/* This file is part of the program psim.
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/* This file is part of the program psim.
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|
|
Copyright (C) 1994-1997, Andrew Cagney <cagney@highland.com.au>
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Copyright (C) 1994-1997, 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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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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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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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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(at your option) any later version.
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|
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This program is distributed in the hope that it will be useful,
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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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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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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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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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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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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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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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|
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*/
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*/
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#ifndef _PARSE_C_
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#ifndef _PARSE_C_
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#define _PARSE_C_
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#define _PARSE_C_
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|
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#include <stdio.h>
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#include <stdio.h>
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#include <stdarg.h>
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#include <stdarg.h>
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|
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#include "basics.h"
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#include "basics.h"
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|
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#include "device.h"
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#include "device.h"
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#include "tree.h"
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#include "tree.h"
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|
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#ifdef HAVE_STDLIB_H
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#ifdef HAVE_STDLIB_H
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#include <stdlib.h>
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#include <stdlib.h>
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#endif
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#endif
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|
|
#ifdef HAVE_STRING_H
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#ifdef HAVE_STRING_H
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#include <string.h>
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#include <string.h>
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#else
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#else
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#ifdef HAVE_STRINGS_H
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#ifdef HAVE_STRINGS_H
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#include <strings.h>
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#include <strings.h>
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#endif
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#endif
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#endif
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#endif
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|
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#include <ctype.h>
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#include <ctype.h>
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|
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#include "libiberty.h"
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#include "libiberty.h"
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|
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/* manipulate/lookup device names */
|
/* manipulate/lookup device names */
|
|
|
typedef struct _name_specifier {
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typedef struct _name_specifier {
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/* components in the full length name */
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/* components in the full length name */
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char *path;
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char *path;
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char *property;
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char *property;
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char *value;
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char *value;
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/* current device */
|
/* current device */
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char *name;
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char *name;
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char *base;
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char *base;
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char *unit;
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char *unit;
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char *args;
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char *args;
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/* previous device */
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/* previous device */
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char *last_name;
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char *last_name;
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char *last_base;
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char *last_base;
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char *last_unit;
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char *last_unit;
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char *last_args;
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char *last_args;
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/* work area */
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/* work area */
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char buf[1024];
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char buf[1024];
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} name_specifier;
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} name_specifier;
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|
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|
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|
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/* Given a device specifier, break it up into its main components:
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/* Given a device specifier, break it up into its main components:
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path (and if present) property name and property value. */
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path (and if present) property name and property value. */
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|
|
STATIC_INLINE_TREE\
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STATIC_INLINE_TREE\
|
(int)
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(int)
|
split_device_specifier(device *current,
|
split_device_specifier(device *current,
|
const char *device_specifier,
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const char *device_specifier,
|
name_specifier *spec)
|
name_specifier *spec)
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{
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{
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char *chp = NULL;
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char *chp = NULL;
|
|
|
/* expand any leading alias if present */
