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      1  1.1  christos /*  This file is part of the program psim.
      2  1.1  christos 
      3  1.1  christos     Copyright (C) 1994-1995, Andrew Cagney <cagney (at) highland.com.au>
      4  1.1  christos 
      5  1.1  christos     This program is free software; you can redistribute it and/or modify
      6  1.1  christos     it under the terms of the GNU General Public License as published by
      7  1.1  christos     the Free Software Foundation; either version 3 of the License, or
      8  1.1  christos     (at your option) any later version.
      9  1.1  christos 
     10  1.1  christos     This program is distributed in the hope that it will be useful,
     11  1.1  christos     but WITHOUT ANY WARRANTY; without even the implied warranty of
     12  1.1  christos     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     13  1.1  christos     GNU General Public License for more details.
     14  1.1  christos 
     15  1.1  christos     You should have received a copy of the GNU General Public License
     16  1.1  christos     along with this program; if not, see <http://www.gnu.org/licenses/>.
     17  1.1  christos 
     18  1.1  christos     */
     19  1.1  christos 
     20  1.1  christos 
     21  1.1  christos #include "misc.h"
     22  1.1  christos #include "lf.h"
     23  1.7  christos #include "lf-ppc.h"
     24  1.1  christos #include "table.h"
     25  1.1  christos 
     26  1.1  christos #include "filter.h"
     27  1.1  christos 
     28  1.1  christos #include "ld-cache.h"
     29  1.1  christos #include "ld-decode.h"
     30  1.1  christos #include "ld-insn.h"
     31  1.1  christos 
     32  1.1  christos #include "gen-model.h"
     33  1.1  christos 
     34  1.1  christos 
     35  1.1  christos static void
     36  1.1  christos model_c_or_h_data(insn_table *table,
     37  1.1  christos 		  lf *file,
     38  1.1  christos 		  table_entry *data)
     39  1.1  christos {
     40  1.1  christos   if (data->annex) {
     41  1.1  christos     table_entry_print_cpp_line_nr(file, data);
     42  1.1  christos     lf_print__c_code(file, data->annex);
     43  1.7  christos     lf_print__internal_ref(file);
     44  1.1  christos     lf_printf(file, "\n");
     45  1.1  christos   }
     46  1.1  christos }
     47  1.1  christos 
     48  1.1  christos static void
     49  1.1  christos model_c_or_h_function(insn_table *entry,
     50  1.1  christos 		      lf *file,
     51  1.1  christos 		      table_entry *function,
     52  1.6  christos 		      const char *prefix)
     53  1.1  christos {
     54  1.1  christos   if (function->fields[function_type] == NULL
     55  1.1  christos       || function->fields[function_type][0] == '\0') {
     56  1.7  christos     ERROR("Model function type not specified for %s", function->fields[function_name]);
     57  1.1  christos   }
     58  1.1  christos   lf_printf(file, "\n");
     59  1.7  christos   lf_print__function_type(file, function->fields[function_type], prefix, " ");
     60  1.1  christos   lf_printf(file, "%s\n(%s);\n",
     61  1.1  christos 	    function->fields[function_name],
     62  1.1  christos 	    function->fields[function_param]);
     63  1.1  christos   lf_printf(file, "\n");
     64  1.1  christos }
     65  1.1  christos 
     66  1.1  christos void
     67  1.1  christos gen_model_h(insn_table *table, lf *file)
     68  1.1  christos {
     69  1.1  christos   insn *insn_ptr;
     70  1.1  christos   model *model_ptr;
