39 lines
1.3 KiB
C
39 lines
1.3 KiB
C
#pragma once
|
|
|
|
/**
|
|
* 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
|
|
**/
|
|
|
|
/**
|
|
* kernel loaded at physical address 16MB
|
|
* 0x1000000 = 16777216 = 16 * 1024 * 1024
|
|
*/
|
|
#define KERNEL_IMAGE_PADDR (0x1000000)
|
|
#define KERNEL_PAGE_SIZE (0x1000)
|
|
|
|
|
|
#define KERNEL_SPACE_VADDR (0xFFFF800000000000)
|
|
#define KERNEL_RESERVED_VADDR KERNEL_SPACE_VADDR
|
|
#define KERNEL_PAGE_TABLE_VADDR (0xFFFFFF0000000000)
|
|
#define KERNEL_DYNAMIC_VADDR (0xFFFFFF8000000000)
|
|
|
|
/**
|
|
* Minus 2GB
|
|
*/
|
|
#define KERNEL_IMAGE_VADDR (0xFFFFFFFF80000000)
|
|
#define KERNEL_IMAGE_OFFSET (KERNEL_IMAGE_PADDR)
|
|
|