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154 lines
3.4 KiB
C
154 lines
3.4 KiB
C
/*
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File: Glue.h
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Contains: Assembly glue header for Process Manager.
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Written by: Phil Goldman
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Copyright: © 1988-1991 by Apple Computer, Inc., all rights reserved.
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This file is used in these builds: System
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Change History (most recent first):
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<3> 7/26/91 stb remove glue for HOpenResFile. Inline is used now when
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SystemSevenOrLater is defined.
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<0> 5/20/88 PYG New Today.
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*/
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#ifndef __GLUE__
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#define __GLUE__
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#ifndef __FILES__
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#include "Files.h"
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#endif
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/* Symbols for values of the asynch parameter of HFS calls */
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#define AsyncHFS true
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#define SyncHFS false
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/* First come the routines that will change the a5 register to either the
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* Process Mgr value or the CURRENTA5 value, and back again. ProcessMgrA5Setup and
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* CurrentA5Setup also copy the long word that the outgoing a5 points to. This
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* long word is a pointer to the QuickDraw global data. This gives the incoming
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* a5 world some decent graphics information, and is required if we intend to use
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* QuickDraw or its clients while we have the new a5 set up.
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*/
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/* ProcessMgrA5Setup. Set up PROCESSMGRGLOBALS and copy in the graphics global pointer */
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unsigned long
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ProcessMgrA5Setup(void)
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= {0x200D, 0x2215, 0x2A78, 0x0B7C, 0x2a81};
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/* move.l a5,d0
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* move.l (a5),d1
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* move.l PROCESSMGRGLOBALS,a5
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* move.l d1,(a5)
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*/
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/* CurrentA5Setup. Set up CURRENTA5 and copy in the graphics global pointer.
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* NOTE: When is this useful, since the CURRENTA5 graphics world is
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* undoubtedly OK to use?
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*/
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unsigned long
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CurrentA5Setup(void)
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= {0x200D, 0x2215, 0x2A78, 0x0904, 0x2a81};
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/* move.l a5,d0
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* move.l (a5),d1
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* move.l $904,a5
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* move.l d1,(a5)
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*/
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/* A5Restore. Set a5 from parameter. Does not restore the graphics global pointer. */
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#pragma parameter A5Restore(__D0)
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void
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A5Restore(unsigned long myA5)
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= {0x2A40};
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/* move.l d0,a5
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*/
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/* ProcessMgrA5SimpleSetup. Set up PROCESSMGRGLOBALS, but don't copy the graphics global
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* pointer.
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*/
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unsigned long
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ProcessMgrA5SimpleSetup(void)
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= {0x200D, 0x2A78, 0x0B7C};
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/* move.l a5,d0
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* move.l PROCESSMGRGLOBALS,a5
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*/
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/* CurrentA5SimpleSetup. Set up CURRENTA5, but don't copy the graphics global pointer */
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unsigned long
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CurrentA5SimpleSetup(void)
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= {0x200D, 0x2A78, 0x0904};
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/* move.l a5,d0
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* move.l $904,a5
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*/
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/* A5SimpleRestore. Set a5 from parameter. Does not restore the graphics global pointer. */
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#pragma parameter A5SimpleRestore(__D0)
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void
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A5SimpleRestore(unsigned long myA5)
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= {0x2A40};
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/* move.l d0,a5
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*/
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/* Access to assembler */
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void
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GetLiveFPURegs(Ptr dstPtr)
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= {0x2057, 0xF218, 0xBC00, 0xF210, 0xF0FF};
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/* move.l (sp),a0
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* fmovem fpcr/fpsr/fpiar,(a0)+
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* fmovem fp0-fp7,(a0)
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*/
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void
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SetLiveFPURegs(Ptr srcPtr)
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= {0x2057, 0xF218, 0x9C00, 0xF210, 0xD0FF};
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/* move.l (sp),a0
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* fmovem (a0)+,fpcr/fpsr/fpiar
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* fmovem (a0),fp0-fp7
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*/
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unsigned long
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GetVBR(void)
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= {0x4E7A, 0x0801};
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/* move.l vbr,d0
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*/
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/* Direct access to traps */
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/* SysContigPurgeSpace. This "customizes" the trap by specifying SYS, and
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* by moving the value we care about from a0 to d0.
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*/
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#pragma parameter __D0 SysContigPurgeSpace
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pascal long
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SysContigPurgeSpace(void)
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= {0xA562, 0x2008};
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/* _PurgeSpace ,SYS
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* move.l a0,d0
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*/
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#pragma parameter ControlImmed(__A0)
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void
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ControlImmed(CntrlParam *)
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= {0xA204};
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/* _Control ,Immed
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*/
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pascal void
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ShutDwnUserChoice(void)
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= {0x3F3C,0x0005,0xA895};
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/* move.w #$0005,-(A7)
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* _ShutDown
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*/
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pascal void
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debugger(StringPtr message)
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= {0xABFF};
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/* _Debugger
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*/
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#endif __GLUE__
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