#include <efi_loader.h>
#include <exports.h>
#include <hexdump.h>
+#include <log.h>
#include <malloc.h>
#include <mapmem.h>
#include <search.h>
* 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;
* 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;
* 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;
* 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_MEMORY_NV, "NV"},
{EFI_MEMORY_MORE_RELIABLE, "REL"},
{EFI_MEMORY_RO, "RO"},
+ {EFI_MEMORY_SP, "SP"},
{EFI_MEMORY_RUNTIME, "RT"},
};
* 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;
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 < ARRAY_SIZE(efi_mem_type_string))
type = efi_mem_type_string[map->type];
* 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];
*
* 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;
*
* Decode the value of UEFI load option variable and print information.
*/
-static void show_efi_boot_opt_data(u16 *varname16, 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;
size_t label_len16, label_len;
u16 *dp_str;
+ efi_status_t ret;
- efi_deserialize_load_option(&lo, data);
+ ret = efi_deserialize_load_option(&lo, data, size);
+ if (ret != EFI_SUCCESS) {
+ printf("%ls: invalid load option\n", varname16);
+ return;
+ }
label_len16 = u16_strlen(lo.label);
label_len = utf16_utf8_strnlen(lo.label, label_len16);
printf(" data:\n");
print_hex_dump(" ", DUMP_PREFIX_OFFSET, 16, 1,
- lo.optional_data, size + (u8 *)data -
- (u8 *)lo.optional_data, true);
+ lo.optional_data, *size, true);
free(label);
}
&efi_global_variable_guid,
NULL, &size, data));
if (ret == EFI_SUCCESS)
- show_efi_boot_opt_data(varname16, data, size);
+ show_efi_boot_opt_data(varname16, data, &size);
free(data);
}
}
*
* 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;
goto out;
}
- efi_deserialize_load_option(&lo, data);
+ ret = efi_deserialize_load_option(&lo, data, &size);
+ if (ret != EFI_SUCCESS) {
+ printf("%ls: invalid load option\n", var_name16);
+ ret = CMD_RET_FAILURE;
+ goto out;
+ }
label_len16 = u16_strlen(lo.label);
label_len = utf16_utf8_strnlen(lo.label, label_len16);
*
* 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;
*
* 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;
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;
*
* efidebug test bootmgr
*/
-static int do_efi_test_bootmgr(cmd_tbl_t *cmdtp, int flag,
+static int do_efi_test_bootmgr(struct cmd_tbl *cmdtp, int flag,
int argc, char * const argv[])
{
efi_handle_t image;
return CMD_RET_SUCCESS;
}
-static cmd_tbl_t cmd_efidebug_test_sub[] = {
+static struct cmd_tbl cmd_efidebug_test_sub[] = {
U_BOOT_CMD_MKENT(bootmgr, CONFIG_SYS_MAXARGS, 1, do_efi_test_bootmgr,
"", ""),
};
*
* Implement efidebug "test" sub-command.
*/
-static int do_efi_test(cmd_tbl_t *cmdtp, int flag,
+static int do_efi_test(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_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(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 tables\n"
" - show UEFI configuration tables\n"
"efidebug test bootmgr\n"
- " - run simple bootmgr for test\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(
projects / oweals / u-boot.git / blobdiff