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Compare Revisions

• This comparison shows the changes necessary to convert path

  → /branches/tracing/kernel/arch/ia64/src/mm/page.c @ 4376

  → /branches/tracing/kernel/arch/ia64/src/mm/page.c @ 4377

  ↔ Reverse comparison

• Compare Path:	Rev

  With Path:	Rev

Ignore whitespace Rev 4376 → Rev 4377

/branches/tracing/kernel/arch/ia64/src/mm/page.c
27,7 → 27,7
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/** @addtogroup ia64mm
/** @addtogroup ia64mm
* @{
*/
/** @file
63,9 → 63,9
void set_environment(void)
{
region_register rr;
pta_register pta;
pta_register pta;
int i;
#ifdef CONFIG_VHPT
#ifdef CONFIG_VHPT
uintptr_t vhpt_base;
#endif
123,10 → 123,10
*
* Interrupts must be disabled.
*
* @param page Address of virtual page including VRN bits.
* @param asid Address space identifier.
* @param page Address of virtual page including VRN bits.
* @param asid Address space identifier.
*
* @return VHPT entry address.
* @return VHPT entry address.
*/
vhpt_entry_t *vhpt_hash(uintptr_t page, asid_t asid)
{
167,10 → 167,11
*
* Interrupts must be disabled.
*
* @param page Address of virtual page including VRN bits.
* @param asid Address space identifier.
* @param page Address of virtual page including VRN bits.
* @param asid Address space identifier.
*
* @return True if page and asid match the page and asid of t, false otherwise.
* @return True if page and asid match the page and asid of t,
* false otherwise.
*/
bool vhpt_compare(uintptr_t page, asid_t asid, vhpt_entry_t *v)
{
211,12 → 212,15
/** Set up one VHPT entry.
*
* @param v VHPT entry to be set up.
* @param page Virtual address of the page mapped by the entry.
* @param asid Address space identifier of the address space to which page belongs.
* @param frame Physical address of the frame to wich page is mapped.
* @param flags Different flags for the mapping.
* @param page Virtual address of the page mapped by the entry.
* @param asid Address space identifier of the address space to which
* page belongs.
* @param frame Physical address of the frame to wich page is mapped.
* @param flags Different flags for the mapping.
*/
void vhpt_set_record(vhpt_entry_t *v, uintptr_t page, asid_t asid, uintptr_t frame, int flags)
void
vhpt_set_record(vhpt_entry_t *v, uintptr_t page, asid_t asid, uintptr_t frame,
int flags)
{
region_register rr_save, rr;
index_t vrn;
250,7 → 254,8
v->word[3] = 0;
v->present.p = true;
v->present.ma = (flags & PAGE_CACHEABLE) ? MA_WRITEBACK : MA_UNCACHEABLE;
v->present.ma = (flags & PAGE_CACHEABLE) ?
MA_WRITEBACK : MA_UNCACHEABLE;
v->present.a = false; /* not accessed */
v->present.d = false; /* not dirty */
v->present.pl = (flags & PAGE_USER) ? PL_USER : PL_KERNEL;
263,27 → 268,11
v->present.tag.tag_word = tag;
}
extern uintptr_t last_frame;
uintptr_t hw_map(uintptr_t physaddr, size_t size)
uintptr_t hw_map(uintptr_t physaddr, size_t size __attribute__ ((unused)))
{
if (last_frame + ALIGN_UP(size, PAGE_SIZE) > KA2PA(KERNEL_ADDRESS_SPACE_END_ARCH))
panic("Unable to map physical memory %p (%d bytes)", physaddr, size)
uintptr_t virtaddr = PA2KA(last_frame);
pfn_t i;
for (i = 0; i < ADDR2PFN(ALIGN_UP(size, PAGE_SIZE)); i++) {
uintptr_t addr = PFN2ADDR(i);
page_mapping_insert(AS_KERNEL, virtaddr + addr, physaddr + addr, PAGE_NOT_CACHEABLE | PAGE_WRITE);
}
last_frame = ALIGN_UP(last_frame + size, FRAME_SIZE);
return virtaddr;
/* THIS is a dirty hack. */
return (uintptr_t)((uint64_t)(PA2KA(physaddr)) + VIO_OFFSET);
}
/** @}
*/