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Diffstat (limited to 'sim/ppc/tree.c')
-rw-r--r-- | sim/ppc/tree.c | 1273 |
1 files changed, 0 insertions, 1273 deletions
diff --git a/sim/ppc/tree.c b/sim/ppc/tree.c deleted file mode 100644 index 856e90b..0000000 --- a/sim/ppc/tree.c +++ /dev/null @@ -1,1273 +0,0 @@ -/* This file is part of the program psim. - - Copyright (C) 1994-1996, Andrew Cagney <cagney@highland.com.au> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - - */ - - -#ifndef _PARSE_C_ -#define _PARSE_C_ - -#include <stdio.h> -#include <stdarg.h> - -#include "basics.h" - -#include "device.h" -#include "tree.h" - - -#ifdef HAVE_STDLIB_H -#include <stdlib.h> -#endif - -#ifdef HAVE_STRING_H -#include <string.h> -#else -#ifdef HAVE_STRINGS_H -#include <strings.h> -#endif -#endif - -#include <ctype.h> - - -/* manipulate/lookup device names */ - -typedef struct _name_specifier { - /* components in the full length name */ - char *path; - char *property; - char *value; - /* current device */ - char *name; - char *base; - char *unit; - char *args; - /* previous device */ - char *last_name; - char *last_base; - char *last_unit; - char *last_args; - /* work area */ - char buf[1024]; -} name_specifier; - - - -/* Given a device specifier, break it up into its main components: - path (and if present) property name and property value. */ - -STATIC_INLINE_TREE\ -(int) -split_device_specifier(device *current, - const char *device_specifier, - name_specifier *spec) -{ - char *chp = NULL; - - /* expand any leading alias if present */ - if (current != NULL - && *device_specifier != '\0' - && *device_specifier != '.' - && *device_specifier != '/') { - device *aliases = tree_find_device(current, "/aliases"); - char alias[32]; - int len = 0; - while (device_specifier[len] != '\0' - && device_specifier[len] != '/' - && device_specifier[len] != ':' - && !isspace(device_specifier[len])) { - alias[len] = device_specifier[len]; - len++; - if (len >= sizeof(alias)) - error("split_device_specifier: buffer overflow"); - } - alias[len] = '\0'; - if (aliases != NULL - && device_find_property(aliases, alias)) { - strcpy(spec->buf, device_find_string_property(aliases, alias)); - strcat(spec->buf, device_specifier + len); - } - else { - strcpy(spec->buf, device_specifier); - } - } - else { - strcpy(spec->buf, device_specifier); - } - - /* check no overflow */ - if (strlen(spec->buf) >= sizeof(spec->buf)) - error("split_device_specifier: buffer overflow\n"); - - /* strip leading spaces */ - chp = spec->buf; - while (*chp != '\0' && isspace(*chp)) - chp++; - if (*chp == '\0') - return 0; - - /* find the path and terminate it with null */ - spec->path = chp; - while (*chp != '\0' && !isspace(*chp)) - chp++; - if (*chp != '\0') { - *chp = '\0'; - chp++; - } - - /* and any value */ - while (*chp != '\0' && isspace(*chp)) - chp++; - spec->value = chp; - - /* now go back and chop the property off of the path */ - if (spec->value[0] == '\0') { - spec->property = NULL; /*not a property*/ - spec->value = NULL; - } - else if (spec->value[0] == '>' - || spec->value[0] == '<') { - /* an interrupt spec */ - spec->property = NULL; - } - else { - chp = strrchr(spec->path, '/'); - if (chp == NULL) { - spec->property = spec->path; - spec->path = strchr(spec->property, '\0'); - } - else { - *chp = '\0'; - spec->property = chp+1; - } - } - - /* and mark the rest as invalid */ - spec->name = NULL; - spec->base = NULL; - spec->unit = NULL; - spec->args = NULL; - spec->last_name = NULL; - spec->last_base = NULL; - spec->last_unit = NULL; - spec->last_args = NULL; - - return 1; -} - - -/* given a device specifier break it up into its main components - - path and property name - assuming that the last `device' is