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-rw-r--r--sim/igen/gen-itable.c246
1 files changed, 246 insertions, 0 deletions
diff --git a/sim/igen/gen-itable.c b/sim/igen/gen-itable.c
new file mode 100644
index 0000000..735412e
--- /dev/null
+++ b/sim/igen/gen-itable.c
@@ -0,0 +1,246 @@
+/* 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 2 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, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+ */
+
+
+
+#include "misc.h"
+#include "lf.h"
+#include "table.h"
+#include "filter.h"
+#include "igen.h"
+
+#include "ld-insn.h"
+#include "ld-decode.h"
+
+#include "gen.h"
+
+#include "gen-itable.h"
+
+#ifndef NULL
+#define NULL 0
+#endif
+
+
+
+static void
+itable_h_insn (lf *file,
+ insn_table *entry,
+ insn_entry *instruction,
+ void *data)
+{
+ lf_print__line_ref (file, instruction->line);
+ lf_printf (file, " ");
+ print_function_name (file,
+ instruction->name,
+ instruction->format_name,
+ NULL,
+ NULL,
+ function_name_prefix_itable);
+ lf_printf (file, ",\n");
+}
+
+
+/* print the list of all the different options */
+
+static void
+itable_print_enum (lf *file,
+ filter *set,
+ char *name)
+{
+ char *elem;
+ lf_printf (file, "typedef enum {\n");
+ lf_indent (file, +2);
+ for (elem = filter_next (set, "");
+ elem != NULL;
+ elem = filter_next (set, elem))
+ {
+ lf_printf (file, "%sitable_%s_%s,\n",
+ options.prefix.itable.name, name, elem);
+ if (strlen (options.prefix.itable.name) > 0)
+ {
+ lf_indent_suppress (file);
+ lf_printf (file, "#define itable_%s_%s %sitable_%s_%s\n",
+ name, elem, options.prefix.itable.name, name, elem);
+ }
+ }
+ lf_printf (file, "nr_%sitable_%ss,", options.prefix.itable.name, name);
+
+ lf_indent (file, -2);
+ lf_printf (file, "\n} %sitable_%ss;\n", options.prefix.itable.name, name);
+ if (strlen (options.prefix.itable.name) > 0)
+ {
+ lf_indent_suppress (file);
+ lf_printf (file, "#define itable_%ss %sitable_%ss\n",
+ name, options.prefix.itable.name, name);
+ lf_indent_suppress (file);
+ lf_printf (file, "#define nr_itable_%ss nr_%sitable_%ss\n",
+ name, options.prefix.itable.name, name);
+ }
+ lf_printf (file, "\n");
+}
+
+extern void
+gen_itable_h (lf *file,
+ insn_table *isa)
+{
+
+ /* output an enumerated type for each instruction */
+ lf_printf (file, "typedef enum {\n");
+ insn_table_traverse_insn (file, isa, itable_h_insn, NULL);
+ lf_printf (file, " nr_%sitable_entries,\n", options.prefix.itable.name);
+ lf_printf (file, "} %sitable_index;\n", options.prefix.itable.name);
+ lf_printf (file, "\n");
+
+ /* output an enumeration type for each flag */
+ itable_print_enum (file, isa->flags, "flag");
+
+ /* output an enumeration of all the possible options */
+ itable_print_enum (file, isa->options, "option");
+
+ /* output an enumeration of all the processor models */
+ itable_print_enum (file, isa->model->processors, "processor");
+
+ /* output the table that contains the actual instruction info */
+ lf_printf (file, "typedef struct _%sitable_instruction_info {\n",
+ options.prefix.itable.name);
+ lf_printf (file, " %sitable_index nr;\n", options.prefix.itable.name);
+ lf_printf (file, " char *format;\n");
+ lf_printf (file, " char *form;\n");
