static int
option_to_interrupt_nr (SIM_DESC sd,
int option)
{
sim_watchpoints *watch = STATE_WATCHPOINTS (sd);
int interrupt_nr = ((option - OPTION_WATCH_OP)
% (watch->nr_interrupts + 1));
return interrupt_nr;
}
static int
type_to_option (SIM_DESC sd,
watchpoint_type type,
int interrupt_nr)
{
sim_watchpoints *watch = STATE_WATCHPOINTS (sd);
return ((type * (watch->nr_interrupts + 1))
+ interrupt_nr
+ OPTION_WATCH_OP);
}
/* Break an option number into its op/int-nr */
static watchpoint_type
option_to_type (SIM_DESC sd,
int option)
{
sim_watchpoints *watch = STATE_WATCHPOINTS (sd);
watchpoint_type type = ((option - OPTION_WATCH_OP)
/ (watch->nr_interrupts + 1));
SIM_ASSERT (type >= 0 && type < nr_watchpoint_types);
return type;
}
static const char *
interrupt_nr_to_str (SIM_DESC sd,
int interrupt_nr)
{
sim_watchpoints *watch = STATE_WATCHPOINTS (sd);
if (interrupt_nr < 0)
return "(invalid-interrupt)";
else if (interrupt_nr >= watch->nr_interrupts)
return "breakpoint";
else
return watch->interrupt_names[interrupt_nr];
}
static SIM_RC
sim_watchpoint_init (SIM_DESC sd)
{
sim_watchpoints *watch = STATE_WATCHPOINTS (sd);
sim_watch_point *point;
/* NOTE: Do not need to de-schedule any previous watchpoints as
sim-events has already done this */
/* schedule any watchpoints enabled by command line options */
for (point = watch->points; point != NULL; point = point->next)
{
schedule_watchpoint (sd, point);
}
return SIM_RC_OK;
}
static void
handle_watchpoint (SIM_DESC sd, void *data)
{
sim_watchpoints *watch = STATE_WATCHPOINTS (sd);
sim_watch_point *point = (sim_watch_point *) data;
int interrupt_nr = point->interrupt_nr;
if (point->is_periodic)
/* reschedule this event before processing it */
schedule_watchpoint (sd, point);
else
do_watchpoint_delete (sd, point->ident, invalid_watchpoint);
if (point->interrupt_nr == watch->nr_interrupts)
sim_engine_halt (sd, NULL, NULL, NULL_CIA, sim_stopped, SIM_SIGINT);
else
watch->interrupt_handler (sd, &watch->interrupt_names[interrupt_nr]);
}
static SIM_RC
do_watchpoint_create (SIM_DESC sd,
watchpoint_type type,
int opt,
char *arg)
{
sim_watchpoints *watch = STATE_WATCHPOINTS (sd);
sim_watch_point **point;
/* create the watchpoint */
point = &watch->points;
while ((*point) != NULL)
point = &(*point)->next;
(*point) = ZALLOC (sim_watch_point);
/* fill in the details */
(*point)->ident = ++(watch->last_point_nr);
(*point)->type = option_to_type (sd, opt);
(*point)->interrupt_nr = option_to_interrupt_nr (sd, opt);
/* prefixes to arg - +== periodic, !==not or outside */
(*point)->is_within = 1;
while (1)
{
if (arg[0] == '+')
(*point)->is_periodic = 1;
else if (arg[0] == '!')
