mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-08-21 17:38:51 +09:00
![Rob Herring](/assets/img/avatar_default.png)
This adds the following commits from upstream:
aadd0b65c987 checks: centralize printing of property names in failure messages
88960e398907 checks: centralize printing of node path in check_msg
f1879e1a50eb Add limited read-only support for older (V2 and V3) device tree to libfdt.
37dea76e9700 srcpos: drop special handling of tab
65893da4aee0 libfdt: overlay: Add missing license
962a45ca034d Avoid installing pylibfdt when dependencies are missing
cd6ea1b2bea6 Makefile: Split INSTALL out into INSTALL_{PROGRAM,LIB,DATA,SCRIPT}
51b3a16338df Makefile.tests: Add LIBDL make(1) variable for portability sake
333d533a8f4d Attempt to auto-detect stat(1) being used if not given proper invocation
e54388015af1 dtc: Bump version to v1.4.6
a1fe86f380cb fdtoverlay: Switch from using alloca to malloc
c8d5472de3ff tests: Improve compatibility with other platforms
c81d389a10cc checks: add chosen node checks
e671852042a7 checks: add aliases node checks
d0c44ebe3f42 checks: check for #{size,address}-cells without child nodes
18a3d84bb802 checks: add string list check for *-names properties
8fe94fd6f19f checks: add string list check
6c5730819604 checks: add a string check for 'label' property
a384191eba09 checks: fix sound-dai phandle with arg property check
b260c4f610c0 Fix ambiguous grammar for devicetree rule
fe667e382bac tests: Add some basic tests for the pci_bridge checks
7975f6422260 Fix widespread incorrect use of strneq(), replace with new strprefixeq()
fca296445eab Add strstarts() helper function
cc392f089007 tests: Check non-matching cases for fdt_node_check_compatible()
bba26a5291c8 livetree: avoid assertion of orphan phandles with overlays
c8f8194d76cc implement strnlen for systems that need it
c8b38f65fdec libfdt: Remove leading underscores from identifiers
3b62fdaebfe5 Remove leading underscores from identifiers
2d45d1c5c65e Replace FDT_VERSION() with stringify()
2e6fe5a107b5 Fix some errors in comments
b0ae9e4b0ceb tests: Correct warning in sw_tree1.c
Commit c8b38f65fdec upstream ("libfdt: Remove leading underscores from
identifiers") changed the multiple inclusion define protection, so the
kernel's libfdt_env.h needs the corresponding update.
Signed-off-by: Rob Herring <robh@kernel.org>
[ Linux commit: 9130ba884640328bb78aaa4840e5ddf06ccafb1c ]
[erosca: - Fixup conflicts in include/linux/libfdt_env.h caused by v2018.03-rc4
commit b08c8c4870
("libfdt: move headers to <linux/libfdt.h>
and <linux/libfdt_env.h>")
- Fix build errors in lib/libfdt/fdt_ro.c, tools/libfdt/fdt_rw.c by:
- s/_fdt_mem_rsv/fdt_mem_rsv_/
- s/_fdt_offset_ptr/fdt_offset_ptr_/
- s/_fdt_check_node_offset/fdt_check_node_offset_/
- s/_fdt_check_prop_offset/fdt_check_prop_offset_/
- s/_fdt_find_add_string/fdt_find_add_string_/]
Signed-off-by: Eugeniu Rosca <erosca@de.adit-jv.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Masahiro Yamada <yamada.masahiro@socionext.com>
539 lines
10 KiB
Plaintext
539 lines
10 KiB
Plaintext
/*
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* (C) Copyright David Gibson <dwg@au1.ibm.com>, IBM Corporation. 2005.
