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Diffstat (limited to 'sim/ppc/dgen.c')
| -rw-r--r-- | sim/ppc/dgen.c | 334 |
1 files changed, 0 insertions, 334 deletions
diff --git a/sim/ppc/dgen.c b/sim/ppc/dgen.c deleted file mode 100644 index 73f8d7d..0000000 --- a/sim/ppc/dgen.c +++ /dev/null @@ -1,334 +0,0 @@ -/* This file is part of the program psim. - - Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au> - - 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 3 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/>. - - */ - - -#include <sys/types.h> -#include <sys/stat.h> -#include <fcntl.h> -#include <getopt.h> -#include <stdio.h> -#include <ctype.h> -#include <stdarg.h> - -#include "build-config.h" -#include "misc.h" -#include "lf.h" -#include "table.h" - -#ifdef HAVE_UNISTD_H -#include <unistd.h> -#endif -#include <stdlib.h> -#include <string.h> - -/****************************************************************/ - -enum { - nr_of_sprs = 1024, -}; - -/****************************************************************/ - - -typedef enum { - spreg_name, - spreg_reg_nr, - spreg_readonly, - spreg_length, - nr_spreg_fields, -} spreg_fields; - -typedef struct _spreg_table_entry spreg_table_entry; -struct _spreg_table_entry { - char *name; - int spreg_nr; - int is_readonly; - int length; - table_entry *entry; - spreg_table_entry *next; -}; - -typedef struct _spreg_table spreg_table; -struct _spreg_table { - spreg_table_entry *sprs; -}; - -static void -spreg_table_insert(spreg_table *table, table_entry *entry) -{ - /* create a new spr entry */ - spreg_table_entry *new_spr = ZALLOC(spreg_table_entry); - new_spr->next = NULL; - new_spr->entry = entry; - new_spr->spreg_nr = atoi(entry->fields[spreg_reg_nr]); - new_spr->is_readonly = (entry->fields[spreg_readonly] - ? atoi(entry->fields[spreg_readonly]) - : 0); - new_spr->length = atoi(entry->fields[spreg_length]); - new_spr->name = (char*)zalloc(strlen(entry->fields[spreg_name]) + 1); - ASSERT(new_spr->name != NULL); - { - int i; - for (i = 0; entry->fields[spreg_name][i] != '\0'; i++) { - if (isupper(entry->fields[spreg_name][i])) - new_spr->name[i] = tolower(entry->fields[spreg_name][i]); - else - new_spr->name[i] = entry->fields[spreg_name][i]; - } - } - - /* insert, by spreg_nr order */ - { - spreg_table_entry **ptr_to_spreg_entry = &table->sprs; - spreg_table_entry *spreg_entry = *ptr_to_spreg_entry; - while (spreg_entry != NULL && spreg_entry->spreg_nr < new_spr->spreg_nr) { - ptr_to_spreg_entry = &spreg_entry->next; - spreg_entry = *ptr_to_spreg_entry; - } - ASSERT(spreg_entry == NULL || spreg_entry->spreg_nr != new_spr->spreg_nr); - *ptr_to_spreg_entry = new_spr; - new_spr->next = spreg_entry; - } - -} - - -static spreg_table * -spreg_table_load(char *file_name) -{ - table *file = table_open(file_name, nr_spreg_fields, 0); - spreg_table *table = ZALLOC(spreg_table); - - { - table_entry *entry; - while ((entry = table_entry_read(file)) != NULL) { - spreg_table_insert(table, entry); - } - } - - return table; -} - - -/****************************************************************/ - -char *spreg_attributes[] = { - "is_valid", - "is_readonly", - "name", - "index", - "length", - 0 -}; - -static void -gen_spreg_h(spreg_table *table, lf *file) -{ - spreg_table_entry *entry; - char **attribute; - - lf_print__gnu_copyleft(file); - lf_printf(file, "\n"); - lf_printf(file, "#ifndef _SPREG_H_\n"); - lf_printf(file, "#define _SPREG_H_\n"); - lf_printf(file, "\n"); - lf_printf(file, "typedef unsigned_word spreg;\n"); - lf_printf(file, "\n"); - lf_printf(file, "typedef enum {\n"); - - for (entry = table->sprs; - entry != NULL ; - entry = entry->next) { - lf_printf(file, " spr_%s = %d,\n", entry->name, entry->spreg_nr); - } - - lf_printf(file, " nr_of_sprs = %d\n", nr_of_sprs); - lf_printf(file, "} sprs;\n"); - lf_printf(file, "\n"); - for (attribute = spreg_attributes; - *attribute != NULL; - attribute++) { - if (strcmp(*attribute, "name") == 0) { - lf_print_function_type(file, "const char *", "INLINE_SPREG", " "); - lf_printf(file, "spr_%s(sprs spr);\n", *attribute); - } - else { - lf_print_function_type(file, "int", "INLINE_SPREG", " "); - lf_printf(file, "spr_%s(sprs spr);\n", *attribute); - } - } - lf_printf(file, "\n"); - lf_printf(file, "#endif /* _SPREG_H_ */\n"); -} - - -static void -gen_spreg_c(spreg_table *table, lf *file) -{ - spreg_table_entry *entry; - char **attribute; - int spreg_nr; - int spreg_lookup_table; - - lf_print__gnu_copyleft(file); - lf_printf(file, "\n"); - lf_printf(file, "#ifndef _SPREG_C_\n"); - lf_printf(file, "#define _SPREG_C_\n"); - lf_printf(file, "\n"); - lf_printf(file, "#include \"basics.h\"\n"); - lf_printf(file, "#include \"spreg.h\"\n"); - - lf_printf(file, "\n"); - lf_printf(file, "typedef struct _spreg_info {\n"); - lf_printf(file, " const char *name;\n"); - lf_printf(file, " int is_valid;\n"); - lf_printf(file, " int length;\n"); - lf_printf(file, " int is_readonly;\n"); - lf_printf(file, " int index;\n"); - lf_printf(file, "} spreg_info;\n"); - lf_printf(file, "\n"); - lf_printf(file, "static const spreg_info spr_info[nr_of_sprs+1] = {\n"); - entry = table->sprs; - for (spreg_nr = 0; spreg_nr < nr_of_sprs+1; spreg_nr++) { - if (entry == NULL || spreg_nr < entry->spreg_nr) - lf_printf(file, " { 0, 0, 0, 0, %d},\n", spreg_nr); - else { - lf_printf(file, " { \"%s\", %d, %d, %d, spr_%s /*%d*/ },\n", - entry->name, 1, entry->length, entry->is_readonly, - entry->name, entry->spreg_nr); - entry = entry->next; - } - } - lf_printf(file, "};\n"); - - for (attribute = spreg_attributes; - *attribute != NULL; - attribute++) { - lf_printf(file, "\n"); - if (strcmp(*attribute, "name") == 0) { - lf_print_function_type(file, "const char *", "INLINE_SPREG", "\n"); - } - else { - lf_print_function_type(file, "int", "INLINE_SPREG", "\n"); - } - lf_printf(file, "spr_%s(sprs spr)\n", *attribute); - lf_printf(file, "{\n"); - spreg_lookup_table = !(strcmp(*attribute, "name") == 0 - || strcmp(*attribute, "index") == 0); - if (spreg_lookup_table) { - spreg_table_entry *entry; - lf_printf(file, "#ifdef WITH_SPREG_SWITCH_TABLE\n"); - lf_printf(file, " switch (spr) {\n"); - for (entry = table->sprs; entry != NULL; entry = entry->next) { - if (strcmp(*attribute, "is_valid") == 0) { - lf_printf(file, " case %d:\n", entry->spreg_nr); - /* No return -- see below. */; - } else if (strcmp(*attribute, "is_readonly") == 0) { - /* Since we return 0 by default, only output non-zero entries. */ - if (entry->is_readonly) { - lf_printf(file, " case %d:\n", entry->spreg_nr); - lf_printf(file, " return %d;\n", entry->is_readonly); - } - } else if (strcmp(*attribute, "length") == 0) { - /* Since we return 0 by default, only output non-zero entries. */ - if (entry->length) { - lf_printf(file, " case %d:\n", entry->spreg_nr); - lf_printf(file, " return %d;\n", entry->length); - } - } else - ASSERT(0); - } - /* Output a single return for is_valid. */ - if (strcmp(*attribute, "is_valid") == 0) - lf_printf(file, " return 1;\n"); - lf_printf(file, " }\n"); - lf_printf(file, " return 0;\n"); - lf_printf(file, "#else\n"); - } - lf_printf(file, " return spr_info[spr].%s;\n", - *attribute); - if (spreg_lookup_table) - lf_printf(file, "#endif\n"); - lf_printf(file, "}\n"); - } - - lf_printf(file, "\n"); - lf_printf(file, "#endif /* _SPREG_C_ */\n"); -} - - - -/****************************************************************/ - - -int -main(int argc, - char **argv, - char **envp) -{ - lf_file_references file_references = lf_include_references; - spreg_table *sprs = NULL; - static const struct option longopts[] = { { 0 } }; - char *real_file_name = NULL; - int is_header = 0; - int ch; - - if (argc <= 1) { - printf("Usage: dgen ...\n"); - printf("-n <file-name> Use this as cpp line numbering name\n"); - printf("-h Output header file\n"); - printf("-p <spreg-file> Output spreg.h(P) or spreg.c(p)\n"); - } - - while ((ch = getopt_long (argc, argv, "hsn:r:p:", longopts, NULL)) - != -1) - { -#if 0 /* For debugging. */ - fprintf(stderr, "\t-%c %s\n", ch, ( optarg ? optarg : "")); -#endif - switch(ch) { - case 'r': - sprs = spreg_table_load(optarg); - break; - case 'n': - real_file_name = strdup(optarg); - break; - case 'h': - is_header = 1; - break; - case 'p': - { - lf *file = lf_open(optarg, real_file_name, file_references, - (is_header ? lf_is_h : lf_is_c), - argv[0]); - if (is_header) - gen_spreg_h(sprs, file); - else - gen_spreg_c(sprs, file); - lf_close(file); - is_header = 0; - } - real_file_name = NULL; - break; - default: - error("unknown option\n"); - } - } - return 0; -} |