igen: Fix SMP simulator generator support.

Use the bfd-processor name in the sim-engine switch.
	Add nr_cpus argument to sim_engine_run.
tic80, v850, d30v, mips, common:
	Update
mips:	Fill in bfd-processor field of model records so that
	they match ../bfd/archures.
This commit is contained in:
Andrew Cagney 1998-01-31 06:23:41 +00:00
parent 5266a484f4
commit 9ec6741b17
11 changed files with 977 additions and 39 deletions

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@ -1,3 +1,21 @@
Fri Jan 30 09:36:33 1998 Andrew Cagney <cagney@b1.cygnus.com>
* sim-engine.h (sim_engine_run): Add argument nr_cpus.
* sim-run.c (sim_engine_run): Update.
* sim-engine.h (SIM_ENGINE_HALT_HOOK): Use SET_CPU_CIA instead of
CPU_CIA.
* sim-run.c (sim_engine_run): Ditto.
* sim-resume.c (sim_resume): Obtain nr_cpus from sim_engine.
(sim_resume): Pass nr_cpus to sim_engine_run.
* sim-engine.h (struct _sim_engine): Add member nr_cpus.
* sim-engine.c (sim_engine_init): Hardwire nr_cpus to
MAX_NR_PROCESSORS.
(sim_engine_nr_cpus) sim-engine.c, sim-engine.h: New function
Thu Jan 29 12:13:01 1998 Doug Evans <devans@canuck.cygnus.com>
* cgen.sh: Portably read parms past $9.

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@ -1,3 +1,30 @@
Sat Jan 31 14:50:27 1998 Andrew Cagney <cagney@b1.cygnus.com>
* gen-engine.c (print_run_body): Use CIA_GET & CIA_SET instead of
CPU_CIA. Parameterize with CPU argument.
Fri Jan 30 09:09:39 1998 Andrew Cagney <cagney@b1.cygnus.com>
* gen.h (struct _gen_list): Replace processor with model.
* igen.c (gen_idecode_h): Update.
(gen_run_c): For generated switch, use model->full_name.
* gen.c (print_gen_entry_path): Ditto.
(make_table): Ditto.
(gen_entry_expand_insns): Ditto.
(make_gen_tables): Ditto.
* igen.c (gen_run_c): Add extra argument `nr_cpus' to generated
function sim_engine_run. Pass argument on to engine_run.
* gen-engine.c (print_engine_run_function_header): Add extra
argument `nr_cpus' to generated function engine_run.
(print_run_body): Fix SMP case.
* gen-support.c (support_c_function): Call sim_engine_abort when
internal function fails to long jump.
Wed Jan 21 18:00:22 1998 Andrew Cagney <cagney@b1.cygnus.com>
* gen-semantics.c (print_semantic_body): Use GPR_SET to zero

