c90e3103a3
Reviewed-by: Brian Cain <bcain@quicinc.com> Signed-off-by: Taylor Simpson <ltaylorsimpson@gmail.com> Message-Id: <20231210220712.491494-7-ltaylorsimpson@gmail.com> Signed-off-by: Brian Cain <bcain@quicinc.com>
126 lines
4.0 KiB
Python
Executable File
126 lines
4.0 KiB
Python
Executable File
#!/usr/bin/env python3
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##
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## Copyright(c) 2019-2023 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):
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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]:
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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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hex_common.init_registers()
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tagregs = hex_common.get_tagregs(full=True)
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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, _, numregs in regs:
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reg = hex_common.get_register(tag, regtype, regid)
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if reg.is_read():
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if regid[0] not in regids:
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regids += regid[0]
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rregs.append(regtype + regid + numregs)
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if reg.is_written():
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wregs.append(regtype + regid + numregs)
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if regid[0] not in regids:
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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(
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f'REGINFO({tag},"{regids}",\t/*RD:*/\t"{",".join(rregs)}",'
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f'\t/*WR:*/\t"{",".join(wregs)}")\n'
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)
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for tag in hex_common.tags:
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imms = tagimms[tag]
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f.write(f"IMMINFO({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":
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sign = "s"
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if not shamt:
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shamt = "0"
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f.write(f""",'{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(f""",'{myu}',0,0""")
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f.write(")\n")
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if __name__ == "__main__":
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main()
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