     71  1.1  christos   insn *macro;
     72  1.6  christos   const char *name;
     73  1.1  christos   int model_create_p = 0;
     74  1.1  christos   int model_init_p = 0;
     75  1.1  christos   int model_halt_p = 0;
     76  1.1  christos   int model_mon_info_p = 0;
     77  1.1  christos   int model_mon_info_free_p = 0;
     78  1.1  christos 
     79  1.1  christos   for(macro = model_macros; macro; macro = macro->next) {
     80  1.1  christos     model_c_or_h_data(table, file, macro->file_entry);
     81  1.1  christos   }
     82  1.1  christos 
     83  1.1  christos   lf_printf(file, "typedef enum _model_enum {\n");
     84  1.1  christos   lf_printf(file, "  MODEL_NONE,\n");
     85  1.1  christos   for (model_ptr = models; model_ptr; model_ptr = model_ptr->next) {
     86  1.1  christos     lf_printf(file, "  MODEL_%s,\n", model_ptr->name);
     87  1.1  christos   }
     88  1.1  christos   lf_printf(file, "  nr_models\n");
     89  1.1  christos   lf_printf(file, "} model_enum;\n");
     90  1.1  christos   lf_printf(file, "\n");
     91  1.1  christos 
     92  1.1  christos   lf_printf(file, "#define DEFAULT_MODEL MODEL_%s\n", (models) ? models->name : "NONE");
     93  1.1  christos   lf_printf(file, "\n");
     94  1.1  christos 
     95  1.1  christos   lf_printf(file, "typedef struct _model_data model_data;\n");
     96  1.1  christos   lf_printf(file, "typedef struct _model_time model_time;\n");
     97  1.1  christos   lf_printf(file, "\n");
     98  1.1  christos 
     99  1.1  christos   lf_printf(file, "extern model_enum current_model;\n");
    100  1.1  christos   lf_printf(file, "extern const char *model_name[ (int)nr_models ];\n");
    101  1.1  christos   lf_printf(file, "extern const char *const *const model_func_unit_name[ (int)nr_models ];\n");
    102  1.1  christos   lf_printf(file, "extern const model_time *const model_time_mapping[ (int)nr_models ];\n");
    103  1.1  christos   lf_printf(file, "\n");
    104  1.1  christos 
    105  1.1  christos   for(insn_ptr = model_functions; insn_ptr; insn_ptr = insn_ptr->next) {
    106  1.1  christos     model_c_or_h_function(table, file, insn_ptr->file_entry, "INLINE_MODEL");
    107  1.1  christos     name = insn_ptr->file_entry->fields[function_name];
    108  1.1  christos     if (strcmp (name, "model_create") == 0)
    109  1.1  christos       model_create_p = 1;
    110  1.1  christos     else if (strcmp (name, "model_init") == 0)
    111  1.1  christos       model_init_p = 1;
    112  1.1  christos     else if (strcmp (name, "model_halt") == 0)
    113  1.1  christos       model_halt_p = 1;
    114  1.1  christos     else if (strcmp (name, "model_mon_info") == 0)
    115  1.1  christos       model_mon_info_p = 1;
    116  1.1  christos     else if (strcmp (name, "model_mon_info_free") == 0)
    117  1.1  christos       model_mon_info_free_p = 1;
    118  1.1  christos   }
    119  1.1  christos 
    120  1.1  christos   if (!model_create_p) {
    121  1.7  christos     lf_print__function_type(file, "model_data *", "INLINE_MODEL", " ");
    122  1.1  christos     lf_printf(file, "model_create\n");
    123  1.1  christos     lf_printf(file, "(cpu *processor);\n");
    124  1.1  christos     lf_printf(file, "\n");
    125  1.1  christos   }
    126  1.1  christos 
    127  1.1  christos   if (!model_init_p) {
    128  1.7  christos     lf_print__function_type(file, "void", "INLINE_MODEL", " ");
    129  1.1  christos     lf_printf(file, "model_init\n");
    130  1.1  christos     lf_printf(file, "(model_data *model_ptr);\n");
