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Diffstat (limited to 'arch/powerpc/include/asm/pte-common.h')
-rw-r--r--arch/powerpc/include/asm/pte-common.h219
1 files changed, 0 insertions, 219 deletions
diff --git a/arch/powerpc/include/asm/pte-common.h b/arch/powerpc/include/asm/pte-common.h
deleted file mode 100644
index bef56141a549..000000000000
--- a/arch/powerpc/include/asm/pte-common.h
+++ /dev/null
@@ -1,219 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/* Included from asm/pgtable-*.h only ! */
-
-/*
- * Some bits are only used on some cpu families... Make sure that all
- * the undefined gets a sensible default
- */
-#ifndef _PAGE_HASHPTE
-#define _PAGE_HASHPTE 0
-#endif
-#ifndef _PAGE_HWWRITE
-#define _PAGE_HWWRITE 0
-#endif
-#ifndef _PAGE_EXEC
-#define _PAGE_EXEC 0
-#endif
-#ifndef _PAGE_ENDIAN
-#define _PAGE_ENDIAN 0
-#endif
-#ifndef _PAGE_COHERENT
-#define _PAGE_COHERENT 0
-#endif
-#ifndef _PAGE_WRITETHRU
-#define _PAGE_WRITETHRU 0
-#endif
-#ifndef _PAGE_4K_PFN
-#define _PAGE_4K_PFN 0
-#endif
-#ifndef _PAGE_SAO
-#define _PAGE_SAO 0
-#endif
-#ifndef _PAGE_PSIZE
-#define _PAGE_PSIZE 0
-#endif
-/* _PAGE_RO and _PAGE_RW shall not be defined at the same time */
-#ifndef _PAGE_RO
-#define _PAGE_RO 0
-#else
-#define _PAGE_RW 0
-#endif
-
-#ifndef _PAGE_PTE
-#define _PAGE_PTE 0
-#endif
-/* At least one of _PAGE_PRIVILEGED or _PAGE_USER must be defined */
-#ifndef _PAGE_PRIVILEGED
-#define _PAGE_PRIVILEGED 0
-#else
-#ifndef _PAGE_USER
-#define _PAGE_USER 0
-#endif
-#endif
-#ifndef _PAGE_NA
-#define _PAGE_NA 0
-#endif
-#ifndef _PAGE_HUGE
-#define _PAGE_HUGE 0
-#endif
-
-#ifndef _PMD_PRESENT_MASK
-#define _PMD_PRESENT_MASK _PMD_PRESENT
-#endif
-#ifndef _PMD_USER
-#define _PMD_USER 0
-#endif
-#ifndef _PAGE_KERNEL_RO
-#define _PAGE_KERNEL_RO (_PAGE_PRIVILEGED | _PAGE_RO)
-#endif
-#ifndef _PAGE_KERNEL_ROX
-#define _PAGE_KERNEL_ROX (_PAGE_PRIVILEGED | _PAGE_RO | _PAGE_EXEC)
-#endif
-#ifndef _PAGE_KERNEL_RW
-#define _PAGE_KERNEL_RW (_PAGE_PRIVILEGED | _PAGE_DIRTY | _PAGE_RW | \
- _PAGE_HWWRITE)
-#endif
-#ifndef _PAGE_KERNEL_RWX
-#define _PAGE_KERNEL_RWX (_PAGE_PRIVILEGED | _PAGE_DIRTY | _PAGE_RW | \
- _PAGE_HWWRITE | _PAGE_EXEC)
-#endif
-#ifndef _PAGE_HPTEFLAGS
-#define _PAGE_HPTEFLAGS _PAGE_HASHPTE
-#endif
-#ifndef _PTE_NONE_MASK
-#define _PTE_NONE_MASK _PAGE_HPTEFLAGS
-#endif
-
-#ifndef __ASSEMBLY__
-
-/*
- * Don't just check for any non zero bits in __PAGE_USER, since for book3e
- * and PTE_64BIT, PAGE_KERNEL_X contains _PAGE_BAP_SR which is also in
- * _PAGE_USER. Need to explicitly match _PAGE_BAP_UR bit in that case too.
- */
-static inline bool pte_user(pte_t pte)
-{
- return (pte_val(pte) & (_PAGE_USER | _PAGE_PRIVILEGED)) == _PAGE_USER;
-}
-#endif /* __ASSEMBLY__ */
-
-/* Location of the PFN in the PTE. Most 32-bit platforms use the same
- * as _PAGE_SHIFT here (ie, naturally aligned).
- * Platform who don't just pre-define the value so we don't override it here
- */
-#ifndef PTE_RPN_SHIFT
-#define PTE_RPN_SHIFT (PAGE_SHIFT)
-#endif
-
-/* The mask covered by the RPN must be a ULL on 32-bit platforms with
- * 64-bit PTEs
- */
-#if defined(CONFIG_PPC32) && defined(CONFIG_PTE_64BIT)
-#define PTE_RPN_MASK (~((1ULL<<PTE_RPN_SHIFT)-1))
-#else
-#define PTE_RPN_MASK (~((1UL<<PTE_RPN_SHIFT)-1))
-#endif
-
-/* _PAGE_CHG_MASK masks of bits that are to be preserved across
- * pgprot changes
- */
-#define _PAGE_CHG_MASK (PTE_RPN_MASK | _PAGE_HPTEFLAGS | _PAGE_DIRTY | \
- _PAGE_ACCESSED | _PAGE_SPECIAL)
-
-/* Mask of bits returned by pte_pgprot() */
-#define PAGE_PROT_BITS (_PAGE_GUARDED | _PAGE_COHERENT | _PAGE_NO_CACHE | \
- _PAGE_WRITETHRU | _PAGE_ENDIAN | _PAGE_4K_PFN | \
- _PAGE_USER | _PAGE_ACCESSED | _PAGE_RO | _PAGE_NA | \
- _PAGE_PRIVILEGED | \
- _PAGE_RW | _PAGE_HWWRITE | _PAGE_DIRTY | _PAGE_EXEC)
-
-/*
- * We define 2 sets of base prot bits, one for basic pages (ie,
- * cacheable kernel and user pages) and one for non cacheable
- * pages. We always set _PAGE_COHERENT when SMP is enabled or
- * the processor might need it for DMA coherency.
