arm64: Remove asm/pgtable-*level-hwdef.h files

The macros in these files can easily be computed based on PAGE_SHIFT and
VA_BITS, so just remove them and add the corresponding macros to
asm/pgtable-hwdef.h

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Tested-by: Jungseok Lee <jungseoklee85@gmail.com>
This commit is contained in:
Catalin Marinas
2014-07-15 16:35:38 +01:00
parent abe669d7e1
commit 6b4fee241d
4 changed files with 36 additions and 149 deletions

View File

@@ -16,14 +16,44 @@
#ifndef __ASM_PGTABLE_HWDEF_H
#define __ASM_PGTABLE_HWDEF_H
#if CONFIG_ARM64_PGTABLE_LEVELS == 2
#include <asm/pgtable-2level-hwdef.h>
#elif CONFIG_ARM64_PGTABLE_LEVELS == 3
#include <asm/pgtable-3level-hwdef.h>
#else
#include <asm/pgtable-4level-hwdef.h>
#define PTRS_PER_PTE (1 << (PAGE_SHIFT - 3))
/*
* PMD_SHIFT determines the size a level 2 page table entry can map.
*/
#if CONFIG_ARM64_PGTABLE_LEVELS > 2
#define PMD_SHIFT ((PAGE_SHIFT - 3) * 2 + 3)
#define PMD_SIZE (_AC(1, UL) << PMD_SHIFT)
#define PMD_MASK (~(PMD_SIZE-1))
#define PTRS_PER_PMD PTRS_PER_PTE
#endif
/*
* PUD_SHIFT determines the size a level 1 page table entry can map.
*/
#if CONFIG_ARM64_PGTABLE_LEVELS > 3
#define PUD_SHIFT ((PAGE_SHIFT - 3) * 3 + 3)
#define PUD_SIZE (_AC(1, UL) << PUD_SHIFT)
#define PUD_MASK (~(PUD_SIZE-1))
#define PTRS_PER_PUD PTRS_PER_PTE
#endif
/*
* PGDIR_SHIFT determines the size a top-level page table entry can map
* (depending on the configuration, this level can be 0, 1 or 2).
*/
#define PGDIR_SHIFT ((PAGE_SHIFT - 3) * CONFIG_ARM64_PGTABLE_LEVELS + 3)
#define PGDIR_SIZE (_AC(1, UL) << PGDIR_SHIFT)
#define PGDIR_MASK (~(PGDIR_SIZE-1))
#define PTRS_PER_PGD (1 << (VA_BITS - PGDIR_SHIFT))
/*
* Section address mask and size definitions.
*/
#define SECTION_SHIFT PMD_SHIFT
#define SECTION_SIZE (_AC(1, UL) << SECTION_SHIFT)
#define SECTION_MASK (~(SECTION_SIZE-1))
/*
* Hardware page table definitions.
*