2N/A/* lsefimemmap.c - Display memory map. */
2N/A/*
2N/A * GRUB -- GRand Unified Bootloader
2N/A * Copyright (C) 2008 Free Software Foundation, Inc.
2N/A *
2N/A * GRUB is free software: you can redistribute it and/or modify
2N/A * it under the terms of the GNU General Public License as published by
2N/A * the Free Software Foundation, either version 3 of the License, or
2N/A * (at your option) any later version.
2N/A *
2N/A * GRUB is distributed in the hope that it will be useful,
2N/A * but WITHOUT ANY WARRANTY; without even the implied warranty of
2N/A * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
2N/A * GNU General Public License for more details.
2N/A *
2N/A * You should have received a copy of the GNU General Public License
2N/A * along with GRUB. If not, see <http://www.gnu.org/licenses/>.
2N/A */
2N/A#include <grub/types.h>
2N/A#include <grub/mm.h>
2N/A#include <grub/misc.h>
2N/A#include <grub/efi/api.h>
2N/A#include <grub/efi/efi.h>
2N/A#include <grub/command.h>
2N/A
2N/AGRUB_MOD_LICENSE ("GPLv3+");
2N/A
2N/A#define ADD_MEMORY_DESCRIPTOR(desc, size) \
2N/A ((grub_efi_memory_descriptor_t *) ((char *) (desc) + (size)))
2N/A
2N/Astatic grub_err_t
2N/Agrub_cmd_lsefimmap (grub_command_t cmd __attribute__ ((unused)),
2N/A int argc __attribute__ ((unused)),
2N/A char **args __attribute__ ((unused)))
2N/A{
2N/A grub_efi_uintn_t map_size;
2N/A grub_efi_memory_descriptor_t *memory_map;
2N/A grub_efi_memory_descriptor_t *memory_map_end;
2N/A grub_efi_memory_descriptor_t *desc;
2N/A grub_efi_uintn_t desc_size;
2N/A
2N/A map_size = 0;
2N/A if (grub_efi_get_memory_map (&map_size, NULL, NULL, &desc_size, 0) < 0)
2N/A return 0;
2N/A
2N/A memory_map = grub_malloc (map_size);
2N/A if (memory_map == NULL)
2N/A return grub_errno;
2N/A if (grub_efi_get_memory_map (&map_size, memory_map, NULL, &desc_size, 0) <= 0)
2N/A goto fail;
2N/A
2N/A grub_printf
2N/A ("Type Physical start - end #Pages "
2N/A " Size Attributes\n");
2N/A memory_map_end = ADD_MEMORY_DESCRIPTOR (memory_map, map_size);
2N/A for (desc = memory_map;
2N/A desc < memory_map_end;
2N/A desc = ADD_MEMORY_DESCRIPTOR (desc, desc_size))
2N/A {
2N/A grub_efi_uint64_t size;
2N/A grub_efi_uint64_t attr;
2N/A static const char types_str[][9] =
2N/A {
2N/A "reserved",
2N/A "ldr-code",
2N/A "ldr-data",
2N/A "BS-code ",
2N/A "BS-data ",
2N/A "RT-code ",
2N/A "RT-data ",
2N/A "conv-mem",
2N/A "unusable",
2N/A "ACPI-rec",
2N/A "ACPI-nvs",
2N/A "MMIO ",
2N/A "IO-ports",
2N/A "PAL-code"
2N/A };
2N/A if (desc->type < ARRAY_SIZE (types_str))
2N/A grub_printf ("%s ", types_str[desc->type]);
2N/A else
2N/A grub_printf ("Unk %02x ", desc->type);
2N/A
2N/A grub_printf (" %016" PRIxGRUB_UINT64_T "-%016" PRIxGRUB_UINT64_T
2N/A " %08" PRIxGRUB_UINT64_T,
2N/A desc->physical_start,
2N/A desc->physical_start + (desc->num_pages << 12) - 1,
2N/A desc->num_pages);
2N/A
2N/A size = desc->num_pages;
2N/A size <<= (12 - 10);
2N/A if (size < 1024)
2N/A grub_printf (" %4" PRIuGRUB_UINT64_T "KB", size);
2N/A else
2N/A {
2N/A size /= 1024;
2N/A if (size < 1024)
2N/A grub_printf (" %4" PRIuGRUB_UINT64_T "MB", size);
2N/A else
2N/A {
2N/A size /= 1024;
2N/A grub_printf (" %4" PRIuGRUB_UINT64_T "GB", size);
2N/A }
2N/A }
2N/A
2N/A attr = desc->attribute;
2N/A if (attr & GRUB_EFI_MEMORY_RUNTIME)
2N/A grub_printf (" RT");
2N/A if (attr & GRUB_EFI_MEMORY_UC)
2N/A grub_printf (" UC");
2N/A if (attr & GRUB_EFI_MEMORY_WC)
2N/A grub_printf (" WC");
2N/A if (attr & GRUB_EFI_MEMORY_WT)
2N/A grub_printf (" WT");
2N/A if (attr & GRUB_EFI_MEMORY_WB)
2N/A grub_printf (" WB");
2N/A if (attr & GRUB_EFI_MEMORY_UCE)
2N/A grub_printf (" UCE");
2N/A if (attr & GRUB_EFI_MEMORY_WP)
2N/A grub_printf (" WP");
2N/A if (attr & GRUB_EFI_MEMORY_RP)
2N/A grub_printf (" RP");
2N/A if (attr & GRUB_EFI_MEMORY_XP)
2N/A grub_printf (" XP");
2N/A
2N/A grub_printf ("\n");
2N/A }
2N/A
2N/A fail:
2N/A grub_free (memory_map);
2N/A return 0;
2N/A}
2N/A
2N/Astatic grub_command_t cmd;
2N/A
2N/AGRUB_MOD_INIT(lsefimmap)
2N/A{
2N/A cmd = grub_register_command ("lsefimmap", grub_cmd_lsefimmap,
2N/A "", "Display EFI memory map.");
2N/A}
2N/A
2N/AGRUB_MOD_FINI(lsefimmap)
2N/A{
2N/A grub_unregister_command (cmd);
2N/A}