785
sim/igen/gen-engine.c Normal file
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@ -0,0 +1,785 @@
/* This file is part of the program psim.
Copyright (C) 1994-1997, 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-idecode.h"
#include "gen-engine.h"
#include "gen-icache.h"
#include "gen-semantics.h"
static void
print_run_body (lf *file,
gen_entry *table)
{
/* Output the function to execute real code:
Unfortunatly, there are multiple cases to consider vis:
<icache> X <smp>
Consequently this function is written in multiple different ways */
lf_printf (file, "{\n");
lf_indent (file, +2);
if (!options.gen.smp)
{
lf_printf (file, "instruction_address cia;\n");
}
lf_printf (file, "int current_cpu = next_cpu_nr;\n");
if (options.gen.icache)
{
lf_printf (file, "/* flush the icache of a possible break insn */\n");
lf_printf (file, "{\n");
lf_printf (file, " int cpu_nr;\n");
lf_printf (file, " for (cpu_nr = 0; cpu_nr < nr_cpus; cpu_nr++)\n");
lf_printf (file, " cpu_flush_icache (STATE_CPU (sd, cpu_nr));\n");
lf_printf (file, "}\n");
}
if (!options.gen.smp)
{
lf_putstr (file, "
/* CASE 1: NO SMP (with or with out instruction cache).
In this case, we can take advantage of the fact that the current
instruction address (CIA) does not need to be read from / written to
the CPU object after the execution of an instruction.
Instead, CIA is only saved when the main loop exits. This occures
when either sim_engine_halt or sim_engine_restart is called. Both of
these functions save the current instruction address before halting /
restarting the simulator.
As a variation, there may also be support for an instruction cracking
cache. */
");
lf_putstr (file, "\n");
lf_putstr (file, "/* prime the main loop */\n");
lf_putstr (file, "SIM_ASSERT (current_cpu == 0);\n");
lf_putstr (file, "SIM_ASSERT (nr_cpus == 1);\n");
lf_putstr (file, "cia = CIA_GET (CPU);\n");
lf_putstr (file, "\n");
lf_putstr (file, "while (1)\n");
lf_putstr (file, " {\n");
lf_indent (file, +4);
lf_printf (file, "%sinstruction_address nia;\n",
options.prefix.global.name);
lf_printf (file, "\n");
if (!options.gen.icache)
{
lf_printf (file, "%sinstruction_word instruction_0 = IMEM (cia);\n",
options.prefix.global.name);
lf_printf (file, "\n");
lf_indent_suppress (file);
lf_printf (file, "#if defined (%sENGINE_ISSUE_PREFIX_HOOK)\n",
options.prefix.global.name);
lf_printf (file, "%sENGINE_ISSUE_PREFIX_HOOK();\n",
options.prefix.global.name);
lf_indent_suppress (file);
lf_printf (file, "#endif\n");
lf_printf (file, "\n");
print_idecode_body (file, table, "nia = ");
lf_printf (file, "\n");
lf_indent_suppress (file);
lf_printf (file, "#if defined (%sENGINE_ISSUE_POSTFIX_HOOK)\n",
options.prefix.global.name);
lf_printf (file, "%sENGINE_ISSUE_POSTFIX_HOOK();\n",
options.prefix.global.name);
lf_indent_suppress (file);
lf_printf (file, "#endif\n");
lf_printf (file, "\n");
}
else
{
lf_putstr (file, "idecode_cache *cache_entry =\n");
lf_putstr (file, " cpu_icache_entry (cpu, cia);\n");
lf_putstr (file, "if (cache_entry->address == cia)\n");
lf_putstr (file, " {\n");
lf_indent (file, -4);
lf_putstr (file, "/* cache hit */\n");
lf_putstr (file, "idecode_semantic *const semantic = cache_entry->semantic;\n");
lf_putstr (file, "cia = semantic (cpu, cache_entry, cia);\n");
/* tail */
lf_indent (file, -4);
lf_putstr (file, " }\n");
lf_putstr (file, "else\n");
lf_putstr (file, " {\n");
lf_indent (file, +4);
lf_putstr (file, "/* cache miss */\n");
if (!options.gen.semantic_icache)
{
lf_putstr (file, "idecode_semantic *semantic;\n");
}
lf_putstr (file, "instruction_word instruction = IMEM (cia);\n");
lf_putstr (file, "if (WITH_MON != 0)\n");
lf_putstr (file, " mon_event (mon_event_icache_miss, cpu, cia);\n");
if (options.gen.semantic_icache)
{
lf_putstr (file, "{\n");
lf_indent (file, +2);
print_idecode_body (file, table, "nia =");
lf_indent (file, -2);
lf_putstr (file, "}\n");
}
else
{
print_idecode_body (file, table, "semantic =");
lf_putstr (file, "nia = semantic (cpu, cache_entry, cia);\n");
}
lf_indent (file, -4);
lf_putstr (file, " }\n");
}
/* update the cpu if necessary */
switch (options.gen.nia)
{
case nia_is_cia_plus_one:
lf_printf (file, "\n");
lf_printf (file, "/* Update the instruction address */\n");
lf_printf (file, "cia = nia;\n");
break;
case nia_is_void:
case nia_is_invalid:
ERROR ("engine gen when NIA complex");
}
/* events */
lf_putstr (file, "\n");
lf_putstr (file, "/* process any events */\n");
