mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-08-31 22:39:08 +09:00
![Tom Rini](/assets/img/avatar_default.png)
This adds the following commits from upstream: 558cd81bdd43 dtc: Bump version to v1.4.4 c17a811c62eb fdtput: Remove star from value_len documentation 194d5caaefcb fdtget: Use @return to document the return value d922ecdd017b tests: Make realloc_fdt() really allocate *fdt 921cc17fec29 libfdt: overlay: Check the value of the right variable 9ffdf60bf463 dtc: Simplify asm_emit_string() implementation 881012e44386 libfdt: Change names of sparse helper macros bad5b28049e5 Fix assorted sparse warnings 672ac09ea04d Clean up gcc attributes 49300f2ade6a dtc: Don't abuse struct fdt_reserve_entry Signed-off-by: Tom Rini <trini@konsulko.com>
285 lines
6.0 KiB
C
285 lines
6.0 KiB
C
/*
|
|
* (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 YYLTYPE yylloc;
|
|
|
|
struct dt_info *parser_output;
|
|
bool treesource_error;
|
|
|
|
struct dt_info *dt_from_source(const char *fname)
|
|
{
|
|
parser_output = NULL;
|
|
treesource_error = false;
|
|
|
|
srcfile_push(fname);
|
|
yyin = current_srcfile->f;
|
|
yylloc.file = current_srcfile;
|
|
|
|
if (yyparse() != 0)
|
|
die("Unable to parse input tree\n");
|
|
|
|
if (treesource_error)
|
|
die("Syntax error parsing input tree\n");
|
|
|
|
return parser_output;
|
|
}
|
|
|
|
static void write_prefix(FILE *f, int level)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < level; i++)
|
|
fputc('\t', f);
|
|
}
|
|
|
|
static bool isstring(char c)
|
|
{
|
|
return (isprint((unsigned char)c)
|
|
|| (c == '\0')
|
|
|| strchr("\a\b\t\n\v\f\r", c));
|
|
}
|
|
|
|
static void write_propval_string(FILE *f, struct data val)
|
|
{
|
|
const char *str = val.val;
|
|
int i;
|
|
struct marker *m = val.markers;
|
|
|
|
assert(str[val.len-1] == '\0');
|
|
|
|
while (m && (m->offset == 0)) {
|
|
if (m->type == LABEL)
|
|
fprintf(f, "%s: ", m->ref);
|
|
m = m->next;
|
|
}
|
|
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, "\", ");
|
|
while (m && (m->offset <= (i + 1))) {
|
|
if (m->type == LABEL) {
|
|
assert(m->offset == (i+1));
|
|
fprintf(f, "%s: ", m->ref);
|
|
}
|
|
m = m->next;
|
|
}
|
|
fprintf(f, "\"");
|
|
break;
|
|
default:
|
|
if (isprint((unsigned char)c))
|
|
fprintf(f, "%c", c);
|
|
else
|
|
fprintf(f, "\\x%02hhx", c);
|
|
}
|
|
}
|
|
fprintf(f, "\"");
|
|
|
|
/* Wrap up any labels at the end of the value */
|
|
for_each_marker_of_type(m, LABEL) {
|
|
assert (m->offset == val.len);
|
|
fprintf(f, " %s:", m->ref);
|
|
}
|
|
}
|
|
|
|
static void write_propval_cells(FILE *f, struct data val)
|
|
{
|
|
void *propend = val.val + val.len;
|
|
fdt32_t *cp = (fdt32_t *)val.val;
|
|
struct marker *m = val.markers;
|
|
|
|
fprintf(f, "<");
|
|
for (;;) {
|
|
while (m && (m->offset <= ((char *)cp - val.val))) {
|
|
if (m->type == LABEL) {
|
|
assert(m->offset == ((char *)cp - val.val));
|
|
fprintf(f, "%s: ", m->ref);
|
|
}
|
|
m = m->next;
|
|
}
|
|
|
|
fprintf(f, "0x%x", fdt32_to_cpu(*cp++));
|
|
