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- /*
- * 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@
- */
- #ifndef _PEXPERT_I386_BOOT_H
- #define _PEXPERT_I386_BOOT_H
-
- /*
- * What the booter leaves behind for the kernel.
- */
-
- /*
- * Maximum number of boot drivers that can be loaded.
- */
- #define NDRIVERS 500
-
- /*
- * Types of boot driver that may be loaded by the booter.
- */
- enum {
- kBootDriverTypeInvalid = 0,
- kBootDriverTypeKEXT = 1,
- kBootDriverTypeMKEXT = 2
- };
-
- typedef struct {
- unsigned long address; // address where driver was loaded
- unsigned long size; // number of bytes
- unsigned long type; // driver type
- } driver_config_t;
-
- /*
- * APM BIOS information.
- */
- typedef struct {
- unsigned short major_vers; // == 0 if not present
- unsigned short minor_vers;
- unsigned long cs32_base;
- unsigned long cs16_base;
- unsigned long ds_base;
- unsigned long cs_length;
- unsigned long ds_length;
- unsigned long entry_offset;
- union {
- struct {
- unsigned long mode_16 :1;
- unsigned long mode_32 :1;
- unsigned long idle_slows_cpu :1;
- unsigned long reserved :29;
- } f;
- unsigned long data;
- } flags;
- unsigned long connected;
- } APM_config_t;
-
- /*
- * PCI bus information.
- */
- typedef struct _PCI_bus_info_t {
- union {
- struct {
- unsigned char configMethod1 :1;
- unsigned char configMethod2 :1;
- unsigned char :2;
- unsigned char specialCycle1 :1;
- unsigned char specialCycle2 :1;
- } s;
- unsigned char d;
- } u_bus;
- unsigned char maxBusNum;
- unsigned char majorVersion;
- unsigned char minorVersion;
- unsigned char BIOSPresent;
- } PCI_bus_info_t;
-
- /*
- * 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;
-
- #define GRAPHICS_MODE 1
- #define TEXT_MODE 0
-
- #define BOOT_STRING_LEN 160
- #define CONFIG_SIZE (12 * 4096)
-
- typedef struct {
- short version;
- char bootString[BOOT_STRING_LEN]; // boot arguments
- int magicCookie; // KERNBOOTMAGIC
- int numIDEs; // number of IDE drives
- int rootdev; // root device
- int convmem; // conventional memory
- int extmem; // extended memory
- char bootFile[128]; // kernel file name
- int firstAddr0; // first address for kern convmem
- int diskInfo[4]; // info for bios dev 80-83
- int graphicsMode; // booted in graphics mode?
- int kernDev; // device kernel was fetched from
- int numBootDrivers; // number of drivers loaded
- char * configEnd; // pointer to end of config files
- int kaddr; // kernel load address
- int ksize; // size of kernel
- driver_config_t driverConfig[NDRIVERS];
- char _reserved[2052];
- boot_video video;
- PCI_bus_info_t pciInfo;
- APM_config_t apmConfig;
- char config[CONFIG_SIZE];
- } KERNBOOTSTRUCT;
-
- #define KERNSTRUCT_ADDR ((KERNBOOTSTRUCT *) 0x11000)
- #define KERNBOOTMAGIC 0xa7a7a7a7
-
- #ifndef KERNEL
- extern KERNBOOTSTRUCT * kernBootStruct;
- #endif
-
- #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 kBootArgsVersion 1
- #define kBootArgsRevision 1
-
- 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_I386_BOOT_H */
-
-