(*point)->is_within = 0;
else
break;
arg++;
}
(*point)->arg0 = strtoul (arg, &arg, 0);
if (arg[0] == ',')
(*point)->arg0 = strtoul (arg, NULL, 0);
else
(*point)->arg1 = (*point)->arg0;
/* schedule it */
schedule_watchpoint (sd, (*point));
return SIM_RC_OK;
}
static void
do_watchpoint_info (SIM_DESC sd)
{
sim_watchpoints *watch = STATE_WATCHPOINTS (sd);
sim_watch_point *point;
sim_io_printf (sd, "Watchpoints:\n");
for (point = watch->points; point != NULL; point = point->next)
{
sim_io_printf (sd, "%3d: watch %s %s ",
point->ident,
watchpoint_type_to_str (sd, point->type),
interrupt_nr_to_str (sd, point->interrupt_nr));
if (point->is_periodic)
sim_io_printf (sd, "+");
if (!point->is_within)
sim_io_printf (sd, "!");
sim_io_printf (sd, "0x%lx", point->arg0);
if (point->arg1 != point->arg0)
sim_io_printf (sd, ",0x%lx", point->arg1);
sim_io_printf (sd, "\n");
}
}
static SIM_RC
schedule_watchpoint (SIM_DESC sd,
sim_watch_point *point)
{
sim_watchpoints *watch = STATE_WATCHPOINTS (sd);
switch (point->type)
{
case pc_watchpoint:
point->event = sim_events_watch_sim (sd,
watch->pc,
watch->sizeof_pc,
0/* host-endian */,
point->is_within,
point->arg0, point->arg1,
/* PC in arg0..arg1 */
handle_watchpoint,
point);
return SIM_RC_OK;
case clock_watchpoint:
point->event = sim_events_watch_clock (sd,
point->arg0, /* ms time */
handle_watchpoint,
point);
return SIM_RC_OK;
case cycles_watchpoint:
point->event = sim_events_schedule (sd,
point->arg0, /* time */
handle_watchpoint,
point);
return SIM_RC_OK;
default:
sim_engine_abort (sd, NULL, NULL_CIA,
"handle_watchpoint - internal error - bad switch");
return SIM_RC_FAIL;
}
return SIM_RC_OK;
}
static SIM_RC
do_watchpoint_delete (SIM_DESC sd,
int ident,
watchpoint_type type)
{
sim_watchpoints *watch = STATE_WATCHPOINTS (sd);
sim_watch_point **entry = &watch->points;
SIM_RC status = SIM_RC_FAIL;
while ((*entry) != NULL)
{
if ((*entry)->ident == ident
|| (*entry)->type == type)
{
sim_watch_point *dead = (*entry);
(*entry) = (*entry)->next;
sim_events_deschedule (sd, dead->event);
free (dead);
status = SIM_RC_OK;
}
else
entry = &(*entry)->next;
}
return status;
}
SIM_RC
sim_watchpoint_install (SIM_DESC sd)
{
sim_watchpoints *watch = STATE_WATCHPOINTS (sd);
SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER);
/* the basic command set */
sim_module_add_init_fn (sd, sim_watchpoint_init);
sim_add_option_table (sd, NULL, watchpoint_options);
/* fill in some details */
if (watch->interrupt_names == NULL)
watch->interrupt_names = default_interrupt_names;
watch->nr_interrupts = 0;
while (watch->interrupt_names[watch->nr_interrupts] != NULL)
watch->nr_interrupts++;
/* generate more advansed commands */
{
OPTION *int_options = NZALLOC (OPTION, 1 + (watch->nr_interrupts + 1) * nr_watchpoint_types);
int interrupt_nr;
for (interrupt_nr = 0; interrupt_nr <= watch->nr_interrupts; interrupt_nr++)
{
watchpoint_type type;
for (type = 0; type < nr_watchpoint_types; type++)
{
char *name;
int nr = interrupt_nr * nr_watchpoint_types + type;
