/* * 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_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: 0x%08x", 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, '|'); mvwaddch(win, row + y, col + 76, '|'); } mvwprintw(win, row + y, col + x + 9, "%02x", ptr[i - 1]); mvwprintw(win, row + y, 62 + count++, "%c", isprint(ptr[i - 1]) ? 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: cursor++; break; case KEY_UP: cursor--; break; case KEY_RIGHT: cursor += 256; break; case KEY_LEFT: cursor -= 256; break; case KEY_PPAGE: cursor += 4096; /* Jump in 1MB steps. */ break; case KEY_NPAGE: 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