82 lines
2.7 KiB
Plaintext
82 lines
2.7 KiB
Plaintext
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//++
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//
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// Copyright (c) 1993 IBM Corporation and Microsoft Corporation
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//
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// Module Name:
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//
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// sysstubs.s
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//
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// Abstract:
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//
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// This module implements the system service dispatch stub procedures.
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//
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// Author:
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//
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// Rick Simpson 16-Sep-1993
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//
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// Based on MIPS version by David N. Cutler (davec) 29-Apr-1989
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//
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// Environment:
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//
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// User or kernel mode.
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//
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// Revision History:
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//
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//--
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#include <kxppc.h>
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.text
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.align 5
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SPECIAL_ENTRY(_SysCallGlue)
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stw r.31, 4(r.sp)
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mflr r.31
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stw r.2, 8(r.sp)
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PROLOGUE_END(_SysCallGlue)
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ori r.2, r.0, 0
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bl ..ZwSysCallInstr
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mtlr r.31
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lwz r.31, 4(r.sp)
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lwz r.2, 8(r.sp)
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SPECIAL_EXIT(_SysCallGlue)
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#define STUBS_BEGIN1( t ) .text
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#define STUBS_BEGIN2( t ) .align 2
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#define STUBS_BEGIN3( t ) .globl ..ZwSysCallInstr
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#define STUBS_BEGIN4( t ) ..ZwSysCallInstr:
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#define STUBS_BEGIN5( t ) sc
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#define STUBS_BEGIN6( t ) blr
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#define STUBS_BEGIN7( t ) .reldata
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#define STUBS_BEGIN8( t ) .align 2
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#define STUBS_END
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#define SYSSTUBS_ENTRY1( ServiceNumber, Name, NumArgs ) .globl Zw##Name, ..Zw##Name
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#define SYSSTUBS_ENTRY2( ServiceNumber, Name, NumArgs ) .reldata
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#define SYSSTUBS_ENTRY3( ServiceNumber, Name, NumArgs ) Zw##Name: .long ..ZwSysCallInstr
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#define SYSSTUBS_ENTRY4( ServiceNumber, Name, NumArgs ) .long ServiceNumber
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#define SYSSTUBS_ENTRY5( ServiceNumber, Name, NumArgs ) .text
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#define SYSSTUBS_ENTRY6( ServiceNumber, Name, NumArgs ) ..Zw##Name:
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#define SYSSTUBS_ENTRY7( ServiceNumber, Name, NumArgs ) li r.2, ServiceNumber
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#define SYSSTUBS_ENTRY8( ServiceNumber, Name, NumArgs ) sc
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#define USRSTUBS_ENTRY1( ServiceNumber, Name, NumArgs) .reldata
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#define USRSTUBS_ENTRY2( ServiceNumber, Name, NumArgs) .globl Zw##Name, Nt##Name, ..Nt##Name, ..Zw##Name
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#define USRSTUBS_ENTRY3( ServiceNumber, Name, NumArgs) Zw##Name:
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#define USRSTUBS_ENTRY4( ServiceNumber, Name, NumArgs) Nt##Name: .long ..ZwSysCallInstr, ServiceNumber
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#define USRSTUBS_ENTRY5( ServiceNumber, Name, NumArgs) .text
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#define USRSTUBS_ENTRY6( ServiceNumber, Name, NumArgs) ..Zw##Name:
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#define USRSTUBS_ENTRY7( ServiceNumber, Name, NumArgs) ..Nt##Name: li r.0, ServiceNumber
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#define USRSTUBS_ENTRY8( ServiceNumber, Name, NumArgs) b .._SysCallGlue
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STUBS_BEGIN1( "System Service Stub Procedures" )
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STUBS_BEGIN2( "System Service Stub Procedures" )
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STUBS_BEGIN3( "System Service Stub Procedures" )
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STUBS_BEGIN4( "System Service Stub Procedures" )
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STUBS_BEGIN5( "System Service Stub Procedures" )
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STUBS_BEGIN6( "System Service Stub Procedures" )
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STUBS_BEGIN7( "System Service Stub Procedures" )
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STUBS_BEGIN8( "System Service Stub Procedures" )
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