From nobody Wed Nov 27 00:37:25 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1703665488938867.0098323529578; Wed, 27 Dec 2023 00:24:48 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rIPAd-0006Nf-1d; Wed, 27 Dec 2023 03:21:43 -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 1rIPAW-0006L8-Sq for qemu-devel@nongnu.org; Wed, 27 Dec 2023 03:21:37 -0500 Received: from mail.loongson.cn ([114.242.206.163]) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rIPAR-0002Ja-58 for qemu-devel@nongnu.org; Wed, 27 Dec 2023 03:21:36 -0500 Received: from loongson.cn (unknown [10.2.5.185]) by gateway (Coremail) with SMTP id _____8BxXYd+3otlQPcEAA--.964S3; Wed, 27 Dec 2023 16:21:18 +0800 (CST) Received: from localhost.localdomain (unknown [10.2.5.185]) by localhost.localdomain (Coremail) with SMTP id AQAAf8Bxib153otly4QMAA--.16227S8; Wed, 27 Dec 2023 16:21:17 +0800 (CST) From: Song Gao To: qemu-devel@nongnu.org Cc: richard.henderson@linaro.org, peter.maydell@linaro.org, philmd@linaro.org, maobibo@loongson.cn Subject: [PATCH v3 06/17] hw/loongarch: Init efi_boot_memmap table Date: Wed, 27 Dec 2023 16:08:10 +0800 Message-Id: <20231227080821.3216113-7-gaosong@loongson.cn> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20231227080821.3216113-1-gaosong@loongson.cn> References: <20231227080821.3216113-1-gaosong@loongson.cn> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: AQAAf8Bxib153otly4QMAA--.16227S8 X-CM-SenderInfo: 5jdr20tqj6z05rqj20fqof0/ X-Coremail-Antispam: 1Uk129KBjDUn29KB7ZKAUJUUUUU529EdanIXcx71UUUUU7KY7 ZEXasCq-sGcSsGvfJ3UbIjqfuFe4nvWSU5nxnvy29KBjDU0xBIdaVrnUUvcSsGvfC2Kfnx nUUI43ZEXa7xR_UUUUUUUUU== Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; 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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZM-MESSAGEID: 1703665489784100004 Content-Type: text/plain; charset="utf-8" Signed-off-by: Song Gao --- hw/loongarch/boot.c | 40 +++++++++++++++++++++++++++++++++++++ hw/loongarch/virt.c | 11 ++-------- include/hw/loongarch/boot.h | 27 +++++++++++++++++++++++++ include/hw/loongarch/virt.h | 11 ++++++++++ 4 files changed, 80 insertions(+), 9 deletions(-) diff --git a/hw/loongarch/boot.c b/hw/loongarch/boot.c index b8b44d41f9..4103fb2781 100644 --- a/hw/loongarch/boot.c +++ b/hw/loongarch/boot.c @@ -63,8 +63,43 @@ static unsigned int slave_boot_code[] =3D { 0x4c000020, /* jirl $r0,$r1,0 */ }; =20 +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 =3D p; + efi_guid_t tbl_guid =3D LINUX_EFI_BOOT_MEMMAP_GUID; + + /* efi_configuration_table 1 */ + guidcpy(&systab->tables[0].guid, &tbl_guid); + systab->tables[0].table =3D (struct efi_configuration_table *)(p - sta= rt); + systab->nr_tables =3D 1; + + boot_memmap->desc_size =3D sizeof(efi_memory_desc_t); + boot_memmap->desc_ver =3D 1; + boot_memmap->map_size =3D 0; + + efi_memory_desc_t *map =3D p + sizeof(struct efi_boot_memmap); + for (i =3D 0; i < memmap_entries; i++) { + map =3D (void *)boot_memmap + sizeof(*map); + map[i].type =3D memmap_table[i].type; + map[i].phys_addr =3D memmap_table[i].address; + map[i].num_pages =3D memmap_table[i].length >> 16; /* 64KB align*/ + p +=3D sizeof(efi_memory_desc_t); + } + + p +=3D ROUND_UP(sizeof(struct efi_boot_memmap) + + sizeof(efi_memory_desc_t) * memmap_entries, 64); +} + static void init_systab(struct loongarch_boot_info *info, void *p, void *s= tart) { + void *bp_tables_start; struct efi_system_table *systab =3D p; =20 info->a2 =3D (uint64_t)p - (uint64_t)start; @@ -80,6 +115,11 @@ static void init_systab(struct loongarch_boot_info *inf= o, void *p, void *start) p +=3D ROUND_UP(sizeof(struct efi_system_table), 64); =20 systab->tables =3D p; + bp_tables_start =3D p; + + init_efi_boot_memmap(systab, p, start); + + systab->tables =3D (struct efi_configuration_table *)(bp_tables_start = - start); } =20 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 4794af4825..795c2cd95c 100644 --- a/hw/loongarch/virt.c +++ b/hw/loongarch/virt.c @@ -342,15 +342,8 @@ static void virt_powerdown_req(Notifier *notifier, voi= d *opaque) acpi_send_event(s->acpi_ged, ACPI_POWER_DOWN_STATUS); } =20 -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; =20 static void memmap_add_entry(uint64_t address, uint64_t length, uint32_t t= ype) { diff --git a/include/hw/loongarch/boot.h b/include/hw/loongarch/boot.h index aa12a60ffb..7ad25080c5 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 __attribute__((aligned(8))); =20 +#define EFI_GUID(a, b, c, d...) (efi_guid_t){ { = \ + (a) & 0xff, ((a) >> 8) & 0xff, ((a) >> 16) & 0xff, ((a) >> 24) & 0= xff, \ + (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; }; =20 +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 90cccd9aa1..3e8728f1af 100644 --- a/include/hw/loongarch/virt.h +++ b/include/hw/loongarch/virt.h @@ -31,6 +31,17 @@ #define VIRT_GED_MEM_ADDR (VIRT_GED_EVT_ADDR + ACPI_GED_EVT_SEL_LEN) #define VIRT_GED_REG_ADDR (VIRT_GED_MEM_ADDR + MEMORY_HOTPLUG_IO_LEN) =20 + +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; --=20 2.25.1