a - property name. */ - -STATIC_INLINE_DEVICE\ -(int) -split_property_specifier(device *current, - const char *property_specifier, - name_specifier *spec) -{ - if (split_device_specifier(current, property_specifier, spec)) { - if (spec->property == NULL) { - /* force the last name to be a property name */ - char *chp = strrchr(spec->path, '/'); - if (chp == NULL) { - spec->property = spec->path; - spec->path = strrchr(spec->property, '\0');; - } - else { - *chp = '\0'; - spec->property = chp+1; - } - } - return 1; - } - else - return 0; -} - - -/* device the next device name and split it up, return 0 when no more - names to device */ - -STATIC_INLINE_TREE\ -(int) -split_device_name(name_specifier *spec) -{ - char *chp; - /* remember what came before */ - spec->last_name = spec->name; - spec->last_base = spec->base; - spec->last_unit = spec->unit; - spec->last_args = spec->args; - /* finished? */ - if (spec->path[0] == '\0') { - spec->name = NULL; - spec->base = NULL; - spec->unit = NULL; - spec->args = NULL; - return 0; - } - /* break the current device spec from the path */ - spec->name = spec->path; - chp = strchr(spec->name, '/'); - if (chp == NULL) - spec->path = strchr(spec->name, '\0'); - else { - spec->path = chp+1; - *chp = '\0'; - } - /* break out the base */ - if (spec->name[0] == '(') { - chp = strchr(spec->name, ')'); - if (chp == NULL) { - spec->base = spec->name; - } - else { - *chp = '\0'; - spec->base = spec->name + 1; - spec->name = chp + 1; - } - } - else { - spec->base = spec->name; - } - /* now break out the unit */ - chp = strchr(spec->name, '@'); - if (chp == NULL) { - spec->unit = NULL; - chp = spec->name; - } - else { - *chp = '\0'; - chp += 1; - spec->unit = chp; - } - /* finally any args */ - chp = strchr(chp, ':'); - if (chp == NULL) - spec->args = NULL; - else { - *chp = '\0'; - spec->args = chp+1; - } - return 1; -} - - -/* device the value, returning the next non-space token */ - -STATIC_INLINE_TREE\ -(char *) -split_value(name_specifier *spec) -{ - char *token; - if (spec->value == NULL) - return NULL; - /* skip leading white space */ - while (isspace(spec->value[0])) - spec->value++; - if (spec->value[0] == '\0') { - spec->value = NULL; - return NULL; - } - token = spec->value; - /* find trailing space */ - while (spec->value[0] != '\0' && !isspace(spec->value[0])) - spec->value++; - /* chop this value out */ - if (spec->value[0] != '\0') { - spec->value[0] = '\0'; - spec->value++; - } - return token; -} - - - -/* traverse the path specified by spec starting at current */ - -STATIC_INLINE_TREE\ -(device *) -split_find_device(device *current, - name_specifier *spec) -{ - /* strip off (and process) any leading ., .., ./ and / */ - while (1) { - if (strncmp(spec->path, "/", strlen("/")) == 0) { - /* cd /... */ - while (current != NULL && device_parent(current) != NULL) - current = device_parent(current); - spec->path += strlen("/"); - } - else if (strncmp(spec->path, "./", strlen("./")) == 0) { - /* cd ./... */ - current = current; - spec->path += strlen("./"); - } - else if (strncmp(spec->path, "../", strlen("../")) == 0) { - /* cd ../... */ - if (current != NULL && device_parent(current) != NULL) - current = device_parent(current); - spec->path += strlen("../"); - } - else if (strcmp(spec->path, ".") == 0) { - /* cd . */ - current = current; - spec->path += strlen("."); - } - else if (strcmp(spec->path, "..") == 0) { - /* cd . */ - if (current != NULL && device_parent(current) != NULL) - current = device_parent(current); - spec->path += strlen(".."); - } - else - break; - } - - /* now go through the path proper */ - - if (current == NULL) { - split_device_name(spec); - return NULL; - } - - while (split_device_name(spec)) { - device *child; - for (child = device_child(current); - child != NULL; child = device_sibling(child)) { - if (strcmp(spec->name, device_name(child)) == 0) { - if (spec->unit == NULL) - break; - else { - device_unit phys; - device_decode_unit(current, spec->unit, &phys); - if (memcmp(&phys, device_unit_address(child), - sizeof(device_unit)) == 0) - break; - } - } - } - if (child == NULL) - return current; /* search failed */ - current = child; - } - - return current; -} - - -STATIC_INLINE_TREE\ -(device *) -split_fill_path(device *current, - const char *device_specifier, - name_specifier *spec) -{ - /* break it up */ - if (!split_device_specifier(current, device_specifier, spec)) - device_error(current, "error parsing %s\n", device_specifier); - - /* fill our tree with its contents */ - current = split_find_device(current, spec); - - /* add any additional devices as needed */ - if (spec->name != NULL) { - do { - current = device_create(current, spec->base, spec->name, - spec->unit, spec->args); - } while (split_device_name(spec)); - } - - return current; -} - - -INLINE_TREE\ -(void) -tree_init(device *root, - psim *system) -{ - TRACE(trace_device_tree, ("tree_init(root=0x%lx, system=0x%lx)\n", - (long)root, - (long)system)); - /* remove the old, rebuild the new */ - tree_traverse(root, device_clean, NULL, system); - tree_traverse(root, device_init_static_properties, NULL, system); - tree_traverse(root, device_init_address, NULL, system); - tree_traverse(root, device_init_runtime_properties, NULL, system); - tree_traverse(root, device_init_data, NULL, system); -} - - - -/* <non-white-space> */ - -STATIC_INLINE_TREE\ -(const char *) -skip_token(const char *chp) -{ - while (!isspace(*chp) && *chp != '\0') - chp++; - while (isspace(*chp) && *chp != '\0') - chp++; - return chp; -} - - -/* count the number of entries */ - -STATIC_INLINE_TREE\ -(int) -count_entries(device *current, - const char *property_name, - const char *property_value, - int modulo) -{ - const char *chp = property_value; - int nr_entries = 0; - while (*chp != '\0') { - nr_entries += 1; - chp = skip_token(chp); - } - if ((nr_entries % modulo) != 0) { - device_error(current, "incorrect number of entries for %s property %s, should be multiple of %d", - property_name, property_value, modulo); - } - return nr_entries / modulo; -} - - - -/* parse: <address> ::= <token> ; device dependant */ - -STATIC_INLINE_TREE\ -(const char *) -parse_address(device *current, - device *bus, - const char *chp, - device_unit *address) -{ - if (device_decode_unit(bus, chp, address) < 0) - device_error(current, "invalid unit address in %s", chp); - return skip_token(chp); -} - - -/* parse: <size> ::= <number> { "," <number> } ; */ - -STATIC_INLINE_TREE\ -(const char *) -parse_size(device *current, - device *bus, - const char *chp, - device_unit *size) -{ - int i; - int nr; - const char *curr = chp; - memset(size, 0, sizeof(*size)); - /* parse the numeric list */ - size->nr_cells = device_nr_size_cells(bus); - nr = 0; - while (1) { - char *next; - size->cells[nr] = strtoul(curr, &next, 0); - if (curr == next) - device_error(current, "Problem parsing <size> %s", chp); - nr += 1; - if (next[0] != ',') - break; - if (nr == size->nr_cells) - device_error(current, "Too many values in <size> %s", chp); - curr = next + 1; - } - ASSERT(nr > 0 && nr <= size->nr_cells); - /* right align the numbers */ - for (i = 1; i <= size->nr_cells; i++) { - if (i <= nr) - size->cells[size->nr_cells - i] = size->cells[nr - i]; - else - size->cells[size->nr_cells - i] = 0; - } - return skip_token(chp); -} - - -/* parse: <reg> ::= { <address> <size> } ; */ - -STATIC_INLINE_TREE\ -(void) -parse_reg_property(device *current, - const char *property_name, - const char *property_value) -{ - int nr_regs; - int reg_nr; - reg_property_spec *regs; - const char *chp; - - /* determine the number of reg entries by counting tokens */ - nr_regs = count_entries(current, property_name, property_value, 2); - - /* create working space */ - regs = zalloc(nr_regs * sizeof(*regs)); - - /* fill it in */ - chp = property_value; - for (reg_nr = 0; reg_nr < nr_regs; reg_nr++) { - chp = parse_address(current, device_parent(current), - chp, ®s[reg_nr].address); - chp = parse_size(current, device_parent(current), - chp, ®s[reg_nr].size); - } - - /* create it */ - device_add_reg_array_property(current, property_name, - regs, nr_regs); - - zfree(regs); -} - - -/* { <child-address> <parent-address> <child-size> }* */ - -STATIC_INLINE_TREE\ -(void) -parse_ranges_property(device *current, - const char *property_name, - const char *property_value) -{ - int nr_ranges; - int range_nr; - range_property_spec *ranges; - const char *chp; - - /* determine the number of ranges specified */ - nr_ranges = count_entries(current, property_name, property_value, 3); - - /* create a property of that size */ - ranges = zalloc(nr_ranges * sizeof(*ranges)); - - /* fill it in */ - chp = property_value; - for (range_nr = 0; range_nr < nr_ranges; range_nr++) { - chp = parse_address(current, current, - chp, &ranges[range_nr].child_address); - chp = parse_address(current, device_parent(current), - chp, &ranges[range_nr].parent_address); - chp = parse_size(current, current, - chp, &ranges[range_nr].size); - } - - /* create it */ - device_add_range_array_property(current, property_name, ranges, nr_ranges); - - zfree(ranges); -} - - -/* <integer> ... */ - -STATIC_INLINE_TREE\ -(void) -parse_integer_property(device *current, - const char *property_name, - const char *property_value) -{ - int nr_entries; - unsigned_cell words[1024]; - /* integer or integer array? */ - nr_entries = 0; - while (1) { - char *end; - words[nr_entries] = strtoul(property_value, &end, 0); - if (property_value == end) - break; - nr_entries += 1; - if (nr_entries * sizeof(words[0]) >= sizeof(words)) - device_error(current, "buffer overflow"); - property_value = end; - } - if (nr_entries == 0) - device_error(current, "error parsing integer property %s (%s)", - property_name, property_value); - else if (nr_entries == 1) - device_add_integer_property(current, property_name, words[0]); - else { - int i; - for (i = 0; i < nr_entries; i++) { - H2BE(words[i]); - } - /* perhaphs integer array property is better */ - device_add_array_property(current, property_name, words, - sizeof(words[0]) * nr_entries); - } -} - - -/* <string> ... */ - -STATIC_INLINE_TREE\ -(void) -parse_string_property(device *current, - const char *property_name, - const char *property_value) -{ - char **strings; - const char *chp; - int nr_strings; - int approx_nr_strings; - - /* get an estimate as to the number of strings by counting double - quotes */ - approx_nr_strings = 2; - for (chp = property_value; *chp; chp++) { - if (*chp == '"') - approx_nr_strings++; - } - approx_nr_strings = (approx_nr_strings) / 2; - - /* create a string buffer for that many (plus a null) */ - strings = (char**)zalloc((approx_nr_strings + 1) * sizeof(char*)); - - /* now find all the strings */ - chp = property_value; - nr_strings = 0; - while (1) { - - /* skip leading space */ - while (*chp != '\0' && isspace(*chp)) - chp += 1; - if (*chp == '\0') - break; - - /* copy it in */ - if (*chp == '"') { - /* a quoted string - watch for '\' et.al. */ - /* estimate the size and allocate space for it */ - int pos; - chp++; - pos = 0; - while (chp[pos] != '\0' && chp[pos] != '"') { - if (chp[pos] == '\\' && chp[pos+1] != '\0') - pos += 2; - else - pos += 1; - } - strings[nr_strings] = zalloc(pos + 1); - /* copy the string over */ - pos = 0; - while (*chp != '\0' && *chp != '"') { - if (*chp == '\\' && *(chp+1) != '\0') { - strings[nr_strings][pos] = *(chp+1); - chp += 2; - pos++; - } - else { - strings[nr_strings][pos] = *chp; - chp += 1; - pos++; - } - } - if (*chp != '\0') - chp++; - strings[nr_strings][pos] = '\0'; - } - else { - /* copy over a single unquoted token */ - int len = 0; - while (chp[len] != '\0' && !isspace(chp[len])) - len++; - strings[nr_strings] = zalloc(len + 1); - strncpy(strings[nr_strings], chp, len); - strings[nr_strings][len] = '\0'; - chp += len; - } - nr_strings++; - if (nr_strings > approx_nr_strings) - device_error(current, "String property %s badly formatted", - property_name); - } - ASSERT(strings[nr_strings] == NULL); /* from zalloc */ - - /* install it */ - if (nr_strings == 0) - device_add_string_property(current, property_name, ""); - else if (nr_strings == 1) - device_add_string_property(current, property_name, strings[0]); - else { - const char **specs = (const char**)strings; /* stop a bogus error */ - device_add_string_array_property(current, property_name, - specs, nr_strings); - } - - /* flush the created string */ - while (nr_strings > 0) { - nr_strings--; - zfree(strings[nr_strings]); - } - zfree(strings); -} - - -/* <path-to-ihandle-device> */ - -STATIC_INLINE_TREE\ -(void) -parse_ihandle_property(device *current, - const char *property, - const char *value) -{ - ihandle_runtime_property_spec ihandle; - const char *chp; - name_specifier ihandle_spec; - - /* copy over the full path */ - ihandle.full_path = value; - - /* copy over the args (if present) */ - chp = strchr(value, '\0'); - while (chp > value && *chp != '/' && *chp != ':') - chp--; - if (*chp == ':') { - chp += 1; - ihandle.args = chp; - } - else { - ihandle.args = NULL; - } - - /* save this ready for the ihandle create */ - ihandle.phandle = split_fill_path(current, ihandle.full_path, &ihandle_spec); - device_add_ihandle_runtime_property(current, property, - &ihandle); -} - - - -EXTERN_TREE\ -(device *) -tree_parse(device *current, - const char *fmt, - ...) -{ - char device_specifier[1024]; - name_specifier spec; - - /* format the path */ - { - va_list ap; - va_start(ap, fmt); - vsprintf(device_specifier, fmt, ap); - va_end(ap); - if (strlen(device_specifier) >= sizeof(device_specifier)) - error("device_tree_add_deviced: buffer overflow\n"); - } - - /* construct the tree down to the final device */ - current = split_fill_path(current, device_specifier, &spec); - - /* is there an interrupt spec */ - if (spec.property == NULL - && spec.value != NULL) { - char *op = split_value(&spec); - switch (op[0]) { - case '>': - { - char *my_port_name = split_value(&spec); - int my_port; - char *dest_port_name = split_value(&spec); - int dest_port; - name_specifier dest_spec; - char *dest_device_name = split_value(&spec); - device *dest; - /* find my name */ - my_port = device_interrupt_decode(current, my_port_name, - output_port); - /* find the dest device and port */ - dest = split_fill_path(current, dest_device_name, &dest_spec); - dest_port = device_interrupt_decode(dest, dest_port_name, - input_port); - /* connect the two */ - device_interrupt_attach(current, - my_port, - dest, - dest_port, - permenant_object); - } - break; - default: - device_error(current, "unreconised interrupt spec %s\n", spec.value); - break; - } - } - - /* is there a property */ - if (spec.property != NULL) { - if (strcmp(spec.value, "true") == 0) - device_add_boolean_property(current, spec.property, 1); - else if (strcmp(spec.value, "false") == 0) - device_add_boolean_property(current, spec.property, 0); - else { - const device_property *property; - switch (spec.value[0]) { - case '*': - parse_ihandle_property(current, spec.property, spec.value + 1); - break; - case '[': - { - unsigned8 words[1024]; - char *curr = spec.value + 1; - int nr_words = 0; - while (1) { - char *next; - words[nr_words] = H2BE_1(strtoul(curr, &next, 0)); - if (curr == next) - break; - curr = next; - nr_words += 1; - } - device_add_array_property(current, spec.property, - words, sizeof(words[0]) * nr_words); - } - break; - case '"': - parse_string_property(current, spec.property, spec.value); - break; - case '!': - spec.value++; - property = tree_find_property(current, spec.value); - if (property == NULL) - device_error(current, "property %s not found\n", spec.value); - device_add_duplicate_property(current, - spec.property, - property); - break; - default: - if (strcmp(spec.property, "reg") == 0 - || strcmp(spec.property, "assigned-addresses") == 0 - || strcmp(spec.property, "alternate-reg") == 0){ - parse_reg_property(current, spec.property, spec.value); - } - else if (strcmp(spec.property, "ranges") == 0) { - parse_ranges_property(current, spec.property, spec.value); - } - else if (isdigit(spec.value[0]) - || (spec.value[0] == '-' && isdigit(spec.value[1])) - || (spec.value[0] == '+' && isdigit(spec.value[1]))) { - parse_integer_property(current, spec.property, spec.value); - } - else - parse_string_property(current, spec.property, spec.value); - break; - } - } - } - return current; -} - - -INLINE_TREE\ -(void) -tree_traverse(device *root, - tree_traverse_function *prefix, - tree_traverse_function *postfix, - void *data) -{ - device *child; - if (prefix != NULL) - prefix(root, data); - for (child = device_child(root); - child != NULL; - child = device_sibling(child)) { - tree_traverse(child, prefix, postfix, data); - } - if (postfix != NULL) - postfix(root, data); -} - - -STATIC_INLINE_TREE\ -(void) -print_address(device *bus, - const device_unit *phys) -{ - char unit[32]; - device_encode_unit(bus, phys, unit, sizeof(unit)); - printf_filtered(" %s", unit); -} - -STATIC_INLINE_TREE\ -(void) -print_size(device *bus, - const device_unit *size) -{ - int i; - for (i = 0; i < size->nr_cells; i++) - if (size->cells[i] != 0) - break; - if (i < size->nr_cells) { - printf_filtered(" 0x%lx", (unsigned long)size->cells[i]); - i++; - for (; i < size->nr_cells; i++) - printf_filtered(",0x%lx", (unsigned long)size->cells[i]); - } - else - printf_filtered(" 0"); -} - -STATIC_INLINE_TREE\ -(void) -print_reg_property(device *me, - const device_property *property) -{ - int reg_nr; - reg_property_spec reg; - for (reg_nr = 0; - device_find_reg_array_property(me, property->name, reg_nr, ®); - reg_nr++) { - print_address(device_parent(me), ®.address); - print_size(me, ®.size); - } -} - -STATIC_INLINE_TREE\ -(void) -print_ranges_property(device *me, - const device_property *property) -{ - int range_nr; - range_property_spec range; - for (range_nr = 0; - device_find_range_array_property(me, property->name, range_nr, &range); - range_nr++) { - print_address(me, &range.child_address); - print_address(device_parent(me), &range.parent_address); - print_size(me, &range.size); - } -} - -STATIC_INLINE_TREE\ -(void) -print_string(const char *string) -{ - printf_filtered(" \""); - while (*string != '\0') { - switch (*string) { - case '"': - printf_filtered("\\\""); - break; - case '\\': - printf_filtered("\\\\"); - break; - default: - printf_filtered("%c", *string); - break; - } - string++; - } - printf_filtered("\""); -} - -STATIC_INLINE_TREE\ -(void) -print_string_array_property(device *me, - const device_property *property) -{ - int nr; - string_property_spec string; - for (nr = 0; - device_find_string_array_property(me, property->name, nr, &string); - nr++) { - print_string(string); - } -} - -STATIC_INLINE_TREE\ -(void) -print_properties(device *me) -{ - const device_property *property; - for (property = device_find_property(me, NULL); - property != NULL; - property = device_next_property(property)) { - printf_filtered("%s/%s", device_path(me), property->name); - if (property->original != NULL) { - printf_filtered(" !"); - printf_filtered("%s/%s", - device_path(property->original->owner), - property->original->name); - } - else { - switch (property->type) { - case array_property: - if ((property->sizeof_array % sizeof(signed_cell)) == 0) { - unsigned_cell *w = (unsigned_cell*)property->array; - int cell_nr; - for (cell_nr = 0; - cell_nr < (property->sizeof_array / sizeof(unsigned_cell)); - cell_nr++) { - printf_filtered(" 0x%lx", (unsigned long)BE2H_cell(w[cell_nr])); - } - } - else { - unsigned8 *w = (unsigned8*)property->array; - printf_filtered(" ["); - while ((char*)w - (char*)property->array < property->sizeof_array) { - printf_filtered(" 0x%2x", BE2H_1(*w)); - w++; - } - } - break; - case boolean_property: - { - int b = device_find_boolean_property(me, property->name); - printf_filtered(" %s", b ? "true" : "false"); - } - break; - case ihandle_property: - { - if (property->array != NULL) { - device_instance *instance = device_find_ihandle_property(me, property->name); - printf_filtered(" *%s", device_instance_path(instance)); - } - else { - /* not yet initialized, ask the device for the path */ - ihandle_runtime_property_spec spec; - device_find_ihandle_runtime_property(me, property->name, &spec); - printf_filtered(" *%s", spec.full_path); - if (spec.args != NULL) - printf_filtered(":%s", spec.args); - } - } - break; - case integer_property: - { - unsigned_word w = device_find_integer_property(me, property->name); - printf_filtered(" 0x%lx", (unsigned long)w); - } - break; - case range_array_property: - print_ranges_property(me, property); - break; - case reg_array_property: - print_reg_property(me, property); - break; - case string_property: - { - const char *s = device_find_string_property(me, property->name); - print_string(s); - } - break; - case string_array_property: - print_string_array_property(me, property); - break; - } - } - printf_filtered("\n"); - } -} - -STATIC_INLINE_TREE\ -(void) -print_interrupts(device *me, - int my_port, - device *dest, - int dest_port, - void *ignore_or_null) -{ - char src[32]; - char dst[32]; - device_interrupt_encode(me, my_port, src, sizeof(src), output_port); - device_interrupt_encode(dest, dest_port, dst, sizeof(dst), input_port); - printf_filtered("%s > %s %s %s\n", - device_path(me), - src, dst, - device_path(dest)); -} - -STATIC_INLINE_TREE\ -(void) -print_device(device *me, - void *ignore_or_null) -{ - printf_filtered("%s\n", device_path(me)); - print_properties(me); - device_interrupt_traverse(me, print_interrupts, NULL); -} - -INLINE_TREE\ -(void) -tree_print(device *root) -{ - tree_traverse(root, - print_device, NULL, - NULL); -} - - -INLINE_TREE\ -(void) -tree_usage(int verbose) -{ - if (verbose == 1) { - printf_filtered("\n"); - printf_filtered("A device/property specifier has the form:\n"); - printf_filtered("\n"); - printf_filtered(" /path/to/a/device [ property-value ]\n"); - printf_filtered("\n"); - printf_filtered("and a possible device is\n"); - printf_filtered("\n"); - } - if (verbose > 1) { - printf_filtered("\n"); - printf_filtered("A device/property specifier (<spec>) has the format:\n"); - printf_filtered("\n"); - printf_filtered(" <spec> ::= <path> [ <value> ] ;\n"); - printf_filtered(" <path> ::= { <prefix> } { <node> \"/\" } <node> ;\n"); - printf_filtered(" <prefix> ::= ( | \"/\" | \"../\" | \"./\" ) ;\n"); - printf_filtered(" <node> ::= <name> [ \"@\" <unit> ] [ \":\" <args> ] ;\n"); - printf_filtered(" <unit> ::= <number> { \",\" <number> } ;\n"); - printf_filtered("\n"); - printf_filtered("Where:\n"); - printf_filtered("\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(" <args> additional arguments used when creating the device\n"); - printf_filtered(" <value> ::= ( <number> # integer property\n"); - printf_filtered(" | \"[\" { <number> } # array property (byte)\n"); - printf_filtered(" | \"{\" { <number> } # array property (cell)\n"); - printf_filtered(" | [ \"true\" | \"false\" ] # boolean property\n"); - printf_filtered(" | \"*\" <path> # ihandle property\n"); - printf_filtered(" | \"!\" <path> # copy property\n"); - printf_filtered(" | \">\" [ <number> ] <path> # attach interrupt\n"); - printf_filtered(" | \"<\" <path> # attach child interrupt\n"); - printf_filtered(" | \"\\\"\" <text> # string property\n"); - printf_filtered(" | <text> # string property\n"); - printf_filtered(" ) ;\n"); - printf_filtered("\n"); - printf_filtered("And the following are valid device names:\n"); - printf_filtered("\n"); - } -} - - - -INLINE_TREE\ -(device_instance *) -tree_instance(device *root, - const char *device_specifier) -{ - /* find the device node */ - device *me; - name_specifier spec; - if (!split_device_specifier(root, device_specifier, &spec)) - return NULL; - me = split_find_device(root, &spec); - if (spec.name != NULL) - return NULL; - /* create the instance */ - return device_create_instance(me, device_specifier, spec.last_args); -} - - -INLINE_TREE\ -(device *) -tree_find_device(device *root, - const char *path_to_device) -{ - device *node; - name_specifier spec; - - /* parse the path */ - split_device_specifier(root, path_to_device, &spec); - if (spec.value != NULL) - return NULL; /* something wierd */ - - /* now find it */ - node = split_find_device(root, &spec); - if (spec.name != NULL) - return NULL; /* not a leaf */ - - return node; -} - - -INLINE_TREE\ -(const device_property *) -tree_find_property(device *root, - const char *path_to_property) -{ - name_specifier spec; - if (!split_property_specifier(root, path_to_property, &spec)) - device_error(root, "Invalid property path %s", path_to_property); - root = split_find_device(root, &spec); - return device_find_property(root, spec.property); -} - -INLINE_TREE\ -(int) -tree_find_boolean_property(device *root, - const char *path_to_property) -{ - name_specifier spec; - if (!split_property_specifier(root, path_to_property, &spec)) - device_error(root, "Invalid property path %s", path_to_property); - root = split_find_device(root, &spec); - return device_find_boolean_property(root, spec.property); -} - -INLINE_TREE\ -(signed_cell) -tree_find_integer_property(device *root, - const char *path_to_property) -{ - name_specifier spec; - if (!split_property_specifier(root, path_to_property, &spec)) - device_error(root, "Invalid property path %s", path_to_property); - root = split_find_device(root, &spec); - return device_find_integer_property(root, spec.property); -} - -INLINE_TREE\ -(device_instance *) -tree_find_ihandle_property(device *root, - const char *path_to_property) -{ - name_specifier spec; - if (!split_property_specifier(root, path_to_property, &spec)) - device_error(root, "Invalid property path %s", path_to_property); - root = split_find_device(root, &spec); - return device_find_ihandle_property(root, spec.property); -} - -INLINE_TREE\ -(const char *) -tree_find_string_property(device *root, - const char *path_to_property) -{ - name_specifier spec; - if (!split_property_specifier(root, path_to_property, &spec)) - device_error(root, "Invalid property path %s", path_to_property); - root = split_find_device(root, &spec); - return device_find_string_property(root, spec.property); -} - - -#endif /* _PARSE_C_ */ |