| 1 | #!/usr/bin/env python3 |
| 2 | |
| 3 | ## |
| 4 | ## Copyright(c) 2019-2024 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 DEF_HELPER prototype for an instruction |
| 27 | ## For A2_add: Rd32=add(Rs32,Rt32) |
| 28 | ## We produce: |
| 29 | ## DEF_HELPER_3(A2_add, s32, env, s32, s32) |
| 30 | ## |
| 31 | def gen_helper_prototype(f, tag, tagregs, tagimms): |
| 32 | regs = tagregs[tag] |
| 33 | imms = tagimms[tag] |
| 34 | |
| 35 | declared = [] |
| 36 | ret_type = hex_common.helper_ret_type(tag, regs).proto_arg |
| 37 | declared.append(ret_type) |
| 38 | |
| 39 | for arg in hex_common.helper_args(tag, regs, imms): |
| 40 | declared.append(arg.proto_arg) |
| 41 | |
| 42 | arguments = ", ".join(declared) |
| 43 | |
| 44 | ## Add the TCG_CALL_NO_RWG_SE flag to helpers that don't take the env |
| 45 | ## argument and aren't HVX instructions. Since HVX instructions take |
| 46 | ## pointers to their arguments, they will have side effects. |
| 47 | if hex_common.need_env(tag) or hex_common.is_hvx_insn(tag): |
| 48 | f.write(f"DEF_HELPER_{len(declared) - 1}({tag}, {arguments})\n") |
| 49 | else: |
| 50 | f.write(f"DEF_HELPER_FLAGS_{len(declared) - 1}({tag}, " |
| 51 | f"TCG_CALL_NO_RWG_SE, {arguments})\n") |
| 52 | |
| 53 | |
| 54 | def main(): |
| 55 | args = hex_common.parse_common_args( |
| 56 | "Emit helper function prototypes for each instruction" |
| 57 | ) |
| 58 | tagregs = hex_common.get_tagregs() |
| 59 | tagimms = hex_common.get_tagimms() |
| 60 | |
| 61 | with open(args.out, "w") as f: |
| 62 | for tag in hex_common.get_user_tags(): |
| 63 | if hex_common.tag_ignore(tag): |
| 64 | continue |
| 65 | |
| 66 | if hex_common.skip_qemu_helper(tag): |
| 67 | continue |
| 68 | if hex_common.is_idef_parser_enabled(tag): |
| 69 | continue |
| 70 | |
| 71 | gen_helper_prototype(f, tag, tagregs, tagimms) |
| 72 | |
| 73 | f.write("#if !defined(CONFIG_USER_ONLY)\n") |
| 74 | for tag in hex_common.get_sys_tags(): |
| 75 | if hex_common.tag_ignore(tag): |
| 76 | continue |
| 77 | if hex_common.skip_qemu_helper(tag): |
| 78 | continue |
| 79 | if hex_common.is_idef_parser_enabled(tag): |
| 80 | continue |
| 81 | |
| 82 | gen_helper_prototype(f, tag, tagregs, tagimms) |
| 83 | f.write("#endif\n") |
| 84 | |
| 85 | |
| 86 | if __name__ == "__main__": |
| 87 | main() |