mirror of
https://github.com/AsahiLinux/u-boot
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8bde7f776c
- remove trailing white space, trailing empty lines, C++ comments, etc.
- split cmd_boot.c (separate cmd_bdinfo.c and cmd_load.c)
* Patches by Kenneth Johansson, 25 Jun 2003:
- major rework of command structure
(work done mostly by Michal Cendrowski and Joakim Kristiansen)
174 lines
5 KiB
C
174 lines
5 KiB
C
#ifndef MENU_H
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#define MENU_H
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/* A single menu */
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typedef void (*menu_finish_callback)(struct menu_s *menu);
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typedef struct menu_s
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{
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char *name; /* Menu name */
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int num_options; /* Number of options in this menu */
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int flags; /* Various flags - see below */
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int option_align; /* Aligns options to a field width of this much characters if != 0 */
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struct menu_option_s **options; /* Pointer to this menu's options */
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menu_finish_callback callback; /* Called when the menu closes */
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} menu_t;
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/*
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* type: Type of the option (see below)
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* name: Name to display for this option
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* help: Optional help string
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* id : optional id number
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* sys : pointer for system-specific data, init to NULL and don't touch
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*/
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#define OPTION_PREAMBLE \
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int type; \
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char *name; \
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char *help; \
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int id; \
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void *sys; \
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/*
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* Menu option types.
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* There are a number of different layouts for menu options depending
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* on their types. Currently there are the following possibilities:
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*
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* Submenu:
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* This entry links to a new menu.
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*
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* Boolean:
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* A simple on/off toggle entry. Booleans can be either yes/no, 0/1 or on/off.
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* Optionally, this entry can enable/disable a set of other options. An example would
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* be to enable/disable on-board USB, and if enabled give access to further options like
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* irq settings, base address etc.
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*
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* Text:
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* A single line/limited number of characters text entry box. Text can be restricted
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* to a certain charset (digits/hex digits/all/custom). Result is also available as an
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* int if numeric.
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*
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* Selection:
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* One-of-many type of selection entry. User may choose on of a set of strings, which
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* maps to a specific value for the variable.
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*
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* Routine:
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* Selecting this calls an entry-specific routine. This can be used for saving contents etc.
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*
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* Custom:
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* Display and behaviour of this entry is defined by a set of callbacks.
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*/
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#define MENU_SUBMENU_TYPE 0
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typedef struct menu_submenu_s
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{
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OPTION_PREAMBLE
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menu_t * submenu; /* Pointer to the submenu */
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} menu_submenu_t;
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#define MENU_BOOLEAN_TYPE 1
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typedef struct menu_boolean_s
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{
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OPTION_PREAMBLE
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char *variable; /* Name of the variable to getenv()/setenv() */
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int subtype; /* Subtype (on/off, 0/1, yes/no, enable/disable), see below */
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int mutex; /* Bit mask of options to enable/disable. Bit 0 is the option
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immediately following this one, bit 1 is the next one etc.
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bit 7 = 0 means to disable when this option is off,
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bit 7 = 1 means to disable when this option is on.
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An option is disabled when the type field's upper bit is set */
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} menu_boolean_t;
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/* BOOLEAN Menu flags */
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#define MENU_BOOLEAN_ONOFF 0x01
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#define MENU_BOOLEAN_01 0x02
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#define MENU_BOOLEAN_YESNO 0x03
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#define MENU_BOOLEAN_ENDIS 0x04
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#define MENU_BOOLEAN_TYPE_MASK 0x07
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#define MENU_TEXT_TYPE 2
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typedef struct menu_text_s
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{
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OPTION_PREAMBLE
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char *variable; /* Name of the variable to getenv()/setenv() */
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int maxchars; /* Max number of characters */
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char *charset; /* Optional charset to use */
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int flags; /* Flags - see below */
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} menu_text_t;
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/* TEXT entry menu flags */
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#define MENU_TEXT_NUMERIC 0x01
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#define MENU_TEXT_HEXADECIMAL 0x02
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#define MENU_TEXT_FREE 0x03
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#define MENU_TEXT_TYPE_MASK 0x07
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#define MENU_SELECTION_TYPE 3
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typedef struct menu_select_option_s
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{
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char *map_from; /* Map this variable contents ... */
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char *map_to; /* ... to this menu text and vice versa */
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} menu_select_option_t;
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typedef struct menu_select_s
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{
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OPTION_PREAMBLE
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int num_options; /* Number of mappings */
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menu_select_option_t **options;
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/* Option list array */
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} menu_select_t;
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#define MENU_ROUTINE_TYPE 4
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typedef void (*menu_routine_callback)(struct menu_routine_s *);
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typedef struct menu_routine_s
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{
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OPTION_PREAMBLE
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menu_routine_callback callback;
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/* routine to be called */
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void *user_data; /* User data, don't care for system */
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} menu_routine_t;
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#define MENU_CUSTOM_TYPE 5
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typedef void (*menu_custom_draw)(struct menu_custom_s *);
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typedef void (*menu_custom_key)(struct menu_custom_s *, int);
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typedef struct menu_custom_s
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{
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OPTION_PREAMBLE
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menu_custom_draw drawfunc;
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menu_custom_key keyfunc;
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void *user_data;
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} menu_custom_t;
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/*
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* The menu option superstructure
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*/
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typedef struct menu_option_s
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{
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union
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{
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menu_submenu_t m_sub_menu;
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menu_boolean_t m_boolean;
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menu_text_t m_text;
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menu_select_t m_select;
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menu_routine_t m_routine;
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};
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} menu_option_t;
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/* Init the menu system. Returns <0 on error */
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int menu_init(menu_t *root);
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/* Execute a single menu. Returns <0 on error */
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int menu_do(menu_t *menu);
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#endif
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