| /* |
| * 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_RAMDUMP |
| |
| static s64 cursor = 0; |
| static s64 cursor_max = (1 * 1024 * 1024 * 1024); /* Max. 1 GB RAM for now. */ |
| |
| static int ramdump_module_init(void) |
| { |
| return 0; |
| } |
| |
| static void dump_ram(WINDOW *win, uint32_t addr, int row, int col) |
| { |
| int i, x = 0, y = 0, count = 0; |
| volatile uint8_t *ptr = (void *)(addr); |
| |
| mvwprintw(win, 0, col + 54, "RAM address: %10d", addr); |
| |
| /* Dump 256 bytes of RAM. */ |
| for (i = 1; i < 257; i++) { |
| if (x == 0) { |
| mvwprintw(win, row + y, col - 1, "%08x", addr + 16 * y); |
| mvwaddch(win, row + y, col + 59, (const chtype)"|"); |
| mvwaddch(win, row + y, col + 76, (const chtype)"|"); |
| } |
| mvwprintw(win, row + y, col + x + 9, "%02x", ptr[i - 1]); |
| mvwprintw(win, row + y, 62 + count++, "%c", ptr[i - 1]); |
| x += 3; |
| if (x == 24) /* One more space after column/byte 8. */ |
| x++; |
| if (i % 16 == 0) { |
| y++; /* Start a newline after 16 bytes. */ |
| x = count = 0; |
| } |
| } |
| } |
| |
| static int ramdump_module_redraw(WINDOW *win) |
| { |
| print_module_title(win, "RAM Dump"); |
| dump_ram(win, cursor * 256, 2, 2); |
| |
| return 0; |
| } |
| |
| static int ramdump_module_handle(int key) |
| { |
| switch (key) { |
| case KEY_DOWN: |
| if (cursor == cursor_max) |
| return 0; |
| cursor++; |
| break; |
| case KEY_UP: |
| if (cursor == 0) |
| return 0; |
| cursor--; |
| break; |
| case KEY_NPAGE: |
| if (cursor == cursor_max) |
| return 0; |
| cursor += 4096; /* Jump in 1MB steps. */ |
| break; |
| case KEY_PPAGE: |
| if (cursor == 0) |
| return 0; |
| cursor -= 4096; /* Jump in 1MB steps. */ |
| break; |
| } |
| |
| if (cursor > cursor_max) |
| cursor = cursor_max; |
| |
| if (cursor < 0) |
| cursor = 0; |
| |
| return 1; |
| } |
| |
| struct coreinfo_module ramdump_module = { |
| .name = "RAM Dump", |
| .init = ramdump_module_init, |
| .redraw = ramdump_module_redraw, |
| .handle = ramdump_module_handle, |
| }; |
| |
| #else |
| |
| struct coreinfo_module ramdump_module = { |
| }; |
| |
| #endif |