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umairsiddi |
/*
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#--------------------------------------------------------------
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#-- HPC-16 Assembler
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#--------------------------------------------------------------
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#-- project: HPC-16 Microprocessor
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#--
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#-- ANTLR4 grammar on HPC-16 Assembler
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#--
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#--
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#--
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#-- Author: M. Umair Siddiqui (umairsiddiqui@opencores.org)
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#---------------------------------------------------------------
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#------------------------------------------------------------------------------------
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#-- --
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#-- Copyright (c) 2015, M. Umair Siddiqui all rights reserved --
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#-- --
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#-- This file is part of HPC-16. --
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#-- --
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#-- HPC-16 is free software; you can redistribute it and/or modify --
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#-- it under the terms of the GNU Lesser General Public License as published by --
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#-- the Free Software Foundation; either version 2.1 of the License, or --
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#-- (at your option) any later version. --
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#-- --
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#-- HPC-16 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 Lesser General Public License for more details. --
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#-- --
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#-- You should have received a copy of the GNU Lesser General Public License --
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#-- along with HPC-16; if not, write to the Free Software --
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#-- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA --
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#-- --
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#------------------------------------------------------------------------------------
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*/
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grammar HPC16;
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prog : stat+;
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stat : asm_inst? NEWLINE;
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asm_inst : 'mov' REG ',' REG # mov_reg_reg
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| 'mov' STK_PTR ',' REG # mov_sp_reg
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| 'mov' REG ',' STK_PTR # mov_reg_sp
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| 'ld' REG ',' '(' REG ')' # ld_reg_reg
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| 'ld' REG ',' '(' REG '+' IMM ')' # ld_reg_reg_imm16
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| 'ld' REG ',' '(' STK_PTR ')' # ld_reg_sp
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| 'ld' REG ',' '(' STK_PTR '+' IMM ')' # ld_reg_sp_imm16
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| 'st' REG ',' '(' REG ')' # st_reg_reg
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| 'st' REG ',' '(' REG '+' IMM ')' # st_reg_reg_imm16
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| 'st' REG ',' '(' STK_PTR ')' # st_reg_sp
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| 'st' REG ',' '(' STK_PTR '+' IMM ')' # st_reg_sp_imm16
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| 'lbzx' REG ',' '(' REG ')' # lbzx_reg_reg
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| 'lbzx' REG ',' '(' REG '+' IMM ')' # lbzx_reg_reg_imm16
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| 'lbsx' REG ',' '(' REG ')' # lbsx_reg_reg
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| 'lbsx' REG ',' '(' REG '+' IMM ')' # lbsx_reg_reg_imm16
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| 'sb' REG ',' '(' REG ')' # sb_reg_reg
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| 'sb' REG ',' '(' REG '+' IMM ')' # sb_reg_reg_imm16
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| 'li' REG ',' IMM # li_reg_imm16
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| 'li' STK_PTR ',' IMM # li_sp_imm16
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| 'inc' REG # inc_reg
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| 'dec' REG # dec_reg
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| 'sub' REG ',' REG # sub_reg_reg
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| 'and' REG ',' REG # and_reg_reg
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| 'add' REG ',' REG # add_reg_reg
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| 'adc' REG ',' REG # adc_reg_reg
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| 'sbb' REG ',' REG # sbb_reg_reg
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| 'or' REG ',' REG # or_reg_reg
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| 'xor' REG ',' REG # xor_reg_reg
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| 'not' REG # not_reg
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| 'sub' REG ',' IMM # sub_reg_imm16
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| 'and' REG ',' IMM # and_reg_imm16
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| 'add' REG ',' IMM # add_reg_imm16
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| 'adc' REG ',' IMM # adc_reg_imm16
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| 'sbb' REG ',' IMM # sbb_reg_imm16
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| 'or' REG ',' IMM # or_reg_imm16
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| 'xor' REG ',' IMM # xor_reg_imm16
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| 'add' STK_PTR ',' IMM # add_sp_imm16
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| 'sub' STK_PTR ',' IMM # sub_sp_imm16
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| 'cmp' REG ',' REG # cmp_reg_reg
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| 'test' REG ',' REG # test_reg_reg
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| 'cmp' REG ',' IMM # cmp_reg_imm16
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| 'test' REG ',' IMM # test_reg_imm16
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| 'sll' REG ',' REG # sll_reg_reg
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| 'slr' REG ',' REG # slr_reg_reg
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| 'sal' REG ',' REG # sal_reg_reg
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| 'sar' REG ',' REG # sar_reg_reg
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| 'rol' REG ',' REG # rol_reg_reg
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| 'ror' REG ',' REG # ror_reg_reg
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| 'rcl' REG ',' REG # rcl_reg_reg
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| 'rcr' REG ',' REG # rcr_reg_reg
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| 'sll' REG ',' IMM # sll_reg_imm4
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| 'slr' REG ',' IMM # slr_reg_imm4
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| 'sal' REG ',' IMM # sal_reg_imm4
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| 'sar' REG ',' IMM # sar_reg_imm4
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| 'rol' REG ',' IMM # rol_reg_imm4
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| 'ror' REG ',' IMM # ror_reg_imm4
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| 'rcl' REG ',' IMM # rcl_reg_imm4
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| 'rcr' REG ',' IMM # rcr_reg_imm4
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| 'push' REG # push_reg
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| 'pushf' # pushf
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| 'pop' REG # pop_reg
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| 'popf' # popf
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| 'acall' '(' REG ')' # acall_reg
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| 'call' '(' REG ')' # call_reg
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| 'call' '(' IMM ')' # call_imm11
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| 'ret' # ret
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| 'iret' # iret
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| 'clc' # clc
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| 'stc' # stc
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| 'cmc' # cmc
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| 'cli' # cli
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| 'sti' # sti
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| 'int' IMM # int_imm4
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| 'into' # into
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| 'ajmp' '(' REG ')' # ajmp
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| 'jmp' '(' REG ')' # jmp_reg
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| 'jmp' '(' IMM ')' # jmp_imm11
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| 'nop' # nop
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| 'hlt' # halt
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| 'jo' IMM # jo_imm7
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| 'jno' IMM # jno_imm7
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| 'jb' IMM # jb_imm7
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| 'jnae' IMM # jnae_imm7
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| 'jnb' IMM # jnb_imm7
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| 'jae' IMM # jae_imm7
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| 'je' IMM # je_imm7
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| 'jz' IMM # jz_imm7
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| 'jne' IMM # jne_imm7
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| 'jnz' IMM # jnz_imm7
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| 'jbe' IMM # jbe_imm7
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| 'jna' IMM # jna_imm7
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| 'jnbe' IMM # jnbe_imm7
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| 'ja' IMM # ja_imm7
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| 'js' IMM # js_imm7
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| 'jns' IMM # jns_imm7
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| 'jl' IMM # jl_imm7
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| 'jnge' IMM # jnge_imm7
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| 'jnl' IMM # jnl_imm7
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| 'jge' IMM # jge_imm7
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| 'jle' IMM # jle_imm7
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| 'jng' IMM # jng_imm7
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| 'jnle' IMM # jnle_imm7
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| 'jg' IMM # jg_imm7
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;
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REG : [Rr][0-9]+;
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IMM : [0-9]+
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| '0x'[0-9a-fA-F]+
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;
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STK_PTR : 'SP'
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| 'sp'
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;
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WS : [ \t]+ -> skip ;
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LINE_COMMENT : '#' .*? '\r'? '\n' -> skip ; // Match "#" stuff '\n'
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NEWLINE : '\r'?'\n';
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