Add nvramcui
nvramcui is a small libpayload based utility that provides an interactive CMOS editor for pre-boot environments. Change-Id: I514b8a7682f89d242d1b31b6907cc6bff34da4bf Signed-off-by: Patrick Georgi <patrick.georgi@secunet.com> Reviewed-on: http://review.coreboot.org/1871 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
This commit is contained in:
Patrick Georgi
Stefan Reinauer
parent
1fc2bda92b
commit
4b62ebe961
|
|
@ -0,0 +1,247 @@
|
||||||
|
/*
|
||||||
|
* This file is part of the coreboot project.
|
||||||
|
*
|
||||||
|
* Copyright (C) 2012 secunet Security Networks AG
|
||||||
|
*
|
||||||
|
* This program is free software; you can redistribute it and/or modify
|
||||||
|
* it under the terms of the GNU General Public License as published by
|
||||||
|
* the Free Software Foundation; version 2 of the License.
|
||||||
|
*
|
||||||
|
* This program is distributed in the hope that it will be useful,
|
||||||
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||||
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||||
|
* GNU General Public License for more details.
|
||||||
|
*
|
||||||
|
* You should have received a copy of the GNU General Public License
|
||||||
|
* along with this program; if not, write to the Free Software
|
||||||
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include <stdlib.h>
|
||||||
|
#include <string.h>
|
||||||
|
|
||||||
|
#include <libpayload.h>
|
||||||
|
#include <coreboot_tables.h>
|
||||||
|
|
||||||
|
#include <curses.h>
|
||||||
|
#include <menu.h>
|
||||||
|
#include <form.h>
|
||||||
|
|
||||||
|
#ifndef HOSTED
|
||||||
|
#define HOSTED 0
|
||||||
|
#endif
|
||||||
|
|
||||||
|
static int min(int x, int y)
|
||||||
|
{
|
||||||
|
if (x < y)
|
||||||
|
return x;
|
||||||
|
return y;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int max(int x, int y)
|
||||||
|
{
|
||||||
|
if (x > y)
|
||||||
|
return x;
|
||||||
|
return y;
|
||||||
|
}
|
||||||
|
|
||||||
|
void render_form(FORM *form)
|
||||||
|
{
|
||||||
|
int y, x, line;
|
||||||
|
WINDOW *w = form_win(form);
|
||||||
|
WINDOW *inner_w = form_sub(form);
|
||||||
|
int numlines = getmaxy(w)-2;
|
||||||
|
getyx(inner_w, y, x);
|
||||||
|
line = y - (y % numlines);
|
||||||
|
WINDOW *der = derwin(w, getmaxy(w)-2, getmaxx(w)-2, 1, 1);
|
||||||
|
wclear(der);
|
||||||
|
wrefresh(der);
|
||||||
|
delwin(der);
|
||||||
|
copywin(inner_w, w, line, 0, 1, 1, min(numlines, getmaxy(inner_w)-line), 68, 0);
|
||||||
|
wmove(w, y + 1 - line, x + 1);
|
||||||
|
wrefresh(w);
|
||||||
|
}
|
||||||
|
|
||||||
|
int main()
|
||||||
|
{
|
||||||
|
int ch, done;
|
||||||
|
ITEM *cur;
|
||||||
|
|
||||||
|
/* coreboot data structures */
|
||||||
|
lib_get_sysinfo();
|
||||||
|
|
||||||
|
struct cb_cmos_option_table *opttbl = get_system_option_table();
|
||||||
|
|
||||||
|
if (opttbl == NULL) {
|
||||||
|
printf("Could not find coreboot option table\n");
|
||||||
|
halt();
|
||||||
|
}
|
||||||
|
|
||||||
|
/* display initialization */
|
||||||
|
initscr();
|
