Implement new command cmosdump.

grub-core/commands/i386/cmosdump.c

@@ -0,0 +1,64 @@
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2009,2013  Free Software Foundation, Inc.
+ *
+ *  GRUB 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, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB 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 GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <grub/dl.h>
+#include <grub/command.h>
+#include <grub/misc.h>
+#include <grub/cmos.h>
+#include <grub/i18n.h>
+
+GRUB_MOD_LICENSE ("GPLv3+");
+
+static grub_err_t
+grub_cmd_cmosdump (struct grub_command *cmd __attribute__ ((unused)),
+		   int argc __attribute__ ((unused)), char *argv[] __attribute__ ((unused)))
+{
+  int i;
+
+  for (i = 0; i < 256; i++)
+    {
+      grub_err_t err;
+      grub_uint8_t value;
+      if ((i & 0xf) == 0)
+	grub_printf ("%02x: ", i);
+
+      err = grub_cmos_read (i, &value);
+      if (err)
+	return err;
+
+      grub_printf ("%02x ", value);
+      if ((i & 0xf) == 0xf)
+	grub_printf ("\n");
+    }
+  return GRUB_ERR_NONE;
+}
+
+static grub_command_t cmd;
+
+
+GRUB_MOD_INIT(cmosdump)
+{
+  cmd = grub_register_command ("cmosdump", grub_cmd_cmosdump,
+			       0,
+			       N_("Dump CMOS contents."));
+}
+
+GRUB_MOD_FINI(cmosdump)
+{
+  grub_unregister_command (cmd);
+}