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| Rev | Author | Line No. | Line |
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| 2128 | jermar | 1 | /* |
| 2465 | jermar | 2 | * Copyright (c) 2007 Pavel Jancik, Michal Kebrt |
| 2128 | jermar | 3 | * All rights reserved. |
| 4 | * |
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| 5 | * Redistribution and use in source and binary forms, with or without |
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| 6 | * modification, are permitted provided that the following conditions |
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| 7 | * are met: |
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| 8 | * |
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| 9 | * - Redistributions of source code must retain the above copyright |
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| 10 | * notice, this list of conditions and the following disclaimer. |
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| 11 | * - Redistributions in binary form must reproduce the above copyright |
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| 12 | * notice, this list of conditions and the following disclaimer in the |
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| 13 | * documentation and/or other materials provided with the distribution. |
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| 14 | * - The name of the author may not be used to endorse or promote products |
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| 15 | * derived from this software without specific prior written permission. |
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| 16 | * |
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 27 | */ |
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| 28 | |||
| 3973 | decky | 29 | /** @addtogroup arm32mm |
| 2128 | jermar | 30 | * @{ |
| 31 | */ |
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| 32 | /** @file |
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| 2465 | jermar | 33 | * @brief Frame related functions. |
| 2128 | jermar | 34 | */ |
| 35 | |||
| 36 | #include <mm/frame.h> |
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| 2465 | jermar | 37 | #include <arch/mm/frame.h> |
| 4117 | decky | 38 | #include <arch/drivers/gxemul.h> |
| 2465 | jermar | 39 | #include <config.h> |
| 2128 | jermar | 40 | |
| 2465 | jermar | 41 | /** Address of the last frame in the memory. */ |
| 42 | uintptr_t last_frame = 0; |
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| 43 | |||
| 44 | /** Creates memory zones. */ |
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| 2128 | jermar | 45 | void frame_arch_init(void) |
| 46 | { |
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| 4117 | decky | 47 | last_frame = *((uintptr_t *) (GXEMUL_MP_ADDRESS + GXEMUL_MP_MEMSIZE_OFFSET)); |
| 48 | |||
| 49 | /* All memory as one zone */ |
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| 50 | zone_create(0, ADDR2PFN(last_frame), |
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| 2465 | jermar | 51 | BOOT_PAGE_TABLE_START_FRAME + BOOT_PAGE_TABLE_SIZE_IN_FRAMES, 0); |
| 3908 | decky | 52 | |
| 2465 | jermar | 53 | /* blacklist boot page table */ |
| 54 | frame_mark_unavailable(BOOT_PAGE_TABLE_START_FRAME, |
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| 55 | BOOT_PAGE_TABLE_SIZE_IN_FRAMES); |
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| 2128 | jermar | 56 | } |
| 57 | |||
| 2465 | jermar | 58 | /** Frees the boot page table. */ |
| 59 | void boot_page_table_free(void) |
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| 60 | { |
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| 4117 | decky | 61 | unsigned int i; |
| 62 | for (i = 0; i < BOOT_PAGE_TABLE_SIZE_IN_FRAMES; i++) |
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| 2465 | jermar | 63 | frame_free(i * FRAME_SIZE + BOOT_PAGE_TABLE_ADDRESS); |
| 64 | } |
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| 65 | |||
| 2128 | jermar | 66 | /** @} |
| 67 | */ |