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kernel_map.h File Reference

The memory map of the kernel. More...

Go to the source code of this file.

Defines
#define	K_PHYS_ADDR   0x100000
	Physiscal address of the kernel (don't touch!!!).
#define	K_PDE   0x1000
	Kernel Page Directory (don't touch!!!).
#define	K_PTE   0x2000
	Kernel Page Table for virtual space (don't touch!!!).
#define	DMA_MEMORY_START   0x3000
	DMA memory area start address (don't touch!!!).
#define	DMA_MEMORY_END   0x01000000
	DMA memory area end address (don't touch!!!).
#define	BIOS_IVT_START   0x00000000
	BIOS Interrupt Vector Table (IVT) start address.
#define	BIOS_IVT_END   0x00001000
	BIOS Interrupt Vector Table (IVT) end address.
#define	VIDEO_BUF_START   0x000A0000
	Video Buffer area start address.
#define	VIDEO_BUF_END   0x000C0000
	Video Buffer area end address.
#define	BIOS_ROM_START   0x000C0000
	ROM BIOS memory start address.
#define	BIOS_ROM_END   0x00100000
	ROM BIOS memory end address.
#define	K_VIR_START   0xC0000000
	Kernel virtual start address. Note: Must be (PAGE_SIZE*1024) aligned!!!
#define	K_HEAP_START   0xD0000000
	Kernel heap start address.
#define	K_HEAP_END   0xE0000000
	Kernel heap end address.
#define	D_MEM_START   0xE0000000
#define	D_MEM_END   0xEF000000
#define	PHYS_MEM_START   0xEF000000
	Some physical memory (first 16MB of physical memory are mapped here) start address.
#define	PHYS_MEM_END   0xF0000000
	Some physical memory (first 16MB of physical memory are mapped here) end address.
#define	K_MEM_TEMP_START   0xF0000000
	Temporary memory area start address.
#define	K_MEM_TEMP_END   0xFFC00000
	Temporary memory area end address.
#define	PAGE_TABLE_MAP   (0xFFC00000)
	Page tables area start address.
#define	PAGE_DIR_MAP   (0xFFC00000 + (PAGE_TABLE_MAP / (1024)))
	Page tables area end address.

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Detailed Description

The memory map of the kernel.

Author:

Andrea Righi <drizzt@inwind.it>

Date:

Last update: 2003-11-05

Note:

Copyright (©) 2003 Andrea Righi

Definition in file kernel_map.h.

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Define Documentation

#define BIOS_IVT_END   0x00001000

BIOS Interrupt Vector Table (IVT) end address. Definition at line 30 of file kernel_map.h.

#define BIOS_IVT_START   0x00000000

BIOS Interrupt Vector Table (IVT) start address. Definition at line 28 of file kernel_map.h.

#define BIOS_ROM_END   0x00100000

ROM BIOS memory end address. Definition at line 40 of file kernel_map.h.

#define BIOS_ROM_START   0x000C0000

ROM BIOS memory start address. Definition at line 38 of file kernel_map.h.

#define D_MEM_END   0xEF000000

Definition at line 55 of file kernel_map.h.

#define D_MEM_START   0xE0000000

Definition at line 54 of file kernel_map.h.

#define DMA_MEMORY_END   0x01000000

DMA memory area end address (don't touch!!!). Definition at line 23 of file kernel_map.h.

#define DMA_MEMORY_START   0x3000

DMA memory area start address (don't touch!!!). Definition at line 21 of file kernel_map.h.

#define K_HEAP_END   0xE0000000

Kernel heap end address. Definition at line 51 of file kernel_map.h.

#define K_HEAP_START   0xD0000000

Kernel heap start address. Definition at line 49 of file kernel_map.h.

#define K_MEM_TEMP_END   0xFFC00000

Temporary memory area end address. Definition at line 67 of file kernel_map.h.

#define K_MEM_TEMP_START   0xF0000000

Temporary memory area start address. Definition at line 65 of file kernel_map.h.

#define K_PDE   0x1000

Kernel Page Directory (don't touch!!!). Definition at line 16 of file kernel_map.h.

#define K_PHYS_ADDR   0x100000

Physiscal address of the kernel (don't touch!!!). Definition at line 14 of file kernel_map.h.

#define K_PTE   0x2000

Kernel Page Table for virtual space (don't touch!!!). Definition at line 18 of file kernel_map.h.

#define K_VIR_START   0xC0000000

Kernel virtual start address. Note: Must be (PAGE_SIZE*1024) aligned!!! Definition at line 46 of file kernel_map.h.

#define PAGE_DIR_MAP   (0xFFC00000 + (PAGE_TABLE_MAP / (1024)))

Page tables area end address. Definition at line 72 of file kernel_map.h.

#define PAGE_TABLE_MAP   (0xFFC00000)

Page tables area start address. Definition at line 70 of file kernel_map.h.

#define PHYS_MEM_END   0xF0000000

Some physical memory (first 16MB of physical memory are mapped here) end address. Definition at line 62 of file kernel_map.h.

#define PHYS_MEM_START   0xEF000000

Some physical memory (first 16MB of physical memory are mapped here) start address. Definition at line 59 of file kernel_map.h.

#define VIDEO_BUF_END   0x000C0000

Video Buffer area end address. Definition at line 35 of file kernel_map.h.

#define VIDEO_BUF_START   0x000A0000

Video Buffer area start address. Definition at line 33 of file kernel_map.h.

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