diff options
Diffstat (limited to 'src/include/usr/pnor/ecc.H')
| -rw-r--r-- | src/include/usr/pnor/ecc.H | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/src/include/usr/pnor/ecc.H b/src/include/usr/pnor/ecc.H index 3f4b7cef6..80c993c96 100644 --- a/src/include/usr/pnor/ecc.H +++ b/src/include/usr/pnor/ecc.H @@ -5,7 +5,9 @@ /* */ /* OpenPOWER HostBoot Project */ /* */ -/* COPYRIGHT International Business Machines Corp. 2013,2014 */ +/* Contributors Listed Below - COPYRIGHT 2013,2017 */ +/* [+] International Business Machines Corp. */ +/* */ /* */ /* Licensed under the Apache License, Version 2.0 (the "License"); */ /* you may not use this file except in compliance with the License. */ @@ -25,6 +27,10 @@ #include <stdint.h> +#ifdef __HOSTBOOT_MODULE +#include <assert.h> +#endif + /** @file ecc.H * @brief Interfaces for the P8 8-byte ECC algorithm. */ @@ -78,6 +84,23 @@ namespace ECC eccStatus removeECC(uint8_t* io_src, uint8_t* o_dst, size_t i_dstSz); +#ifdef __HOSTBOOT_MODULE + /** Given the size of Data, return the size of Data+ECC + * + * @param[in] i_sizeWithoutEcc Size in bytes of data without ECC + * + * @note i_sizeWithoutEcc must be a multiple of 8 bytes or will assert + * + * @return size of data with ECC + */ + inline size_t sizeWithEcc(const size_t i_sizeWithoutEcc) + { + bool noRemainder = (i_sizeWithoutEcc % 8) == 0 ? true : false; + assert (noRemainder, "PNOR::ECC::sizeWithEcc: input needs to be multiple of 8 bytes"); + return (i_sizeWithoutEcc * 9) / 8; + } +#endif + } } |
