From 87d791423ac69affec43dfb834965adcb0aa02e6 Mon Sep 17 00:00:00 2001 From: Masahisa Kojima Date: Mon, 12 Sep 2022 17:33:50 +0900 Subject: eficonfig: menu-driven addition of UEFI boot option This commit add the "eficonfig" command. The "eficonfig" command implements the menu-driven UEFI boot option maintenance feature. This commit implements the addition of new boot option. User can select the block device volume having efi_simple_file_system_protocol and select the file corresponding to the Boot#### variable. User can also enter the description and optional_data of the BOOT#### variable in utf8. This commit adds "include/efi_config.h", it contains the common definition to be used from other menus such as UEFI Secure Boot key management. Signed-off-by: Masahisa Kojima --- lib/efi_loader/efi_console.c | 70 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 70 insertions(+) (limited to 'lib/efi_loader/efi_console.c') diff --git a/lib/efi_loader/efi_console.c b/lib/efi_loader/efi_console.c index 3164fd484e..5be509f0d6 100644 --- a/lib/efi_loader/efi_console.c +++ b/lib/efi_loader/efi_console.c @@ -7,6 +7,7 @@ #define LOG_CATEGORY LOGC_EFI +#include #include #include #include @@ -1318,3 +1319,72 @@ out_of_memory: printf("ERROR: Out of memory\n"); return r; } + +/** + * efi_console_get_u16_string() - get user input string + * + * @cin: protocol interface to EFI_SIMPLE_TEXT_INPUT_PROTOCOL + * @buf: buffer to store user input string in UTF16 + * @count: number of u16 string including NULL terminator that buf has + * @filter_func: callback to filter user input + * @row: row number to locate user input form + * @col: column number to locate user input form + * Return: status code + */ +efi_status_t efi_console_get_u16_string(struct efi_simple_text_input_protocol *cin, + u16 *buf, efi_uintn_t count, + efi_console_filter_func filter_func, + int row, int col) +{ + efi_status_t ret; + efi_uintn_t len = 0; + struct efi_input_key key; + + printf(ANSI_CURSOR_POSITION + ANSI_CLEAR_LINE_TO_END + ANSI_CURSOR_SHOW, row, col); + + ret = EFI_CALL(cin->reset(cin, false)); + if (ret != EFI_SUCCESS) + return ret; + + for (;;) { + do { + ret = EFI_CALL(cin->read_key_stroke(cin, &key)); + mdelay(10); + } while (ret == EFI_NOT_READY); + + if (key.unicode_char == u'\b') { + if (len > 0) + buf[--len] = u'\0'; + + printf(ANSI_CURSOR_POSITION + "%ls" + ANSI_CLEAR_LINE_TO_END, row, col, buf); + continue; + } else if (key.unicode_char == u'\r') { + buf[len] = u'\0'; + return EFI_SUCCESS; + } else if (key.unicode_char == 0x3 || key.scan_code == 23) { + return EFI_ABORTED; + } else if (key.unicode_char < 0x20) { + /* ignore control codes other than Ctrl+C, '\r' and '\b' */ + continue; + } else if (key.scan_code != 0) { + /* only accept single ESC press for cancel */ + continue; + } + + if (filter_func) { + if (filter_func(&key) != EFI_SUCCESS) + continue; + } + + if (len >= (count - 1)) + continue; + + buf[len] = key.unicode_char; + len++; + printf(ANSI_CURSOR_POSITION "%ls", row, col, buf); + } +} -- cgit v1.2.3