From patchwork Mon Apr 29 02:30:32 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Song Gao X-Patchwork-Id: 13646193 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 2C91CC4345F for ; Mon, 29 Apr 2024 02:48:12 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1s1H3U-0006LA-Ln; 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 1s1H3Q-0006Ec-Ry 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-00066Q-SG 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 _____8Ax6ulKCi9mE8UEAA--.4348S3; 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--.7424S8; 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 06/17] hw/loongarch: Init efi_boot_memmap table Date: Mon, 29 Apr 2024 10:30:32 +0800 Message-Id: <20240429023043.2607982-7-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--.7424S8 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_boot_memmap configuration table. Signed-off-by: Song Gao Reviewed-by: Bibo Mao Message-Id: <20240426091551.2397867-7-gaosong@loongson.cn> --- hw/loongarch/boot.c | 40 +++++++++++++++++++++++++++++++++++++ hw/loongarch/virt.c | 11 ++-------- include/hw/loongarch/boot.h | 27 +++++++++++++++++++++++++ include/hw/loongarch/virt.h | 10 ++++++++++ 4 files changed, 79 insertions(+), 9 deletions(-) diff --git a/hw/loongarch/boot.c b/hw/loongarch/boot.c index 59889dbc90..527fc9c0be 100644 --- a/hw/loongarch/boot.c +++ b/hw/loongarch/boot.c @@ -63,8 +63,41 @@ static const unsigned int slave_boot_code[] = { 0x4c000020, /* jirl $zero, $ra,0 */ }; +static inline void *guidcpy(void *dst, const void *src) +{ + return memcpy(dst, src, sizeof(efi_guid_t)); +} + +static void init_efi_boot_memmap(struct efi_system_table *systab, + void *p, void *start) +{ + unsigned i; + struct efi_boot_memmap *boot_memmap = p; + efi_guid_t tbl_guid = LINUX_EFI_BOOT_MEMMAP_GUID; + + /* efi_configuration_table 1 */ + guidcpy(&systab->tables[0].guid, &tbl_guid); + systab->tables[0].table = (struct efi_configuration_table *)(p - start); + systab->nr_tables = 1; + + boot_memmap->desc_size = sizeof(efi_memory_desc_t); + boot_memmap->desc_ver = 1; + boot_memmap->map_size = 0; + + efi_memory_desc_t *map = p + sizeof(struct efi_boot_memmap); + for (i = 0; i < memmap_entries; i++) { + map = (void *)boot_memmap + sizeof(*map); + map[i].type = memmap_table[i].type; + map[i].phys_addr = ROUND_UP(memmap_table[i].address, 64 * KiB); + map[i].num_pages = ROUND_DOWN(memmap_table[i].address + + memmap_table[i].length - map[i].phys_addr, 64 * KiB); + p += sizeof(efi_memory_desc_t); + } +} + static void init_systab(struct loongarch_boot_info *info, void *p, void *start) { + void *bp_tables_start; struct efi_system_table *systab = p; info->a2 = p - start; @@ -80,6 +113,13 @@ static void init_systab(struct loongarch_boot_info *info, void *p, void *start) p += ROUND_UP(sizeof(struct efi_system_table), 64 * KiB); systab->tables = p; + bp_tables_start = p; + + init_efi_boot_memmap(systab, p, start); + p += ROUND_UP(sizeof(struct efi_boot_memmap) + + sizeof(efi_memory_desc_t) * memmap_entries, 64 * KiB); + + systab->tables = (struct efi_configuration_table *)(bp_tables_start - start); } static void init_cmdline(struct loongarch_boot_info *info, void *p, void *start) diff --git a/hw/loongarch/virt.c b/hw/loongarch/virt.c index bfb88aedab..708aa8bc60 100644 --- a/hw/loongarch/virt.c +++ b/hw/loongarch/virt.c @@ -378,15 +378,8 @@ static void virt_powerdown_req(Notifier *notifier, void *opaque) acpi_send_event(s->acpi_ged, ACPI_POWER_DOWN_STATUS); } -struct memmap_entry { - uint64_t address; - uint64_t length; - uint32_t type; - uint32_t reserved; -}; - -static struct memmap_entry *memmap_table; -static unsigned memmap_entries; +struct memmap_entry *memmap_table; +unsigned memmap_entries; static void memmap_add_entry(uint64_t address, uint64_t length, uint32_t type) { diff --git a/include/hw/loongarch/boot.h b/include/hw/loongarch/boot.h index cf0e4d4f91..76622af2e2 100644 --- a/include/hw/loongarch/boot.h +++ b/include/hw/loongarch/boot.h @@ -21,6 +21,15 @@ typedef struct { uint8_t b[16]; } efi_guid_t QEMU_ALIGNED(8); +#define EFI_GUID(a, b, c, d...) (efi_guid_t){ { \ + (a) & 0xff, ((a) >> 8) & 0xff, ((a) >> 16) & 0xff, ((a) >> 24) & 0xff, \ + (b) & 0xff, ((b) >> 8) & 0xff, \ + (c) & 0xff, ((c) >> 8) & 0xff, d } } + +#define LINUX_EFI_BOOT_MEMMAP_GUID \ + EFI_GUID(0x800f683f, 0xd08b, 0x423a, 0xa2, 0x93, \ + 0x96, 0x5c, 0x3c, 0x6f, 0xe2, 0xb4) + struct efi_config_table { efi_guid_t guid; uint64_t *ptr; @@ -56,6 +65,24 @@ struct efi_system_table { struct efi_configuration_table *tables; }; +typedef struct { + uint32_t type; + uint32_t pad; + uint64_t phys_addr; + uint64_t virt_addr; + uint64_t num_pages; + uint64_t attribute; +} efi_memory_desc_t; + +struct efi_boot_memmap { + uint64_t map_size; + uint64_t desc_size; + uint32_t desc_ver; + uint64_t map_key; + uint64_t buff_size; + efi_memory_desc_t map[32]; +}; + struct loongarch_boot_info { uint64_t ram_size; const char *kernel_filename; diff --git a/include/hw/loongarch/virt.h b/include/hw/loongarch/virt.h index d7a074d69f..8a9fe4053d 100644 --- a/include/hw/loongarch/virt.h +++ b/include/hw/loongarch/virt.h @@ -35,6 +35,16 @@ #define COMMAND_LINE_SIZE 512 +extern struct memmap_entry *memmap_table; +extern unsigned memmap_entries; + +struct memmap_entry { + uint64_t address; + uint64_t length; + uint32_t type; + uint32_t reserved; +}; + struct LoongArchMachineState { /*< private >*/ MachineState parent_obj;