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- /*
- * linux/arch/arm/mm/tlbv3.S
- *
- * Copyright (C) 1997-2002 Russell King
- *
- * 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.
- *
- * ARM architecture version 3 TLB handling functions.
- *
- * Processors: ARM610, ARM710.
- */
- #include <linux/linkage.h>
- #include <linux/init.h>
- #include <asm/asm-offsets.h>
- #include <asm/tlbflush.h>
- #include "proc-macros.S"
- .align 5
- /*
- * v3_flush_user_tlb_range(start, end, mm)
- *
- * Invalidate a range of TLB entries in the specified address space.
- *
- * - start - range start address
- * - end - range end address
- * - mm - mm_struct describing address space
- */
- .align 5
- ENTRY(v3_flush_user_tlb_range)
- vma_vm_mm r2, r2
- act_mm r3 @ get current->active_mm
- teq r2, r3 @ == mm ?
- movne pc, lr @ no, we dont do anything
- ENTRY(v3_flush_kern_tlb_range)
- bic r0, r0, #0x0ff
- bic r0, r0, #0xf00
- 1: mcr p15, 0, r0, c6, c0, 0 @ invalidate TLB entry
- add r0, r0, #PAGE_SZ
- cmp r0, r1
- blo 1b
- mov pc, lr
- __INITDATA
- /* define struct cpu_tlb_fns (see <asm/tlbflush.h> and proc-macros.S) */
- define_tlb_functions v3, v3_tlb_flags
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