#include <exports.h>
#include <hexdump.h>
#include <malloc.h>
+#include <mapmem.h>
#include <search.h>
#include <linux/ctype.h>
#define BS systab.boottime
-#define RT systab.runtime
/**
* efi_get_device_handle_info() - get information of UEFI device
* Implement efidebug "devices" sub-command.
* Show all UEFI devices and their information.
*/
-static int do_efi_show_devices(cmd_tbl_t *cmdtp, int flag,
- int argc, char * const argv[])
+static int do_efi_show_devices(struct cmd_tbl *cmdtp, int flag,
+ int argc, char *const argv[])
{
efi_handle_t *handles;
efi_uintn_t num, i;
u16 *dev_path_text;
efi_status_t ret;
- ret = EFI_CALL(BS->locate_handle_buffer(ALL_HANDLES, NULL, NULL,
+ ret = EFI_CALL(efi_locate_handle_buffer(ALL_HANDLES, NULL, NULL,
&num, &handles));
if (ret != EFI_SUCCESS)
return CMD_RET_FAILURE;
}
}
- EFI_CALL(BS->free_pool(handles));
+ efi_free_pool(handles);
return CMD_RET_SUCCESS;
}
* Implement efidebug "drivers" sub-command.
* Show all UEFI drivers and their information.
*/
-static int do_efi_show_drivers(cmd_tbl_t *cmdtp, int flag,
- int argc, char * const argv[])
+static int do_efi_show_drivers(struct cmd_tbl *cmdtp, int flag,
+ int argc, char *const argv[])
{
efi_handle_t *handles;
efi_uintn_t num, i;
u16 *driver_name, *image_path_text;
efi_status_t ret;
- ret = EFI_CALL(BS->locate_handle_buffer(
+ ret = EFI_CALL(efi_locate_handle_buffer(
BY_PROTOCOL, &efi_guid_driver_binding_protocol,
NULL, &num, &handles));
if (ret != EFI_SUCCESS)
else
printf("%p %-20ls <built-in>\n",
handles[i], driver_name);
- EFI_CALL(BS->free_pool(driver_name));
- EFI_CALL(BS->free_pool(image_path_text));
+ efi_free_pool(driver_name);
+ efi_free_pool(image_path_text);
}
}
- EFI_CALL(BS->free_pool(handles));
+ efi_free_pool(handles);
return CMD_RET_SUCCESS;
}
* Show all UEFI handles and their information, currently all protocols
* added to handle.
*/
-static int do_efi_show_handles(cmd_tbl_t *cmdtp, int flag,
- int argc, char * const argv[])
+static int do_efi_show_handles(struct cmd_tbl *cmdtp, int flag,
+ int argc, char *const argv[])
{
efi_handle_t *handles;
efi_guid_t **guid;
const char *guid_text;
efi_status_t ret;
- ret = EFI_CALL(BS->locate_handle_buffer(ALL_HANDLES, NULL, NULL,
+ ret = EFI_CALL(efi_locate_handle_buffer(ALL_HANDLES, NULL, NULL,
&num, &handles));
if (ret != EFI_SUCCESS)
return CMD_RET_FAILURE;
putc('\n');
}
- EFI_CALL(BS->free_pool(handles));
+ efi_free_pool(handles);
return CMD_RET_SUCCESS;
}
* Implement efidebug "images" sub-command.
* Show all UEFI loaded images and their information.
