From patchwork Mon Apr 29 02:30:34 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: gaosong X-Patchwork-Id: 13646191 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 5EFF2C4345F for ; Mon, 29 Apr 2024 02:47:53 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1s1H3U-0006Mc-Rd; Sun, 28 Apr 2024 22:47:48 -0400 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 1s1H3S-0006GS-26 for qemu-devel@nongnu.org; Sun, 28 Apr 2024 22:47:46 -0400 Received: from mail.loongson.cn ([114.242.206.163]) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1s1H3O-00066f-Ex for qemu-devel@nongnu.org; Sun, 28 Apr 2024 22:47:45 -0400 Received: from loongson.cn (unknown [10.2.5.185]) by gateway (Coremail) with SMTP id _____8CxR+lMCi9mFsUEAA--.4198S3; Mon, 29 Apr 2024 10:47:40 +0800 (CST) Received: from localhost.localdomain (unknown [10.2.5.185]) by localhost.localdomain (Coremail) with SMTP id AQAAf8BxkFVECi9mp6QJAA--.7424S10; Mon, 29 Apr 2024 10:47:38 +0800 (CST) From: Song Gao To: qemu-devel@nongnu.org Cc: richard.henderson@linaro.org, Bibo Mao Subject: [PULL v2 08/17] hw/loongarch: Init efi_fdt table Date: Mon, 29 Apr 2024 10:30:34 +0800 Message-Id: <20240429023043.2607982-9-gaosong@loongson.cn> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20240429023043.2607982-1-gaosong@loongson.cn> References: <20240429023043.2607982-1-gaosong@loongson.cn> MIME-Version: 1.0 X-CM-TRANSID: AQAAf8BxkFVECi9mp6QJAA--.7424S10 X-CM-SenderInfo: 5jdr20tqj6z05rqj20fqof0/ X-Coremail-Antispam: 1Uk129KBjDUn29KB7ZKAUJUUUUU529EdanIXcx71UUUUU7KY7 ZEXasCq-sGcSsGvfJ3UbIjqfuFe4nvWSU5nxnvy29KBjDU0xBIdaVrnUUvcSsGvfC2Kfnx nUUI43ZEXa7xR_UUUUUUUUU== Received-SPF: pass client-ip=114.242.206.163; envelope-from=gaosong@loongson.cn; helo=mail.loongson.cn 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: 2.1.29 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-bounces+qemu-devel=archiver.kernel.org@nongnu.org The efi_system_table adds a efi_fdt configuration table. Signed-off-by: Song Gao Reviewed-by: Bibo Mao Message-Id: <20240426091551.2397867-9-gaosong@loongson.cn> --- hw/loongarch/boot.c | 11 +++++++++++ hw/loongarch/virt.c | 6 ++---- include/hw/loongarch/boot.h | 4 ++++ include/hw/loongarch/virt.h | 2 ++ 4 files changed, 19 insertions(+), 4 deletions(-) diff --git a/hw/loongarch/boot.c b/hw/loongarch/boot.c index c8b3e742b4..7d1630b2e7 100644 --- a/hw/loongarch/boot.c +++ b/hw/loongarch/boot.c @@ -113,6 +113,16 @@ static void init_efi_initrd_table(struct efi_system_table *systab, initrd_table->size = initrd_size; } +static void init_efi_fdt_table(struct efi_system_table *systab) +{ + efi_guid_t tbl_guid = DEVICE_TREE_GUID; + + /* efi_configuration_table 3 */ + guidcpy(&systab->tables[2].guid, &tbl_guid); + systab->tables[2].table = (void *)FDT_BASE; + systab->nr_tables = 3; +} + static void init_systab(struct loongarch_boot_info *info, void *p, void *start) { void *bp_tables_start; @@ -138,6 +148,7 @@ static void init_systab(struct loongarch_boot_info *info, void *p, void *start) sizeof(efi_memory_desc_t) * memmap_entries, 64 * KiB); init_efi_initrd_table(systab, p, start); p += ROUND_UP(sizeof(struct efi_initrd), 64 * KiB); + init_efi_fdt_table(systab); systab->tables = (struct efi_configuration_table *)(bp_tables_start - start); } diff --git a/hw/loongarch/virt.c b/hw/loongarch/virt.c index 708aa8bc60..42e5df8a24 100644 --- a/hw/loongarch/virt.c +++ b/hw/loongarch/virt.c @@ -727,7 +727,6 @@ static void loongarch_init(MachineState *machine) int nb_numa_nodes = machine->numa_state->num_nodes; NodeInfo *numa_info = machine->numa_state->nodes; int i; - hwaddr fdt_base; const CPUArchIdList *possible_cpus; MachineClass *mc = MACHINE_GET_CLASS(machine); CPUState *cpu; @@ -857,12 +856,11 @@ static void loongarch_init(MachineState *machine) * Put the FDT into the memory map as a ROM image: this will ensure * the FDT is copied again upon reset, even if addr points into RAM. */ - fdt_base = 1 * MiB; qemu_fdt_dumpdtb(machine->fdt, lams->fdt_size); - rom_add_blob_fixed_as("fdt", machine->fdt, lams->fdt_size, fdt_base, + rom_add_blob_fixed_as("fdt", machine->fdt, lams->fdt_size, FDT_BASE, &address_space_memory); qemu_register_reset_nosnapshotload(qemu_fdt_randomize_seeds, - rom_ptr_for_as(&address_space_memory, fdt_base, lams->fdt_size)); + rom_ptr_for_as(&address_space_memory, FDT_BASE, lams->fdt_size)); lams->bootinfo.ram_size = ram_size; loongarch_load_kernel(machine, &lams->bootinfo); diff --git a/include/hw/loongarch/boot.h b/include/hw/loongarch/boot.h index 42d1ee3663..4ebcc89dcf 100644 --- a/include/hw/loongarch/boot.h +++ b/include/hw/loongarch/boot.h @@ -34,6 +34,10 @@ typedef struct { EFI_GUID(0x5568e427, 0x68fc, 0x4f3d, 0xac, 0x74, \ 0xca, 0x55, 0x52, 0x31, 0xcc, 0x68) +#define DEVICE_TREE_GUID \ + EFI_GUID(0xb1b621d5, 0xf19c, 0x41a5, 0x83, 0x0b, \ + 0xd9, 0x15, 0x2c, 0x69, 0xaa, 0xe0) + struct efi_config_table { efi_guid_t guid; uint64_t *ptr; diff --git a/include/hw/loongarch/virt.h b/include/hw/loongarch/virt.h index 8a9fe4053d..4e14bf6060 100644 --- a/include/hw/loongarch/virt.h +++ b/include/hw/loongarch/virt.h @@ -35,6 +35,8 @@ #define COMMAND_LINE_SIZE 512 +#define FDT_BASE 0x100000 + extern struct memmap_entry *memmap_table; extern unsigned memmap_entries;