diff options
Diffstat (limited to '6/platforms/android-9/arch-x86/usr/include/asm/pgtable_32.h')
| -rw-r--r-- | 6/platforms/android-9/arch-x86/usr/include/asm/pgtable_32.h | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/6/platforms/android-9/arch-x86/usr/include/asm/pgtable_32.h b/6/platforms/android-9/arch-x86/usr/include/asm/pgtable_32.h new file mode 100644 index 0000000..c63ba93 --- /dev/null +++ b/6/platforms/android-9/arch-x86/usr/include/asm/pgtable_32.h @@ -0,0 +1,175 @@ +/**************************************************************************** + **************************************************************************** + *** + *** This header was automatically generated from a Linux kernel header + *** of the same name, to make information necessary for userspace to + *** call into the kernel available to libc. It contains only constants, + *** structures, and macros generated from the original header, and thus, + *** contains no copyrightable information. + *** + **************************************************************************** + ****************************************************************************/ +#ifndef _I386_PGTABLE_H +#define _I386_PGTABLE_H + +#ifndef __ASSEMBLY__ +#include <asm/processor.h> +#include <asm/fixmap.h> +#include <linux/threads.h> +#include <asm/paravirt.h> + +#include <linux/bitops.h> +#include <linux/slab.h> +#include <linux/list.h> +#include <linux/spinlock.h> + +struct mm_struct; +struct vm_area_struct; + +#define ZERO_PAGE(vaddr) (virt_to_page(empty_zero_page)) + +#include <asm/pgtable-2level-defs.h> + +#define PGDIR_SIZE (1UL << PGDIR_SHIFT) +#define PGDIR_MASK (~(PGDIR_SIZE-1)) + +#define USER_PTRS_PER_PGD (TASK_SIZE/PGDIR_SIZE) +#define FIRST_USER_ADDRESS 0 + +#define USER_PGD_PTRS (PAGE_OFFSET >> PGDIR_SHIFT) +#define KERNEL_PGD_PTRS (PTRS_PER_PGD-USER_PGD_PTRS) + +#define TWOLEVEL_PGDIR_SHIFT 22 +#define BOOT_USER_PGD_PTRS (__PAGE_OFFSET >> TWOLEVEL_PGDIR_SHIFT) +#define BOOT_KERNEL_PGD_PTRS (1024-BOOT_USER_PGD_PTRS) + +#define VMALLOC_OFFSET (8*1024*1024) +#define VMALLOC_START (((unsigned long) high_memory + 2*VMALLOC_OFFSET-1) & ~(VMALLOC_OFFSET-1)) +#define VMALLOC_END (FIXADDR_START-2*PAGE_SIZE) + +#define _PAGE_BIT_PRESENT 0 +#define _PAGE_BIT_RW 1 +#define _PAGE_BIT_USER 2 +#define _PAGE_BIT_PWT 3 +#define _PAGE_BIT_PCD 4 +#define _PAGE_BIT_ACCESSED 5 +#define _PAGE_BIT_DIRTY 6 +#define _PAGE_BIT_PSE 7 +#define _PAGE_BIT_GLOBAL 8 +#define _PAGE_BIT_UNUSED1 9 +#define _PAGE_BIT_UNUSED2 10 +#define _PAGE_BIT_UNUSED3 11 +#define _PAGE_BIT_NX 63 + +#define _PAGE_PRESENT 0x001 +#define _PAGE_RW 0x002 +#define _PAGE_USER 0x004 +#define _PAGE_PWT 0x008 +#define _PAGE_PCD 0x010 +#define _PAGE_ACCESSED 