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*
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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* USA
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*/
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%{
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#include <stdio.h>
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#include <inttypes.h>
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#include "dtc.h"
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#include "srcpos.h"
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extern int yylex(void);
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extern void yyerror(char const *s);
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#define ERROR(loc, ...) \
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do { \
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srcpos_error((loc), "Error", __VA_ARGS__); \
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treesource_error = true; \
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} while (0)
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extern struct dt_info *parser_output;
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extern bool treesource_error;
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%}
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%union {
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char *propnodename;
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char *labelref;
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uint8_t byte;
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struct data data;
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struct {
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struct data data;
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int bits;
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} array;
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struct property *prop;
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struct property *proplist;
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struct node *node;
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struct node *nodelist;
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struct reserve_info *re;
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uint64_t integer;
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unsigned int flags;
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}
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%token DT_V1
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%token DT_PLUGIN
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%token DT_MEMRESERVE
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%token DT_LSHIFT DT_RSHIFT DT_LE DT_GE DT_EQ DT_NE DT_AND DT_OR
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%token DT_BITS
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%token DT_DEL_PROP
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%token DT_DEL_NODE
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%token <propnodename> DT_PROPNODENAME
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%token <integer> DT_LITERAL
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%token <integer> DT_CHAR_LITERAL
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%token <byte> DT_BYTE
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%token <data> DT_STRING
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%token <labelref> DT_LABEL
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%token <labelref> DT_REF
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%token DT_INCBIN
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%type <data> propdata
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%type <data> propdataprefix
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%type <flags> header
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%type <flags> headers
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%type <re> memreserve
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%type <re> memreserves
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%type <array> arrayprefix
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%type <data> bytestring
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%type <prop> propdef
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%type <proplist> proplist
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%type <node> devicetree
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%type <node> nodedef
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%type <node> subnode
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%type <nodelist> subnodes
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%type <integer> integer_prim
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%type <integer> integer_unary
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%type <integer> integer_mul
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%type <integer> integer_add
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%type <integer> integer_shift
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%type <integer> integer_rela
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%type <integer> integer_eq
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%type <integer> integer_bitand
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%type <integer> integer_bitxor
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%type <integer> integer_bitor
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%type <integer> integer_and
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%type <integer> integer_or
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%type <integer> integer_trinary
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%type <integer> integer_expr
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%%
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sourcefile:
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headers memreserves devicetree
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{
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parser_output = build_dt_info($1, $2, $3,
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guess_boot_cpuid($3));
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}
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;
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header:
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DT_V1 ';'
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{
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$$ = DTSF_V1;
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}
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| DT_V1 ';' DT_PLUGIN ';'
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{
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$$ = DTSF_V1 | DTSF_PLUGIN;
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}
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;
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headers:
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header
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| header headers
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{
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if ($2 != $1)
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ERROR(&@2, "Header flags don't match earlier ones");
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$$ = $1;
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}
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;
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memreserves:
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/* empty */
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{
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$$ = NULL;
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}
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| memreserve memreserves
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{
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$$ = chain_reserve_entry($1, $2);
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}
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;
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memreserve:
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DT_MEMRESERVE integer_prim integer_prim ';'
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{
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$$ = build_reserve_entry($2, $3);
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}
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| DT_LABEL memreserve
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{
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add_label(&$2->labels, $1);
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$$ = $2;
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}
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;
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devicetree:
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'/' nodedef
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{
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$$ = name_node($2, "");
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}
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| devicetree '/' nodedef
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{
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$$ = merge_nodes($1, $3);
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}
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| DT_REF nodedef
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{
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/*
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* We rely on the rule being always:
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* versioninfo plugindecl memreserves devicetree
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* so $-1 is what we want (plugindecl)
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*/
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if (!($<flags>-1 & DTSF_PLUGIN))
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ERROR(&@2, "Label or path %s not found", $1);
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$$ = add_orphan_node(name_node(build_node(NULL, NULL), ""), $2, $1);
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}
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| devicetree DT_LABEL DT_REF nodedef
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{
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struct node *target = get_node_by_ref($1, $3);
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if (target) {
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add_label(&target->labels, $2);
