coreboot-kgpe-d16/payloads/coreinfo/nvram_module.c

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/*
* This file is part of the coreinfo project.
*
* Copyright (C) 2008 Uwe Hermann <uwe@hermann-uwe.de>
*
* 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 "coreinfo.h"
#ifdef CONFIG_MODULE_NVRAM
/**
* Dump 256 bytes of NVRAM.
*/
static void dump_nvram(WINDOW *win, int row, int col)
{
int i, x = 0, y = 0;
/* Print vertical and horizontal index numbers. */
for (i = 0; i < 16; i++) {
mvwprintw(win, ((i < 8) ? 4 : 5) + i, 1, "%2.2X ", i);
mvwprintw(win, 2, 4 + (i * 3), "%2.2X ", i);
}
/* Print vertical and horizontal line. */
for (i = 0; i < 18; i++)
mvwaddch(win, 3 + i, 3, ACS_VLINE);
for (i = 0; i < 48; i++)
mvwaddch(win, 3, 3 + i, (i == 0) ? ACS_ULCORNER : ACS_HLINE);
/* Dump NVRAM contents. */
for (i = 1; i < 257; i++) {
mvwprintw(win, row + y, col + x, "%02x ", nvram_read(i - 1));
x += 3;
if (i % 16 == 0) {
y++; /* Start a newline after 16 bytes. */
x = 0;
}
if (i % 128 == 0) {
y++; /* Add an empty line after 128 bytes. */
x = 0;
}
}
}
static int nvram_module_redraw(WINDOW *win)
{
print_module_title(win, "NVRAM Dump");
dump_nvram(win, 4, 4);
return 0;
}
static int nvram_module_init(void)
{
return 0;
}
struct coreinfo_module nvram_module = {
.name = "NVRAM",
.init = nvram_module_init,
.redraw = nvram_module_redraw,
};
#else
struct coreinfo_module nvram_module = {
};
#endif