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Begun work on VMTranslationMap implementation for x86_64.

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* Added empty source files for all the 64-bit paging method code, and a
  stub implementation of X86PagingMethod64Bit.
* arch_vm_translation_map.cpp has been modified to use X86PagingMethod64Bit
  on x86_64.
This commit is contained in:
Alex Smith
2012-07-04 17:08:44 +01:00
parent 4988ca58a0
commit 950b24e32d
15 changed files with 304 additions and 64 deletions
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headers/private/kernel/arch/x86/arch_kernel.h
+11 -7
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@@ -36,6 +36,10 @@
#define KERNEL_SIZE 0x8000000000
#define KERNEL_TOP (KERNEL_BASE + (KERNEL_SIZE - 1))
// Kernel physical memory map area.
#define KERNEL_PMAP_BASE 0xffffff0000000000
#define KERNEL_PMAP_SIZE 0x8000000000
// Userspace address space layout.
#define USER_BASE 0x0
#define USER_BASE_ANY 0x100000
@@ -51,9 +55,9 @@
// memory layout
#define KERNEL_BASE 0x80000000
#define KERNEL_SIZE 0x80000000
#define KERNEL_TOP (KERNEL_BASE + (KERNEL_SIZE - 1))
#define KERNEL_BASE 0x80000000
#define KERNEL_SIZE 0x80000000
#define KERNEL_TOP (KERNEL_BASE + (KERNEL_SIZE - 1))
/* User space layout is a little special:
* The user space does not completely cover the space not covered by the
@@ -65,10 +69,10 @@
* TODO: introduce the 1Mb lower barrier again - it's only used for vm86 mode,
* and this should be moved into the kernel (and address space) completely.
*/
#define USER_BASE 0x00
#define USER_BASE_ANY 0x100000
#define USER_SIZE (KERNEL_BASE - 0x10000)
#define USER_TOP (USER_BASE + USER_SIZE)
#define USER_BASE 0x00
#define USER_BASE_ANY 0x100000
#define USER_SIZE (KERNEL_BASE - 0x10000)
#define USER_TOP (USER_BASE + USER_SIZE)
#define KERNEL_USER_DATA_BASE 0x6fff0000
#define USER_STACK_REGION 0x70000000