//++
//
// Copyright (c) 1993  IBM Corporation and Microsoft Corporation
//
// Module Name:
//
//    sysstubs.s
//
// Abstract:
//
//    This module implements the system service dispatch stub procedures.
//
// Author:
//
//    Rick Simpson   16-Sep-1993
//
//    Based on MIPS version by David N. Cutler (davec) 29-Apr-1989
//
// Environment:
//
//    User or kernel mode.
//
// Revision History:
//
//--

#include <kxppc.h>

	.text
	.align	5

	SPECIAL_ENTRY(_SysCallGlue)
	stw	r.31, 4(r.sp)
	mflr	r.31
	stw	r.2, 8(r.sp)
	PROLOGUE_END(_SysCallGlue)
	ori	r.2, r.0, 0
	bl	..ZwSysCallInstr
	mtlr	r.31
	lwz	r.31, 4(r.sp)
	lwz	r.2, 8(r.sp)
	SPECIAL_EXIT(_SysCallGlue)

#define STUBS_BEGIN1( t )       .text
#define STUBS_BEGIN2( t )       .align  2
#define STUBS_BEGIN3( t )       .globl  ..ZwSysCallInstr
#define STUBS_BEGIN4( t ) ..ZwSysCallInstr:
#define STUBS_BEGIN5( t )       sc
#define STUBS_BEGIN6( t )       blr
#define STUBS_BEGIN7( t )       .reldata
#define STUBS_BEGIN8( t )       .align  2

#define STUBS_END

#define SYSSTUBS_ENTRY1( ServiceNumber, Name, NumArgs )         .globl  Zw##Name, ..Zw##Name
#define SYSSTUBS_ENTRY2( ServiceNumber, Name, NumArgs )         .reldata
#define SYSSTUBS_ENTRY3( ServiceNumber, Name, NumArgs ) Zw##Name: .long   ..ZwSysCallInstr
#define SYSSTUBS_ENTRY4( ServiceNumber, Name, NumArgs )         .long   ServiceNumber
#define SYSSTUBS_ENTRY5( ServiceNumber, Name, NumArgs )         .text
#define SYSSTUBS_ENTRY6( ServiceNumber, Name, NumArgs ) ..Zw##Name:
#define SYSSTUBS_ENTRY7( ServiceNumber, Name, NumArgs )          li r.2, ServiceNumber
#define SYSSTUBS_ENTRY8( ServiceNumber, Name, NumArgs )          sc

#define USRSTUBS_ENTRY1( ServiceNumber, Name, NumArgs)  .reldata
#define USRSTUBS_ENTRY2( ServiceNumber, Name, NumArgs)  .globl  Zw##Name, Nt##Name, ..Nt##Name, ..Zw##Name
#define USRSTUBS_ENTRY3( ServiceNumber, Name, NumArgs) Zw##Name:
#define USRSTUBS_ENTRY4( ServiceNumber, Name, NumArgs) Nt##Name: .long   ..ZwSysCallInstr, ServiceNumber
#define USRSTUBS_ENTRY5( ServiceNumber, Name, NumArgs)  .text
#define USRSTUBS_ENTRY6( ServiceNumber, Name, NumArgs) ..Zw##Name:
#define USRSTUBS_ENTRY7( ServiceNumber, Name, NumArgs) ..Nt##Name: li r.0, ServiceNumber
#define USRSTUBS_ENTRY8( ServiceNumber, Name, NumArgs)              b .._SysCallGlue


        STUBS_BEGIN1( "System Service Stub Procedures" )
        STUBS_BEGIN2( "System Service Stub Procedures" )
        STUBS_BEGIN3( "System Service Stub Procedures" )
        STUBS_BEGIN4( "System Service Stub Procedures" )
        STUBS_BEGIN5( "System Service Stub Procedures" )
        STUBS_BEGIN6( "System Service Stub Procedures" )
        STUBS_BEGIN7( "System Service Stub Procedures" )
        STUBS_BEGIN8( "System Service Stub Procedures" )