Subversion Repositories HelenOS

Rev

Rev 2071 | Rev 2465 | Go to most recent revision | Show entire file | Regard whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 2071 Rev 2089
Line 93... Line 93...
93 
#define PTE_WRITABLE_ARCH(p)            ((p)->writeable != 0)
 93 
#define PTE_WRITABLE_ARCH(p)            ((p)->writeable != 0)
94 
#define PTE_EXECUTABLE_ARCH(p)          1
 94 
#define PTE_EXECUTABLE_ARCH(p)          1
95 
 
 95 
 
96 
#ifndef __ASM__
 96 
#ifndef __ASM__
97 
 
 97 
 
98 
#include <mm/page.h>
 98 
#include <mm/mm.h>
99 
#include <arch/types.h>
 - 
 
100 
#include <arch/mm/frame.h>
 99 
#include <arch/interrupt.h>
101 
#include <typedefs.h>
 - 
 
102 
 
 100 
 
103 
/* Page fault error codes. */
 101 
/* Page fault error codes. */
104 
 
 102 
 
105 
/** When bit on this position is 0, the page fault was caused by a not-present page. */
 103 
/** When bit on this position is 0, the page fault was caused by a not-present page. */
106 
#define PFERR_CODE_P        (1<<0)
 104 
#define PFERR_CODE_P        (1 << 0)
Line 112... Line 110...
112 
#define PFERR_CODE_US       (1<<2)
 110 
#define PFERR_CODE_US       (1 << 2)
113 
 
 111 
 
114 
/** When bit on this position is 1, a reserved bit was set in page directory. */
 112 
/** When bit on this position is 1, a reserved bit was set in page directory. */
115 
#define PFERR_CODE_RSVD     (1<<3) 
113 
#define PFERR_CODE_RSVD     (1 << 3)   
116 
 
 114 
 
117 
/** Page Table Entry. */
 - 
 
118 
struct page_specifier {
 - 
 
119 
    unsigned present : 1;
 - 
 
120 
    unsigned writeable : 1;
 - 
 
121 
    unsigned uaccessible : 1;
 - 
 
122 
    unsigned page_write_through : 1;
 - 
 
123 
    unsigned page_cache_disable : 1;
 - 
 
124 
    unsigned accessed : 1;
 - 
 
125 
    unsigned dirty : 1;
 - 
 
126 
    unsigned pat : 1;
 - 
 
127 
    unsigned global : 1;
 - 
 
128 
    unsigned soft_valid : 1;    /**< Valid content even if the present bit is not set. */
 - 
 
129 
    unsigned avl : 2;
 - 
 
130 
    unsigned frame_address : 20;
 - 
 
131 
} __attribute__ ((packed));
 - 
 
132 
 
 - 
 
133 
static inline int get_pt_flags(pte_t *pt, index_t i)
 115 
static inline int get_pt_flags(pte_t *pt, index_t i)
134 
{
 116 
{
135 
    pte_t *p = &pt[i];
 117 
    pte_t *p = &pt[i];
136 
   
 118 
   
137 
    return (
 119 
    return (