aurora.h

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#ifndef __AURORA_H__
#define __AURORA_H__
 
#pragma once
 
#include <stdint.h>
 
 
#define AU_EXPORT  __declspec(dllexport)
#define AU_IMPORT  __declspec(dllimport)
 
#ifdef __AU_KERNEL__
#define AU_FUNC AU_EXPORT
#else
#define AU_FUNC AU_IMPORT
#endif
 
#ifdef __cplusplus
#define AU_EXTERN  extern "C"
#else
#define AU_EXTERN extern
#endif
 
 
#ifdef ARCH_X64
#define KERNEL_STACK_LOCATION   0xFFFFFB0000000000
#elif ARCH_ARM64
#define KERNEL_STACK_LOCATION 0x0000000B00000000
#endif
 
#define KERNEL_STACK_SIZE  40960//16384  //16KiB
 
typedef struct _lbprotocol_ {
    uint64_t initrd_start;
    uint64_t initrd_end;
    uint64_t device_tree_base;
    uint64_t device_tree_end;
    uint64_t device_tree_sz;
    /* we should take care of
     * little boot binary occupied
     * memory area also, becasuse
     * upto the main kernel becomes
     * standalone, we can't neglect
     * little boot code. because memory
     * map data structure, and paging
     * data structures are statically
     * allocated within this region
     */
    uint64_t littleBootStart;
    uint64_t littleBootEnd;
 
    /* usable memory map describes
     * usable memory areas*/
    void* usable_memory_map;
    int usable_region_count;
    uint64_t physicalStart;
    uint64_t physicalEnd;
    uint64_t numberOfPages;
}AuLittleBootProtocol;
 
 
 
#define BOOT_UEFI_x64 1
#define BOOT_UEFI_ARM64 2
#define BOOT_LITTLEBOOT_ARM64 3
typedef struct _KERNEL_BOOT_INFO_ {
    /* Boot type either UEFI_BOOT or BIOS_BOOT */
    int boot_type;
 
    void* allocated_stack;
 
    uint64_t reserved_mem_count;
 
    /* map -- UEFI memory map */
    void *map;
 
    /* descriptor_size -- UEFI memory map descriptor size */
    uint64_t descriptor_size;
 
    /* mem_map_size -- UEFI memory map size */
    uint64_t mem_map_size;
 
    /* graphics_framebuffer -- framebuffer address passed by XNLDR */
    uint32_t* graphics_framebuffer;
 
    /* fb_size -- framebuffer total size */
    size_t   fb_size;
 
    /* X_Resolution -- Total width of the entire display */
    uint16_t  X_Resolution;
 
    /* Y_Resolution -- Total height of the entire display */
    uint16_t   Y_Resolution;
 
    /* pixels_per_line -- scanline of the current display */
    uint16_t   pixels_per_line;
 
    /* redmask, greenmask, bluemask, resvmask -- color mask */
    uint32_t redmask;
    uint32_t greenmask;
    uint32_t bluemask;
    uint32_t resvmask;
 
    /* acpi_table_pointer -- acpi base memory map */
    void*    acpi_table_pointer;
 
    /* kernel_size -- total kernel image size */
    size_t   kernel_size;
 
    /* psf_font_data -- screen font address loaded
    by XNLDR to use for debugging purpose */
    uint8_t* psf_font_data;
 
    /* printf_gui -- character printing function pointer to use
    for debugging purpose provided by XNLDR */
    void(*printf_gui) (const char* text, ...);
 
    /* unused pointer entries */
    uint8_t* driver_entry1;   //OTHER
    uint8_t *driver_entry2;   
    uint8_t *driver_entry3;   
    uint8_t* driver_entry4;   
    uint8_t* driver_entry5;   
    uint8_t* driver_entry6;   
    void*    apcode;
    uint32_t hid;
    uint32_t uid;
    uint32_t cid;
}KERNEL_BOOT_INFO, *PKERNEL_BOOT_INFO;
 
/*
 * AuGetBootInfoStruc -- return kernel boot information
 */
extern KERNEL_BOOT_INFO* AuGetBootInfoStruc();
 
#endif