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Diffstat (limited to 'arch/arc/mm/tlb.c')
| -rw-r--r-- | arch/arc/mm/tlb.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/arc/mm/tlb.c b/arch/arc/mm/tlb.c new file mode 100644 index 000000000000..f1edae2410a7 --- /dev/null +++ b/arch/arc/mm/tlb.c @@ -0,0 +1,23 @@ +/* + * TLB Management (flush/create/diagnostics) for ARC700 + * + * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/module.h> +#include <asm/arcregs.h> +#include <asm/mmu_context.h> +#include <asm/tlb.h> + +/* A copy of the ASID from the PID reg is kept in asid_cache */ +int asid_cache = FIRST_ASID; + +/* ASID to mm struct mapping. We have one extra entry corresponding to + * NO_ASID to save us a compare when clearing the mm entry for old asid + * see get_new_mmu_context (asm-arc/mmu_context.h) + */ +struct mm_struct *asid_mm_map[NUM_ASID + 1]; |