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/*
* (C) Copyright David Gibson <dwg@au1.ibm.com>, IBM Corporation. 2005.
*
*
* 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
*/
#include "dtc.h"
#include "srcpos.h"
extern FILE *yyin;
extern int yyparse(void);
extern void yyerror(char const *);
struct boot_info *the_boot_info;
struct boot_info *dt_from_source(const char *fname)
{
the_boot_info = NULL;
push_input_file(fname);
if (yyparse() != 0)
return NULL;
fill_fullpaths(the_boot_info->dt, "");
return the_boot_info;
}
static void write_prefix(FILE *f, int level)
{
int i;
for (i = 0; i < level; i++)
fputc('\t', f);
}
enum proptype {
PROP_EMPTY,
PROP_STRING,
PROP_CELLS,
PROP_BYTES,
};
int isstring(char c)
{
return (isprint(c)
|| (c == '\0')
|| strchr("\a\b\t\n\v\f\r", c));
}
static enum proptype guess_type(struct property *prop)
{
int len = prop->val.len;
char *p = prop->val.val;
int nnotstring = 0, nnul = 0;
int i;
if (len == 0)
return PROP_EMPTY;
for (i = 0; i < len; i++) {
if (! isstring(p[i]))
nnotstring++;
if (p[i] == '\0')
nnul++;
}
if ((p[len-1] == '\0') && (nnotstring == 0) && (nnul < (len-nnul)))
return PROP_STRING;
else if ((len % sizeof(cell_t)) == 0)
return PROP_CELLS;
else
return PROP_BYTES;
}
static void write_propval_string(FILE *f, struct data val)
{
char *str = val.val;
int i;
assert(str[val.len-1] == '\0');
fprintf(f, " = \"");
for (i = 0; i < (val.len-1); i++) {
char c = str[i];
switch (c) {
case '\a':
fprintf(f, "\\a");
break;
case '\b':
fprintf(f, "\\b");
break;
case '\t':
fprintf(f, "\\t");
break;
case '\n':
fprintf(f, "\\n");
break;
case '\v':
fprintf(f, "\\v");
break;
case '\f':
fprintf(f, "\\f");
break;
case '\r':
fprintf(f, "\\r");
break;
case '\\':
fprintf(f, "\\\\");
break;
case '\"':
fprintf(f, "\\\"");
break;
case '\0':
fprintf(f, "\", \"");
break;
default:
if (isprint(c))
fprintf(f, "%c", c);
else
fprintf(f, "\\x%02hhx", c);
}
}
fprintf(f, "\";\n");
}
static void write_propval_cells(FILE *f, struct data val)
{
void *propend = val.val + val.len;
cell_t *cp = (cell_t *)val.val;
fprintf(f, " = <");
for (;;) {
fprintf(f, "%x", be32_to_cpu(*cp++));
if ((void *)cp >= propend)
break;
fprintf(f, " ");
}
fprintf(f, ">;\n");
}
static void write_propval_bytes(FILE *f, struct data val)
{
void *propend = val.val + val.len;
char *bp = val.val;
fprintf(f, " = [");
for (;;) {
fprintf(f, "%02hhx", *bp++);
if ((void *)bp >= propend)
break;
fprintf(f, " ");
}
fprintf(f, "];\n");
}
static void write_tree_source_node(FILE *f, struct node *tree, int level)
{
struct property *prop;
struct node *child;
write_prefix(f, level);
if (tree->name && (*tree->name))
fprintf(f, "%s {\n", tree->name);
else
fprintf(f, "/ {\n");
for_each_property(tree, prop) {
enum proptype type;
write_prefix(f, level);
fprintf(f, "\t%s", prop->name);
type = guess_type(prop);
switch (type) {
case PROP_EMPTY:
fprintf(f, ";\n");
break;
case PROP_STRING:
write_propval_string(f, prop->val);
break;
case PROP_CELLS:
write_propval_cells(f, prop->val);
break;
case PROP_BYTES:
write_propval_bytes(f, prop->val);
break;
}
}
for_each_child(tree, child) {
fprintf(f, "\n");
write_tree_source_node(f, child, level+1);
}
write_prefix(f, level);
fprintf(f, "};\n");
}
void dt_to_source(FILE *f, struct boot_info *bi)
{
struct reserve_info *re;
for (re = bi->reservelist; re; re = re->next) {
fprintf(f, "/memreserve/\t%016llx-%016llx;\n",
(unsigned long long)re->re.address,
(unsigned long long)(re->re.address + re->re.size - 1));
}
write_tree_source_node(f, bi->dt, 0);
}
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