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* configure: Regenerated.

Browse source 
* cgen-sim.h (sim_signal_type): Add SIM_SIGINT.
	(cgen_state): New member run_fast_p.
	(cgen_init): Add prototype.
	(sim_disassemble_insn): New arg `cpu'.
	* cgen-trace.c (trace_insn): Update call to sim_disassemble_insn.
	* cgen-utils.c (cgen_init): New function.
	(sim_disassemble_insn): New arg `cpu'.  Rewrite fetching of insn.
	* genmloop.sh: Call engine_halt if loop exits.
This commit is contained in:
David Edelsohn 1997-05-01 20:53:43 +00:00
parent 968d32cc40
commit 260b2c47c9
3 changed files with 55 additions and 13 deletions
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11
sim/common/ChangeLog
View file

@ -1,5 +1,16 @@
Thu May 1 10:40:47 1997 Doug Evans <dje@canuck.cygnus.com>
* configure: Regenerated.
* cgen-sim.h (sim_signal_type): Add SIM_SIGINT.
(cgen_state): New member run_fast_p.
(cgen_init): Add prototype.
(sim_disassemble_insn): New arg `cpu'.
* cgen-trace.c (trace_insn): Update call to sim_disassemble_insn.
* cgen-utils.c (cgen_init): New function.
(sim_disassemble_insn): New arg `cpu'. Rewrite fetching of insn.
* genmloop.sh: Call engine_halt if loop exits.
* Makefile.in (sim-options_h): Define.
(sim-{module,options,trace,profile,utils}.o): Clean up dependencies.
(sim-model.o): Add new rule.

53
sim/common/cgen-utils.c
View file

@ -47,6 +47,38 @@ const char *mode_names[] = {
"TF",
};
/* Initialize cgen things.
This is called after sim_post_argv_init. */
void
cgen_init (SIM_DESC sd)
{
int i, c;
int run_fast_p = 1;
/* If no profiling or tracing has been enabled, run in fast mode. */
for (c = 0; c < MAX_NR_PROCESSORS; ++c)
{
sim_cpu *cpu = STATE_CPU (sd, c);
for (i = 0; i < MAX_PROFILE_VALUES; ++i)
if (CPU_PROFILE_FLAGS (cpu) [i])
{
run_fast_p = 0;
break;
}
for (i = 0; i < MAX_TRACE_VALUES; ++i)
if (CPU_TRACE_FLAGS (cpu) [i])
{
run_fast_p = 0;
break;
}
if (! run_fast_p)
break;
}
STATE_RUN_FAST_P (sd) = run_fast_p;
}
void
engine_halt (cpu, reason, sigrc)
sim_cpu *cpu;
@ -183,11 +215,8 @@ disasm_sprintf VPARAMS ((SFILE *f, const char *format, ...))
}
void
sim_disassemble_insn (insn, abuf, pc, buf)
const struct cgen_insn *insn;
const struct argbuf *abuf;
PCADDR pc;
char *buf;
sim_disassemble_insn (SIM_CPU *cpu, const struct cgen_insn *insn,
const struct argbuf *abuf, PCADDR pc, char *buf)
{
int length;
unsigned long insn_value;
@ -195,28 +224,26 @@ sim_disassemble_insn (insn, abuf, pc, buf)
struct cgen_fields fields;
SFILE sfile;
char insn_buf[20];
STATE state = current_state;
SIM_DESC sd = CPU_STATE (cpu);
sfile.buffer = sfile.current = buf;
INIT_DISASSEMBLE_INFO (disasm_info, (FILE *) &sfile,
(fprintf_ftype) disasm_sprintf);
disasm_info.endian =
(bfd_big_endian (STATE_PROG_BFD (state)) ? BFD_ENDIAN_BIG
: bfd_little_endian (STATE_PROG_BFD (state)) ? BFD_ENDIAN_LITTLE
(bfd_big_endian (STATE_PROG_BFD (sd)) ? BFD_ENDIAN_BIG
: bfd_little_endian (STATE_PROG_BFD (sd)) ? BFD_ENDIAN_LITTLE
: BFD_ENDIAN_UNKNOWN);
/* (*STATE_MEM_READ (state)) (state, pc, insn_buf, abuf->length);*/
switch (abuf->length)
{
case 1 :
insn_value = insn_buf[0];
insn_value = sim_core_read_1 (CPU_STATE (cpu), sim_core_read_map, pc);
break;
case 2 :
insn_value = disasm_info.endian == BFD_ENDIAN_BIG ? bfd_getb16 (insn_buf) : bfd_getl16 (insn_buf);
insn_value = sim_core_read_2 (CPU_STATE (cpu), sim_core_read_map, pc);
break;
case 4 :
insn_value = disasm_info.endian == BFD_ENDIAN_BIG ? bfd_getb32 (insn_buf) : bfd_getl32 (insn_buf);
insn_value = sim_core_read_4 (CPU_STATE (cpu), sim_core_read_map, pc);
break;
default:
abort ();

4
sim/common/genmloop.sh
View file

@ -161,6 +161,8 @@ cat <<EOF
engine_halt (current_cpu, EXEC_STATE_STOPPED, SIM_SIGTRAP);
}
while (keep_running);
/* If the loop exists, engine_stop was called. */
engine_halt (current_cpu, EXEC_STATE_STOPPED, SIM_SIGINT);
#undef FAST
}
else
@ -180,6 +182,8 @@ cat <<EOF
++insn_count;
}
while (keep_running);
/* If the loop exists, engine_stop was called. */
engine_halt (current_cpu, EXEC_STATE_STOPPED, SIM_SIGINT);
}
}
EOF