0x020 +#define _PAGE_DIRTY 0x040 +#define _PAGE_PSE 0x080 +#define _PAGE_GLOBAL 0x100 +#define _PAGE_UNUSED1 0x200 +#define _PAGE_UNUSED2 0x400 +#define _PAGE_UNUSED3 0x800 + +#define _PAGE_FILE 0x040 +#define _PAGE_PROTNONE 0x080 +#define _PAGE_NX 0 + +#define _PAGE_TABLE (_PAGE_PRESENT | _PAGE_RW | _PAGE_USER | _PAGE_ACCESSED | _PAGE_DIRTY) +#define _KERNPG_TABLE (_PAGE_PRESENT | _PAGE_RW | _PAGE_ACCESSED | _PAGE_DIRTY) +#define _PAGE_CHG_MASK (PTE_MASK | _PAGE_ACCESSED | _PAGE_DIRTY) + +#define PAGE_NONE __pgprot(_PAGE_PROTNONE | _PAGE_ACCESSED) +#define PAGE_SHARED __pgprot(_PAGE_PRESENT | _PAGE_RW | _PAGE_USER | _PAGE_ACCESSED) + +#define PAGE_SHARED_EXEC __pgprot(_PAGE_PRESENT | _PAGE_RW | _PAGE_USER | _PAGE_ACCESSED) +#define PAGE_COPY_NOEXEC __pgprot(_PAGE_PRESENT | _PAGE_USER | _PAGE_ACCESSED | _PAGE_NX) +#define PAGE_COPY_EXEC __pgprot(_PAGE_PRESENT | _PAGE_USER | _PAGE_ACCESSED) +#define PAGE_COPY PAGE_COPY_NOEXEC +#define PAGE_READONLY __pgprot(_PAGE_PRESENT | _PAGE_USER | _PAGE_ACCESSED | _PAGE_NX) +#define PAGE_READONLY_EXEC __pgprot(_PAGE_PRESENT | _PAGE_USER | _PAGE_ACCESSED) + +#define _PAGE_KERNEL (_PAGE_PRESENT | _PAGE_RW | _PAGE_DIRTY | _PAGE_ACCESSED | _PAGE_NX) +#define _PAGE_KERNEL_EXEC (_PAGE_PRESENT | _PAGE_RW | _PAGE_DIRTY | _PAGE_ACCESSED) + +#define __PAGE_KERNEL_RO (__PAGE_KERNEL & ~_PAGE_RW) +#define __PAGE_KERNEL_RX (__PAGE_KERNEL_EXEC & ~_PAGE_RW) +#define __PAGE_KERNEL_NOCACHE (__PAGE_KERNEL | _PAGE_PCD) +#define __PAGE_KERNEL_LARGE (__PAGE_KERNEL | _PAGE_PSE) +#define __PAGE_KERNEL_LARGE_EXEC (__PAGE_KERNEL_EXEC | _PAGE_PSE) + +#define PAGE_KERNEL __pgprot(__PAGE_KERNEL) +#define PAGE_KERNEL_RO __pgprot(__PAGE_KERNEL_RO) +#define PAGE_KERNEL_EXEC __pgprot(__PAGE_KERNEL_EXEC) +#define PAGE_KERNEL_RX __pgprot(__PAGE_KERNEL_RX) +#define PAGE_KERNEL_NOCACHE __pgprot(__PAGE_KERNEL_NOCACHE) +#define PAGE_KERNEL_LARGE __pgprot(__PAGE_KERNEL_LARGE) +#define PAGE_KERNEL_LARGE_EXEC __pgprot(__PAGE_KERNEL_LARGE_EXEC) + +#define __P000 PAGE_NONE +#define __P001 PAGE_READONLY +#define __P010 PAGE_COPY +#define __P011 PAGE_COPY +#define __P100 PAGE_READONLY_EXEC +#define __P101 PAGE_READONLY_EXEC +#define __P110 PAGE_COPY_EXEC +#define __P111 PAGE_COPY_EXEC + +#define __S000 PAGE_NONE +#define __S001 PAGE_READONLY +#define __S010 PAGE_SHARED +#define __S011 PAGE_SHARED +#define __S100 PAGE_READONLY_EXEC +#define __S101 PAGE_READONLY_EXEC +#define __S110 PAGE_SHARED_EXEC +#define __S111 PAGE_SHARED_EXEC + +#undef TEST_ACCESS_OK + +#define pte_present(x) ((x).pte_low & (_PAGE_PRESENT | _PAGE_PROTNONE)) + +#define pmd_none(x) (!