xref: /openbmc/libcper/common-utils.c (revision 3ab351fe)
1 /**
2  * Describes common utility functions shared between CPER projects within this repository.
3  * No functions here depend on json-c or b64.c.
4  *
5  * Author: Lawrence.Tang@arm.com
6  **/
7 
8 #include "edk/BaseTypes.h"
9 #include "common-utils.h"
10 
11 //Converts the given BCD byte to a standard integer.
12 int bcd_to_int(UINT8 bcd)
13 {
14     return ((bcd & 0xF0) >> 4) * 10 + (bcd & 0x0F);
15 }
16 
17 //Converts the given integer to a single byte BCD.
18 UINT8 int_to_bcd(int value)
19 {
20     UINT8 result = 0;
21     int shift = 0;
22     while (value > 0) {
23         result |= (value % 10) << (shift++ << 2);
24         value /= 10;
25     }
26 
27     return result;
28 }