From patchwork Mon Dec 18 09:00:47 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: gaosong X-Patchwork-Id: 13496459 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 38FEEC46CA2 for ; Mon, 18 Dec 2023 09:16:44 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rF9hR-0000wo-Lj; Mon, 18 Dec 2023 04:14:09 -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 1rF9hP-0000vh-DY for qemu-devel@nongnu.org; Mon, 18 Dec 2023 04:14:07 -0500 Received: from mail.loongson.cn ([114.242.206.163]) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rF9hL-0007Tn-Ts for qemu-devel@nongnu.org; Mon, 18 Dec 2023 04:14:07 -0500 Received: from loongson.cn (unknown [10.2.5.185]) by gateway (Coremail) with SMTP id _____8DxE_BVDYBlKf4BAA--.10492S3; Mon, 18 Dec 2023 17:13:57 +0800 (CST) Received: from localhost.localdomain (unknown [10.2.5.185]) by localhost.localdomain (Coremail) with SMTP id AQAAf8CxXeFRDYBlVfMJAA--.47541S7; Mon, 18 Dec 2023 17:13:57 +0800 (CST) From: Song Gao To: qemu-devel@nongnu.org Cc: richard.henderson@linaro.org, philmd@linaro.org, peter.maydell@linaro.org, maobibo@loongson.cn Subject: [PATCH v2 05/17] hw/loongarch: Init efi_system_table Date: Mon, 18 Dec 2023 17:00:47 +0800 Message-Id: <20231218090059.2678224-6-gaosong@loongson.cn> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20231218090059.2678224-1-gaosong@loongson.cn> References: <20231218090059.2678224-1-gaosong@loongson.cn> MIME-Version: 1.0 X-CM-TRANSID: AQAAf8CxXeFRDYBlVfMJAA--.47541S7 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, T_SCC_BODY_TEXT_LINE=-0.01 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 --- hw/loongarch/boot.c | 39 +++++++++++++++++++++++++++++ include/hw/loongarch/boot.h | 50 +++++++++++++++++++++++++++++++++++++ 2 files changed, 89 insertions(+) diff --git a/hw/loongarch/boot.c b/hw/loongarch/boot.c index 076e795714..7d043fd718 100644 --- a/hw/loongarch/boot.c +++ b/hw/loongarch/boot.c @@ -16,10 +16,14 @@ enum { SLAVE_BOOT, + EFI_SYSTAB, + EFI_TABLES, }; static const MemMapEntry loader_rommap[] = { [SLAVE_BOOT] = {0xf100000, 0x10000}, + [EFI_SYSTAB] = {0xf200000, 0x10000}, + [EFI_TABLES] = {0xf300000, 0x10000}, }; static unsigned int slave_boot_code[] = { @@ -70,6 +74,39 @@ static unsigned int slave_boot_code[] = { 0x4c000020, /* jirl $r0,$r1,0 */ }; +static void init_systab(struct loongarch_boot_info *info) +{ + struct efi_system_table *systab; + struct efi_configuration_table *efi_tables; + systab = g_malloc0(loader_rommap[EFI_SYSTAB].size); + efi_tables = g_malloc0(loader_rommap[EFI_TABLES].size); + + 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; + systab->tables = efi_tables; + + rom_add_blob_fixed("tables_rom", efi_tables, + loader_rommap[EFI_TABLES].size, + loader_rommap[EFI_TABLES].base); + + systab->tables = (struct efi_configuration_table *) + loader_rommap[EFI_TABLES].base; + + rom_add_blob_fixed("systab_rom", systab, + loader_rommap[EFI_SYSTAB].size, + loader_rommap[EFI_SYSTAB].base); + + info->a2 = loader_rommap[EFI_SYSTAB].base; + + g_free(systab); + g_free(efi_tables); +} + static int init_cmdline(struct loongarch_boot_info *info) { hwaddr cmdline_addr; @@ -134,6 +171,7 @@ static int64_t load_kernel_info(struct loongarch_boot_info *info) } init_cmdline(info); + init_systab(info); return kernel_entry; } @@ -148,6 +186,7 @@ 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); } diff --git a/include/hw/loongarch/boot.h b/include/hw/loongarch/boot.h index 3275c1e295..4ee116b25d 100644 --- a/include/hw/loongarch/boot.h +++ b/include/hw/loongarch/boot.h @@ -8,6 +8,56 @@ #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 + +#define EFI_MAX_CONFIGURATION_TABLES 16 + +typedef struct { + uint8_t b[16]; +} efi_guid_t __attribute__((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; + 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;