881 lines
22 KiB
C
881 lines
22 KiB
C
/* This file is part of the program psim.
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Copyright (C) 1994-1998, Andrew Cagney <cagney@highland.com.au>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "sim-main.h"
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#include "hw-device.h"
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#include "hw-properties.h"
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#include "sim-assert.h"
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#ifdef HAVE_STRING_H
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#include <string.h>
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#else
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#ifdef HAVE_STRINGS_H
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#include <strings.h>
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#endif
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#endif
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#define TRACE(A,B)
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/* property entries */
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struct hw_property_data {
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struct hw_property_data *next;
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struct hw_property *property;
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const void *init_array;
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unsigned sizeof_init_array;
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};
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/* Device Properties: */
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static struct hw_property_data *
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find_property_data (struct hw *me,
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const char *property)
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{
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struct hw_property_data *entry;
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ASSERT (property != NULL);
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entry = me->properties_of_hw;
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while (entry != NULL)
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{
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if (strcmp (entry->property->name, property) == 0)
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return entry;
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entry = entry->next;
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}
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return NULL;
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}
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static void
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hw_add_property (struct hw *me,
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const char *property,
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hw_property_type type,
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const void *init_array,
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unsigned sizeof_init_array,
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const void *array,
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unsigned sizeof_array,
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const struct hw_property *original,
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object_disposition disposition)
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{
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struct hw_property_data *new_entry = NULL;
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struct hw_property *new_value = NULL;
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/* find the list end */
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struct hw_property_data **insertion_point = &me->properties_of_hw;
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while (*insertion_point != NULL)
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{
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if (strcmp ((*insertion_point)->property->name, property) == 0)
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return;
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insertion_point = &(*insertion_point)->next;
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}
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/* create a new value */
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new_value = HW_ZALLOC (me, struct hw_property);
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new_value->name = (char *) strdup (property);
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new_value->type = type;
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if (sizeof_array > 0)
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{
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void *new_array = hw_zalloc (me, sizeof_array);
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memcpy (new_array, array, sizeof_array);
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new_value->array = new_array;
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new_value->sizeof_array = sizeof_array;
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}
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new_value->owner = me;
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new_value->original = original;
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new_value->disposition = disposition;
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/* insert the value into the list */
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new_entry = HW_ZALLOC (me, struct hw_property_data);
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*insertion_point = new_entry;
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if (sizeof_init_array > 0)
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{
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void *new_init_array = hw_zalloc (me, sizeof_init_array);
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memcpy (new_init_array, init_array, sizeof_init_array);
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new_entry->init_array = new_init_array;
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new_entry->sizeof_init_array = sizeof_init_array;
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}
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new_entry->property = new_value;
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}
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static void
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hw_set_property (struct hw *me,
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const char *property,
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hw_property_type type,
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const void *array,
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int sizeof_array)
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{
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/* find the property */
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struct hw_property_data *entry = find_property_data (me, property);
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if (entry != NULL)
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{
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/* existing property - update it */
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void *new_array = 0;
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struct hw_property *value = entry->property;
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/* check the type matches */
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if (value->type != type)