    131  1.1  christos     lf_printf(file, "\n");
    132  1.1  christos   }
    133  1.1  christos 
    134  1.1  christos   if (!model_halt_p) {
    135  1.7  christos     lf_print__function_type(file, "void", "INLINE_MODEL", " ");
    136  1.1  christos     lf_printf(file, "model_halt\n");
    137  1.1  christos     lf_printf(file, "(model_data *model_ptr);\n");
    138  1.1  christos     lf_printf(file, "\n");
    139  1.1  christos   }
    140  1.1  christos 
    141  1.1  christos   if (!model_mon_info_p) {
    142  1.7  christos     lf_print__function_type(file, "model_print *", "INLINE_MODEL", " ");
    143  1.1  christos     lf_printf(file, "model_mon_info\n");
    144  1.1  christos     lf_printf(file, "(model_data *model_ptr);\n");
    145  1.1  christos     lf_printf(file, "\n");
    146  1.1  christos   }
    147  1.1  christos 
    148  1.1  christos   if (!model_mon_info_free_p) {
    149  1.7  christos     lf_print__function_type(file, "void", "INLINE_MODEL", " ");
    150  1.1  christos     lf_printf(file, "model_mon_info_free\n");
    151  1.1  christos     lf_printf(file, "(model_data *model_ptr,\n");
    152  1.1  christos     lf_printf(file, " model_print *info_ptr);\n");
    153  1.1  christos     lf_printf(file, "\n");
    154  1.1  christos   }
    155  1.1  christos 
    156  1.7  christos   lf_print__function_type(file, "void", "INLINE_MODEL", " ");
    157  1.1  christos   lf_printf(file, "model_set\n");
    158  1.1  christos   lf_printf(file, "(const char *name);\n");
    159  1.1  christos }
    160  1.1  christos 
    161  1.1  christos /****************************************************************/
    162  1.1  christos 
    163  1.1  christos typedef struct _model_c_passed_data model_c_passed_data;
    164  1.1  christos struct _model_c_passed_data {
    165  1.1  christos   lf *file;
    166  1.1  christos   model *model_ptr;
    167  1.1  christos };
    168  1.1  christos 
    169  1.1  christos static void
    170  1.1  christos model_c_insn(insn_table *entry,
    171  1.1  christos 	     lf *phony_file,
    172  1.1  christos 	     void *data,
    173  1.1  christos 	     insn *instruction,
    174  1.1  christos 	     int depth)
    175  1.1  christos {
    176  1.1  christos   model_c_passed_data *data_ptr = (model_c_passed_data *)data;
    177  1.1  christos   lf *file = data_ptr->file;
    178  1.6  christos   const char *current_name = data_ptr->model_ptr->printable_name;
    179  1.1  christos   table_model_entry *model_ptr = instruction->file_entry->model_first;
    180  1.1  christos 
    181  1.1  christos   while (model_ptr) {
    182  1.1  christos     if (model_ptr->fields[insn_model_name] == current_name) {
    183  1.1  christos       lf_printf(file, "  { %-*s },  /* %s */\n",
    184  1.1  christos 		max_model_fields_len,
    185  1.1  christos 		model_ptr->fields[insn_model_fields],
    186  1.1  christos 		instruction->file_entry->fields[insn_name]);
    187  1.1  christos       return;
    188  1.1  christos     }
    189  1.1  christos 
    190  1.1  christos     model_ptr = model_ptr->next;
    191  1.1  christos   }
    192  1.1  christos 
    193  1.1  christos   lf_printf(file, "  { %-*s },  /* %s */\n",
    194  1.1  christos 	    max_model_fields_len,
    195  1.1  christos 	    data_ptr->model_ptr->insn_default,
    196  1.1  christos 	    instruction->file_entry->fields[insn_name]);
    197  1.1  christos }
    198  1.1  christos 
    199  1.1  christos static void
    200  1.1  christos model_c_function(insn_table *table,
