New commands cbmemc, lscoreboot, coreboot_boottime to inspect

coreboot tables content. Support for cbmemc.
2013-03-20 17:13:31 +01:00 · 2013-03-20 17:13:31 +01:00 · cc19857a2a
commit cc19857a2a
parent ef8810e9f3
10 changed files with 446 additions and 5 deletions
--- a/grub-core/commands/i386/coreboot/cbls.c
+++ b/grub-core/commands/i386/coreboot/cbls.c
@ -0,0 +1,128 @@
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 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/misc.h>
+#include <grub/command.h>
+#include <grub/i18n.h>
+#include <grub/i386/coreboot/lbio.h>
+#include <grub/i386/tsc.h>
+
+GRUB_MOD_LICENSE ("GPLv3+");
+
+static const char *console_descs[] = {
+  "8250 UART",
+  "VGA",
+  "BTEXT",
+  "CBMEM console",
+  "SROM",
+  "EHCI debug",
+  "memory-mapped 8250 UART"
+};
+
+static const char *descs[] = {
+  [GRUB_LINUXBIOS_MEMBER_MEMORY] = "memory map (`lsmmap' to list)",
+  [GRUB_LINUXBIOS_MEMBER_MAINBOARD] = "mainboard",
+  [4] = "version",
+  [5] = "extra version",
+  [6] = "build",
+  [7] = "compile time",
+  [8] = "compile by",
+  [9] = "compile host",
+  [0xa] = "compile domain",
+  [0xb] = "compiler",
+  [0xc] = "linker",
+  [0xd] = "assembler",
+  [0xf] = "serial",
+  [GRUB_LINUXBIOS_MEMBER_CONSOLE] = "console",
+  [0x12] = "framebuffer",
+  [0x13] = "GPIO",
+  [0x15] = "VDAT",
+  [GRUB_LINUXBIOS_MEMBER_TIMESTAMPS] = "timestamps (`coreboot_boottime' to list)",
+  [GRUB_LINUXBIOS_MEMBER_CBMEMC] = "CBMEM console (`cbmem' to list)",
+  [0x18] = "MRC cache",
+  [0x19] = "VBNV",
+  [0xc8] = "CMOS option table",
+  [0xc9] = "CMOS option",
+  [0xca] = "CMOS option enum",
+  [0xcb] = "CMOS option defaults",
+  [0xcc] = "CMOS checksum",
+};
+
+static int
+iterate_linuxbios_table (grub_linuxbios_table_item_t table_item,
+			 void *data __attribute__ ((unused)))
+{
+  if (table_item->tag < ARRAY_SIZE (descs) && descs[table_item->tag])
+    grub_printf ("tag=%02x size=%02x %s",
+		 table_item->tag, table_item->size, descs[table_item->tag]);
+  else
+    grub_printf ("tag=%02x size=%02x",
+		 table_item->tag, table_item->size);
+
+  switch (table_item->tag)
+    {
+    case GRUB_LINUXBIOS_MEMBER_MAINBOARD:
+      {
+	struct grub_linuxbios_mainboard *mb;
+	mb = (struct grub_linuxbios_mainboard *) (table_item + 1);
+	grub_printf (": vendor=`%s' part_number=`%s'",
+		     mb->strings + mb->vendor,
+		     mb->strings + mb->part_number);
+	break;
+      }
+    case 0x04 ... 0x0d:
+      grub_printf (": `%s'", (char *) (table_item + 1));
+      break;
+    case GRUB_LINUXBIOS_MEMBER_CONSOLE:
+      {
+	grub_uint16_t *val = (grub_uint16_t *) (table_item + 1);
+	grub_printf (": id=%d", *val);
+	if (*val < ARRAY_SIZE (console_descs)
+	    && console_descs[*val])
+	  grub_printf (" %s", console_descs[*val]);
+      }
+    }
+  grub_printf ("\n");
+
+  return 0;
+}
+
+
+static grub_err_t
+grub_cmd_lscoreboot (struct grub_command *cmd __attribute__ ((unused)),
+			    int argc __attribute__ ((unused)),
+			    char *argv[] __attribute__ ((unused)))
+{
+  grub_linuxbios_table_iterate (iterate_linuxbios_table, 0);
+  return 0;
+}
+
+static grub_command_t cmd;
+
+GRUB_MOD_INIT(cbls)
+{
+  cmd =
+    grub_register_command ("lscoreboot", grub_cmd_lscoreboot,
+			   0, N_("List coreboot tables."));
+}
+
+GRUB_MOD_FINI(cbls)
+{
+  grub_unregister_command (cmd);
+}