Author: uwe Date: 2008-07-08 18:18:38 +0200 (Tue, 08 Jul 2008) New Revision: 3419
Added: trunk/payloads/coreinfo/ramdump_module.c Modified: trunk/payloads/coreinfo/Kconfig trunk/payloads/coreinfo/Makefile trunk/payloads/coreinfo/coreinfo.c Log: Add a coreinfo module which can hexdump arbitrary RAM regions and allows you to scroll through the RAM contents.
Signed-off-by: Uwe Hermann uwe@hermann-uwe.de Acked-by: Peter Stuge peter@stuge.se
Modified: trunk/payloads/coreinfo/Kconfig =================================================================== --- trunk/payloads/coreinfo/Kconfig 2008-07-07 06:38:51 UTC (rev 3418) +++ trunk/payloads/coreinfo/Kconfig 2008-07-08 16:18:38 UTC (rev 3419) @@ -68,6 +68,10 @@ bool "Enable the coreboot bootlog module" default y
+config MODULE_RAMDUMP + bool "Enable the RAM dump module" + default y + config MODULE_LAR bool "Enable the coreboot LAR module" default y
Modified: trunk/payloads/coreinfo/Makefile =================================================================== --- trunk/payloads/coreinfo/Makefile 2008-07-07 06:38:51 UTC (rev 3418) +++ trunk/payloads/coreinfo/Makefile 2008-07-08 16:18:38 UTC (rev 3419) @@ -51,7 +51,8 @@ INCLUDES = -Ibuild CFLAGS := -Wall -Werror -Os $(INCLUDES) OBJECTS = cpuinfo_module.o cpuid.S.o pci_module.o coreboot_module.o \ - nvram_module.o bootlog_module.o lar_module.o coreinfo.o + nvram_module.o bootlog_module.o ramdump_module.o lar_module.o \ + coreinfo.o OBJS = $(patsubst %,$(obj)/%,$(OBJECTS)) TARGET = $(obj)/coreinfo.elf
Modified: trunk/payloads/coreinfo/coreinfo.c =================================================================== --- trunk/payloads/coreinfo/coreinfo.c 2008-07-07 06:38:51 UTC (rev 3418) +++ trunk/payloads/coreinfo/coreinfo.c 2008-07-08 16:18:38 UTC (rev 3419) @@ -29,6 +29,7 @@ extern struct coreinfo_module coreboot_module; extern struct coreinfo_module nvram_module; extern struct coreinfo_module bootlog_module; +extern struct coreinfo_module ramdump_module; extern struct coreinfo_module lar_module;
struct coreinfo_module *system_modules[] = { @@ -41,6 +42,9 @@ #ifdef CONFIG_MODULE_NVRAM &nvram_module, #endif +#ifdef CONFIG_MODULE_RAMDUMP + &ramdump_module, +#endif };
struct coreinfo_module *coreboot_modules[] = {
Added: trunk/payloads/coreinfo/ramdump_module.c =================================================================== --- trunk/payloads/coreinfo/ramdump_module.c (rev 0) +++ trunk/payloads/coreinfo/ramdump_module.c 2008-07-08 16:18:38 UTC (rev 3419) @@ -0,0 +1,112 @@ +/* + * 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