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hw_abort (me, "conflict between type of new and old value for property %s", property);
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/* replace its value */
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if (value->array != NULL)
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hw_free (me, (void*)value->array);
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new_array = (sizeof_array > 0
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? hw_zalloc (me, sizeof_array)
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: (void*)0);
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value->array = new_array;
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value->sizeof_array = sizeof_array;
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if (sizeof_array > 0)
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memcpy (new_array, array, sizeof_array);
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return;
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}
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else
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{
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/* new property - create it */
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hw_add_property (me, property, type,
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NULL, 0, array, sizeof_array,
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NULL, temporary_object);
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}
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}
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#if 0
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static void
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clean_hw_properties (struct hw *me)
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{
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struct hw_property_data **delete_point = &me->properties_of_hw;
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while (*delete_point != NULL)
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{
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struct hw_property_data *current = *delete_point;
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switch (current->property->disposition)
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{
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case permenant_object:
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/* zap the current value, will be initialized later */
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ASSERT (current->init_array != NULL);
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if (current->property->array != NULL)
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{
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hw_free (me, (void*)current->property->array);
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current->property->array = NULL;
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}
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delete_point = &(*delete_point)->next;
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break;
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case temporary_object:
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/* zap the actual property, was created during simulation run */
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ASSERT (current->init_array == NULL);
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*delete_point = current->next;
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if (current->property->array != NULL)
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hw_free (me, (void*)current->property->array);
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hw_free (me, current->property);
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hw_free (me, current);
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break;
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}
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}
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}
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#endif
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#if 0
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void
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hw_init_static_properties (SIM_DESC sd,
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struct hw *me,
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void *data)
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{
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struct hw_property_data *property;
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for (property = me->properties_of_hw;
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property != NULL;
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property = property->next)
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{
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ASSERT (property->init_array != NULL);
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ASSERT (property->property->array == NULL);
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ASSERT(property->property->disposition == permenant_object);
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switch (property->property->type)
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{
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case array_property:
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case boolean_property:
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case range_array_property:
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case reg_array_property:
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case string_property:
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case string_array_property:
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case integer_property:
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/* delete the property, and replace it with the original */
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hw_set_property (me, property->property->name,
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property->property->type,
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property->init_array,
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property->sizeof_init_array);
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break;
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#if 0
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case ihandle_property:
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break;
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#endif
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}
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}
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}
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#endif
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#if 0
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void
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hw_init_runtime_properties (SIM_DESC sd,
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struct hw *me,
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void *data)
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{
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struct hw_property_data *property;
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for (property = me->properties_of_hw;
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property != NULL;
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property = property->next)
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{
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switch (property->property->disposition)