*/
-static int do_efi_show_images(cmd_tbl_t *cmdtp, int flag,
- int argc, char * const argv[])
+static int do_efi_show_images(struct cmd_tbl *cmdtp, int flag,
+ int argc, char *const argv[])
{
efi_print_image_infos(NULL);
[EFI_MMAP_IO] = "IO",
[EFI_MMAP_IO_PORT] = "IO PORT",
[EFI_PAL_CODE] = "PAL",
+ [EFI_PERSISTENT_MEMORY_TYPE] = "PERSISTENT",
};
static const struct efi_mem_attrs {
* 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[])
+static int do_efi_show_memmap(struct cmd_tbl *cmdtp, int flag,
+ int argc, char *const argv[])
{
struct efi_mem_desc *memmap = NULL, *map;
efi_uintn_t map_size = 0;
int i;
efi_status_t ret;
- ret = EFI_CALL(BS->get_memory_map(&map_size, memmap, NULL, NULL, NULL));
+ ret = efi_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));
+ ret = efi_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));
+ ret = efi_get_memory_map(&map_size, memmap, NULL, NULL, NULL);
}
if (ret != EFI_SUCCESS) {
- EFI_CALL(BS->free_pool(memmap));
+ efi_free_pool(memmap);
return CMD_RET_FAILURE;
}
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);
+ /*
+ * Coverity check: dereferencing null pointer "map."
+ * This is a false positive as memmap will always be
+ * populated by allocate_pool() above.
+ */
for (i = 0, map = memmap; i < map_size / sizeof(*map); map++, i++) {
- if (map->type < EFI_MAX_MEMORY_TYPE)
+ if (map->type < ARRAY_SIZE(efi_mem_type_string))
type = efi_mem_type_string[map->type];
else
type = "(unknown)";
printf("%-16s %.*llx-%.*llx", type,
EFI_PHYS_ADDR_WIDTH,
- map->physical_start,
+ (u64)map_to_sysmem((void *)(uintptr_t)
+ map->physical_start),
EFI_PHYS_ADDR_WIDTH,
- map->physical_start + map->num_pages * EFI_PAGE_SIZE);
+ (u64)map_to_sysmem((void *)(uintptr_t)
+ (map->physical_start +
+ map->num_pages * EFI_PAGE_SIZE)));
print_memory_attributes(map->attribute);
putc('\n');
}
- EFI_CALL(BS->free_pool(memmap));
+ efi_free_pool(memmap);
return CMD_RET_SUCCESS;
}
* Implement efidebug "tables" sub-command.
* Show UEFI configuration tables.
*/
-static int do_efi_show_tables(cmd_tbl_t *cmdtp, int flag,
- int argc, char * const argv[])
+static int do_efi_show_tables(struct cmd_tbl *cmdtp, int flag,
+ int argc, char *const argv[])
{
efi_uintn_t i;
const char *guid_str;
*
* efidebug boot add <id> <label> <interface> <devnum>[:<part>] <file> <options>
*/
-static int do_efi_boot_add(cmd_tbl_t *cmdtp, int flag,
- int argc, char * const argv[])
+static int do_efi_boot_add(struct cmd_tbl *cmdtp, int flag,
+ int argc, char *const argv[])
{
int id;
char *endp;
+ sizeof(struct efi_device_path); /* for END */
/* optional data */
- if (argc < 6)
+ if (argc == 6)
lo.optional_data = NULL;
else
lo.optional_data = (const u8 *)argv[6];
goto out;
}
- ret = EFI_CALL(RT->set_variable(var_name16, &guid,
+ ret = EFI_CALL(efi_set_variable(var_name16, &guid,
EFI_VARIABLE_NON_VOLATILE |
EFI_VARIABLE_BOOTSERVICE_ACCESS |
EFI_VARIABLE_RUNTIME_ACCESS,
*
* efidebug boot rm <id> ...
