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(unknown [43.156.43.207]) by localhost.localdomain (Coremail) with SMTP id AQAAf8AxTs2Y1OllbElQAA--.15045S8; Thu, 07 Mar 2024 22:52:26 +0800 (CST) From: Song Gao To: qemu-devel@nongnu.org Cc: peter.maydell@linaro.org, Song Gao Subject: [PULL 06/17] hw/loongarch: Init efi_boot_memmap table Date: Thu, 7 Mar 2024 22:51:56 +0800 Message-Id: <20240307145207.247913-7-gaosong@loongson.cn> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240307145207.247913-1-gaosong@loongson.cn> References: <20240307145207.247913-1-gaosong@loongson.cn> MIME-Version: 1.0 X-CM-TRANSID: AQAAf8AxTs2Y1OllbElQAA--.15045S8 X-CM-SenderInfo: 5jdr20tqj6z05rqj20fqof0/ X-Coremail-Antispam: 1Uk129KBj93XoWxGF48ArWruryxJr43Gr43XFc_yoWrKFykpF yavr93Krs5GF17XrZ3Jw1jqFnxJrs7KF12ga47JryFvw47XrnrZF1rAa4DZFykJ34FkasY vFn5K3yjgF4xZwcCm3ZEXasCq-sJn29KB7ZKAUJUUUUU529EdanIXcx71UUUUU7KY7ZEXa sCq-sGcSsGvfJ3Ic02F40EFcxC0VAKzVAqx4xG6I80ebIjqfuFe4nvWSU5nxnvy29KBjDU 0xBIdaVrnRJUUUk2b4IE77IF4wAFF20E14v26r1j6r4UM7CY07I20VC2zVCF04k26cxKx2 IYs7xG6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48v e4kI8wA2z4x0Y4vE2Ix0cI8IcVAFwI0_Gr0_Xr1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI 0_Gr0_Cr1l84ACjcxK6I8E87Iv67AKxVW8Jr0_Cr1UM28EF7xvwVC2z280aVCY1x0267AK xVW8Jr0_Cr1UM2AIxVAIcxkEcVAq07x20xvEncxIr21l57IF6xkI12xvs2x26I8E6xACxx 1l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xIIjxv20xvE14v26r1q6rW5McIj6I8E87Iv 67AKxVW8JVWxJwAm72CE4IkC6x0Yz7v_Jr0_Gr1lF7xvr2IYc2Ij64vIr41l42xK82IYc2 Ij64vIr41l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1lx2IqxVAqx4xG67AKxVWUJVWUGwC20s02 6x8GjcxK67AKxVWUGVWUWwC2zVAF1VAY17CE14v26r1Y6r17MIIYrxkI7VAKI48JMIIF0x vE2Ix0cI8IcVAFwI0_Gr0_Xr1lIxAIcVC0I7IYx2IY6xkF7I0E14v26r4j6F4UMIIF0xvE 42xK8VAvwI8IcIk0rVWUJVWUCwCI42IY6I8E87Iv67AKxVW8JVWxJwCI42IY6I8E87Iv6x kF7I0E14v26r4j6r4UJbIYCTnIWIevJa73UjIFyTuYvjxU2F4iUUUUU 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Signed-off-by: Song Gao Message-Id: <20240301093839.663947-7-gaosong@loongson.cn> --- hw/loongarch/boot.c | 39 +++++++++++++++++++++++++++++++++++++ hw/loongarch/virt.c | 11 ++--------- include/hw/loongarch/boot.h | 27 +++++++++++++++++++++++++ include/hw/loongarch/virt.h | 10 ++++++++++ 4 files changed, 78 insertions(+), 9 deletions(-) diff --git a/hw/loongarch/boot.c b/hw/loongarch/boot.c index 769212fce2..c086070bc8 100644 --- a/hw/loongarch/boot.c +++ b/hw/loongarch/boot.c @@ -62,8 +62,40 @@ static const unsigned int slave_boot_code[] = { 0x4c000020, /* jirl $r0,$r1,0 */ }; +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 = memmap_table[i].address; + map[i].num_pages = memmap_table[i].length >> 16; /* 64KB align*/ + 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 = (uint64_t)p - (uint64_t)start; @@ -79,6 +111,13 @@ static void init_systab(struct loongarch_boot_info *info, void *p, void *start) p += ROUND_UP(sizeof(struct efi_system_table), 64); 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); + + 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 bbd5cc1d4d..8981b57b12 100644 --- a/hw/loongarch/virt.c +++ b/hw/loongarch/virt.c @@ -377,15 +377,8 @@ 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 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))); +#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;