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102 lines
3.0 KiB
ObjectPascal
102 lines
3.0 KiB
ObjectPascal
{
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Copyright (c) 2008 by Florian Klaempfl
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This unit contains the AVR GAS instruction tables
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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****************************************************************************
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}
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unit itcpugas;
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{$i fpcdefs.inc}
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interface
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uses
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cpubase,cgbase;
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const
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{ Standard opcode string table (for each tasmop enumeration). The
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opcode strings should conform to the names as defined by the
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processor manufacturer.
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}
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gas_op2str : op2strtable = ('',
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'add','adc','adiw','sub','subi','sbc','sbci','sbrc','sbrs','clc','sec','sbiw','and','andi',
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'or','ori','eor','com','neg','sbr','cbr','inc','dec','tst','clr',
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'ser','mul','muls','fmul','fmuls','fmulsu','rjmp','ijmp',
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'eijmp','jmp','rcall','icall','eicall','call','ret','reti','cpse',
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'cp','cpc','cpi','sbic','sbis','br','mov','movw','ldi','lds','ld','ldd',
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'sts','st','std','lpm','elpm','spm','in','out','push','pop',
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'lsl','lsr','rol','ror','asr','swap','bset','bclr','sbi','cbi',
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'bst','bld','s','cli','brak','nop','sleep','wdr');
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function gas_regnum_search(const s:string):Tregister;
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function gas_regname(r:Tregister):string;
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implementation
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uses
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cutils,verbose;
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const
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gas_regname_table : array[tregisterindex] of string[7] = (
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{$i ravrstd.inc}
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);
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gas_regname_index : array[tregisterindex] of tregisterindex = (
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{$i ravrsri.inc}
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);
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function findreg_by_gasname(const s:string):tregisterindex;
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var
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i,p : tregisterindex;
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begin
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{Binary search.}
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p:=0;
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i:=regnumber_count_bsstart;
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repeat
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if (p+i<=high(tregisterindex)) and (gas_regname_table[gas_regname_index[p+i]]<=s) then
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p:=p+i;
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i:=i shr 1;
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until i=0;
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if gas_regname_table[gas_regname_index[p]]=s then
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findreg_by_gasname:=gas_regname_index[p]
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else
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findreg_by_gasname:=0;
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end;
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function gas_regnum_search(const s:string):Tregister;
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begin
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result:=regnumber_table[findreg_by_gasname(s)];
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end;
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function gas_regname(r:Tregister):string;
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var
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p : tregisterindex;
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begin
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p:=findreg_by_number(r);
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if p<>0 then
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result:=gas_regname_table[p]
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else
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result:=generic_regname(r);
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end;
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end.
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