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* Copyright (c) 2007 Pavel Jancik, Michal Kebrt
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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 arm32mm
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* @brief Frame related functions.
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#include <arch/mm/frame.h>
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#ifdef MACHINE_testarm
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#include <arch/mach/testarm/testarm.h>
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#ifdef MACHINE_integratorcp
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#include <arch/mach/integratorcp/integratorcp.h>
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/** Address of the last frame in the memory. */
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uintptr_t last_frame = 0;
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/** Creates memory zones. */
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void frame_arch_init(void)
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last_frame = machine_get_memory_size();
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/* All memory as one zone */
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zone_create(0, ADDR2PFN(last_frame),
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BOOT_PAGE_TABLE_START_FRAME + BOOT_PAGE_TABLE_SIZE_IN_FRAMES, 0);
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/* blacklist boot page table */
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frame_mark_unavailable(BOOT_PAGE_TABLE_START_FRAME,
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BOOT_PAGE_TABLE_SIZE_IN_FRAMES);
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/** Frees the boot page table. */
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void boot_page_table_free(void)
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for (i = 0; i < BOOT_PAGE_TABLE_SIZE_IN_FRAMES; i++)
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frame_free(i * FRAME_SIZE + BOOT_PAGE_TABLE_ADDRESS);