qemu/target/hexagon/gen_analyze_funcs.py
Marco Liebel cd6c4edff6 Use f-strings in python scripts
Replace python 2 format string with f-strings

Signed-off-by: Marco Liebel <quic_mliebel@quicinc.com>
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Taylor Simpson <tsimpson@quicinc.com>
Tested-by: Taylor Simpson <tsimpson@quicinc.com>
Message-Id: <20230320092533.2859433-2-quic_mliebel@quicinc.com>
2023-04-21 09:32:51 -07:00

228 lines
8.9 KiB
Python
Executable File

#!/usr/bin/env python3
##
## Copyright(c) 2022-2023 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
##
## Helpers for gen_analyze_func
##
def is_predicated(tag):
return 'A_CONDEXEC' in hex_common.attribdict[tag]
def analyze_opn_old(f, tag, regtype, regid, regno):
regN = f"{regtype}{regid}N"
predicated = "true" if is_predicated(tag) else "false"
if (regtype == "R"):
if (regid in {"ss", "tt"}):
f.write(f"// const int {regN} = insn->regno[{regno}];\n")
elif (regid in {"dd", "ee", "xx", "yy"}):
f.write(f" const int {regN} = insn->regno[{regno}];\n")
f.write(f" ctx_log_reg_write_pair(ctx, {regN}, {predicated});\n")
elif (regid in {"s", "t", "u", "v"}):
f.write(f"// const int {regN} = insn->regno[{regno}];\n")
elif (regid in {"d", "e", "x", "y"}):
f.write(f" const int {regN} = insn->regno[{regno}];\n")
f.write(f" ctx_log_reg_write(ctx, {regN}, {predicated});\n")
else:
print("Bad register parse: ", regtype, regid)
elif (regtype == "P"):
if (regid in {"s", "t", "u", "v"}):
f.write(f"// const int {regN} = insn->regno[{regno}];\n")
elif (regid in {"d", "e", "x"}):
f.write(f" const int {regN} = insn->regno[{regno}];\n")
f.write(f" ctx_log_pred_write(ctx, {regN});\n")
else:
print("Bad register parse: ", regtype, regid)
elif (regtype == "C"):
if (regid == "ss"):
f.write(f"// const int {regN} = insn->regno[{regno}] "
"+ HEX_REG_SA0;\n")
elif (regid == "dd"):
f.write(f" const int {regN} = insn->regno[{regno}] "
"+ HEX_REG_SA0;\n")
f.write(f" ctx_log_reg_write_pair(ctx, {regN}, {predicated});\n")
elif (regid == "s"):
f.write(f"// const int {regN} = insn->regno[{regno}] "
"+ HEX_REG_SA0;\n")
elif (regid == "d"):
f.write(f" const int {regN} = insn->regno[{regno}] "
"+ HEX_REG_SA0;\n")
f.write(f" ctx_log_reg_write(ctx, {regN}, {predicated});\n")
else:
print("Bad register parse: ", regtype, regid)
elif (regtype == "M"):
if (regid == "u"):
f.write(f"// const int {regN} = insn->regno[{regno}];\n")
else:
print("Bad register parse: ", regtype, regid)
elif (regtype == "V"):
newv = "EXT_DFL"
if (hex_common.is_new_result(tag)):
newv = "EXT_NEW"
elif (hex_common.is_tmp_result(tag)):
newv = "EXT_TMP"
if (regid in {"dd", "xx"}):
f.write(f" const int {regN} = insn->regno[{regno}];\n")
f.write(f" ctx_log_vreg_write_pair(ctx, {regN}, {newv}, "
f"{predicated});\n")
elif (regid in {"uu", "vv"}):
f.write(f"// const int {regN} = insn->regno[{regno}];\n")
elif (regid in {"s", "u", "v", "w"}):
f.write(f"// const int {regN} = insn->regno[{regno}];\n")
elif (regid in {"d", "x", "y"}):
f.write(f" const int {regN} = insn->regno[{regno}];\n")
f.write(f" ctx_log_vreg_write(ctx, {regN}, {newv}, "
f"{predicated});\n")
else:
print("Bad register parse: ", regtype, regid)
elif (regtype == "Q"):
if (regid in {"d", "e", "x"}):
f.write(f" const int {regN} = insn->regno[{regno}];\n")
f.write(f" ctx_log_qreg_write(ctx, {regN});\n")
elif (regid in {"s", "t", "u", "v"}):
f.write(f"// const int {regN} = insn->regno[{regno}];\n")
else:
print("Bad register parse: ", regtype, regid)
elif (regtype == "G"):
if (regid in {"dd"}):
f.write(f"// const int {regN} = insn->regno[{regno}];\n")
elif (regid in {"d"}):
f.write(f"// const int {regN} = insn->regno[{regno}];\n")