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/* expand any leading alias if present */
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if (current != NULL
|
if (current != NULL
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&& *device_specifier != '\0'
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&& *device_specifier != '\0'
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&& *device_specifier != '.'
|
&& *device_specifier != '.'
|
&& *device_specifier != '/') {
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&& *device_specifier != '/') {
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device *aliases = tree_find_device(current, "/aliases");
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device *aliases = tree_find_device(current, "/aliases");
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char alias[32];
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char alias[32];
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int len = 0;
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int len = 0;
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while (device_specifier[len] != '\0'
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while (device_specifier[len] != '\0'
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&& device_specifier[len] != '/'
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&& device_specifier[len] != '/'
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&& device_specifier[len] != ':'
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&& device_specifier[len] != ':'
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&& !isspace(device_specifier[len])) {
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&& !isspace(device_specifier[len])) {
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alias[len] = device_specifier[len];
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alias[len] = device_specifier[len];
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len++;
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len++;
|
if (len >= sizeof(alias))
|
if (len >= sizeof(alias))
|
error("split_device_specifier: buffer overflow");
|
error("split_device_specifier: buffer overflow");
|
}
|
}
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alias[len] = '\0';
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alias[len] = '\0';
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if (aliases != NULL
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if (aliases != NULL
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&& device_find_property(aliases, alias)) {
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&& device_find_property(aliases, alias)) {
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strcpy(spec->buf, device_find_string_property(aliases, alias));
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strcpy(spec->buf, device_find_string_property(aliases, alias));
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strcat(spec->buf, device_specifier + len);
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strcat(spec->buf, device_specifier + len);
|
}
|
}
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else {
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else {
|
strcpy(spec->buf, device_specifier);
|
strcpy(spec->buf, device_specifier);
|
}
|
}
|
}
|
}
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else {
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else {
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strcpy(spec->buf, device_specifier);
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strcpy(spec->buf, device_specifier);
|
}
|
}
|
|
|
/* check no overflow */
|
/* check no overflow */
|
if (strlen(spec->buf) >= sizeof(spec->buf))
|
if (strlen(spec->buf) >= sizeof(spec->buf))
|
error("split_device_specifier: buffer overflow\n");
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error("split_device_specifier: buffer overflow\n");
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|
|
/* strip leading spaces */
|
/* strip leading spaces */
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chp = spec->buf;
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chp = spec->buf;
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while (*chp != '\0' && isspace(*chp))
|
while (*chp != '\0' && isspace(*chp))
|
chp++;
|
chp++;
|
if (*chp == '\0')
|
if (*chp == '\0')
|
return 0;
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return 0;
|
|
|
/* find the path and terminate it with null */
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/* find the path and terminate it with null */
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spec->path = chp;
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spec->path = chp;
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while (*chp != '\0' && !isspace(*chp))
|
while (*chp != '\0' && !isspace(*chp))
|
chp++;
|
chp++;
|
if (*chp != '\0') {
|
if (*chp != '\0') {
|
*chp = '\0';
|
*chp = '\0';
|
chp++;
|
chp++;
|
}
|
}
|
|
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/* and any value */
|
/* and any value */
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while (*chp != '\0' && isspace(*chp))
|
while (*chp != '\0' && isspace(*chp))
|
chp++;
|
chp++;
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spec->value = chp;
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spec->value = chp;
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|
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/* now go back and chop the property off of the path */
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/* now go back and chop the property off of the path */
|
if (spec->value[0] == '\0') {
|
if (spec->value[0] == '\0') {
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spec->property = NULL; /*not a property*/
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spec->property = NULL; /*not a property*/
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spec->value = NULL;
|
spec->value = NULL;
|
}
|
}
|
else if (spec->value[0] == '>'
|
else if (spec->value[0] == '>'
|
|| spec->value[0] == '<') {
|
|| spec->value[0] == '<') {
|
/* an interrupt spec */
|
/* an interrupt spec */
|
spec->property = NULL;
|
spec->property = NULL;
|
}
|
}
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else {
|
else {
|
chp = strrchr(spec->path, '/');
|
chp = strrchr(spec->path, '/');
|
if (chp == NULL) {
|
if (chp == NULL) {
|
spec->property = spec->path;
|
spec->property = spec->path;
|
spec->path = strchr(spec->property, '\0');
|
spec->path = strchr(spec->property, '\0');
|
}
|
}
|
else {
|
else {
|
*chp = '\0';
|
*chp = '\0';
|
spec->property = chp+1;
|
spec->property = chp+1;
|
}
|
}
|
}
|
}
|
|
|
/* and mark the rest as invalid */
|
/* and mark the rest as invalid */
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spec->name = NULL;
|
spec->name = NULL;
|
spec->base = NULL;
|
spec->base = NULL;
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spec->unit = NULL;
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spec->unit = NULL;
|
spec->args = NULL;
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spec->args = NULL;
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spec->last_name = NULL;
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spec->last_name = NULL;
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spec->last_base = NULL;
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spec->last_base = NULL;
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spec->last_unit = NULL;
|
spec->last_unit = NULL;
|
spec->last_args = NULL;
|
spec->last_args = NULL;
|
|
|
return 1;
|
return 1;
|
}
|
}
|
|
|
|
|
/* given a device specifier break it up into its main components -
|
/* given a device specifier break it up into its main components -
|
path and property name - assuming that the last `device' is a
|
path and property name - assuming that the last `device' is a
|
property name. */
|
property name. */
|
|
|
STATIC_INLINE_DEVICE\
|
STATIC_INLINE_DEVICE\
|
(int)
|
(int)
|
split_property_specifier(device *current,
|
split_property_specifier(device *current,
|
const char *property_specifier,
|
const char *property_specifier,
|
name_specifier *spec)
|
name_specifier *spec)
|
{
|
{
|
if (split_device_specifier(current, property_specifier, spec)) {
|
if (split_device_specifier(current, property_specifier, spec)) {
|
if (spec->property == NULL) {
|
if (spec->property == NULL) {
|
/* force the last name to be a property name */
|
/* force the last name to be a property name */
|
char *chp = strrchr(spec->path, '/');
|
char *chp = strrchr(spec->path, '/');
|
if (chp == NULL) {
|
if (chp == NULL) {
|
spec->property = spec->path;
|
spec->property = spec->path;
|
spec->path = strrchr(spec->property, '\0');;
|
spec->path = strrchr(spec->property, '\0');;
|
}
|
}
|
else {
|
else {
|