lf_putstr (file, "if (sim_events_tick (sd))\n");
lf_putstr (file, " {\n");
lf_putstr (file, " CIA_SET (CPU, cia);\n");
lf_putstr (file, " sim_events_process (sd);\n");
lf_putstr (file, " }\n");
lf_indent (file, -4);
lf_printf (file, " }\n");
}
if (options.gen.smp)
{
lf_putstr (file, "
/* CASE 2: SMP (With or without ICACHE)
The complexity here comes from needing to correctly halt the simulator
when it is aborted. For instance, if cpu0 requests a restart then
cpu1 will normally be the next cpu that is run. Cpu0 being restarted
after all the other CPU's and the event queue have been processed */
");
lf_putstr (file, "\n");
lf_printf (file, "/* have ensured that the event queue is current */\n");
lf_printf (file, "SIM_ASSERT (current_cpu >= 0);\n");
lf_printf (file, "SIM_ASSERT (current_cpu < nr_cpus - 1);\n");
lf_printf (file, "SIM_ASSERT (nr_cpus <= MAX_NR_PROCESSORS);\n");
lf_putstr (file, "\n");
lf_putstr (file, "while (1)\n");
lf_putstr (file, " {\n");
lf_indent (file, +4);
lf_putstr (file, "\n");
lf_putstr (file, "current_cpu += 1;\n");
lf_putstr (file, "if (current_cpu == nr_cpus)\n");
lf_putstr (file, " {\n");
lf_putstr (file, " if (sim_events_tick (sd))\n");
lf_putstr (file, " {\n");
lf_putstr (file, " sim_events_process (sd);\n");
lf_putstr (file, " }\n");
lf_putstr (file, " current_cpu = 0;\n");
lf_putstr (file, " }\n");
lf_putstr (file, "\n");
lf_putstr (file, "{\n");
lf_indent (file, +2);
lf_putstr (file, "sim_cpu *cpu = STATE_CPU (sd, current_cpu);\n");
lf_putstr (file, "instruction_address cia = CIA_GET (cpu);\n");
if (!options.gen.icache)
{
lf_putstr (file, "instruction_word instruction_0 = IMEM (cia);\n");
print_idecode_body (file, table, "cia =");
lf_putstr (file, "CIA_SET (cpu, cia);\n");
}
if (options.gen.icache)
{
lf_putstr (file, "engine_cache *cache_entry =\n");
lf_putstr (file, " cpu_icache_entry(processor, cia);\n");
lf_putstr (file, "\n");
lf_putstr (file, "if (cache_entry->address == cia) {\n");
{
lf_indent (file, +2);
lf_putstr (file, "\n");
lf_putstr (file, "/* cache hit */\n");
lf_putstr (file, "engine_semantic *semantic = cache_entry->semantic;\n");
lf_putstr (file, "cia = semantic(processor, cache_entry, cia);\n");
/* tail */
lf_putstr (file, "cpu_set_program_counter(processor, cia);\n");
lf_putstr (file, "\n");
lf_indent (file, -2);
}
lf_putstr (file, "}\n");
lf_putstr (file, "else {\n");
{
lf_indent (file, +2);
lf_putstr (file, "\n");
lf_putstr (file, "/* cache miss */\n");
if (!options.gen.semantic_icache)
{
lf_putstr (file, "engine_semantic *semantic;\n");
}
lf_putstr (file, "instruction_word instruction = IMEM (cia);\n");
lf_putstr (file, "if (WITH_MON != 0)\n");
lf_putstr (file, " mon_event(mon_event_icache_miss, processors[current_cpu], cia);\n");
if (options.gen.semantic_icache)
{
lf_putstr (file, "{\n");
lf_indent (file, +2);
print_idecode_body(file, table, "cia =");
lf_indent (file, -2);
lf_putstr (file, "}\n");
}
else
{
print_idecode_body(file, table, "semantic = ");
lf_putstr (file, "cia = semantic(processor, cache_entry, cia);\n");
}
/* tail */
lf_putstr (file, "cpu_set_program_counter(processor, cia);\n");
lf_putstr (file, "\n");
lf_indent (file, -2);
}
lf_putstr (file, "}\n");
}
/* close */
lf_indent (file, -2);
lf_putstr (file, "}\n");
/* tail */
lf_indent (file, -4);
lf_putstr (file, " }\n");
}
lf_indent (file, -2);
lf_putstr (file, "}\n");
}
/****************************************************************/
#if 0
static void
print_jump (lf *file,
int is_tail)
{
if (!options.gen.smp)
{
lf_putstr (file, "if (event_queue_tick (sd))\n");
lf_putstr (file, " {\n");
lf_putstr (file, " CPU_CIA (processor) = nia;\n");
lf_putstr (file, " sim_events_process (sd);\n");
lf_putstr (file, " }\n");
lf_putstr (file, "}\n");
}
if (options.gen.smp)
{
if (is_tail)
lf_putstr (file, "cpu_set_program_counter(processor, nia);\n");
lf_putstr (file, "current_cpu += 1;\n");
lf_putstr (file, "if (current_cpu >= nr_cpus)\n");
lf_putstr (file, " {\n");
lf_putstr (file, " if (sim_events_tick (sd))\n");
lf_putstr (file, " {\n");
lf_putstr (file, " sim_events_process (sd);\n");
lf_putstr (file, " }\n");
lf_putstr (file, " current_cpu = 0;\n");
lf_putstr (file, " }\n");
lf_putstr (file, "processor = processors[current_cpu];\n");
lf_putstr (file, "nia = cpu_get_program_counter(processor);\n");
}
if (options.gen.icache)
{
lf_putstr (file, "cache_entry = cpu_icache_entry(processor, nia);\n");
lf_putstr (file, "if (cache_entry->address == nia) {\n");