    201  1.1  christos 		 lf *file,
    202  1.1  christos 		 table_entry *function,
    203  1.1  christos 		 const char *prefix)
    204  1.1  christos {
    205  1.1  christos   if (function->fields[function_type] == NULL
    206  1.1  christos       || function->fields[function_type][0] == '\0') {
    207  1.7  christos     ERROR("Model function return type not specified for %s", function->fields[function_name]);
    208  1.1  christos   }
    209  1.1  christos   else {
    210  1.1  christos     lf_printf(file, "\n");
    211  1.7  christos     lf_print__function_type(file, function->fields[function_type], prefix, "\n");
    212  1.1  christos     lf_printf(file, "%s(%s)\n",
    213  1.1  christos 	      function->fields[function_name],
    214  1.1  christos 	      function->fields[function_param]);
    215  1.1  christos   }
    216  1.1  christos   table_entry_print_cpp_line_nr(file, function);
    217  1.1  christos   lf_printf(file, "{\n");
    218  1.1  christos   if (function->annex) {
    219  1.1  christos     lf_indent(file, +2);
    220  1.1  christos     lf_print__c_code(file, function->annex);
    221  1.1  christos     lf_indent(file, -2);
    222  1.1  christos   }
    223  1.1  christos   lf_printf(file, "}\n");
    224  1.7  christos   lf_print__internal_ref(file);
    225  1.1  christos   lf_printf(file, "\n");
    226  1.1  christos }
    227  1.1  christos 
    228  1.1  christos void
    229  1.1  christos gen_model_c(insn_table *table, lf *file)
    230  1.1  christos {
    231  1.1  christos   insn *insn_ptr;
    232  1.1  christos   model *model_ptr;
    233  1.6  christos   const char *name;
    234  1.1  christos   int model_create_p = 0;
    235  1.1  christos   int model_init_p = 0;
    236  1.1  christos   int model_halt_p = 0;
    237  1.1  christos   int model_mon_info_p = 0;
    238  1.1  christos   int model_mon_info_free_p = 0;
    239  1.1  christos 
    240  1.1  christos   lf_printf(file, "\n");
    241  1.1  christos   lf_printf(file, "#include \"cpu.h\"\n");
    242  1.1  christos   lf_printf(file, "#include \"mon.h\"\n");
    243  1.1  christos   lf_printf(file, "\n");
    244  1.1  christos   lf_printf(file, "#include <stdlib.h>\n");
    245  1.1  christos   lf_printf(file, "\n");
    246  1.1  christos 
    247  1.1  christos   for(insn_ptr = model_data; insn_ptr; insn_ptr = insn_ptr->next) {
    248  1.1  christos     model_c_or_h_data(table, file, insn_ptr->file_entry);
    249  1.1  christos   }
    250  1.1  christos 
    251  1.1  christos   for(insn_ptr = model_static; insn_ptr; insn_ptr = insn_ptr->next) {
    252  1.1  christos     model_c_or_h_function(table, file, insn_ptr->file_entry, "/*h*/STATIC");
    253  1.1  christos   }
    254  1.1  christos 
    255  1.1  christos   for(insn_ptr = model_internal; insn_ptr; insn_ptr = insn_ptr->next) {
    256  1.1  christos     model_c_or_h_function(table, file, insn_ptr->file_entry, "STATIC_INLINE_MODEL");
    257  1.1  christos   }
    258  1.1  christos 
    259  1.1  christos   for(insn_ptr = model_static; insn_ptr; insn_ptr = insn_ptr->next) {
    260  1.1  christos     model_c_function(table, file, insn_ptr->file_entry, "/*c*/STATIC");
    261  1.1  christos   }
    262  1.1  christos 
    263  1.1  christos   for(insn_ptr = model_internal; insn_ptr; insn_ptr = insn_ptr->next) {
    264  1.1  christos     model_c_function(table, file, insn_ptr->file_entry, "STATIC_INLINE_MODEL");
    265  1.1  christos   }
    266  1.1  christos 
