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