Please ignore, it is sent by mistake.
-----Original Message----- From: U-Boot u-boot-bounces@lists.denx.de On Behalf Of Meenakshi Aggarwal Sent: Wednesday, February 27, 2019 2:41 PM To: u-boot@lists.denx.de; Prabhakar Kushwaha prabhakar.kushwaha@nxp.com Subject: [U-Boot] [PATCH 1/2] cmd: efidebug: add memmap command
From: AKASHI Takahiro takahiro.akashi@linaro.org
"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.akashi@linaro.org Reviewed-by: Heinrich Schuchardt xypron.glpk@gmx.de
cmd/efidebug.c | 127 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 126 insertions(+), 1 deletion(-)
diff --git a/cmd/efidebug.c b/cmd/efidebug.c index e3a2d09..5072a7b 100644 --- a/cmd/efidebug.c +++ b/cmd/efidebug.c @@ -335,6 +335,127 @@ static int do_efi_show_images(cmd_tbl_t *cmdtp, int flag, 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",
+};
+static const struct efi_mem_attrs {
- const u64 bit;
- const char *text;
+} efi_mem_attrs[] = {
- {EFI_MEMORY_UC, "UC"},
- {EFI_MEMORY_UC, "UC"},
- {EFI_MEMORY_WC, "WC"},
- {EFI_MEMORY_WT, "WT"},
- {EFI_MEMORY_WB, "WB"},
- {EFI_MEMORY_UCE, "UCE"},
- {EFI_MEMORY_WP, "WP"},
- {EFI_MEMORY_RP, "RP"},
- {EFI_MEMORY_XP, "WP"},
- {EFI_MEMORY_NV, "NV"},
- {EFI_MEMORY_MORE_RELIABLE, "REL"},
- {EFI_MEMORY_RO, "RO"},
- {EFI_MEMORY_RUNTIME, "RT"},
+};
+/**
- print_memory_attributes() - print memory map attributes
- @attributes: Attribute value
- Print memory map attributes
- */
+static void print_memory_attributes(u64 attributes) {
- int sep, i;
- for (sep = 0, i = 0; i < ARRAY_SIZE(efi_mem_attrs); i++)
if (attributes & efi_mem_attrs[i].bit) {if (sep) {putc('|');} else {putc(' ');sep = 1;}puts(efi_mem_attrs[i].text);}+}
+#define EFI_PHYS_ADDR_WIDTH (int)(sizeof(efi_physical_addr_t) * 2)
+/**
- do_efi_show_memmap() - show UEFI memory map
- @cmdtp: Command table
- @flag: Command flag
- @argc: Number of arguments
- @argv: Argument array
- Return: CMD_RET_SUCCESS on success, CMD_RET_RET_FAILURE on
failure
- Implement efidebug "memmap" sub-command.
- Show UEFI memory map.
- */
+static int do_efi_show_memmap(cmd_tbl_t *cmdtp, int flag,
int argc, char * const argv[]) {- struct efi_mem_desc *memmap = NULL, *map;
- efi_uintn_t map_size = 0;
- const char *type;
- int i;
- efi_status_t ret;
- ret = EFI_CALL(BS->get_memory_map(&map_size, memmap, NULL,
NULL, NULL));
- if (ret == EFI_BUFFER_TOO_SMALL) {
map_size += sizeof(struct efi_mem_desc); /* for my own */ret = EFI_CALL(BS->allocate_pool(EFI_LOADER_DATA,map_size, (void*)&memmap));
if (ret != EFI_SUCCESS)return CMD_RET_FAILURE;ret = EFI_CALL(BS->get_memory_map(&map_size, memmap,NULL, NULL, NULL));- }
- if (ret != EFI_SUCCESS) {
EFI_CALL(BS->free_pool(memmap));return CMD_RET_FAILURE;- }
- printf("Type Start%.*s End%.*s Attributes\n",
EFI_PHYS_ADDR_WIDTH - 5, spc, EFI_PHYS_ADDR_WIDTH - 3, spc);- printf("================ %.*s %.*s ==========\n",
EFI_PHYS_ADDR_WIDTH, sep, EFI_PHYS_ADDR_WIDTH, sep);- for (i = 0, map = memmap; i < map_size / sizeof(*map); map++, i++) {
if (map->type < EFI_MAX_MEMORY_TYPE)type = efi_mem_type_string[map->type];elsetype = "(unknown)";printf("%-16s %.*llx-%.*llx", type,EFI_PHYS_ADDR_WIDTH,map->physical_start,EFI_PHYS_ADDR_WIDTH,map->physical_start + map->num_pages * EFI_PAGE_SIZE);print_memory_attributes(map->attribute);putc('\n');- }
- EFI_CALL(BS->free_pool(memmap));
- return CMD_RET_SUCCESS;
+}
/**
- do_efi_boot_add() - set UEFI load option
@@ -845,6 +966,8 @@ static cmd_tbl_t cmd_efidebug_sub[] = { "", ""), U_BOOT_CMD_MKENT(images, CONFIG_SYS_MAXARGS, 1, do_efi_show_images, "", ""),
- U_BOOT_CMD_MKENT(memmap, CONFIG_SYS_MAXARGS, 1,
do_efi_show_memmap,
"", ""),};
/** @@ -911,7 +1034,9 @@ static char efidebug_help_text[] = "efidebug dh\n" " - show uefi handles\n" "efidebug images\n"
- " - show loaded images\n";
- " - show loaded images\n"
- "efidebug memmap\n"
- " - show uefi memory map\n";
#endif
U_BOOT_CMD(
1.9.1
U-Boot mailing list U-Boot@lists.denx.de https://emea01.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.de nx.de%2Flistinfo%2Fu- boot&data=02%7C01%7Cmeenakshi.aggarwal%40nxp.com%7Cf6d2c8270 9004cdb237708d69c634a7f%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C0%7C 0%7C636868347604262106&sdata=5uxeibcyDGCCEu1yYYp3gXqz8huNvnoc GqFVj5lumd8%3D&reserved=0