1/* $Id: pgalloc.h,v 1.1.1.1 2008/10/15 03:29:17 james26_jang Exp $ */ 2#ifndef _SPARC_PGALLOC_H 3#define _SPARC_PGALLOC_H 4 5#include <linux/config.h> 6#include <linux/kernel.h> 7#include <linux/sched.h> 8 9#include <asm/page.h> 10#include <asm/btfixup.h> 11 12/* Fine grained cache/tlb flushing. */ 13#ifdef CONFIG_SMP 14BTFIXUPDEF_CALL(void, local_flush_cache_all, void) 15BTFIXUPDEF_CALL(void, local_flush_cache_mm, struct mm_struct *) 16BTFIXUPDEF_CALL(void, local_flush_cache_range, struct mm_struct *, unsigned long, unsigned long) 17BTFIXUPDEF_CALL(void, local_flush_cache_page, struct vm_area_struct *, unsigned long) 18 19#define local_flush_cache_all() BTFIXUP_CALL(local_flush_cache_all)() 20#define local_flush_cache_mm(mm) BTFIXUP_CALL(local_flush_cache_mm)(mm) 21#define local_flush_cache_range(mm,start,end) BTFIXUP_CALL(local_flush_cache_range)(mm,start,end) 22#define local_flush_cache_page(vma,addr) BTFIXUP_CALL(local_flush_cache_page)(vma,addr) 23 24BTFIXUPDEF_CALL(void, local_flush_tlb_all, void) 25BTFIXUPDEF_CALL(void, local_flush_tlb_mm, struct mm_struct *) 26BTFIXUPDEF_CALL(void, local_flush_tlb_range, struct mm_struct *, unsigned long, unsigned long) 27BTFIXUPDEF_CALL(void, local_flush_tlb_page, struct vm_area_struct *, unsigned long) 28 29#define local_flush_tlb_all() BTFIXUP_CALL(local_flush_tlb_all)() 30#define local_flush_tlb_mm(mm) BTFIXUP_CALL(local_flush_tlb_mm)(mm) 31#define local_flush_tlb_range(mm,start,end) BTFIXUP_CALL(local_flush_tlb_range)(mm,start,end) 32#define local_flush_tlb_page(vma,addr) BTFIXUP_CALL(local_flush_tlb_page)(vma,addr) 33 34BTFIXUPDEF_CALL(void, local_flush_page_to_ram, unsigned long) 35BTFIXUPDEF_CALL(void, local_flush_sig_insns, struct mm_struct *, unsigned long) 36 37#define local_flush_page_to_ram(addr) BTFIXUP_CALL(local_flush_page_to_ram)(addr) 38#define local_flush_sig_insns(mm,insn_addr) BTFIXUP_CALL(local_flush_sig_insns)(mm,insn_addr) 39 40extern void smp_flush_cache_all(void); 41extern void smp_flush_cache_mm(struct mm_struct *mm); 42extern void smp_flush_cache_range(struct mm_struct *mm, 43 unsigned long start, 44 unsigned long end); 45extern void smp_flush_cache_page(struct vm_area_struct *vma, unsigned long page); 46 47extern void smp_flush_tlb_all(void); 48extern void smp_flush_tlb_mm(struct mm_struct *mm); 49extern void smp_flush_tlb_range(struct mm_struct *mm, 50 unsigned long start, 51 unsigned long end); 52extern void smp_flush_tlb_page(struct vm_area_struct *mm, unsigned long page); 53extern void smp_flush_page_to_ram(unsigned long page); 54extern void smp_flush_sig_insns(struct mm_struct *mm, unsigned long insn_addr); 55#endif 56 57BTFIXUPDEF_CALL(void, flush_cache_all, void) 58BTFIXUPDEF_CALL(void, flush_cache_mm, struct mm_struct *) 59BTFIXUPDEF_CALL(void, flush_cache_range, struct mm_struct *, unsigned long, unsigned long) 60BTFIXUPDEF_CALL(void, flush_cache_page, struct vm_area_struct *, unsigned long) 61 62#define flush_cache_all() BTFIXUP_CALL(flush_cache_all)() 63#define flush_cache_mm(mm) BTFIXUP_CALL(flush_cache_mm)(mm) 64#define flush_cache_range(mm,start,end) BTFIXUP_CALL(flush_cache_range)(mm,start,end) 65#define flush_cache_page(vma,addr) BTFIXUP_CALL(flush_cache_page)(vma,addr) 