OPTION *option = &int_options[nr];
if (asprintf (&name, "watch-%s-%s",
watchpoint_type_to_str (sd, type),
interrupt_nr_to_str (sd, interrupt_nr)) < 0)
return SIM_RC_FAIL;
option->opt.name = name;
option->opt.has_arg = required_argument;
option->opt.val = type_to_option (sd, type, interrupt_nr);
option->doc = "";
option->doc_name = "";
option->handler = watchpoint_option_handler;
}
}
/* adjust first few entries so that they contain real
documentation, the first entry includes a list of actions. */
{
const char *prefix =
"Watch the simulator, take ACTION in COUNT cycles (`+' for every COUNT cycles), ACTION is";
char *doc;
int len = strlen (prefix) + 1;
for (interrupt_nr = 0; interrupt_nr <= watch->nr_interrupts; interrupt_nr++)
len += strlen (interrupt_nr_to_str (sd, interrupt_nr)) + 1;
doc = NZALLOC (char, len);
strcpy (doc, prefix);
for (interrupt_nr = 0; interrupt_nr <= watch->nr_interrupts; interrupt_nr++)
{
strcat (doc, " ");
strcat (doc, interrupt_nr_to_str (sd, interrupt_nr));
}
int_options[0].doc_name = "watch-cycles-ACTION";
int_options[0].arg = "[+]COUNT";
int_options[0].doc = doc;
}
int_options[1].doc_name = "watch-pc-ACTION";
int_options[1].arg = "[!]ADDRESS";
int_options[1].doc =
"Watch the PC, take ACTION when matches ADDRESS (in range ADDRESS,ADDRESS), `!' negates test";
int_options[2].doc_name = "watch-clock-ACTION";
int_options[2].arg = "[+]MILLISECONDS";
int_options[2].doc =
"Watch the clock, take ACTION after MILLISECONDS (`+' for every MILLISECONDS)";
sim_add_option_table (sd, NULL, int_options);
}
return SIM_RC_OK;
}
SIM_DESC
sim_open (SIM_OPEN_KIND kind, host_callback *callback,
struct bfd *abfd, char **argv)
{
char c;
int i;
SIM_DESC sd = sim_state_alloc (kind, callback);
/* The cpu data is kept in a separately allocated chunk of memory. */
if (sim_cpu_alloc_all (sd, 1, /*cgen_cpu_max_extra_bytes ()*/0) != SIM_RC_OK)
{
free_state (sd);
return 0;
}
{
/* XXX: Only first core gets profiled ? */
SIM_CPU *cpu = STATE_CPU (sd, 0);
STATE_WATCHPOINTS (sd)->pc = &PCREG;
STATE_WATCHPOINTS (sd)->sizeof_pc = sizeof (PCREG);
}
if (sim_pre_argv_init (sd, argv[0]) != SIM_RC_OK)
{
free_state (sd);
return 0;
}
/* XXX: Default to the Virtual environment. */
if (STATE_ENVIRONMENT (sd) == ALL_ENVIRONMENT)
STATE_ENVIRONMENT (sd) = VIRTUAL_ENVIRONMENT;
/* These options override any module options.
Obviously ambiguity should be avoided, however the caller may wish to
augment the meaning of an option. */
#define e_sim_add_option_table(sd, options) \
do { \
extern const OPTION options[]; \
sim_add_option_table (sd, NULL, options); \
} while (0)
e_sim_add_option_table (sd, bfin_mmu_options);
e_sim_add_option_table (sd, bfin_mach_options);
/* getopt will print the error message so we just have to exit if this fails.
FIXME: Hmmm... in the case of gdb we need getopt to call
print_filtered. */
if (sim_parse_args (sd, argv) != SIM_RC_OK)
{
free_state (sd);
return 0;
}
/* Allocate external memory if none specified by user.
