/*
* 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
*/
#include <arch/mm/page.h>
#include <genarch/mm/page_pt.h>
#include <mm/page.h>
#include <mm/tlb.h>
#include <align.h>
#include <config.h>
#include "../aux_print/printf.h"
void page_arch_init(void)
{
uintptr_t cur;
int flags;
page_mapping_operations = &pt_mapping_operations;
flags = PAGE_CACHEABLE;
/* PA2KA(identity) mapping for all frames until last_frame */
for (cur = 0; cur < last_frame; cur += FRAME_SIZE) {
page_mapping_insert(AS_KERNEL, PA2KA(cur), cur, flags);
}
// TODO: move to the kernel space
page_mapping_insert(AS_KERNEL, 0x00000000, 0x00000000, flags);
page_mapping_insert(AS_KERNEL, 0x10000000, 0x10000000, flags);
page_mapping_insert(AS_KERNEL, 0x15000000, 0x15000000, flags);
page_mapping_insert(AS_KERNEL, 0x16000000, 0x16000000, flags);
tlb_invalidate_all();
SET_PTL0_ADDRESS_ARCH(AS_KERNEL->genarch.page_table);
// note for Alf: kernel part of page table is copied in generic/mm/as_pt.c/ptl0_create
// TODO: register fault routine
}
/** Map device into kernel space. */
uintptr_t hw_map(uintptr_t physaddr, size_t size)
{
/* TODO */
return NULL;
}
/** @}
*/