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-rw-r--r--arch/sh/mm/tlb-sh4.c30
1 files changed, 13 insertions, 17 deletions
diff --git a/arch/sh/mm/tlb-sh4.c b/arch/sh/mm/tlb-sh4.c
index 13fde8cc7179..2d1dd6044307 100644
--- a/arch/sh/mm/tlb-sh4.c
+++ b/arch/sh/mm/tlb-sh4.c
@@ -4,27 +4,14 @@
4 * SH-4 specific TLB operations 4 * SH-4 specific TLB operations
5 * 5 *
6 * Copyright (C) 1999 Niibe Yutaka 6 * Copyright (C) 1999 Niibe Yutaka
7 * Copyright (C) 2002 Paul Mundt 7 * Copyright (C) 2002 - 2007 Paul Mundt
8 * 8 *
9 * Released under the terms of the GNU GPL v2.0. 9 * Released under the terms of the GNU GPL v2.0.
10 */ 10 */
11#include <linux/signal.h>
12#include <linux/sched.h>
13#include <linux/kernel.h> 11#include <linux/kernel.h>
14#include <linux/errno.h>
15#include <linux/string.h>
16#include <linux/types.h>
17#include <linux/ptrace.h>
18#include <linux/mman.h>
19#include <linux/mm.h> 12#include <linux/mm.h>
20#include <linux/smp.h> 13#include <linux/io.h>
21#include <linux/smp_lock.h>
22#include <linux/interrupt.h>
23
24#include <asm/system.h> 14#include <asm/system.h>
25#include <asm/io.h>
26#include <asm/uaccess.h>
27#include <asm/pgalloc.h>
28#include <asm/mmu_context.h> 15#include <asm/mmu_context.h>
29#include <asm/cacheflush.h> 16#include <asm/cacheflush.h>
30 17
@@ -62,12 +49,22 @@ void update_mmu_cache(struct vm_area_struct * vma,
62 vpn = (address & MMU_VPN_MASK) | get_asid(); 49 vpn = (address & MMU_VPN_MASK) | get_asid();
63 ctrl_outl(vpn, MMU_PTEH); 50 ctrl_outl(vpn, MMU_PTEH);
64 51
65 pteval = pte_val(pte); 52 pteval = pte.pte_low;
66 53
67 /* Set PTEA register */ 54 /* Set PTEA register */
55#ifdef CONFIG_X2TLB
56 /*
57 * For the extended mode TLB this is trivial, only the ESZ and
58 * EPR bits need to be written out to PTEA, with the remainder of
59 * the protection bits (with the exception of the compat-mode SZ
60 * and PR bits, which are cleared) being written out in PTEL.
61 */
62 ctrl_outl(pte.pte_high, MMU_PTEA);
63#else
68 if (cpu_data->flags & CPU_HAS_PTEA) 64 if (cpu_data->flags & CPU_HAS_PTEA)
69 /* TODO: make this look less hacky */ 65 /* TODO: make this look less hacky */
70 ctrl_outl(((pteval >> 28) & 0xe) | (pteval & 0x1), MMU_PTEA); 66 ctrl_outl(((pteval >> 28) & 0xe) | (pteval & 0x1), MMU_PTEA);
67#endif
71 68
72 /* Set PTEL register */ 69 /* Set PTEL register */
73 pteval &= _PAGE_FLAGS_HARDWARE_MASK; /* drop software flags */ 70 pteval &= _PAGE_FLAGS_HARDWARE_MASK; /* drop software flags */
@@ -98,4 +95,3 @@ void local_flush_tlb_one(unsigned long asid, unsigned long page)
98 ctrl_outl(data, addr); 95 ctrl_outl(data, addr);
99 back_to_P1(); 96 back_to_P1();
100} 97}
101