projects / apple / bootx.git / blame
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|---|---|---|
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1 | /* |
| 2 | * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. | |
| 3 | * | |
| 4 | * @APPLE_LICENSE_HEADER_START@ | |
| 5 | * | |
| db839b1d | 6 | * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved. |
| 04fee52e | 7 | * |
| db839b1d A |
8 | * This file contains Original Code and/or Modifications of Original Code |
| 9 | * as defined in and that are subject to the Apple Public Source License | |
| 10 | * Version 2.0 (the 'License'). You may not use this file except in | |
| 11 | * compliance with the License. Please obtain a copy of the License at | |
| 12 | * http://www.opensource.apple.com/apsl/ and read it before using this | |
| 13 | * file. | |
| 14 | * | |
| 15 | * The Original Code and all software distributed under the License are | |
| 16 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER | |
| 04fee52e A |
17 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
| 18 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
| db839b1d A |
19 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. |
| 20 | * Please see the License for the specific language governing rights and | |
| 21 | * limitations under the License. | |
| 04fee52e A |
22 | * |
| 23 | * @APPLE_LICENSE_HEADER_END@ | |
| 24 | */ | |
| 25 | /* | |
| 26 | * boot_args.h - Data stuctures for the information passed to the kernel. | |
| 27 | * | |
| 28 | * Copyright (c) 1998-2000 Apple Computer, Inc. | |
| 29 | * | |
| 30 | * DRI: Josh de Cesare | |
| 31 | */ | |
| 32 | ||
| 33 | #ifndef _BOOTX_BOOT_ARGS_H_ | |
| 34 | #define _BOOTX_BOOT_ARGS_H_ | |
| 35 | ||
| 36 | // Video information.. | |
| 37 | ||
| 38 | struct Boot_Video { | |
| 39 | unsigned long v_baseAddr; /* Base address of video memory */ | |
| 40 | unsigned long v_display; /* Display Code (if Applicable */ | |
| 41 | unsigned long v_rowBytes; /* Number of bytes per pixel row */ | |
| 42 | unsigned long v_width; /* Width */ | |
| 43 | unsigned long v_height; /* Height */ | |
| 44 | unsigned long v_depth; /* Pixel Depth */ | |
| 45 | }; | |
| 46 | typedef struct Boot_Video Boot_Video, *Boot_Video_Ptr; | |
| 47 | ||
| 48 | ||
| 49 | // DRAM Bank definitions - describes physical memory layout. | |
| 50 | #define kMaxDRAMBanks (26) /* maximum number of DRAM banks */ | |
| 51 | ||
| 52 | struct DRAMBank { | |
| 53 | unsigned long base; /* physical base of DRAM bank */ | |
| 54 | unsigned long size; /* size of bank */ | |
| 55 | }; | |
| 56 | typedef struct DRAMBank DRAMBank, *DRAMBankPtr; | |
| 57 | ||
| 58 | ||
| 59 | // Boot argument structure - passed into kernel at boot time. | |
| 60 | ||
| 61 | #define kBootArgsRevision (1) | |
| 62 | #define kBootArgsVersion (1) | |
| 63 | ||
| 64 | #define BOOT_LINE_LENGTH (256) | |
| 65 | ||
| 66 | struct boot_args { | |
| 67 | unsigned short Revision; /* Revision of boot_args structure */ | |
| 68 | unsigned short Version; /* Version of boot_args structure */ | |
| 69 | char CommandLine[BOOT_LINE_LENGTH]; /* Passed in command line */ | |
| 70 | DRAMBank PhysicalDRAM[kMaxDRAMBanks]; /* base/range pairs for the 26 DRAM banks */ | |
| 71 | Boot_Video Video; /* Video Information */ | |
| 72 | unsigned long machineType; /* Machine Type (gestalt) */ | |
| 73 | void *deviceTreeP; /* Base of flattened device tree */ | |
| 74 | unsigned long deviceTreeLength; /* Length of flattened tree */ | |
| 75 | unsigned long topOfKernelData; /* Last address of kernel data area*/ | |
| 76 | }; | |
| 77 | typedef struct boot_args boot_args, *boot_args_ptr; | |
| 78 | ||
| 79 | #endif /* ! _BOOTX_BOOT_ARGS_H_ */ |