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{
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case permenant_object:
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switch (property->property->type)
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{
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#if 0
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case ihandle_property:
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{
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struct hw_instance *ihandle;
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ihandle_runtime_property_spec spec;
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ASSERT (property->init_array != NULL);
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ASSERT (property->property->array == NULL);
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hw_find_ihandle_runtime_property (me, property->property->name, &spec);
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ihandle = tree_instance (me, spec.full_path);
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hw_set_ihandle_property (me, property->property->name, ihandle);
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break;
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}
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#endif
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case array_property:
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case boolean_property:
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case range_array_property:
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case integer_property:
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case reg_array_property:
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case string_property:
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case string_array_property:
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ASSERT (property->init_array != NULL);
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ASSERT (property->property->array != NULL);
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break;
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}
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break;
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case temporary_object:
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ASSERT (property->init_array == NULL);
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ASSERT (property->property->array != NULL);
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break;
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}
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}
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}
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#endif
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const struct hw_property *
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hw_next_property (const struct hw_property *property)
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{
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/* find the property in the list */
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struct hw *owner = property->owner;
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struct hw_property_data *entry = owner->properties_of_hw;
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while (entry != NULL && entry->property != property)
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entry = entry->next;
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/* now return the following property */
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ASSERT (entry != NULL); /* must be a member! */
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if (entry->next != NULL)
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return entry->next->property;
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else
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return NULL;
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}
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const struct hw_property *
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hw_find_property (struct hw *me,
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const char *property)
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{
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if (me == NULL)
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{
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return NULL;
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}
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else if (property == NULL || strcmp (property, "") == 0)
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{
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if (me->properties_of_hw == NULL)
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return NULL;
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else
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return me->properties_of_hw->property;
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}
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else
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{
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struct hw_property_data *entry = find_property_data (me, property);
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if (entry != NULL)
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return entry->property;
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}
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return NULL;
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}
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void
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hw_add_array_property (struct hw *me,
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const char *property,
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const void *array,
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int sizeof_array)
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{
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hw_add_property (me, property, array_property,
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array, sizeof_array, array, sizeof_array,
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NULL, permenant_object);
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}
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void
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hw_set_array_property (struct hw *me,
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const char *property,
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const void *array,
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int sizeof_array)
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{
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hw_set_property (me, property, array_property, array, sizeof_array);
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}
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const struct hw_property *
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hw_find_array_property (struct hw *me,
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const char *property)
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{
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const struct hw_property *node;
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node = hw_find_property (me, property);
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if (node == NULL
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|| node->type != array_property)
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hw_abort(me, "property %s not found or of wrong type", property);
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return node;
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}
