diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/arm/mm/tlb-v7.S')
| -rw-r--r-- | ANDROID_3.4.5/arch/arm/mm/tlb-v7.S | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/ANDROID_3.4.5/arch/arm/mm/tlb-v7.S b/ANDROID_3.4.5/arch/arm/mm/tlb-v7.S deleted file mode 100644 index 845f461f..00000000 --- a/ANDROID_3.4.5/arch/arm/mm/tlb-v7.S +++ /dev/null @@ -1,83 +0,0 @@ -/* - * linux/arch/arm/mm/tlb-v7.S - * - * Copyright (C) 1997-2002 Russell King - * Modified for ARMv7 by Catalin Marinas - * - * 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 6 TLB handling functions. - * These assume a split I/D TLB. - */ -#include <linux/init.h> -#include <linux/linkage.h> -#include <asm/assembler.h> -#include <asm/asm-offsets.h> -#include <asm/page.h> -#include <asm/tlbflush.h> -#include "proc-macros.S" - -/* - * v7wbi_flush_user_tlb_range(start, end, vma) - * - * Invalidate a range of TLB entries in the specified address space. - * - * - start - start address (may not be aligned) - * - end - end address (exclusive, may not be aligned) - * - vma - vma_struct describing address range - * - * It is assumed that: - * - the "Invalidate single entry" instruction will invalidate - * both the I and the D TLBs on Harvard-style TLBs - */ -ENTRY(v7wbi_flush_user_tlb_range) - vma_vm_mm r3, r2 @ get vma->vm_mm - mmid r3, r3 @ get vm_mm->context.id - dsb - mov r0, r0, lsr #PAGE_SHIFT @ align address - mov r1, r1, lsr #PAGE_SHIFT - asid r3, r3 @ mask ASID - orr r0, r3, r0, lsl #PAGE_SHIFT @ Create initial MVA - mov r1, r1, lsl #PAGE_SHIFT -1: - ALT_SMP(mcr p15, 0, r0, c8, c3, 1) @ TLB invalidate U MVA (shareable) - ALT_UP(mcr p15, 0, r0, c8, c7, 1) @ TLB invalidate U MVA - - add r0, r0, #PAGE_SZ - cmp r0, r1 - blo 1b - dsb - mov pc, lr -ENDPROC(v7wbi_flush_user_tlb_range) - -/* - * v7wbi_flush_kern_tlb_range(start,end) - * - * Invalidate a range of kernel TLB entries - * - * - start - start address (may not be aligned) - * - end - end address (exclusive, may not be aligned) - */ -ENTRY(v7wbi_flush_kern_tlb_range) - dsb - mov r0, r0, lsr #PAGE_SHIFT @ align address - mov r1, r1, lsr #PAGE_SHIFT - mov r0, r0, lsl #PAGE_SHIFT - mov r1, r1, lsl #PAGE_SHIFT -1: - ALT_SMP(mcr p15, 0, r0, c8, c3, 1) @ TLB invalidate U MVA (shareable) - ALT_UP(mcr p15, 0, r0, c8, c7, 1) @ TLB invalidate U MVA - add r0, r0, #PAGE_SZ - cmp r0, r1 - blo 1b - dsb - isb - mov pc, lr -ENDPROC(v7wbi_flush_kern_tlb_range) - - __INIT - - /* define struct cpu_tlb_fns (see <asm/tlbflush.h> and proc-macros.S) */ - define_tlb_functions v7wbi, v7wbi_tlb_flags_up, flags_smp=v7wbi_tlb_flags_smp |