From patchwork Mon Apr 29 02:30:31 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: gaosong X-Patchwork-Id: 13646197 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 838F1C19F4F for ; Mon, 29 Apr 2024 02:48:51 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1s1H3a-0006XS-EV; Sun, 28 Apr 2024 22:47:58 -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 1s1H3R-0006Ej-4G for qemu-devel@nongnu.org; Sun, 28 Apr 2024 22:47:45 -0400 Received: from mail.loongson.cn ([114.242.206.163]) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1s1H3M-00066O-DD for qemu-devel@nongnu.org; Sun, 28 Apr 2024 22:47:44 -0400 Received: from loongson.cn (unknown [10.2.5.185]) by gateway (Coremail) with SMTP id _____8CxBetKCi9mEcUEAA--.4839S3; Mon, 29 Apr 2024 10:47:38 +0800 (CST) Received: from localhost.localdomain (unknown [10.2.5.185]) by localhost.localdomain (Coremail) with SMTP id AQAAf8BxkFVECi9mp6QJAA--.7424S7; Mon, 29 Apr 2024 10:47:36 +0800 (CST) From: Song Gao To: qemu-devel@nongnu.org Cc: richard.henderson@linaro.org, Bibo Mao Subject: [PULL v2 05/17] hw/loongarch: Init efi_system_table Date: Mon, 29 Apr 2024 10:30:31 +0800 Message-Id: <20240429023043.2607982-6-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--.7424S7 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 Add init_systab and set boot_info->a2 Signed-off-by: Song Gao Reviewed-by: Bibo Mao Message-Id: <20240426091551.2397867-6-gaosong@loongson.cn> --- hw/loongarch/boot.c | 22 +++++++++++++++++ include/hw/loongarch/boot.h | 48 +++++++++++++++++++++++++++++++++++++ 2 files changed, 70 insertions(+) diff --git a/hw/loongarch/boot.c b/hw/loongarch/boot.c index 127085bcc4..59889dbc90 100644 --- a/hw/loongarch/boot.c +++ b/hw/loongarch/boot.c @@ -63,6 +63,25 @@ static const unsigned int slave_boot_code[] = { 0x4c000020, /* jirl $zero, $ra,0 */ }; +static void init_systab(struct loongarch_boot_info *info, void *p, void *start) +{ + struct efi_system_table *systab = p; + + info->a2 = p - start; + + systab->hdr.signature = EFI_SYSTEM_TABLE_SIGNATURE; + systab->hdr.revision = EFI_SPECIFICATION_VERSION; + systab->hdr.revision = sizeof(struct efi_system_table), + systab->fw_revision = FW_VERSION << 16 | FW_PATCHLEVEL << 8; + systab->runtime = 0; + systab->boottime = 0; + systab->nr_tables = 0; + + p += ROUND_UP(sizeof(struct efi_system_table), 64 * KiB); + + systab->tables = p; +} + static void init_cmdline(struct loongarch_boot_info *info, void *p, void *start) { hwaddr cmdline_addr = p - start; @@ -134,6 +153,7 @@ static void reset_load_elf(void *opaque) if (cpu == LOONGARCH_CPU(first_cpu)) { env->gpr[4] = env->boot_info->a0; env->gpr[5] = env->boot_info->a1; + env->gpr[6] = env->boot_info->a2; } cpu_set_pc(CPU(cpu), env->elf_address); } @@ -178,6 +198,8 @@ static void init_boot_rom(struct loongarch_boot_info *info, void *p) init_cmdline(info, p, start); p += COMMAND_LINE_SIZE; + + init_systab(info, p, start); } static void loongarch_direct_kernel_boot(struct loongarch_boot_info *info) diff --git a/include/hw/loongarch/boot.h b/include/hw/loongarch/boot.h index 3275c1e295..cf0e4d4f91 100644 --- a/include/hw/loongarch/boot.h +++ b/include/hw/loongarch/boot.h @@ -8,6 +8,54 @@ #ifndef HW_LOONGARCH_BOOT_H #define HW_LOONGARCH_BOOT_H +/* UEFI 2.10 */ +#define EFI_SYSTEM_TABLE_SIGNATURE 0x5453595320494249 +#define EFI_2_100_SYSTEM_TABLE_REVISION ((2<<16) | (100)) +#define EFI_SPECIFICATION_VERSION EFI_SYSTEM_TABLE_REVISION +#define EFI_SYSTEM_TABLE_REVISION EFI_2_100_SYSTEM_TABLE_REVISION + +#define FW_VERSION 0x1 +#define FW_PATCHLEVEL 0x0 + +typedef struct { + uint8_t b[16]; +} efi_guid_t QEMU_ALIGNED(8); + +struct efi_config_table { + efi_guid_t guid; + uint64_t *ptr; + const char name[16]; +}; + +typedef struct { + uint64_t signature; + uint32_t revision; + uint32_t headersize; + uint32_t crc32; + uint32_t reserved; +} efi_table_hdr_t; + +struct efi_configuration_table { + efi_guid_t guid; + void *table; +}; + +struct efi_system_table { + efi_table_hdr_t hdr; + uint64_t fw_vendor; /* physical addr of CHAR16 vendor string */ + uint32_t fw_revision; + uint64_t con_in_handle; + uint64_t *con_in; + uint64_t con_out_handle; + uint64_t *con_out; + uint64_t stderr_handle; + uint64_t stderr_placeholder; + uint64_t *runtime; + uint64_t *boottime; + uint64_t nr_tables; + struct efi_configuration_table *tables; +}; + struct loongarch_boot_info { uint64_t ram_size; const char *kernel_filename;