lf_putstr (file, " /* cache hit */\n");
lf_putstr (file, " goto *cache_entry->semantic;\n");
lf_putstr (file, "}\n");
if (is_tail) {
lf_putstr (file, "goto cache_miss;\n");
}
}
if (!options.gen.icache && is_tail)
{
lf_printf (file, "goto engine;\n");
}
}
#endif
#if 0
static void
print_jump_insn (lf *file,
insn_entry *instruction,
opcode_bits *expanded_bits,
opcode_field *opcodes,
cache_entry *cache_rules)
{
insn_opcodes opcode_path;
memset (&opcode_path, 0, sizeof (opcode_path));
opcode_path.opcode = opcodes;
/* what we are for the moment */
lf_printf (file, "\n");
print_my_defines (file,
instruction->name,
instruction->format_name,
expanded_bits);
/* output the icache entry */
if (options.gen.icache)
{
lf_printf (file, "\n");
lf_indent (file, -1);
print_function_name (file,
instruction->name,
instruction->format_name,
NULL,
expanded_bits,
function_name_prefix_icache);
lf_printf (file, ":\n");
lf_indent (file, +1);
lf_printf (file, "{\n");
lf_indent (file, +2);
lf_putstr (file, "const unsigned_word cia = nia;\n");
print_itrace (file, instruction, 1/*putting-value-in-cache*/);
print_idecode_validate (file, instruction, &opcode_path);
lf_printf (file, "\n");
lf_printf (file, "{\n");
lf_indent (file, +2);
print_icache_body (file,
instruction,
expanded_bits,
cache_rules,
0, /*use_defines*/
put_values_in_icache);
lf_printf (file, "cache_entry->address = nia;\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");
if (options.gen.semantic_icache)
{
print_semantic_body (file,
instruction,
expanded_bits,
&opcode_path);
print_jump(file, 1/*is-tail*/);
}
else
{
lf_printf (file, "/* goto ");
print_function_name (file,
instruction->name,
instruction->format_name,
NULL,
expanded_bits,
function_name_prefix_semantics);
lf_printf (file, "; */\n");
}
lf_indent (file, -2);
lf_putstr (file, "}\n");
lf_indent (file, -2);
lf_printf (file, "}\n");
}
/* print the semantics */
lf_printf (file, "\n");
lf_indent (file, -1);
print_function_name (file,
instruction->name,
instruction->format_name,
NULL,
expanded_bits,
function_name_prefix_semantics);
lf_printf (file, ":\n");
lf_indent (file, +1);
lf_printf (file, "{\n");
lf_indent (file, +2);
lf_putstr (file, "const unsigned_word cia = nia;\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));
print_semantic_body (file,
instruction,
expanded_bits,
&opcode_path);
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));
print_jump(file, 1/*is tail*/);
lf_indent (file, -2);
lf_printf (file, "}\n");
}
#endif
#if 0
static void
print_jump_definition (lf *file,
gen_entry *entry,
int depth,
void *data)
{
cache_entry *cache_rules = (cache_entry*)data;
if (entry->opcode_rule->with_duplicates)
{
ASSERT (entry->nr_insns == 1
&& entry->opcode == NULL
&& entry->parent != NULL
&& entry->parent->opcode != NULL);
ASSERT (entry->nr_insns == 1
&& entry->opcode == NULL
&& entry->parent != NULL
&& entry->parent->opcode != NULL
&& entry->parent->opcode_rule != NULL);
print_jump_insn (file,
entry->insns->insn,
entry->expanded_bits,
entry->opcode,
cache_rules);
}
else
{
print_jump_insn (file,
entry->insns->insn,
NULL,
NULL,
cache_rules);
}
}
#endif
#if 0
static void
print_jump_internal_function (lf *file,
function_entry *function,
void *data)
{
if (function->is_internal)
{
lf_printf (file, "\n");
lf_print__line_ref (file, function->line);
lf_indent (file, -1);
print_function_name (file,
function->name,
NULL,
NULL,
NULL,
(options.gen.icache
? function_name_prefix_icache
: function_name_prefix_semantics));
lf_printf (file, ":\n");
lf_indent (file, +1);
lf_printf (file, "{\n");
lf_indent (file, +2);
lf_printf (file, "const unsigned_word cia = nia;\n");
table_print_code (file, function->code);
lf_print__internal_ref (file);
lf_printf (file, "error(\"Internal function must longjump\\n\");\n");
lf_indent (file, -2);
lf_printf (file, "}\n");
}
}
#endif
#if 0
static void
print_jump_body (lf *file,
gen_entry *entry,
insn_table *isa,
cache_entry *cache_rules)
{
lf_printf (file, "{\n");
lf_indent (file, +2);
lf_putstr (file, "jmp_buf halt;\n");
lf_putstr (file, "jmp_buf restart;\n");
lf_putstr (file, "cpu *processor = NULL;\n");
lf_putstr (file, "unsigned_word nia = -1;\n");
lf_putstr (file, "instruction_word instruction = 0;\n");
if (options.gen.icache)
{
lf_putstr (file, "engine_cache *cache_entry = NULL;\n");
}
if (options.gen.smp)
{
lf_putstr (file, "int current_cpu = -1;\n");
}
/* all the switches and tables - they know about jumping */
print_idecode_lookups (file, entry, cache_rules);