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void
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hw_add_boolean_property (struct hw *me,
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const char *property,
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int boolean)
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{
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signed32 new_boolean = (boolean ? -1 : 0);
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hw_add_property (me, property, boolean_property,
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&new_boolean, sizeof(new_boolean),
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&new_boolean, sizeof(new_boolean),
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NULL, permenant_object);
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}
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int
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hw_find_boolean_property (struct hw *me,
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const char *property)
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{
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const struct hw_property *node;
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unsigned_cell boolean;
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node = hw_find_property (me, property);
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if (node == NULL || node->type != boolean_property)
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hw_abort (me, "property %s not found or of wrong type", property);
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ASSERT (sizeof (boolean) == node->sizeof_array);
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memcpy (&boolean, node->array, sizeof (boolean));
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return boolean;
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}
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#if 0
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void
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hw_add_ihandle_runtime_property (struct hw *me,
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const char *property,
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const ihandle_runtime_property_spec *ihandle)
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{
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/* enter the full path as the init array */
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hw_add_property (me, property, ihandle_property,
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ihandle->full_path, strlen(ihandle->full_path) + 1,
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NULL, 0,
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NULL, permenant_object);
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}
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#endif
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#if 0
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void
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hw_find_ihandle_runtime_property (struct hw *me,
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const char *property,
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ihandle_runtime_property_spec *ihandle)
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{
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struct hw_property_data *entry = find_property_data (me, property);
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TRACE (trace_devices,
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("hw_find_ihandle_runtime_property(me=0x%lx, property=%s)\n",
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(long)me, property));
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if (entry == NULL
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|| entry->property->type != ihandle_property
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|| entry->property->disposition != permenant_object)
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hw_abort (me, "property %s not found or of wrong type", property);
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ASSERT (entry->init_array != NULL);
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/* the full path */
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ihandle->full_path = entry->init_array;
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}
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#endif
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#if 0
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void
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hw_set_ihandle_property (struct hw *me,
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const char *property,
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hw_instance *ihandle)
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{
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unsigned_cell cells;
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cells = H2BE_cell (hw_instance_to_external (ihandle));
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hw_set_property (me, property, ihandle_property,
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&cells, sizeof (cells));
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}
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#endif
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#if 0
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hw_instance *
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hw_find_ihandle_property (struct hw *me,
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const char *property)
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{
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const hw_property_data *node;
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unsigned_cell ihandle;
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hw_instance *instance;
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node = hw_find_property (me, property);
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if (node == NULL || node->type != ihandle_property)
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hw_abort(me, "property %s not found or of wrong type", property);
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if (node->array == NULL)
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hw_abort(me, "runtime property %s not yet initialized", property);
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ASSERT (sizeof(ihandle) == node->sizeof_array);
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memcpy (&ihandle, node->array, sizeof(ihandle));
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instance = external_to_hw_instance (me, BE2H_cell(ihandle));
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ASSERT (instance != NULL);
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return instance;
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}
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#endif
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void
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hw_add_integer_property (struct hw *me,
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const char *property,
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signed_cell integer)
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{
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H2BE (integer);
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hw_add_property (me, property, integer_property,
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&integer, sizeof(integer),
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&integer, sizeof(integer),
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NULL, permenant_object);
