94c1bd8904
ramdump screens. This fixes unaligned display on serial console. The current isprint() implementation assumes a C locale, so also characters with the eigth bit set are supressed (they produced inconsistant results on VGA and serial anyway). Signed-off-by: Ulf Jordan <jordan@chalmers.se> Acked-by: Peter Stuge <peter@stuge.se> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3621 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
144 lines
3.0 KiB
C
144 lines
3.0 KiB
C
/*
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* This file is part of the coreinfo project.
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*
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* Copyright (C) 2008 Uwe Hermann <uwe@hermann-uwe.de>
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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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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "coreinfo.h"
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#ifdef CONFIG_MODULE_BOOTLOG
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#define CONFIG_COREBOOT_PRINTK_BUFFER_ADDR 0x90000
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#define CONFIG_COREBOOT_PRINTK_BUFFER_SIZE 65536
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static char *buf;
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static s32 cursor = 0;
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static s32 cursor_max;
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static int bootlog_module_init(void)
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{
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int i;
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volatile unsigned long *ptr =
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(void *)(CONFIG_COREBOOT_PRINTK_BUFFER_ADDR + 16); /* FIXME */
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buf = malloc(CONFIG_COREBOOT_PRINTK_BUFFER_SIZE);
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if (!buf) {
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/* TODO */
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}
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memcpy(buf, (char *)ptr, CONFIG_COREBOOT_PRINTK_BUFFER_SIZE);
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cursor_max = CONFIG_COREBOOT_PRINTK_BUFFER_SIZE;
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for (i = 0; i < 20; i++) {
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do {
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cursor_max--;
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} while (*(buf + cursor_max) != '\n');
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}
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cursor_max++; /* Stay _behind_ the newline. */
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/* TODO: Maybe a _cleanup hook where we call free()? */
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return 0;
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}
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static int bootlog_module_redraw(WINDOW *win)
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{
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int x = 0, y = 0;
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char *tmp = buf + cursor;
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print_module_title(win, "Coreboot Bootlog");
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/* FIXME: Handle lines longer than 80 characters. */
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while (y <= 18) {
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mvwaddch(win, y + 2, x, isprint(*tmp) ? *tmp : ' ');
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x++;
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tmp++;
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if (*tmp == '\n') {
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y++;
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x = 0;
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tmp++; /* Skip the newline. */
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}
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}
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return 0;
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}
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/* TODO: Simplify code. */
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static int bootlog_module_handle(int key)
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{
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int i;
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switch (key) {
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case KEY_DOWN:
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if (cursor == cursor_max)
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return 0;
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while (*(buf + cursor) != '\n')
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cursor++;
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cursor++; /* Skip the newline. */
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break;
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case KEY_UP:
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if (cursor == 0)
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return 0;
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cursor--; /* Skip the newline. */
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do {
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cursor--;
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} while (*(buf + cursor) != '\n');
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cursor++; /* Stay _behind_ the newline. */
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break;
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case KEY_NPAGE:
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if (cursor == cursor_max)
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return 0;
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for (i = 0; i < 20; i++) {
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while (*(buf + cursor) != '\n')
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cursor++;
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cursor++; /* Skip the newline. */
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}
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break;
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case KEY_PPAGE:
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if (cursor == 0)
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return 0;
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for (i = 0; i < 20; i++) {
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do {
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cursor--;
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} while (*(buf + cursor) != '\n');
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}
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cursor++; /* Stay _behind_ the newline. */
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break;
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}
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if (cursor > cursor_max)
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cursor = cursor_max;
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if (cursor < 0)
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cursor = 0;
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return 1;
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}
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struct coreinfo_module bootlog_module = {
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.name = "Bootlog",
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.init = bootlog_module_init,
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.redraw = bootlog_module_redraw,
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.handle = bootlog_module_handle,
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};
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#else
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struct coreinfo_module bootlog_module = {
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};
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#endif
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