/* start the simulation up */
if (options.gen.icache)
{
lf_putstr (file, "\n");
lf_putstr (file, "{\n");
lf_putstr (file, " int cpu_nr;\n");
lf_putstr (file, " for (cpu_nr = 0; cpu_nr < nr_cpus; cpu_nr++)\n");
lf_putstr (file, " cpu_flush_icache(processors[cpu_nr]);\n");
lf_putstr (file, "}\n");
}
lf_putstr (file, "\n");
lf_putstr (file, "psim_set_halt_and_restart(system, &halt, &restart);\n");
lf_putstr (file, "\n");
lf_putstr (file, "if (setjmp(halt))\n");
lf_putstr (file, " return;\n");
lf_putstr (file, "\n");
lf_putstr (file, "setjmp(restart);\n");
lf_putstr (file, "\n");
if (!options.gen.smp)
{
lf_putstr (file, "processor = processors[0];\n");
lf_putstr (file, "nia = cpu_get_program_counter(processor);\n");
}
else
{
lf_putstr (file, "current_cpu = psim_last_cpu(system);\n");
}
if (!options.gen.icache)
{
lf_printf (file, "\n");
lf_indent (file, -1);
lf_printf (file, "engine:\n");
lf_indent (file, +1);
}
print_jump(file, 0/*is_tail*/);
if (options.gen.icache)
{
lf_indent (file, -1);
lf_printf (file, "cache_miss:\n");
lf_indent (file, +1);
}
lf_putstr (file, "instruction\n");
lf_putstr (file, " = vm_instruction_map_read(cpu_instruction_map(processor),\n");
lf_putstr (file, " processor, nia);\n");
print_idecode_body (file, entry, "/*IGORE*/");
/* print out a table of all the internals functions */
function_entry_traverse (file, isa->functions,
print_jump_internal_function,
NULL);
/* print out a table of all the instructions */
ERROR ("Use the list of semantic functions, not travere_tree");
gen_entry_traverse_tree (file, entry,
1,
NULL, /* start */
print_jump_definition, /* leaf */
NULL, /* end */
cache_rules);
lf_indent (file, -2);
lf_printf (file, "}\n");
}
#endif
/****************************************************************/
void
print_engine_run_function_header (lf *file,
char *processor,
function_decl_type decl_type)
{
int indent;
lf_printf (file, "\n");
switch (decl_type)
{
case is_function_declaration:
lf_print__function_type (file, "void", "INLINE_ENGINE", "\n");
break;
case is_function_definition:
lf_print__function_type (file, "void", "INLINE_ENGINE", " ");
break;
case is_function_variable:
lf_printf (file, "void (*");
break;
}
indent = print_function_name (file,
"run",
NULL, /* format name */
processor,
NULL, /* expanded bits */
function_name_prefix_engine);
switch (decl_type)
{
case is_function_definition:
lf_putstr (file, "\n(");
indent = 1;
break;
case is_function_declaration:
indent += lf_printf (file, " (");
break;
case is_function_variable:
lf_putstr (file, ")\n(");
indent = 1;
break;
}
lf_indent (file, +indent);
lf_printf (file, "SIM_DESC sd,\n");
lf_printf (file, "int next_cpu_nr,\n");
lf_printf (file, "int nr_cpus,\n");
lf_printf (file, "int siggnal)");
lf_indent (file, -indent);
switch (decl_type)
{
case is_function_definition:
lf_putstr (file, "\n");
break;
case is_function_variable:
case is_function_declaration:
lf_putstr (file, ";\n");
break;
}
}
void
gen_engine_h (lf *file,
gen_table *gen,
insn_table *isa,
cache_entry *cache_rules)
{
gen_list *entry;
for (entry = gen->tables; entry != NULL; entry = entry->next)
{
print_engine_run_function_header (file,
entry->model->name,
is_function_declaration);
}
}
void
gen_engine_c(lf *file,
gen_table *gen,
insn_table *isa,
cache_entry *cache_rules)
{
gen_list *entry;
/* the intro */
lf_printf (file, "#include \"sim-inline.c\"\n");
lf_printf (file, "\n");
lf_printf (file, "#include \"sim-main.h\"\n");
lf_printf (file, "#include \"itable.h\"\n");
lf_printf (file, "#include \"idecode.h\"\n");
lf_printf (file, "#include \"semantics.h\"\n");
lf_printf (file, "#include \"icache.h\"\n");
lf_printf (file, "#include \"engine.h\"\n");
lf_printf (file, "#include \"support.h\"\n");
lf_printf (file, "\n");
lf_printf (file, "#include \"sim-assert.h\"\n");
lf_printf (file, "\n");
print_idecode_globals (file);
lf_printf (file, "\n");
for (entry = gen->tables; entry != NULL; entry = entry->next)
{
switch (options.gen.code)
{
case generate_calls:
print_idecode_lookups (file, entry->table, cache_rules);
/* output the main engine routine */
print_engine_run_function_header (file,
entry->model->name,
is_function_definition);
print_run_body (file, entry->table);
break;
case generate_jumps:
ERROR ("Jumps currently unimplemented");
#if 0
print_engine_run_function_header (file,
entry->processor,
is_function_definition);
print_jump_body (file, entry->table,
isa, cache_rules);
#endif
break;
}
}
}

