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Diffstat (limited to 'arch/sh/mm/tlb-sh4.c')
-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 13fde8cc717..2d1dd604430 100644
--- a/arch/sh/mm/tlb-sh4.c
+++ b/arch/sh/mm/tlb-sh4.c
@@ -4,27 +4,14 @@
* SH-4 specific TLB operations
*
* Copyright (C) 1999 Niibe Yutaka
- * Copyright (C) 2002 Paul Mundt
+ * Copyright (C) 2002 - 2007 Paul Mundt
*
* Released under the terms of the GNU GPL v2.0.
*/
-#include <linux/signal.h>
-#include <linux/sched.h>
#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/string.h>
-#include <linux/types.h>
-#include <linux/ptrace.h>
-#include <linux/mman.h>
#include <linux/mm.h>
-#include <linux/smp.h>
-#include <linux/smp_lock.h>
-#include <linux/interrupt.h>
-
+#include <linux/io.h>
#include <asm/system.h>
-#include <asm/io.h>
-#include <asm/uaccess.h>
-#include <asm/pgalloc.h>
#include <asm/mmu_context.h>
#include <asm/cacheflush.h>
@@ -62,12 +49,22 @@ void update_mmu_cache(struct vm_area_struct * vma,
vpn = (address & MMU_VPN_MASK) | get_asid();
ctrl_outl(vpn, MMU_PTEH);
- pteval = pte_val(pte);
+ pteval = pte.pte_low;
/* Set PTEA register */
+#ifdef CONFIG_X2TLB
+ /*
+ * For the extended mode TLB this is trivial, only the ESZ and
+ * EPR bits need to be written out to PTEA, with the remainder of
+ * the protection bits (with the exception of the compat-mode SZ
+ * and PR bits, which are cleared) being written out in PTEL.
+ */
+ ctrl_outl(pte.pte_high, MMU_PTEA);
+#else
if (cpu_data->flags & CPU_HAS_PTEA)
/* TODO: make this look less hacky */
ctrl_outl(((pteval >> 28) & 0xe) | (pteval & 0x1), MMU_PTEA);
+#endif
/* Set PTEL register */
pteval &= _PAGE_FLAGS_HARDWARE_MASK; /* drop software flags */
@@ -98,4 +95,3 @@ void local_flush_tlb_one(unsigned long asid, unsigned long page)
ctrl_outl(data, addr);
back_to_P1();
}
-