scoutos / prex-0.9.0 / include / ppc / syspage.h @ 03e9c04a
History | View | Annotate | Download (2.91 KB)
| 1 | 03e9c04a | Brad Neuman | /*-
|
|---|---|---|---|
| 2 | * Copyright (c) 2008-2009, Kohsuke Ohtani
|
||
| 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 | * 1. Redistributions of source code must retain the above copyright
|
||
| 9 | * notice, this list of conditions and the following disclaimer.
|
||
| 10 | * 2. Redistributions in binary form must reproduce the above copyright
|
||
| 11 | * notice, this list of conditions and the following disclaimer in the
|
||
| 12 | * documentation and/or other materials provided with the distribution.
|
||
| 13 | * 3. Neither the name of the author nor the names of any co-contributors
|
||
| 14 | * may be used to endorse or promote products derived from this software
|
||
| 15 | * without specific prior written permission.
|
||
| 16 | *
|
||
| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
||
| 18 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||
| 19 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||
| 20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
||
| 21 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||
| 22 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||
| 23 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||
| 24 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||
| 25 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||
| 26 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||
| 27 | * SUCH DAMAGE.
|
||
| 28 | */
|
||
| 29 | |||
| 30 | #ifndef _PPC_SYSPAGE_H
|
||
| 31 | #define _PPC_SYSPAGE_H
|
||
| 32 | |||
| 33 | #include <conf/config.h> |
||
| 34 | |||
| 35 | /**
|
||
| 36 | * syspage layout:
|
||
| 37 | *
|
||
| 38 | * +------------------+ CONFIG_SYSPAGE_BASE
|
||
| 39 | * | Vector page |
|
||
| 40 | * | |
|
||
| 41 | * | |
|
||
| 42 | * | |
|
||
| 43 | * | |
|
||
| 44 | * | |
|
||
| 45 | * +------------------+ +0x3000
|
||
| 46 | * | Interrupt stack |
|
||
| 47 | * | |
|
||
| 48 | * | |
|
||
| 49 | * +------------------+ +0x4000
|
||
| 50 | * | Boot information |
|
||
| 51 | * +------------------+ +0x4400
|
||
| 52 | * | Boot stack |
|
||
| 53 | * +------------------+ +0x5000
|
||
| 54 | * | PGD for boot |
|
||
| 55 | * | (MMU only) |
|
||
| 56 | * | |
|
||
| 57 | * +------------------+ +0x6000
|
||
| 58 | * | PTE0 for boot |
|
||
| 59 | * | (MMU only) |
|
||
| 60 | * | |
|
||
| 61 | * +------------------+ +0x7000
|
||
| 62 | *
|
||
| 63 | * Note: Interrupt stack should be placed after NULL page
|
||
| 64 | * to detect the stack overflow.
|
||
| 65 | */
|
||
| 66 | |||
| 67 | #define SYSPAGE CONFIG_SYSPAGE_BASE
|
||
| 68 | #define INTSTK (SYSPAGE + 0x3000) |
||
| 69 | #define BOOTINFO (SYSPAGE + 0x4000) |
||
| 70 | #define BOOTSTK (SYSPAGE + 0x4400) |
||
| 71 | #define BOOT_PGD (SYSPAGE + 0x5000) |
||
| 72 | #define BOOT_PTE0 (SYSPAGE + 0x6000) |
||
| 73 | |||
| 74 | #define BOOT_PGD_PHYS 0x5000 |
||
| 75 | #define BOOT_PTE0_PHYS 0x6000 |
||
| 76 | |||
| 77 | #define INTSTKSZ 0x1000 /* size of interrupt stack */ |
||
| 78 | #define BOOTSTKSZ 0x0c00 /* size of boot stack */ |
||
| 79 | |||
| 80 | #define INTSTKTOP (INTSTK + INTSTKSZ)
|
||
| 81 | #define BOOTSTKTOP (BOOTSTK + BOOTSTKSZ)
|
||
| 82 | |||
| 83 | #ifdef CONFIG_MMU
|
||
| 84 | #define SYSPAGESZ 0x7000 |
||
| 85 | #else
|
||
| 86 | #define SYSPAGESZ 0x5000 |
||
| 87 | #endif
|
||
| 88 | |||
| 89 | #endif /* !_PPC_SYSPAGE_H */ |