From patchwork Tue Feb 28 07:45:22 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bin Meng X-Patchwork-Id: 1749338 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.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=) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4PQqFw0l5qz1yWy for ; Tue, 28 Feb 2023 18:47:16 +1100 (AEDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pWuhO-0007MT-O3; Tue, 28 Feb 2023 02:46:58 -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 1pWuhG-0007LS-Hs; Tue, 28 Feb 2023 02:46:51 -0500 Received: from bg4.exmail.qq.com ([43.154.221.58]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pWuhD-0000Ji-UM; Tue, 28 Feb 2023 02:46:49 -0500 X-QQ-mid: bizesmtp66t1677570391tlvb54im Received: from pek-vx-bsp2.wrs.com ( [60.247.85.88]) by bizesmtp.qq.com (ESMTP) with id ; Tue, 28 Feb 2023 15:46:29 +0800 (CST) X-QQ-SSF: 01200000000000D0E000000A0000000 X-QQ-FEAT: 86xnumbl2QyMeHDDFnFKwrOMi9WaprPMZ6E96eVNHm5gijbPNxE5x/OqHAAe1 Y2eWE20Hf418RyKRbT+uMN9pMklku09E9KJwBCLwTBjDGpEf+FwpG7L1dOSoUqdD7qYI2pv NWcSOAjQYfkIb4RXDgQ7b5bdpOjPhxIXz6VNit0pV7VyV2B0yv9NjnfPHqEsYis9Ho+dk4G 425V1VnpWGkvDO/liJcvYyO70lVtcXSDKqDRS5UJHbjWfkbDqTzPlIOIQvVj0Km7otAU6zA iA/+kVhZc6TFBhpOSJW9TtCUdcgod7m1ZGv23tveAUj25HZ+YmuKpCCHyy783qupfjcD1+9 uyAeBupgynOoptY8Im3pBM69nmskxd4n7r+jgPICl/+zLiiEy8= X-QQ-GoodBg: 0 From: Bin Meng To: qemu-devel@nongnu.org Cc: Daniel Henrique Barboza , Alistair Francis , Bin Meng , Liu Zhiwei , Palmer Dabbelt , Weiwei Li , qemu-riscv@nongnu.org Subject: [PATCH v2 2/2] hw/riscv: Move the dtb load bits outside of create_fdt() Date: Tue, 28 Feb 2023 15:45:22 +0800 Message-Id: <20230228074522.1845007-2-bmeng@tinylab.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230228074522.1845007-1-bmeng@tinylab.org> References: <20230228074522.1845007-1-bmeng@tinylab.org> MIME-Version: 1.0 X-QQ-SENDSIZE: 520 Feedback-ID: bizesmtp:tinylab.org:qybglogicsvr:qybglogicsvr3 Received-SPF: pass client-ip=43.154.221.58; envelope-from=bmeng@tinylab.org; helo=bg4.exmail.qq.com 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_MSPIKE_H2=-0.001, 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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Move the dtb load bits outside of create_fdt(), and put it explicitly in sifive_u_machine_init() and virt_machine_init(). With such change create_fdt() does exactly what its function name tells us. Suggested-by: Daniel Henrique Barboza Signed-off-by: Bin Meng Reviewed-by: Daniel Henrique Barboza --- Changes in v2: - new patch: Move the dtb load bits outside of create_fdt() include/hw/riscv/sifive_u.h | 1 + hw/riscv/sifive_u.c | 31 +++++++++++++++---------------- hw/riscv/virt.c | 29 ++++++++++++++--------------- 3 files changed, 30 insertions(+), 31 deletions(-) diff --git a/include/hw/riscv/sifive_u.h b/include/hw/riscv/sifive_u.h index 65af306963..0696f85942 100644 --- a/include/hw/riscv/sifive_u.h +++ b/include/hw/riscv/sifive_u.h @@ -68,6 +68,7 @@ typedef struct SiFiveUState { /*< public >*/ SiFiveUSoCState soc; + int fdt_size; bool start_in_flash; uint32_t msel; diff --git a/hw/riscv/sifive_u.c b/hw/riscv/sifive_u.c index 76db5ed3dd..35a335b8d0 100644 --- a/hw/riscv/sifive_u.c +++ b/hw/riscv/sifive_u.c @@ -99,7 +99,7 @@ static void create_fdt(SiFiveUState *s, const MemMapEntry *memmap, MachineState *ms = MACHINE(s); uint64_t mem_size = ms->ram_size; void *fdt; - int cpu, fdt_size; + int cpu; uint32_t *cells; char *nodename; uint32_t plic_phandle, prci_phandle, gpio_phandle, phandle = 1; @@ -112,19 +112,10 @@ static void create_fdt(SiFiveUState *s, const MemMapEntry *memmap, "sifive,plic-1.0.0", "riscv,plic0" }; - if (ms->dtb) { - fdt = ms->fdt = load_device_tree(ms->dtb, &fdt_size); - if (!fdt) { - error_report("load_device_tree() failed"); - exit(1); - } - return; - } else { - fdt = ms->fdt = create_device_tree(&fdt_size); - if (!fdt) { - error_report("create_device_tree() failed"); - exit(1); - } + fdt = ms->fdt = create_device_tree(&s->fdt_size); + if (!fdt) { + error_report("create_device_tree() failed"); + exit(1); } qemu_fdt_setprop_string(fdt, "/", "model", "SiFive HiFive Unleashed A00"); @@ -561,8 +552,16 @@ static void sifive_u_machine_init(MachineState *machine) qdev_connect_gpio_out(DEVICE(&(s->soc.gpio)), 10, qemu_allocate_irq(sifive_u_machine_reset, NULL, 0)); - /* create device tree */ - create_fdt(s, memmap, riscv_is_32bit(&s->soc.u_cpus)); + /* load/create device tree */ + if (machine->dtb) { + machine->fdt = load_device_tree(machine->dtb, &s->fdt_size); + if (!machine->fdt) { + error_report("load_device_tree() failed"); + exit(1); + } + } else { + create_fdt(s, memmap, riscv_is_32bit(&s->soc.u_cpus)); + } if (s->start_in_flash) { /* diff --git a/hw/riscv/virt.c b/hw/riscv/virt.c index 0c7b4a1e46..53ed2e8369 100644 --- a/hw/riscv/virt.c +++ b/hw/riscv/virt.c @@ -1008,19 +1008,10 @@ static void create_fdt(RISCVVirtState *s, const MemMapEntry *memmap) uint32_t irq_pcie_phandle = 1, irq_virtio_phandle = 1; uint8_t rng_seed[32]; - if (ms->dtb) { - ms->fdt = load_device_tree(ms->dtb, &s->fdt_size); - if (!ms->fdt) { - error_report("load_device_tree() failed"); - exit(1); - } - return; - } else { - ms->fdt = create_device_tree(&s->fdt_size); - if (!ms->fdt) { - error_report("create_device_tree() failed"); - exit(1); - } + ms->fdt = create_device_tree(&s->fdt_size); + if (!ms->fdt) { + error_report("create_device_tree() failed"); + exit(1); } qemu_fdt_setprop_string(ms->fdt, "/", "model", "riscv-virtio,qemu"); @@ -1505,8 +1496,16 @@ static void virt_machine_init(MachineState *machine) } virt_flash_map(s, system_memory); - /* create device tree */ - create_fdt(s, memmap); + /* load/create device tree */ + if (machine->dtb) { + machine->fdt = load_device_tree(machine->dtb, &s->fdt_size); + if (!machine->fdt) { + error_report("load_device_tree() failed"); + exit(1); + } + } else { + create_fdt(s, memmap); + } s->machine_done.notify = virt_machine_done; qemu_add_machine_init_done_notifier(&s->machine_done);