On 05.11.18 10:06, AKASHI Takahiro wrote:
> "memmap" command prints uefi-specific memory map information.
> => efi memmap
> Type Start End Attributes
> ================ ================ ================ ==========
> CONVENTIONAL 0000000040000000-000000007de27000 WB
> RUNTIME DATA 000000007de27000-000000007de28000 WB|RT
> RESERVED 000000007de28000-000000007de2a000 WB
> RUNTIME DATA 000000007de2a000-000000007de2b000 WB|RT
> RESERVED 000000007de2b000-000000007de2c000 WB
> RUNTIME DATA 000000007de2c000-000000007de2d000 WB|RT
> LOADER DATA 000000007de2d000-000000007ff37000 WB
> RUNTIME CODE 000000007ff37000-000000007ff38000 WB|RT
> LOADER DATA 000000007ff38000-0000000080000000 WB
>
> Signed-off-by: AKASHI Takahiro <takahiro.aka...@linaro.org>
> ---
> cmd/efishell.c | 78 +++++++++++++++++++++++++++++++++++++++++++++++++-
> 1 file changed, 77 insertions(+), 1 deletion(-)
>
> diff --git a/cmd/efishell.c b/cmd/efishell.c
> index b5050d63fa22..3e1118a407ff 100644
> --- a/cmd/efishell.c
> +++ b/cmd/efishell.c
> @@ -442,6 +442,78 @@ static int do_efi_show_images(int argc, char * const
> argv[])
> return CMD_RET_SUCCESS;
> }
>
> +static const char * const efi_mem_type_string[] = {
> + [EFI_RESERVED_MEMORY_TYPE] = "RESERVED",
> + [EFI_LOADER_CODE] = "LOADER CODE",
> + [EFI_LOADER_DATA] = "LOADER DATA",
> + [EFI_BOOT_SERVICES_CODE] = "BOOT CODE",
> + [EFI_BOOT_SERVICES_DATA] = "BOOT DATA",
> + [EFI_RUNTIME_SERVICES_CODE] = "RUNTIME CODE",
> + [EFI_RUNTIME_SERVICES_DATA] = "RUNTIME DATA",
> + [EFI_CONVENTIONAL_MEMORY] = "CONVENTIONAL",
> + [EFI_UNUSABLE_MEMORY] = "UNUSABLE MEM",
> + [EFI_ACPI_RECLAIM_MEMORY] = "ACPI RECLAIM MEM",
> + [EFI_ACPI_MEMORY_NVS] = "ACPI NVS",
> + [EFI_MMAP_IO] = "IO",
> + [EFI_MMAP_IO_PORT] = "IO PORT",
> + [EFI_PAL_CODE] = "PAL",
> +};
> +
> +#define EFI_MEM_ATTR(attribute, bit, string) \
> + if ((attribute) & (bit)) { \
> + if (sep) \
> + putc('|'); \
> + sep = 1; \
> + printf(string); \
> + }
> +
> +static int do_efi_show_memmap(int argc, char * const argv[])
> +{
> + struct efi_mem_desc *map = NULL;
> + efi_uintn_t map_size = 0;
> + int i, sep;
> + efi_status_t ret;
> +
> + ret = efi_get_memory_map(&map_size, map, NULL, NULL, NULL);
> + if (ret == EFI_BUFFER_TOO_SMALL) {
> + map = malloc(map_size);
Where is the free() to this malloc()?
Alex
> + if (!map)
> + return CMD_RET_FAILURE;
> + ret = efi_get_memory_map(&map_size, map, NULL, NULL, NULL);
> + }
> + if (ret != EFI_SUCCESS)
> + return CMD_RET_FAILURE;
> +
> + ret = efi_get_memory_map(&map_size, map, NULL, NULL, NULL);
> + if (ret != EFI_SUCCESS)
> + return CMD_RET_FAILURE;
> +
> + printf("Type Start End
> Attributes\n");
> + printf("================ ================ ================
> ==========\n");
> + for (i = 0; i < map_size / sizeof(*map); map++, i++) {
> + sep = 0;
> + printf("%-16s %016llx-%016llx ",
> + efi_mem_type_string[map->type],
> + map->physical_start,
> + map->physical_start + map->num_pages * EFI_PAGE_SIZE);
> + EFI_MEM_ATTR(map->attribute, EFI_MEMORY_UC, "UC");
> + EFI_MEM_ATTR(map->attribute, EFI_MEMORY_WC, "WC");
> + EFI_MEM_ATTR(map->attribute, EFI_MEMORY_WT, "WT");
> + EFI_MEM_ATTR(map->attribute, EFI_MEMORY_WB, "WB");
> + EFI_MEM_ATTR(map->attribute, EFI_MEMORY_UCE, "UCE");
> + EFI_MEM_ATTR(map->attribute, EFI_MEMORY_WP, "WP");
> + EFI_MEM_ATTR(map->attribute, EFI_MEMORY_RP, "RP");
> + EFI_MEM_ATTR(map->attribute, EFI_MEMORY_XP, "WP");
> + EFI_MEM_ATTR(map->attribute, EFI_MEMORY_NV, "NV");
> + EFI_MEM_ATTR(map->attribute, EFI_MEMORY_MORE_RELIABLE, "REL");
> + EFI_MEM_ATTR(map->attribute, EFI_MEMORY_RO, "RO");
> + EFI_MEM_ATTR(map->attribute, EFI_MEMORY_RUNTIME, "RT");
> + putc('\n');
> + }
> +
> + return CMD_RET_SUCCESS;
> +}
> +
> static int do_efi_boot_add(int argc, char * const argv[])
> {
> int id;
> @@ -826,6 +898,8 @@ static int do_efishell(cmd_tbl_t *cmdtp, int flag,
> return do_efi_show_drivers(argc, argv);
> else if (!strcmp(command, "images"))
> return do_efi_show_images(argc, argv);
> + else if (!strcmp(command, "memmap"))
> + return do_efi_show_memmap(argc, argv);
> else
> return CMD_RET_USAGE;
> }
> @@ -853,7 +927,9 @@ static char efishell_help_text[] =
> "efishell drivers\n"
> " - show uefi drivers\n"
> "efishell images\n"
> - " - show loaded images\n";
> + " - show loaded images\n"
> + "efishell memmap\n"
> + " - show uefi memory map\n";
> #endif
>
> U_BOOT_CMD(
>
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