projects / apple / bootx.git / blame
| Commit | Line | Data |
|---|---|---|
| 04fee52e A |
1 | /* |
| 2 | * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. | |
| 3 | * | |
| 4 | * @APPLE_LICENSE_HEADER_START@ | |
| 5 | * | |
| 6 | * The contents of this file constitute Original Code as defined in and | |
| 7 | * are subject to the Apple Public Source License Version 1.1 (the | |
| 8 | * "License"). You may not use this file except in compliance with the | |
| 9 | * License. Please obtain a copy of the License at | |
| 10 | * http://www.apple.com/publicsource and read it before using this file. | |
| 11 | * | |
| 12 | * This Original Code and all software distributed under the License are | |
| 13 | * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER | |
| 14 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, | |
| 15 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
| 16 | * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the | |
| 17 | * License for the specific language governing rights and limitations | |
| 18 | * under the License. | |
| 19 | * | |
| 20 | * @APPLE_LICENSE_HEADER_END@ | |
| 21 | */ | |
| 22 | /* | |
| 23 | * boot_args.h - Data stuctures for the information passed to the kernel. | |
| 24 | * | |
| 25 | * Copyright (c) 1998-2000 Apple Computer, Inc. | |
| 26 | * | |
| 27 | * DRI: Josh de Cesare | |
| 28 | */ | |
| 29 | ||
| 30 | #ifndef _BOOTX_BOOT_ARGS_H_ | |
| 31 | #define _BOOTX_BOOT_ARGS_H_ | |
| 32 | ||
| 33 | // Video information.. | |
| 34 | ||
| 35 | struct Boot_Video { | |
| 36 | unsigned long v_baseAddr; /* Base address of video memory */ | |
| 37 | unsigned long v_display; /* Display Code (if Applicable */ | |
| 38 | unsigned long v_rowBytes; /* Number of bytes per pixel row */ | |
| 39 | unsigned long v_width; /* Width */ | |
| 40 | unsigned long v_height; /* Height */ | |
| 41 | unsigned long v_depth; /* Pixel Depth */ | |
| 42 | }; | |
| 43 | typedef struct Boot_Video Boot_Video, *Boot_Video_Ptr; | |
| 44 | ||
| 45 | ||
| 46 | // DRAM Bank definitions - describes physical memory layout. | |
| 47 | #define kMaxDRAMBanks (26) /* maximum number of DRAM banks */ | |
| 48 | ||
| 49 | struct DRAMBank { | |
| 50 | unsigned long base; /* physical base of DRAM bank */ | |
| 51 | unsigned long size; /* size of bank */ | |
| 52 | }; | |
| 53 | typedef struct DRAMBank DRAMBank, *DRAMBankPtr; | |
| 54 | ||
| 55 | ||
| 56 | // Boot argument structure - passed into kernel at boot time. | |
| 57 | ||
| 58 | #define kBootArgsRevision (1) | |
| 59 | #define kBootArgsVersion (1) | |
| 60 | ||
| 61 | #define BOOT_LINE_LENGTH (256) | |
| 62 | ||
| 63 | struct boot_args { | |
| 64 | unsigned short Revision; /* Revision of boot_args structure */ | |
| 65 | unsigned short Version; /* Version of boot_args structure */ | |
| 66 | char CommandLine[BOOT_LINE_LENGTH]; /* Passed in command line */ | |
| 67 | DRAMBank PhysicalDRAM[kMaxDRAMBanks]; /* base/range pairs for the 26 DRAM banks */ | |
| 68 | Boot_Video Video; /* Video Information */ | |
| 69 | unsigned long machineType; /* Machine Type (gestalt) */ | |
| 70 | void *deviceTreeP; /* Base of flattened device tree */ | |
| 71 | unsigned long deviceTreeLength; /* Length of flattened tree */ | |
| 72 | unsigned long topOfKernelData; /* Last address of kernel data area*/ | |
| 73 | }; | |
| 74 | typedef struct boot_args boot_args, *boot_args_ptr; | |
| 75 | ||
| 76 | #endif /* ! _BOOTX_BOOT_ARGS_H_ */ |