Add SPDX license identifiers to source files under the LGPL

[thirdparty/systemd.git] / src / boot / efi / util.c

diff --git a/src/boot/efi/util.c b/src/boot/efi/util.c
index 5678b50c3100f79deaae506f56d6146c2fc8ffd6..b165f31005f7acc0ce23453c2af6ac11ac05c2f7 100644 (file)
--- a/src/boot/efi/util.c
+++ b/src/boot/efi/util.c
@@ -1,5 +1,4 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
+/* SPDX-License-Identifier: LGPL-2.1+ */
 /*
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of the GNU Lesser General Public License as published by
@@ -33,12 +32,17 @@ UINT64 ticks_read(VOID) {
         __asm__ volatile ("rdtsc" : "=a" (a), "=d" (d));
         return (d << 32) | a;
 }
-#else
+#elif defined(__i386__)
 UINT64 ticks_read(VOID) {
         UINT64 val;
         __asm__ volatile ("rdtsc" : "=A" (val));
         return val;
 }
+#else
+UINT64 ticks_read(VOID) {
+        UINT64 val = 1;
+        return val;
+}
 #endif
 
 /* count TSC ticks during a millisecond delay */
@@ -69,6 +73,26 @@ UINT64 time_usec(VOID) {
         return 1000 * 1000 * ticks / freq;
 }
 
+EFI_STATUS parse_boolean(CHAR8 *v, BOOLEAN *b) {
+        if (strcmpa(v, (CHAR8 *)"1") == 0 ||
+            strcmpa(v, (CHAR8 *)"yes") == 0 ||
+            strcmpa(v, (CHAR8 *)"y") == 0 ||
+            strcmpa(v, (CHAR8 *)"true") == 0) {
+                *b = TRUE;
+                return EFI_SUCCESS;
+        }
+
+        if (strcmpa(v, (CHAR8 *)"0") == 0 ||
+            strcmpa(v, (CHAR8 *)"no") == 0 ||
+            strcmpa(v, (CHAR8 *)"n") == 0 ||
+            strcmpa(v, (CHAR8 *)"false") == 0) {
+                *b = FALSE;
+                return EFI_SUCCESS;
+        }
+
+        return EFI_INVALID_PARAMETER;
+}
+
 EFI_STATUS efivar_set_raw(const EFI_GUID *vendor, CHAR16 *name, CHAR8 *buf, UINTN size, BOOLEAN persistent) {
         UINT32 flags;