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merge_nodes(target, $4);
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} else
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ERROR(&@3, "Label or path %s not found", $3);
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$$ = $1;
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}
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| devicetree DT_REF nodedef
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{
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struct node *target = get_node_by_ref($1, $2);
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if (target) {
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merge_nodes(target, $3);
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} else {
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/*
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* We rely on the rule being always:
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* versioninfo plugindecl memreserves devicetree
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* so $-1 is what we want (plugindecl)
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*/
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if ($<flags>-1 & DTSF_PLUGIN)
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add_orphan_node($1, $3, $2);
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else
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ERROR(&@2, "Label or path %s not found", $2);
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}
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$$ = $1;
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}
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| devicetree DT_DEL_NODE DT_REF ';'
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{
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struct node *target = get_node_by_ref($1, $3);
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if (target)
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delete_node(target);
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else
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ERROR(&@3, "Label or path %s not found", $3);
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$$ = $1;
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}
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;
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nodedef:
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'{' proplist subnodes '}' ';'
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{
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$$ = build_node($2, $3);
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}
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;
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proplist:
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/* empty */
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{
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$$ = NULL;
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}
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| proplist propdef
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{
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$$ = chain_property($2, $1);
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}
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;
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propdef:
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DT_PROPNODENAME '=' propdata ';'
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{
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$$ = build_property($1, $3);
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}
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| DT_PROPNODENAME ';'
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{
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$$ = build_property($1, empty_data);
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}
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| DT_DEL_PROP DT_PROPNODENAME ';'
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{
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$$ = build_property_delete($2);
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}
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| DT_LABEL propdef
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{
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add_label(&$2->labels, $1);
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$$ = $2;
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}
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;
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propdata:
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propdataprefix DT_STRING
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{
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$$ = data_merge($1, $2);
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}
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| propdataprefix arrayprefix '>'
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{
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$$ = data_merge($1, $2.data);
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}
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| propdataprefix '[' bytestring ']'
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{
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$$ = data_merge($1, $3);
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}
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| propdataprefix DT_REF
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{
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$$ = data_add_marker($1, REF_PATH, $2);
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}
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| propdataprefix DT_INCBIN '(' DT_STRING ',' integer_prim ',' integer_prim ')'
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{
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FILE *f = srcfile_relative_open($4.val, NULL);
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struct data d;
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if ($6 != 0)
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if (fseek(f, $6, SEEK_SET) != 0)
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die("Couldn't seek to offset %llu in \"%s\": %s",
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(unsigned long long)$6, $4.val,
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strerror(errno));
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d = data_copy_file(f, $8);
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$$ = data_merge($1, d);
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fclose(f);
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}
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| propdataprefix DT_INCBIN '(' DT_STRING ')'
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{
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FILE *f = srcfile_relative_open($4.val, NULL);
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struct data d = empty_data;
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d = data_copy_file(f, -1);
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$$ = data_merge($1, d);
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fclose(f);
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}
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| propdata DT_LABEL
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{
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$$ = data_add_marker($1, LABEL, $2);
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}
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;
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propdataprefix:
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/* empty */
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{
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$$ = empty_data;
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}
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| propdata ','
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{
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$$ = $1;
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}
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| propdataprefix DT_LABEL
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{
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$$ = data_add_marker($1, LABEL, $2);
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}
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;
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arrayprefix:
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DT_BITS DT_LITERAL '<'
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{
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unsigned long long bits;
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bits = $2;
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if ((bits != 8) && (bits != 16) &&
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(bits != 32) && (bits != 64)) {
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ERROR(&@2, "Array elements must be"
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" 8, 16, 32 or 64-bits");
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bits = 32;
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}
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$$.data = empty_data;
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$$.bits = bits;
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}
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| '<'
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{
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$$.data = empty_data;
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$$.bits = 32;
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}
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| arrayprefix integer_prim
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{
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if ($1.bits < 64) {
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uint64_t mask = (1ULL << $1.bits) - 1;
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/*
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* Bits above mask must either be all zero
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* (positive within range of mask) or all one
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* (negative and sign-extended). The second
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* condition is true if when we set all bits
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* within the mask to one (i.e. | in the
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* mask), all bits are one.