Use address 4 here in case the user wanted address 0 unmapped. */
if (sim_core_read_buffer (sd, NULL, read_map, &c, 4, 1) == 0)
{
bu16 emuexcpt = 0x25;
sim_do_commandf (sd, "memory-size 0x%lx", BFIN_DEFAULT_MEM_SIZE);
sim_write (sd, 0, (void *)&emuexcpt, 2);
}
/* Check for/establish the a reference program image. */
if (sim_analyze_program (sd,
(STATE_PROG_ARGV (sd) != NULL
? *STATE_PROG_ARGV (sd)
: NULL), abfd) != SIM_RC_OK)
{
free_state (sd);
return 0;
}
/* Establish any remaining configuration options. */
if (sim_config (sd) != SIM_RC_OK)
{
free_state (sd);
return 0;
}
if (sim_post_argv_init (sd) != SIM_RC_OK)
{
free_state (sd);
return 0;
}
/* CPU specific initialization. */
for (i = 0; i < MAX_NR_PROCESSORS; ++i)
{
SIM_CPU *cpu = STATE_CPU (sd, i);
bfin_initialize_cpu (sd, cpu);
}
return sd;
}
SIM_DESC
sim_open (SIM_OPEN_KIND kind,
host_callback *cb,
struct bfd *abfd,
char **argv)
{
int i;
SIM_DESC sd = sim_state_alloc (kind, cb);
mn10300_callback = cb;
SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER);
/* The cpu data is kept in a separately allocated chunk of memory. */
if (sim_cpu_alloc_all (sd, 1, /*cgen_cpu_max_extra_bytes ()*/0) != SIM_RC_OK)
return 0;
/* for compatibility */
simulator = sd;
/* FIXME: should be better way of setting up interrupts. For
moment, only support watchpoints causing a breakpoint (gdb
halt). */
STATE_WATCHPOINTS (sd)->pc = &(PC);
STATE_WATCHPOINTS (sd)->sizeof_pc = sizeof (PC);
STATE_WATCHPOINTS (sd)->interrupt_handler = NULL;
STATE_WATCHPOINTS (sd)->interrupt_names = NULL;
if (sim_pre_argv_init (sd, argv[0]) != SIM_RC_OK)
return 0;
sim_add_option_table (sd, NULL, mn10300_options);
/* Allocate core managed memory */
sim_do_command (sd, "memory region 0,0x100000");
sim_do_command (sd, "memory region 0x40000000,0x200000");
/* getopt will print the error message so we just have to exit if this fails.
FIXME: Hmmm... in the case of gdb we need getopt to call
print_filtered. */
if (sim_parse_args (sd, argv) != SIM_RC_OK)
{
/* Uninstall the modules to avoid memory leaks,
file descriptor leaks, etc. */
sim_module_uninstall (sd);
return 0;
}
if ( NULL != board
&& (strcmp(board, BOARD_AM32) == 0 ) )
{
/* environment */
STATE_ENVIRONMENT (sd) = OPERATING_ENVIRONMENT;
sim_do_command (sd, "memory region 0x44000000,0x40000");
sim_do_command (sd, "memory region 0x48000000,0x400000");
/* device support for mn1030002 */
/* interrupt controller */
sim_hw_parse (sd, "/mn103int@0x34000100/reg 0x34000100 0x7C 0x34000200 0x8 0x34000280 0x8");
/* DEBUG: NMI input's */
sim_hw_parse (sd, "/glue@0x30000000/reg 0x30000000 12");
sim_hw_parse (sd, "/glue@0x30000000 > int0 nmirq /mn103int");
sim_hw_parse (sd, "/glue@0x30000000 > int1 watchdog /mn103int");
sim_hw_parse (sd, "/glue@0x30000000 > int2 syserr /mn103int");
/* DEBUG: ACK input */
sim_hw_parse (sd, "/glue@0x30002000/reg 0x30002000 4");
sim_hw_parse (sd, "/glue@0x30002000 > int ack /mn103int");
