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Compare Revisions

• This comparison shows the changes necessary to convert path

  → /SPARTAN/trunk/arch/ia32/src/mm/page.c @ 105

  → /SPARTAN/trunk/arch/ia32/src/mm/page.c @ 106

  ↔ Reverse comparison

• Compare Path:	Rev

  With Path:	Rev

Ignore whitespace Rev 105 → Rev 106

/SPARTAN/trunk/arch/ia32/src/mm/page.c
35,6 → 35,7
#include <arch/interrupt.h>
#include <arch/asm.h>
#include <synch/spinlock.h>
#include <debug.h>
/*
* Note.
53,7 → 54,7
__u32 i;
if (config.cpu_active == 1) {
dba = KA2PA(frame_alloc(FRAME_KA | FRAME_PANIC));
dba = frame_alloc(FRAME_KA | FRAME_PANIC);
memsetb(dba, PAGE_SIZE, 0);
bootstrap_dba = dba;
68,7 → 69,7
}
trap_register(14, page_fault);
cpu_write_dba(dba);
cpu_write_dba(KA2PA(dba));
}
else {
81,7 → 82,7
dba = frame_alloc(FRAME_KA | FRAME_PANIC);
memcopy(bootstrap_dba, dba, PAGE_SIZE);
cpu_write_dba(dba);
cpu_write_dba(KA2PA(dba));
}
paging_on();
121,16 → 122,16
* There is currently no page table for this address. Allocate
* frame for the page table and clean it.
*/
newpt = KA2PA(frame_alloc(FRAME_KA));
pd[pde].frame_address = newpt >> 12;
newpt = frame_alloc(FRAME_KA);
pd[pde].frame_address = KA2PA(newpt) >> 12;
memsetb(newpt, PAGE_SIZE, 0);
pd[pde].present = 1;
pd[pde].uaccessible = 1;
}
if (copy) {
newpt = KA2PA(frame_alloc(FRAME_KA));
newpt = frame_alloc(FRAME_KA);
memcopy(pd[pde].frame_address << 12, newpt, PAGE_SIZE);
pd[pde].frame_address = newpt >> 12;
pd[pde].frame_address = KA2PA(newpt) >> 12;
}
pt = (struct page_specifier *) (pd[pde].frame_address << 12);