    267  1.1  christos   for(insn_ptr = model_functions; insn_ptr; insn_ptr = insn_ptr->next) {
    268  1.1  christos     model_c_function(table, file, insn_ptr->file_entry, "INLINE_MODEL");
    269  1.1  christos     name = insn_ptr->file_entry->fields[function_name];
    270  1.1  christos     if (strcmp (name, "model_create") == 0)
    271  1.1  christos       model_create_p = 1;
    272  1.1  christos     else if (strcmp (name, "model_init") == 0)
    273  1.1  christos       model_init_p = 1;
    274  1.1  christos     else if (strcmp (name, "model_halt") == 0)
    275  1.1  christos       model_halt_p = 1;
    276  1.1  christos     else if (strcmp (name, "model_mon_info") == 0)
    277  1.1  christos       model_mon_info_p = 1;
    278  1.1  christos     else if (strcmp (name, "model_mon_info_free") == 0)
    279  1.1  christos       model_mon_info_free_p = 1;
    280  1.1  christos   }
    281  1.1  christos 
    282  1.1  christos   if (!model_create_p) {
    283  1.7  christos     lf_print__function_type(file, "model_data *", "INLINE_MODEL", "\n");
    284  1.1  christos     lf_printf(file, "model_create(cpu *processor)\n");
    285  1.1  christos     lf_printf(file, "{\n");
    286  1.1  christos     lf_printf(file, "  return (model_data *)0;\n");
    287  1.1  christos     lf_printf(file, "}\n");
    288  1.1  christos     lf_printf(file, "\n");
    289  1.1  christos   }
    290  1.1  christos 
    291  1.1  christos   if (!model_init_p) {
    292  1.7  christos     lf_print__function_type(file, "void", "INLINE_MODEL", "\n");
    293  1.1  christos     lf_printf(file, "model_init(model_data *model_ptr)\n");
    294  1.1  christos     lf_printf(file, "{\n");
    295  1.1  christos     lf_printf(file, "}\n");
    296  1.1  christos     lf_printf(file, "\n");
    297  1.1  christos   }
    298  1.1  christos 
    299  1.1  christos   if (!model_halt_p) {
    300  1.7  christos     lf_print__function_type(file, "void", "INLINE_MODEL", "\n");
    301  1.1  christos     lf_printf(file, "model_halt(model_data *model_ptr)\n");
    302  1.1  christos     lf_printf(file, "{\n");
    303  1.1  christos     lf_printf(file, "}\n");
    304  1.1  christos     lf_printf(file, "\n");
    305  1.1  christos   }
    306  1.1  christos 
    307  1.1  christos   if (!model_mon_info_p) {
    308  1.7  christos     lf_print__function_type(file, "model_print *", "INLINE_MODEL", "\n");
    309  1.1  christos     lf_printf(file, "model_mon_info(model_data *model_ptr)\n");
    310  1.1  christos     lf_printf(file, "{\n");
    311  1.1  christos     lf_printf(file, "  return (model_print *)0;\n");
    312  1.1  christos     lf_printf(file, "}\n");
    313  1.1  christos     lf_printf(file, "\n");
    314  1.1  christos   }
    315  1.1  christos 
    316  1.1  christos   if (!model_mon_info_free_p) {
    317  1.7  christos     lf_print__function_type(file, "void", "INLINE_MODEL", "\n");
    318  1.1  christos     lf_printf(file, "model_mon_info_free(model_data *model_ptr,\n");
    319  1.1  christos     lf_printf(file, "                    model_print *info_ptr)\n");
    320  1.1  christos     lf_printf(file, "{\n");
    321  1.1  christos     lf_printf(file, "}\n");
    322  1.1  christos     lf_printf(file, "\n");
    323  1.1  christos   }
    324  1.1  christos 
    325  1.1  christos   lf_printf(file, "/* Insn functional unit info */\n");
    326  1.1  christos   for(model_ptr = models; model_ptr; model_ptr = model_ptr->next) {
    327  1.1  christos     model_c_passed_data data;
    328  1.1  christos 
