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sim: add --map-info option

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There are options for listing the current device/hw tree and memory
regions, but no way to find out at run time all the current mappings.
So add a new --map-info option akin to the --memory-info option which
displays all the current mappings.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
This commit is contained in:
Mike Frysinger 2010-12-15 11:50:46 +00:00
parent da88a76442
commit bef6be3d9f
2 changed files with 50 additions and 1 deletions
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6
sim/common/ChangeLog
View file

@ -1,3 +1,9 @@
2010-12-15 Mike Frysinger <vapier@gentoo.org>
* sim-memopt.c (OPTION_MAP_INFO): Define.
(memory_options): Handle --map-info.
(memory_option_handler): Handle OPTION_MAP_INFO.
2010-11-22 Mike Frysinger <vapier@gentoo.org>
* sim-profile.c (PROFILE_PC_FREQ, PROFILE_PC_NR_BUCKETS,

45
sim/common/sim-memopt.c
View file

@ -67,7 +67,8 @@ enum {
OPTION_MEMORY_ALIAS,
OPTION_MEMORY_CLEAR,
OPTION_MEMORY_FILL,
OPTION_MEMORY_MAPFILE
OPTION_MEMORY_MAPFILE,
OPTION_MAP_INFO
};
static DECLARE_OPTION_HANDLER (memory_option_handler);
@ -113,6 +114,9 @@ static const OPTION memory_options[] =
{ {"info-memory", no_argument, NULL, OPTION_MEMORY_INFO },
'\0', NULL, NULL,
memory_option_handler },
{ {"map-info", no_argument, NULL, OPTION_MAP_INFO },
'\0', NULL, "List mapped regions",
memory_option_handler },
{ {NULL, no_argument, NULL, 0}, '\0', NULL, NULL, NULL }
};
@ -520,6 +524,45 @@ memory_option_handler (SIM_DESC sd, sim_cpu *cpu, int opt,
break;
}
case OPTION_MAP_INFO:
{
sim_core *memory = STATE_CORE (sd);
unsigned nr_map;
for (nr_map = 0; nr_map < nr_maps; ++nr_map)
{
sim_core_map *map = &memory->common.map[nr_map];
sim_core_mapping *mapping = map->first;
if (!mapping)
continue;
sim_io_printf (sd, "%s maps:\n", map_to_str (nr_map));
do
{
unsigned modulo;
sim_io_printf (sd, " map ");
if (mapping->space != 0)
sim_io_printf (sd, "0x%x:", mapping->space);
sim_io_printf (sd, "0x%08lx", (long) mapping->base);
if (mapping->level != 0)
sim_io_printf (sd, "@0x%x", mapping->level);
sim_io_printf (sd, ",0x%lx", (long) mapping->nr_bytes);
modulo = mapping->mask + 1;
if (modulo != 0)
sim_io_printf (sd, "%%0x%x", modulo);
sim_io_printf (sd, "\n");
mapping = mapping->next;
}
while (mapping);
}
return SIM_RC_OK;
break;
}
default:
sim_io_eprintf (sd, "Unknown memory option %d\n", opt);
return SIM_RC_FAIL;