diff mbox series

[v4,2/4] eficonfig: refactor change boot order implementation

Message ID 20230120084358.5919-3-masahisa.kojima@linaro.org
State Superseded
Headers show
Series eficonfig: add vertical scroll support and refactoring | expand

Commit Message

Masahisa Kojima Jan. 20, 2023, 8:43 a.m. UTC
This commit removes the change boot order specific
menu implementation. The change boot order implementation
calls eficonfig_process_common() same as other menus.

The change boot order menu requires own item_data_print
and item_choice implementation, but display_statusline
function can be a same function as other menus.

Signed-off-by: Masahisa Kojima <masahisa.kojima@linaro.org>
Acked-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
---
No update since v3

Changes in v3:
- modify "reverse" local variable type to bool

Changes in v2:
- add comment when the user key press is not valid
- add const qualifier to eficonfig_change_boot_order_desc

 cmd/eficonfig.c | 246 +++++++++++++++++++++++++++++-------------------
 1 file changed, 151 insertions(+), 95 deletions(-)

Comments

Ilias Apalodimas Jan. 23, 2023, 2:57 p.m. UTC | #1
On Fri, Jan 20, 2023 at 05:43:56PM +0900, Masahisa Kojima wrote:
> This commit removes the change boot order specific
> menu implementation. The change boot order implementation
> calls eficonfig_process_common() same as other menus.
>
> The change boot order menu requires own item_data_print
> and item_choice implementation, but display_statusline
> function can be a same function as other menus.
>
> Signed-off-by: Masahisa Kojima <masahisa.kojima@linaro.org>
> Acked-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
> ---
> No update since v3
>
> Changes in v3:
> - modify "reverse" local variable type to bool
>
> Changes in v2:
> - add comment when the user key press is not valid
> - add const qualifier to eficonfig_change_boot_order_desc
>
>  cmd/eficonfig.c | 246 +++++++++++++++++++++++++++++-------------------
>  1 file changed, 151 insertions(+), 95 deletions(-)
>
> diff --git a/cmd/eficonfig.c b/cmd/eficonfig.c
> index 24d6bdb6bf..01bd1b05bc 100644
> --- a/cmd/eficonfig.c
> +++ b/cmd/eficonfig.c
> @@ -25,6 +25,11 @@ static struct efi_simple_text_input_protocol *cin;
>  const char *eficonfig_menu_desc =
>  	"  Press UP/DOWN to move, ENTER to select, ESC/CTRL+C to quit";
>
> +static const char *eficonfig_change_boot_order_desc =
> +	"  Press UP/DOWN to move, +/- to change orde\n"
> +	"  Press SPACE to activate or deactivate the entry\n"
> +	"  Select [Save] to complete, ESC/CTRL+C to quit";
> +
>  #define EFICONFIG_DESCRIPTION_MAX 32
>  #define EFICONFIG_OPTIONAL_DATA_MAX 64
>
> @@ -106,6 +111,17 @@ struct eficonfig_boot_order_data {
>  	bool active;
>  };
>
> +/**
> + * struct eficonfig_save_boot_order_data - structure to be used to change boot order
> + *
> + * @efi_menu:		pointer to efimenu structure
> + * @selected:		flag to indicate user selects "Save" entry
> + */
> +struct eficonfig_save_boot_order_data {
> +	struct efimenu *efi_menu;
> +	bool selected;
> +};
> +
>  /**
>   * eficonfig_print_msg() - print message
>   *
> @@ -174,10 +190,9 @@ void eficonfig_display_statusline(struct menu *m)
>  	      "\n%s\n"
>  	       ANSI_CURSOR_POSITION ANSI_CLEAR_LINE ANSI_CURSOR_POSITION
>  	       "%s"
> -	       ANSI_CLEAR_LINE_TO_END ANSI_CURSOR_POSITION ANSI_CLEAR_LINE,
> +	       ANSI_CLEAR_LINE_TO_END,
>  	       1, 1, entry->efi_menu->menu_header, entry->efi_menu->count + 5, 1,