/* DEBUG: LEVEL output */
sim_hw_parse (sd, "/glue@0x30004000/reg 0x30004000 8");
sim_hw_parse (sd, "/mn103int > nmi int0 /glue@0x30004000");
sim_hw_parse (sd, "/mn103int > level int1 /glue@0x30004000");
/* DEBUG: A bunch of interrupt inputs */
sim_hw_parse (sd, "/glue@0x30006000/reg 0x30006000 32");
sim_hw_parse (sd, "/glue@0x30006000 > int0 irq-0 /mn103int");
sim_hw_parse (sd, "/glue@0x30006000 > int1 irq-1 /mn103int");
sim_hw_parse (sd, "/glue@0x30006000 > int2 irq-2 /mn103int");
sim_hw_parse (sd, "/glue@0x30006000 > int3 irq-3 /mn103int");
sim_hw_parse (sd, "/glue@0x30006000 > int4 irq-4 /mn103int");
sim_hw_parse (sd, "/glue@0x30006000 > int5 irq-5 /mn103int");
sim_hw_parse (sd, "/glue@0x30006000 > int6 irq-6 /mn103int");
sim_hw_parse (sd, "/glue@0x30006000 > int7 irq-7 /mn103int");
/* processor interrupt device */
/* the device */
sim_hw_parse (sd, "/mn103cpu@0x20000000");
sim_hw_parse (sd, "/mn103cpu@0x20000000/reg 0x20000000 0x42");
/* DEBUG: ACK output wired upto a glue device */
sim_hw_parse (sd, "/glue@0x20002000");
sim_hw_parse (sd, "/glue@0x20002000/reg 0x20002000 4");
sim_hw_parse (sd, "/mn103cpu > ack int0 /glue@0x20002000");
/* DEBUG: RESET/NMI/LEVEL wired up to a glue device */
sim_hw_parse (sd, "/glue@0x20004000");
sim_hw_parse (sd, "/glue@0x20004000/reg 0x20004000 12");
sim_hw_parse (sd, "/glue@0x20004000 > int0 reset /mn103cpu");
sim_hw_parse (sd, "/glue@0x20004000 > int1 nmi /mn103cpu");
sim_hw_parse (sd, "/glue@0x20004000 > int2 level /mn103cpu");
/* REAL: The processor wired up to the real interrupt controller */
sim_hw_parse (sd, "/mn103cpu > ack ack /mn103int");
sim_hw_parse (sd, "/mn103int > level level /mn103cpu");
sim_hw_parse (sd, "/mn103int > nmi nmi /mn103cpu");
/* PAL */
/* the device */
sim_hw_parse (sd, "/pal@0x31000000");
sim_hw_parse (sd, "/pal@0x31000000/reg 0x31000000 64");
sim_hw_parse (sd, "/pal@0x31000000/poll? true");
/* DEBUG: PAL wired up to a glue device */
sim_hw_parse (sd, "/glue@0x31002000");
sim_hw_parse (sd, "/glue@0x31002000/reg 0x31002000 16");
sim_hw_parse (sd, "/pal@0x31000000 > countdown int0 /glue@0x31002000");
sim_hw_parse (sd, "/pal@0x31000000 > timer int1 /glue@0x31002000");
sim_hw_parse (sd, "/pal@0x31000000 > int int2 /glue@0x31002000");
sim_hw_parse (sd, "/glue@0x31002000 > int0 int3 /glue@0x31002000");
sim_hw_parse (sd, "/glue@0x31002000 > int1 int3 /glue@0x31002000");
sim_hw_parse (sd, "/glue@0x31002000 > int2 int3 /glue@0x31002000");
/* REAL: The PAL wired up to the real interrupt controller */
sim_hw_parse (sd, "/pal@0x31000000 > countdown irq-0 /mn103int");
sim_hw_parse (sd, "/pal@0x31000000 > timer irq-1 /mn103int");
sim_hw_parse (sd, "/pal@0x31000000 > int irq-2 /mn103int");
/* 8 and 16 bit timers */
sim_hw_parse (sd, "/mn103tim@0x34001000/reg 0x34001000 36 0x34001080 100 0x34004000 16");
/* Hook timer interrupts up to interrupt controller */
sim_hw_parse (sd, "/mn103tim > timer-0-underflow timer-0-underflow /mn103int");