*chp = '\0';
|
*chp = '\0';
|
spec->property = chp+1;
|
spec->property = chp+1;
|
}
|
}
|
}
|
}
|
return 1;
|
return 1;
|
}
|
}
|
else
|
else
|
return 0;
|
return 0;
|
}
|
}
|
|
|
|
|
/* device the next device name and split it up, return 0 when no more
|
/* device the next device name and split it up, return 0 when no more
|
names to device */
|
names to device */
|
|
|
STATIC_INLINE_TREE\
|
STATIC_INLINE_TREE\
|
(int)
|
(int)
|
split_device_name(name_specifier *spec)
|
split_device_name(name_specifier *spec)
|
{
|
{
|
char *chp;
|
char *chp;
|
/* remember what came before */
|
/* remember what came before */
|
spec->last_name = spec->name;
|
spec->last_name = spec->name;
|
spec->last_base = spec->base;
|
spec->last_base = spec->base;
|
spec->last_unit = spec->unit;
|
spec->last_unit = spec->unit;
|
spec->last_args = spec->args;
|
spec->last_args = spec->args;
|
/* finished? */
|
/* finished? */
|
if (spec->path[0] == '\0') {
|
if (spec->path[0] == '\0') {
|
spec->name = NULL;
|
spec->name = NULL;
|
spec->base = NULL;
|
spec->base = NULL;
|
spec->unit = NULL;
|
spec->unit = NULL;
|
spec->args = NULL;
|
spec->args = NULL;
|
return 0;
|
return 0;
|
}
|
}
|
/* break the current device spec from the path */
|
/* break the current device spec from the path */
|
spec->name = spec->path;
|
spec->name = spec->path;
|
chp = strchr(spec->name, '/');
|
chp = strchr(spec->name, '/');
|
if (chp == NULL)
|
if (chp == NULL)
|
spec->path = strchr(spec->name, '\0');
|
spec->path = strchr(spec->name, '\0');
|
else {
|
else {
|
spec->path = chp+1;
|
spec->path = chp+1;
|
*chp = '\0';
|
*chp = '\0';
|
}
|
}
|
/* break out the base */
|
/* break out the base */
|
if (spec->name[0] == '(') {
|
if (spec->name[0] == '(') {
|
chp = strchr(spec->name, ')');
|
chp = strchr(spec->name, ')');
|
if (chp == NULL) {
|
if (chp == NULL) {
|
spec->base = spec->name;
|
spec->base = spec->name;
|
}
|
}
|
else {
|
else {
|
*chp = '\0';
|
*chp = '\0';
|
spec->base = spec->name + 1;
|
spec->base = spec->name + 1;
|
spec->name = chp + 1;
|
spec->name = chp + 1;
|
}
|
}
|
}
|
}
|
else {
|
else {
|
spec->base = spec->name;
|
spec->base = spec->name;
|
}
|
}
|
/* now break out the unit */
|
/* now break out the unit */
|
chp = strchr(spec->name, '@');
|
chp = strchr(spec->name, '@');
|
if (chp == NULL) {
|
if (chp == NULL) {
|
spec->unit = NULL;
|
spec->unit = NULL;
|
chp = spec->name;
|
chp = spec->name;
|
}
|
}
|
else {
|
else {
|
*chp = '\0';
|
*chp = '\0';
|
chp += 1;
|
chp += 1;
|
spec->unit = chp;
|
spec->unit = chp;
|
}
|
}
|
/* finally any args */
|
/* finally any args */
|
chp = strchr(chp, ':');
|
chp = strchr(chp, ':');
|
if (chp == NULL)
|
if (chp == NULL)
|
spec->args = NULL;
|
spec->args = NULL;
|
else {
|
else {
|
*chp = '\0';
|
*chp = '\0';
|
spec->args = chp+1;
|
spec->args = chp+1;
|
}
|
}
|
return 1;
|
return 1;
|
}
|
}
|
|
|
|
|
/* device the value, returning the next non-space token */
|
/* device the value, returning the next non-space token */
|
|
|
STATIC_INLINE_TREE\
|
STATIC_INLINE_TREE\
|
(char *)
|
(char *)
|
split_value(name_specifier *spec)
|
split_value(name_specifier *spec)
|
{
|
{
|
char *token;
|
char *token;
|
if (spec->value == NULL)
|
if (spec->value == NULL)
|
return NULL;
|
return NULL;
|
/* skip leading white space */
|
/* skip leading white space */
|
while (isspace(spec->value[0]))
|
while (isspace(spec->value[0]))
|
spec->value++;
|
spec->value++;
|
if (spec->value[0] == '\0') {
|
if (spec->value[0] == '\0') {
|
spec->value = NULL;
|
spec->value = NULL;
|
return NULL;
|
return NULL;
|
}
|
}
|
token = spec->value;
|
token = spec->value;
|
/* find trailing space */
|
/* find trailing space */
|
while (spec->value[0] != '\0' && !isspace(spec->value[0]))
|
while (spec->value[0] != '\0' && !isspace(spec->value[0]))
|
spec->value++;
|
spec->value++;
|
/* chop this value out */
|
/* chop this value out */
|
if (spec->value[0] != '\0') {
|
if (spec->value[0] != '\0') {
|
spec->value[0] = '\0';
|
spec->value[0] = '\0';
|
spec->value++;
|
spec->value++;
|
}
|
}
|
return token;
|
return token;
|
}
|
}
|
|
|
|
|
|
|
/* traverse the path specified by spec starting at current */
|
/* traverse the path specified by spec starting at current */
|
|
|
STATIC_INLINE_TREE\
|
STATIC_INLINE_TREE\
|
(device *)
|
(device *)
|
split_find_device(device *current,
|
split_find_device(device *current,
|
name_specifier *spec)
|
name_specifier *spec)
|
{
|
{
|
/* strip off (and process) any leading ., .., ./ and / */
|
/* strip off (and process) any leading ., .., ./ and / */
|
while (1) {
|
while (1) {
|
if (strncmp(spec->path, "/", strlen("/")) == 0) {
|
if (strncmp(spec->path, "/", strlen("/")) == 0) {
|
/* cd /... */
|
/* cd /... */
|
while (current != NULL && device_parent(current) != NULL)
|
while (current != NULL && device_parent(current) != NULL)
|
current = device_parent(current);
|
current = device_parent(current);
|
spec->path += strlen("/");
|
spec->path += strlen("/");
|
}
|
}
|
else if (strncmp(spec->path, "./", strlen("./")) == 0) {
|
else if (strncmp(spec->path, "./", strlen("./")) == 0) {
|
/* cd ./... */
|
/* cd ./... */
|
current = current;
|
current = current;
|
spec->path += strlen("./");
|
spec->path += strlen("./");
|
}
|
}
|
else if (strncmp(spec->path, "../", strlen("../")) == 0) {
|
else if (strncmp(spec->path, "../", strlen("../")) == 0) {
|
/* cd ../... */
|
/* cd ../... */
|
if (current != NULL && device_parent(current) != NULL)
|
if (current != NULL && device_parent(current) != NULL)
|
current = device_parent(current);
|
current = device_parent(current);
|
spec->path += strlen("../");
|
spec->path += strlen("../");
|
}
|
}
|
else if (strcmp(spec->path, ".") == 0) {
|
else if (strcmp(spec->path, ".") == 0) {
|
/* cd . */
|
/* cd . */
|
current = current;
|
current = current;
|
spec->path += strlen(".");
|
spec->path += strlen(".");
|
}
|
}
|
else if (strcmp(spec->path, "..") == 0) {
|
else if (strcmp(spec->path, "..") == 0) {
|
/* cd . */
|
/* cd . */
|
if (current != NULL && device_parent(current) != NULL)
|
if (current != NULL && device_parent(current) != NULL)
|
current = device_parent(current);
|
current = device_parent(current);
|
spec->path += strlen("..");
|
spec->path += strlen("..");
|
}
|
}
|
else
|
else
|
break;
|
break;
|
}
|
}
|
|
|
/* now go through the path proper */
|
/* now go through the path proper */
|
|
|
if (current == NULL) {
|
if (current == NULL) {
|
split_device_name(spec);
|
split_device_name(spec);
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
while (split_device_name(spec)) {
|
while (split_device_name(spec)) {
|
device *child;
|
device *child;
|
for (child = device_child(current);
|
for (child = device_child(current);
|
child != NULL; child = device_sibling(child)) {
|
child != NULL; child = device_sibling(child)) {
|
if (strcmp(spec->name, device_name(child)) == 0) {
|
if (strcmp(spec->name, device_name(child)) == 0) {
|
if (spec->unit == NULL)
|
if (spec->unit == NULL)
|
break;
|
break;
|
else {
|
else {
|
device_unit phys;
|
device_unit phys;
|
device_decode_unit(current, spec->unit, &phys);
|
device_decode_unit(current, spec->unit, &phys);
|
if (memcmp(&phys, device_unit_address(child),
|
if (memcmp(&phys, device_unit_address(child),
|
sizeof(device_unit)) == 0)
|
sizeof(device_unit)) == 0)
|
break;
|
break;
|
}
|
}
|
}
|
}
|
}
|
}
|
if (child == NULL)
|
if (child == NULL)
|
return current; /* search failed */
|
return current; /* search failed */
|
current = child;
|
current = child;
|
}
|
}
|
|
|
return current;
|
return current;
|
}
|
}
|
|
|
|
|
STATIC_INLINE_TREE\
|
STATIC_INLINE_TREE\
|
(device *)
|
(device *)
|
split_fill_path(device *current,
|
split_fill_path(device *current,
|
const char *device_specifier,
|
const char *device_specifier,
|
name_specifier *spec)
|
name_specifier *spec)
|
{
|
{
|
/* break it up */
|
/* break it up */
|
if (!split_device_specifier(current, device_specifier, spec))
|
if (!split_device_specifier(current, device_specifier, spec))
|
device_error(current, "error parsing %s\n", device_specifier);
|
device_error(current, "error parsing %s\n", device_specifier);
|
|
|
/* fill our tree with its contents */
|
/* fill our tree with its contents */
|
current = split_find_device(current, spec);
|
current = split_find_device(current, spec);
|
|
|
/* add any additional devices as needed */
|
/* add any additional devices as needed */
|
if (spec->name != NULL) {
|
if (spec->name != NULL) {
|
do {
|
do {
|
current = device_create(current, spec->base, spec->name,
|
current = device_create(current, spec->base, spec->name,
|
spec->unit, spec->args);
|
spec->unit, spec->args);
|
} while (split_device_name(spec));
|
} while (split_device_name(spec));
|
}
|
}
|
|
|
return current;
|
return current;
|
}
|
}
|
|
|
|
|
INLINE_TREE\
|
INLINE_TREE\
|
(void)
|
(void)
|
tree_init(device *root,
|
tree_init(device *root,
|
psim *system)
|
psim *system)
|
{
|
{
|
TRACE(trace_device_tree, ("tree_init(root=0x%lx, system=0x%lx)\n",
