diff options
| -rw-r--r-- | DynamicTablesPkg/Include/Library/TableHelperLib.h | 15 | ||||
| -rw-r--r-- | DynamicTablesPkg/Library/Common/TableHelperLib/TableHelper.c | 30 |
2 files changed, 42 insertions, 3 deletions
diff --git a/DynamicTablesPkg/Include/Library/TableHelperLib.h b/DynamicTablesPkg/Include/Library/TableHelperLib.h index e4a8dfa046..099a0a4544 100644 --- a/DynamicTablesPkg/Include/Library/TableHelperLib.h +++ b/DynamicTablesPkg/Include/Library/TableHelperLib.h @@ -1,6 +1,6 @@ /** @file
- Copyright (c) 2017 - 2019, ARM Limited. All rights reserved.
+ Copyright (c) 2017 - 2020, Arm Limited. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
@@ -107,4 +107,17 @@ FindDuplicateValue ( IN PFN_IS_EQUAL EqualTestFunction
);
+/** Convert a hex number to its ASCII code.
+
+ @param [in] x Hex number to convert.
+ Must be 0 <= x < 16.
+
+ @return The ASCII code corresponding to x.
+**/
+UINT8
+EFIAPI
+AsciiFromHex (
+ IN UINT8 x
+ );
+
#endif // TABLE_HELPER_LIB_H_
diff --git a/DynamicTablesPkg/Library/Common/TableHelperLib/TableHelper.c b/DynamicTablesPkg/Library/Common/TableHelperLib/TableHelper.c index fc6cf3b088..0d9daad3b0 100644 --- a/DynamicTablesPkg/Library/Common/TableHelperLib/TableHelper.c +++ b/DynamicTablesPkg/Library/Common/TableHelperLib/TableHelper.c @@ -1,8 +1,9 @@ /** @file
Table Helper
-Copyright (c) 2017 - 2019, ARM Limited. All rights reserved.
-SPDX-License-Identifier: BSD-2-Clause-Patent
+ Copyright (c) 2017 - 2020, Arm Limited. All rights reserved.<BR>
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include <Protocol/AcpiTable.h>
@@ -244,3 +245,28 @@ FindDuplicateValue ( }
return FALSE;
}
+
+/** Convert a hex number to its ASCII code.
+
+ @param [in] x Hex number to convert.
+ Must be 0 <= x < 16.
+
+ @return The ASCII code corresponding to x.
+**/
+UINT8
+EFIAPI
+AsciiFromHex (
+ IN UINT8 x
+ )
+{
+ if (x < 10) {
+ return (UINT8)(x + '0');
+ }
+
+ if (x < 16) {
+ return (UINT8)(x - 10 + 'A');
+ }
+
+ ASSERT (FALSE);
+ return (UINT8)0;
+}
|