    329  1.1  christos     lf_printf(file, "static const model_time model_time_%s[] = {\n", model_ptr->name);
    330  1.1  christos     data.file = file;
    331  1.1  christos     data.model_ptr = model_ptr;
    332  1.1  christos     insn_table_traverse_insn(table,
    333  1.1  christos 			     NULL, (void *)&data,
    334  1.1  christos 			     model_c_insn);
    335  1.1  christos 
    336  1.1  christos     lf_printf(file, "};\n");
    337  1.1  christos     lf_printf(file, "\n");
    338  1.1  christos     lf_printf(file, "\f\n");
    339  1.1  christos   }
    340  1.1  christos 
    341  1.1  christos   lf_printf(file, "#ifndef _INLINE_C_\n");
    342  1.1  christos   lf_printf(file, "const model_time *const model_time_mapping[ (int)nr_models ] = {\n");
    343  1.1  christos   lf_printf(file, "  (const model_time *const)0,\n");
    344  1.1  christos   for(model_ptr = models; model_ptr; model_ptr = model_ptr->next) {
    345  1.1  christos     lf_printf(file, "  model_time_%s,\n", model_ptr->name);
    346  1.1  christos   }
    347  1.1  christos   lf_printf(file, "};\n");
    348  1.1  christos   lf_printf(file, "#endif\n");
    349  1.1  christos   lf_printf(file, "\n");
    350  1.1  christos 
    351  1.1  christos   lf_printf(file, "\f\n");
    352  1.1  christos   lf_printf(file, "/* map model enumeration into printable string */\n");
    353  1.1  christos   lf_printf(file, "#ifndef _INLINE_C_\n");
    354  1.1  christos   lf_printf(file, "const char *model_name[ (int)nr_models ] = {\n");
    355  1.1  christos   lf_printf(file, "  \"NONE\",\n");
    356  1.1  christos   for (model_ptr = models; model_ptr; model_ptr = model_ptr->next) {
    357  1.1  christos     lf_printf(file, "  \"%s\",\n", model_ptr->printable_name);
    358  1.1  christos   }
    359  1.1  christos   lf_printf(file, "};\n");
    360  1.1  christos   lf_printf(file, "#endif\n");
    361  1.1  christos   lf_printf(file, "\n");
    362  1.1  christos 
    363  1.7  christos   lf_print__function_type(file, "void", "INLINE_MODEL", "\n");
    364  1.1  christos   lf_printf(file, "model_set(const char *name)\n");
    365  1.1  christos   lf_printf(file, "{\n");
    366  1.1  christos   if (models) {
    367  1.1  christos     lf_printf(file, "  model_enum model;\n");
    368  1.1  christos     lf_printf(file, "  for(model = MODEL_%s; model < nr_models; model++) {\n", models->name);
    369  1.1  christos     lf_printf(file, "    if(strcmp(name, model_name[model]) == 0) {\n");
    370  1.1  christos     lf_printf(file, "      current_model = model;\n");
    371  1.1  christos     lf_printf(file, "      return;\n");
    372  1.1  christos     lf_printf(file, "    }\n");
    373  1.1  christos     lf_printf(file, "  }\n");
    374  1.1  christos     lf_printf(file, "\n");
    375  1.1  christos     lf_printf(file, "  error(\"Unknown model '%%s', Models which are known are:%%s\\n\",\n");
    376  1.1  christos     lf_printf(file, "        name,\n");
    377  1.1  christos     lf_printf(file, "        \"");
    378  1.1  christos     for(model_ptr = models; model_ptr; model_ptr = model_ptr->next) {
    379  1.1  christos       lf_printf(file, "\\n\\t%s", model_ptr->printable_name);
    380  1.1  christos     }
    381  1.1  christos     lf_printf(file, "\");\n");
    382  1.1  christos   } else {
    383  1.1  christos     lf_printf(file, "  error(\"No models are currently known about\");\n");
    384  1.1  christos   }
    385  1.1  christos 
    386  1.1  christos   lf_printf(file, "}\n");
    387  1.1  christos }
    388  1.1  christos 
    389