tlb.c (e5451c8f8330e03ad3cfa16048b4daf961af434f) tlb.c (195568a10a264a733ec7151a657ab054a0af768f)
1/*
2 * Nios2 TLB handling
3 *
4 * Copyright (C) 2009, Wind River Systems Inc
5 * Implemented by fredrik.markstrom@gmail.com and ivarholmqvist@gmail.com
6 *
7 * This file is subject to the terms and conditions of the GNU General Public
8 * License. See the file "COPYING" in the main directory of this archive

--- 88 unchanged lines hidden (view full) ---

97 unsigned long mmu_pid = get_pid_from_context(&vma->vm_mm->context);
98
99 while (start < end) {
100 flush_tlb_one_pid(start, mmu_pid);
101 start += PAGE_SIZE;
102 }
103}
104
1/*
2 * Nios2 TLB handling
3 *
4 * Copyright (C) 2009, Wind River Systems Inc
5 * Implemented by fredrik.markstrom@gmail.com and ivarholmqvist@gmail.com
6 *
7 * This file is subject to the terms and conditions of the GNU General Public
8 * License. See the file "COPYING" in the main directory of this archive

--- 88 unchanged lines hidden (view full) ---

97 unsigned long mmu_pid = get_pid_from_context(&vma->vm_mm->context);
98
99 while (start < end) {
100 flush_tlb_one_pid(start, mmu_pid);
101 start += PAGE_SIZE;
102 }
103}
104
105void flush_tlb_kernel_range(unsigned long start, unsigned long end)
106{
107 while (start < end) {
108 flush_tlb_one(start);
109 start += PAGE_SIZE;
110 }
111}
112
113/*
114 * This one is only used for pages with the global bit set so we don't care
115 * much about the ASID.
116 */
105/*
106 * This one is only used for pages with the global bit set so we don't care
107 * much about the ASID.
108 */
117void flush_tlb_one(unsigned long addr)
109static void flush_tlb_one(unsigned long addr)
118{
119 unsigned int way;
120 unsigned long org_misc, pid_misc;
121
122 pr_debug("Flush tlb-entry for vaddr=%#lx\n", addr);
123
124 /* remember pid/way until we return. */
125 get_misc_and_pid(&org_misc, &pid_misc);

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149 WRCTL(CTL_TLBMISC, tlbmisc);
150 WRCTL(CTL_TLBACC, (MAX_PHYS_ADDR >> PAGE_SHIFT));
151 }
152 }
153
154 WRCTL(CTL_TLBMISC, org_misc);
155}
156
110{
111 unsigned int way;
112 unsigned long org_misc, pid_misc;
113
114 pr_debug("Flush tlb-entry for vaddr=%#lx\n", addr);
115
116 /* remember pid/way until we return. */
117 get_misc_and_pid(&org_misc, &pid_misc);

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141 WRCTL(CTL_TLBMISC, tlbmisc);
142 WRCTL(CTL_TLBACC, (MAX_PHYS_ADDR >> PAGE_SHIFT));
143 }
144 }
145
146 WRCTL(CTL_TLBMISC, org_misc);
147}
148
149void flush_tlb_kernel_range(unsigned long start, unsigned long end)
150{
151 while (start < end) {
152 flush_tlb_one(start);
153 start += PAGE_SIZE;
154 }
155}
156
157void dump_tlb_line(unsigned long line)
158{
159 unsigned int way;
160 unsigned long org_misc;
161
162 pr_debug("dump tlb-entries for line=%#lx (addr %08lx)\n", line,
163 line << (PAGE_SHIFT + cpuinfo.tlb_num_ways_log2));
164

--- 111 unchanged lines hidden --- 		157void dump_tlb_line(unsigned long line)
158{
159 unsigned int way;
160 unsigned long org_misc;
161
162 pr_debug("dump tlb-entries for line=%#lx (addr %08lx)\n", line,
163 line << (PAGE_SHIFT + cpuinfo.tlb_num_ways_log2));
164

--- 111 unchanged lines hidden ---