target/hexagon/meson.build

   1 ##
   2 ##  Copyright(c) 2020-2021 Qualcomm Innovation Center, Inc. All Rights Reserved.
   3 ##
   4 ##  This program is free software; you can redistribute it and/or modify
   5 ##  it under the terms of the GNU General Public License as published by
   6 ##  the Free Software Foundation; either version 2 of the License, or
   7 ##  (at your option) any later version.
   8 ##
   9 ##  This program is distributed in the hope that it will be useful,
  10 ##  but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 ##  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 ##  GNU General Public License for more details.
  13 ##
  14 ##  You should have received a copy of the GNU General Public License
  15 ##  along with this program; if not, see <http://www.gnu.org/licenses/>.
  16 ##
  17
  18 hexagon_ss = ss.source_set()
  19
  20 hex_common_py = 'hex_common.py'
  21 attribs_def = meson.current_source_dir() / 'attribs_def.h.inc'
  22 gen_tcg_h = meson.current_source_dir() / 'gen_tcg.h'
  23 gen_tcg_hvx_h = meson.current_source_dir() / 'gen_tcg_hvx.h'
  24 idef_parser_dir = meson.current_source_dir() / 'idef-parser'
  25
  26 #
  27 #  Step 1
  28 #  We use a C program to create semantics_generated.pyinc
  29 #
  30 gen_semantics = executable(
  31     'gen_semantics',
  32     'gen_semantics.c',
  33     native: true, build_by_default: false)
  34
  35 semantics_generated = custom_target(
  36     'semantics_generated.pyinc',
  37     output: 'semantics_generated.pyinc',
  38     command: [gen_semantics, '@OUTPUT@'],
  39 )
  40 hexagon_ss.add(semantics_generated)
  41
  42 #
  43 # Step 2
  44 # We use Python scripts to generate the following files
  45 #     shortcode_generated.h.inc
  46 #     tcg_func_table_generated.c.inc
  47 #     printinsn_generated.h.inc
  48 #     op_regs_generated.h.inc
  49 #     op_attribs_generated.h.inc
  50 #     opcodes_def_generated.h.inc
  51 #
  52 shortcode_generated = custom_target(
  53     'shortcode_generated.h.inc',
  54     output: 'shortcode_generated.h.inc',
  55     depends: [semantics_generated],
  56     depend_files: [hex_common_py, attribs_def],
  57     command: [python, files('gen_shortcode.py'), semantics_generated, attribs_def, '@OUTPUT@'],
  58 )
  59 hexagon_ss.add(shortcode_generated)
  60
  61 tcg_func_table_generated = custom_target(
  62     'tcg_func_table_generated.c.inc',
  63     output: 'tcg_func_table_generated.c.inc',
  64     depends: [semantics_generated],
  65     depend_files: [hex_common_py, attribs_def],
  66     command: [python, files('gen_tcg_func_table.py'), semantics_generated, attribs_def, '@OUTPUT@'],
  67 )
  68 hexagon_ss.add(tcg_func_table_generated)
  69
  70 printinsn_generated = custom_target(
  71     'printinsn_generated.h.inc',
  72     output: 'printinsn_generated.h.inc',
  73     depends: [semantics_generated],
  74     depend_files: [hex_common_py, attribs_def],
  75     command: [python, files('gen_printinsn.py'), semantics_generated, attribs_def, '@OUTPUT@'],
  76 )
  77 hexagon_ss.add(printinsn_generated)
  78
  79 op_regs_generated = custom_target(
  80     'op_regs_generated.h.inc',
  81     output: 'op_regs_generated.h.inc',
  82     depends: [semantics_generated],
  83     depend_files: [hex_common_py, attribs_def],
  84     command: [python, files('gen_op_regs.py'), semantics_generated, attribs_def, '@OUTPUT@'],
  85 )
  86 hexagon_ss.add(op_regs_generated)
  87
  88 op_attribs_generated = custom_target(
  89     'op_attribs_generated.h.inc',
  90     output: 'op_attribs_generated.h.inc',