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*/
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if (($2 > mask) && (($2 | mask) != -1ULL))
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ERROR(&@2, "Value out of range for"
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" %d-bit array element", $1.bits);
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}
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$$.data = data_append_integer($1.data, $2, $1.bits);
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}
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| arrayprefix DT_REF
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{
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uint64_t val = ~0ULL >> (64 - $1.bits);
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if ($1.bits == 32)
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$1.data = data_add_marker($1.data,
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REF_PHANDLE,
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$2);
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else
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ERROR(&@2, "References are only allowed in "
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"arrays with 32-bit elements.");
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$$.data = data_append_integer($1.data, val, $1.bits);
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}
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| arrayprefix DT_LABEL
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{
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$$.data = data_add_marker($1.data, LABEL, $2);
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}
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;
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integer_prim:
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DT_LITERAL
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| DT_CHAR_LITERAL
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| '(' integer_expr ')'
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{
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$$ = $2;
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}
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;
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integer_expr:
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integer_trinary
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;
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integer_trinary:
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integer_or
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| integer_or '?' integer_expr ':' integer_trinary { $$ = $1 ? $3 : $5; }
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;
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integer_or:
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integer_and
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| integer_or DT_OR integer_and { $$ = $1 || $3; }
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;
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integer_and:
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integer_bitor
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| integer_and DT_AND integer_bitor { $$ = $1 && $3; }
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;
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integer_bitor:
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integer_bitxor
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| integer_bitor '|' integer_bitxor { $$ = $1 | $3; }
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;
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integer_bitxor:
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integer_bitand
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| integer_bitxor '^' integer_bitand { $$ = $1 ^ $3; }
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;
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integer_bitand:
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integer_eq
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| integer_bitand '&' integer_eq { $$ = $1 & $3; }
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;
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integer_eq:
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integer_rela
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| integer_eq DT_EQ integer_rela { $$ = $1 == $3; }
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| integer_eq DT_NE integer_rela { $$ = $1 != $3; }
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;
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integer_rela:
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integer_shift
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| integer_rela '<' integer_shift { $$ = $1 < $3; }
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| integer_rela '>' integer_shift { $$ = $1 > $3; }
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| integer_rela DT_LE integer_shift { $$ = $1 <= $3; }
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| integer_rela DT_GE integer_shift { $$ = $1 >= $3; }
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;
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integer_shift:
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integer_shift DT_LSHIFT integer_add { $$ = $1 << $3; }
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| integer_shift DT_RSHIFT integer_add { $$ = $1 >> $3; }
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| integer_add
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;
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integer_add:
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integer_add '+' integer_mul { $$ = $1 + $3; }
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| integer_add '-' integer_mul { $$ = $1 - $3; }
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| integer_mul
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;
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integer_mul:
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integer_mul '*' integer_unary { $$ = $1 * $3; }
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| integer_mul '/' integer_unary
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{
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if ($3 != 0) {
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$$ = $1 / $3;
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} else {
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ERROR(&@$, "Division by zero");
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$$ = 0;
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}
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}
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| integer_mul '%' integer_unary
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{
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if ($3 != 0) {
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$$ = $1 % $3;
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} else {
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ERROR(&@$, "Division by zero");
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$$ = 0;
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}
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}
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| integer_unary
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;
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integer_unary:
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integer_prim
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| '-' integer_unary { $$ = -$2; }
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| '~' integer_unary { $$ = ~$2; }
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| '!' integer_unary { $$ = !$2; }
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;
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bytestring:
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/* empty */
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|
{
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$$ = empty_data;
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}
|
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| bytestring DT_BYTE
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|
{
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$$ = data_append_byte($1, $2);
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}
|
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| bytestring DT_LABEL
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{
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$$ = data_add_marker($1, LABEL, $2);
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}
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|
;
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subnodes:
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/* empty */
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|
{
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$$ = NULL;
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}
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| subnode subnodes
|
|
{
|
|
$$ = chain_node($1, $2);
|
|
}
|
|
| subnode propdef
|
|
{
|
|
ERROR(&@2, "Properties must precede subnodes");
|
|
YYERROR;
|
|
}
|
|
;
|
|
|
|
subnode:
|
|
DT_PROPNODENAME nodedef
|
|
{
|
|
$$ = name_node($2, $1);
|
|
}
|
|
| DT_DEL_NODE DT_PROPNODENAME ';'
|
|
{
|
|
$$ = name_node(build_node_delete(), $2);
|
|
}
|
|
| DT_LABEL subnode
|
|
{
|
|
add_label(&$2->labels, $1);
|
|
$$ = $2;
|
|
}
|
|
;
|
|
|
|
%%
|
|
|
|
void yyerror(char const *s)
|
|
{
|
|
ERROR(&yylloc, "%s", s);
|
|
}
|