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Diff for /src/sys/arch/i386/include/pmap.h between version 1.43 and 1.43.2.6

version 1.43, 2000/02/11 07:00:13 version 1.43.2.6, 2000/09/23 16:05:59
Line 60 
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  * (the following assumes that KERNBASE is 0xc0000000)   * (the following assumes that KERNBASE is 0xc0000000)
  *   *
  * PDE#s        VA range                usage   * PDE#s        VA range                usage
  * 0->767       0x0 -> 0xbfc00000       user address space, note that the   * 0->766       0x0 -> 0xbfc00000       user address space, note that the
  *                                      max user address is 0xbfbfe000   *                                      max user address is 0xbfbfe000
  *                                      the final two pages in the last 4MB   *                                      the final two pages in the last 4MB
  *                                      used to be reserved for the UAREA   *                                      used to be reserved for the UAREA
  *                                      but now are no longer used   *                                      but now are no longer used
  * 768          0xbfc00000->            recursive mapping of PDP (used for   * 767          0xbfc00000->            recursive mapping of PDP (used for
  *                      0xc0000000      linear mapping of PTPs)   *                      0xc0000000      linear mapping of PTPs)
  * 768->1023    0xc0000000->            kernel address space (constant   * 768->1023    0xc0000000->            kernel address space (constant
  *                      0xffc00000      across all pmap's/processes)   *                      0xffc00000      across all pmap's/processes)
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  * note that in the APTE_BASE space, the APDP appears at VA   * note that in the APTE_BASE space, the APDP appears at VA
  * "APDP_BASE" (0xfffff000).   * "APDP_BASE" (0xfffff000).
  */   */
   /* XXX MP should we allocate one APDP_PDE per processor?? */
   
 /*  /*
  * the following defines identify the slots used as described above.   * the following defines identify the slots used as described above.
Line 238 
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 #define PG_PVLIST       PG_AVAIL2       /* mapping has entry on pvlist */  #define PG_PVLIST       PG_AVAIL2       /* mapping has entry on pvlist */
 /* PG_AVAIL3 not used */  /* PG_AVAIL3 not used */
   
   /*
    * Number of PTE's per cache line.  4 byte pte, 32-byte cache line
    * Used to avoid false sharing of cache lines.
    */
   #define NPTECL                  8
   
 #ifdef _KERNEL  #ifdef _KERNEL
 /*  /*
  * pmap data structures: see pmap.c for details of locking.   * pmap data structures: see pmap.c for details of locking.
Line 336  struct pv_page {
Line 343  struct pv_page {
  */   */
   
 #define PMAP_RR_MAX     16      /* max of 16 pages (64K) */  #define PMAP_RR_MAX     16      /* max of 16 pages (64K) */
   #if 0
 struct pmap_remove_record {  struct pmap_remove_record {
         int prr_npages;          int prr_npages;
         vaddr_t prr_vas[PMAP_RR_MAX];          vaddr_t prr_vas[PMAP_RR_MAX];
 };  };
   #endif
   
   #if 0
 /*  /*
  * pmap_transfer_location: used to pass the current location in the   * pmap_transfer_location: used to pass the current location in the
  * pmap between pmap_transfer and pmap_transfer_ptes [e.g. during   * pmap between pmap_transfer and pmap_transfer_ptes [e.g. during
Line 353  struct pmap_transfer_location {
Line 362  struct pmap_transfer_location {
         pt_entry_t *pte;                /* the PTE that maps address */          pt_entry_t *pte;                /* the PTE that maps address */
         struct vm_page *ptp;            /* the PTP that the PTE lives in */          struct vm_page *ptp;            /* the PTP that the PTE lives in */
 };  };
   #endif
   
 /*  /*
  * global kernel variables   * global kernel variables
Line 375  extern int pmap_pg_g;   /* do we support
Line 385  extern int pmap_pg_g;   /* do we support
   
 #define pmap_clear_modify(pg)           pmap_change_attrs(pg, 0, PG_M)  #define pmap_clear_modify(pg)           pmap_change_attrs(pg, 0, PG_M)
 #define pmap_clear_reference(pg)        pmap_change_attrs(pg, 0, PG_U)  #define pmap_clear_reference(pg)        pmap_change_attrs(pg, 0, PG_U)
 #define pmap_copy(DP,SP,D,L,S)          pmap_transfer(DP,SP,D,L,S, FALSE)  #define pmap_copy(DP,SP,D,L,S)
 #define pmap_is_modified(pg)            pmap_test_attrs(pg, PG_M)  #define pmap_is_modified(pg)            pmap_test_attrs(pg, PG_M)
 #define pmap_is_referenced(pg)          pmap_test_attrs(pg, PG_U)  #define pmap_is_referenced(pg)          pmap_test_attrs(pg, PG_U)
 #define pmap_move(DP,SP,D,L,S)          pmap_transfer(DP,SP,D,L,S, TRUE)  #define pmap_move(DP,SP,D,L,S)
 #define pmap_phys_address(ppn)          i386_ptob(ppn)  #define pmap_phys_address(ppn)          i386_ptob(ppn)
 #define pmap_valid_entry(E)             ((E) & PG_V) /* is PDE or PTE valid? */  #define pmap_valid_entry(E)             ((E) & PG_V) /* is PDE or PTE valid? */
   
Line 406  void  pmap_write_protect __P((struct pma
Line 416  void  pmap_write_protect __P((struct pma
   
 vaddr_t reserve_dumppages __P((vaddr_t)); /* XXX: not a pmap fn */  vaddr_t reserve_dumppages __P((vaddr_t)); /* XXX: not a pmap fn */
   
   #if defined(MULTIPROCESSOR)
   void    pmap_tlb_shootdown __P((pmap_t, vaddr_t, pt_entry_t));
   #endif /* MULTIPROCESSOR */
   void    pmap_tlb_dshootdown __P((pmap_t, vaddr_t, pt_entry_t));
   void    pmap_do_tlb_shootdown __P((struct cpu_info *));
   
 #define PMAP_GROWKERNEL         /* turn on pmap_growkernel interface */  #define PMAP_GROWKERNEL         /* turn on pmap_growkernel interface */
   
 /*  /*
    * Do idle page zero'ing uncached to avoid polluting the cache.
    */
   void            pmap_zero_page_uncached __P((paddr_t));
   #define PMAP_PAGEIDLEZERO(pa)   (pmap_zero_page_uncached((pa)), TRUE)
   
   /*
  * inline functions   * inline functions
  */   */
   
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Removed from v.1.43  
changed lines
  Added in v.1.43.2.6
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