if ((void *)cp >= propend)
|
|
break;
|
|
fprintf(f, " ");
|
|
}
|
|
|
|
/* Wrap up any labels at the end of the value */
|
|
for_each_marker_of_type(m, LABEL) {
|
|
assert (m->offset == val.len);
|
|
fprintf(f, " %s:", m->ref);
|
|
}
|
|
fprintf(f, ">");
|
|
}
|
|
|
|
static void write_propval_bytes(FILE *f, struct data val)
|
|
{
|
|
void *propend = val.val + val.len;
|
|
const char *bp = val.val;
|
|
struct marker *m = val.markers;
|
|
|
|
fprintf(f, "[");
|
|
for (;;) {
|
|
while (m && (m->offset == (bp-val.val))) {
|
|
if (m->type == LABEL)
|
|
fprintf(f, "%s: ", m->ref);
|
|
m = m->next;
|
|
}
|
|
|
|
fprintf(f, "%02hhx", (unsigned char)(*bp++));
|
|
if ((const void *)bp >= propend)
|
|
break;
|
|
fprintf(f, " ");
|
|
}
|
|
|
|
/* Wrap up any labels at the end of the value */
|
|
for_each_marker_of_type(m, LABEL) {
|
|
assert (m->offset == val.len);
|
|
fprintf(f, " %s:", m->ref);
|
|
}
|
|
fprintf(f, "]");
|
|
}
|
|
|
|
static void write_propval(FILE *f, struct property *prop)
|
|
{
|
|
int len = prop->val.len;
|
|
const char *p = prop->val.val;
|
|
struct marker *m = prop->val.markers;
|
|
int nnotstring = 0, nnul = 0;
|
|
int nnotstringlbl = 0, nnotcelllbl = 0;
|
|
int i;
|
|
|
|
if (len == 0) {
|
|
fprintf(f, ";\n");
|
|
return;
|
|
}
|
|
|
|
for (i = 0; i < len; i++) {
|
|
if (! isstring(p[i]))
|
|
nnotstring++;
|
|
if (p[i] == '\0')
|
|
nnul++;
|
|
}
|
|
|
|
for_each_marker_of_type(m, LABEL) {
|
|
if ((m->offset > 0) && (prop->val.val[m->offset - 1] != '\0'))
|
|
nnotstringlbl++;
|
|
if ((m->offset % sizeof(cell_t)) != 0)
|
|
nnotcelllbl++;
|
|
}
|
|
|
|
fprintf(f, " = ");
|
|
if ((p[len-1] == '\0') && (nnotstring == 0) && (nnul < (len-nnul))
|
|
&& (nnotstringlbl == 0)) {
|
|
write_propval_string(f, prop->val);
|
|
} else if (((len % sizeof(cell_t)) == 0) && (nnotcelllbl == 0)) {
|
|
write_propval_cells(f, prop->val);
|
|
} else {
|
|
write_propval_bytes(f, prop->val);
|
|
}
|
|
|
|
fprintf(f, ";\n");
|
|
}
|
|
|
|
static void write_tree_source_node(FILE *f, struct node *tree, int level)
|
|
{
|
|
struct property *prop;
|
|
struct node *child;
|
|
struct label *l;
|
|
|
|
write_prefix(f, level);
|
|
for_each_label(tree->labels, l)
|
|
fprintf(f, "%s: ", l->label);
|
|
if (tree->name && (*tree->name))
|
|
fprintf(f, "%s {\n", tree->name);
|
|
else
|
|
fprintf(f, "/ {\n");
|
|
|
|
for_each_property(tree, prop) {
|
|
write_prefix(f, level+1);
|
|
for_each_label(prop->labels, l)
|
|
fprintf(f, "%s: ", l->label);
|
|
fprintf(f, "%s", prop->name);
|
|
write_propval(f, prop);
|
|
}
|
|
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 dt_info *dti)
|
|
{
|
|
struct reserve_info *re;
|
|
|
|
fprintf(f, "/dts-v1/;\n\n");
|
|
|
|
for (re = dti->reservelist; re; re = re->next) {
|
|
struct label *l;
|
|
|
|
for_each_label(re->labels, l)
|
|
fprintf(f, "%s: ", l->label);
|
|
fprintf(f, "/memreserve/\t0x%016llx 0x%016llx;\n",
|
|
(unsigned long long)re->address,
|
|
(unsigned long long)re->size);
|
|
}
|
|
|
|
write_tree_source_node(f, dti->dt, 0);
|
|
}
|
|
|