View File

@ -110,19 +110,31 @@ extern void
gen_support_h (lf *file,
insn_table *table)
{
/* output the definition of `_SD'*/
/* output the definition of `SD_'*/
if (options.gen.smp)
{
lf_printf(file, "#define _SD cpu, cia, MY_INDEX\n");
lf_printf(file, "#define _SD cpu, cia, MY_INDEX /* depreciated */\n");
lf_printf(file, "#define SD_ cpu, cia, MY_INDEX\n");
lf_printf(file, "#define SD CPU_STATE (cpu)\n");
lf_printf(file, "#define CPU cpu\n");
}
else
{
lf_printf(file, "#define _SD sd, cia, MY_INDEX\n");
lf_printf(file, "#define _SD sd, cia, MY_INDEX /* depreciated */\n");
lf_printf(file, "#define SD_ sd, cia, MY_INDEX\n");
lf_printf(file, "#define SD sd\n");
lf_printf(file, "#define CPU (STATE_CPU (sd, 0))\n");
}
if (options.gen.delayed_branch)
{
lf_printf(file, "#define CIA cia.ip\n");
lf_printf(file, "/* #define NIA nia.dp -- do not define, ambigious */\n");
}
else
{
lf_printf(file, "#define CIA cia\n");
lf_printf(file, "#define NIA nia\n");
}
lf_printf(file, "\n");
/* output a declaration for all functions */
function_entry_traverse (file, table->functions,
@ -155,7 +167,7 @@ support_c_function (lf *file,
table_print_code (file, function->code);
if (function->is_internal)
{
lf_printf (file, "sim_io_error (sd, \"Internal function must longjump\\n\");\n");
lf_printf (file, "sim_engine_abort (SD, CPU, cia, \"Internal function must longjump\\n\");\n");
lf_printf (file, "return cia;\n");
}
lf_indent (file, -2);