66#define flush_icache_range(start, end) do { } while (0) 67 68BTFIXUPDEF_CALL(void, flush_tlb_all, void) 69BTFIXUPDEF_CALL(void, flush_tlb_mm, struct mm_struct *) 70BTFIXUPDEF_CALL(void, flush_tlb_range, struct mm_struct *, unsigned long, unsigned long) 71BTFIXUPDEF_CALL(void, flush_tlb_page, struct vm_area_struct *, unsigned long) 72 73extern __inline__ void flush_tlb_pgtables(struct mm_struct *mm, unsigned long start, unsigned long end) 74{ 75} 76 77#define flush_tlb_all() BTFIXUP_CALL(flush_tlb_all)() 78#define flush_tlb_mm(mm) BTFIXUP_CALL(flush_tlb_mm)(mm) 79#define flush_tlb_range(mm,start,end) BTFIXUP_CALL(flush_tlb_range)(mm,start,end) 80#define flush_tlb_page(vma,addr) BTFIXUP_CALL(flush_tlb_page)(vma,addr) 81 82BTFIXUPDEF_CALL(void, __flush_page_to_ram, unsigned long) 83BTFIXUPDEF_CALL(void, flush_sig_insns, struct mm_struct *, unsigned long) 84 85#define __flush_page_to_ram(addr) BTFIXUP_CALL(__flush_page_to_ram)(addr) 86#define flush_sig_insns(mm,insn_addr) BTFIXUP_CALL(flush_sig_insns)(mm,insn_addr) 87 88extern void flush_page_to_ram(struct page *page); 89 90#define flush_dcache_page(page) do { } while (0) 91 92extern struct pgtable_cache_struct { 93 unsigned long *pgd_cache; 94 unsigned long *pte_cache; 95 unsigned long pgtable_cache_sz; 96 unsigned long pgd_cache_sz; 97} pgt_quicklists; 98#define pgd_quicklist (pgt_quicklists.pgd_cache) 99#define pmd_quicklist ((unsigned long *)0) 100#define pte_quicklist (pgt_quicklists.pte_cache) 101#define pgtable_cache_size (pgt_quicklists.pgtable_cache_sz) 102#define pgd_cache_size (pgt_quicklists.pgd_cache_sz) 103 104BTFIXUPDEF_CALL(int, do_check_pgt_cache, int, int) 105#define do_check_pgt_cache(low,high) BTFIXUP_CALL(do_check_pgt_cache)(low,high) 106 107BTFIXUPDEF_CALL(pgd_t *, get_pgd_fast, void) 108#define get_pgd_fast() BTFIXUP_CALL(get_pgd_fast)() 109 110BTFIXUPDEF_CALL(void, free_pgd_fast, pgd_t *) 111#define free_pgd_fast(pgd) BTFIXUP_CALL(free_pgd_fast)(pgd) 112 113#define pgd_free(pgd) free_pgd_fast(pgd) 114#define pgd_alloc(mm) get_pgd_fast() 115 116#define pgd_populate(MM, PGD, PMD) pgd_set(PGD, PMD) 117 118static __inline__ pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address) 119{ 120 return 0; 121} 122 123BTFIXUPDEF_CALL(pmd_t *, pmd_alloc_one_fast, struct mm_struct *, unsigned long) 124#define pmd_alloc_one_fast(mm, address) BTFIXUP_CALL(pmd_alloc_one_fast)(mm, address) 125 126BTFIXUPDEF_CALL(void, free_pmd_fast, pmd_t *) 127#define free_pmd_fast(pmd) BTFIXUP_CALL(free_pmd_fast)(pmd) 128 129#define pmd_free(pmd) free_pmd_fast(pmd) 130 131#define pmd_populate(MM, PMD, PTE) pmd_set(PMD, PTE) 132 133BTFIXUPDEF_CALL(pte_t *, pte_alloc_one, struct mm_struct *, unsigned long) 134#define pte_alloc_one(mm, address) BTFIXUP_CALL(pte_alloc_one)(mm, address) 135 136BTFIXUPDEF_CALL(pte_t *, pte_alloc_one_fast, struct mm_struct *, unsigned long) 137#define pte_alloc_one_fast(mm, address) BTFIXUP_CALL(pte_alloc_one_fast)(mm, address) 138 139BTFIXUPDEF_CALL(void, free_pte_fast, pte_t *) 140#define free_pte_fast(pte) BTFIXUP_CALL(free_pte_fast)(pte) 141 142#define pte_free(pte) free_pte_fast(pte) 143 144#endif /* _SPARC_PGALLOC_H */ 145