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}
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signed_cell
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hw_find_integer_property (struct hw *me,
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const char *property)
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{
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const struct hw_property *node;
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signed_cell integer;
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TRACE (trace_devices,
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("hw_find_integer(me=0x%lx, property=%s)\n",
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(long)me, property));
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node = hw_find_property (me, property);
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if (node == NULL || node->type != integer_property)
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hw_abort (me, "property %s not found or of wrong type", property);
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ASSERT (sizeof(integer) == node->sizeof_array);
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memcpy (&integer, node->array, sizeof (integer));
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return BE2H_cell (integer);
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}
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int
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hw_find_integer_array_property (struct hw *me,
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const char *property,
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unsigned index,
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signed_cell *integer)
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{
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const struct hw_property *node;
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int sizeof_integer = sizeof (*integer);
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signed_cell *cell;
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TRACE (trace_devices,
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("hw_find_integer(me=0x%lx, property=%s)\n",
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(long)me, property));
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/* check things sane */
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node = hw_find_property (me, property);
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if (node == NULL
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|| (node->type != integer_property
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&& node->type != array_property))
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hw_abort (me, "property %s not found or of wrong type", property);
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if ((node->sizeof_array % sizeof_integer) != 0)
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hw_abort (me, "property %s contains an incomplete number of cells", property);
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if (node->sizeof_array <= sizeof_integer * index)
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return 0;
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/* Find and convert the value */
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cell = ((signed_cell*)node->array) + index;
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*integer = BE2H_cell (*cell);
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return node->sizeof_array / sizeof_integer;
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}
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static unsigned_cell *
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unit_address_to_cells (const hw_unit *unit,
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unsigned_cell *cell,
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int nr_cells)
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{
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int i;
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ASSERT(nr_cells == unit->nr_cells);
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for (i = 0; i < unit->nr_cells; i++)
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{
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*cell = H2BE_cell (unit->cells[i]);
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cell += 1;
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}
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return cell;
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}
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static const unsigned_cell *
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cells_to_unit_address (const unsigned_cell *cell,
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hw_unit *unit,
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int nr_cells)
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{
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int i;
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memset(unit, 0, sizeof(*unit));
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unit->nr_cells = nr_cells;
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for (i = 0; i < unit->nr_cells; i++)
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{
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unit->cells[i] = BE2H_cell (*cell);
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cell += 1;
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}
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return cell;
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}
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static unsigned
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nr_range_property_cells (struct hw *me,
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int nr_ranges)
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{
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return ((hw_unit_nr_address_cells (me)
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+ hw_unit_nr_address_cells (hw_parent (me))
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+ hw_unit_nr_size_cells (me))
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) * nr_ranges;
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}
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void
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hw_add_range_array_property (struct hw *me,
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const char *property,
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const range_property_spec *ranges,
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unsigned nr_ranges)
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{
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unsigned sizeof_cells = (nr_range_property_cells (me, nr_ranges)
|
|
* sizeof (unsigned_cell));
|
|
unsigned_cell *cells = hw_zalloc (me, sizeof_cells);
|
|
unsigned_cell *cell;
|
|
int i;
|
|
|
|
/* copy the property elements over */
|
|
cell = cells;
|
|
for (i = 0; i < nr_ranges; i++)
|
|
{
|
|
const range_property_spec *range = &ranges[i];
|
|
/* copy the child address */
|
|
cell = unit_address_to_cells (&range->child_address, cell,
|
|
hw_unit_nr_address_cells (me));
|
|
/* copy the parent address */
|
|
cell = unit_address_to_cells (&range->parent_address, cell,
|
|
hw_unit_nr_address_cells (hw_parent (me)));
|
|
/* copy the size */
|
|
cell = unit_address_to_cells (&range->size, cell,
|
|
hw_unit_nr_size_cells (me));
|
|
}
|
|
ASSERT (cell == &cells[nr_range_property_cells (me, nr_ranges)]);
|
|
|
|
/* add it */
|
|
hw_add_property (me, property, range_array_property,
|
|
cells, sizeof_cells,
|
|
cells, sizeof_cells,
|
|
