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Compare Revisions

• This comparison shows the changes necessary to convert path

  → /trunk/kernel/arch/amd64/src/ddi/ddi.c @ 2629

  → /trunk/kernel/arch/amd64/src/ddi/ddi.c @ 2630

  ↔ Reverse comparison

• Compare Path:	Rev

  With Path:	Rev

Ignore whitespace Rev 2629 → Rev 2630

/trunk/kernel/arch/amd64/src/ddi/ddi.c
74,13 → 74,15
if (!newmap)
return ENOMEM;
bitmap_initialize(&oldiomap, task->arch.iomap.map, task->arch.iomap.bits);
bitmap_initialize(&oldiomap, task->arch.iomap.map,
task->arch.iomap.bits);
bitmap_initialize(&task->arch.iomap, newmap, bits);
/*
* Mark the new range inaccessible.
*/
bitmap_set_range(&task->arch.iomap, oldiomap.bits, bits - oldiomap.bits);
bitmap_set_range(&task->arch.iomap, oldiomap.bits,
bits - oldiomap.bits);
/*
* In case there really existed smaller iomap,
87,7 → 89,8
* copy its contents and deallocate it.
*/
if (oldiomap.bits) {
bitmap_copy(&task->arch.iomap, &oldiomap, oldiomap.bits);
bitmap_copy(&task->arch.iomap, &oldiomap,
oldiomap.bits);
free(oldiomap.map);
}
}
127,11 → 130,12
bitmap_t iomap;
ASSERT(TASK->arch.iomap.map);
bitmap_initialize(&iomap, CPU->arch.tss->iomap, TSS_IOMAP_SIZE * 8);
bitmap_initialize(&iomap, CPU->arch.tss->iomap,
TSS_IOMAP_SIZE * 8);
bitmap_copy(&iomap, &TASK->arch.iomap, TASK->arch.iomap.bits);
/*
* It is safe to set the trailing eight bits because of the extra
* convenience byte in TSS_IOMAP_SIZE.
* It is safe to set the trailing eight bits because of the
* extra convenience byte in TSS_IOMAP_SIZE.
*/
bitmap_set_range(&iomap, ALIGN_UP(TASK->arch.iomap.bits, 8), 8);
}