*/
-static int do_efi_boot_rm(cmd_tbl_t *cmdtp, int flag,
- int argc, char * const argv[])
+static int do_efi_boot_rm(struct cmd_tbl *cmdtp, int flag,
+ int argc, char *const argv[])
{
efi_guid_t guid;
int id, i;
char *endp;
char var_name[9];
- u16 var_name16[9];
+ u16 var_name16[9], *p;
efi_status_t ret;
if (argc == 1)
return CMD_RET_FAILURE;
sprintf(var_name, "Boot%04X", id);
- utf8_utf16_strncpy((u16 **)&var_name16, var_name, 9);
+ p = var_name16;
+ utf8_utf16_strncpy(&p, var_name, 9);
- ret = EFI_CALL(RT->set_variable(var_name16, &guid, 0, 0, NULL));
+ ret = EFI_CALL(efi_set_variable(var_name16, &guid, 0, 0, NULL));
if (ret) {
- printf("Cannot remove Boot%04X", id);
+ printf("Cannot remove %ls\n", var_name16);
return CMD_RET_FAILURE;
}
}
/**
* show_efi_boot_opt_data() - dump UEFI load option
*
- * @id: load option number
+ * @varname16: variable name
* @data: value of UEFI load option variable
* @size: size of the boot option
*
* Decode the value of UEFI load option variable and print information.
*/
-static void show_efi_boot_opt_data(int id, void *data, size_t size)
+static void show_efi_boot_opt_data(u16 *varname16, void *data, size_t size)
{
struct efi_load_option lo;
char *label, *p;
p = label;
utf16_utf8_strncpy(&p, lo.label, label_len16);
- printf("Boot%04X:\n", id);
- printf(" attributes: %c%c%c (0x%08x)\n",
+ printf("%ls:\nattributes: %c%c%c (0x%08x)\n",
+ varname16,
/* ACTIVE */
lo.attributes & LOAD_OPTION_ACTIVE ? 'A' : '-',
/* FORCE RECONNECT */
/**
* show_efi_boot_opt() - dump UEFI load option
*
- * @id: Load option number
+ * @varname16: variable name
*
* Dump information defined by UEFI load option.
*/
-static void show_efi_boot_opt(int id)
+static void show_efi_boot_opt(u16 *varname16)
{
- char var_name[9];
- u16 var_name16[9], *p;
- efi_guid_t guid;
- void *data = NULL;
+ void *data;
efi_uintn_t size;
efi_status_t ret;
- sprintf(var_name, "Boot%04X", id);
- p = var_name16;
- utf8_utf16_strncpy(&p, var_name, 9);
- guid = efi_global_variable_guid;
-
size = 0;
- ret = EFI_CALL(RT->get_variable(var_name16, &guid, NULL, &size, NULL));
+ ret = EFI_CALL(efi_get_variable(varname16, &efi_global_variable_guid,
+ NULL, &size, NULL));
if (ret == EFI_BUFFER_TOO_SMALL) {
data = malloc(size);
- ret = EFI_CALL(RT->get_variable(var_name16, &guid, NULL, &size,
- data));
+ if (!data) {
+ printf("ERROR: Out of memory\n");
+ return;
+ }
+ ret = EFI_CALL(efi_get_variable(varname16,
+ &efi_global_variable_guid,
+ NULL, &size, data));
+ if (ret == EFI_SUCCESS)
+ show_efi_boot_opt_data(varname16, data, size);
+ free(data);
}
- if (ret == EFI_SUCCESS)
- show_efi_boot_opt_data(id, data, size);
- else if (ret == EFI_NOT_FOUND)
- printf("Boot%04X: not found\n", id);
-
- free(data);
}
static int u16_tohex(u16 c)
*
* efidebug boot dump
*/
-static int do_efi_boot_dump(cmd_tbl_t *cmdtp, int flag,
- int argc, char * const argv[])
+static int do_efi_boot_dump(struct cmd_tbl *cmdtp, int flag,
+ int argc, char *const argv[])
