46 lines
1.3 KiB
C
46 lines
1.3 KiB
C
#pragma once
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// boot_info.h - shared between bootx64.efi and kernel.exe
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// The bootloader fills this structure and passes a pointer to KernelMain.
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#include <stdint.h>
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#include <memory_map.h>
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#define BOOT_INFO_MAGIC 0x424F4F54494E464FULL /* 'BOOTINFO' */
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#define MAX_BOOT_MODULES 32
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typedef struct BOOT_MODULE {
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char Name[32]; /* e.g. "hal.dll", "ide.sys" */
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uintptr_t VirtBase; /* where it was mapped */
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size_t ImageSize;
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} BOOT_MODULE;
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typedef struct BOOT_INFO {
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uint64_t Magic;
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/* Physical memory. */
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MEMORY_MAP MemoryMap;
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/* GOP framebuffer. */
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uintptr_t FramebufferBase;
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uint32_t FramebufferWidth;
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uint32_t FramebufferHeight;
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uint32_t FramebufferStride; /* pixels per row */
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uint32_t _pad0;
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/* Loaded modules. */
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BOOT_MODULE Modules[MAX_BOOT_MODULES];
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uint32_t ModuleCount;
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uint32_t _pad1;
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char CommandLine[64];
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/* ACPI RSDP physical address (for APIC, HPET). */
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uintptr_t RsdpPhysical;
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/* Direct physical window base - always 0xFFFF880000000000. */
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uintptr_t PhysicalMapBase;
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/* From boot.ini */
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uint32_t DebugEnabled;
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uint32_t _pad2;
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} BOOT_INFO;
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