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[2620:137:e000::1:20]) by mx.google.com with ESMTP id ds11-20020a170907724b00b006fee1b3070csi328905ejc.553.2022.05.25.19.59.24; Wed, 25 May 2022 19:59:50 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@ventanamicro.com header.s=google header.b=UBPZWH+T; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245065AbiEYPMZ (ORCPT + 99 others); Wed, 25 May 2022 11:12:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47886 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S245075AbiEYPLu (ORCPT ); Wed, 25 May 2022 11:11:50 -0400 Received: from mail-pj1-x102c.google.com (mail-pj1-x102c.google.com [IPv6:2607:f8b0:4864:20::102c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8085FB0D04 for ; Wed, 25 May 2022 08:11:41 -0700 (PDT) Received: by mail-pj1-x102c.google.com with SMTP id cs3-20020a17090af50300b001e0808b5838so4425040pjb.1 for ; Wed, 25 May 2022 08:11:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ventanamicro.com; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=qOKTXeNWDM3OWSCFHqvRVjau9Hc7oDvh7tjC+k8jq/o=; b=UBPZWH+TATz2VkNVjv3l2uIGgs0f1hNmfKu7UsCQSpxOzNfX5uqFHquZe8kNsXXQt3 BBCLl7nupfFq0WQFWWHfPkBOiIa9/ew/QhkawAL+2nW1czDfTbqXjob/WnYtw5XrT+jg B1xb4KceFpgK1vSRD9I1CLCGHyHo03oThdHhNh8BuL19b7UyfuhcqLvsfTNVoKdHuw7z U7dYiJnG03VkJJdBriok+RoqEbdYmn/kJ8GgPr/WvK3g51iR00AhGx385tiqh/+cShSw l0MgmcAbdSlv76GMNFW5D0zhfaUPWjXU7Hq5cZ2nuurJFE+SiUluGvCiOSRw4kON6eaV dtzg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=qOKTXeNWDM3OWSCFHqvRVjau9Hc7oDvh7tjC+k8jq/o=; b=GkBhhdWadJTeQP3WupKp/740JRbIWZQb9NNCdqfKMXVxUwvVFYS28fc7YwtMt/Zz6u /0aeqr1mUwMJQthKchKD3NN3olaSgeyKZPJJSXhmr0v+/vNrFhxsMOkyPmeJcGn67H6h zkgV758/nrMaoheeySJOxwIaN241eKWpRYLdj04lr32Na/lhgnozeVfNUefGB6G6+gBz B70srG62WXcVjY4HBXnLPubKEgZV1dqUPLgyWvdAwl7W6wkBtIwr4HM4APc60Apya+Sq MVieGXAj8ylDIXjBEav0FDUZ+ItzF1SFUBWYK2Rs44exxP3E4UUE/1Pu/AHL6DkupLEN PzwA== X-Gm-Message-State: AOAM531Lapf06JReaZFJWoWS9xlI/Fdshz4AY9LHiafUuLtoriqk72Cz KQYaHI8TmpL7tbt9LM94G8IjAgsxN7g5Lw== X-Received: by 2002:a17:902:d707:b0:15f:42a:bc62 with SMTP id w7-20020a170902d70700b0015f042abc62mr33373118ply.98.1653491500360; Wed, 25 May 2022 08:11:40 -0700 (PDT) Received: from kerodipc.Dlink ([49.206.9.238]) by smtp.gmail.com with ESMTPSA id q16-20020a170902eb9000b00161b50c3db4sm9383129plg.94.2022.05.25.08.11.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 25 May 2022 08:11:40 -0700 (PDT) From: Sunil V L To: Paul Walmsley , Palmer Dabbelt , Albert Ou , Daniel Lezcano , Thomas Gleixner , Ard Biesheuvel , Marc Zyngier , Atish Patra , Heinrich Schuchardt , Anup Patel Cc: linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, linux-efi@vger.kernel.org, Sunil V L , Sunil V L Subject: [PATCH 5/5] riscv/efi_stub: Support for 64bit boot-hartid Date: Wed, 25 May 2022 20:41:06 +0530 Message-Id: <20220525151106.2176147-6-sunilvl@ventanamicro.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220525151106.2176147-1-sunilvl@ventanamicro.com> References: <20220525151106.2176147-1-sunilvl@ventanamicro.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The boot-hartid can be a 64bit value on RV64 platforms. Currently, the "boot-hartid" in DT is assumed to be 32bit only. This patch detects the size of the "boot-hartid" and uses 32bit or 64bit FDT reads appropriately. Signed-off-by: Sunil V L --- drivers/firmware/efi/libstub/riscv-stub.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/drivers/firmware/efi/libstub/riscv-stub.c b/drivers/firmware/efi/libstub/riscv-stub.c index 9e85e58d1f27..d748533f1329 100644 --- a/drivers/firmware/efi/libstub/riscv-stub.c +++ b/drivers/firmware/efi/libstub/riscv-stub.c @@ -29,7 +29,7 @@ static int get_boot_hartid_from_fdt(void) { const void *fdt; int chosen_node, len; - const fdt32_t *prop; + const void *prop; fdt = get_efi_config_table(DEVICE_TREE_GUID); if (!fdt) @@ -40,10 +40,16 @@ static int get_boot_hartid_from_fdt(void) return -EINVAL; prop = fdt_getprop((void *)fdt, chosen_node, "boot-hartid", &len); - if (!prop || len != sizeof(u32)) + if (!prop) + return -EINVAL; + + if (len == sizeof(u32)) + hartid = (unsigned long) fdt32_to_cpu(*(fdt32_t *)prop); + else if (len == sizeof(u64)) + hartid = (unsigned long) fdt64_to_cpu(*(fdt64_t *)prop); + else return -EINVAL; - hartid = fdt32_to_cpu(*prop); return 0; } -- 2.25.1