||||||
|
keypad(stdscr, TRUE);
|
||||||
|
cbreak();
|
||||||
|
noecho();
|
||||||
|
start_color();
|
||||||
|
leaveok(stdscr, TRUE);
|
||||||
|
curs_set(1);
|
||||||
|
|
||||||
|
erase();
|
||||||
|
box(stdscr, 0, 0);
|
||||||
|
mvaddstr(0, 2, "coreboot configuration utility");
|
||||||
|
|
||||||
|
/* prep CMOS layout into libcurses data structures */
|
||||||
|
|
||||||
|
/* determine number of options, and maximum option name length */
|
||||||
|
int numopts=0;
|
||||||
|
int maxlength=0;
|
||||||
|
struct cb_cmos_entries *option = first_cmos_entry(opttbl);
|
||||||
|
while (option) {
|
||||||
|
if ((option->config != 'r') && (strcmp("check_sum", option->name) != 0)) {
|
||||||
|
maxlength = max(maxlength, strlen(option->name));
|
||||||
|
numopts++;
|
||||||
|
}
|
||||||
|
option = next_cmos_entry(option);
|
||||||
|
}
|
||||||
|
if (numopts == 0) {
|
||||||
|
printf("NO CMOS OPTIONS FOUND. EXITING!!!");
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
|
FIELD **fields = malloc(sizeof(FIELD*)*(2*numopts+1));
|
||||||
|
int i;
|
||||||
|
|
||||||
|
/* walk over options, fetch details */
|
||||||
|
option = first_cmos_entry(opttbl);
|
||||||
|
for (i=0;i<numopts;i++) {
|
||||||
|
while ((option->config == 'r') || (strcmp("check_sum", option->name) == 0)) {
|
||||||
|
option = next_cmos_entry(option);
|
||||||
|
}
|
||||||
|
fields[2*i] = new_field(1, strlen(option->name), i*2, 1, 0, 0);
|
||||||
|
set_field_buffer(fields[2*i], 0, option->name);
|
||||||
|
field_opts_off(fields[2*i], O_ACTIVE);
|
||||||
|
|
||||||
|
fields[2*i+1] = new_field(1, 40, i*2, maxlength+2, 0, 0);
|
||||||
|
char *buf = NULL;
|
||||||
|
int fail = get_option_as_string(use_nvram, opttbl, &buf, option->name);
|
||||||
|
switch (option->config) {
|
||||||
|
case 'h': {
|
||||||
|
set_field_type(fields[2*i+1], TYPE_INTEGER, 0, 0, (1<<option->length)-1);
|
||||||
|
field_opts_on(fields[2*i+1], O_BLANK);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
case 's': {
|
||||||
|
set_max_field(fields[2*i+1], option->length/8);
|
||||||
|
field_opts_off(fields[2*i+1], O_STATIC);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
case 'e': {
|
||||||
|
int numvals = 0;
|
||||||
|
struct cb_cmos_enums *cmos_enum = first_cmos_enum_of_id(opttbl, option->config_id);
|
||||||
|
|
||||||
|
/* if invalid data in CMOS, set buf to first enum */
|
||||||
|
if (fail && cmos_enum) {
|
||||||
|
buf = cmos_enum->text;
|
||||||
|
}
|
||||||
|
|
||||||
|
while (cmos_enum) {
|
||||||
|
numvals++;
|
||||||
|
cmos_enum = next_cmos_enum_of_id(cmos_enum, option->config_id);
|
||||||
|
}
|
||||||
|
|
||||||
|
char **values = malloc(sizeof(char*)*numvals + 1);
|
||||||
|
int cnt = 0;
|
||||||
|
|
||||||
|
cmos_enum = first_cmos_enum_of_id(opttbl, option->config_id);
|
||||||
|
while (cmos_enum) {
|
||||||
|
values[cnt] = cmos_enum->text;
|
||||||
|
cnt++;
|
||||||
|
cmos_enum = next_cmos_enum_of_id(cmos_enum, option->config_id);
|
||||||
|
}
|
||||||
|
values[cnt] = NULL;
|
||||||
|
field_opts_off(fields[2*i+1], O_EDIT);
