Example #1
0
static void
print_c_semantic (lf *file,
		  insn_entry * instruction,
		  opcode_bits *expanded_bits,
		  insn_opcodes *opcodes,
		  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);
  lf_printf (file, "\n");
  print_icache_body (file,
		     instruction,
		     expanded_bits,
		     cache_rules,
		     (options.gen.direct_access
		      ? define_variables
		      : 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);
  lf_printf (file, "return nia;\n");

  /* generate something to clean up any #defines created for the cache */
  if (options.gen.direct_access)
    {
      print_icache_body (file,
			 instruction,
			 expanded_bits,
			 cache_rules,
			 undef_variables,
			 (options.gen.icache
			  ? get_values_from_icache
			  : do_not_use_icache), nr_prefetched_words);
    }

  lf_indent (file, -2);
  lf_printf (file, "}\n");
}
static void
print_c_semantic(lf *file,
		 insn *instruction,
		 insn_bits *expanded_bits,
		 opcode_field *opcodes,
		 cache_table *cache_rules)
{

  lf_printf(file, "{\n");
  lf_indent(file, +2);

  print_my_defines(file, expanded_bits, instruction->file_entry);
  lf_printf(file, "\n");
  print_icache_body(file,
		    instruction,
		    expanded_bits,
		    cache_rules,
		    ((code & generate_with_direct_access)
		     ? define_variables
		     : declare_variables),
		    ((code & generate_with_icache)
		     ? get_values_from_icache
		     : do_not_use_icache));

  lf_printf(file, "unsigned_word nia;\n");
  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 (code & generate_with_direct_access)
    print_icache_body(file,
		      instruction,
		      expanded_bits,
		      cache_rules,
		      undef_variables,
		      ((code & generate_with_icache)
		       ? get_values_from_icache
		       : do_not_use_icache));

  lf_indent(file, -2);
  lf_printf(file, "}\n");
}
Example #3
0
static void
print_icache_function(lf *file,
		      insn *instruction,
		      insn_bits *expanded_bits,
		      opcode_field *opcodes,
		      cache_table *cache_rules)
{
  int indent;

  /* generate code to enter decoded instruction into the icache */
  lf_printf(file, "\n");
  lf_print_function_type(file, ICACHE_FUNCTION_TYPE, "EXTERN_ICACHE", "\n");
  indent = print_function_name(file,
			       instruction->file_entry->fields[insn_name],
			       expanded_bits,
			       function_name_prefix_icache);
  lf_indent(file, +indent);
  lf_printf(file, "(%s)\n", ICACHE_FUNCTION_FORMAL);
  lf_indent(file, -indent);
  
  /* function header */
  lf_printf(file, "{\n");
  lf_indent(file, +2);
  
  print_my_defines(file, expanded_bits, instruction->file_entry);
  print_itrace(file, instruction->file_entry, 1/*putting-value-in-cache*/);
  
  print_idecode_validate(file, instruction, opcodes);
  
  lf_printf(file, "\n");
  lf_printf(file, "{\n");
  lf_indent(file, +2);
  if ((code & generate_with_semantic_icache))
    lf_printf(file, "unsigned_word nia;\n");
  print_icache_body(file,
		    instruction,
		    expanded_bits,
		    cache_rules,
		    ((code & generate_with_direct_access)
		     ? define_variables
		     : declare_variables),
		    ((code & generate_with_semantic_icache)
		     ? both_values_and_icache
		     : put_values_in_icache));
  
  lf_printf(file, "\n");
  lf_printf(file, "cache_entry->address = cia;\n");
  lf_printf(file, "cache_entry->semantic = ");
  print_function_name(file,
		      instruction->file_entry->fields[insn_name],
		      expanded_bits,
		      function_name_prefix_semantics);
  lf_printf(file, ";\n");
  lf_printf(file, "\n");

  if ((code & generate_with_semantic_icache)) {
    lf_printf(file, "/* semantic routine */\n");
    print_semantic_body(file,
			instruction,
			expanded_bits,
			opcodes);
    lf_printf(file, "return nia;\n");
  }
  