View File

@ -353,7 +353,7 @@ static void
print_itrace_format (lf *file,
insn_mnemonic_entry *assembler)
{
/* pass=1 is fmt string; pass=2 is is arguments */
/* pass=1 is fmt string; pass=2 is arguments */
int pass;
/* print the format string */
for (pass = 1; pass <= 2; pass++)
@ -785,10 +785,23 @@ gen_idecode_h (lf *file,
{
gen_list *entry;
for (entry = gen->tables; entry != NULL; entry = entry->next)
{
if (entry->model != NULL)
print_idecode_issue_function_header (file,
entry->model->name,
is_function_declaration,
1/*ALWAYS ONE WORD*/);
else
print_idecode_issue_function_header (file,
NULL,
is_function_declaration,
1/*ALWAYS ONE WORD*/);
}
if (options.gen.multi_sim)
{
print_idecode_issue_function_header (file,
entry->processor,
0/*is definition*/,
NULL,
is_function_variable,
1/*ALWAYS ONE WORD*/);
}
}
@ -825,10 +838,16 @@ gen_idecode_c (lf *file,
/* output the main idecode routine */
if (!options.gen.icache)
{
print_idecode_issue_function_header (file,
entry->processor,
1/*is definition*/,
1/*ALWAYS ONE WORD*/);
if (entry->model != NULL)
print_idecode_issue_function_header (file,
entry->model->name,
1/*is definition*/,
1/*ALWAYS ONE WORD*/);
else
print_idecode_issue_function_header (file,
NULL,
1/*is definition*/,
1/*ALWAYS ONE WORD*/);
lf_printf (file, "{\n");
lf_indent (file, +2);
lf_printf (file, "%sinstruction_address nia;\n",
@ -860,11 +879,22 @@ gen_run_c (lf *file,
gen_list *entry;
lf_printf (file, "#include \"sim-main.h\"\n");
lf_printf (file, "#include \"engine.h\"\n");
lf_printf (file, "#include \"idecode.h\"\n");
lf_printf (file, "#include \"bfd.h\"\n");
lf_printf (file, "\n");
if (options.gen.multi_sim)
{
print_idecode_issue_function_header (file, NULL, is_function_variable, 1);
lf_printf (file, "\n");
print_engine_run_function_header (file, NULL, is_function_variable);
lf_printf (file, "\n");
}
lf_printf (file, "void\n");
lf_printf (file, "sim_engine_run (SIM_DESC sd,\n");
lf_printf (file, " int next_cpu_nr,\n");
lf_printf (file, " int nr_cpus,\n");
lf_printf (file, " int siggnal)\n");
lf_printf (file, "{\n");
lf_indent (file, +2);
@ -880,37 +910,62 @@ gen_run_c (lf *file,
lf_indent (file, +2);
for (entry = gen->tables; entry != NULL; entry = entry->next)
{
lf_printf (file, "case bfd_mach_%s:\n", entry->processor);
if (options.gen.default_model != NULL
&& (strcmp (entry->model->name, options.gen.default_model) == 0
|| strcmp (entry->model->full_name, options.gen.default_model) == 0))
lf_printf (file, "default:\n");
lf_printf (file, "case bfd_mach_%s:\n", entry->model->full_name);
lf_indent (file, +2);
print_function_name (file,
"issue",
NULL, /* format name */
NULL, /* NO processor */
NULL, /* expanded bits */
function_name_prefix_idecode);
lf_printf (file, " = ");
print_function_name (file,
"issue",
NULL, /* format name */
entry->model->name,
NULL, /* expanded bits */
function_name_prefix_idecode);
lf_printf (file, ";\n");
print_function_name (file,
"run",
NULL, /* format name */
entry->processor,
NULL, /* NO processor */
NULL, /* expanded bits */
function_name_prefix_engine);
lf_printf (file, " (sd, next_cpu_nr, siggnal);\n");
lf_printf (file, " = ");
print_function_name (file,
"run",
NULL, /* format name */
entry->model->name,
NULL, /* expanded bits */
function_name_prefix_engine);
lf_printf (file, ";\n");
lf_printf (file, "break;\n");
lf_indent (file, -2);
}
if (options.gen.default_model == NULL)
{
lf_printf (file, "default:\n");
lf_indent (file, +2);
lf_printf (file, "sim_engine_abort (sd, NULL, NULL_CIA,\n");
lf_printf (file, " \"sim_engine_run - unknown machine\");\n");
lf_printf (file, "break;\n");
lf_indent (file, -2);
}
lf_printf (file, "default:\n");
lf_indent (file, +2);
lf_printf (file, "sim_engine_abort (sd, NULL, NULL_CIA,\n");
lf_printf (file, " \"sim_engine_run - unknown machine\");\n");
lf_printf (file, "break;\n");
lf_indent (file, -2);
lf_indent (file, -2);
lf_printf (file, " }\n");
}
else
{
print_function_name (file,
"run",
NULL, /* format name */
NULL, /* NO processor */
NULL, /* expanded bits */
function_name_prefix_engine);
lf_printf (file, " (sd, next_cpu_nr, siggnal);\n");
}
print_function_name (file,
"run",
NULL, /* format name */
NULL, /* NO processor */
NULL, /* expanded bits */
function_name_prefix_engine);
lf_printf (file, " (sd, next_cpu_nr, nr_cpus, siggnal);\n");
lf_indent (file, -2);
lf_printf (file, "}\n");
}
@ -1021,7 +1076,8 @@ main (int argc,
printf ("\t gen-icache[=<N> - generate an instruction cracking cache of size <N>\n");
printf ("\t Default size is %d\n", options.gen.icache_size);
printf ("\t gen-insn-in-icache - save original instruction when cracking\n");
printf ("\t gen-multi-sim - generate multiple simulators - one per model\n");
printf ("\t gen-multi-sim[=MODEL] - generate multiple simulators - one per model\n");
printf ("\t If specified MODEL is made the default architecture.\n");
printf ("\t By default, a single simulator that will\n");
printf ("\t execute any instruction is generated\n");
printf ("\t gen-multi-word - generate code allowing for multi-word insns\n");
@ -1292,7 +1348,8 @@ main (int argc,
{
case '=':
options.gen.icache_size = atoi (argp + strlen ("gen-icache") + 1);
/* fall through */
options.gen.icache = enable_p;
break;
case '\0':
options.gen.icache = enable_p;
break;
@ -1304,9 +1361,25 @@ main (int argc,
{
options.gen.insn_in_icache = enable_p;
}
else if (strcmp (argp, "gen-multi-sim") == 0)
else if (strncmp (argp, "gen-multi-sim", strlen ("gen-multi-sim")) == 0)
{
options.gen.multi_sim = enable_p;
char *arg = &argp[strlen ("gen-multi-sim")];
switch (arg[0])
{
case '=':
options.gen.multi_sim = enable_p;
options.gen.default_model = arg + 1;
if (! filter_is_member (options.model_filter, options.gen.default_model))
error (NULL, "multi-sim model %s unknown\n", options.gen.default_model);
break;
case '\0':
options.gen.multi_sim = enable_p;
options.gen.default_model = NULL;
break;
default:
error (NULL, "Expecting -Ggen-multi-sim or -Ggen-multi-sim=<MODEL>\n");
break;
}
}
else if (strcmp (argp, "gen-multi-word") == 0)
{