> -	       entry->efi_menu->count + 6, 1, entry->efi_menu->menu_desc,
> -	       entry->efi_menu->count + 7, 1);
> +	       entry->efi_menu->count + 6, 1, entry->efi_menu->menu_desc);
>  }
>
>  /**
> @@ -1844,63 +1859,44 @@ out:
>  }
>
>  /**
> - * eficonfig_display_change_boot_order() - display the BootOrder list
> + * eficonfig_print_change_boot_order_entry() - print the boot option entry
>   *
> - * @efi_menu:	pointer to the efimenu structure
> - * Return:	status code
> + * @data:	pointer to the data associated with each menu entry
>   */
> -static void eficonfig_display_change_boot_order(struct efimenu *efi_menu)
> +static void eficonfig_print_change_boot_order_entry(void *data)
>  {
> -	bool reverse;
> -	struct list_head *pos, *n;
> -	struct eficonfig_entry *entry;
> -
> -	printf(ANSI_CLEAR_CONSOLE ANSI_CURSOR_POSITION
> -	       "\n  ** Change Boot Order **\n"
> -	       ANSI_CURSOR_POSITION
> -	       "  Press UP/DOWN to move, +/- to change order"
> -	       ANSI_CURSOR_POSITION
> -	       "  Press SPACE to activate or deactivate the entry"
> -	       ANSI_CURSOR_POSITION
> -	       "  Select [Save] to complete, ESC/CTRL+C to quit"
> -	       ANSI_CURSOR_POSITION ANSI_CLEAR_LINE,
> -	       1, 1, efi_menu->count + 5, 1, efi_menu->count + 6, 1,
> -	       efi_menu->count + 7, 1,  efi_menu->count + 8, 1);
> -
> -	/* draw boot option list */
> -	list_for_each_safe(pos, n, &efi_menu->list) {
> -		entry = list_entry(pos, struct eficonfig_entry, list);
> -		reverse = (entry->num == efi_menu->active);
> +	struct eficonfig_entry *entry = data;
> +	bool reverse = (entry->efi_menu->active == entry->num);
>
> -		printf(ANSI_CURSOR_POSITION, entry->num + 4, 7);
> +	printf(ANSI_CURSOR_POSITION, entry->num + 4, 7);
>
> -		if (reverse)
> -			puts(ANSI_COLOR_REVERSE);
> +	if (reverse)
> +		puts(ANSI_COLOR_REVERSE);
>
> -		if (entry->num < efi_menu->count - 2) {
> -			if (((struct eficonfig_boot_order_data *)entry->data)->active)
> -				printf("[*]  ");
> -			else
> -				printf("[ ]  ");
> -		}
> +	if (entry->num < entry->efi_menu->count - 2) {
> +		if (((struct eficonfig_boot_order_data *)entry->data)->active)
> +			printf("[*]  ");
> +		else
> +			printf("[ ]  ");
> +	}
>
> -		printf("%s", entry->title);
> +	printf("%s", entry->title);
>
> -		if (reverse)
> -			puts(ANSI_COLOR_RESET);
> -	}
> +	if (reverse)
> +		puts(ANSI_COLOR_RESET);
>  }
>
>  /**
> - * eficonfig_choice_change_boot_order() - handle the BootOrder update
> + * eficonfig_choice_change_boot_order() - user key input handler
>   *
> - * @efi_menu:	pointer to the efimenu structure
> - * Return:	status code
> + * @data:	pointer to the menu entry
> + * Return:	key string to identify the selected entry
>   */
> -static efi_status_t eficonfig_choice_change_boot_order(struct efimenu *efi_menu)
> +char *eficonfig_choice_change_boot_order(void *data)
>  {
>  	struct cli_ch_state s_cch, *cch = &s_cch;
>  	struct list_head *pos, *n;
> +	struct efimenu *efi_menu = data;
>  	enum bootmenu_key key = BKEY_NONE;
>  	struct eficonfig_entry *entry, *tmp;
>
> @@ -1926,7 +1922,7 @@ static efi_status_t eficonfig_choice_change_boot_order(struct efimenu *efi_menu)
>  		case BKEY_UP:
>  			if (efi_menu->active > 0)
>  				--efi_menu->active;
> -			return EFI_NOT_READY;
> +			return NULL;
>  		case BKEY_MINUS:
>  			if (efi_menu->active < efi_menu->count - 3) {
>  				list_for_each_safe(pos, n, &efi_menu->list) {