- */
-#define _PAGE_BASE_NC (_PAGE_PRESENT | _PAGE_ACCESSED | _PAGE_PSIZE)
-#if defined(CONFIG_SMP) || defined(CONFIG_PPC_STD_MMU) || \
- defined(CONFIG_PPC_E500MC)
-#define _PAGE_BASE (_PAGE_BASE_NC | _PAGE_COHERENT)
-#else
-#define _PAGE_BASE (_PAGE_BASE_NC)
-#endif
-
-/* Permission masks used to generate the __P and __S table,
- *
- * Note:__pgprot is defined in arch/powerpc/include/asm/page.h
- *
- * Write permissions imply read permissions for now (we could make write-only
- * pages on BookE but we don't bother for now). Execute permission control is
- * possible on platforms that define _PAGE_EXEC
- *
- * Note due to the way vm flags are laid out, the bits are XWR
- */
-#define PAGE_NONE __pgprot(_PAGE_BASE | _PAGE_NA)
-#define PAGE_SHARED __pgprot(_PAGE_BASE | _PAGE_USER | _PAGE_RW)
-#define PAGE_SHARED_X __pgprot(_PAGE_BASE | _PAGE_USER | _PAGE_RW | \
- _PAGE_EXEC)
-#define PAGE_COPY __pgprot(_PAGE_BASE | _PAGE_USER | _PAGE_RO)
-#define PAGE_COPY_X __pgprot(_PAGE_BASE | _PAGE_USER | _PAGE_RO | \
- _PAGE_EXEC)
-#define PAGE_READONLY __pgprot(_PAGE_BASE | _PAGE_USER | _PAGE_RO)
-#define PAGE_READONLY_X __pgprot(_PAGE_BASE | _PAGE_USER | _PAGE_RO | \
- _PAGE_EXEC)
-
-#define __P000 PAGE_NONE
-#define __P001 PAGE_READONLY
-#define __P010 PAGE_COPY
-#define __P011 PAGE_COPY
-#define __P100 PAGE_READONLY_X
-#define __P101 PAGE_READONLY_X
-#define __P110 PAGE_COPY_X
-#define __P111 PAGE_COPY_X
-
-#define __S000 PAGE_NONE
-#define __S001 PAGE_READONLY
-#define __S010 PAGE_SHARED
-#define __S011 PAGE_SHARED
-#define __S100 PAGE_READONLY_X
-#define __S101 PAGE_READONLY_X
-#define __S110 PAGE_SHARED_X
-#define __S111 PAGE_SHARED_X
-
-/* Permission masks used for kernel mappings */
-#define PAGE_KERNEL __pgprot(_PAGE_BASE | _PAGE_KERNEL_RW)
-#define PAGE_KERNEL_NC __pgprot(_PAGE_BASE_NC | _PAGE_KERNEL_RW | \
- _PAGE_NO_CACHE)
-#define PAGE_KERNEL_NCG __pgprot(_PAGE_BASE_NC | _PAGE_KERNEL_RW | \
- _PAGE_NO_CACHE | _PAGE_GUARDED)
-#define PAGE_KERNEL_X __pgprot(_PAGE_BASE | _PAGE_KERNEL_RWX)
-#define PAGE_KERNEL_RO __pgprot(_PAGE_BASE | _PAGE_KERNEL_RO)
-#define PAGE_KERNEL_ROX __pgprot(_PAGE_BASE | _PAGE_KERNEL_ROX)
-
-/* Protection used for kernel text. We want the debuggers to be able to
- * set breakpoints anywhere, so don't write protect the kernel text
- * on platforms where such control is possible.
- */
-#if defined(CONFIG_KGDB) || defined(CONFIG_XMON) || defined(CONFIG_BDI_SWITCH) ||\
- defined(CONFIG_KPROBES) || defined(CONFIG_DYNAMIC_FTRACE)
-#define PAGE_KERNEL_TEXT PAGE_KERNEL_X
-#else
-#define PAGE_KERNEL_TEXT PAGE_KERNEL_ROX
-#endif
-
-/* Make modules code happy. We don't set RO yet */
-#define PAGE_KERNEL_EXEC PAGE_KERNEL_X
-
-/* Advertise special mapping type for AGP */
-#define PAGE_AGP (PAGE_KERNEL_NC)
-#define HAVE_PAGE_AGP
-
-#ifndef _PAGE_READ
-/* if not defined, we should not find _PAGE_WRITE too */
-#define _PAGE_READ 0
-#define _PAGE_WRITE _PAGE_RW
-#endif
-
-#ifndef H_PAGE_4K_PFN
-#define H_PAGE_4K_PFN 0
-#endif