+ lf_printf (file, " char *flags;\n");
+ lf_printf (file, " char flag[nr_%sitable_flags];\n",
+ options.prefix.itable.name);
+ lf_printf (file, " char *options;\n");
+ lf_printf (file, " char option[nr_%sitable_options];\n",
+ options.prefix.itable.name);
+ lf_printf (file, " char *processors;\n");
+ lf_printf (file, " char processor[nr_%sitable_processors];\n",
+ options.prefix.itable.name);
+ lf_printf (file, " char *name;\n");
+ lf_printf (file, " char *file;\n");
+ lf_printf (file, " int line_nr;\n");
+ lf_printf (file, "} %sitable_info;\n", options.prefix.itable.name);
+ lf_printf (file, "\n");
+ lf_printf (file, "extern %sitable_info %sitable[nr_%sitable_entries];\n",
+ options.prefix.itable.name, options.prefix.itable.name,
+ options.prefix.itable.name);
+ if (strlen (options.prefix.itable.name) > 0)
+ {
+ lf_indent_suppress (file);
+ lf_printf (file, "#define itable %sitable\n",
+ options.prefix.itable.name);
+ }
+}
+
+
+/****************************************************************/
+
+static void
+itable_print_set (lf *file,
+ filter *set,
+ filter *members)
+{
+ char *elem;
+ lf_printf (file, "\"");
+ elem = filter_next (members, "");
+ if (elem != NULL)
+ {
+ while (1)
+ {
+ lf_printf (file, "%s", elem);
+ elem = filter_next (members, elem);
+ if (elem == NULL)
+ break;
+ lf_printf (file, ",");
+ }
+ }
+ lf_printf (file, "\",\n");
+
+ lf_printf(file, "{");
+ for (elem = filter_next (set, "");
+ elem != NULL;
+ elem = filter_next (set, elem))
+ {
+ if (filter_is_member (members, elem))
+ {
+ lf_printf (file, " 1,");
+ }
+ else
+ {
+ lf_printf (file, " 0,");
+ }
+
+ }
+ lf_printf(file, " },\n");
+}
+
+
+static void
+itable_c_insn (lf *file,
+ insn_table *isa,
+ insn_entry *instruction,
+ void *data)
+{
+ lf_printf (file, "{ ");
+ lf_indent (file, +2);
+ print_function_name (file,
+ instruction->name,
+ instruction->format_name,
+ NULL,
+ NULL,
+ function_name_prefix_itable);
+ lf_printf (file, ",\n");
+ lf_printf (file, "\"");
+ print_insn_words (file, instruction);
+ lf_printf (file, "\",\n");
+ lf_printf (file, "\"%s\",\n", instruction->format_name);
+
+ itable_print_set (file, isa->flags, instruction->flags);
+ itable_print_set (file, isa->options, instruction->options);
+ itable_print_set (file, isa->model->processors, instruction->processors);
+
+ lf_printf(file, "\"%s\",\n", instruction->name);
+ lf_printf(file, "\"%s\",\n",
+ filter_filename (instruction->line->file_name));
+ lf_printf(file, "%d,\n", instruction->line->line_nr);
+ lf_printf(file, "},\n");
+ lf_indent (file, -2);
+}
+
+
+extern void
+gen_itable_c (lf *file,
+ insn_table *isa)
+{
+ /* leader */
+ lf_printf(file, "#include \"%sitable.h\"\n", options.prefix.itable.name);
+ lf_printf(file, "\n");
+
+ /* FIXME - output model data??? */
+ /* FIXME - output assembler data??? */
+
+ /* output the table that contains the actual instruction info */
+ lf_printf(file, "%sitable_info %sitable[nr_%sitable_entries] = {\n",
+ options.prefix.itable.name,
+ options.prefix.itable.name,
+ options.prefix.itable.name);
+ insn_table_traverse_insn (file, isa, itable_c_insn, NULL);
+
+ lf_printf(file, "};\n");
+}
generated by cgit v1.1 at 2024-12-03 01:29:25 +0000