| | 1 | /* |
| | 2 | * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved. |
| | 3 | * |
| | 4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ |
| | 5 | * |
| | 6 | * This file contains Original Code and/or Modifications of Original Code |
| | 7 | * as defined in and that are subject to the Apple Public Source License |
| | 8 | * Version 2.0 (the 'License'). You may not use this file except in |
| | 9 | * compliance with the License. The rights granted to you under the License |
| | 10 | * may not be used to create, or enable the creation or redistribution of, |
| | 11 | * unlawful or unlicensed copies of an Apple operating system, or to |
| | 12 | * circumvent, violate, or enable the circumvention or violation of, any |
| | 13 | * terms of an Apple operating system software license agreement. |
| | 14 | * |
| | 15 | * Please obtain a copy of the License at |
| | 16 | * http://www.opensource.apple.com/apsl/ and read it before using this file. |
| | 17 | * |
| | 18 | * The Original Code and all software distributed under the License are |
| | 19 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER |
| | 20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
| | 21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, |
| | 22 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. |
| | 23 | * Please see the License for the specific language governing rights and |
| | 24 | * limitations under the License. |
| | 25 | * |
| | 26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ |
| | 27 | */ |
| | 28 | /* |
| | 29 | * Header files for the Low Memory Globals (lg) |
| | 30 | */ |
| | 31 | #ifndef _LOW_MEMORY_GLOBALS_H_ |
| | 32 | #define _LOW_MEMORY_GLOBALS_H_ |
| | 33 | |
| | 34 | #include <mach/mach_types.h> |
| | 35 | #include <mach/vm_types.h> |
| | 36 | #include <mach/machine/vm_types.h> |
| | 37 | #include <mach/vm_prot.h> |
| | 38 | |
| | 39 | /* |
| | 40 | * Don't change these structures unless you change the corresponding assembly code |
| | 41 | * which is in lowmem_vectors.s |
| | 42 | */ |
| | 43 | |
| | 44 | /* |
| | 45 | * This is where we put constants, pointers, and data areas that must be accessed |
| | 46 | * quickly through assembler. They are designed to be accessed directly with |
| | 47 | * absolute addresses, not via a base register. This is a global area, and not |
| | 48 | * per processor. |
| | 49 | */ |
| | 50 | |
| | 51 | #pragma pack(4) /* Make sure the structure stays as we defined it */ |
| | 52 | typedef struct lowglo { |
| | 53 | |
| | 54 | unsigned char lgVerCode[8]; /* 0x2000 System verification code */ |
| | 55 | unsigned long long lgZero; /* 0x2008 Double constant 0 */ |
| | 56 | uint32_t lgRsv010[3]; /* 0x2010 Reserved */ |
| | 57 | uint32_t lgVersion; /* 0x201C Pointer to kernel version string */ |
| | 58 | uint32_t lgRsv020[280]; /* 0X2020 Reserved */ |
| | 59 | uint32_t lgKmodptr; /* 0x2480 Pointer to kmod, debugging aid */ |
| | 60 | uint32_t lgTransOff; /* 0x2484 Pointer to kdp_trans_off, debugging aid */ |
| | 61 | uint32_t lgRsv028; /* 0x2488 Reserved */ |
| | 62 | uint32_t lgDevSlot1; /* 0x248C For developer use */ |
| | 63 | uint32_t lgDevSlot2; /* 0x2490 For developer use */ |
| | 64 | uint32_t lgRsv494[731]; /* Reserved - push to 1 page */ |
| | 65 | } lowglo; |
| | 66 | |
| | 67 | |
| | 68 | #endif /* _LOW_MEMORY_GLOBALS_H_ */ |
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