108 lines
2.3 KiB
C
108 lines
2.3 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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#include "coreinfo.h"
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#if CONFIG(MODULE_RAMDUMP)
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static s64 cursor = 0;
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static s64 cursor_max = (1 * 1024 * 1024 * 1024); /* Max. 1 GB RAM for now. */
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static int ramdump_module_init(void)
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{
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return 0;
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}
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static void dump_ram(WINDOW *win, uint32_t addr, int row, int col)
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{
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int i, x = 0, y = 0, count = 0;
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volatile uint8_t *ptr = (void *)(addr);
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mvwprintw(win, 0, col + 54, "RAM address: 0x%08x", addr);
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/* Dump 256 bytes of RAM. */
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for (i = 1; i < 257; i++) {
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if (x == 0) {
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mvwprintw(win, row + y, col - 1, "%08x", addr + 16 * y);
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mvwaddch(win, row + y, col + 59, '|');
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mvwaddch(win, row + y, col + 76, '|');
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}
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mvwprintw(win, row + y, col + x + 9, "%02x", ptr[i - 1]);
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mvwprintw(win, row + y, 62 + count++, "%c",
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isprint(ptr[i - 1]) ? ptr[i - 1] : ' ');
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x += 3;
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if (x == 24) /* One more space after column/byte 8. */
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x++;
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if (i % 16 == 0) {
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y++; /* Start a newline after 16 bytes. */
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x = count = 0;
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}
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}
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}
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static int ramdump_module_redraw(WINDOW *win)
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{
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print_module_title(win, "RAM Dump");
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dump_ram(win, cursor * 256, 2, 2);
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return 0;
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}
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static int ramdump_module_handle(int key)
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{
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switch (key) {
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case KEY_DOWN:
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cursor++;
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break;
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case KEY_UP:
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cursor--;
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break;
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case KEY_RIGHT:
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cursor += 256;
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break;
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case KEY_LEFT:
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cursor -= 256;
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break;
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case KEY_PPAGE:
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cursor += 4096; /* Jump in 1MB steps. */
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break;
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case KEY_NPAGE:
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cursor -= 4096; /* Jump in 1MB steps. */
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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 ramdump_module = {
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.name = "RAM Dump",
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.init = ramdump_module_init,
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.redraw = ramdump_module_redraw,
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.handle = ramdump_module_handle,
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};
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#else
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struct coreinfo_module ramdump_module = {
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};
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#endif
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