gen_op_regs.py (3844B)
1 #!/usr/bin/env python3 2 3 ## 4 ## Copyright(c) 2019-2021 Qualcomm Innovation Center, Inc. All Rights Reserved. 5 ## 6 ## This program is free software; you can redistribute it and/or modify 7 ## it under the terms of the GNU General Public License as published by 8 ## the Free Software Foundation; either version 2 of the License, or 9 ## (at your option) any later version. 10 ## 11 ## This program is distributed in the hope that it will be useful, 12 ## but WITHOUT ANY WARRANTY; without even the implied warranty of 13 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 ## GNU General Public License for more details. 15 ## 16 ## You should have received a copy of the GNU General Public License 17 ## along with this program; if not, see <http://www.gnu.org/licenses/>. 18 ## 19 20 import sys 21 import re 22 import string 23 import hex_common 24 25 ## 26 ## Generate the register and immediate operands for each instruction 27 ## 28 def calculate_regid_reg(tag): 29 def letter_inc(x): return chr(ord(x)+1) 30 ordered_implregs = [ 'SP','FP','LR' ] 31 srcdst_lett = 'X' 32 src_lett = 'S' 33 dst_lett = 'D' 34 retstr = "" 35 mapdict = {} 36 for reg in ordered_implregs: 37 reg_rd = 0 38 reg_wr = 0 39 if ('A_IMPLICIT_WRITES_'+reg) in hex_common.attribdict[tag]: reg_wr = 1 40 if reg_rd and reg_wr: 41 retstr += srcdst_lett 42 mapdict[srcdst_lett] = reg 43 srcdst_lett = letter_inc(srcdst_lett) 44 elif reg_rd: 45 retstr += src_lett 46 mapdict[src_lett] = reg 47 src_lett = letter_inc(src_lett) 48 elif reg_wr: 49 retstr += dst_lett 50 mapdict[dst_lett] = reg 51 dst_lett = letter_inc(dst_lett) 52 return retstr,mapdict 53 54 def calculate_regid_letters(tag): 55 retstr,mapdict = calculate_regid_reg(tag) 56 return retstr 57 58 def strip_reg_prefix(x): 59 y=x.replace('UREG.','') 60 y=y.replace('MREG.','') 61 return y.replace('GREG.','') 62 63 def main(): 64 hex_common.read_semantics_file(sys.argv[1]) 65 hex_common.read_attribs_file(sys.argv[2]) 66 tagregs = hex_common.get_tagregs() 67 tagimms = hex_common.get_tagimms() 68 69 with open(sys.argv[3], 'w') as f: 70 for tag in hex_common.tags: 71 regs = tagregs[tag] 72 rregs = [] 73 wregs = [] 74 regids = "" 75 for regtype,regid,toss,numregs in regs: 76 if hex_common.is_read(regid): 77 if regid[0] not in regids: regids += regid[0] 78 rregs.append(regtype+regid+numregs) 79 if hex_common.is_written(regid): 80 wregs.append(regtype+regid+numregs) 81 if regid[0] not in regids: regids += regid[0] 82 for attrib in hex_common.attribdict[tag]: 83 if hex_common.attribinfo[attrib]['rreg']: 84 rregs.append(strip_reg_prefix(attribinfo[attrib]['rreg'])) 85 if hex_common.attribinfo[attrib]['wreg']: 86 wregs.append(strip_reg_prefix(attribinfo[attrib]['wreg'])) 87 regids += calculate_regid_letters(tag) 88 f.write('REGINFO(%s,"%s",\t/*RD:*/\t"%s",\t/*WR:*/\t"%s")\n' % \ 89 (tag,regids,",".join(rregs),",".join(wregs))) 90 91 for tag in hex_common.tags: 92 imms = tagimms[tag] 93 f.write( 'IMMINFO(%s' % tag) 94 if not imms: 95 f.write(''','u',0,0,'U',0,0''') 96 for sign,size,shamt in imms: 97 if sign == 'r': sign = 's' 98 if not shamt: 99 shamt = "0" 100 f.write(''','%s',%s,%s''' % (sign,size,shamt)) 101 if len(imms) == 1: 102 if sign.isupper(): 103 myu = 'u' 104 else: 105 myu = 'U' 106 f.write(''','%s',0,0''' % myu) 107 f.write(')\n') 108 109 if __name__ == "__main__": 110 main()