init.c (d585a021c0b10b0477d6b608c53e1feb8cde0507) init.c (bb86bf28aec6d0a207ae09f38a43e94133d4d6db)
1/*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * Copyright (C) 1994 - 2000 Ralf Baechle
7 * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
8 * Kevin D. Kissell, kevink@mips.com and Carsten Langgaard, carstenl@mips.com

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99 }
100
101 size = PAGE_SIZE << order;
102 zero_page_mask = (size - 1) & PAGE_MASK;
103
104 return 1UL << order;
105}
106
1/*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * Copyright (C) 1994 - 2000 Ralf Baechle
7 * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
8 * Kevin D. Kissell, kevink@mips.com and Carsten Langgaard, carstenl@mips.com

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99 }
100
101 size = PAGE_SIZE << order;
102 zero_page_mask = (size - 1) & PAGE_MASK;
103
104 return 1UL << order;
105}
106
107/*
108 * These are almost like kmap_atomic / kunmap_atmic except they take an
109 * additional address argument as the hint.
110 */
111
112#define kmap_get_fixmap_pte(vaddr) \
113 pte_offset_kernel(pmd_offset(pud_offset(pgd_offset_k(vaddr), (vaddr)), (vaddr)), (vaddr))
114
115#ifdef CONFIG_MIPS_MT_SMTC
116static pte_t *kmap_coherent_pte;
117static void __init kmap_coherent_init(void)
118{
119 unsigned long vaddr;
120
121 /* cache the first coherent kmap pte */
122 vaddr = __fix_to_virt(FIX_CMAP_BEGIN);

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259 kunmap_coherent();
260 } else {
261 memcpy(dst, src, len);
262 if (cpu_has_dc_aliases)
263 SetPageDcacheDirty(page);
264 }
265}
266
107#ifdef CONFIG_MIPS_MT_SMTC
108static pte_t *kmap_coherent_pte;
109static void __init kmap_coherent_init(void)
110{
111 unsigned long vaddr;
112
113 /* cache the first coherent kmap pte */
114 vaddr = __fix_to_virt(FIX_CMAP_BEGIN);

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251 kunmap_coherent();
252 } else {
253 memcpy(dst, src, len);
254 if (cpu_has_dc_aliases)
255 SetPageDcacheDirty(page);
256 }
257}
258
267#ifdef CONFIG_HIGHMEM
268unsigned long highstart_pfn, highend_pfn;
269
270pte_t *kmap_pte;
271pgprot_t kmap_prot;
272
273static void __init kmap_init(void)
274{
275 unsigned long kmap_vstart;
276
277 /* cache the first kmap pte */
278 kmap_vstart = __fix_to_virt(FIX_KMAP_BEGIN);
279 kmap_pte = kmap_get_fixmap_pte(kmap_vstart);
280
281 kmap_prot = PAGE_KERNEL;
282}
283#endif /* CONFIG_HIGHMEM */
284
285void __init fixrange_init(unsigned long start, unsigned long end,
286 pgd_t *pgd_base)
287{
288#if defined(CONFIG_HIGHMEM) || defined(CONFIG_MIPS_MT_SMTC)
289 pgd_t *pgd;
290 pud_t *pud;
291 pmd_t *pmd;
292 pte_t *pte;

--- 216 unchanged lines hidden --- 		259void __init fixrange_init(unsigned long start, unsigned long end,
260 pgd_t *pgd_base)
261{
262#if defined(CONFIG_HIGHMEM) || defined(CONFIG_MIPS_MT_SMTC)
263 pgd_t *pgd;
264 pud_t *pud;
265 pmd_t *pmd;
266 pte_t *pte;

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