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Source at commit 1305 created 12 years 8 months ago.
By meklort, Cleanup arch makefiles. Begin merging of BootX source - will need cleaning up
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) 1998-2003 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
35struct 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};
43typedef 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
49struct DRAMBank {
50 unsigned long base; /* physical base of DRAM bank */
51 unsigned long size; /* size of bank */
52};
53typedef struct DRAMBank DRAMBank, *DRAMBankPtr;
54
55
56// Boot argument structure - passed into kernel at boot time.
57
58#define kBootArgsRevision (1)
59#define kBootArgsVersion1 (1)
60#define kBootArgsVersion2 (2)
61
62#define BOOT_LINE_LENGTH (256)
63
64struct boot_args {
65 unsigned short Revision; /* Revision of boot_args structure */
66 unsigned short Version; /* Version of boot_args structure */
67 char CommandLine[BOOT_LINE_LENGTH]; /* Passed in command line */
68 DRAMBank PhysicalDRAM[kMaxDRAMBanks]; /* base/range pairs for the 26 DRAM banks */
69 Boot_Video Video; /* Video Information */
70 unsigned long machineType; /* Machine Type (gestalt) */
71 void *deviceTreeP; /* Base of flattened device tree */
72 unsigned long deviceTreeLength; /* Length of flattened tree */
73 unsigned long topOfKernelData; /* Last address of kernel data area*/
74};
75typedef struct boot_args boot_args, *boot_args_ptr;
76
77struct compressed_kernel_header {
78 u_int32_t signature;
79 u_int32_t compress_type;
80 u_int32_t adler32;
81 u_int32_t uncompressed_size;
82 u_int32_t compressed_size;
83 u_int32_t reserved[11];
84 char platform_name[64];
85 char root_path[256];
86 u_int8_t data[0];
87};
88typedef struct compressed_kernel_header compressed_kernel_header;
89
90#endif /* ! _BOOTX_BOOT_ARGS_H_ */
91

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Revision: 1305