mirror of
https://gitlab.com/qemu-project/qemu
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a469666149
The attribinfo data structure is not used Adjust the command-line arguments to the python scripts Add hex_common.read_common_files for TCG/helper generation scripts Signed-off-by: Taylor Simpson <ltaylorsimpson@gmail.com> Reviewed-by: Brian Cain <bcain@quicinc.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Message-Id: <20240307032327.4799-10-ltaylorsimpson@gmail.com> Signed-off-by: Brian Cain <bcain@quicinc.com>
97 lines
3 KiB
Python
Executable file
97 lines
3 KiB
Python
Executable file
#!/usr/bin/env python3
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##
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## Copyright(c) 2022-2024 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 code to analyze the instruction
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## For A2_add: Rd32=add(Rs32,Rt32), { RdV=RsV+RtV;}
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## We produce:
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## static void analyze_A2_add(DisasContext *ctx)
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## {
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## Insn *insn G_GNUC_UNUSED = ctx->insn;
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## const int RdN = insn->regno[0];
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## ctx_log_reg_write(ctx, RdN, false);
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## const int RsN = insn->regno[1];
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## ctx_log_reg_read(ctx, RsN);
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## const int RtN = insn->regno[2];
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## ctx_log_reg_read(ctx, RtN);
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## }
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##
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def gen_analyze_func(f, tag, regs, imms):
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f.write(f"static void analyze_{tag}(DisasContext *ctx)\n")
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f.write("{\n")
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f.write(" Insn *insn G_GNUC_UNUSED = ctx->insn;\n")
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if (hex_common.is_hvx_insn(tag)):
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if hex_common.has_hvx_helper(tag):
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f.write(
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" const bool G_GNUC_UNUSED insn_has_hvx_helper = true;\n"
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)
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f.write(" ctx_start_hvx_insn(ctx);\n")
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else:
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f.write(
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" const bool G_GNUC_UNUSED insn_has_hvx_helper = false;\n"
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)
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## Declare all the registers
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for regno, register in enumerate(regs):
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reg_type, reg_id = register
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reg = hex_common.get_register(tag, reg_type, reg_id)
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reg.decl_reg_num(f, regno)
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## Analyze the register reads
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for regno, register in enumerate(regs):
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reg_type, reg_id = register
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reg = hex_common.get_register(tag, reg_type, reg_id)
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if reg.is_read():
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reg.analyze_read(f, regno)
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## Analyze the register writes
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for regno, register in enumerate(regs):
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reg_type, reg_id = register
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reg = hex_common.get_register(tag, reg_type, reg_id)
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if reg.is_written():
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reg.analyze_write(f, tag, regno)
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f.write("}\n\n")
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def main():
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hex_common.read_common_files()
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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[-1], "w") as f:
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f.write("#ifndef HEXAGON_ANALYZE_FUNCS_C_INC\n")
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f.write("#define HEXAGON_ANALYZE_FUNCS_C_INC\n\n")
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for tag in hex_common.tags:
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gen_analyze_func(f, tag, tagregs[tag], tagimms[tag])
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f.write("#endif /* HEXAGON_ANALYZE_FUNCS_C_INC */\n")
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if __name__ == "__main__":
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main()
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