140 lines
3.5 KiB
C
140 lines
3.5 KiB
C
/* asmI86.h - i80x86 assembler definitions header file */
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/*
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* Copyright (c) 1992,1993.1998,2001,2003,2006,2008
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*
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* The right to copy, distribute, modify or otherwise make use
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* of this software may be licensed only pursuant to the terms
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* of an applicable Wind River license agreement.
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*/
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/*
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modification history
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--------------------
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01o,26mar08,dbt Added FUNC_BEGIN & FUNC_END macros (Defect WIND00066731)
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01n,21jul06,scm Move SMP macros to private header.
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01m,13jul06,scm correct for UNI mode RTP/OSM support...
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01l,07jul06,scm update macros for smp/uni...
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01k,28jun06,scm SMP GDT support macros added.
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01j,06jun06,scm Add SMP support.
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01i,17nov05,zmm Use .type directive to declare assembly language symbols that
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weren't typed properly by GNU assembler. SPR 114490.
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01h,04may04,dbt Added ARG8-12 and SP_ARG8-12.
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01g,17nov03,jb Adding additional ARG defines
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01f,01nov01,hdn added ARG8 and SP_ARG8
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01e,01oct01,pad Turn off the underscore prepending to assembly routines.
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01d,14aug01,hdn imported FUNC/FUNC_LABEL GTEXT/GDATA macros from T31 ver 01i
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01c,28aug98,hdn added INT_CONNECT_CODE29 for intEnt().
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01b,07jun93,hdn added support for c++
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01a,28feb92,hdn written based on TRON, 68k version.
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*/
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#ifndef __INCasmI86h
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#define __INCasmI86h
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/************************************************************/
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/*
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* The following definitions are used for symbol name compatibility.
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*
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* When #if 1, sources are assembled assuming the compiler
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* you are using does not generate global symbols prefixed by "_".
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* (e.g. elf/dwarf)
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*
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* When #if 0, sources are assembled assuming the compiler
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* you are using generates global symbols prefixed by "_".
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* (e.g. coff/stabs)
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*/
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#if TRUE
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#define FUNC(sym) sym
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#define FUNC_LABEL(sym) sym:
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#else
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#define FUNC(sym) _##sym
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#define FUNC_LABEL(sym) _##sym:
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#endif
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#define VAR(sym) FUNC(sym)
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/*
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* These macros are used to declare assembly language symbols that need
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* to be typed properly(func or data) to be visible to the OMF tool.
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* So that the build tool could mark them as an entry point to be linked
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* correctly. This is an elfism. Use #if 0 for a.out.
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*/
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#if TRUE
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#define GTEXT(sym) FUNC(sym) ; .type FUNC(sym),@function
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#define GDATA(sym) FUNC(sym) ; .type FUNC(sym),@object
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#else
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#define GTEXT(sym) FUNC(sym)
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#define GDATA(sym) FUNC(sym)
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#endif
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/* Introduced to abstract assembler idiosyncrasies */
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#define FUNC_BEGIN(func) FUNC_LABEL(func)
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#define FUNC_END(func) .size FUNC(func), . - FUNC(func)
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/************************************************************/
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* fp offsets to arguments */
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#define ARG1 8
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#define ARG1W 10
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#define ARG2 12
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#define ARG2W 14
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#define ARG3 16
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#define ARG3W 18
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#define ARG4 20
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#define ARG5 24
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#define ARG6 28
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#define ARG7 32
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#define ARG8 36
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#define ARG9 40
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#define ARG10 44
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#define ARG11 48
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#define ARG12 52
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#define DARG1 8 /* double arguments */
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#define DARG1L 12
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#define DARG2 16
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#define DARG2L 20
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#define DARG3 24
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#define DARG3L 28
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#define DARG4 32
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#define DARG4L 36
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/* sp offsets to arguments */
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#define SP_ARG0 0
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#define SP_ARG1 4
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#define SP_ARG1W 6
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#define SP_ARG2 8
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#define SP_ARG2W 10
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#define SP_ARG3 12
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#define SP_ARG3W 14
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#define SP_ARG4 16
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#define SP_ARG5 20
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#define SP_ARG6 24
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#define SP_ARG7 28
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#define SP_ARG8 32
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#define SP_ARG9 36
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#define SP_ARG10 40
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#define SP_ARG11 44
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#define SP_ARG12 48
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/* offset to the IRQ number in the intConnectCode[] */
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#define INT_CONNECT_CODE29 24 /* from the return address of intEnt() */
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#ifdef __cplusplus
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}
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#endif
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#endif /* __INCasmI86h */
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