From patchwork Mon Dec 18 09:00:49 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: gaosong X-Patchwork-Id: 13496450 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 9DADAC46CD2 for ; Mon, 18 Dec 2023 09:14:57 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rF9hS-0000wu-9x; Mon, 18 Dec 2023 04:14:10 -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-0000vr-PL 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 1rF9hN-0007UF-2F 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 _____8DxBOtaDYBlNv4BAA--.6495S3; Mon, 18 Dec 2023 17:14:02 +0800 (CST) Received: from localhost.localdomain (unknown [10.2.5.185]) by localhost.localdomain (Coremail) with SMTP id AQAAf8CxXeFRDYBlVfMJAA--.47541S9; Mon, 18 Dec 2023 17:13:59 +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 07/17] hw/loongarch: Init efi_initrd table Date: Mon, 18 Dec 2023 17:00:49 +0800 Message-Id: <20231218090059.2678224-8-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--.47541S9 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 Signed-off-by: Song Gao --- hw/loongarch/boot.c | 29 +++++++++++++++++++++++++++-- include/hw/loongarch/boot.h | 9 +++++++++ 2 files changed, 36 insertions(+), 2 deletions(-) diff --git a/hw/loongarch/boot.c b/hw/loongarch/boot.c index 5d963176bd..1600ae6e55 100644 --- a/hw/loongarch/boot.c +++ b/hw/loongarch/boot.c @@ -14,11 +14,15 @@ #include "qemu/error-report.h" #include "sysemu/reset.h" +ram_addr_t initrd_offset; +uint64_t initrd_size; + enum { SLAVE_BOOT, EFI_SYSTAB, EFI_TABLES, EFI_MEMMAP, + EFI_INITRD, }; static const MemMapEntry loader_rommap[] = { @@ -26,6 +30,7 @@ static const MemMapEntry loader_rommap[] = { [EFI_SYSTAB] = {0xf200000, 0x10000}, [EFI_TABLES] = {0xf300000, 0x10000}, [EFI_MEMMAP] = {0xf400000, 0x10000}, + [EFI_INITRD] = {0xf500000, 0x10000}, }; static unsigned int slave_boot_code[] = { @@ -117,6 +122,26 @@ static void init_efi_boot_memmap(struct efi_system_table *systab) g_free(boot_memmap); } +static void init_efi_initrd_table(struct efi_system_table *systab) +{ + efi_guid_t tbl_guid = LINUX_EFI_INITRD_MEDIA_GUID; + struct efi_initrd *initrd_table = g_malloc0(loader_rommap[EFI_INITRD].size); + + initrd_table->base = initrd_offset; + initrd_table->size = initrd_size; + + rom_add_blob_fixed("initrd_tbl_rom", initrd_table, + loader_rommap[EFI_INITRD].size, + loader_rommap[EFI_INITRD].base); + + /* efi_configuration_table 2 */ + guidcpy(&systab->tables[1].guid, &tbl_guid); + systab->tables[1].table = (void *)loader_rommap[EFI_INITRD].base; + systab->nr_tables = 2; + + g_free(initrd_table); +} + static void init_systab(struct loongarch_boot_info *info) { struct efi_system_table *systab; @@ -134,6 +159,7 @@ static void init_systab(struct loongarch_boot_info *info) systab->tables = efi_tables; init_efi_boot_memmap(systab); + init_efi_initrd_table(systab); rom_add_blob_fixed("tables_rom", efi_tables, loader_rommap[EFI_TABLES].size, @@ -173,8 +199,7 @@ static uint64_t cpu_loongarch_virt_to_phys(void *opaque, uint64_t addr) static int64_t load_kernel_info(struct loongarch_boot_info *info) { - uint64_t kernel_entry, kernel_low, kernel_high, initrd_size; - ram_addr_t initrd_offset; + uint64_t kernel_entry, kernel_low, kernel_high; ssize_t kernel_size; kernel_size = load_elf(info->kernel_filename, NULL, diff --git a/include/hw/loongarch/boot.h b/include/hw/loongarch/boot.h index bef9ab659e..e482b829f7 100644 --- a/include/hw/loongarch/boot.h +++ b/include/hw/loongarch/boot.h @@ -32,6 +32,10 @@ typedef struct { EFI_GUID(0x800f683f, 0xd08b, 0x423a, 0xa2, 0x93, \ 0x96, 0x5c, 0x3c, 0x6f, 0xe2, 0xb4) +#define LINUX_EFI_INITRD_MEDIA_GUID \ + EFI_GUID(0x5568e427, 0x68fc, 0x4f3d, 0xac, 0x74, \ + 0xca, 0x55, 0x52, 0x31, 0xcc, 0x68) + struct efi_config_table { efi_guid_t guid; uint64_t *ptr; @@ -85,6 +89,11 @@ struct efi_boot_memmap { efi_memory_desc_t map[32]; }; +struct efi_initrd { + uint64_t base; + uint64_t size; +}; + struct loongarch_boot_info { uint64_t ram_size; const char *kernel_filename;