{
u16 *var_name16, *p;
efi_uintn_t buf_size, size;
id = (id << 4) + digit;
}
if (i == 4 && !var_name16[8])
- show_efi_boot_opt(id);
+ show_efi_boot_opt(var_name16);
}
free(var_name16);
*/
static int show_efi_boot_order(void)
{
- efi_guid_t guid;
- u16 *bootorder = NULL;
+ u16 *bootorder;
efi_uintn_t size;
int num, i;
char var_name[9];
size_t label_len16, label_len;
efi_status_t ret;
- guid = efi_global_variable_guid;
size = 0;
- ret = EFI_CALL(RT->get_variable(L"BootOrder", &guid, NULL, &size,
- NULL));
- if (ret == EFI_BUFFER_TOO_SMALL) {
- bootorder = malloc(size);
- ret = EFI_CALL(RT->get_variable(L"BootOrder", &guid, NULL,
- &size, bootorder));
+ ret = EFI_CALL(efi_get_variable(L"BootOrder", &efi_global_variable_guid,
+ NULL, &size, NULL));
+ if (ret != EFI_BUFFER_TOO_SMALL) {
+ if (ret == EFI_NOT_FOUND) {
+ printf("BootOrder not defined\n");
+ return CMD_RET_SUCCESS;
+ } else {
+ return CMD_RET_FAILURE;
+ }
}
- if (ret == EFI_NOT_FOUND) {
- printf("BootOrder not defined\n");
- ret = CMD_RET_SUCCESS;
- goto out;
- } else if (ret != EFI_SUCCESS) {
+ bootorder = malloc(size);
+ if (!bootorder) {
+ printf("ERROR: Out of memory\n");
+ return CMD_RET_FAILURE;
+ }
+ ret = EFI_CALL(efi_get_variable(L"BootOrder", &efi_global_variable_guid,
+ NULL, &size, bootorder));
+ if (ret != EFI_SUCCESS) {
ret = CMD_RET_FAILURE;
goto out;
}
utf8_utf16_strncpy(&p16, var_name, 9);
size = 0;
- ret = EFI_CALL(RT->get_variable(var_name16, &guid, NULL, &size,
- NULL));
+ ret = EFI_CALL(efi_get_variable(var_name16,
+ &efi_global_variable_guid, NULL,
+ &size, NULL));
if (ret != EFI_BUFFER_TOO_SMALL) {
- printf("%2d: Boot%04X: (not defined)\n",
- i + 1, bootorder[i]);
+ printf("%2d: %s: (not defined)\n", i + 1, var_name);
continue;
}
ret = CMD_RET_FAILURE;
goto out;
}
- ret = EFI_CALL(RT->get_variable(var_name16, &guid, NULL, &size,
- data));
+ ret = EFI_CALL(efi_get_variable(var_name16,
+ &efi_global_variable_guid, NULL,
+ &size, data));
if (ret != EFI_SUCCESS) {
free(data);
ret = CMD_RET_FAILURE;
}
p = label;
utf16_utf8_strncpy(&p, lo.label, label_len16);
- printf("%2d: Boot%04X: %s\n", i + 1, bootorder[i], label);
+ printf("%2d: %s: %s\n", i + 1, var_name, label);
free(label);
free(data);
*
* efidebug boot next <id>
*/
-static int do_efi_boot_next(cmd_tbl_t *cmdtp, int flag,
- int argc, char * const argv[])
+static int do_efi_boot_next(struct cmd_tbl *cmdtp, int flag,
+ int argc, char *const argv[])
{
u16 bootnext;
efi_uintn_t size;
return CMD_RET_USAGE;
bootnext = (u16)simple_strtoul(argv[1], &endp, 16);
- if (*endp != '\0' || bootnext > 0xffff) {
+ if (*endp) {
printf("invalid value: %s\n", argv[1]);
r = CMD_RET_FAILURE;
goto out;
guid = efi_global_variable_guid;
size = sizeof(u16);
- ret = EFI_CALL(RT->set_variable(L"BootNext", &guid,
+ ret = EFI_CALL(efi_set_variable(L"BootNext", &guid,
EFI_VARIABLE_NON_VOLATILE |
EFI_VARIABLE_BOOTSERVICE_ACCESS |
EFI_VARIABLE_RUNTIME_ACCESS,
*
* efidebug boot order [<id> ...]
