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Compare Revisions

• This comparison shows the changes necessary to convert path

  → /SPARTAN/trunk/arch/ia32/src/mm/page.c @ 112

  → /SPARTAN/trunk/arch/ia32/src/mm/page.c @ 113

  ↔ Reverse comparison

• Compare Path:	Rev

  With Path:	Rev

Ignore whitespace Rev 112 → Rev 113

/SPARTAN/trunk/arch/ia32/src/mm/page.c
64,8 → 64,8
* PA2KA(identity) mapping for all but 0th page.
*/
for (i = 1; i < frames; i++) {
map_page_to_frame(i * PAGE_SIZE, i * PAGE_SIZE, PAGE_CACHEABLE, dba);
map_page_to_frame(PA2KA(i * PAGE_SIZE), i * PAGE_SIZE, PAGE_CACHEABLE, dba);
map_page_to_frame(i * PAGE_SIZE, i * PAGE_SIZE, PAGE_CACHEABLE, KA2PA(dba));
map_page_to_frame(PA2KA(i * PAGE_SIZE), i * PAGE_SIZE, PAGE_CACHEABLE, KA2PA(dba));
}
trap_register(14, page_fault);
112,7 → 112,7
pde = page >> 22; /* page directory entry */
pte = (page >> 12) & 0x3ff; /* page table entry */
pd = (struct page_specifier *) dba;
pd = (struct page_specifier *) PA2KA(dba);
if (!pd[pde].present) {
/*
126,7 → 126,7
pd[pde].uaccessible = 1;
}
pt = (struct page_specifier *) (pd[pde].frame_address << 12);
pt = (struct page_specifier *) PA2KA((pd[pde].frame_address << 12));
pt[pte].frame_address = frame >> 12;
pt[pte].present = !(flags & PAGE_NOT_PRESENT);