Subversion Repositories HelenOS

Rev

Rev 4223 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
426 jermar 1 
/*
4140 jermar 2 
 * Copyright (c) 2009 Jakub Jermar
426 jermar 3 
 * All rights reserved.
4 
 *
5 
 * Redistribution and use in source and binary forms, with or without
6 
 * modification, are permitted provided that the following conditions
7 
 * are met:
8 
 *
9 
 * - Redistributions of source code must retain the above copyright
10 
 *   notice, this list of conditions and the following disclaimer.
11 
 * - Redistributions in binary form must reproduce the above copyright
12 
 *   notice, this list of conditions and the following disclaimer in the
13 
 *   documentation and/or other materials provided with the distribution.
14 
 * - The name of the author may not be used to endorse or promote products
15 
 *   derived from this software without specific prior written permission.
16 
 *
17 
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 
 */
28 
 
3940 decky 29 
/** @addtogroup sparc64mm
1702 cejka 30 
 * @{
31 
 */
32 
/** @file
33 
 */
34 
 
426 jermar 35 
#include <arch/mm/page.h>
1382 decky 36 
#include <arch/mm/tlb.h>
684 jermar 37 
#include <genarch/mm/page_ht.h>
1382 decky 38 
#include <mm/frame.h>
1793 jermar 39 
#include <arch/mm/frame.h>
1382 decky 40 
#include <bitops.h>
1410 jermar 41 
#include <debug.h>
1793 jermar 42 
#include <align.h>
1903 jermar 43 
#include <config.h>
426 jermar 44 
 
1903 jermar 45 
/** Perform sparc64 specific initialization of paging. */
426 jermar 46 
void page_arch_init(void)
47 
{
4140 jermar 48 
    if (config.cpu_active == 1)
1903 jermar 49 
        page_mapping_operations = &ht_mapping_operations;
426 jermar 50 
}
1382 decky 51 
 
1841 jermar 52 
/** Map memory-mapped device into virtual memory.
53 
 *
4140 jermar 54 
 * We are currently using identity mapping for mapping device registers.
1841 jermar 55 
 *
4223 decky 56 
 * @param physaddr Physical address of the page where the device is
57 
 *                 located.
58 
 * @param size     Size of the device's registers.
1841 jermar 59 
 *
4223 decky 60 
 * @return Virtual address of the page where the device is mapped.
61 
 *
1841 jermar 62 
 */
1780 jermar 63 
uintptr_t hw_map(uintptr_t physaddr, size_t size)
1382 decky 64 
{
4277 jermar 65 
    return KA2PA(physaddr);
1382 decky 66 
}
1702 cejka 67 
 
1793 jermar 68 
/** @}
1702 cejka 69 
 */