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-rw-r--r--scripts/dtc/treesource.c124
1 files changed, 80 insertions, 44 deletions
diff --git a/scripts/dtc/treesource.c b/scripts/dtc/treesource.c
index f99544d723..1af36628b7 100644
--- a/scripts/dtc/treesource.c
+++ b/scripts/dtc/treesource.c
@@ -64,6 +64,10 @@ static bool isstring(char c)
static void write_propval_string(FILE *f, const char *s, size_t len)
{
const char *end = s + len - 1;
+
+ if (!len)
+ return;
+
assert(*end == '\0');
fprintf(f, "\"");
@@ -118,29 +122,36 @@ static void write_propval_int(FILE *f, const char *p, size_t len, size_t width)
for (; p < end; p += width) {
switch (width) {
case 1:
- fprintf(f, " %02"PRIx8, *(const uint8_t*)p);
+ fprintf(f, "%02"PRIx8, *(const uint8_t*)p);
break;
case 2:
- fprintf(f, " 0x%02"PRIx16, fdt16_to_cpu(*(const fdt16_t*)p));
+ fprintf(f, "0x%02"PRIx16, fdt16_to_cpu(*(const fdt16_t*)p));
break;
case 4:
- fprintf(f, " 0x%02"PRIx32, fdt32_to_cpu(*(const fdt32_t*)p));
+ fprintf(f, "0x%02"PRIx32, fdt32_to_cpu(*(const fdt32_t*)p));
break;
case 8:
- fprintf(f, " 0x%02"PRIx64, fdt64_to_cpu(*(const fdt64_t*)p));
+ fprintf(f, "0x%02"PRIx64, fdt64_to_cpu(*(const fdt64_t*)p));
break;
}
+ if (p + width < end)
+ fputc(' ', f);
}
}
+static bool has_data_type_information(struct marker *m)
+{
+ return m->type >= TYPE_UINT8;
+}
+
static struct marker *next_type_marker(struct marker *m)
{
- while (m && (m->type == LABEL || m->type == REF_PHANDLE || m->type == REF_PATH))
+ while (m && !has_data_type_information(m))
m = m->next;
return m;
}
-static size_t type_marker_length(struct marker *m)
+size_t type_marker_length(struct marker *m)
{
struct marker *next = next_type_marker(m->next);
@@ -157,10 +168,10 @@ static const char *delim_start[] = {
[TYPE_STRING] = "",
};
static const char *delim_end[] = {
- [TYPE_UINT8] = " ]",
- [TYPE_UINT16] = " >",
- [TYPE_UINT32] = " >",
- [TYPE_UINT64] = " >",
+ [TYPE_UINT8] = "]",
+ [TYPE_UINT16] = ">",
+ [TYPE_UINT32] = ">",
+ [TYPE_UINT64] = ">",
[TYPE_STRING] = "",
};
@@ -203,13 +214,22 @@ static void write_propval(FILE *f, struct property *prop)
struct marker *m = prop->val.markers;
struct marker dummy_marker;
enum markertype emit_type = TYPE_NONE;
+ char *srcstr;
if (len == 0) {
- fprintf(f, ";\n");
+ fprintf(f, ";");
+ if (annotate) {
+ srcstr = srcpos_string_first(prop->srcpos, annotate);
+ if (srcstr) {
+ fprintf(f, " /* %s */", srcstr);
+ free(srcstr);
+ }
+ }
+ fprintf(f, "\n");
return;
}
- fprintf(f, " = ");
+ fprintf(f, " =");
if (!next_type_marker(m)) {
/* data type information missing, need to guess */
@@ -220,32 +240,23 @@ static void write_propval(FILE *f, struct property *prop)
m = &dummy_marker;
}
- struct marker *m_label = prop->val.markers;
for_each_marker(m) {
- size_t chunk_len;
+ size_t chunk_len = (m->next ? m->next->offset : len) - m->offset;
+ size_t data_len = type_marker_length(m) ? : len - m->offset;
const char *p = &prop->val.val[m->offset];
- if (m->type < TYPE_UINT8)
- continue;
-
- chunk_len = type_marker_length(m);
- if (!chunk_len)
- chunk_len = len - m->offset;
-
- if (emit_type != TYPE_NONE)
- fprintf(f, "%s, ", delim_end[emit_type]);
- emit_type = m->type;
-
- for_each_marker_of_type(m_label, LABEL) {
- if (m_label->offset > m->offset)
- break;
- fprintf(f, "%s: ", m_label->ref);
- }
-
- fprintf(f, "%s", delim_start[emit_type]);
+ if (has_data_type_information(m)) {
+ emit_type = m->type;
+ fprintf(f, " %s", delim_start[emit_type]);
+ } else if (m->type == LABEL)
+ fprintf(f, " %s:", m->ref);
+ else if (m->offset)
+ fputc(' ', f);
- if (chunk_len <= 0)
+ if (emit_type == TYPE_NONE) {
+ assert(chunk_len == 0);
continue;
+ }
switch(emit_type) {
case TYPE_UINT16:
@@ -263,15 +274,23 @@ static void write_propval(FILE *f, struct property *prop)
default:
write_propval_int(f, p, chunk_len, 1);
}
- }
- /* Wrap up any labels at the end of the value */
- for_each_marker_of_type(m_label, LABEL) {
- assert (m_label->offset == len);
- fprintf(f, " %s:", m_label->ref);
+ if (chunk_len == data_len) {
+ size_t pos = m->offset + chunk_len;
+ fprintf(f, pos == len ? "%s" : "%s,",
+ delim_end[emit_type] ? : "");
+ emit_type = TYPE_NONE;
+ }
}
-
- fprintf(f, "%s;\n", delim_end[emit_type] ? : "");
+ fprintf(f, ";");
+ if (annotate) {
+ srcstr = srcpos_string_first(prop->srcpos, annotate);
+ if (srcstr) {
+ fprintf(f, " /* %s */", srcstr);
+ free(srcstr);
+ }
+ }
+ fprintf(f, "\n");
}
static void write_tree_source_node(FILE *f, struct node *tree, int level)
@@ -279,14 +298,24 @@ static void write_tree_source_node(FILE *f, struct node *tree, int level)
struct property *prop;
struct node *child;
struct label *l;
+ char *srcstr;
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);
+ fprintf(f, "%s {", tree->name);
else
- fprintf(f, "/ {\n");
+ fprintf(f, "/ {");
+
+ if (annotate) {
+ srcstr = srcpos_string_first(tree->srcpos, annotate);
+ if (srcstr) {
+ fprintf(f, " /* %s */", srcstr);
+ free(srcstr);
+ }
+ }
+ fprintf(f, "\n");
for_each_property(tree, prop) {
write_prefix(f, level+1);
@@ -300,10 +329,17 @@ static void write_tree_source_node(FILE *f, struct node *tree, int level)
write_tree_source_node(f, child, level+1);
}
write_prefix(f, level);
- fprintf(f, "};\n");
+ fprintf(f, "};");
+ if (annotate) {
+ srcstr = srcpos_string_last(tree->srcpos, annotate);
+ if (srcstr) {
+ fprintf(f, " /* %s */", srcstr);
+ free(srcstr);
+ }
+ }
+ fprintf(f, "\n");
}
-
void dt_to_source(FILE *f, struct dt_info *dti)
{
struct reserve_info *re;