| [b6b02c0] | 1 | /*
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| 2 | * Copyright (c) 2007 Pavel Jancik, Michal Kebrt
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| 3 | * Copyright (c) 2013 Jakub Klama
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| 4 | * All rights reserved.
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| 5 | *
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| 6 | * Redistribution and use in source and binary forms, with or without
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| 7 | * modification, are permitted provided that the following conditions
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| 8 | * are met:
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| 9 | *
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| 10 | * - Redistributions of source code must retain the above copyright
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| 11 | * notice, this list of conditions and the following disclaimer.
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| 12 | * - Redistributions in binary form must reproduce the above copyright
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| 13 | * notice, this list of conditions and the following disclaimer in the
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| 14 | * documentation and/or other materials provided with the distribution.
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| 15 | * - The name of the author may not be used to endorse or promote products
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| 16 | * derived from this software without specific prior written permission.
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| 17 | *
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| 18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 19 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 20 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 21 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 22 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 23 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 24 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 27 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 28 | */
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| 29 |
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| 30 | /** @addtogroup sparc32mm
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| 31 | * @{
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| 32 | */
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| 33 | /** @file
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| 34 | * @brief Frame related functions.
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| 35 | */
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| 36 |
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| 37 | #include <mm/frame.h>
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| 38 | #include <arch/mm/frame.h>
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| 39 | #include <config.h>
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| 40 | #include <align.h>
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| 41 | #include <macros.h>
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| 42 |
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| 43 | static void frame_common_arch_init(bool low)
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| 44 | {
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| 45 | uintptr_t base;
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| 46 | size_t size;
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| 47 |
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| 48 | //machine_get_memory_extents(&base, &size);
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| 49 | base = 0x40000000;
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| 50 | size = 0x2000000;
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| 51 |
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| 52 | base = ALIGN_UP(base, FRAME_SIZE);
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| 53 | size = ALIGN_DOWN(size, FRAME_SIZE);
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| 54 |
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| 55 | if (!frame_adjust_zone_bounds(low, &base, &size))
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| 56 | return;
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| 57 |
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| 58 | if (low) {
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| 59 | zone_create(ADDR2PFN(base), SIZE2FRAMES(size),
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| 60 | BOOT_PT_START_FRAME + BOOT_PT_SIZE_FRAMES,
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| 61 | ZONE_AVAILABLE | ZONE_LOWMEM);
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| 62 | } else {
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| 63 | pfn_t conf = zone_external_conf_alloc(SIZE2FRAMES(size));
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| 64 | if (conf != 0)
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| 65 | zone_create(ADDR2PFN(base), SIZE2FRAMES(size), conf,
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| 66 | ZONE_AVAILABLE | ZONE_HIGHMEM);
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| 67 | }
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| 68 |
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| 69 | }
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| 70 |
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| 71 | void physmem_print(void)
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| 72 | {
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| 73 |
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| 74 | }
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| 75 |
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| 76 | /** Create low memory zones. */
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| 77 | void frame_low_arch_init(void)
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| 78 | {
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| 79 | frame_common_arch_init(true);
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| 80 |
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| 81 | /* blacklist boot page table */
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| 82 | frame_mark_unavailable(BOOT_PT_START_FRAME, BOOT_PT_SIZE_FRAMES);
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| 83 | //machine_frame_init();
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| 84 | }
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| 85 |
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| 86 | /** Create high memory zones. */
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| 87 | void frame_high_arch_init(void)
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| 88 | {
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| 89 | frame_common_arch_init(false);
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| 90 | }
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| 91 |
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| 92 | /** Frees the boot page table. */
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| 93 | /*void boot_page_table_free(void)
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| 94 | {
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| 95 | unsigned int i;
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| 96 | for (i = 0; i < BOOT_PT_SIZE_FRAMES; i++)
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| 97 | frame_free(i * FRAME_SIZE + BOOT_PT_ADDRESS);
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| 98 | }*/
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| 99 |
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| 100 | /** @}
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| 101 | */
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