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-rw-r--r--arch/um/kernel/tt/tlb.c120
1 files changed, 0 insertions, 120 deletions
diff --git a/arch/um/kernel/tt/tlb.c b/arch/um/kernel/tt/tlb.c
deleted file mode 100644
index 7caa24f..0000000
--- a/arch/um/kernel/tt/tlb.c
+++ /dev/null
@@ -1,120 +0,0 @@
-/*
- * Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
- * Copyright 2003 PathScale, Inc.
- * Licensed under the GPL
- */
-
-#include "linux/stddef.h"
-#include "linux/kernel.h"
-#include "linux/sched.h"
-#include "linux/mm.h"
-#include "asm/page.h"
-#include "asm/pgtable.h"
-#include "asm/uaccess.h"
-#include "asm/tlbflush.h"
-#include "mem_user.h"
-#include "os.h"
-#include "tlb.h"
-
-static int do_ops(union mm_context *mmu, struct host_vm_op *ops, int last,
- int finished, void **flush)
-{
- struct host_vm_op *op;
- int i, ret=0;
-
- for(i = 0; i <= last && !ret; i++){
- op = &ops[i];
- switch(op->type){
- case MMAP:
- ret = os_map_memory((void *) op->u.mmap.addr,
- op->u.mmap.fd, op->u.mmap.offset,
- op->u.mmap.len, op->u.mmap.r,
- op->u.mmap.w, op->u.mmap.x);
- break;
- case MUNMAP:
- ret = os_unmap_memory((void *) op->u.munmap.addr,
- op->u.munmap.len);
- break;
- case MPROTECT:
- ret = protect_memory(op->u.mprotect.addr,
- op->u.munmap.len,
- op->u.mprotect.r,
- op->u.mprotect.w,
- op->u.mprotect.x, 1);
- protect_memory(op->u.mprotect.addr, op->u.munmap.len,
- op->u.mprotect.r, op->u.mprotect.w,
- op->u.mprotect.x, 1);
- break;
- default:
- printk("Unknown op type %d in do_ops\n", op->type);
- break;
- }
- }
-
- return ret;
-}
-
-static void fix_range(struct mm_struct *mm, unsigned long start_addr,
- unsigned long end_addr, int force)
-{
- if((current->thread.mode.tt.extern_pid != -1) &&
- (current->thread.mode.tt.extern_pid != os_getpid()))
- panic("fix_range fixing wrong address space, current = 0x%p",
- current);
-
- fix_range_common(mm, start_addr, end_addr, force, do_ops);
-}
-
-atomic_t vmchange_seq = ATOMIC_INIT(1);
-
-void flush_tlb_kernel_range_tt(unsigned long start, unsigned long end)
-{
- if(flush_tlb_kernel_range_common(start, end))
- atomic_inc(&vmchange_seq);
-}
-
-void flush_tlb_kernel_vm_tt(void)
-{
- flush_tlb_kernel_range(start_vm, end_vm);
-}
-
-void __flush_tlb_one_tt(unsigned long addr)
-{
- flush_tlb_kernel_range(addr, addr + PAGE_SIZE);
-}
-
-void flush_tlb_range_tt(struct vm_area_struct *vma, unsigned long start,
- unsigned long end)
-{
- if(vma->vm_mm != current->mm) return;
-
- /* Assumes that the range start ... end is entirely within
- * either process memory or kernel vm
- */
- if((start >= start_vm) && (start < end_vm)){
- if(flush_tlb_kernel_range_common(start, end))
- atomic_inc(&vmchange_seq);
- }
- else fix_range(vma->vm_mm, start, end, 0);
-}
-
-void flush_tlb_mm_tt(struct mm_struct *mm)
-{
- unsigned long seq;
-
- if(mm != current->mm) return;
-
- fix_range(mm, 0, STACK_TOP, 0);
-
- seq = atomic_read(&vmchange_seq);
- if(current->thread.mode.tt.vm_seq == seq)
- return;
- current->thread.mode.tt.vm_seq = seq;
- flush_tlb_kernel_range_common(start_vm, end_vm);
-}
-
-void force_flush_all_tt(void)
-{
- fix_range(current->mm, 0, STACK_TOP, 1);
- flush_tlb_kernel_range_common(start_vm, end_vm);
-}
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