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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: chips/p9/procedures/hwp/memory/lib/utils/c_str.C $ */
/* */
/* IBM CONFIDENTIAL */
/* */
/* EKB Project */
/* */
/* COPYRIGHT 2015,2016 */
/* [+] International Business Machines Corp. */
/* */
/* */
/* The source code for this program is not published or otherwise */
/* divested of its trade secrets, irrespective of what has been */
/* deposited with the U.S. Copyright Office. */
/* */
/* IBM_PROLOG_END_TAG */
///
/// @file c_str.C
/// @brief Storage for the C-string name of a thing
///
// *HWP HWP Owner: Brian Silver <bsilver@us.ibm.com>
// *HWP HWP Backup: Andre Marin <aamarin@us.ibm.com>
// *HWP Team: Memory
// *HWP Level: 2
// *HWP Consumed by: HB:FSP
#include <fapi2.H>
#include <lib/mss_attribute_accessors.H>
#include <lib/utils/c_str.H>
using fapi2::TARGET_TYPE_MCBIST;
using fapi2::TARGET_TYPE_MCA;
using fapi2::TARGET_TYPE_MCS;
using fapi2::TARGET_TYPE_DIMM;
using fapi2::FAPI2_RC_SUCCESS;
namespace mss
{
// Thread local storage for the string we're going to create.
//TODO RTC:153924 Remove the else case when issue is resolved
#ifndef PLAT_NO_THREAD_LOCAL_STORAGE
thread_local char c_str_storage[fapi2::MAX_ECMD_STRING_LEN];
#else
char c_str_storage[fapi2::MAX_ECMD_STRING_LEN];
#endif
template<>
const char* c_str( const fapi2::template Target<fapi2::TARGET_TYPE_DIMM>& i_target )
{
constexpr auto l_max_gen = 3;
constexpr auto l_max_type = 4;
static const char* l_map_gen_to_string[l_max_gen] = {"empty", "DDR3", "DDR4"};
static const char* l_map_type_to_string[l_max_type] = {"empty", "RDIMM", "UDIMM", "LRDIMM"};
char l_buffer[fapi2::MAX_ECMD_STRING_LEN];
uint8_t l_type = 0;
uint8_t l_gen = 0;
uint8_t l_value[2][2];
auto l_mca = i_target.getParent<TARGET_TYPE_MCA>();
auto l_mcs = l_mca.getParent<TARGET_TYPE_MCS>();
fapi2::toString( i_target, c_str_storage, fapi2::MAX_ECMD_STRING_LEN );
// Had to unroll FAPI_TRY so that fapi2::current_err doesn't get overwritten, causes errors
// when calling c_str inside of a function that returns fapi2::ReturnCode
if (FAPI_ATTR_GET(fapi2::ATTR_EFF_DIMM_TYPE, l_mcs, l_value) != FAPI2_RC_SUCCESS)
{
goto fapi_try_exit;
}
l_type = l_value[mss::index(l_mca)][mss::index(i_target)];
if (l_type >= l_max_type)
{
goto fapi_try_exit;
}
// Had to unroll FAPI_TRY so that fapi2::current_err doesn't get overwritten, causes errors
// when calling c_str inside of a function that returns fapi2::ReturnCode
if (FAPI_ATTR_GET(fapi2::ATTR_EFF_DRAM_GEN, l_mcs, l_value) != FAPI2_RC_SUCCESS)
{
goto fapi_try_exit;
}
l_gen = l_value[mss::index(l_mca)][mss::index(i_target)];
if (l_gen >= l_max_gen)
{
goto fapi_try_exit;
}
snprintf(l_buffer, fapi2::MAX_ECMD_STRING_LEN, " %s (%s)", l_map_type_to_string[l_type], l_map_gen_to_string[l_gen]);
return strncat( c_str_storage, l_buffer, fapi2::MAX_ECMD_STRING_LEN - strlen(c_str_storage) );
fapi_try_exit:
// Probably the best we're going to do ...
return c_str_storage;
}
}
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