NULL, permenant_object);
|
|
|
|
hw_free (me, cells);
|
|
}
|
|
|
|
int
|
|
hw_find_range_array_property (struct hw *me,
|
|
const char *property,
|
|
unsigned index,
|
|
range_property_spec *range)
|
|
{
|
|
const struct hw_property *node;
|
|
unsigned sizeof_entry = (nr_range_property_cells (me, 1)
|
|
* sizeof (unsigned_cell));
|
|
const unsigned_cell *cells;
|
|
|
|
/* locate the property */
|
|
node = hw_find_property (me, property);
|
|
if (node == NULL || node->type != range_array_property)
|
|
hw_abort (me, "property %s not found or of wrong type", property);
|
|
|
|
/* aligned ? */
|
|
if ((node->sizeof_array % sizeof_entry) != 0)
|
|
hw_abort (me, "property %s contains an incomplete number of entries",
|
|
property);
|
|
|
|
/* within bounds? */
|
|
if (node->sizeof_array < sizeof_entry * (index + 1))
|
|
return 0;
|
|
|
|
/* find the range of interest */
|
|
cells = (unsigned_cell*)((char*)node->array + sizeof_entry * index);
|
|
|
|
/* copy the child address out - converting as we go */
|
|
cells = cells_to_unit_address (cells, &range->child_address,
|
|
hw_unit_nr_address_cells (me));
|
|
|
|
/* copy the parent address out - converting as we go */
|
|
cells = cells_to_unit_address (cells, &range->parent_address,
|
|
hw_unit_nr_address_cells (hw_parent (me)));
|
|
|
|
/* copy the size - converting as we go */
|
|
cells = cells_to_unit_address (cells, &range->size,
|
|
hw_unit_nr_size_cells (me));
|
|
|
|
return node->sizeof_array / sizeof_entry;
|
|
}
|
|
|
|
|
|
static unsigned
|
|
nr_reg_property_cells (struct hw *me,
|
|
int nr_regs)
|
|
{
|
|
return (hw_unit_nr_address_cells (hw_parent(me))
|
|
+ hw_unit_nr_size_cells (hw_parent(me))
|
|
) * nr_regs;
|
|
}
|
|
|
|
void
|
|
hw_add_reg_array_property (struct hw *me,
|
|
const char *property,
|
|
const reg_property_spec *regs,
|
|
unsigned nr_regs)
|
|
{
|
|
unsigned sizeof_cells = (nr_reg_property_cells (me, nr_regs)
|
|
* sizeof (unsigned_cell));
|
|
unsigned_cell *cells = hw_zalloc (me, sizeof_cells);
|
|
unsigned_cell *cell;
|
|
int i;
|
|
|
|
/* copy the property elements over */
|
|
cell = cells;
|
|
for (i = 0; i < nr_regs; i++)
|
|
{
|
|
const reg_property_spec *reg = ®s[i];
|
|
/* copy the address */
|
|
cell = unit_address_to_cells (®->address, cell,
|
|
hw_unit_nr_address_cells (hw_parent (me)));
|
|
/* copy the size */
|
|
cell = unit_address_to_cells (®->size, cell,
|
|
hw_unit_nr_size_cells (hw_parent (me)));
|
|
}
|
|
ASSERT (cell == &cells[nr_reg_property_cells (me, nr_regs)]);
|
|
|
|
/* add it */
|
|
hw_add_property (me, property, reg_array_property,
|
|
cells, sizeof_cells,
|
|
cells, sizeof_cells,
|
|
NULL, permenant_object);
|
|
|
|
hw_free (me, cells);
|
|
}
|
|
|
|
int
|
|
hw_find_reg_array_property (struct hw *me,
|
|
const char *property,
|
|
unsigned index,
|
|
reg_property_spec *reg)
|
|
{
|
|
const struct hw_property *node;
|
|
unsigned sizeof_entry = (nr_reg_property_cells (me, 1)
|
|
* sizeof (unsigned_cell));
|
|
const unsigned_cell *cells;
|
|
|
|
/* locate the property */
|
|
node = hw_find_property (me, property);
|
|
if (node == NULL || node->type != reg_array_property)
|
|
hw_abort (me, "property %s not found or of wrong type", property);
|
|
|
|
/* aligned ? */
|
|
if ((node->sizeof_array % sizeof_entry) != 0)
|
|
hw_abort (me, "property %s contains an incomplete number of entries",
|
|
property);
|
|
|
|
/* within bounds? */
|
|
if (node->sizeof_array < sizeof_entry * (index + 1))
|
|
return 0;
|
|
|
|
/* find the range of interest */
|
|
cells = (unsigned_cell*)((char*)node->array + sizeof_entry * index);
|
|
|
|
/* copy the address out - converting as we go */
|
|
cells = cells_to_unit_address (cells, ®->address,
|
|
hw_unit_nr_address_cells (hw_parent (me)));
|
|
|
|
/* copy the size out - converting as we go */
|
|
cells = cells_to_unit_address (cells, ®->size,
|
|
hw_unit_nr_size_cells (hw_parent (me)));
|
|
|
|
return node->sizeof_array / sizeof_entry;
|
|
}
|
|
|
|
|
|
void
|
|
hw_add_string_property (struct hw *me,
|
|
const char *property,
|
|
const char *string)
|
|
{
|
|
hw_add_property (me, property, string_property,
|
|
string, strlen(string) + 1,
|
|
string, strlen(string) + 1,
|
|
NULL, permenant_object);
|
|
}
|
|
|
|
const char *
|
|
hw_find_string_property (struct hw *me,
|
|
const char *property)
|
|
{
|
|
const struct hw_property *node;
|
|
const char *string;
|
|
node = hw_find_property (me, property);
|
|
if (node == NULL || node->type != string_property)
|
|
hw_abort (me, "property %s not found or of wrong type", property);
|
|
string = node->array;
|
|
ASSERT (strlen(string) + 1 == node->sizeof_array);
|
|
return string;
|
|
}
|
|
|
|
void
|
|
hw_add_string_array_property (struct hw *me,
|
|
const char *property,
|
|
const string_property_spec *strings,
|
|
unsigned nr_strings)
|
|
{
|
|
int sizeof_array;
|
|
int string_nr;
|
|
char *array;
|
|
char *chp;
|
|
if (nr_strings == 0)
|
|
hw_abort (me, "property %s must be non-null", property);
|
|
/* total up the size of the needed array */
|
|
for (sizeof_array = 0, string_nr = 0;
|
|
string_nr < nr_strings;
|
|
string_nr ++)
|
|
{
|
|
sizeof_array += strlen (strings[string_nr]) + 1;
|
|
}
|
|
/* create the array */
|
|
array = (char*) hw_zalloc (me, sizeof_array);
|
|
chp = array;
|
|
for (string_nr = 0;
|
|
string_nr < nr_strings;
|
|
string_nr++)
|
|
{
|
|
strcpy (chp, strings[string_nr]);
|
|
chp += strlen (chp) + 1;
|
|
}
|
|
ASSERT (chp == array + sizeof_array);
|
|
/* now enter it */
|
|
hw_add_property (me, property, string_array_property,
|
|
array, sizeof_array,
|
|
array, sizeof_array,
|
|
NULL, permenant_object);
|
|
}
|
|
|
|
int
|
|
hw_find_string_array_property (struct hw *me,
|
|
const char *property,
|
|
unsigned index,
|
|
string_property_spec *string)
|
|
{
|
|
const struct hw_property *node;
|
|
node = hw_find_property (me, property);
|
|
if (node == NULL)
|
|
hw_abort (me, "property %s not found", property);
|
|
switch (node->type)
|
|
{
|
|
default:
|
|
hw_abort (me, "property %s of wrong type", property);
|
|
break;
|
|
case string_property:
|
|
if (index == 0)
|
|
{
|
|
*string = node->array;
|
|
ASSERT (strlen(*string) + 1 == node->sizeof_array);
|
|
return 1;
|
|
}
|
|
break;
|
|
case array_property:
|
|
if (node->sizeof_array == 0
|
|
|| ((char*)node->array)[node->sizeof_array - 1] != '\0')
|
|
hw_abort (me, "property %s invalid for string array", property);
|
|
/* FALL THROUGH */
|
|
case string_array_property:
|
|
ASSERT (node->sizeof_array > 0);
|
|
ASSERT (((char*)node->array)[node->sizeof_array - 1] == '\0');
|
|
{
|
|
const char *chp = node->array;
|
|
int nr_entries = 0;
|
|
/* count the number of strings, keeping an eye out for the one
|
|
we're looking for */
|
|
*string = chp;
|
|
do
|
|
{
|
|
if (*chp == '\0')
|
|
{
|
|
/* next string */
|
|
nr_entries++;
|
|
chp++;
|
|
if (nr_entries == index)
|
|
*string = chp;
|
|
}
|
|
else
|
|
{
|
|
chp++;
|
|
}
|
|
} while (chp < (char*)node->array + node->sizeof_array);
|
|
if (index < nr_entries)
|
|
return nr_entries;
|
|
else
|
|
{
|
|
*string = NULL;
|
|
return 0;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
hw_add_duplicate_property (struct hw *me,
|
|
const char *property,
|
|
const struct hw_property *original)
|
|
{
|
|
struct hw_property_data *master;
|
|
TRACE (trace_devices,
|
|
("hw_add_duplicate_property(me=0x%lx, property=%s, ...)\n",
|
|
(long)me, property));
|
|
if (original->disposition != permenant_object)
|
|
hw_abort (me, "Can only duplicate permenant objects");
|
|
/* find the original's master */
|
|
master = original->owner->properties_of_hw;
|
|
while (master->property != original)
|
|
{
|
|
master = master->next;
|
|
ASSERT(master != NULL);
|
|
}
|
|
/* now duplicate it */
|
|
hw_add_property (me, property,
|
|
original->type,
|
|
master->init_array, master->sizeof_init_array,
|
|
original->array, original->sizeof_array,
|
|
original, permenant_object);
|
|
}
|