|
TRACE(trace_device_tree, ("tree_init(root=0x%lx, system=0x%lx)\n",
|
(long)root,
|
(long)root,
|
(long)system));
|
(long)system));
|
/* remove the old, rebuild the new */
|
/* remove the old, rebuild the new */
|
tree_traverse(root, device_clean, NULL, system);
|
tree_traverse(root, device_clean, NULL, system);
|
tree_traverse(root, device_init_static_properties, NULL, system);
|
tree_traverse(root, device_init_static_properties, NULL, system);
|
tree_traverse(root, device_init_address, NULL, system);
|
tree_traverse(root, device_init_address, NULL, system);
|
tree_traverse(root, device_init_runtime_properties, NULL, system);
|
tree_traverse(root, device_init_runtime_properties, NULL, system);
|
tree_traverse(root, device_init_data, NULL, system);
|
tree_traverse(root, device_init_data, NULL, system);
|
}
|
}
|
|
|
|
|
|
|
/* <non-white-space> */
|
/* <non-white-space> */
|
|
|
STATIC_INLINE_TREE\
|
STATIC_INLINE_TREE\
|
(const char *)
|
(const char *)
|
skip_token(const char *chp)
|
skip_token(const char *chp)
|
{
|
{
|
while (!isspace(*chp) && *chp != '\0')
|
while (!isspace(*chp) && *chp != '\0')
|
chp++;
|
chp++;
|
while (isspace(*chp) && *chp != '\0')
|
while (isspace(*chp) && *chp != '\0')
|
chp++;
|
chp++;
|
return chp;
|
return chp;
|
}
|
}
|
|
|
|
|
/* count the number of entries */
|
/* count the number of entries */
|
|
|
STATIC_INLINE_TREE\
|
STATIC_INLINE_TREE\
|
(int)
|
(int)
|
count_entries(device *current,
|
count_entries(device *current,
|
const char *property_name,
|
const char *property_name,
|
const char *property_value,
|
const char *property_value,
|
int modulo)
|
int modulo)
|
{
|
{
|
const char *chp = property_value;
|
const char *chp = property_value;
|
int nr_entries = 0;
|
int nr_entries = 0;
|
while (*chp != '\0') {
|
while (*chp != '\0') {
|
nr_entries += 1;
|
nr_entries += 1;
|
chp = skip_token(chp);
|
chp = skip_token(chp);
|
}
|
}
|
if ((nr_entries % modulo) != 0) {
|
if ((nr_entries % modulo) != 0) {
|
device_error(current, "incorrect number of entries for %s property %s, should be multiple of %d",
|
device_error(current, "incorrect number of entries for %s property %s, should be multiple of %d",
|
property_name, property_value, modulo);
|
property_name, property_value, modulo);
|
}
|
}
|
return nr_entries / modulo;
|
return nr_entries / modulo;
|
}
|
}
|
|
|
|
|
|
|
/* parse: <address> ::= <token> ; device dependant */
|
/* parse: <address> ::= <token> ; device dependant */
|
|
|
STATIC_INLINE_TREE\
|
STATIC_INLINE_TREE\
|
(const char *)
|
(const char *)
|
parse_address(device *current,
|
parse_address(device *current,
|
device *bus,
|
device *bus,
|
const char *chp,
|
const char *chp,
|
device_unit *address)
|
device_unit *address)
|
{
|
{
|
ASSERT(device_nr_address_cells(bus) > 0);
|
ASSERT(device_nr_address_cells(bus) > 0);
|
if (device_decode_unit(bus, chp, address) < 0)
|
if (device_decode_unit(bus, chp, address) < 0)
|
device_error(current, "invalid unit address in %s", chp);
|
device_error(current, "invalid unit address in %s", chp);
|
return skip_token(chp);
|
return skip_token(chp);
|
}
|
}
|
|
|
|
|
/* parse: <size> ::= <number> { "," <number> } ; */
|
/* parse: <size> ::= <number> { "," <number> } ; */
|
|
|
STATIC_INLINE_TREE\
|
STATIC_INLINE_TREE\
|
(const char *)
|
(const char *)
|
parse_size(device *current,
|
parse_size(device *current,
|
device *bus,
|
device *bus,
|
const char *chp,
|
const char *chp,
|
device_unit *size)
|
device_unit *size)
|
{
|
{
|
int i;
|
int i;
|
int nr;
|
int nr;
|
const char *curr = chp;
|
const char *curr = chp;
|
memset(size, 0, sizeof(*size));
|
memset(size, 0, sizeof(*size));
|
/* parse the numeric list */
|
/* parse the numeric list */
|
size->nr_cells = device_nr_size_cells(bus);
|
size->nr_cells = device_nr_size_cells(bus);
|
nr = 0;
|
nr = 0;
|
ASSERT(size->nr_cells > 0);
|
ASSERT(size->nr_cells > 0);
|
while (1) {
|
while (1) {
|
char *next;
|
char *next;
|
size->cells[nr] = strtoul(curr, &next, 0);
|
size->cells[nr] = strtoul(curr, &next, 0);
|
if (curr == next)
|
if (curr == next)
|
device_error(current, "Problem parsing <size> %s", chp);
|
device_error(current, "Problem parsing <size> %s", chp);
|
nr += 1;
|
nr += 1;
|
if (next[0] != ',')
|
if (next[0] != ',')
|
break;
|
break;
|
if (nr == size->nr_cells)
|
if (nr == size->nr_cells)
|
device_error(current, "Too many values in <size> %s", chp);
|
device_error(current, "Too many values in <size> %s", chp);
|
curr = next + 1;
|
curr = next + 1;
|
}
|
}
|
ASSERT(nr > 0 && nr <= size->nr_cells);
|
ASSERT(nr > 0 && nr <= size->nr_cells);
|
/* right align the numbers */
|
/* right align the numbers */
|
for (i = 1; i <= size->nr_cells; i++) {
|
for (i = 1; i <= size->nr_cells; i++) {
|
if (i <= nr)
|
if (i <= nr)
|
size->cells[size->nr_cells - i] = size->cells[nr - i];
|
size->cells[size->nr_cells - i] = size->cells[nr - i];
|
else
|
else
|
size->cells[size->nr_cells - i] = 0;
|
size->cells[size->nr_cells - i] = 0;
|
}
|
}
|
return skip_token(chp);
|
return skip_token(chp);
|
}
|
}
|
|
|
|
|
/* parse: <reg> ::= { <address> <size> } ; */
|
/* parse: <reg> ::= { <address> <size> } ; */
|
|
|
STATIC_INLINE_TREE\
|
STATIC_INLINE_TREE\
|
(void)
|
(void)
|
parse_reg_property(device *current,
|
parse_reg_property(device *current,
|
const char *property_name,
|
const char *property_name,
|
const char *property_value)
|
const char *property_value)
|
{
|
{
|
int nr_regs;
|
int nr_regs;
|
int reg_nr;
|
int reg_nr;
|
reg_property_spec *regs;
|
reg_property_spec *regs;
|
const char *chp;
|
const char *chp;
|
device *bus = device_parent(current);
|
device *bus = device_parent(current);
|
|
|
/* determine the number of reg entries by counting tokens */
|
/* determine the number of reg entries by counting tokens */
|
nr_regs = count_entries(current, property_name, property_value,
|
nr_regs = count_entries(current, property_name, property_value,
|
1 + (device_nr_size_cells(bus) > 0));
|
1 + (device_nr_size_cells(bus) > 0));
|
|
|
/* create working space */
|
/* create working space */
|
regs = zalloc(nr_regs * sizeof(*regs));
|
regs = zalloc(nr_regs * sizeof(*regs));
|
|
|
/* fill it in */
|
/* fill it in */
|
chp = property_value;
|
chp = property_value;
|
for (reg_nr = 0; reg_nr < nr_regs; reg_nr++) {
|
for (reg_nr = 0; reg_nr < nr_regs; reg_nr++) {
|
chp = parse_address(current, bus, chp, ®s[reg_nr].address);
|
chp = parse_address(current, bus, chp, ®s[reg_nr].address);
|
if (device_nr_size_cells(bus) > 0)
|
if (device_nr_size_cells(bus) > 0)
|
chp = parse_size(current, bus, chp, ®s[reg_nr].size);
|
chp = parse_size(current, bus, chp, ®s[reg_nr].size);
|
else
|
else
|
memset(®s[reg_nr].size, 0, sizeof (®s[reg_nr].size));
|
memset(®s[reg_nr].size, 0, sizeof (®s[reg_nr].size));
|
}
|
}
|
|
|
/* create it */
|
/* create it */
|
device_add_reg_array_property(current, property_name,
|
device_add_reg_array_property(current, property_name,
|
regs, nr_regs);
|
regs, nr_regs);
|
|
|
zfree(regs);
|
zfree(regs);
|
}
|
}
|
|
|
|
|
/* { <child-address> <parent-address> <child-size> }* */
|
/* { <child-address> <parent-address> <child-size> }* */
|
|
|
STATIC_INLINE_TREE\
|
STATIC_INLINE_TREE\
|
(void)
|
(void)
|
parse_ranges_property(device *current,
|
parse_ranges_property(device *current,
|
const char *property_name,
|
const char *property_name,
|
const char *property_value)
|
const char *property_value)
|
{
|
{
|
int nr_ranges;
|
int nr_ranges;
|
int range_nr;
|
int range_nr;
|
range_property_spec *ranges;
|
range_property_spec *ranges;
|
const char *chp;
|
const char *chp;
|
|
|
/* determine the number of ranges specified */
|
/* determine the number of ranges specified */
|
nr_ranges = count_entries(current, property_name, property_value, 3);
|
nr_ranges = count_entries(current, property_name, property_value, 3);
|
|
|
/* create a property of that size */
|
/* create a property of that size */
|
ranges = zalloc(nr_ranges * sizeof(*ranges));
|
ranges = zalloc(nr_ranges * sizeof(*ranges));
|
|
|
/* fill it in */
|
/* fill it in */
|
chp = property_value;
|
chp = property_value;
|
for (range_nr = 0; range_nr < nr_ranges; range_nr++) {
|
for (range_nr = 0; range_nr < nr_ranges; range_nr++) {
|
chp = parse_address(current, current,
|
chp = parse_address(current, current,
|
chp, &ranges[range_nr].child_address);
|
chp, &ranges[range_nr].child_address);
|
chp = parse_address(current, device_parent(current),
|
chp = parse_address(current, device_parent(current),
|
chp, &ranges[range_nr].parent_address);
|
chp, &ranges[range_nr].parent_address);
|
chp = parse_size(current, current,
|
chp = parse_size(current, current,
|
chp, &ranges[range_nr].size);
|
chp, &ranges[range_nr].size);
|
}
|
}
|
|
|
/* create it */
|
/* create it */
|
device_add_range_array_property(current, property_name, ranges, nr_ranges);
|
device_add_range_array_property(current, property_name, ranges, nr_ranges);
|
|
|
zfree(ranges);
|
zfree(ranges);
