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* Copyright (c) 2006 Jakub Jermar
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* - The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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/** @addtogroup ia64mm
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#include <arch/mm/as.h>
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#include <arch/mm/asid.h>
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#include <arch/mm/page.h>
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#include <genarch/mm/as_ht.h>
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#include <genarch/mm/page_ht.h>
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#include <genarch/mm/asid_fifo.h>
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#include <arch/barrier.h>
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/** Architecture dependent address space init. */
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void as_arch_init(void)
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as_operations = &as_ht_operations;
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/** Prepare registers for switching to another address space.
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* @param as Address space.
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void as_install_arch(as_t *as)
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ASSERT(as->asid != ASID_INVALID);
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* Load respective ASID (7 consecutive RIDs) to
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for (i = 0; i < REGION_REGISTERS; i++) {
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rr.map.ve = false; /* disable VHPT walker */
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rr.map.rid = ASID2RID(as->asid, i);
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rr.map.ps = PAGE_WIDTH;