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252b8e6899
The efi_system_table adds a efi_boot_memmap configuration table. Signed-off-by: Song Gao <gaosong@loongson.cn> Reviewed-by: Bibo Mao <maobibo@loongson.cn> Message-Id: <20240426091551.2397867-7-gaosong@loongson.cn>
96 lines
2.4 KiB
C
96 lines
2.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Definitions for LoongArch boot.
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*
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* Copyright (C) 2023 Loongson Technology Corporation Limited
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*/
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#ifndef HW_LOONGARCH_BOOT_H
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#define HW_LOONGARCH_BOOT_H
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/* UEFI 2.10 */
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#define EFI_SYSTEM_TABLE_SIGNATURE 0x5453595320494249
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#define EFI_2_100_SYSTEM_TABLE_REVISION ((2<<16) | (100))
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#define EFI_SPECIFICATION_VERSION EFI_SYSTEM_TABLE_REVISION
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#define EFI_SYSTEM_TABLE_REVISION EFI_2_100_SYSTEM_TABLE_REVISION
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#define FW_VERSION 0x1
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#define FW_PATCHLEVEL 0x0
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typedef struct {
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uint8_t b[16];
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} efi_guid_t QEMU_ALIGNED(8);
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#define EFI_GUID(a, b, c, d...) (efi_guid_t){ { \
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(a) & 0xff, ((a) >> 8) & 0xff, ((a) >> 16) & 0xff, ((a) >> 24) & 0xff, \
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(b) & 0xff, ((b) >> 8) & 0xff, \
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(c) & 0xff, ((c) >> 8) & 0xff, d } }
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#define LINUX_EFI_BOOT_MEMMAP_GUID \
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EFI_GUID(0x800f683f, 0xd08b, 0x423a, 0xa2, 0x93, \
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0x96, 0x5c, 0x3c, 0x6f, 0xe2, 0xb4)
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struct efi_config_table {
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efi_guid_t guid;
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uint64_t *ptr;
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const char name[16];
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};
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typedef struct {
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uint64_t signature;
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uint32_t revision;
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uint32_t headersize;
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uint32_t crc32;
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uint32_t reserved;
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} efi_table_hdr_t;
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struct efi_configuration_table {
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efi_guid_t guid;
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void *table;
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};
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struct efi_system_table {
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efi_table_hdr_t hdr;
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uint64_t fw_vendor; /* physical addr of CHAR16 vendor string */
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uint32_t fw_revision;
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uint64_t con_in_handle;
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uint64_t *con_in;
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uint64_t con_out_handle;
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uint64_t *con_out;
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uint64_t stderr_handle;
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uint64_t stderr_placeholder;
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uint64_t *runtime;
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uint64_t *boottime;
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uint64_t nr_tables;
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struct efi_configuration_table *tables;
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};
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typedef struct {
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uint32_t type;
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uint32_t pad;
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uint64_t phys_addr;
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uint64_t virt_addr;
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uint64_t num_pages;
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uint64_t attribute;
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} efi_memory_desc_t;
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struct efi_boot_memmap {
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uint64_t map_size;
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uint64_t desc_size;
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uint32_t desc_ver;
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uint64_t map_key;
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uint64_t buff_size;
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efi_memory_desc_t map[32];
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};
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struct loongarch_boot_info {
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uint64_t ram_size;
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const char *kernel_filename;
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const char *kernel_cmdline;
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const char *initrd_filename;
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uint64_t a0, a1, a2;
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};
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void loongarch_load_kernel(MachineState *ms, struct loongarch_boot_info *info);
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#endif /* HW_LOONGARCH_BOOT_H */
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