Annotation of driverkit/libDriver/ppc/IOPEFLoader.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
                      3:  *
                      4:  * @APPLE_LICENSE_HEADER_START@
                      5:  * 
                      6:  * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
                      7:  * Reserved.  This file contains Original Code and/or Modifications of
                      8:  * Original Code as defined in and that are subject to the Apple Public
                      9:  * Source License Version 1.1 (the "License").  You may not use this file
                     10:  * except in compliance with the License.  Please obtain a copy of the
                     11:  * License at http://www.apple.com/publicsource and read it before using
                     12:  * this file.
                     13:  * 
                     14:  * The Original Code and all software distributed under the License are
                     15:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
                     16:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
                     17:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
                     18:  * FITNESS FOR A PARTICULAR PURPOSE OR NON- INFRINGEMENT.  Please see the
                     19:  * License for the specific language governing rights and limitations
                     20:  * under the License.
                     21:  * 
                     22:  * @APPLE_LICENSE_HEADER_END@
                     23:  */
                     24: /*
                     25:  * Copyright (c) 1997 Apple Computer, Inc.
                     26:  *
                     27:  *
                     28:  * HISTORY
                     29:  *
                     30:  * Simon Douglas  22 Oct 97
                     31:  * - first checked in.
                     32:  */
                     33: 
                     34: 
                     35: #ifndef __IOPEFLOADER__
                     36: #define __IOPEFLOADER__
                     37: 
                     38: #include  <driverkit/ppc/IOMacOSTypes.h>
                     39: 
                     40: enum {
                     41:     cfragFirstErrCode           = -2800,                        /* The first value in the range of CFM errors.*/
                     42:     cfragContextIDErr           = -2800,                        /* The context ID was not valid.*/
                     43:     cfragConnectionIDErr        = -2801,                        /* The connection ID was not valid.*/
                     44:     cfragNoSymbolErr            = -2802,                        /* The specified symbol was not found.*/
                     45:     cfragNoSectionErr           = -2803,                        /* The specified section was not found.*/
                     46:     cfragNoLibraryErr           = -2804,                        /* The named library was not found.*/
                     47:     cfragDupRegistrationErr     = -2805,                        /* The registration name was already in use.*/
                     48:     cfragFragmentFormatErr      = -2806,                        /* A fragment's container format is unknown.*/
                     49:     cfragUnresolvedErr          = -2807,                        /* A fragment had "hard" unresolved imports.*/
                     50:     cfragNoPositionErr          = -2808,                        /* The registration insertion point was not found.*/
                     51:     cfragNoPrivateMemErr        = -2809,                        /* Out of memory for internal bookkeeping.*/
                     52:     cfragNoClientMemErr         = -2810,                        /* Out of memory for fragment mapping or section instances.*/
                     53:     cfragNoIDsErr               = -2811,                        /* No more CFM IDs for contexts, connections, etc.*/
                     54:     cfragInitOrderErr           = -2812,                        /* */
                     55:     cfragImportTooOldErr        = -2813,                        /* An import library was too old for a client.*/
                     56:     cfragImportTooNewErr        = -2814,                        /* An import library was too new for a client.*/
                     57:     cfragInitLoopErr            = -2815,                        /* Circularity in required initialization order.*/
                     58:     cfragInitAtBootErr          = -2816,                        /* A boot library has an initialization function.  (System 7 only)*/
                     59:     cfragLibConnErr             = -2817,                        /* */
                     60:     cfragCFMStartupErr          = -2818,                        /* Internal error during CFM initialization.*/
                     61:     cfragCFMInternalErr         = -2819,                        /* An internal inconstistancy has been detected.*/
                     62:     cfragFragmentCorruptErr     = -2820,                        /* A fragment's container was corrupt (known format).*/
                     63:     cfragInitFunctionErr        = -2821,                        /* A fragment's initialization routine returned an error.*/
                     64:     cfragNoApplicationErr       = -2822,                        /* No application member found in the cfrg resource.*/
                     65:     cfragArchitectureErr        = -2823,                        /* A fragment has an unacceptable architecture.*/
                     66:     cfragFragmentUsageErr       = -2824,                        /* A semantic error in usage of the fragment.*/
                     67:     cfragFileSizeErr            = -2825,                        /* A file was too large to be mapped.*/
                     68:     cfragNotClosureErr          = -2826,                        /* The closure ID was actually a connection ID.*/
                     69:     cfragNoRegistrationErr      = -2827,                        /* The registration name was not found.*/
                     70:     cfragContainerIDErr         = -2828,                        /* The fragment container ID was not valid.*/
                     71:     cfragClosureIDErr           = -2829,                        /* The closure ID was not valid.*/
                     72:     cfragAbortClosureErr        = -2830                         /* Used by notification handlers to abort a closure.*/
                     73: };
                     74: 
                     75: enum {
                     76:     paramErr            = -50,
                     77:     unimpErr            = -4
                     78: };
                     79: 
                     80: 
                     81: typedef UInt32 CFragVersionNumber;
                     82: enum {
                     83:     kNullCFragVersion           = 0,
                     84:     kWildcardCFragVersion       = 0xFFFFFFFF
                     85: };
                     86: 
                     87: typedef UInt8 CFragSymbolClass;
                     88: enum {
                     89:     kCodeCFragSymbol            = 0,
                     90:     kDataCFragSymbol            = 1,
                     91:     kTVectorCFragSymbol         = 2,
                     92:     kTOCCFragSymbol             = 3,
                     93:     kGlueCFragSymbol            = 4
                     94: };
                     95: 
                     96: enum {
                     97:     kUnresolvedCFragSymbolAddress = 0
                     98: };
                     99: 
                    100: typedef UInt32 CFragShortVersionPair;
                    101: #define ComposeCFragShortVersionPair(current,older) (current << 16 | older)
                    102: #define GetCFragShortVersionCurrent(version)        (version >> 16)
                    103: #define GetCFragShortVersionOlder(version)          (version & 0xFFFF)
                    104: 
                    105: 
                    106: enum {
                    107:     kMainCFragSymbolIndex       = -1,
                    108:     kInitCFragSymbolIndex       = -2,
                    109:     kTermCFragSymbolIndex       = -3
                    110: };
                    111: 
                    112: typedef void * PCodeInstance;
                    113: 
                    114: OSStatus
                    115: PCodeOpen( LogicalAddress container, ByteCount containerSize, PCodeInstance * instance );
                    116: OSStatus
                    117: PCodeClose( PCodeInstance instance );
                    118: OSStatus
                    119: PCodeInstantiate( PCodeInstance instance );
                    120: OSStatus
                    121: PCodeFindExport( PCodeInstance instance, const char * symbolName, LogicalAddress * address, CFragSymbolClass * symbolClass );
                    122: OSStatus
                    123: PCodeFindMain( PCodeInstance instance, LogicalAddress * mainAddress );
                    124: 
                    125: 
                    126: struct TVector {
                    127:     LogicalAddress     pc;
                    128:     UInt32             toc;
                    129: };
                    130: typedef struct TVector TVector;
                    131: 
                    132: static __inline__ unsigned int get_R2(void)
                    133: {
                    134:     unsigned int result;
                    135:     __asm__ volatile("mr %0,   r2" : "=r" (result));
                    136:     return result;
                    137: }
                    138: 
                    139: static __inline__ void set_R2(unsigned int val)
                    140: {
                    141:     __asm__ volatile("mr r2,%0" : : "r" (val));
                    142:     return;
                    143: }
                    144: 
                    145: #endif /* __IOPEFLOADER__ */
                    146: 

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