diff options
Diffstat (limited to 'grub-core/commands/lsmmap.c')
-rw-r--r-- | grub-core/commands/lsmmap.c | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/grub-core/commands/lsmmap.c b/grub-core/commands/lsmmap.c new file mode 100644 index 0000000..44598f0 --- /dev/null +++ b/grub-core/commands/lsmmap.c @@ -0,0 +1,74 @@ +/* + * 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> + +GRUB_MOD_LICENSE ("GPLv3+"); + +static const char *names[] = + { + [GRUB_MEMORY_AVAILABLE] = "available", + [GRUB_MEMORY_RESERVED] = "reserved", + [GRUB_MEMORY_ACPI] = "ACPI reclamaible", + [GRUB_MEMORY_NVS] = "NVS", + [GRUB_MEMORY_BADRAM] = "BadRAM", + [GRUB_MEMORY_CODE] = "firmware code", + [GRUB_MEMORY_HOLE] = "hole" + }; + +static grub_err_t +grub_cmd_lsmmap (grub_command_t cmd __attribute__ ((unused)), + int argc __attribute__ ((unused)), + char **args __attribute__ ((unused))) + +{ + auto int NESTED_FUNC_ATTR hook (grub_uint64_t, grub_uint64_t, grub_memory_type_t); + int NESTED_FUNC_ATTR hook (grub_uint64_t addr, grub_uint64_t size, + grub_memory_type_t type) + { + if (type < ARRAY_SIZE (names) && names[type]) + grub_printf ("base_addr = 0x%llx, length = 0x%llx, %s\n", + (long long) addr, (long long) size, names[type]); + else + grub_printf ("base_addr = 0x%llx, length = 0x%llx, type = 0x%x\n", + (long long) addr, (long long) size, type); + return 0; + } +#ifndef GRUB_MACHINE_EMU + grub_machine_mmap_iterate (hook); +#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); +} |