> @@ -1942,20 +1938,29 @@ static efi_status_t eficonfig_choice_change_boot_order(struct efimenu *efi_menu)
>
>  				++efi_menu->active;
>  			}
> -			return EFI_NOT_READY;
> +			return NULL;
>  		case BKEY_DOWN:
>  			if (efi_menu->active < efi_menu->count - 1)
>  				++efi_menu->active;
> -			return EFI_NOT_READY;
> +			return NULL;
>  		case BKEY_SELECT:
>  			/* "Save" */
> -			if (efi_menu->active == efi_menu->count - 2)
> -				return EFI_SUCCESS;
> -
> +			if (efi_menu->active == efi_menu->count - 2) {
> +				list_for_each_prev_safe(pos, n, &efi_menu->list) {
> +					entry = list_entry(pos, struct eficonfig_entry, list);
> +					if (entry->num == efi_menu->active)
> +						break;
> +				}
> +				return entry->key;
> +			}
>  			/* "Quit" */
> -			if (efi_menu->active == efi_menu->count - 1)
> -				return EFI_ABORTED;
> -
> +			if (efi_menu->active == efi_menu->count - 1) {
> +				entry = list_last_entry(&efi_menu->list,
> +							struct eficonfig_entry,
> +							list);
> +				return entry->key;
> +			}
> +			/* Pressed key is not valid, wait next key press */
>  			break;
>  		case BKEY_SPACE:
>  			if (efi_menu->active < efi_menu->count - 2) {
> @@ -1965,20 +1970,84 @@ static efi_status_t eficonfig_choice_change_boot_order(struct efimenu *efi_menu)
>  						struct eficonfig_boot_order_data *data = entry->data;
>
>  						data->active = !data->active;
> -						return EFI_NOT_READY;
> +						return NULL;
>  					}
>  				}
>  			}
> +			/* Pressed key is not valid, wait next key press */
>  			break;
>  		case BKEY_QUIT:
> -			return EFI_ABORTED;
> +			entry = list_last_entry(&efi_menu->list,
> +						struct eficonfig_entry, list);
> +			return entry->key;
>  		default:
> -			/* Pressed key is not valid, no need to regenerate the menu */
> +			/* Pressed key is not valid, wait next key press */
>  			break;
>  		}
>  	}
>  }
>
> +/**
> + * eficonfig_process_save_boot_order() - callback function for "Save" entry
> + *
> + * @data:	pointer to the data
> + * Return:	status code
> + */
> +static efi_status_t eficonfig_process_save_boot_order(void *data)
> +{
> +	u32 count = 0;
> +	efi_status_t ret;
> +	efi_uintn_t size;
> +	struct list_head *pos, *n;
> +	u16 *new_bootorder;
> +	struct efimenu *efi_menu;
> +	struct eficonfig_entry *entry;
> +	struct eficonfig_save_boot_order_data *save_data = data;
> +
> +	efi_menu = save_data->efi_menu;
> +
> +	/*
> +	 * The change boot order menu always has "Save" and "Quit" entries.
> +	 * !(efi_menu->count - 2) means there is no user defined boot option.
> +	 */
> +	if (!(efi_menu->count - 2))
> +		return EFI_SUCCESS;
> +
> +	new_bootorder = calloc(1, (efi_menu->count - 2) * sizeof(u16));
> +	if (!new_bootorder) {
> +		ret = EFI_OUT_OF_RESOURCES;
> +		goto out;
> +	}
> +
> +	/* create new BootOrder */
> +	count = 0;
> +	list_for_each_safe(pos, n, &efi_menu->list) {
> +		struct eficonfig_boot_order_data *data;
> +
> +		entry = list_entry(pos, struct eficonfig_entry, list);
> +		/* exit the loop when iteration reaches "Save" */
> +		if (!strncmp(entry->title, "Save", strlen("Save")))
> +			break;
> +
> +		data = entry->data;
> +		if (data->active)
> +			new_bootorder[count++] = data->boot_index;
> +	}
> +
> +	size = count * sizeof(u16);
> +	ret = efi_set_variable_int(u"BootOrder", &efi_global_variable_guid,
> +				   EFI_VARIABLE_NON_VOLATILE |
> +				   EFI_VARIABLE_BOOTSERVICE_ACCESS |
> +				   EFI_VARIABLE_RUNTIME_ACCESS,
> +				   size, new_bootorder, false);
