| 0,0 → 1,68 |
|---|
| /* |
| * Copyright (c) 2007 Pavel Jancik, Michal Kebrt |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * - The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| /** @addtogroup arm32mm |
| * @{ |
| */ |
| /** @file |
| * @brief Frame related functions. |
| */ |
| |
| #include <mm/frame.h> |
| #include <arch/mm/frame.h> |
| #include <arch/machine.h> |
| #include <config.h> |
| #include <arch/debug/print.h> |
| |
| /** Address of the last frame in the memory. */ |
| uintptr_t last_frame = 0; |
| |
| /** Creates memory zones. */ |
| void frame_arch_init(void) |
| { |
| /* all memory as one zone */ |
| zone_create(0, ADDR2PFN(machine_get_memory_size()), |
| BOOT_PAGE_TABLE_START_FRAME + BOOT_PAGE_TABLE_SIZE_IN_FRAMES, 0); |
| last_frame = machine_get_memory_size(); |
| |
| /* blacklist boot page table */ |
| frame_mark_unavailable(BOOT_PAGE_TABLE_START_FRAME, |
| BOOT_PAGE_TABLE_SIZE_IN_FRAMES); |
| } |
| |
| /** Frees the boot page table. */ |
| void boot_page_table_free(void) |
| { |
| int i; |
| for (i = 0; i < BOOT_PAGE_TABLE_SIZE_IN_FRAMES; i++) { |
| frame_free(i * FRAME_SIZE + BOOT_PAGE_TABLE_ADDRESS); |
| } |
| } |
| |
| /** @} |
| */ |