293 lines
6.4 KiB
C
293 lines
6.4 KiB
C
/*
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*
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* Copyright (C) 2012 secunet Security Networks AG
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <coreboot_tables.h>
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#include <libpayload.h>
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#include <curses.h>
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#include <form.h>
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#include <menu.h>
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#ifndef HOSTED
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#define HOSTED 0
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#endif
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static int min(int x, int y)
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{
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if (x < y)
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return x;
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return y;
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}
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static int max(int x, int y)
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{
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if (x > y)
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return x;
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return y;
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}
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static void render_form(FORM *form)
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{
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int y, x, line;
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WINDOW *w = form_win(form);
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WINDOW *inner_w = form_sub(form);
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int numlines = getmaxy(w) - 2;
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getyx(inner_w, y, x);
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line = y - (y % numlines);
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WINDOW *der = derwin(w, getmaxy(w) - 2, getmaxx(w) - 2, 1, 1);
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wclear(der);
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wrefresh(der);
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delwin(der);
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copywin(inner_w, w, line, 0, 1, 1,
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min(numlines, getmaxy(inner_w) - line), 68, 0);
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wmove(w, y + 1 - line, x + 1);
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wrefresh(w);
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}
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/* determine number of options, and maximum option name length */
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static int count_cmos_options(struct cb_cmos_entries *option, int *numopts,
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int *maxlength)
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{
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int n_opts = 0;
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int max_l = 0;
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while (option) {
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if ((option->config != 'r') &&
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(strcmp("check_sum", (char *)option->name) != 0)) {
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max_l = max(max_l, strlen((char *)option->name));
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n_opts++;
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}
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option = next_cmos_entry(option);
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}
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if (n_opts == 0) {
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printf("NO CMOS OPTIONS FOUND. EXITING!!!");
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return -1;
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}
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*numopts = n_opts;
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*maxlength = max_l;
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return 0;
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}
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/* walk over options, fetch details */
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static void cmos_walk_options(struct cb_cmos_option_table *opttbl,
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FIELD **fields, int numopts, int maxlength)
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{
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struct cb_cmos_entries *option = first_cmos_entry(opttbl);
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int i;
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for (i = 0; i < numopts; i++) {
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while ((option->config == 'r') ||
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(strcmp("check_sum", (char *)option->name) == 0)) {
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option = next_cmos_entry(option);
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}
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fields[2 * i] =
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new_field(1, strlen((char *)option->name), i * 2, 1, 0, 0);
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set_field_buffer(fields[2 * i], 0, (char *)option->name);
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field_opts_off(fields[2 * i], O_ACTIVE);
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fields[2 * i + 1] =
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new_field(1, 40, i * 2, maxlength + 2, 0, 0);
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char *buf = NULL;
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int fail =
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get_option_as_string(use_nvram, opttbl, &buf, (char *)option->name);
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switch (option->config) {
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case 'h': {
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set_field_type(fields[2 * i + 1], TYPE_INTEGER, 0, 0,
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(1 << option->length) - 1);
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field_opts_on(fields[2 * i + 1], O_BLANK);
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break;
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}
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case 's': {
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set_max_field(fields[2 * i + 1], option->length / 8);
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field_opts_off(fields[2 * i + 1], O_STATIC);
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break;
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}
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case 'e': {
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int numvals = 0;
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struct cb_cmos_enums *cmos_enum =
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first_cmos_enum_of_id(opttbl, option->config_id);
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/* if invalid data in CMOS, set buf to first enum */
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if (fail && cmos_enum) {
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buf = (char *)cmos_enum->text;
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}
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while (cmos_enum) {
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numvals++;
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cmos_enum = next_cmos_enum_of_id(
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cmos_enum, option->config_id);
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}
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char **values = malloc(sizeof(char *) * (numvals + 1));
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int cnt = 0;
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cmos_enum =
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first_cmos_enum_of_id(opttbl, option->config_id);
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while (cmos_enum) {
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values[cnt] = (char *)cmos_enum->text;
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cnt++;
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cmos_enum = next_cmos_enum_of_id(
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cmos_enum, option->config_id);
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}
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values[cnt] = NULL;
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field_opts_off(fields[2 * i + 1], O_EDIT);