sim_hw_parse (sd, "/mn103tim > timer-1-underflow timer-1-underflow /mn103int");
sim_hw_parse (sd, "/mn103tim > timer-2-underflow timer-2-underflow /mn103int");
sim_hw_parse (sd, "/mn103tim > timer-3-underflow timer-3-underflow /mn103int");
sim_hw_parse (sd, "/mn103tim > timer-4-underflow timer-4-underflow /mn103int");
sim_hw_parse (sd, "/mn103tim > timer-5-underflow timer-5-underflow /mn103int");
sim_hw_parse (sd, "/mn103tim > timer-6-underflow timer-6-underflow /mn103int");
sim_hw_parse (sd, "/mn103tim > timer-6-compare-a timer-6-compare-a /mn103int");
sim_hw_parse (sd, "/mn103tim > timer-6-compare-b timer-6-compare-b /mn103int");
/* Serial devices 0,1,2 */
sim_hw_parse (sd, "/mn103ser@0x34000800/reg 0x34000800 48");
sim_hw_parse (sd, "/mn103ser@0x34000800/poll? true");
/* Hook serial interrupts up to interrupt controller */
sim_hw_parse (sd, "/mn103ser > serial-0-receive serial-0-receive /mn103int");
sim_hw_parse (sd, "/mn103ser > serial-0-transmit serial-0-transmit /mn103int");
sim_hw_parse (sd, "/mn103ser > serial-1-receive serial-1-receive /mn103int");
sim_hw_parse (sd, "/mn103ser > serial-1-transmit serial-1-transmit /mn103int");
sim_hw_parse (sd, "/mn103ser > serial-2-receive serial-2-receive /mn103int");
sim_hw_parse (sd, "/mn103ser > serial-2-transmit serial-2-transmit /mn103int");
sim_hw_parse (sd, "/mn103iop@0x36008000/reg 0x36008000 8 0x36008020 8 0x36008040 0xc 0x36008060 8 0x36008080 8");
/* Memory control registers */
sim_do_command (sd, "memory region 0x32000020,0x30");
/* Cache control register */
sim_do_command (sd, "memory region 0x20000070,0x4");
/* Cache purge regions */
sim_do_command (sd, "memory region 0x28400000,0x800");
sim_do_command (sd, "memory region 0x28401000,0x800");
/* DMA registers */
sim_do_command (sd, "memory region 0x32000100,0xF");
sim_do_command (sd, "memory region 0x32000200,0xF");
sim_do_command (sd, "memory region 0x32000400,0xF");
sim_do_command (sd, "memory region 0x32000800,0xF");
}
else
{
if (board != NULL)
{
sim_io_eprintf (sd, "Error: Board `%s' unknown.\n", board);
return 0;
}
}
/* check for/establish the a reference program image */
if (sim_analyze_program (sd,
(STATE_PROG_ARGV (sd) != NULL
? *STATE_PROG_ARGV (sd)
: NULL),
abfd) != SIM_RC_OK)
{
sim_module_uninstall (sd);
return 0;
}
/* establish any remaining configuration options */
if (sim_config (sd) != SIM_RC_OK)
{
sim_module_uninstall (sd);
return 0;
}
if (sim_post_argv_init (sd) != SIM_RC_OK)
{
/* Uninstall the modules to avoid memory leaks,
file descriptor leaks, etc. */
sim_module_uninstall (sd);
return 0;
}
/* set machine specific configuration */
/* STATE_CPU (sd, 0)->psw_mask = (PSW_NP | PSW_EP | PSW_ID | PSW_SAT */
/* | PSW_CY | PSW_OV | PSW_S | PSW_Z); */
/* CPU specific initialization. */
for (i = 0; i < MAX_NR_PROCESSORS; ++i)
{
SIM_CPU *cpu = STATE_CPU (sd, i);
CPU_PC_FETCH (cpu) = mn10300_pc_get;
CPU_PC_STORE (cpu) = mn10300_pc_set;
}
return sd;
}
