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User moves the entry with UP/DOWN key, changes, then presses ENTER key to delete the selected boot option. Signed-off-by: Masahisa Kojima --- No update since v11 Changes in v11: - update function interface to show boot selection menu - support to delete the load option is not included in BootOrder No update since v9 Changes in v9: - add function comment Changes in v8: - function and structure prefix is changed to "eficonfig" Changes in v7: - to stay the boot order list after user delete the entry no update in v6: changes in v5: cmd/eficonfig.c | 71 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 71 insertions(+) diff --git a/cmd/eficonfig.c b/cmd/eficonfig.c index 22389b537f..537f3f2bbc 100644 --- a/cmd/eficonfig.c +++ b/cmd/eficonfig.c @@ -1716,6 +1716,76 @@ out: return ret; } +/** + * delete_boot_option() - delete selected boot option + * + * @boot_index: boot option index to delete + * Return: status code + */ +static efi_status_t delete_boot_option(u16 boot_index) +{ + u16 *bootorder; + u16 varname[9]; + efi_status_t ret; + unsigned int index; + efi_uintn_t num, size; + + efi_create_indexed_name(varname, sizeof(varname), + "Boot", boot_index); + ret = efi_set_variable_int(varname, &efi_global_variable_guid, + 0, 0, NULL, false); + if (ret != EFI_SUCCESS) { + log_err("delete boot option(%ls) failed\n", varname); + return ret; + } + + /* update BootOrder if necessary */ + bootorder = efi_get_var(u"BootOrder", &efi_global_variable_guid, &size); + if (!bootorder) + return EFI_SUCCESS; + + num = size / sizeof(u16); + if (!search_bootorder(bootorder, num, boot_index, &index)) + return EFI_SUCCESS; + + memmove(&bootorder[index], &bootorder[index + 1], + (num - index - 1) * sizeof(u16)); + size -= 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, bootorder, false); + + return ret; +} + +/** + * eficonfig_process_delete_boot_option() - handler to delete boot option + * + * @data: pointer to the data for each entry + * Return: status code + */ +static efi_status_t eficonfig_process_delete_boot_option(void *data) +{ + efi_status_t ret; + unsigned int selected; + + while (1) { + ret = eficonfig_show_boot_selection(&selected); + if (ret == EFI_SUCCESS) + ret = delete_boot_option(selected); + + if (ret != EFI_SUCCESS) + break; + } + + /* to stay the parent menu */ + ret = (ret == EFI_ABORTED) ? EFI_NOT_READY : ret; + + return ret; +} + /** * eficonfig_init() - do required initialization for eficonfig command * @@ -1746,6 +1816,7 @@ static efi_status_t eficonfig_init(void) static const struct eficonfig_item maintenance_menu_items[] = { {"Add Boot Option", eficonfig_process_add_boot_option}, {"Edit Boot Option", eficonfig_process_edit_boot_option}, + {"Delete Boot Option", eficonfig_process_delete_boot_option}, {"Quit", eficonfig_process_quit}, };