|
}
|
}
|
|
|
|
|
/* <integer> ... */
|
/* <integer> ... */
|
|
|
STATIC_INLINE_TREE\
|
STATIC_INLINE_TREE\
|
(void)
|
(void)
|
parse_integer_property(device *current,
|
parse_integer_property(device *current,
|
const char *property_name,
|
const char *property_name,
|
const char *property_value)
|
const char *property_value)
|
{
|
{
|
int nr_entries;
|
int nr_entries;
|
unsigned_cell words[1024];
|
unsigned_cell words[1024];
|
/* integer or integer array? */
|
/* integer or integer array? */
|
nr_entries = 0;
|
nr_entries = 0;
|
while (1) {
|
while (1) {
|
char *end;
|
char *end;
|
words[nr_entries] = strtoul(property_value, &end, 0);
|
words[nr_entries] = strtoul(property_value, &end, 0);
|
if (property_value == end)
|
if (property_value == end)
|
break;
|
break;
|
nr_entries += 1;
|
nr_entries += 1;
|
if (nr_entries * sizeof(words[0]) >= sizeof(words))
|
if (nr_entries * sizeof(words[0]) >= sizeof(words))
|
device_error(current, "buffer overflow");
|
device_error(current, "buffer overflow");
|
property_value = end;
|
property_value = end;
|
}
|
}
|
if (nr_entries == 0)
|
if (nr_entries == 0)
|
device_error(current, "error parsing integer property %s (%s)",
|
device_error(current, "error parsing integer property %s (%s)",
|
property_name, property_value);
|
property_name, property_value);
|
else if (nr_entries == 1)
|
else if (nr_entries == 1)
|
device_add_integer_property(current, property_name, words[0]);
|
device_add_integer_property(current, property_name, words[0]);
|
else {
|
else {
|
int i;
|
int i;
|
for (i = 0; i < nr_entries; i++) {
|
for (i = 0; i < nr_entries; i++) {
|
H2BE(words[i]);
|
H2BE(words[i]);
|
}
|
}
|
/* perhaps integer array property is better */
|
/* perhaps integer array property is better */
|
device_add_array_property(current, property_name, words,
|
device_add_array_property(current, property_name, words,
|
sizeof(words[0]) * nr_entries);
|
sizeof(words[0]) * nr_entries);
|
}
|
}
|
}
|
}
|
|
|
/* PROPERTY_VALUE is a raw property value. Quote it as required by
|
/* PROPERTY_VALUE is a raw property value. Quote it as required by
|
parse_string_property. It is the caller's responsibility to free
|
parse_string_property. It is the caller's responsibility to free
|
the memory returned. */
|
the memory returned. */
|
|
|
EXTERN_TREE\
|
EXTERN_TREE\
|
(char *)
|
(char *)
|
tree_quote_property(const char *property_value)
|
tree_quote_property(const char *property_value)
|
{
|
{
|
char *p;
|
char *p;
|
char *ret;
|
char *ret;
|
const char *chp;
|
const char *chp;
|
int quotees;
|
int quotees;
|
|
|
/* Count characters needing quotes in PROPERTY_VALUE. */
|
/* Count characters needing quotes in PROPERTY_VALUE. */
|
quotees = 0;
|
quotees = 0;
|
for (chp = property_value; *chp; ++chp)
|
for (chp = property_value; *chp; ++chp)
|
if (*chp == '\\' || *chp == '"')
|
if (*chp == '\\' || *chp == '"')
|
++quotees;
|
++quotees;
|
|
|
ret = (char *) xmalloc (strlen (property_value)
|
ret = (char *) xmalloc (strlen (property_value)
|
+ 2 /* quotes */
|
+ 2 /* quotes */
|
+ quotees
|
+ quotees
|
+ 1 /* terminator */);
|
+ 1 /* terminator */);
|
|
|
p = ret;
|
p = ret;
|
/* Add the opening quote. */
|
/* Add the opening quote. */
|
*p++ = '"';
|
*p++ = '"';
|
/* Copy the value. */
|
/* Copy the value. */
|
for (chp = property_value; *chp; ++chp)
|
for (chp = property_value; *chp; ++chp)
|
if (*chp == '\\' || *chp == '"')
|
if (*chp == '\\' || *chp == '"')
|
{
|
{
|
/* Quote this character. */
|
/* Quote this character. */
|
*p++ = '\\';
|
*p++ = '\\';
|
*p++ = *chp;
|
*p++ = *chp;
|
}
|
}
|
else
|
else
|
*p++ = *chp;
|
*p++ = *chp;
|
/* Add the closing quote. */
|
/* Add the closing quote. */
|
*p++ = '"';
|
*p++ = '"';
|
/* Terminate the string. */
|
/* Terminate the string. */
|
*p++ = '\0';
|
*p++ = '\0';
|
|
|
return ret;
|
return ret;
|
}
|
}
|
|
|
/* <string> ... */
|
/* <string> ... */
|
|
|
STATIC_INLINE_TREE\
|
STATIC_INLINE_TREE\
|
(void)
|
(void)
|
parse_string_property(device *current,
|
parse_string_property(device *current,
|
const char *property_name,
|
const char *property_name,
|
const char *property_value)
|
const char *property_value)
|
{
|
{
|
char **strings;
|
char **strings;
|
const char *chp;
|
const char *chp;
|
int nr_strings;
|
int nr_strings;
|
int approx_nr_strings;
|
int approx_nr_strings;
|
|
|
/* get an estimate as to the number of strings by counting double
|
/* get an estimate as to the number of strings by counting double
|
quotes */
|
quotes */
|
approx_nr_strings = 2;
|
approx_nr_strings = 2;
|
for (chp = property_value; *chp; chp++) {
|
for (chp = property_value; *chp; chp++) {
|
if (*chp == '"')
|
if (*chp == '"')
|
approx_nr_strings++;
|
approx_nr_strings++;
|
}
|
}
|
approx_nr_strings = (approx_nr_strings) / 2;
|
approx_nr_strings = (approx_nr_strings) / 2;
|
|
|
/* create a string buffer for that many (plus a null) */
|
/* create a string buffer for that many (plus a null) */
|
strings = (char**)zalloc((approx_nr_strings + 1) * sizeof(char*));
|
strings = (char**)zalloc((approx_nr_strings + 1) * sizeof(char*));
|
|
|
/* now find all the strings */
|
/* now find all the strings */
|
chp = property_value;
|
chp = property_value;
|
nr_strings = 0;
|
nr_strings = 0;
|
while (1) {
|
while (1) {
|
|
|
/* skip leading space */
|
/* skip leading space */
|
while (*chp != '\0' && isspace(*chp))
|
while (*chp != '\0' && isspace(*chp))
|
chp += 1;
|
chp += 1;
|
if (*chp == '\0')
|
if (*chp == '\0')
|
break;
|
break;
|
|
|
/* copy it in */
|
/* copy it in */
|
if (*chp == '"') {
|
if (*chp == '"') {
|
/* a quoted string - watch for '\' et.al. */
|
/* a quoted string - watch for '\' et.al. */
|
/* estimate the size and allocate space for it */
|
/* estimate the size and allocate space for it */
|
int pos;
|
int pos;
|
chp++;
|
chp++;
|
pos = 0;
|
pos = 0;
|
while (chp[pos] != '\0' && chp[pos] != '"') {
|
while (chp[pos] != '\0' && chp[pos] != '"') {
|
if (chp[pos] == '\\' && chp[pos+1] != '\0')
|
if (chp[pos] == '\\' && chp[pos+1] != '\0')
|
pos += 2;
|
pos += 2;
|
else
|
else
|
pos += 1;
|
pos += 1;
|
}
|
}
|
strings[nr_strings] = zalloc(pos + 1);
|
strings[nr_strings] = zalloc(pos + 1);
|
/* copy the string over */
|
/* copy the string over */
|
pos = 0;
|
pos = 0;
|
while (*chp != '\0' && *chp != '"') {
|
while (*chp != '\0' && *chp != '"') {
|
if (*chp == '\\' && *(chp+1) != '\0') {
|
if (*chp == '\\' && *(chp+1) != '\0') {
|
strings[nr_strings][pos] = *(chp+1);
|
strings[nr_strings][pos] = *(chp+1);
|
chp += 2;
|
chp += 2;
|
pos++;
|
pos++;
|
}
|
}
|
else {
|
else {
|
strings[nr_strings][pos] = *chp;
|
strings[nr_strings][pos] = *chp;
|
chp += 1;
|
chp += 1;
|
pos++;
|
pos++;
|
}
|
}
|
}
|
}
|
if (*chp != '\0')
|
if (*chp != '\0')
|
chp++;
|
chp++;
|
strings[nr_strings][pos] = '\0';
|
strings[nr_strings][pos] = '\0';
|
}
|
}
|
else {
|
else {
|
/* copy over a single unquoted token */
|
/* copy over a single unquoted token */
|
int len = 0;
|
int len = 0;
|
while (chp[len] != '\0' && !isspace(chp[len]))
|
while (chp[len] != '\0' && !isspace(chp[len]))
|
len++;
|
len++;
|
strings[nr_strings] = zalloc(len + 1);
|
strings[nr_strings] = zalloc(len + 1);
|
strncpy(strings[nr_strings], chp, len);
|
strncpy(strings[nr_strings], chp, len);
|
strings[nr_strings][len] = '\0';
|
strings[nr_strings][len] = '\0';
|
chp += len;
|
chp += len;
|
}
|
}
|
nr_strings++;
|
nr_strings++;
|
if (nr_strings > approx_nr_strings)
|
if (nr_strings > approx_nr_strings)
|
device_error(current, "String property %s badly formatted",
|
device_error(current, "String property %s badly formatted",
|
property_name);
|
property_name);
|
}
|
}
|
ASSERT(strings[nr_strings] == NULL); /* from zalloc */
|
ASSERT(strings[nr_strings] == NULL); /* from zalloc */
|
|
|
/* install it */
|
/* install it */
|
if (nr_strings == 0)
|
if (nr_strings == 0)
|
device_add_string_property(current, property_name, "");
|
device_add_string_property(current, property_name, "");
|
else if (nr_strings == 1)
|
else if (nr_strings == 1)
|
device_add_string_property(current, property_name, strings[0]);
|
device_add_string_property(current, property_name, strings[0]);
|
else {
|
else {
|
const char **specs = (const char**)strings; /* stop a bogus error */
|
const char **specs = (const char**)strings; /* stop a bogus error */
|
device_add_string_array_property(current, property_name,
|
device_add_string_array_property(current, property_name,
|
specs, nr_strings);
|
specs, nr_strings);
|
}
|
}
|
|
|
/* flush the created string */
|
/* flush the created string */
|
while (nr_strings > 0) {
|
while (nr_strings > 0) {
|
nr_strings--;
|
nr_strings--;
|
zfree(strings[nr_strings]);
|
zfree(strings[nr_strings]);
|
}
|
}
|
zfree(strings);
|
zfree(strings);
|
}
|
}
|
|
|
|
|
/* <path-to-ihandle-device> */
|
/* <path-to-ihandle-device> */
|
|
|
STATIC_INLINE_TREE\
|
STATIC_INLINE_TREE\
|
(void)
|
(void)
|
parse_ihandle_property(device *current,
|
parse_ihandle_property(device *current,