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set_field_type(fields[2 * i + 1], TYPE_ENUM, values, 1,
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1);
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free(values); // copied by set_field_type
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break;
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}
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default:
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break;
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}
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if (buf)
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set_field_buffer(fields[2 * i + 1], 0, buf);
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#if HOSTED
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// underline is non-trivial on VGA text
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set_field_back(fields[2 * i + 1], A_UNDERLINE);
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#endif
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field_opts_off(fields[2 * i + 1],
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O_BLANK | O_AUTOSKIP | O_NULLOK);
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option = next_cmos_entry(option);
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}
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fields[2 * numopts] = NULL;
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}
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int main(void)
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{
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int ch, done;
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int i;
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if (CONFIG(LP_USB))
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usb_initialize();
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/* coreboot data structures */
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lib_get_sysinfo();
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struct cb_cmos_option_table *opttbl = get_system_option_table();
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if (opttbl == NULL) {
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printf("Could not find coreboot option table.\n");
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halt();
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}
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/* prep CMOS layout into libcurses data structures */
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struct cb_cmos_entries *option = first_cmos_entry(opttbl);
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int numopts = 0;
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int maxlength = 0;
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count_cmos_options(option, &numopts, &maxlength);
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FIELD **fields = malloc(sizeof(FIELD *) * (2 * numopts + 1));
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cmos_walk_options(opttbl, fields, numopts, maxlength);
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/* display initialization */
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initscr();
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keypad(stdscr, TRUE);
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cbreak();
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noecho();
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if (start_color()) {
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assume_default_colors(COLOR_BLUE, COLOR_CYAN);
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}
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leaveok(stdscr, TRUE);
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curs_set(1);
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erase();
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box(stdscr, 0, 0);
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mvaddstr(0, 2, "coreboot configuration utility");
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refresh();
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FORM *form = new_form(fields);
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int numlines = min(numopts * 2, 16);
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WINDOW *w = newwin(numlines + 2, 70, 2, 1);
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WINDOW *inner_w = newpad(numopts * 2, 68);
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box(w, 0, 0);
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mvwaddstr(w, 0, 2, "Press F1 when done");
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set_form_win(form, w);
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set_form_sub(form, inner_w);
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post_form(form);
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done = 0;
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while (!done) {
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render_form(form);
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ch = getch();
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if (ch == ERR)
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continue;
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switch (ch) {
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case KEY_DOWN:
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form_driver(form, REQ_NEXT_FIELD);
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break;
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case KEY_UP:
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form_driver(form, REQ_PREV_FIELD);
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break;
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case KEY_LEFT:
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if (field_type(current_field(form)) == TYPE_ENUM) {
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form_driver(form, REQ_PREV_CHOICE);
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} else {
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form_driver(form, REQ_LEFT_CHAR);
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}
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break;
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case KEY_RIGHT:
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if (field_type(current_field(form)) == TYPE_ENUM) {
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form_driver(form, REQ_NEXT_CHOICE);
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} else {
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form_driver(form, REQ_RIGHT_CHAR);
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}
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break;
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case KEY_BACKSPACE:
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case '\b':
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form_driver(form, REQ_DEL_PREV);
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break;
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case KEY_DC:
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form_driver(form, REQ_DEL_CHAR);
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break;
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case KEY_F(1):
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done = 1;
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break;
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default:
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form_driver(form, ch);
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break;
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}
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}
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endwin();
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for (i = 0; i < numopts; i++) {
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char *name = field_buffer(fields[2 * i], 0);
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char *value = field_buffer(fields[2 * i + 1], 0);
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char *ptr;
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for (ptr = value + strlen(value) - 1;
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ptr >= value && *ptr == ' '; ptr--)
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;
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ptr[1] = '\0';
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set_option_from_string(use_nvram, opttbl, value, name);
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}
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unpost_form(form);
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free_form(form);
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/* reboot */
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outb(0x6, 0xcf9);
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halt();
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}
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