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84 lines
2.6 KiB
84 lines
2.6 KiB
6 // This is the number of argument registers for Alpha (used by gensrv).
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//++
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//
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// Copyright (c) 1989 Microsoft Corporation
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//
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// Module Name:
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//
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// systable.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 table.
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//
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// Author:
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//
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// David N. Cutler (davec) 29-Apr-1989
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//
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// Environment:
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//
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// Kernel mode only.
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//
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// Revision History:
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//
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// Joe Notarangelo 08-Jul-1992
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// alpha version
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// - 6 argument registers for alpha
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// - size of allocation for each table entry address = 64 bits
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// (this was necessary with BL3 of the compiler, it may no
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// longer be the case but this shouldn't hurt, the system
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// service exception code will load long anyway)
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//
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// Thomas Van Baak (tvb) 04-Sep-1992
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//
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// The first line of this file was "6 8" which the new gensrv used
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// to set the number of in-register arguments (6) and the size of a
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// register (8).
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//
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// Now instead, the ARGTBL_ENTRY macro itself converts i386/Mips 4
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// byte units into Alpha 8 byte units. This way, if an old version
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// of gensrv is used, we still get the proper byte counts for Alpha.
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//
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//--
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//
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// To add a system service simply add the name of the service to the below
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// table. If the system service has in memory arguments, then immediately
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// follow the name of the serice with a comma and following that the number
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// of bytes of in memory arguments, e.g. CreateObject,40.
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//
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#define TABLE_BEGIN1( t ) .rdata
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#define TABLE_BEGIN2( t ) .align 4
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#define TABLE_BEGIN3( t ) .globl KiServiceTable
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#define TABLE_BEGIN4( t ) KiServiceTable:
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#define TABLE_BEGIN5( t )
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#define TABLE_BEGIN6( t )
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#define TABLE_BEGIN7( t )
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#define TABLE_BEGIN8( t )
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#define TABLE_ENTRY( l,bias,numargs ) .quad Nt##l+bias
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#define TABLE_END( n ) .sdata ; .globl KiServiceLimit ; KiServiceLimit: .long n + 1
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#define ARGTBL_BEGIN .rdata ; .align 4 ; .globl KiArgumentTable ; KiArgumentTable:
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//
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// Convert gensrv 4-byte units to Alpha 8-bytes-per-register units.
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//
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#define ARGTBL_ENTRY( e0,e1,e2,e3,e4,e5,e6,e7 ) \
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.byte e0 *2, e1 *2, e2 *2, e3 *2, e4 *2, e5 *2, e6 *2, e7 *2
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#define ARGTBL_END
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TABLE_BEGIN1( "System Service Dispatch Table" )
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TABLE_BEGIN2( "System Service Dispatch Table" )
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TABLE_BEGIN3( "System Service Dispatch Table" )
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TABLE_BEGIN4( "System Service Dispatch Table" )
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TABLE_BEGIN5( "System Service Dispatch Table" )
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TABLE_BEGIN6( "System Service Dispatch Table" )
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TABLE_BEGIN7( "System Service Dispatch Table" )
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TABLE_BEGIN8( "System Service Dispatch Table" )
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