> +
> +	save_data->selected = true;
> +out:
> +	free(new_bootorder);
> +
> +	return ret;
> +}
> +
>  /**
>   * eficonfig_add_change_boot_order_entry() - add boot order entry
>   *
> @@ -2054,6 +2123,7 @@ static efi_status_t eficonfig_create_change_boot_order_entry(struct efimenu *efi
>  	efi_status_t ret;
>  	u16 *var_name16 = NULL;
>  	efi_uintn_t size, buf_size;
> +	struct eficonfig_save_boot_order_data *save_data;
>
>  	/* list the load option in the order of BootOrder variable */
>  	for (i = 0; i < num; i++) {
> @@ -2104,7 +2174,17 @@ static efi_status_t eficonfig_create_change_boot_order_entry(struct efimenu *efi
>  		goto out;
>  	}
>
> -	ret = eficonfig_append_menu_entry(efi_menu, title, NULL, NULL);
> +	save_data = malloc(sizeof(struct eficonfig_save_boot_order_data));
> +	if (!save_data) {
> +		ret = EFI_OUT_OF_RESOURCES;
> +		goto out;
> +	}
> +	save_data->efi_menu = efi_menu;
> +	save_data->selected = false;
> +
> +	ret = eficonfig_append_menu_entry(efi_menu, title,
> +					  eficonfig_process_save_boot_order,
> +					  save_data);
>  	if (ret != EFI_SUCCESS)
>  		goto out;
>
> @@ -2127,7 +2207,6 @@ out:
>   */
>  static efi_status_t eficonfig_process_change_boot_order(void *data)
>  {
> -	u32 count;
>  	u16 *bootorder;
>  	efi_status_t ret;
>  	efi_uintn_t num, size;
> @@ -2148,47 +2227,24 @@ static efi_status_t eficonfig_process_change_boot_order(void *data)
>  		goto out;
>
>  	while (1) {
> -		eficonfig_display_change_boot_order(efi_menu);
> -
> -		ret = eficonfig_choice_change_boot_order(efi_menu);
> -		if (ret == EFI_SUCCESS) {
> -			u16 *new_bootorder;
> -
> -			new_bootorder = calloc(1, (efi_menu->count - 2) * sizeof(u16));
> -			if (!new_bootorder) {
> -				ret = EFI_OUT_OF_RESOURCES;
> -				goto out;
> -			}
> -
> -			/* create new BootOrder  */
> -			count = 0;
> -			list_for_each_safe(pos, n, &efi_menu->list) {
> -				struct eficonfig_boot_order_data *data;
> -
> +		ret = eficonfig_process_common(efi_menu,
> +					       "  ** Change Boot Order **",
> +					       eficonfig_change_boot_order_desc,
> +					       eficonfig_display_statusline,
> +					       eficonfig_print_change_boot_order_entry,
> +					       eficonfig_choice_change_boot_order);
> +		/* exit from the menu if user selects the "Save" entry. */
> +		if (ret == EFI_SUCCESS && efi_menu->active == (efi_menu->count - 2)) {
> +			list_for_each_prev_safe(pos, n, &efi_menu->list) {
>  				entry = list_entry(pos, struct eficonfig_entry, list);
> -				/* exit the loop when iteration reaches "Save" */
> -				if (!strncmp(entry->title, "Save", strlen("Save")))
> +				if (entry->num == efi_menu->active)
>  					break;
> -
> -				data = entry->data;
> -				if (data->active)
> -					new_bootorder[count++] = data->boot_index;
>  			}
> -
> -			size = count * sizeof(u16);
> -			ret = efi_set_variable_int(u"BootOrder", &efi_global_variable_guid,
> -						   EFI_VARIABLE_NON_VOLATILE |
> -						   EFI_VARIABLE_BOOTSERVICE_ACCESS |
> -						   EFI_VARIABLE_RUNTIME_ACCESS,
> -						   size, new_bootorder, false);
> -
> -			free(new_bootorder);
> -			goto out;
> -		} else if (ret == EFI_NOT_READY) {
> -			continue;
> -		} else {
> -			goto out;
> +			if (((struct eficonfig_save_boot_order_data *)entry->data)->selected)
> +				break;
>  		}
> +		if (ret != EFI_SUCCESS)
> +			break;
>  	}
>  out:
>  	free(bootorder);
> --
> 2.17.1
>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
diff mbox series