|
||||||
|
set_field_type(fields[2*i+1], TYPE_ENUM, values, 1, 1);
|
||||||
|
free(values); // copied by set_field_type
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
default:
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
if (buf) set_field_buffer(fields[2*i+1], 0, buf);
|
||||||
|
#if HOSTED
|
||||||
|
// underline is non-trivial on VGA text
|
||||||
|
set_field_back(fields[2*i+1], A_UNDERLINE);
|
||||||
|
#endif
|
||||||
|
field_opts_off(fields[2*i+1], O_BLANK | O_AUTOSKIP | O_NULLOK);
|
||||||
|
|
||||||
|
option = next_cmos_entry(option);
|
||||||
|
}
|
||||||
|
fields[2*numopts]=NULL;
|
||||||
|
|
||||||
|
FORM *form = new_form(fields);
|
||||||
|
int numlines = min(numopts*2, 16);
|
||||||
|
WINDOW *w = newwin(numlines+2, 70, 2, 1);
|
||||||
|
WINDOW *inner_w = newpad(numopts*2, 68);
|
||||||
|
box(w, 0, 0);
|
||||||
|
mvwaddstr(w, 0, 2, "Press F1 when done");
|
||||||
|
set_form_win(form, w);
|
||||||
|
set_form_sub(form, inner_w);
|
||||||
|
post_form(form);
|
||||||
|
|
||||||
|
done = 0;
|
||||||
|
while(!done) {
|
||||||
|
ch=getch();
|
||||||
|
if (ch == ERR) continue;
|
||||||
|
switch (ch) {
|
||||||
|
case KEY_DOWN:
|
||||||
|
form_driver(form, REQ_NEXT_FIELD);
|
||||||
|
break;
|
||||||
|
case KEY_UP:
|
||||||
|
form_driver(form, REQ_PREV_FIELD);
|
||||||
|
break;
|
||||||
|
case KEY_LEFT:
|
||||||
|
if (field_type(current_field(form)) == TYPE_ENUM) {
|
||||||
|
form_driver(form, REQ_PREV_CHOICE);
|
||||||
|
} else {
|
||||||
|
form_driver(form, REQ_LEFT_CHAR);
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
case KEY_RIGHT:
|
||||||
|
if (field_type(current_field(form)) == TYPE_ENUM) {
|
||||||
|
form_driver(form, REQ_NEXT_CHOICE);
|
||||||
|
} else {
|
||||||
|
form_driver(form, REQ_RIGHT_CHAR);
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
case KEY_BACKSPACE:
|
||||||
|
case '\b':
|
||||||
|
form_driver(form, REQ_DEL_PREV);
|
||||||
|
break;
|
||||||
|
case KEY_DC:
|
||||||
|
form_driver(form, REQ_DEL_CHAR);
|
||||||
|
break;
|
||||||
|
case KEY_F(1):
|
||||||
|
done=1;
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
form_driver(form, ch);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
render_form(form);
|
||||||
|
}
|
||||||
|
|
||||||
|
for (i = 0; i < numopts; i++) {
|
||||||
|
char *name = field_buffer(fields[2*i], 0);
|
||||||
|
char *value = field_buffer(fields[2*i+1], 0);
|
||||||
|
set_option_from_string(use_nvram, opttbl, value, name);
|
||||||
|
}
|
||||||
|
|
||||||
|
unpost_form(form);
|
||||||
|
free_form(form);
|
||||||
|
touchwin(stdscr);
|
||||||
|
refresh();
|
||||||
|
|
||||||
|
endwin();
|
||||||
|
/* TODO: reboot */
|
||||||
|
halt();
|
||||||
|
}
|
||||||
|
|
||||||
|
|
@ -0,0 +1,7 @@
|
||||||
|
#!/bin/sh
|
||||||
|
#
|
||||||
|
# This is a trivial payload compile & find script for abuild
|
||||||
|
#
|
||||||
|
DIR=`dirname $0`
|
||||||
|
lpgcc -o $DIR/nvramcui.elf $DIR/nvramcui.c 2>&1 >/dev/null || exit 1
|
||||||
|
echo "$DIR/nvramcui.elf"
|
||||||
Loading…
Reference in New Issue