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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.
*/
#include "coreinfo.h"
#if IS_ENABLED(CONFIG_MODULE_BOOTLOG)
#define CONFIG_COREBOOT_PRINTK_BUFFER_ADDR 0x90000
#define CONFIG_COREBOOT_PRINTK_BUFFER_SIZE 65536
static char *buf;
static s32 cursor = 0;
static s32 cursor_max;
static int bootlog_module_init(void)
{
int i;
volatile unsigned long *ptr =
(void *)(CONFIG_COREBOOT_PRINTK_BUFFER_ADDR + 16); /* FIXME */
buf = malloc(CONFIG_COREBOOT_PRINTK_BUFFER_SIZE);
if (!buf) {
/* TODO */
}
memcpy(buf, (char *)ptr, CONFIG_COREBOOT_PRINTK_BUFFER_SIZE);
cursor_max = CONFIG_COREBOOT_PRINTK_BUFFER_SIZE;
for (i = 0; i < 20; i++) {
do {
cursor_max--;
} while (*(buf + cursor_max) != '\n');
}
cursor_max++; /* Stay _behind_ the newline. */
/* TODO: Maybe a _cleanup hook where we call free()? */
return 0;
}
static int bootlog_module_redraw(WINDOW *win)
{
int x = 0, y = 0;
char *tmp = buf + cursor;
print_module_title(win, "Coreboot Bootlog");
/* FIXME: Handle lines longer than 80 characters. */
while (y <= 18) {
mvwaddch(win, y + 2, x, isprint(*tmp) ? *tmp : ' ');
x++;
tmp++;
if (*tmp == '\n') {
y++;
x = 0;
tmp++; /* Skip the newline. */
}
}
return 0;
}
/* TODO: Simplify code. */
static int bootlog_module_handle(int key)
{
int i;
switch (key) {
case KEY_DOWN:
if (cursor == cursor_max)
return 0;
while (*(buf + cursor) != '\n')
cursor++;
cursor++; /* Skip the newline. */
break;
case KEY_UP:
if (cursor == 0)
return 0;
cursor--; /* Skip the newline. */
do {
cursor--;
} while (*(buf + cursor) != '\n');
cursor++; /* Stay _behind_ the newline. */
break;
case KEY_NPAGE:
if (cursor == cursor_max)
return 0;
for (i = 0; i < 20; i++) {
while (*(buf + cursor) != '\n')
cursor++;
cursor++; /* Skip the newline. */
}
break;
case KEY_PPAGE:
if (cursor == 0)
return 0;
for (i = 0; i < 20; i++) {
do {
cursor--;
} while (*(buf + cursor) != '\n');
}
cursor++; /* Stay _behind_ the newline. */
break;
}
if (cursor > cursor_max)
cursor = cursor_max;
if (cursor < 0)
cursor = 0;
return 1;
}
struct coreinfo_module bootlog_module = {
.name = "Bootlog",
.init = bootlog_module_init,
.redraw = bootlog_module_redraw,
.handle = bootlog_module_handle,
};
#else
struct coreinfo_module bootlog_module = {
};
#endif
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