/* * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * The contents of this file constitute Original Code as defined in and * are subject to the Apple Public Source License Version 1.1 (the * "License"). You may not use this file except in compliance with the * License. Please obtain a copy of the License at * http://www.apple.com/publicsource and read it before using this file. * * This Original Code and all software distributed under the License are * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the * License for the specific language governing rights and limitations * under the License. * * @APPLE_LICENSE_HEADER_END@ */ /* * @OSF_COPYRIGHT@ */ #ifndef _PEXPERT_PPC_BOOT_H_ #define _PEXPERT_PPC_BOOT_H_ #define BOOT_LINE_LENGTH 256 /* * Video information.. */ struct Boot_Video { unsigned long v_baseAddr; /* Base address of video memory */ unsigned long v_display; /* Display Code (if Applicable */ unsigned long v_rowBytes; /* Number of bytes per pixel row */ unsigned long v_width; /* Width */ unsigned long v_height; /* Height */ unsigned long v_depth; /* Pixel Depth */ }; typedef struct Boot_Video Boot_Video; /* DRAM Bank definitions - describes physical memory layout. */ #define kMaxDRAMBanks 26 /* maximum number of DRAM banks */ struct DRAMBank { unsigned long base; /* physical base of DRAM bank */ unsigned long size; /* size of bank */ }; typedef struct DRAMBank DRAMBank; /* Boot argument structure - passed into Mach kernel at boot time. */ #define kBootArgsRevision 1 #define kBootArgsVersion1 1 #define kBootArgsVersion2 2 typedef struct boot_args { unsigned short Revision; /* Revision of boot_args structure */ unsigned short Version; /* Version of boot_args structure */ char CommandLine[BOOT_LINE_LENGTH]; /* Passed in command line */ DRAMBank PhysicalDRAM[kMaxDRAMBanks]; /* base and range pairs for the 26 DRAM banks */ Boot_Video Video; /* Video Information */ unsigned long machineType; /* Machine Type (gestalt) */ void *deviceTreeP; /* Base of flattened device tree */ unsigned long deviceTreeLength;/* Length of flattened tree */ unsigned long topOfKernelData;/* Highest address used in kernel data area */ } boot_args; extern boot_args passed_args; #endif /* _PEXPERT_PPC_BOOT_H_ */