Arch specific definitions, can be included by others. More...

Macros
#define	X86_64_BASE_PAGE_BITS 12

#define	X86_64_LARGE_PAGE_BITS 21

#define	X86_64_HUGE_PAGE_BITS 30

#define	X86_64_PTABLE_EXECUTE_DISABLE (((paging_x86_64_flags_t)1) << 63)

#define	X86_64_PTABLE_BITS 9

#define	X86_64_PTABLE_SIZE (1UL<<X86_64_PTABLE_BITS)

#define	X86_64_PTABLE_MASK 0x1ff

#define	X86_64_PTABLE_CLEAR 0

#define	X86_64_PTABLE_ACCESS_DEFAULT
	Default access is read/write, but not execute.

Detailed Description

Arch specific definitions, can be included by others.

Macro Definition Documentation

#define X86_64_BASE_PAGE_BITS 12

The system's base page size is 4kB

#define X86_64_HUGE_PAGE_BITS 30

The system's huge page size is 1GB

#define X86_64_LARGE_PAGE_BITS 21

The system's large page size is 2MB

#define X86_64_PTABLE_BITS 9

Page directory/table size in bits

#define X86_64_PTABLE_CLEAR 0

Bitmap of a clear table entry

#define X86_64_PTABLE_EXECUTE_DISABLE (((paging_x86_64_flags_t)1) << 63)

Bits within the various page directories and tables.

#define X86_64_PTABLE_MASK 0x1ff

Page dir/table address mask

#define X86_64_PTABLE_SIZE (1UL<<X86_64_PTABLE_BITS)

Page directory/table size