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Diffstat (limited to 'include/asm-sh/mmu_context_64.h')
-rw-r--r--include/asm-sh/mmu_context_64.h78
1 files changed, 0 insertions, 78 deletions
diff --git a/include/asm-sh/mmu_context_64.h b/include/asm-sh/mmu_context_64.h
deleted file mode 100644
index 9649f1c07ca..00000000000
--- a/include/asm-sh/mmu_context_64.h
+++ /dev/null
@@ -1,78 +0,0 @@
-#ifndef __ASM_SH_MMU_CONTEXT_64_H
-#define __ASM_SH_MMU_CONTEXT_64_H
-
-/*
- * sh64-specific mmu_context interface.
- *
- * Copyright (C) 2000, 2001 Paolo Alberelli
- * Copyright (C) 2003 - 2007 Paul Mundt
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- */
-#include <asm/cpu/registers.h>
-#include <asm/cacheflush.h>
-
-#define SR_ASID_MASK 0xffffffffff00ffffULL
-#define SR_ASID_SHIFT 16
-
-/*
- * Destroy context related info for an mm_struct that is about
- * to be put to rest.
- */
-static inline void destroy_context(struct mm_struct *mm)
-{
- /* Well, at least free TLB entries */
- flush_tlb_mm(mm);
-}
-
-static inline unsigned long get_asid(void)
-{
- unsigned long long sr;
-
- asm volatile ("getcon " __SR ", %0\n\t"
- : "=r" (sr));
-
- sr = (sr >> SR_ASID_SHIFT) & MMU_CONTEXT_ASID_MASK;
- return (unsigned long) sr;
-}
-
-/* Set ASID into SR */
-static inline void set_asid(unsigned long asid)
-{
- unsigned long long sr, pc;
-
- asm volatile ("getcon " __SR ", %0" : "=r" (sr));
-
- sr = (sr & SR_ASID_MASK) | (asid << SR_ASID_SHIFT);
-
- /*
- * It is possible that this function may be inlined and so to avoid
- * the assembler reporting duplicate symbols we make use of the
- * gas trick of generating symbols using numerics and forward
- * reference.
- */
- asm volatile ("movi 1, %1\n\t"
- "shlli %1, 28, %1\n\t"
- "or %0, %1, %1\n\t"
- "putcon %1, " __SR "\n\t"
- "putcon %0, " __SSR "\n\t"
- "movi 1f, %1\n\t"
- "ori %1, 1 , %1\n\t"
- "putcon %1, " __SPC "\n\t"
- "rte\n"
- "1:\n\t"
- : "=r" (sr), "=r" (pc) : "0" (sr));
-}
-
-/* arch/sh/kernel/cpu/sh5/entry.S */
-extern unsigned long switch_and_save_asid(unsigned long new_asid);
-
-/* No spare register to twiddle, so use a software cache */
-extern pgd_t *mmu_pdtp_cache;
-
-#define set_TTB(pgd) (mmu_pdtp_cache = (pgd))
-#define get_TTB() (mmu_pdtp_cache)
-
-#endif /* __ASM_SH_MMU_CONTEXT_64_H */