/* * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. The rights granted to you under the License * may not be used to create, or enable the creation or redistribution of, * unlawful or unlicensed copies of an Apple operating system, or to * circumvent, violate, or enable the circumvention or violation of, any * terms of an Apple operating system software license agreement. * * Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this file. * * The 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, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* * Header files for the Low Memory Globals (lg) */ #ifndef _LOW_MEMORY_GLOBALS_H_ #define _LOW_MEMORY_GLOBALS_H_ #if defined(__x86_64__) #include #elif !defined(__i386__) #error Wrong architecture - this file is meant for i386 #endif #include #include #include #include /* * Don't change these structures unless you change the corresponding assembly code * which is in lowmem_vectors.s */ /* * This is where we put constants, pointers, and data areas that must be accessed * quickly through assembler. They are designed to be accessed directly with * absolute addresses, not via a base register. This is a global area, and not * per processor. */ #pragma pack(4) /* Make sure the structure stays as we defined it */ typedef struct lowglo { unsigned char lgVerCode[8]; /* 0x2000 System verification code */ unsigned long long lgZero; /* 0x2008 Double constant 0 */ uint32_t lgRsv010; /* 0x2010 Reserved */ uint32_t lgCHUDXNUfnStart; /* 0x2014 CHUD XNU function glue * table */ uint32_t lgRsv018; /* 0x2018 Reserved */ uint32_t lgVersion; /* 0x201C Pointer to kernel version string */ uint32_t lgRsv020[280]; /* 0X2020 Reserved */ uint32_t lgKmodptr; /* 0x2480 Pointer to kmod, debugging aid */ uint32_t lgTransOff; /* 0x2484 Pointer to kdp_trans_off, debugging aid */ uint32_t lgReadIO; /* 0x2488 Pointer to kdp_read_io, debugging aid */ uint32_t lgDevSlot1; /* 0x248C For developer use */ uint32_t lgDevSlot2; /* 0x2490 For developer use */ uint32_t lgOSVersion; /* 0x2494 Pointer to OS version string */ uint32_t lgRebootFlag; /* 0x2498 Pointer to debugger reboot trigger */ uint32_t lgManualPktAddr; /* 0x249C Pointer to manual packet structure */ uint32_t lgRsv49C[728]; /* 0x24A0 Reserved - push to 1 page */ } lowglo; #pragma pack() extern lowglo lowGlo; #endif /* _LOW_MEMORY_GLOBALS_H_ */