-/* This file is part of the program psim.
+/* The IGEN simulator generator for GDB, the GNU Debugger.
- Copyright (C) 1994-1998, Andrew Cagney <cagney@highland.com.au>
+ Copyright 2002-2020 Free Software Foundation, Inc.
- 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.
+ Contributed by Andrew Cagney.
- 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.
-
- */
+ This file is part of GDB.
+
+ 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/>. */
int nr_prefetched_words)
{
int indent;
- lf_printf(file, "\n");
+ lf_printf (file, "\n");
lf_print__function_type_function (file, print_semantic_function_type,
"EXTERN_SEMANTICS",
(is_function_definition ? "\n" : " "));
void
print_semantic_declaration (lf *file,
- insn_entry *insn,
+ insn_entry * insn,
opcode_bits *expanded_bits,
- insn_opcodes *opcodes,
- int nr_prefetched_words)
+ insn_opcodes *opcodes, int nr_prefetched_words)
{
print_semantic_function_header (file,
insn->name,
insn->format_name,
expanded_bits,
- 0/* is not function definition*/,
+ 0 /* is not function definition */ ,
nr_prefetched_words);
}
+\f
-\f
/* generate the semantics.c file */
void
-print_idecode_invalid (lf *file,
- const char *result,
- invalid_type type)
+print_idecode_invalid (lf *file, const char *result, invalid_type type)
{
const char *name;
switch (type)
{
- default: name = "unknown"; break;
- case invalid_illegal: name = "illegal"; break;
- case invalid_fp_unavailable: name = "fp_unavailable"; break;
- case invalid_wrong_slot: name = "wrong_slot"; break;
+ default:
+ name = "unknown";
+ break;
+ case invalid_illegal:
+ name = "illegal";
+ break;
+ case invalid_fp_unavailable:
+ name = "fp_unavailable";
+ break;
+ case invalid_wrong_slot:
+ name = "wrong_slot";
+ break;
}
if (options.gen.code == generate_jumps)
{
lf_printf (file, "goto %s_%s;\n",
- (options.gen.icache ? "icache" : "semantic"),
- name);
+ (options.gen.icache ? "icache" : "semantic"), name);
}
else if (options.gen.icache)
{
- lf_printf (file, "%s %sicache_%s (", result, options.module.global.prefix.l, name);
+ lf_printf (file, "%s %sicache_%s (", result,
+ options.module.global.prefix.l, name);
print_icache_function_actual (file, 0);
lf_printf (file, ");\n");
}
else
{
- lf_printf (file, "%s %ssemantic_%s (", result, options.module.global.prefix.l, name);
+ lf_printf (file, "%s %ssemantic_%s (", result,
+ options.module.global.prefix.l, name);
print_semantic_function_actual (file, 0);
lf_printf (file, ");\n");
}
void
print_semantic_body (lf *file,
- insn_entry *instruction,
- opcode_bits *expanded_bits,
- insn_opcodes *opcodes)
+ insn_entry * instruction,
+ opcode_bits *expanded_bits, insn_opcodes *opcodes)
{
/* validate the instruction, if a cache this has already been done */
if (!options.gen.icache)
{
print_idecode_validate (file, instruction, opcodes);
}
-
- print_itrace (file, instruction, 0/*put_value_in_cache*/);
-
+
+ print_itrace (file, instruction, 0 /*put_value_in_cache */ );
+
/* generate the instruction profile call - this is delayed until
after the instruction has been verified. The count macro
generated is prefixed by ITABLE_PREFIX */
print_function_name (file,
instruction->name,
instruction->format_name,
- NULL,
- NULL,
- function_name_prefix_itable);
+ NULL, NULL, function_name_prefix_itable);
lf_printf (file, ", cpu, cia);\n");
lf_indent_suppress (file);
lf_printf (file, "#endif\n");
lf_printf (file, "\n");
}
-
+
/* determine the new instruction address */
{
- lf_printf(file, "/* keep the next instruction address handy */\n");
+ lf_printf (file, "/* keep the next instruction address handy */\n");
if (options.gen.nia == nia_is_invalid)
{
- lf_printf(file, "nia = %sINVALID_INSTRUCTION_ADDRESS;\n",
