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/* |
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* macos_util.h - MacOS definitions/utility functions |
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* |
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* SheepShaver (C) 1997-2002 Christian Bauer and Marc Hellwig |
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* SheepShaver (C) 1997-2004 Christian Bauer and Marc Hellwig |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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#define MACOS_UTIL_H |
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#include "cpu_emulation.h" |
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#include "thunks.h" |
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#include <stddef.h> |
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/* |
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typedef uint32 ProcInfoType; |
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typedef int8 ISAType; |
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typedef uint16 RoutineFlagsType; |
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typedef long (*ProcPtr)(); |
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typedef uint32 ProcPtr; |
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typedef uint8 RDFlagsType; |
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struct RoutineRecord { |
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RoutineRecord routineRecords[1]; /* The individual routines */ |
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}; |
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#define BUILD_PPC_ROUTINE_DESCRIPTOR(procInfo, procedure) \ |
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{ \ |
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htons(0xAAFE), /* Mixed Mode A-Trap */ \ |
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7, /* version */ \ |
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0, /* RD Flags - not dispatched */ \ |
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0, /* reserved 1 */ \ |
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0, /* reserved 2 */ \ |
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0, /* selector info */ \ |
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0, /* number of routines */ \ |
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{ /* It's an array */ \ |
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{ /* It's a struct */ \ |
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htonl(procInfo), /* the ProcInfo */ \ |
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0, /* reserved */ \ |
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1, /* ISA and RTA */ \ |
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htons(0 | /* Flags - it's absolute addr */\ |
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0 | /* It's prepared */ \ |
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4 ), /* Always use native ISA */ \ |
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(ProcPtr)htonl((uint32)procedure), /* the procedure */ \ |
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0, /* reserved */ \ |
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0 /* Not dispatched */ \ |
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} \ |
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} \ |
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struct SheepRoutineDescriptor |
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: public SheepVar |
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{ |
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SheepRoutineDescriptor(ProcInfoType procInfo, uint32 procedure) |
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: SheepVar(sizeof(RoutineDescriptor)) |
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{ |
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const uintptr desc = addr(); |
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Mac_memset(desc, 0, sizeof(RoutineDescriptor)); |
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WriteMacInt16(desc + offsetof(RoutineDescriptor, goMixedModeTrap), 0xAAFE); |
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WriteMacInt8 (desc + offsetof(RoutineDescriptor, version), 7); |
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WriteMacInt32(desc + offsetof(RoutineDescriptor, routineRecords[0].procInfo), procInfo); |
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WriteMacInt8 (desc + offsetof(RoutineDescriptor, routineRecords[0].ISA), 1); |
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WriteMacInt16(desc + offsetof(RoutineDescriptor, routineRecords[0].routineFlags), 0 | 0 | 4); |
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WriteMacInt32(desc + offsetof(RoutineDescriptor, routineRecords[0].procDescriptor), procedure); |
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} |
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}; |
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// Functions |