Patch

diff --git a/cmd/eficonfig.c b/cmd/eficonfig.c
index 24d6bdb6bf..01bd1b05bc 100644
--- a/cmd/eficonfig.c
+++ b/cmd/eficonfig.c
@@ -25,6 +25,11 @@  static struct efi_simple_text_input_protocol *cin;
 const char *eficonfig_menu_desc =
 	"  Press UP/DOWN to move, ENTER to select, ESC/CTRL+C to quit";
 
+static const char *eficonfig_change_boot_order_desc =
+	"  Press UP/DOWN to move, +/- to change orde\n"
+	"  Press SPACE to activate or deactivate the entry\n"
+	"  Select [Save] to complete, ESC/CTRL+C to quit";
+
 #define EFICONFIG_DESCRIPTION_MAX 32
 #define EFICONFIG_OPTIONAL_DATA_MAX 64
 
@@ -106,6 +111,17 @@  struct eficonfig_boot_order_data {
 	bool active;
 };
 
+/**
+ * struct eficonfig_save_boot_order_data - structure to be used to change boot order
+ *
+ * @efi_menu:		pointer to efimenu structure
+ * @selected:		flag to indicate user selects "Save" entry
+ */
+struct eficonfig_save_boot_order_data {
+	struct efimenu *efi_menu;
+	bool selected;
+};
+
 /**
  * eficonfig_print_msg() - print message
  *
@@ -174,10 +190,9 @@  void eficonfig_display_statusline(struct menu *m)
 	      "\n%s\n"
 	       ANSI_CURSOR_POSITION ANSI_CLEAR_LINE ANSI_CURSOR_POSITION
 	       "%s"
-	       ANSI_CLEAR_LINE_TO_END ANSI_CURSOR_POSITION ANSI_CLEAR_LINE,
+	       ANSI_CLEAR_LINE_TO_END,
 	       1, 1, entry->efi_menu->menu_header, entry->efi_menu->count + 5, 1,
-	       entry->efi_menu->count + 6, 1, entry->efi_menu->menu_desc,
-	       entry->efi_menu->count + 7, 1);
+	       entry->efi_menu->count + 6, 1, entry->efi_menu->menu_desc);
 }
 