(unsigned long)pmd_val(x)) +#define pmd_present(x) (pmd_val(x) & _PAGE_PRESENT) +#define pmd_bad(x) ((pmd_val(x) & (~PAGE_MASK & ~_PAGE_USER)) != _KERNPG_TABLE) + +#define pages_to_mb(x) ((x) >> (20-PAGE_SHIFT)) + +#include <asm/pgtable-2level.h> +#define pte_update(mm, addr, ptep) do { } while (0) +#define pte_update_defer(mm, addr, ptep) do { } while (0) +#define __HAVE_ARCH_PTEP_SET_ACCESS_FLAGS +#define ptep_set_access_flags(vma, address, ptep, entry, dirty) ({ int __changed = !pte_same(*(ptep), entry); if (__changed && dirty) { (ptep)->pte_low = (entry).pte_low; pte_update_defer((vma)->vm_mm, (address), (ptep)); flush_tlb_page(vma, address); } __changed; }) +#define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_YOUNG +#define ptep_test_and_clear_young(vma, addr, ptep) ({ int __ret = 0; if (pte_young(*(ptep))) __ret = test_and_clear_bit(_PAGE_BIT_ACCESSED, &(ptep)->pte_low); if (__ret) pte_update((vma)->vm_mm, addr, ptep); __ret; }) +#define __HAVE_ARCH_PTEP_CLEAR_YOUNG_FLUSH +#define ptep_clear_flush_young(vma, address, ptep) ({ int __young; __young = ptep_test_and_clear_young((vma), (address), (ptep)); if (__young) flush_tlb_page(vma, address); __young; }) +#define __HAVE_ARCH_PTEP_GET_AND_CLEAR +#define __HAVE_ARCH_PTEP_GET_AND_CLEAR_FULL +#define __HAVE_ARCH_PTEP_SET_WRPROTECT +#define pgprot_noncached(prot) ((boot_cpu_data.x86 > 3) ? (__pgprot(pgprot_val(prot) | _PAGE_PCD | _PAGE_PWT)) : (prot)) +#define mk_pte(page, pgprot) pfn_pte(page_to_pfn(page), (pgprot)) +#define pmd_large(pmd) ((pmd_val(pmd) & (_PAGE_PSE|_PAGE_PRESENT)) == (_PAGE_PSE|_PAGE_PRESENT)) +#define pgd_index(address) (((address) >> PGDIR_SHIFT) & (PTRS_PER_PGD-1)) +#define pgd_index_k(addr) pgd_index(addr) +#define pgd_offset(mm, address) ((mm)->pgd+pgd_index(address)) +#define pgd_offset_k(address) pgd_offset(&init_mm, address) +#define pmd_index(address) (((address) >> PMD_SHIFT) & (PTRS_PER_PMD-1)) +#define pte_index(address) (((address) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1)) +#define pte_offset_kernel(dir, address) ((pte_t *) pmd_page_vaddr(*(dir)) + pte_index(address)) +#define pmd_page(pmd) (pfn_to_page(pmd_val(pmd) >> PAGE_SHIFT)) +#define pmd_page_vaddr(pmd) ((unsigned long) __va(pmd_val(pmd) & PAGE_MASK)) + + #define pte_offset_map(dir, address) ((pte_t *)page_address(pmd_page(*(dir))) + pte_index(address)) +#define pte_offset_map_nested(dir, address) pte_offset_map(dir, address) +#define pte_unmap(pte) do { } while (0) +#define pte_unmap_nested(pte) do { } while (0) +#define kpte_clear_flush(ptep, vaddr) do { pte_clear(&init_mm, vaddr, ptep); __flush_tlb_one(vaddr); } while (0) +#define update_mmu_cache(vma,address,pte) do { } while (0) + +#endif +#define io_remap_pfn_range(vma, vaddr, pfn, size, prot) remap_pfn_range(vma, vaddr, pfn, size, prot) +#include <asm-generic/pgtable.h> +#endif |