| #!/usr/bin/env python3 |
| |
| ## |
| ## Copyright(c) 2019-2021 Qualcomm Innovation Center, Inc. All Rights Reserved. |
| ## |
| ## 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, see <http://www.gnu.org/licenses/>. |
| ## |
| |
| import sys |
| import re |
| import string |
| import hex_common |
| |
| ## |
| ## Generate the register and immediate operands for each instruction |
| ## |
| def calculate_regid_reg(tag): |
| def letter_inc(x): return chr(ord(x)+1) |
| ordered_implregs = [ 'SP','FP','LR' ] |
| srcdst_lett = 'X' |
| src_lett = 'S' |
| dst_lett = 'D' |
| retstr = "" |
| mapdict = {} |
| for reg in ordered_implregs: |
| reg_rd = 0 |
| reg_wr = 0 |
| if ('A_IMPLICIT_WRITES_'+reg) in hex_common.attribdict[tag]: reg_wr = 1 |
| if reg_rd and reg_wr: |
| retstr += srcdst_lett |
| mapdict[srcdst_lett] = reg |
| srcdst_lett = letter_inc(srcdst_lett) |
| elif reg_rd: |
| retstr += src_lett |
| mapdict[src_lett] = reg |
| src_lett = letter_inc(src_lett) |
| elif reg_wr: |
| retstr += dst_lett |
| mapdict[dst_lett] = reg |
| dst_lett = letter_inc(dst_lett) |
| return retstr,mapdict |
| |
| def calculate_regid_letters(tag): |
| retstr,mapdict = calculate_regid_reg(tag) |
| return retstr |
| |
| def strip_reg_prefix(x): |
| y=x.replace('UREG.','') |
| y=y.replace('MREG.','') |
| return y.replace('GREG.','') |
| |
| def main(): |
| hex_common.read_semantics_file(sys.argv[1]) |
| hex_common.read_attribs_file(sys.argv[2]) |
| tagregs = hex_common.get_tagregs() |
| tagimms = hex_common.get_tagimms() |
| |
| with open(sys.argv[3], 'w') as f: |
| for tag in hex_common.tags: |
| regs = tagregs[tag] |
| rregs = [] |
| wregs = [] |
| regids = "" |
| for regtype,regid,toss,numregs in regs: |
| if hex_common.is_read(regid): |
| if regid[0] not in regids: regids += regid[0] |
| rregs.append(regtype+regid+numregs) |
| if hex_common.is_written(regid): |
| wregs.append(regtype+regid+numregs) |
| if regid[0] not in regids: regids += regid[0] |
| for attrib in hex_common.attribdict[tag]: |
| if hex_common.attribinfo[attrib]['rreg']: |
| rregs.append(strip_reg_prefix(attribinfo[attrib]['rreg'])) |
| if hex_common.attribinfo[attrib]['wreg']: |
| wregs.append(strip_reg_prefix(attribinfo[attrib]['wreg'])) |
| regids += calculate_regid_letters(tag) |
| f.write('REGINFO(%s,"%s",\t/*RD:*/\t"%s",\t/*WR:*/\t"%s")\n' % \ |
| (tag,regids,",".join(rregs),",".join(wregs))) |
| |
| for tag in hex_common.tags: |
| imms = tagimms[tag] |
| f.write( 'IMMINFO(%s' % tag) |
| if not imms: |
| f.write(''','u',0,0,'U',0,0''') |
| for sign,size,shamt in imms: |
| if sign == 'r': sign = 's' |
| if not shamt: |
| shamt = "0" |
| f.write(''','%s',%s,%s''' % (sign,size,shamt)) |
| if len(imms) == 1: |
| if sign.isupper(): |
| myu = 'u' |
| else: |
| myu = 'U' |
| f.write(''','%s',0,0''' % myu) |
| f.write(')\n') |
| |
| if __name__ == "__main__": |
| main() |
