld.c b/hw/ppc/mac_oldworld.c index d1c4244b1e..4200008851 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; @@ -108,8 +105,6 @@ 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)); @@ -159,7 +154,7 @@ static void ppc_heathrow_init(MachineState *machine) exit(1); } - if (linux_boot) { + if (machine->kernel_filename) { uint64_t lowaddr = 0; int bswap_needed; @@ -169,30 +164,33 @@ 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, &lowaddr, 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); @@ -336,9 +334,10 @@ 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); }