9497fcb742
The idea of "annotation" for firmware sections was pretty flexible, but in future we will want multiple attributes applied to same area. For example, indicate the section must be preserved when updating firmware so serial number or MAC address can be preserved. The solution here is to extend annotation so it can take multiple identifiers (flags) in a row. For example, to declare a 64KB COREBOOT section as CBFS using annotation: COREBOOT(CBFS)@0x0 64k If there's a new flag "PRESERVE" indicating the section must be preserved before update, we can declare it following CBFS flag: COREBOOT(CBFS PRESERVE)@0x0 64k The flags are directly parsed in fmd_parser, and stored in an union flashmap_flags. Output modules can choose to ignore or process the flags. Currently the only supported flag is "CBFS" (for backward compatible with annotation). There will be more new flags in follow up patches. BUG=chromium:936768 TEST=make; boots on x86 "google/eve" and arm "google/kukui" devices Change-Id: Ie2d99f570e6faff6ed3a4344d6af7526a4515fae Signed-off-by: Hung-Te Lin <hungte@chromium.org> Reviewed-on: https://review.coreboot.org/c/coreboot/+/31706 Reviewed-by: Julius Werner <jwerner@chromium.org> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
114 lines
3 KiB
Text
114 lines
3 KiB
Text
/* A Bison parser, made by GNU Bison 3.0.4. */
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/* Bison interface for Yacc-like parsers in C
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Copyright (C) 1984, 1989-1990, 2000-2015 Free Software Foundation, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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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
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GNU General Public License for more details.
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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, see <http://www.gnu.org/licenses/>. */
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/* As a special exception, you may create a larger work that contains
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part or all of the Bison parser skeleton and distribute that work
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under terms of your choice, so long as that work isn't itself a
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parser generator using the skeleton or a modified version thereof
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as a parser skeleton. Alternatively, if you modify or redistribute
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the parser skeleton itself, you may (at your option) remove this
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special exception, which will cause the skeleton and the resulting
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Bison output files to be licensed under the GNU General Public
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License without this special exception.
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This special exception was added by the Free Software Foundation in
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version 2.2 of Bison. */
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#ifndef YY_YY_Y_TAB_H_INCLUDED
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# define YY_YY_Y_TAB_H_INCLUDED
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/* Debug traces. */
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#ifndef YYDEBUG
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# define YYDEBUG 0
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#endif
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#if YYDEBUG
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extern int yydebug;
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#endif
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/* "%code requires" blocks. */
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#line 34 "fmd_parser.y" /* yacc.c:1909 */
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#include "fmd.h"
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#include "option.h"
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#include <stdbool.h>
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struct descriptor_node {
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struct flashmap_descriptor *val;
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struct descriptor_node *next;
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};
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struct descriptor_list {
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size_t len;
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struct descriptor_node *head;
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struct descriptor_node *tail;
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};
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extern struct flashmap_descriptor *res;
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struct flashmap_descriptor *parse_descriptor(
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char *name, union flashmap_flags flags, struct unsigned_option offset,
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struct unsigned_option size, struct descriptor_list children);
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void yyerror(const char *s);
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#line 69 "y.tab.h" /* yacc.c:1909 */
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/* Token type. */
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#ifndef YYTOKENTYPE
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# define YYTOKENTYPE
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enum yytokentype
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{
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INTEGER = 258,
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OCTAL = 259,
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STRING = 260,
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FLAG_CBFS = 261
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};
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#endif
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/* Tokens. */
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#define INTEGER 258
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#define OCTAL 259
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#define STRING 260
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#define FLAG_CBFS 261
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/* Value type. */
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#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
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union YYSTYPE
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{
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#line 25 "fmd_parser.y" /* yacc.c:1909 */
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unsigned intval;
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char *strval;
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struct unsigned_option maybe_intval;
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struct flashmap_descriptor *region_ptr;
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union flashmap_flags flags;
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struct descriptor_list region_listhdr;
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#line 102 "y.tab.h" /* yacc.c:1909 */
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};
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typedef union YYSTYPE YYSTYPE;
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# define YYSTYPE_IS_TRIVIAL 1
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# define YYSTYPE_IS_DECLARED 1
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#endif
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extern YYSTYPE yylval;
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int yyparse (void);
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#endif /* !YY_YY_Y_TAB_H_INCLUDED */
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