|
const char *property,
|
const char *property,
|
const char *value)
|
const char *value)
|
{
|
{
|
ihandle_runtime_property_spec ihandle;
|
ihandle_runtime_property_spec ihandle;
|
|
|
/* pass the full path */
|
/* pass the full path */
|
ihandle.full_path = value;
|
ihandle.full_path = value;
|
|
|
/* save this ready for the ihandle create */
|
/* save this ready for the ihandle create */
|
device_add_ihandle_runtime_property(current, property,
|
device_add_ihandle_runtime_property(current, property,
|
&ihandle);
|
&ihandle);
|
}
|
}
|
|
|
|
|
|
|
EXTERN_TREE\
|
EXTERN_TREE\
|
(device *)
|
(device *)
|
tree_parse(device *current,
|
tree_parse(device *current,
|
const char *fmt,
|
const char *fmt,
|
...)
|
...)
|
{
|
{
|
char device_specifier[1024];
|
char device_specifier[1024];
|
name_specifier spec;
|
name_specifier spec;
|
|
|
/* format the path */
|
/* format the path */
|
{
|
{
|
va_list ap;
|
va_list ap;
|
va_start(ap, fmt);
|
va_start(ap, fmt);
|
vsprintf(device_specifier, fmt, ap);
|
vsprintf(device_specifier, fmt, ap);
|
va_end(ap);
|
va_end(ap);
|
if (strlen(device_specifier) >= sizeof(device_specifier))
|
if (strlen(device_specifier) >= sizeof(device_specifier))
|
error("device_tree_add_deviced: buffer overflow\n");
|
error("device_tree_add_deviced: buffer overflow\n");
|
}
|
}
|
|
|
/* construct the tree down to the final device */
|
/* construct the tree down to the final device */
|
current = split_fill_path(current, device_specifier, &spec);
|
current = split_fill_path(current, device_specifier, &spec);
|
|
|
/* is there an interrupt spec */
|
/* is there an interrupt spec */
|
if (spec.property == NULL
|
if (spec.property == NULL
|
&& spec.value != NULL) {
|
&& spec.value != NULL) {
|
char *op = split_value(&spec);
|
char *op = split_value(&spec);
|
switch (op[0]) {
|
switch (op[0]) {
|
case '>':
|
case '>':
|
{
|
{
|
char *my_port_name = split_value(&spec);
|
char *my_port_name = split_value(&spec);
|
int my_port;
|
int my_port;
|
char *dest_port_name = split_value(&spec);
|
char *dest_port_name = split_value(&spec);
|
int dest_port;
|
int dest_port;
|
name_specifier dest_spec;
|
name_specifier dest_spec;
|
char *dest_device_name = split_value(&spec);
|
char *dest_device_name = split_value(&spec);
|
device *dest;
|
device *dest;
|
/* find my name */
|
/* find my name */
|
my_port = device_interrupt_decode(current, my_port_name,
|
my_port = device_interrupt_decode(current, my_port_name,
|
output_port);
|
output_port);
|
/* find the dest device and port */
|
/* find the dest device and port */
|
dest = split_fill_path(current, dest_device_name, &dest_spec);
|
dest = split_fill_path(current, dest_device_name, &dest_spec);
|
dest_port = device_interrupt_decode(dest, dest_port_name,
|
dest_port = device_interrupt_decode(dest, dest_port_name,
|
input_port);
|
input_port);
|
/* connect the two */
|
/* connect the two */
|
device_interrupt_attach(current,
|
device_interrupt_attach(current,
|
my_port,
|
my_port,
|
dest,
|
dest,
|
dest_port,
|
dest_port,
|
permenant_object);
|
permenant_object);
|
}
|
}
|
break;
|
break;
|
default:
|
default:
|
device_error(current, "unreconised interrupt spec %s\n", spec.value);
|
device_error(current, "unreconised interrupt spec %s\n", spec.value);
|
break;
|
break;
|
}
|
}
|
}
|
}
|
|
|
/* is there a property */
|
/* is there a property */
|
if (spec.property != NULL) {
|
if (spec.property != NULL) {
|
if (strcmp(spec.value, "true") == 0)
|
if (strcmp(spec.value, "true") == 0)
|
device_add_boolean_property(current, spec.property, 1);
|
device_add_boolean_property(current, spec.property, 1);
|
else if (strcmp(spec.value, "false") == 0)
|
else if (strcmp(spec.value, "false") == 0)
|
device_add_boolean_property(current, spec.property, 0);
|
device_add_boolean_property(current, spec.property, 0);
|
else {
|
else {
|
const device_property *property;
|
const device_property *property;
|
switch (spec.value[0]) {
|
switch (spec.value[0]) {
|
case '*':
|
case '*':
|
parse_ihandle_property(current, spec.property, spec.value + 1);
|
parse_ihandle_property(current, spec.property, spec.value + 1);
|
break;
|
break;
|
case '[':
|
case '[':
|
{
|
{
|
unsigned8 words[1024];
|
unsigned8 words[1024];
|
char *curr = spec.value + 1;
|
char *curr = spec.value + 1;
|
int nr_words = 0;
|
int nr_words = 0;
|
while (1) {
|
while (1) {
|
char *next;
|
char *next;
|
words[nr_words] = H2BE_1(strtoul(curr, &next, 0));
|
words[nr_words] = H2BE_1(strtoul(curr, &next, 0));
|
if (curr == next)
|
if (curr == next)
|
break;
|
break;
|
curr = next;
|
curr = next;
|
nr_words += 1;
|
nr_words += 1;
|
}
|
}
|
device_add_array_property(current, spec.property,
|
device_add_array_property(current, spec.property,
|
words, sizeof(words[0]) * nr_words);
|
words, sizeof(words[0]) * nr_words);
|
}
|
}
|
break;
|
break;
|
case '"':
|
case '"':
|
parse_string_property(current, spec.property, spec.value);
|
parse_string_property(current, spec.property, spec.value);
|
break;
|
break;
|
case '!':
|
case '!':
|
spec.value++;
|
spec.value++;
|
property = tree_find_property(current, spec.value);
|
property = tree_find_property(current, spec.value);
|
if (property == NULL)
|
if (property == NULL)
|
device_error(current, "property %s not found\n", spec.value);
|
device_error(current, "property %s not found\n", spec.value);
|
device_add_duplicate_property(current,
|
device_add_duplicate_property(current,
|
spec.property,
|
spec.property,
|
property);
|
property);
|
break;
|
break;
|
default:
|
default:
|
if (strcmp(spec.property, "reg") == 0
|
if (strcmp(spec.property, "reg") == 0
|
|| strcmp(spec.property, "assigned-addresses") == 0
|
|| strcmp(spec.property, "assigned-addresses") == 0
|
|| strcmp(spec.property, "alternate-reg") == 0){
|
|| strcmp(spec.property, "alternate-reg") == 0){
|
parse_reg_property(current, spec.property, spec.value);
|
parse_reg_property(current, spec.property, spec.value);
|
}
|
}
|
else if (strcmp(spec.property, "ranges") == 0) {
|
else if (strcmp(spec.property, "ranges") == 0) {
|
parse_ranges_property(current, spec.property, spec.value);
|
parse_ranges_property(current, spec.property, spec.value);
|
}
|
}
|
else if (isdigit(spec.value[0])
|
else if (isdigit(spec.value[0])
|
|| (spec.value[0] == '-' && isdigit(spec.value[1]))
|
|| (spec.value[0] == '-' && isdigit(spec.value[1]))
|
|| (spec.value[0] == '+' && isdigit(spec.value[1]))) {
|
|| (spec.value[0] == '+' && isdigit(spec.value[1]))) {
|
parse_integer_property(current, spec.property, spec.value);
|
parse_integer_property(current, spec.property, spec.value);
|
}
|
}
|
else
|
else
|
parse_string_property(current, spec.property, spec.value);
|
parse_string_property(current, spec.property, spec.value);
|
break;
|
break;
|
}
|
}
|
}
|
}
|
}
|
}
|
return current;
|
return current;
|
}
|
}
|
|
|
|
|
INLINE_TREE\
|
INLINE_TREE\
|
(void)
|
(void)
|
tree_traverse(device *root,
|
tree_traverse(device *root,
|
tree_traverse_function *prefix,
|
tree_traverse_function *prefix,
|
tree_traverse_function *postfix,
|
tree_traverse_function *postfix,
|
void *data)
|
void *data)
|
{
|
{
|
device *child;
|
device *child;
|
if (prefix != NULL)
|
if (prefix != NULL)
|
prefix(root, data);
|
prefix(root, data);
|
for (child = device_child(root);
|
for (child = device_child(root);
|
child != NULL;
|
child != NULL;
|
child = device_sibling(child)) {
|
child = device_sibling(child)) {
|
tree_traverse(child, prefix, postfix, data);
|
tree_traverse(child, prefix, postfix, data);
|
}
|
}
|
if (postfix != NULL)
|
if (postfix != NULL)
|
postfix(root, data);
|
postfix(root, data);
|
}
|
}
|
|
|
|
|
STATIC_INLINE_TREE\
|
STATIC_INLINE_TREE\
|
(void)
|
(void)
|
print_address(device *bus,
|
print_address(device *bus,
|
const device_unit *phys)
|
const device_unit *phys)
|
{
|
{
|
char unit[32];
|
char unit[32];
|
device_encode_unit(bus, phys, unit, sizeof(unit));
|
device_encode_unit(bus, phys, unit, sizeof(unit));
|
printf_filtered(" %s", unit);
|
printf_filtered(" %s", unit);
|
}
|
}
|
|
|
STATIC_INLINE_TREE\
|
STATIC_INLINE_TREE\
|
(void)
|
(void)
|
print_size(device *bus,
|
print_size(device *bus,
|
const device_unit *size)
|
const device_unit *size)
|
{
|
{
|
int i;
|
int i;
|
for (i = 0; i < size->nr_cells; i++)
|
for (i = 0; i < size->nr_cells; i++)
|
if (size->cells[i] != 0)
|
if (size->cells[i] != 0)
|
break;
|
break;
|
if (i < size->nr_cells) {
|
if (i < size->nr_cells) {
|
printf_filtered(" 0x%lx", (unsigned long)size->cells[i]);
|
printf_filtered(" 0x%lx", (unsigned long)size->cells[i]);
|
i++;
|
i++;
|
for (; i < size->nr_cells; i++)
|
for (; i < size->nr_cells; i++)
|
printf_filtered(",0x%lx", (unsigned long)size->cells[i]);
|
printf_filtered(",0x%lx", (unsigned long)size->cells[i]);
|
}
|
}
|
else
|
else
|
printf_filtered(" 0");
|
printf_filtered(" 0");
|
}
|
}
|
|
|
STATIC_INLINE_TREE\
|
STATIC_INLINE_TREE\
|
(void)
|
(void)
|
print_reg_property(device *me,
|
print_reg_property(device *me,
