imx8m: config: convert to bootm_size
[platform/kernel/u-boot.git] / cmd / nvedit_efi.c
index 3f61d5d..8e31f43 100644 (file)
@@ -52,8 +52,7 @@ static const struct {
        {EFI_CERT_TYPE_PKCS7_GUID, "EFI_CERT_TYPE_PKCS7_GUID"},
 };
 
-/* "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx" */
-static char unknown_guid[37];
+static const char unknown_guid[] = "";
 
 /**
  * efi_guid_to_str() - convert guid to readable name
@@ -71,9 +70,6 @@ static const char *efi_guid_to_str(const efi_guid_t *guid)
                if (!guidcmp(guid, &efi_guid_text[i].guid))
                        return efi_guid_text[i].text;
 
-       uuid_bin_to_str((unsigned char *)guid->b, unknown_guid,
-                       UUID_STR_FORMAT_GUID);
-
        return unknown_guid;
 }
 
@@ -115,7 +111,7 @@ static void efi_dump_single_var(u16 *name, const efi_guid_t *guid, bool verbose)
                goto out;
 
        rtc_to_tm(time, &tm);
-       printf("%ls:\n    %s:\n", name, efi_guid_to_str(guid));
+       printf("%ls:\n    %pUl %s\n", name, guid, efi_guid_to_str(guid));
        if (attributes & EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS)
                printf("    %04d-%02d-%02d %02d:%02d:%02d\n", tm.tm_year,
                       tm.tm_mon, tm.tm_mday, tm.tm_hour, tm.tm_min, tm.tm_sec);
@@ -136,50 +132,6 @@ out:
        free(data);
 }
 
-/**
- * efi_dump_vars() - show information about named UEFI variables
- *
- * @argc:      Number of arguments (variables)
- * @argv:      Argument (variable name) array
- * @verbose:   if true, dump data
- * Return:     CMD_RET_SUCCESS on success, or CMD_RET_RET_FAILURE
- *
- * Show information encoded in named UEFI variables
- */
-static int efi_dump_vars(int argc,  char *const argv[],
-                        const efi_guid_t *guid, bool verbose)
-{
-       u16 *var_name16, *p;
-       efi_uintn_t buf_size, size;
-
-       buf_size = 128;
-       var_name16 = malloc(buf_size);
-       if (!var_name16)
-               return CMD_RET_FAILURE;
-
-       for (; argc > 0; argc--, argv++) {
-               size = (utf8_utf16_strlen(argv[0]) + 1) * sizeof(u16);
-               if (buf_size < size) {
-                       buf_size = size;
-                       p = realloc(var_name16, buf_size);
-                       if (!p) {
-                               free(var_name16);
-                               return CMD_RET_FAILURE;
-                       }
-                       var_name16 = p;
-               }
-
-               p = var_name16;
-               utf8_utf16_strcpy(&p, argv[0]);
-
-               efi_dump_single_var(var_name16, guid, verbose);
-       }
-
-       free(var_name16);
-
-       return CMD_RET_SUCCESS;
-}
-
 static bool match_name(int argc, char *const argv[], u16 *var_name16)
 {
        char *buf, *p;
@@ -225,10 +177,7 @@ static int efi_dump_var_all(int argc,  char *const argv[],
        efi_uintn_t buf_size, size;
        efi_guid_t guid;
        efi_status_t ret;
-
-       if (argc && guid_p)
-               /* simplified case */
-               return efi_dump_vars(argc, argv, guid_p, verbose);
+       bool match = false;
 
        buf_size = 128;
        var_name16 = malloc(buf_size);
@@ -259,13 +208,18 @@ static int efi_dump_var_all(int argc,  char *const argv[],
                        return CMD_RET_FAILURE;
                }
 
-               if ((!guid_p || !guidcmp(guid_p, &guid)) &&
-                   (!argc || match_name(argc, argv, var_name16)))
+               if (guid_p && guidcmp(guid_p, &guid))
+                       continue;
+               if (!argc || match_name(argc, argv, var_name16)) {
+                       match = true;
                        efi_dump_single_var(var_name16, &guid, verbose);
+               }
        }
-
        free(var_name16);
 
+       if (!match && argc == 1)
+               printf("Error: \"%s\" not defined\n", argv[0]);
+
        return CMD_RET_SUCCESS;
 }
 
@@ -286,9 +240,8 @@ static int efi_dump_var_all(int argc,  char *const argv[],
 int do_env_print_efi(struct cmd_tbl *cmdtp, int flag, int argc,
                     char *const argv[])
 {
-       efi_guid_t guid;
-       const efi_guid_t *guid_p;
-       bool default_guid, guid_any, verbose;
+       const efi_guid_t *guid_p = NULL;
+       bool verbose = true;
        efi_status_t ret;
 
        /* Initialize EFI drivers */
@@ -299,31 +252,18 @@ int do_env_print_efi(struct cmd_tbl *cmdtp, int flag, int argc,
                return CMD_RET_FAILURE;
        }
 
-       default_guid = true;
-       guid_any = false;
-       verbose = true;
        for (argc--, argv++; argc > 0 && argv[0][0] == '-'; argc--, argv++) {
                if (!strcmp(argv[0], "-guid")) {
-                       if (argc == 1)
-                               return CMD_RET_USAGE;
+                       efi_guid_t guid;
 
-                       /* -a already specified */
-                       if (!default_guid && guid_any)
+                       if (argc == 1)
                                return CMD_RET_USAGE;
-
                        argc--;
                        argv++;
                        if (uuid_str_to_bin(argv[0], guid.b,
                                            UUID_STR_FORMAT_GUID))
                                return CMD_RET_USAGE;
-                       default_guid = false;
-               } else if (!strcmp(argv[0], "-all")) {
-                       /* -guid already specified */
-                       if (!default_guid && !guid_any)
-                               return CMD_RET_USAGE;
-
-                       guid_any = true;
-                       default_guid = false;
+                       guid_p = (const efi_guid_t *)guid.b;
                } else if (!strcmp(argv[0], "-n")) {
                        verbose = false;
                } else {
@@ -331,13 +271,6 @@ int do_env_print_efi(struct cmd_tbl *cmdtp, int flag, int argc,
                }
        }
 
-       if (guid_any)
-               guid_p = NULL;
-       else if (default_guid)
-               guid_p = &efi_global_variable_guid;
-       else
-               guid_p = (const efi_guid_t *)guid.b;
-
        /* enumerate and show all UEFI variables */
        return efi_dump_var_all(argc, argv, guid_p, verbose);
 }
@@ -518,8 +451,7 @@ int do_env_set_efi(struct cmd_tbl *cmdtp, int flag, int argc,
                        argv++;
                        if (uuid_str_to_bin(argv[0], guid.b,
                                            UUID_STR_FORMAT_GUID)) {
-                               printf("## Guid not specified or in XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX format\n");
-                               return CMD_RET_FAILURE;
+                               return CMD_RET_USAGE;
                        }
                        default_guid = false;
                } else if (!strcmp(argv[0], "-bs")) {
@@ -567,8 +499,8 @@ int do_env_set_efi(struct cmd_tbl *cmdtp, int flag, int argc,
        }
 
        if (verbose) {
-               printf("GUID: %s\n", efi_guid_to_str((const efi_guid_t *)
-                                                    &guid));
+               printf("GUID: %pUl %s\n", &guid,
+                      efi_guid_to_str((const efi_guid_t *)&guid));
                printf("Attributes: 0x%x\n", attributes);
        }