 /**
@@ -1844,63 +1859,44 @@  out:
 }
 
 /**
- * eficonfig_display_change_boot_order() - display the BootOrder list
+ * eficonfig_print_change_boot_order_entry() - print the boot option entry
  *
- * @efi_menu:	pointer to the efimenu structure
- * Return:	status code
+ * @data:	pointer to the data associated with each menu entry
  */
-static void eficonfig_display_change_boot_order(struct efimenu *efi_menu)
+static void eficonfig_print_change_boot_order_entry(void *data)
 {
-	bool reverse;
-	struct list_head *pos, *n;
-	struct eficonfig_entry *entry;
-
-	printf(ANSI_CLEAR_CONSOLE ANSI_CURSOR_POSITION
-	       "\n  ** Change Boot Order **\n"
-	       ANSI_CURSOR_POSITION
-	       "  Press UP/DOWN to move, +/- to change order"
-	       ANSI_CURSOR_POSITION
-	       "  Press SPACE to activate or deactivate the entry"
-	       ANSI_CURSOR_POSITION
-	       "  Select [Save] to complete, ESC/CTRL+C to quit"
-	       ANSI_CURSOR_POSITION ANSI_CLEAR_LINE,
-	       1, 1, efi_menu->count + 5, 1, efi_menu->count + 6, 1,
-	       efi_menu->count + 7, 1,  efi_menu->count + 8, 1);
-
-	/* draw boot option list */
-	list_for_each_safe(pos, n, &efi_menu->list) {
-		entry = list_entry(pos, struct eficonfig_entry, list);
-		reverse = (entry->num == efi_menu->active);
+	struct eficonfig_entry *entry = data;
+	bool reverse = (entry->efi_menu->active == entry->num);
 
-		printf(ANSI_CURSOR_POSITION, entry->num + 4, 7);
+	printf(ANSI_CURSOR_POSITION, entry->num + 4, 7);
 
-		if (reverse)
-			puts(ANSI_COLOR_REVERSE);
+	if (reverse)
+		puts(ANSI_COLOR_REVERSE);
 
-		if (entry->num < efi_menu->count - 2) {
-			if (((struct eficonfig_boot_order_data *)entry->data)->active)
-				printf("[*]  ");
-			else
-				printf("[ ]  ");
-		}
+	if (entry->num < entry->efi_menu->count - 2) {
+		if (((struct eficonfig_boot_order_data *)entry->data)->active)
+			printf("[*]  ");
+		else
+			printf("[ ]  ");
+	}
 
-		printf("%s", entry->title);
+	printf("%s", entry->title);
 
-		if (reverse)
-			puts(ANSI_COLOR_RESET);
-	}
+	if (reverse)
+		puts(ANSI_COLOR_RESET);
 }
 
 /**
- * eficonfig_choice_change_boot_order() - handle the BootOrder update
+ * eficonfig_choice_change_boot_order() - user key input handler
  *
- * @efi_menu:	pointer to the efimenu structure
- * Return:	status code
+ * @data:	pointer to the menu entry
+ * Return:	key string to identify the selected entry
  */
-static efi_status_t eficonfig_choice_change_boot_order(struct efimenu *efi_menu)
+char *eficonfig_choice_change_boot_order(void *data)
 {
 	struct cli_ch_state s_cch, *cch = &s_cch;
 	struct list_head *pos, *n;
+	struct efimenu *efi_menu = data;
 	enum bootmenu_key key = BKEY_NONE;
 	struct eficonfig_entry *entry, *tmp;
 
@@ -1926,7 +1922,7 @@  static efi_status_t eficonfig_choice_change_boot_order(struct efimenu *efi_menu)
 		case BKEY_UP:
 			if (efi_menu->active > 0)
 				--efi_menu->active;
-			return EFI_NOT_READY;
+			return NULL;
 		case BKEY_MINUS:
 			if (efi_menu->active < efi_menu->count - 3) {
 				list_for_each_safe(pos, n, &efi_menu->list) {
@@ -1942,20 +1938,29 @@  static efi_status_t eficonfig_choice_change_boot_order(struct efimenu *efi_menu)
 