|
const device_property *property)
|
const device_property *property)
|
{
|
{
|
int reg_nr;
|
int reg_nr;
|
reg_property_spec reg;
|
reg_property_spec reg;
|
for (reg_nr = 0;
|
for (reg_nr = 0;
|
device_find_reg_array_property(me, property->name, reg_nr, ®);
|
device_find_reg_array_property(me, property->name, reg_nr, ®);
|
reg_nr++) {
|
reg_nr++) {
|
print_address(device_parent(me), ®.address);
|
print_address(device_parent(me), ®.address);
|
print_size(me, ®.size);
|
print_size(me, ®.size);
|
}
|
}
|
}
|
}
|
|
|
STATIC_INLINE_TREE\
|
STATIC_INLINE_TREE\
|
(void)
|
(void)
|
print_ranges_property(device *me,
|
print_ranges_property(device *me,
|
const device_property *property)
|
const device_property *property)
|
{
|
{
|
int range_nr;
|
int range_nr;
|
range_property_spec range;
|
range_property_spec range;
|
for (range_nr = 0;
|
for (range_nr = 0;
|
device_find_range_array_property(me, property->name, range_nr, &range);
|
device_find_range_array_property(me, property->name, range_nr, &range);
|
range_nr++) {
|
range_nr++) {
|
print_address(me, &range.child_address);
|
print_address(me, &range.child_address);
|
print_address(device_parent(me), &range.parent_address);
|
print_address(device_parent(me), &range.parent_address);
|
print_size(me, &range.size);
|
print_size(me, &range.size);
|
}
|
}
|
}
|
}
|
|
|
STATIC_INLINE_TREE\
|
STATIC_INLINE_TREE\
|
(void)
|
(void)
|
print_string(const char *string)
|
print_string(const char *string)
|
{
|
{
|
printf_filtered(" \"");
|
printf_filtered(" \"");
|
while (*string != '\0') {
|
while (*string != '\0') {
|
switch (*string) {
|
switch (*string) {
|
case '"':
|
case '"':
|
printf_filtered("\\\"");
|
printf_filtered("\\\"");
|
break;
|
break;
|
case '\\':
|
case '\\':
|
printf_filtered("\\\\");
|
printf_filtered("\\\\");
|
break;
|
break;
|
default:
|
default:
|
printf_filtered("%c", *string);
|
printf_filtered("%c", *string);
|
break;
|
break;
|
}
|
}
|
string++;
|
string++;
|
}
|
}
|
printf_filtered("\"");
|
printf_filtered("\"");
|
}
|
}
|
|
|
STATIC_INLINE_TREE\
|
STATIC_INLINE_TREE\
|
(void)
|
(void)
|
print_string_array_property(device *me,
|
print_string_array_property(device *me,
|
const device_property *property)
|
const device_property *property)
|
{
|
{
|
int nr;
|
int nr;
|
string_property_spec string;
|
string_property_spec string;
|
for (nr = 0;
|
for (nr = 0;
|
device_find_string_array_property(me, property->name, nr, &string);
|
device_find_string_array_property(me, property->name, nr, &string);
|
nr++) {
|
nr++) {
|
print_string(string);
|
print_string(string);
|
}
|
}
|
}
|
}
|
|
|
STATIC_INLINE_TREE\
|
STATIC_INLINE_TREE\
|
(void)
|
(void)
|
print_properties(device *me)
|
print_properties(device *me)
|
{
|
{
|
const device_property *property;
|
const device_property *property;
|
for (property = device_find_property(me, NULL);
|
for (property = device_find_property(me, NULL);
|
property != NULL;
|
property != NULL;
|
property = device_next_property(property)) {
|
property = device_next_property(property)) {
|
printf_filtered("%s/%s", device_path(me), property->name);
|
printf_filtered("%s/%s", device_path(me), property->name);
|
if (property->original != NULL) {
|
if (property->original != NULL) {
|
printf_filtered(" !");
|
printf_filtered(" !");
|
printf_filtered("%s/%s",
|
printf_filtered("%s/%s",
|
device_path(property->original->owner),
|
device_path(property->original->owner),
|
property->original->name);
|
property->original->name);
|
}
|
}
|
else {
|
else {
|
switch (property->type) {
|
switch (property->type) {
|
case array_property:
|
case array_property:
|
if ((property->sizeof_array % sizeof(signed_cell)) == 0) {
|
if ((property->sizeof_array % sizeof(signed_cell)) == 0) {
|
unsigned_cell *w = (unsigned_cell*)property->array;
|
unsigned_cell *w = (unsigned_cell*)property->array;
|
int cell_nr;
|
int cell_nr;
|
for (cell_nr = 0;
|
for (cell_nr = 0;
|
cell_nr < (property->sizeof_array / sizeof(unsigned_cell));
|
cell_nr < (property->sizeof_array / sizeof(unsigned_cell));
|
cell_nr++) {
|
cell_nr++) {
|
printf_filtered(" 0x%lx", (unsigned long)BE2H_cell(w[cell_nr]));
|
printf_filtered(" 0x%lx", (unsigned long)BE2H_cell(w[cell_nr]));
|
}
|
}
|
}
|
}
|
else {
|
else {
|
unsigned8 *w = (unsigned8*)property->array;
|
unsigned8 *w = (unsigned8*)property->array;
|
printf_filtered(" [");
|
printf_filtered(" [");
|
while ((char*)w - (char*)property->array < property->sizeof_array) {
|
while ((char*)w - (char*)property->array < property->sizeof_array) {
|
printf_filtered(" 0x%2x", BE2H_1(*w));
|
printf_filtered(" 0x%2x", BE2H_1(*w));
|
w++;
|
w++;
|
}
|
}
|
}
|
}
|
break;
|
break;
|
case boolean_property:
|
case boolean_property:
|
{
|
{
|
int b = device_find_boolean_property(me, property->name);
|
int b = device_find_boolean_property(me, property->name);
|
printf_filtered(" %s", b ? "true" : "false");
|
printf_filtered(" %s", b ? "true" : "false");
|
}
|
}
|
break;
|
break;
|
case ihandle_property:
|
case ihandle_property:
|
{
|
{
|
if (property->array != NULL) {
|
if (property->array != NULL) {
|
device_instance *instance = device_find_ihandle_property(me, property->name);
|
device_instance *instance = device_find_ihandle_property(me, property->name);
|
printf_filtered(" *%s", device_instance_path(instance));
|
printf_filtered(" *%s", device_instance_path(instance));
|
}
|
}
|
else {
|
else {
|
/* not yet initialized, ask the device for the path */
|
/* not yet initialized, ask the device for the path */
|
ihandle_runtime_property_spec spec;
|
ihandle_runtime_property_spec spec;
|
device_find_ihandle_runtime_property(me, property->name, &spec);
|
device_find_ihandle_runtime_property(me, property->name, &spec);
|
printf_filtered(" *%s", spec.full_path);
|
printf_filtered(" *%s", spec.full_path);
|
}
|
}
|
}
|
}
|
break;
|
break;
|
case integer_property:
|
case integer_property:
|
{
|
{
|
unsigned_word w = device_find_integer_property(me, property->name);
|
unsigned_word w = device_find_integer_property(me, property->name);
|
printf_filtered(" 0x%lx", (unsigned long)w);
|
printf_filtered(" 0x%lx", (unsigned long)w);
|
}
|
}
|
break;
|
break;
|
case range_array_property:
|
case range_array_property:
|
print_ranges_property(me, property);
|
print_ranges_property(me, property);
|
break;
|
break;
|
case reg_array_property:
|
case reg_array_property:
|
print_reg_property(me, property);
|
print_reg_property(me, property);
|
break;
|
break;
|
case string_property:
|
case string_property:
|
{
|
{
|
const char *s = device_find_string_property(me, property->name);
|
const char *s = device_find_string_property(me, property->name);
|
print_string(s);
|
print_string(s);
|
}
|
}
|
break;
|
break;
|
case string_array_property:
|
case string_array_property:
|
print_string_array_property(me, property);
|
print_string_array_property(me, property);
|
break;
|
break;
|
}
|
}
|
}
|
}
|
printf_filtered("\n");
|
printf_filtered("\n");
|
}
|
}
|
}
|
}
|
|
|
STATIC_INLINE_TREE\
|
STATIC_INLINE_TREE\
|
(void)
|
(void)
|
print_interrupts(device *me,
|
print_interrupts(device *me,
|
int my_port,
|
int my_port,
|
device *dest,
|
device *dest,
|
int dest_port,
|
int dest_port,
|
void *ignore_or_null)
|
void *ignore_or_null)
|
{
|
{
|
char src[32];
|
char src[32];
|
char dst[32];
|
char dst[32];
|
device_interrupt_encode(me, my_port, src, sizeof(src), output_port);
|
device_interrupt_encode(me, my_port, src, sizeof(src), output_port);
|
device_interrupt_encode(dest, dest_port, dst, sizeof(dst), input_port);
|
device_interrupt_encode(dest, dest_port, dst, sizeof(dst), input_port);
|
printf_filtered("%s > %s %s %s\n",
|
printf_filtered("%s > %s %s %s\n",
|
device_path(me),
|
device_path(me),
|
src, dst,
|
src, dst,
|
device_path(dest));
|
device_path(dest));
|
}
|
}
|
|
|
STATIC_INLINE_TREE\
|
STATIC_INLINE_TREE\
|
(void)
|
(void)
|
print_device(device *me,
|
print_device(device *me,
|
void *ignore_or_null)
|
void *ignore_or_null)
|
{
|
{
|
printf_filtered("%s\n", device_path(me));
|
printf_filtered("%s\n", device_path(me));
|
print_properties(me);
|
print_properties(me);
|
device_interrupt_traverse(me, print_interrupts, NULL);
|
device_interrupt_traverse(me, print_interrupts, NULL);
|
}
|
}
|
|
|
INLINE_TREE\
|
INLINE_TREE\
|
(void)
|
(void)
|
tree_print(device *root)
|
tree_print(device *root)
|
{
|
{
|
tree_traverse(root,
|
tree_traverse(root,
|
print_device, NULL,
|
print_device, NULL,
|
NULL);
|
NULL);
|
}
|
}
|
|
|
|
|
INLINE_TREE\
|
INLINE_TREE\
|
(void)
|
(void)
|
tree_usage(int verbose)
|
tree_usage(int verbose)
|
{
|
{
|
if (verbose == 1) {
|
if (verbose == 1) {
|
printf_filtered("\n");
|
printf_filtered("\n");
|
printf_filtered("A device/property specifier has the form:\n");
|
printf_filtered("A device/property specifier has the form:\n");
|
printf_filtered("\n");
|
printf_filtered("\n");
|
printf_filtered(" /path/to/a/device [ property-value ]\n");
|
printf_filtered(" /path/to/a/device [ property-value ]\n");