*/
-static int do_efi_boot_order(cmd_tbl_t *cmdtp, int flag,
- int argc, char * const argv[])
+static int do_efi_boot_order(struct cmd_tbl *cmdtp, int flag,
+ int argc, char *const argv[])
{
u16 *bootorder = NULL;
efi_uintn_t size;
}
guid = efi_global_variable_guid;
- ret = EFI_CALL(RT->set_variable(L"BootOrder", &guid,
+ ret = EFI_CALL(efi_set_variable(L"BootOrder", &guid,
EFI_VARIABLE_NON_VOLATILE |
EFI_VARIABLE_BOOTSERVICE_ACCESS |
EFI_VARIABLE_RUNTIME_ACCESS,
return r;
}
-static cmd_tbl_t cmd_efidebug_boot_sub[] = {
+static struct cmd_tbl cmd_efidebug_boot_sub[] = {
U_BOOT_CMD_MKENT(add, CONFIG_SYS_MAXARGS, 1, do_efi_boot_add, "", ""),
U_BOOT_CMD_MKENT(rm, CONFIG_SYS_MAXARGS, 1, do_efi_boot_rm, "", ""),
U_BOOT_CMD_MKENT(dump, CONFIG_SYS_MAXARGS, 1, do_efi_boot_dump, "", ""),
*
* Implement efidebug "boot" sub-command.
*/
-static int do_efi_boot_opt(cmd_tbl_t *cmdtp, int flag,
- int argc, char * const argv[])
+static int do_efi_boot_opt(struct cmd_tbl *cmdtp, int flag,
+ int argc, char *const argv[])
{
- cmd_tbl_t *cp;
+ struct cmd_tbl *cp;
if (argc < 2)
return CMD_RET_USAGE;
return cp->cmd(cmdtp, flag, argc, argv);
}
-static cmd_tbl_t cmd_efidebug_sub[] = {
+/**
+ * do_efi_test_bootmgr() - run simple bootmgr for test
+ *
+ * @cmdtp: Command table
+ * @flag: Command flag
+ * @argc: Number of arguments
+ * @argv: Argument array
+ * Return: CMD_RET_SUCCESS on success,
+ * CMD_RET_USAGE or CMD_RET_RET_FAILURE on failure
+ *
+ * Implement efidebug "test bootmgr" sub-command.
+ * Run simple bootmgr for test.
+ *
+ * efidebug test bootmgr
+ */
+static int do_efi_test_bootmgr(struct cmd_tbl *cmdtp, int flag,
+ int argc, char * const argv[])
+{
+ efi_handle_t image;
+ efi_uintn_t exit_data_size = 0;
+ u16 *exit_data = NULL;
+ efi_status_t ret;
+
+ ret = efi_bootmgr_load(&image);
+ printf("efi_bootmgr_load() returned: %ld\n", ret & ~EFI_ERROR_MASK);
+
+ /* We call efi_start_image() even if error for test purpose. */
+ ret = EFI_CALL(efi_start_image(image, &exit_data_size, &exit_data));
+ printf("efi_start_image() returned: %ld\n", ret & ~EFI_ERROR_MASK);
+ if (ret && exit_data)
+ efi_free_pool(exit_data);
+
+ efi_restore_gd();
+
+ return CMD_RET_SUCCESS;
+}
+
+static struct cmd_tbl cmd_efidebug_test_sub[] = {
+ U_BOOT_CMD_MKENT(bootmgr, CONFIG_SYS_MAXARGS, 1, do_efi_test_bootmgr,
+ "", ""),
+};
+
+/**
+ * do_efi_test() - manage UEFI load options
+ *
+ * @cmdtp: Command table
+ * @flag: Command flag
+ * @argc: Number of arguments
+ * @argv: Argument array
+ * Return: CMD_RET_SUCCESS on success,
+ * CMD_RET_USAGE or CMD_RET_RET_FAILURE on failure
+ *
+ * Implement efidebug "test" sub-command.
