67 lines
1.5 KiB
C
67 lines
1.5 KiB
C
/*
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* Copyright (C) 2020 Intel Corporation. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef BOOT_H_
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#define BOOT_H_
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#include <multiboot.h>
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#ifdef CONFIG_MULTIBOOT2
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#include <multiboot2.h>
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#endif
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#include <e820.h>
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#include <zeropage.h>
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#define MAX_BOOTARGS_SIZE 2048U
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#define MAX_MODULE_COUNT 4U
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/* extended flags for acrn multiboot info from multiboot2 */
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#define MULTIBOOT_INFO_HAS_EFI_MMAP 0x00010000U
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#define MULTIBOOT_INFO_HAS_EFI64 0x00020000U
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struct acrn_multiboot_info {
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uint32_t mi_flags; /* the flags is back-compatible with multiboot1 */
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char *mi_cmdline;
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char *mi_loader_name;
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uint32_t mi_mods_count;
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struct multiboot_module mi_mods[MAX_MODULE_COUNT];
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uint32_t mi_drives_length;
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uint32_t mi_drives_addr;
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uint32_t mi_mmap_entries;
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struct multiboot_mmap mi_mmap_entry[E820_MAX_ENTRIES];
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void *mi_acpi_rsdp;
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struct efi_info mi_efi_info;
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};
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/* boot_regs store the multiboot info magic and address */
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extern uint32_t boot_regs[2];
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extern char *efiloader_sig;
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static inline bool boot_from_multiboot1(void)
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{
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return ((boot_regs[0] == MULTIBOOT_INFO_MAGIC) && (boot_regs[1] != 0U));
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}
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#ifdef CONFIG_MULTIBOOT2
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static inline bool boot_from_multiboot2(void)
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{
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return ((boot_regs[0] == MULTIBOOT2_INFO_MAGIC) && (boot_regs[1] != 0U));
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}
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int32_t multiboot2_to_acrn_mbi(struct acrn_multiboot_info *mbi, void *mb2_info);
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#endif
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struct acrn_multiboot_info *get_multiboot_info(void);
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int32_t sanitize_multiboot_info(void);
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void parse_hv_cmdline(void);
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#endif /* BOOT_H_ */
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