fpc/compiler/avr/itcpugas.pas
florian bc0586139a * copyright and description fixed
git-svn-id: trunk@10414 -
2008-03-01 20:22:18 +00:00

102 lines
3.0 KiB
ObjectPascal

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