elif (regid in {"ss"}):
f.write(f"// const int {regN} = insn->regno[{regno}];\n")
elif (regid in {"s"}):
f.write(f"// const int {regN} = insn->regno[{regno}];\n")
else:
print("Bad register parse: ", regtype, regid)
elif (regtype == "S"):
if (regid in {"dd"}):
f.write(f"// const int {regN} = insn->regno[{regno}];\n")
elif (regid in {"d"}):
f.write(f"// const int {regN} = insn->regno[{regno}];\n")
elif (regid in {"ss"}):
f.write(f"// const int {regN} = insn->regno[{regno}];\n")
elif (regid in {"s"}):
f.write(f"// const int {regN} = insn->regno[{regno}];\n")
else:
print("Bad register parse: ", regtype, regid)
else:
print("Bad register parse: ", regtype, regid)
def analyze_opn_new(f, tag, regtype, regid, regno):
regN = f"{regtype}{regid}N"
if (regtype == "N"):
if (regid in {"s", "t"}):
f.write(f"// const int {regN} = insn->regno[{regno}];\n")
else:
print("Bad register parse: ", regtype, regid)
elif (regtype == "P"):
if (regid in {"t", "u", "v"}):
f.write(f"// const int {regN} = insn->regno[{regno}];\n")
else:
print("Bad register parse: ", regtype, regid)
elif (regtype == "O"):
if (regid == "s"):
f.write(f"// const int {regN} = insn->regno[{regno}];\n")
else:
print("Bad register parse: ", regtype, regid)
else:
print("Bad register parse: ", regtype, regid)
def analyze_opn(f, tag, regtype, regid, toss, numregs, i):
if (hex_common.is_pair(regid)):
analyze_opn_old(f, tag, regtype, regid, i)
elif (hex_common.is_single(regid)):
if hex_common.is_old_val(regtype, regid, tag):
analyze_opn_old(f,tag, regtype, regid, i)
elif hex_common.is_new_val(regtype, regid, tag):
analyze_opn_new(f, tag, regtype, regid, i)
else:
print("Bad register parse: ", regtype, regid, toss, numregs)
else:
print("Bad register parse: ", regtype, regid, toss, numregs)
##
## Generate the code to analyze the instruction
## For A2_add: Rd32=add(Rs32,Rt32), { RdV=RsV+RtV;}
## We produce:
## static void analyze_A2_add(DisasContext *ctx)
## {
## Insn *insn G_GNUC_UNUSED = ctx->insn;
## const int RdN = insn->regno[0];
## ctx_log_reg_write(ctx, RdN, false);
## // const int RsN = insn->regno[1];
## // const int RtN = insn->regno[2];
## }
##
def gen_analyze_func(f, tag, regs, imms):
f.write(f"static void analyze_{tag}(DisasContext *ctx)\n")
f.write('{\n')
f.write(" Insn *insn G_GNUC_UNUSED = ctx->insn;\n")
i=0
## Analyze all the registers
for regtype, regid, toss, numregs in regs:
analyze_opn(f, tag, regtype, regid, toss, numregs, i)
i += 1
has_generated_helper = (not hex_common.skip_qemu_helper(tag) and
not hex_common.is_idef_parser_enabled(tag))
if (has_generated_helper and
'A_SCALAR_LOAD' in hex_common.attribdict[tag]):
f.write(" ctx->need_pkt_has_store_s1 = true;\n")
f.write("}\n\n")
def main():
hex_common.read_semantics_file(sys.argv[1])
hex_common.read_attribs_file(sys.argv[2])
hex_common.read_overrides_file(sys.argv[3])
hex_common.read_overrides_file(sys.argv[4])
## Whether or not idef-parser is enabled is
## determined by the number of arguments to
## this script:
##
## 5 args. -> not enabled,
## 6 args. -> idef-parser enabled.
##
## The 6:th arg. then holds a list of the successfully
## parsed instructions.
is_idef_parser_enabled = len(sys.argv) > 6
if is_idef_parser_enabled:
hex_common.read_idef_parser_enabled_file(sys.argv[5])
hex_common.calculate_attribs()
tagregs = hex_common.get_tagregs()
tagimms = hex_common.get_tagimms()
with open(sys.argv[-1], 'w') as f:
f.write("#ifndef HEXAGON_TCG_FUNCS_H\n")
f.write("#define HEXAGON_TCG_FUNCS_H\n\n")
for tag in hex_common.tags:
gen_analyze_func(f, tag, tagregs[tag], tagimms[tag])
f.write("#endif /* HEXAGON_TCG_FUNCS_H */\n")
if __name__ == "__main__":
main()