|
printf_filtered("\n");
|
printf_filtered("\n");
|
printf_filtered("and a possible device is\n");
|
printf_filtered("and a possible device is\n");
|
printf_filtered("\n");
|
printf_filtered("\n");
|
}
|
}
|
if (verbose > 1) {
|
if (verbose > 1) {
|
printf_filtered("\n");
|
printf_filtered("\n");
|
printf_filtered("A device/property specifier (<spec>) has the format:\n");
|
printf_filtered("A device/property specifier (<spec>) has the format:\n");
|
printf_filtered("\n");
|
printf_filtered("\n");
|
printf_filtered(" <spec> ::= <path> [ <value> ] ;\n");
|
printf_filtered(" <spec> ::= <path> [ <value> ] ;\n");
|
printf_filtered(" <path> ::= { <prefix> } { <node> \"/\" } <node> ;\n");
|
printf_filtered(" <path> ::= { <prefix> } { <node> \"/\" } <node> ;\n");
|
printf_filtered(" <prefix> ::= ( | \"/\" | \"../\" | \"./\" ) ;\n");
|
printf_filtered(" <prefix> ::= ( | \"/\" | \"../\" | \"./\" ) ;\n");
|
printf_filtered(" <node> ::= <name> [ \"@\" <unit> ] [ \":\" <args> ] ;\n");
|
printf_filtered(" <node> ::= <name> [ \"@\" <unit> ] [ \":\" <args> ] ;\n");
|
printf_filtered(" <unit> ::= <number> { \",\" <number> } ;\n");
|
printf_filtered(" <unit> ::= <number> { \",\" <number> } ;\n");
|
printf_filtered("\n");
|
printf_filtered("\n");
|
printf_filtered("Where:\n");
|
printf_filtered("Where:\n");
|
printf_filtered("\n");
|
printf_filtered("\n");
|
printf_filtered(" <name> is the name of a device (list below)\n");
|
printf_filtered(" <name> is the name of a device (list below)\n");
|
printf_filtered(" <unit> is the unit-address relative to the parent bus\n");
|
printf_filtered(" <unit> is the unit-address relative to the parent bus\n");
|
printf_filtered(" <args> additional arguments used when creating the device\n");
|
printf_filtered(" <args> additional arguments used when creating the device\n");
|
printf_filtered(" <value> ::= ( <number> # integer property\n");
|
printf_filtered(" <value> ::= ( <number> # integer property\n");
|
printf_filtered(" | \"[\" { <number> } # array property (byte)\n");
|
printf_filtered(" | \"[\" { <number> } # array property (byte)\n");
|
printf_filtered(" | \"{\" { <number> } # array property (cell)\n");
|
printf_filtered(" | \"{\" { <number> } # array property (cell)\n");
|
printf_filtered(" | [ \"true\" | \"false\" ] # boolean property\n");
|
printf_filtered(" | [ \"true\" | \"false\" ] # boolean property\n");
|
printf_filtered(" | \"*\" <path> # ihandle property\n");
|
printf_filtered(" | \"*\" <path> # ihandle property\n");
|
printf_filtered(" | \"!\" <path> # copy property\n");
|
printf_filtered(" | \"!\" <path> # copy property\n");
|
printf_filtered(" | \">\" [ <number> ] <path> # attach interrupt\n");
|
printf_filtered(" | \">\" [ <number> ] <path> # attach interrupt\n");
|
printf_filtered(" | \"<\" <path> # attach child interrupt\n");
|
printf_filtered(" | \"<\" <path> # attach child interrupt\n");
|
printf_filtered(" | \"\\\"\" <text> # string property\n");
|
printf_filtered(" | \"\\\"\" <text> # string property\n");
|
printf_filtered(" | <text> # string property\n");
|
printf_filtered(" | <text> # string property\n");
|
printf_filtered(" ) ;\n");
|
printf_filtered(" ) ;\n");
|
printf_filtered("\n");
|
printf_filtered("\n");
|
printf_filtered("And the following are valid device names:\n");
|
printf_filtered("And the following are valid device names:\n");
|
printf_filtered("\n");
|
printf_filtered("\n");
|
}
|
}
|
}
|
}
|
|
|
|
|
|
|
INLINE_TREE\
|
INLINE_TREE\
|
(device_instance *)
|
(device_instance *)
|
tree_instance(device *root,
|
tree_instance(device *root,
|
const char *device_specifier)
|
const char *device_specifier)
|
{
|
{
|
/* find the device node */
|
/* find the device node */
|
device *me;
|
device *me;
|
name_specifier spec;
|
name_specifier spec;
|
if (!split_device_specifier(root, device_specifier, &spec))
|
if (!split_device_specifier(root, device_specifier, &spec))
|
return NULL;
|
return NULL;
|
me = split_find_device(root, &spec);
|
me = split_find_device(root, &spec);
|
if (spec.name != NULL)
|
if (spec.name != NULL)
|
return NULL;
|
return NULL;
|
/* create the instance */
|
/* create the instance */
|
return device_create_instance(me, device_specifier, spec.last_args);
|
return device_create_instance(me, device_specifier, spec.last_args);
|
}
|
}
|
|
|
|
|
INLINE_TREE\
|
INLINE_TREE\
|
(device *)
|
(device *)
|
tree_find_device(device *root,
|
tree_find_device(device *root,
|
const char *path_to_device)
|
const char *path_to_device)
|
{
|
{
|
device *node;
|
device *node;
|
name_specifier spec;
|
name_specifier spec;
|
|
|
/* parse the path */
|
/* parse the path */
|
split_device_specifier(root, path_to_device, &spec);
|
split_device_specifier(root, path_to_device, &spec);
|
if (spec.value != NULL)
|
if (spec.value != NULL)
|
return NULL; /* something wierd */
|
return NULL; /* something wierd */
|
|
|
/* now find it */
|
/* now find it */
|
node = split_find_device(root, &spec);
|
node = split_find_device(root, &spec);
|
if (spec.name != NULL)
|
if (spec.name != NULL)
|
return NULL; /* not a leaf */
|
return NULL; /* not a leaf */
|
|
|
return node;
|
return node;
|
}
|
}
|
|
|
|
|
INLINE_TREE\
|
INLINE_TREE\
|
(const device_property *)
|
(const device_property *)
|
tree_find_property(device *root,
|
tree_find_property(device *root,
|
const char *path_to_property)
|
const char *path_to_property)
|
{
|
{
|
name_specifier spec;
|
name_specifier spec;
|
if (!split_property_specifier(root, path_to_property, &spec))
|
if (!split_property_specifier(root, path_to_property, &spec))
|
device_error(root, "Invalid property path %s", path_to_property);
|
device_error(root, "Invalid property path %s", path_to_property);
|
root = split_find_device(root, &spec);
|
root = split_find_device(root, &spec);
|
return device_find_property(root, spec.property);
|
return device_find_property(root, spec.property);
|
}
|
}
|
|
|
INLINE_TREE\
|
INLINE_TREE\
|
(int)
|
(int)
|
tree_find_boolean_property(device *root,
|
tree_find_boolean_property(device *root,
|
const char *path_to_property)
|
const char *path_to_property)
|
{
|
{
|
name_specifier spec;
|
name_specifier spec;
|
if (!split_property_specifier(root, path_to_property, &spec))
|
if (!split_property_specifier(root, path_to_property, &spec))
|
device_error(root, "Invalid property path %s", path_to_property);
|
device_error(root, "Invalid property path %s", path_to_property);
|
root = split_find_device(root, &spec);
|
root = split_find_device(root, &spec);
|
return device_find_boolean_property(root, spec.property);
|
return device_find_boolean_property(root, spec.property);
|
}
|
}
|
|
|
INLINE_TREE\
|
INLINE_TREE\
|
(signed_cell)
|
(signed_cell)
|
tree_find_integer_property(device *root,
|
tree_find_integer_property(device *root,
|
const char *path_to_property)
|
const char *path_to_property)
|
{
|
{
|
name_specifier spec;
|
name_specifier spec;
|
if (!split_property_specifier(root, path_to_property, &spec))
|
if (!split_property_specifier(root, path_to_property, &spec))
|
device_error(root, "Invalid property path %s", path_to_property);
|
device_error(root, "Invalid property path %s", path_to_property);
|
root = split_find_device(root, &spec);
|
root = split_find_device(root, &spec);
|
return device_find_integer_property(root, spec.property);
|
return device_find_integer_property(root, spec.property);
|
}
|
}
|
|
|
INLINE_TREE\
|
INLINE_TREE\
|
(device_instance *)
|
(device_instance *)
|
tree_find_ihandle_property(device *root,
|
tree_find_ihandle_property(device *root,
|
const char *path_to_property)
|
const char *path_to_property)
|
{
|
{
|
name_specifier spec;
|
name_specifier spec;
|
if (!split_property_specifier(root, path_to_property, &spec))
|
if (!split_property_specifier(root, path_to_property, &spec))
|
device_error(root, "Invalid property path %s", path_to_property);
|
device_error(root, "Invalid property path %s", path_to_property);
|
root = split_find_device(root, &spec);
|
root = split_find_device(root, &spec);
|
return device_find_ihandle_property(root, spec.property);
|
return device_find_ihandle_property(root, spec.property);
|
}
|
}
|
|
|
INLINE_TREE\
|
INLINE_TREE\
|
(const char *)
|
(const char *)
|
tree_find_string_property(device *root,
|
tree_find_string_property(device *root,
|
const char *path_to_property)
|
const char *path_to_property)
|
{
|
{
|
name_specifier spec;
|
name_specifier spec;
|
if (!split_property_specifier(root, path_to_property, &spec))
|
if (!split_property_specifier(root, path_to_property, &spec))
|
device_error(root, "Invalid property path %s", path_to_property);
|
device_error(root, "Invalid property path %s", path_to_property);
|
root = split_find_device(root, &spec);
|
root = split_find_device(root, &spec);
|
return device_find_string_property(root, spec.property);
|
return device_find_string_property(root, spec.property);
|
}
|
}
|
|
|
|
|
#endif /* _PARSE_C_ */
|
#endif /* _PARSE_C_ */
|
|
|