+ */
+static int do_efi_test(struct cmd_tbl *cmdtp, int flag,
+ int argc, char * const argv[])
+{
+ struct cmd_tbl *cp;
+
+ if (argc < 2)
+ return CMD_RET_USAGE;
+
+ argc--; argv++;
+
+ cp = find_cmd_tbl(argv[0], cmd_efidebug_test_sub,
+ ARRAY_SIZE(cmd_efidebug_test_sub));
+ if (!cp)
+ return CMD_RET_USAGE;
+
+ return cp->cmd(cmdtp, flag, argc, argv);
+}
+
+/**
+ * do_efi_query_info() - QueryVariableInfo EFI service
+ *
+ * @cmdtp: Command table
+ * @flag: Command flag
+ * @argc: Number of arguments
+ * @argv: Argument array
+ * Return: CMD_RET_SUCCESS on success,
+ * CMD_RET_USAGE or CMD_RET_FAILURE on failure
+ *
+ * Implement efidebug "test" sub-command.
+ */
+
+static int do_efi_query_info(struct cmd_tbl *cmdtp, int flag,
+ int argc, char * const argv[])
+{
+ efi_status_t ret;
+ u32 attr = 0;
+ u64 max_variable_storage_size;
+ u64 remain_variable_storage_size;
+ u64 max_variable_size;
+ int i;
+
+ for (i = 1; i < argc; i++) {
+ if (!strcmp(argv[i], "-bs"))
+ attr |= EFI_VARIABLE_BOOTSERVICE_ACCESS;
+ else if (!strcmp(argv[i], "-rt"))
+ attr |= EFI_VARIABLE_RUNTIME_ACCESS;
+ else if (!strcmp(argv[i], "-nv"))
+ attr |= EFI_VARIABLE_NON_VOLATILE;
+ else if (!strcmp(argv[i], "-at"))
+ attr |=
+ EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;
+ }
+
+ ret = EFI_CALL(efi_query_variable_info(attr,
+ &max_variable_storage_size,
+ &remain_variable_storage_size,
+ &max_variable_size));
+ if (ret != EFI_SUCCESS) {
+ printf("Error: Cannot query UEFI variables, r = %lu\n",
+ ret & ~EFI_ERROR_MASK);
+ return CMD_RET_FAILURE;
+ }
+
+ printf("Max storage size %llu\n", max_variable_storage_size);
+ printf("Remaining storage size %llu\n", remain_variable_storage_size);
+ printf("Max variable size %llu\n", max_variable_size);
+
+ return CMD_RET_SUCCESS;
+}
+
+static struct cmd_tbl cmd_efidebug_sub[] = {
U_BOOT_CMD_MKENT(boot, CONFIG_SYS_MAXARGS, 1, do_efi_boot_opt, "", ""),
U_BOOT_CMD_MKENT(devices, CONFIG_SYS_MAXARGS, 1, do_efi_show_devices,
"", ""),
"", ""),
U_BOOT_CMD_MKENT(tables, CONFIG_SYS_MAXARGS, 1, do_efi_show_tables,
"", ""),
+ U_BOOT_CMD_MKENT(test, CONFIG_SYS_MAXARGS, 1, do_efi_test,
+ "", ""),
+ U_BOOT_CMD_MKENT(query, CONFIG_SYS_MAXARGS, 1, do_efi_query_info,
+ "", ""),
};
/**
* Implement efidebug command which allows us to display and
* configure UEFI environment.
*/
-static int do_efidebug(cmd_tbl_t *cmdtp, int flag,
- int argc, char * const argv[])
+static int do_efidebug(struct cmd_tbl *cmdtp, int flag,
+ int argc, char *const argv[])
{
- cmd_tbl_t *cp;
+ struct cmd_tbl *cp;
efi_status_t r;
if (argc < 2)
"efidebug memmap\n"
" - show UEFI memory map\n"
"efidebug tables\n"
- " - show UEFI configuration tables\n";
+ " - show UEFI configuration tables\n"
+ "efidebug test bootmgr\n"
+ " - run simple bootmgr for test\n"
+ "efidebug query [-nv][-bs][-rt][-at]\n"
+ " - show size of UEFI variables store\n";
#endif
U_BOOT_CMD(