 				++efi_menu->active;
 			}
-			return EFI_NOT_READY;
+			return NULL;
 		case BKEY_DOWN:
 			if (efi_menu->active < efi_menu->count - 1)
 				++efi_menu->active;
-			return EFI_NOT_READY;
+			return NULL;
 		case BKEY_SELECT:
 			/* "Save" */
-			if (efi_menu->active == efi_menu->count - 2)
-				return EFI_SUCCESS;
-
+			if (efi_menu->active == efi_menu->count - 2) {
+				list_for_each_prev_safe(pos, n, &efi_menu->list) {
+					entry = list_entry(pos, struct eficonfig_entry, list);
+					if (entry->num == efi_menu->active)
+						break;
+				}
+				return entry->key;
+			}
 			/* "Quit" */
-			if (efi_menu->active == efi_menu->count - 1)
-				return EFI_ABORTED;
-
+			if (efi_menu->active == efi_menu->count - 1) {
+				entry = list_last_entry(&efi_menu->list,
+							struct eficonfig_entry,
+							list);
+				return entry->key;
+			}
+			/* Pressed key is not valid, wait next key press */
 			break;
 		case BKEY_SPACE:
 			if (efi_menu->active < efi_menu->count - 2) {
@@ -1965,20 +1970,84 @@  static efi_status_t eficonfig_choice_change_boot_order(struct efimenu *efi_menu)
 						struct eficonfig_boot_order_data *data = entry->data;
 
 						data->active = !data->active;
-						return EFI_NOT_READY;
+						return NULL;
 					}
 				}
 			}
+			/* Pressed key is not valid, wait next key press */
 			break;
 		case BKEY_QUIT:
-			return EFI_ABORTED;
+			entry = list_last_entry(&efi_menu->list,
+						struct eficonfig_entry, list);
+			return entry->key;
 		default:
-			/* Pressed key is not valid, no need to regenerate the menu */
+			/* Pressed key is not valid, wait next key press */
 			break;
 		}
 	}
 }
 
+/**
+ * eficonfig_process_save_boot_order() - callback function for "Save" entry
+ *
+ * @data:	pointer to the data
+ * Return:	status code
+ */
+static efi_status_t eficonfig_process_save_boot_order(void *data)
+{
+	u32 count = 0;
+	efi_status_t ret;
+	efi_uintn_t size;
+	struct list_head *pos, *n;
+	u16 *new_bootorder;
+	struct efimenu *efi_menu;
+	struct eficonfig_entry *entry;
+	struct eficonfig_save_boot_order_data *save_data = data;
+
+	efi_menu = save_data->efi_menu;
+
+	/*
+	 * The change boot order menu always has "Save" and "Quit" entries.
+	 * !(efi_menu->count - 2) means there is no user defined boot option.
+	 */
+	if (!(efi_menu->count - 2))
+		return EFI_SUCCESS;
+
+	new_bootorder = calloc(1, (efi_menu->count - 2) * sizeof(u16));
+	if (!new_bootorder) {
+		ret = EFI_OUT_OF_RESOURCES;
+		goto out;
+	}
+
+	/* create new BootOrder */
+	count = 0;
+	list_for_each_safe(pos, n, &efi_menu->list) {
+		struct eficonfig_boot_order_data *data;
+
+		entry = list_entry(pos, struct eficonfig_entry, list);
+		/* exit the loop when iteration reaches "Save" */
+		if (!strncmp(entry->title, "Save", strlen("Save")))
+			break;
+
+		data = entry->data;
+		if (data->active)
+			new_bootorder[count++] = data->boot_index;
+	}
+
+	size = count * sizeof(u16);
+	ret = efi_set_variable_int(u"BootOrder", &efi_global_variable_guid,
+				   EFI_VARIABLE_NON_VOLATILE |
+				   EFI_VARIABLE_BOOTSERVICE_ACCESS |
+				   EFI_VARIABLE_RUNTIME_ACCESS,
+				   size, new_bootorder, false);
+
+	save_data->selected = true;
+out:
+	free(new_bootorder);
+
+	return ret;
+}
+
 /**
  * eficonfig_add_change_boot_order_entry() - add boot order entry
  *
@@ -2054,6 +2123,7 @@  static efi_status_t eficonfig_create_change_boot_order_entry(struct efimenu *efi
 	efi_status_t ret;
 	u16 *var_name16 = NULL;
 	efi_uintn_t size, buf_size;
+	struct eficonfig_save_boot_order_data *save_data;
 
