0,0 → 1,67 |
/* |
* 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 <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(config.memory_size), |
BOOT_PAGE_TABLE_START_FRAME + BOOT_PAGE_TABLE_SIZE_IN_FRAMES, 0); |
last_frame = config.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); |
} |
} |
|
/** @} |
*/ |