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| author | Sami Mujawar <sami.mujawar@arm.com> | 2020-08-05 16:36:56 +0100 |
|---|---|---|
| committer | mergify[bot] <37929162+mergify[bot]@users.noreply.github.com> | 2020-08-13 18:00:06 +0000 |
| commit | f2bd39fb606f0c3e5a8f7998fa215ba4d6e25687 (patch) | |
| tree | 4dc2574210e6a3707d9b52a724be847af3552d73 /DynamicTablesPkg | |
| parent | 095db69d4c156eb4f81307d471339a60ca0a9a09 (diff) | |
| download | edk2-f2bd39fb606f0c3e5a8f7998fa215ba4d6e25687.tar.gz edk2-f2bd39fb606f0c3e5a8f7998fa215ba4d6e25687.tar.bz2 edk2-f2bd39fb606f0c3e5a8f7998fa215ba4d6e25687.zip | |
DynamicTablesPkg: Add AsciiFromHex helper function
AsciiFromHex is a function converts a hex number to an
ASCII character. This function is used across multiple
generators, so add it to the TableHelperLib.
Signed-off-by: Pierre Gondois <pierre.gondois@arm.com>
Signed-off-by: Sami Mujawar <sami.mujawar@arm.com>
Reviewed-by: Alexei Fedorov <Alexei.Fedorov@arm.com>
Diffstat (limited to 'DynamicTablesPkg')
| -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;
+}
|