bond/include/kernel/hal/mem.h

#ifndef _KERNEL_HAL_MEM_H_
#define _KERNEL_HAL_MEM_H_

/**
 * Kernel Memory Layout
 * ----------------------- 0x0000,0000,0000,0000 - User Space
 * Application       SIZE: 0x0000,8000,0000,0000 (256x PML4)
 * ----------------------- 0x0000,8000,0000,0000
 * Non-canonical
 * ----------------------- 0xFFFF,8000,0000,0000 - Kernel Space
 * Reserved          SIZE: 0x0000,7F00,0000,0000 (254x PML4)
 * ----------------------- 0xFFFF,FF00,0000,0000
 * Page Table        SIZE: 0x0000,0080,0000,0000 (1x PML4)
 * ----------------------- 0xFFFF,FF80,0000,0000
 * Kernel Dynamic    SIZE: 0x0000,007F,8000,0000 (Kernel Dynamic + Kernel Image = 1x PML4)
 * ----------------------- 0xFFFF,FFFF,8000,0000
 * Kernel Image      SIZE: 0x0000,0000,8000,0000
 * ----------------------- 0xFFFF,FFFF,FFFF,FFFF
**/

#define KERNEL_IMAGE_PADDR       (0x1000000)
#define KERNEL_PAGE_SIZE         (0x1000)

#define KERNEL_SPACE_VADDR       (0xFFFF800000000000)
#define KERNEL_RESERVED_VADDR    KERNEL_SPACE_VADDR
#define KERNEL_RESERVED_SIZE     (0x00007F0000000000)
#define KERNEL_PAGE_TABLE_VADDR  (0xFFFFFF0000000000)
#define KERNEL_PAGE_TABLE_SIZE   (0x0000008000000000)
#define KERNEL_DYNAMIC_VADDR     (0xFFFFFF8000000000)
#define KERNEL_DYNAMIC_SIZE      (0x0000007F80000000)
#define KERNEL_IMAGE_VADDR       (0xFFFFFFFF80000000)
#define KERNEL_IMAGE_SIZE        (0x0000000080000000)

#ifndef ASM_FILE

#include "type.h"
#include "lib/linked_list.h"

/**
 * PMM init info
 */
typedef struct
{
	uintptr_t base;
	uint64_t size;
	uint32_t attr;
} pmm_node_t;

typedef struct
{
	uint32_t num_of_nodes;
	pmm_node_t nodes[];
} pmm_info_t;

#endif

#endif