diff options
Diffstat (limited to 'scripts/dtc/dtc-parser.y')
| -rw-r--r-- | scripts/dtc/dtc-parser.y | 52 |
1 files changed, 39 insertions, 13 deletions
diff --git a/scripts/dtc/dtc-parser.y b/scripts/dtc/dtc-parser.y index dd70ebf386f4..2ec981e86111 100644 --- a/scripts/dtc/dtc-parser.y +++ b/scripts/dtc/dtc-parser.y @@ -70,7 +70,8 @@ extern bool treesource_error; %token <byte> DT_BYTE %token <data> DT_STRING %token <labelref> DT_LABEL -%token <labelref> DT_REF +%token <labelref> DT_LABEL_REF +%token <labelref> DT_PATH_REF %token DT_INCBIN %type <data> propdata @@ -83,6 +84,7 @@ extern bool treesource_error; %type <data> bytestring %type <prop> propdef %type <proplist> proplist +%type <labelref> dt_ref %type <node> devicetree %type <node> nodedef @@ -158,6 +160,8 @@ memreserve: } ; +dt_ref: DT_LABEL_REF | DT_PATH_REF; + devicetree: '/' nodedef { @@ -167,7 +171,7 @@ devicetree: { $$ = merge_nodes($1, $3); } - | DT_REF nodedef + | dt_ref nodedef { /* * We rely on the rule being always: @@ -176,9 +180,12 @@ devicetree: */ if (!($<flags>-1 & DTSF_PLUGIN)) ERROR(&@2, "Label or path %s not found", $1); - $$ = add_orphan_node(name_node(build_node(NULL, NULL), ""), $2, $1); + $$ = add_orphan_node( + name_node(build_node(NULL, NULL, NULL), + ""), + $2, $1); } - | devicetree DT_LABEL DT_REF nodedef + | devicetree DT_LABEL dt_ref nodedef { struct node *target = get_node_by_ref($1, $3); @@ -189,7 +196,7 @@ devicetree: ERROR(&@3, "Label or path %s not found", $3); $$ = $1; } - | devicetree DT_REF nodedef + | devicetree DT_PATH_REF nodedef { /* * We rely on the rule being always: @@ -208,7 +215,26 @@ devicetree: } $$ = $1; } - | devicetree DT_DEL_NODE DT_REF ';' + | devicetree DT_LABEL_REF nodedef + { + struct node *target = get_node_by_ref($1, $2); + + if (target) { + merge_nodes(target, $3); + } else { + /* + * We rely on the rule being always: + * versioninfo plugindecl memreserves devicetree + * so $-1 is what we want (plugindecl) + */ + if ($<flags>-1 & DTSF_PLUGIN) + add_orphan_node($1, $3, $2); + else + ERROR(&@2, "Label or path %s not found", $2); + } + $$ = $1; + } + | devicetree DT_DEL_NODE dt_ref ';' { struct node *target = get_node_by_ref($1, $3); @@ -220,7 +246,7 @@ devicetree: $$ = $1; } - | devicetree DT_OMIT_NO_REF DT_REF ';' + | devicetree DT_OMIT_NO_REF dt_ref ';' { struct node *target = get_node_by_ref($1, $3); @@ -237,7 +263,7 @@ devicetree: nodedef: '{' proplist subnodes '}' ';' { - $$ = build_node($2, $3); + $$ = build_node($2, $3, &@$); } ; @@ -255,11 +281,11 @@ proplist: propdef: DT_PROPNODENAME '=' propdata ';' { - $$ = build_property($1, $3); + $$ = build_property($1, $3, &@$); } | DT_PROPNODENAME ';' { - $$ = build_property($1, empty_data); + $$ = build_property($1, empty_data, &@$); } | DT_DEL_PROP DT_PROPNODENAME ';' { @@ -285,7 +311,7 @@ propdata: { $$ = data_merge($1, $3); } - | propdataprefix DT_REF + | propdataprefix dt_ref { $1 = data_add_marker($1, TYPE_STRING, $2); $$ = data_add_marker($1, REF_PATH, $2); @@ -383,7 +409,7 @@ arrayprefix: $$.data = data_append_integer($1.data, $2, $1.bits); } - | arrayprefix DT_REF + | arrayprefix dt_ref { uint64_t val = ~0ULL >> (64 - $1.bits); @@ -540,7 +566,7 @@ subnode: } | DT_DEL_NODE DT_PROPNODENAME ';' { - $$ = name_node(build_node_delete(), $2); + $$ = name_node(build_node_delete(&@$), $2); } | DT_OMIT_NO_REF subnode { |