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1 /*
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2 * Copyright (C) 2001-2003 Hewlett-Packard Co.
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3 * Contributed by Stephane Eranian <eranian@hpl.hp.com>
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4 *
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5 * This file is part of the ELILO, the EFI Linux boot loader.
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6 *
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7 * ELILO is free software; you can redistribute it and/or modify
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8 * it under the terms of the GNU General Public License as published by
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9 * the Free Software Foundation; either version 2, or (at your option)
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10 * any later version.
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11 *
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12 * ELILO is distributed in the hope that it will be useful,
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13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 * GNU General Public License for more details.
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16 *
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17 * You should have received a copy of the GNU General Public License
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18 * along with ELILO; see the file COPYING. If not, write to the Free
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19 * Software Foundation, 59 Temple Place - Suite 330, Boston, MA
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20 * 02111-1307, USA.
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21 *
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22 * Please check out the elilo.txt for complete documentation on how
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23 * to use this program.
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24 */
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25
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26 #ifndef __ELILO_CONFIG_H__
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27 #define __ELILO_CONFIG_H__
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28
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29 #define opt_offsetof(opt) (&((boot_image_t *)(0x0))->opt)
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30
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31 typedef enum { OPT_NOTUSED, OPT_STR, OPT_CMD, OPT_BOOL, OPT_NUM, OPT_FILE } config_option_type_t;
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32
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33 typedef enum { OPT_GLOBAL, /* global and shared among architectures */
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34 OPT_IMAGE, /* per image only and shared among architectures */
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35 OPT_IMAGE_SYS /* per image and architecture specific (offset base in sys_img_opts) */
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36 } config_option_scope_t;
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37
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38 typedef enum { OPTIONS_GROUP_GLOBAL, /* group must be added to global set of options */
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39 OPTIONS_GROUP_IMAGE, /* group must be added to per-image set of options */
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40 } config_option_group_scope_t;
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41
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42 struct _config_option_t;
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43 typedef INTN option_action_t(struct _config_option_t *, VOID *);
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44
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45 typedef struct _config_option_t {
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46 config_option_type_t type; /* option type: OPT_CMD, OPT_BOOL, ... */
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47 config_option_scope_t scope; /* option scope: global, per image, per image_sys */
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48 CHAR16 *name; /* unicode string for the option */
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49 option_action_t *action; /* option specific action */
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50 INTN (*check)(void *); /* check valid arguments, NULL=don't need */
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51 VOID *data; /* which data structure to record the option */
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52 } config_option_t;
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53
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54 extern INTN register_config_options(config_option_t *opt, UINTN nentries, config_option_group_scope_t);
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55
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56 #endif /* __ELILO_CONFIG_H__ */
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