  91     depends: [semantics_generated],
  92     depend_files: [hex_common_py, attribs_def],
  93     command: [python, files('gen_op_attribs.py'), semantics_generated, attribs_def, '@OUTPUT@'],
  94 )
  95 hexagon_ss.add(op_attribs_generated)
  96
  97 opcodes_def_generated = custom_target(
  98     'opcodes_def_generated.h.inc',
  99     output: 'opcodes_def_generated.h.inc',
 100     depends: [semantics_generated],
 101     depend_files: [hex_common_py, attribs_def],
 102     command: [python, files('gen_opcodes_def.py'), semantics_generated, attribs_def, '@OUTPUT@'],
 103 )
 104 hexagon_ss.add(opcodes_def_generated)
 105
 106 #
 107 # Step 3
 108 # We use a C program to create iset.py which is imported into dectree.py
 109 # to create the decode tree
 110 #
 111 gen_dectree_import = executable(
 112     'gen_dectree_import',
 113     'gen_dectree_import.c', opcodes_def_generated, op_regs_generated,
 114     native: true, build_by_default: false)
 115
 116 iset_py = custom_target(
 117     'iset.py',
 118     output: 'iset.py',
 119     command: [gen_dectree_import, '@OUTPUT@'],
 120 )
 121 hexagon_ss.add(iset_py)
 122
 123 #
 124 # Step 4
 125 # We use the dectree.py script to generate the decode tree header file
 126 #
 127 dectree_generated = custom_target(
 128     'dectree_generated.h.inc',
 129     output: 'dectree_generated.h.inc',
 130     depends: [iset_py],
 131     env: {'PYTHONPATH': meson.current_build_dir()},
 132     command: [python, files('dectree.py'), '@OUTPUT@'],
 133 )
 134 hexagon_ss.add(dectree_generated)
 135
 136 hexagon_ss.add(files(
 137     'cpu.c',
 138     'translate.c',
 139     'op_helper.c',
 140     'gdbstub.c',
 141     'genptr.c',
 142     'reg_fields.c',
 143     'decode.c',
 144     'iclass.c',
 145     'opcodes.c',
 146     'printinsn.c',
 147     'arch.c',
 148     'fma_emu.c',
 149     'mmvec/decode_ext_mmvec.c',
 150     'mmvec/system_ext_mmvec.c',
 151 ))
 152
 153 #
 154 # Step 4.5
 155 # We use flex/bison based idef-parser to generate TCG code for a lot
 156 # of instructions. idef-parser outputs
 157 #     idef-generated-emitter.c
 158 #     idef-generated-emitter.h.inc
 159 #     idef-generated-enabled-instructions
 160 #
 161 idef_parser_enabled = get_option('hexagon_idef_parser')
 162 if idef_parser_enabled and 'hexagon-linux-user' in target_dirs
 163     idef_parser_input_generated = custom_target(
 164         'idef_parser_input.h.inc',
 165         output: 'idef_parser_input.h.inc',
 166         depends: [semantics_generated],
 167         depend_files: [hex_common_py],
 168         command: [python, files('gen_idef_parser_funcs.py'), semantics_generated, attribs_def, '@OUTPUT@'],
 169     )
 170
 171     preprocessed_idef_parser_input_generated = custom_target(
 172         'idef_parser_input.preprocessed.h.inc',
 173         output: 'idef_parser_input.preprocessed.h.inc',
 174         input: idef_parser_input_generated,
 175         depend_files: [idef_parser_dir / 'macros.inc'],
 176         command: [idef_parser_dir / 'prepare', '@INPUT@', '-I' + idef_parser_dir, '-o', '@OUTPUT@'],
 177     )
 178
 179     flex = generator(
 180         find_program('flex'),
 181         output: ['@BASENAME@.yy.c', '@BASENAME@.yy.h'],
 182         arguments: ['-o', '@OUTPUT0@', '--header-file=@OUTPUT1@', '@INPUT@']
 183     )
 184
 185     bison = generator(
 186         find_program('bison'),
 187         output: ['@BASENAME@.tab.c', '@BASENAME@.tab.h'],
 188         arguments: ['@INPUT@', '--defines=@OUTPUT1@', '--output=@OUTPUT0@']
 189     )
 190
 191     glib_dep = dependency('glib-2.0', native: true)
