diff options
Diffstat (limited to 'src/import/generic/memory')
| -rw-r--r-- | src/import/generic/memory/lib/utils/mss_bad_bits.H | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/import/generic/memory/lib/utils/mss_bad_bits.H b/src/import/generic/memory/lib/utils/mss_bad_bits.H index e6d2cdfa5..b39d84859 100644 --- a/src/import/generic/memory/lib/utils/mss_bad_bits.H +++ b/src/import/generic/memory/lib/utils/mss_bad_bits.H @@ -46,6 +46,17 @@ namespace mss { /// +/// @brief A generic bad bits getter +/// @tparam MC type memory controller type +/// @param[in] i_target the fapi2 target oon which training was conducted +/// @param[out] o_array the bad bits array +/// @return fapi2::ReturnCode FAPI2_RC_SUCCESS iff success, else error code +/// +template <mss::mc_type MC> +fapi2::ReturnCode get_bad_dq_bitmap(const fapi2::Target<fapi2::TARGET_TYPE_DIMM>& i_target, + uint8_t (&o_array)[BAD_BITS_RANKS][BAD_DQ_BYTE_COUNT]); + +/// /// @brief A generic bad bits setter /// @tparam MC type memory controller type /// @param[in] i_target the fapi2 target oon which training was conducted @@ -57,6 +68,23 @@ fapi2::ReturnCode set_bad_dq_bitmap(const fapi2::Target<fapi2::TARGET_TYPE_DIMM> uint8_t (&i_array)[BAD_BITS_RANKS][BAD_DQ_BYTE_COUNT]); /// +/// @brief combine the two bad bits arrays into the io_bad_bits array +/// @param[in] i_new_bad_bits bad bits to append +/// @param[in,out] io_bad_bits will contain the bitwise or of the original io_bad_bits and i_new_bad_bits +/// +inline void combine_bad_bits(const uint8_t (&i_new_bad_bits)[BAD_BITS_RANKS][BAD_DQ_BYTE_COUNT], + uint8_t (&io_bad_bits)[BAD_BITS_RANKS][BAD_DQ_BYTE_COUNT]) +{ + for (uint8_t l_rank = 0; l_rank < BAD_BITS_RANKS; ++ l_rank) + { + for (uint8_t l_bad_dq_byte = 0; l_bad_dq_byte < BAD_DQ_BYTE_COUNT; ++l_bad_dq_byte) + { + io_bad_bits[l_rank][l_bad_dq_byte] |= i_new_bad_bits[l_rank][l_bad_dq_byte]; + } + } +} + +/// /// @brief Records bad bits into the bad bits attribute /// @tparam MC MC type on which training was run /// @tparam T fapi2::TargetType on which training was conducted |