View File

@ -1,3 +1,12 @@
Sat Jan 31 14:49:24 1998 Andrew Cagney <cagney@b1.cygnus.com>
* interp.c (sim_engine_run): Add `nr_cpus' argument.
* mips.igen (model): Map processor names onto BFD name.
* sim-main.h (CPU_CIA): Delete.
(SET_CIA, GET_CIA): Define
Wed Jan 21 16:16:27 1998 Andrew Cagney <cagney@b1.cygnus.com>
* sim-main.h (GPR_SET): Define, used by igen when zeroing a

View File

@ -3120,13 +3120,14 @@ decode_coproc(sd,cia,instruction)
#if (WITH_IGEN > 1)
void old_engine_run PARAMS ((SIM_DESC sd, int next_cpu_nr, int siggnal));
void
old_engine_run (sd, next_cpu_nr, siggnal)
old_engine_run (sd, next_cpu_nr, nr_cpus, siggnal)
#else
void
sim_engine_run (sd, next_cpu_nr, siggnal)
sim_engine_run (sd, next_cpu_nr, nr_cpus, siggnal)
#endif
SIM_DESC sd;
int next_cpu_nr; /* ignore */
int nr_cpus; /* ignore */
int siggnal; /* ignore */
{
#if !defined(FASTSIM)

View File

@ -289,7 +289,8 @@ struct _sim_cpu {
/* The following are internal simulator state variables: */
#define CPU_CIA(CPU) (PC)
#define CIA_GET(CPU) ((CPU)->registers[PCIDX] + 0)
#define CIA_SET(CPU,CIA) ((CPU)->registers[PCIDX] = (CIA))
address_word dspc; /* delay-slot PC */
#define DSPC ((STATE_CPU (sd,0))->dspc)
@ -378,7 +379,8 @@ struct _sim_cpu {
#define FGR (&REGISTERS[FGRIDX])
#define LO (REGISTERS[33])
#define HI (REGISTERS[34])
#define PC (REGISTERS[37])
#define PCIDX 37
#define PC (REGISTERS[PCIDX])
#define CAUSE (REGISTERS[36])
#define SRIDX (32)
#define SR (REGISTERS[SRIDX]) /* CPU status register */

View File

@ -1,3 +1,8 @@
Fri Jan 30 11:47:50 1998 Andrew Cagney <cagney@b1.cygnus.com>
* cpu.h (CPU_CIA): Delete macro, replace with...
(CIA_SET, CIA_GET): Define.
Wed Jan 28 18:44:33 1998 Michael Meissner <meissner@cygnus.com>
* misc.c (tic80_trace_cmp_internal): New function to return

View File

@ -151,7 +151,8 @@ struct _sim_cpu {
sim_cpu_base base;
};
#define CPU_CIA(CPU) ((CPU)->cia)
#define CIA_GET(CPU) ((CPU)->cia)
#define CIA_SET(CPU,VAL) ((CPU)->cia = (VAL))
#define GPR(N) ((CPU)->reg[N])
#define GPR_SET(N, VAL) ((CPU)->reg[N] = (VAL))

View File

@ -1,3 +1,8 @@
Fri Jan 30 09:51:27 1998 Andrew Cagney <cagney@b1.cygnus.com>
* sim-main.h (CPU_CIA): Delete, replaced by.
(CIA_SET, CIA_SET): Define.
Mon Jan 19 22:26:29 1998 Doug Evans <devans@seba>
* configure: Regenerated to track ../common/aclocal.m4 changes.