- options.module.global.prefix.u);
+ lf_printf (file, "nia = %sINVALID_INSTRUCTION_ADDRESS;\n",
+ options.module.global.prefix.u);
}
else
{
lf_printf (file, "nia = cia + %d * (%d + 1); %s\n",
options.insn_bit_size / 8, nr_immeds,
"/* skip immeds as well */");
-
+
}
else
{
}
}
}
-
+
/* if conditional, generate code to verify that the instruction
should be issued */
if (filter_is_member (instruction->options, "c")
lf_indent (file, +4);
/* FIXME - need to log a conditional failure */
}
-
+
/* Architecture expects a REG to be zero. Instead of having to
check every read to see if it is refering to that REG just zap it
at the start of every instruction */
{
lf_printf (file, "\n");
lf_printf (file, "/* Architecture expects REG to be zero */\n");
- lf_printf (file, "GPR_SET(%d, 0);\n", options.gen.zero_reg_nr);
+ lf_printf (file, "GPR_CLEAR(%d);\n", options.gen.zero_reg_nr);
}
-
+
/* generate the code (or at least something */
lf_printf (file, "\n");
lf_printf (file, "/* semantics: */\n");
lf_indent (file, -indent);
lf_print__internal_ref (file);
}
-
+
/* Close off the conditional execution */
if (filter_is_member (instruction->options, "c")
|| options.gen.conditional_issue)
{
lf_indent (file, -4);
lf_printf (file, " }\n");
- }
+ }
}
static void
print_c_semantic (lf *file,
- insn_entry *instruction,
+ insn_entry * instruction,
opcode_bits *expanded_bits,
insn_opcodes *opcodes,
- cache_entry *cache_rules,
- int nr_prefetched_words)
+ cache_entry *cache_rules, int nr_prefetched_words)
{
-
+
lf_printf (file, "{\n");
lf_indent (file, +2);
-
+
print_my_defines (file,
instruction->name,
- instruction->format_name,
- expanded_bits);
+ instruction->format_name, expanded_bits);
lf_printf (file, "\n");
print_icache_body (file,
instruction,
: declare_variables),
(options.gen.icache
? get_values_from_icache
- : do_not_use_icache),
- nr_prefetched_words);
-
- lf_printf (file, "%sinstruction_address nia;\n", options.module.global.prefix.l);
- print_semantic_body (file,
- instruction,
- expanded_bits,
- opcodes);
+ : do_not_use_icache), nr_prefetched_words);
+
+ lf_printf (file, "%sinstruction_address nia;\n",
+ options.module.global.prefix.l);
+ print_semantic_body (file, instruction, expanded_bits, opcodes);
lf_printf (file, "return nia;\n");
-
+
/* generate something to clean up any #defines created for the cache */
if (options.gen.direct_access)
{
undef_variables,
(options.gen.icache
? get_values_from_icache
- : do_not_use_icache),
- nr_prefetched_words);
+ : do_not_use_icache), nr_prefetched_words);
}
-
+
lf_indent (file, -2);
lf_printf (file, "}\n");
}
static void
print_c_semantic_function (lf *file,
- insn_entry *instruction,
+ insn_entry * instruction,
opcode_bits *expanded_bits,
insn_opcodes *opcodes,
- cache_entry *cache_rules,
- int nr_prefetched_words)
+ cache_entry *cache_rules, int nr_prefetched_words)
{
/* build the semantic routine to execute the instruction */
print_semantic_function_header (file,
instruction->name,
instruction->format_name,
expanded_bits,
- 1/*is-function-definition*/,
+ 1 /*is-function-definition */ ,
nr_prefetched_words);
print_c_semantic (file,
instruction,
- expanded_bits,
- opcodes,
- cache_rules,
- nr_prefetched_words);
+ expanded_bits, opcodes, cache_rules, nr_prefetched_words);
}
void
print_semantic_definition (lf *file,
- insn_entry *insn,
+ insn_entry * insn,
opcode_bits *expanded_bits,
insn_opcodes *opcodes,
- cache_entry *cache_rules,
- int nr_prefetched_words)
+ cache_entry *cache_rules, int nr_prefetched_words)
{
print_c_semantic_function (file,
insn,
expanded_bits,
- opcodes,
- cache_rules,
- nr_prefetched_words);
+ opcodes, cache_rules, nr_prefetched_words);
}
-
-
projects / deliverable / binutils-gdb.git / blobdiff