  if (!(code & generate_with_semantic_icache)) {
    lf_printf(file, "/* return the function proper */\n");
    lf_printf(file, "return ");
    print_function_name(file,
			instruction->file_entry->fields[insn_name],
			expanded_bits,
			function_name_prefix_semantics);
    lf_printf(file, ";\n");
  }
  
  if ((code & generate_with_direct_access))
    print_icache_body(file,
		      instruction,
		      expanded_bits,
		      cache_rules,
		      undef_variables,
		      ((code & generate_with_semantic_icache)
		       ? both_values_and_icache
		       : put_values_in_icache));

  lf_indent(file, -2);
  lf_printf(file, "}\n");
  lf_indent(file, -2);
  lf_printf(file, "}\n");
}
Example #4
0
File: gen-icache.c Project: 5kg/gdb
static void
print_icache_function (lf *file,
		       insn_entry * instruction,
		       opcode_bits *expanded_bits,
		       insn_opcodes *opcodes,
		       cache_entry *cache_rules, int nr_prefetched_words)
{
  int indent;

  /* generate code to enter decoded instruction into the icache */
  lf_printf (file, "\n");
  lf_print__function_type_function (file, print_icache_function_type,
				    "EXTERN_ICACHE", "\n");
  indent = print_function_name (file,
				instruction->name,
				instruction->format_name,
				NULL,
				expanded_bits, function_name_prefix_icache);
  indent += lf_printf (file, " ");
  lf_indent (file, +indent);
  lf_printf (file, "(");
  print_icache_function_formal (file, nr_prefetched_words);
  lf_printf (file, ")\n");
  lf_indent (file, -indent);

  /* function header */
  lf_printf (file, "{\n");
  lf_indent (file, +2);

  print_my_defines (file,
		    instruction->name,
		    instruction->format_name, expanded_bits);
  print_itrace (file, instruction, 1 /*putting-value-in-cache */ );

  print_idecode_validate (file, instruction, opcodes);

  lf_printf (file, "\n");
  lf_printf (file, "{\n");
  lf_indent (file, +2);
  if (options.gen.semantic_icache)
    lf_printf (file, "unsigned_word nia;\n");
  print_icache_body (file,
		     instruction,
		     expanded_bits,
		     cache_rules,
		     (options.gen.direct_access
		      ? define_variables
		      : declare_variables),
		     (options.gen.semantic_icache
		      ? both_values_and_icache
		      : put_values_in_icache), nr_prefetched_words);

  lf_printf (file, "\n");
  lf_printf (file, "cache_entry->address = cia;\n");
  lf_printf (file, "cache_entry->semantic = ");
  print_function_name (file,
		       instruction->name,
		       instruction->format_name,
		       NULL, expanded_bits, function_name_prefix_semantics);
  lf_printf (file, ";\n");
  lf_printf (file, "\n");

  if (options.gen.semantic_icache)
    {
      lf_printf (file, "/* semantic routine */\n");
      print_semantic_body (file, instruction, expanded_bits, opcodes);
      lf_printf (file, "return nia;\n");
    }

  if (!options.gen.semantic_icache)
    {
      lf_printf (file, "/* return the function proper */\n");
      lf_printf (file, "return ");
      print_function_name (file,
			   instruction->name,
			   instruction->format_name,
			   NULL,
			   expanded_bits, function_name_prefix_semantics);
      lf_printf (file, ";\n");
    }

  if (options.gen.direct_access)
    {
      print_icache_body (file,
			 instruction,
			 expanded_bits,
			 cache_rules,
			 undef_variables,
			 (options.gen.semantic_icache
			  ? both_values_and_icache
			  : put_values_in_icache), nr_prefetched_words);
    }

  lf_indent (file, -2);
  lf_printf (file, "}\n");
  lf_indent (file, -2);
  lf_printf (file, "}\n");
}