 	/* list the load option in the order of BootOrder variable */
 	for (i = 0; i < num; i++) {
@@ -2104,7 +2174,17 @@  static efi_status_t eficonfig_create_change_boot_order_entry(struct efimenu *efi
 		goto out;
 	}
 
-	ret = eficonfig_append_menu_entry(efi_menu, title, NULL, NULL);
+	save_data = malloc(sizeof(struct eficonfig_save_boot_order_data));
+	if (!save_data) {
+		ret = EFI_OUT_OF_RESOURCES;
+		goto out;
+	}
+	save_data->efi_menu = efi_menu;
+	save_data->selected = false;
+
+	ret = eficonfig_append_menu_entry(efi_menu, title,
+					  eficonfig_process_save_boot_order,
+					  save_data);
 	if (ret != EFI_SUCCESS)
 		goto out;
 
@@ -2127,7 +2207,6 @@  out:
  */
 static efi_status_t eficonfig_process_change_boot_order(void *data)
 {
-	u32 count;
 	u16 *bootorder;
 	efi_status_t ret;
 	efi_uintn_t num, size;
@@ -2148,47 +2227,24 @@  static efi_status_t eficonfig_process_change_boot_order(void *data)
 		goto out;
 
 	while (1) {
-		eficonfig_display_change_boot_order(efi_menu);
-
-		ret = eficonfig_choice_change_boot_order(efi_menu);
-		if (ret == EFI_SUCCESS) {
-			u16 *new_bootorder;
-
-			new_bootorder = calloc(1, (efi_menu->count - 2) * sizeof(u16));
-			if (!new_bootorder) {
-				ret = EFI_OUT_OF_RESOURCES;
-				goto out;
-			}
-
-			/* create new BootOrder  */
-			count = 0;
-			list_for_each_safe(pos, n, &efi_menu->list) {
-				struct eficonfig_boot_order_data *data;
-
+		ret = eficonfig_process_common(efi_menu,
+					       "  ** Change Boot Order **",
+					       eficonfig_change_boot_order_desc,
+					       eficonfig_display_statusline,
+					       eficonfig_print_change_boot_order_entry,
+					       eficonfig_choice_change_boot_order);
+		/* exit from the menu if user selects the "Save" entry. */
+		if (ret == EFI_SUCCESS && efi_menu->active == (efi_menu->count - 2)) {
+			list_for_each_prev_safe(pos, n, &efi_menu->list) {
 				entry = list_entry(pos, struct eficonfig_entry, list);
-				/* exit the loop when iteration reaches "Save" */
-				if (!strncmp(entry->title, "Save", strlen("Save")))
+				if (entry->num == efi_menu->active)
 					break;
-
-				data = entry->data;
-				if (data->active)
-					new_bootorder[count++] = data->boot_index;
 			}
-
-			size = count * sizeof(u16);
-			ret = efi_set_variable_int(u"BootOrder", &efi_global_variable_guid,
-						   EFI_VARIABLE_NON_VOLATILE |
-						   EFI_VARIABLE_BOOTSERVICE_ACCESS |
-						   EFI_VARIABLE_RUNTIME_ACCESS,
-						   size, new_bootorder, false);
-
-			free(new_bootorder);
-			goto out;
-		} else if (ret == EFI_NOT_READY) {
-			continue;
-		} else {
-			goto out;
+			if (((struct eficonfig_save_boot_order_data *)entry->data)->selected)
+				break;
 		}
+		if (ret != EFI_SUCCESS)
+			break;
 	}
 out:
 	free(bootorder);