 192
 193     idef_parser = executable(
 194         'idef-parser',
 195         [flex.process(idef_parser_dir / 'idef-parser.lex'),
 196          bison.process(idef_parser_dir / 'idef-parser.y'),
 197          idef_parser_dir / 'parser-helpers.c'],
 198         include_directories: ['idef-parser', '../../include/'],
 199         dependencies: [glib_dep],
 200         native: true
 201     )
 202
 203     idef_generated_tcg = custom_target(
 204         'idef-generated-tcg',
 205         output: ['idef-generated-emitter.c',
 206                  'idef-generated-emitter.h.inc',
 207                  'idef-generated-enabled-instructions'],
 208         input: preprocessed_idef_parser_input_generated,
 209         depend_files: [hex_common_py],
 210         command: [idef_parser, '@INPUT@', '@OUTPUT0@', '@OUTPUT1@', '@OUTPUT2@']
 211     )
 212
 213     indent = find_program('indent', required: false)
 214     if indent.found()
 215         idef_generated_tcg_c = custom_target(
 216             'indent',
 217             input: idef_generated_tcg[0],
 218             output: 'idef-generated-emitter.indented.c',
 219             command: [indent, '-linux', '@INPUT@', '-o', '@OUTPUT@']
 220         )
 221     else
 222         idef_generated_tcg_c = custom_target(
 223             'copy',
 224             input: idef_generated_tcg[0],
 225             output: 'idef-generated-emitter.indented.c',
 226             command: ['cp', '@INPUT@', '@OUTPUT@']
 227         )
 228     endif
 229
 230     idef_generated_list = idef_generated_tcg[2].full_path()
 231
 232     hexagon_ss.add(idef_generated_tcg_c)
 233
 234     # Setup input and dependencies for the next step, this depends on whether or
 235     # not idef-parser is enabled
 236     helper_dep = [semantics_generated, idef_generated_tcg_c, idef_generated_tcg]
 237     helper_in = [semantics_generated, attribs_def, gen_tcg_h, gen_tcg_hvx_h, idef_generated_list]
 238 else
 239     # Setup input and dependencies for the next step, this depends on whether or
 240     # not idef-parser is enabled
 241     helper_dep = [semantics_generated]
 242     helper_in = [semantics_generated, attribs_def, gen_tcg_h, gen_tcg_hvx_h]
 243 endif
 244
 245 #
 246 # Step 5
 247 # We use Python scripts to generate the following files
 248 #     helper_protos_generated.h.inc
 249 #     helper_funcs_generated.c.inc
 250 #     tcg_funcs_generated.c.inc
 251 #
 252 helper_protos_generated = custom_target(
 253     'helper_protos_generated.h.inc',
 254     output: 'helper_protos_generated.h.inc',
 255     depends: helper_dep,
 256     depend_files: [hex_common_py, attribs_def, gen_tcg_h, gen_tcg_hvx_h],
 257     command: [python, files('gen_helper_protos.py'), helper_in, '@OUTPUT@'],
 258 )
 259 hexagon_ss.add(helper_protos_generated)
 260
 261 helper_funcs_generated = custom_target(
 262     'helper_funcs_generated.c.inc',
 263     output: 'helper_funcs_generated.c.inc',
 264     depends: helper_dep,
 265     depend_files: [hex_common_py, attribs_def, gen_tcg_h, gen_tcg_hvx_h],
 266     command: [python, files('gen_helper_funcs.py'), helper_in, '@OUTPUT@'],
 267 )
 268 hexagon_ss.add(helper_funcs_generated)
 269
 270 tcg_funcs_generated = custom_target(
 271     'tcg_funcs_generated.c.inc',
 272     output: 'tcg_funcs_generated.c.inc',
 273     depends: helper_dep,
 274     depend_files: [hex_common_py, attribs_def, gen_tcg_h, gen_tcg_hvx_h],
 275     command: [python, files('gen_tcg_funcs.py'), helper_in, '@OUTPUT@'],
 276 )
 277 hexagon_ss.add(tcg_funcs_generated)
 278
 279 target_arch += {'hexagon': hexagon_ss}