1 files changed, 85 insertions, 0 deletions
diff --git a/grub-core/commands/lsmmap.c b/grub-core/commands/lsmmap.c
new file mode 100644
index 0000000..816ee47
--- /dev/null
+++ b/grub-core/commands/lsmmap.c
@@ -0,0 +1,85 @@
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2008  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/memory.h>
+#include <grub/mm.h>
+
+GRUB_MOD_LICENSE ("GPLv3+");
+
+#ifndef GRUB_MACHINE_EMU
+static const char *names[] =
+  {
+    [GRUB_MEMORY_AVAILABLE] = N_("available RAM"),
+    [GRUB_MEMORY_RESERVED] = N_("reserved RAM"),
+    /* TRANSLATORS: this refers to memory where ACPI tables are stored
+       and which can be used by OS once it loads ACPI tables.  */
+    [GRUB_MEMORY_ACPI] = N_("ACPI reclaimable RAM"),
+    /* TRANSLATORS: this refers to memory which ACPI-compliant OS
+       is required to save accross hibernations.  */
+    [GRUB_MEMORY_NVS] = N_("ACPI non-volatile storage RAM"),
+    [GRUB_MEMORY_BADRAM] = N_("faulty RAM (BadRAM)"),
+    [GRUB_MEMORY_PERSISTENT] = N_("persistent RAM"),
+    [GRUB_MEMORY_PERSISTENT_LEGACY] = N_("persistent RAM (legacy)"),
+    [GRUB_MEMORY_COREBOOT_TABLES] = N_("RAM holding coreboot tables"),
+    [GRUB_MEMORY_CODE] = N_("RAM holding firmware code")
+  };
+
+/* Helper for grub_cmd_lsmmap.  */
+static int
+lsmmap_hook (grub_uint64_t addr, grub_uint64_t size, grub_memory_type_t type,
+	     void *data __attribute__ ((unused)))
+{
+  if (type < (int) ARRAY_SIZE (names) && type >= 0 && names[type])
+    grub_printf_ (N_("base_addr = 0x%llx, length = 0x%llx, %s\n"),
+		  (long long) addr, (long long) size, _(names[type]));
+  else
+    grub_printf_ (N_("base_addr = 0x%llx, length = 0x%llx, type = 0x%x\n"),
+		  (long long) addr, (long long) size, type);
+  return 0;
+}
+#endif
+
+static grub_err_t
+grub_cmd_lsmmap (grub_command_t cmd __attribute__ ((unused)),
+		 int argc __attribute__ ((unused)),
+		 char **args __attribute__ ((unused)))
+
+{
+#ifndef GRUB_MACHINE_EMU
+  grub_machine_mmap_iterate (lsmmap_hook, NULL);
+#endif
+
+  return 0;
+}
+
+static grub_command_t cmd;
+
+GRUB_MOD_INIT(lsmmap)
+{
+  cmd = grub_register_command ("lsmmap", grub_cmd_lsmmap,
+			       0, N_("List memory map provided by firmware."));
+}
+
+GRUB_MOD_FINI(lsmmap)
+{
+  grub_unregister_command (cmd);
+}