static void sim_core_uninstall (SIM_DESC sd) { sim_core *core = STATE_CORE (sd); unsigned map; /* blow away any mappings */ for (map = 0; map < nr_maps; map++) { sim_core_mapping *curr = core->common.map[map].first; while (curr != NULL) { sim_core_mapping *tbd = curr; curr = curr->next; if (tbd->free_buffer != NULL) { SIM_ASSERT (tbd->buffer != NULL); free (tbd->free_buffer); } free (tbd); } core->common.map[map].first = NULL; } }
static SIM_RC memory_option_handler (SIM_DESC sd, sim_cpu *cpu, int opt, char *arg, int is_command) { switch (opt) { case OPTION_MEMORY_DELETE: if (strcasecmp (arg, "all") == 0) { while (STATE_MEMOPT (sd) != NULL) do_memopt_delete (sd, STATE_MEMOPT (sd)->level, STATE_MEMOPT (sd)->space, STATE_MEMOPT (sd)->addr); return SIM_RC_OK; } else { int level = 0; int space = 0; address_word addr = 0; parse_addr (arg, &level, &space, &addr); return do_memopt_delete (sd, level, space, addr); } case OPTION_MEMORY_REGION: { char *chp = arg; int level = 0; int space = 0; address_word addr = 0; address_word nr_bytes = 0; unsigned modulo = 0; /* parse the arguments */ chp = parse_addr (chp, &level, &space, &addr); if (*chp != ',') { /* let the file autosize */ if (mmap_next_fd == -1) { sim_io_eprintf (sd, "Missing size for memory-region\n"); return SIM_RC_FAIL; } } else chp = parse_size (chp + 1, &nr_bytes, &modulo); /* old style */ if (*chp == ',') modulo = strtoul (chp + 1, &chp, 0); /* try to attach/insert it */ do_memopt_add (sd, level, space, addr, nr_bytes, modulo, &STATE_MEMOPT (sd), NULL); return SIM_RC_OK; } case OPTION_MEMORY_ALIAS: { char *chp = arg; int level = 0; int space = 0; address_word addr = 0; address_word nr_bytes = 0; unsigned modulo = 0; sim_memopt *entry; /* parse the arguments */ chp = parse_addr (chp, &level, &space, &addr); if (*chp != ',') { sim_io_eprintf (sd, "Missing size for memory-region\n"); return SIM_RC_FAIL; } chp = parse_size (chp + 1, &nr_bytes, &modulo); /* try to attach/insert the main record */ entry = do_memopt_add (sd, level, space, addr, nr_bytes, modulo, &STATE_MEMOPT (sd), NULL); /* now attach all the aliases */ while (*chp == ',') { int a_level = level; int a_space = space; address_word a_addr = addr; chp = parse_addr (chp + 1, &a_level, &a_space, &a_addr); do_memopt_add (sd, a_level, a_space, a_addr, nr_bytes, modulo, &entry->alias, entry->buffer); } return SIM_RC_OK; } case OPTION_MEMORY_SIZE: { int level = 0; int space = 0; address_word addr = 0; address_word nr_bytes = 0; unsigned modulo = 0; /* parse the arguments */ parse_size (arg, &nr_bytes, &modulo); /* try to attach/insert it */ do_memopt_add (sd, level, space, addr, nr_bytes, modulo, &STATE_MEMOPT (sd), NULL); return SIM_RC_OK; } case OPTION_MEMORY_CLEAR: { fill_byte_value = (unsigned8) 0; fill_byte_flag = 1; return SIM_RC_OK; break; } case OPTION_MEMORY_FILL: { unsigned long fill_value; parse_ulong_value (arg, &fill_value); if (fill_value > 255) { sim_io_eprintf (sd, "Missing fill value between 0 and 255\n"); return SIM_RC_FAIL; } fill_byte_value = (unsigned8) fill_value; fill_byte_flag = 1; return SIM_RC_OK; break; } case OPTION_MEMORY_MAPFILE: { if (mmap_next_fd >= 0) { sim_io_eprintf (sd, "Duplicate memory-mapfile option\n"); return SIM_RC_FAIL; } mmap_next_fd = open (arg, O_RDWR); if (mmap_next_fd < 0) { sim_io_eprintf (sd, "Cannot open file `%s': %s\n", arg, strerror (errno)); return SIM_RC_FAIL; } return SIM_RC_OK; } case OPTION_MEMORY_INFO: { sim_memopt *entry; sim_io_printf (sd, "Memory maps:\n"); for (entry = STATE_MEMOPT (sd); entry != NULL; entry = entry->next) { sim_memopt *alias; sim_io_printf (sd, " memory"); if (entry->alias == NULL) sim_io_printf (sd, " region "); else sim_io_printf (sd, " alias "); if (entry->space != 0) sim_io_printf (sd, "0x%lx:", (long) entry->space); sim_io_printf (sd, "0x%08lx", (long) entry->addr); if (entry->level != 0) sim_io_printf (sd, "@0x%lx", (long) entry->level); sim_io_printf (sd, ",0x%lx", (long) entry->nr_bytes); if (entry->modulo != 0) sim_io_printf (sd, "%%0x%lx", (long) entry->modulo); for (alias = entry->alias; alias != NULL; alias = alias->next) { if (alias->space != 0) sim_io_printf (sd, "0x%lx:", (long) alias->space); sim_io_printf (sd, ",0x%08lx", (long) alias->addr); if (alias->level != 0) sim_io_printf (sd, "@0x%lx", (long) alias->level); } sim_io_printf (sd, "\n"); } return SIM_RC_OK; 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; } return SIM_RC_FAIL; }
void sim_core_attach (SIM_DESC sd, sim_cpu *cpu, int level, unsigned mapmask, int space, address_word addr, address_word nr_bytes, unsigned modulo, #if WITH_HW struct hw *client, #else device *client, #endif void *optional_buffer) { sim_core *memory = STATE_CORE (sd); unsigned map; void *buffer; void *free_buffer; /* check for for attempt to use unimplemented per-processor core map */ if (cpu != NULL) sim_io_error (sd, "sim_core_map_attach - processor specific memory map not yet supported"); /* verify modulo memory */ if (!WITH_MODULO_MEMORY && modulo != 0) { #if (WITH_DEVICES) device_error (client, "sim_core_attach - internal error - modulo memory disabled"); #endif #if (WITH_HW) sim_hw_abort (sd, client, "sim_core_attach - internal error - modulo memory disabled"); #endif sim_io_error (sd, "sim_core_attach - internal error - modulo memory disabled"); } if (client != NULL && modulo != 0) { #if (WITH_DEVICES) device_error (client, "sim_core_attach - internal error - modulo and callback memory conflict"); #endif #if (WITH_HW) sim_hw_abort (sd, client, "sim_core_attach - internal error - modulo and callback memory conflict"); #endif sim_io_error (sd, "sim_core_attach - internal error - modulo and callback memory conflict"); } if (modulo != 0) { unsigned mask = modulo - 1; /* any zero bits */ while (mask >= sizeof (unsigned64)) /* minimum modulo */ { if ((mask & 1) == 0) mask = 0; else mask >>= 1; } if (mask != sizeof (unsigned64) - 1) { #if (WITH_DEVICES) device_error (client, "sim_core_attach - internal error - modulo %lx not power of two", (long) modulo); #endif #if (WITH_HW) sim_hw_abort (sd, client, "sim_core_attach - internal error - modulo %lx not power of two", (long) modulo); #endif sim_io_error (sd, "sim_core_attach - internal error - modulo %lx not power of two", (long) modulo); } }