diff options
Diffstat (limited to 'src/sbefw/app/power/sbecmdcntlinst.C')
| -rw-r--r-- | src/sbefw/app/power/sbecmdcntlinst.C | 75 |
1 files changed, 74 insertions, 1 deletions
diff --git a/src/sbefw/app/power/sbecmdcntlinst.C b/src/sbefw/app/power/sbecmdcntlinst.C index e918365e..f5113cfc 100644 --- a/src/sbefw/app/power/sbecmdcntlinst.C +++ b/src/sbefw/app/power/sbecmdcntlinst.C @@ -5,7 +5,7 @@ /* */ /* OpenPOWER sbe Project */ /* */ -/* Contributors Listed Below - COPYRIGHT 2016,2018 */ +/* Contributors Listed Below - COPYRIGHT 2016,2019 */ /* [+] International Business Machines Corp. */ /* */ /* */ @@ -30,6 +30,7 @@ */ #include "sbecmdcntlinst.H" +#include "sbecmdiplcontrol.H" #include "sbefifo.H" #include "sbe_sp_intf.H" #include "sbetrace.H" @@ -37,9 +38,14 @@ #include "fapi2.H" #include "p9_thread_control.H" +#include "p9_query_core_access_state.H" + using namespace fapi2; +//Utility function to mask special attention +extern ReturnCode maskSpecialAttn( const Target<TARGET_TYPE_CORE>& i_target); + // TODO via RTC 152424 // Currently all proecdures in core directory are in seeprom. // So we have to use function pointer to force a long call. @@ -161,6 +167,73 @@ static uint32_t specialWakeUpCoreDeAssert( } /////////////////////////////////////////////////////////////////////// +// @brief stopAllCoreInstructions Stop all core instructions function +// +// @return RC from the underlying FIFO utility +/////////////////////////////////////////////////////////////////////// +ReturnCode stopAllCoreInstructions( ) +{ + #define SBE_FUNC "stopAllCoreInstructions" + SBE_ENTER(SBE_FUNC); + ReturnCode l_fapiRc = FAPI2_RC_SUCCESS; + Target<TARGET_TYPE_PROC_CHIP > l_procTgt = plat_getChipTarget(); + for (auto l_coreTgt : l_procTgt.getChildren<fapi2::TARGET_TYPE_CORE>()) + { + bool l_isCoreScomEnabled = false; + if(SBE::isSimicsRunning()) + { + l_isCoreScomEnabled = true; + } + else + { + bool l_isScanEnable = false; + SBE_EXEC_HWP(l_fapiRc, p9_query_core_access_state, l_coreTgt, + l_isCoreScomEnabled, l_isScanEnable) + if(l_fapiRc != FAPI2_RC_SUCCESS) + { + SBE_ERROR(SBE_FUNC " p9_query_core_access_state failed, " + "RC=[0x%08X]", l_fapiRc); + break; + } + } + if(l_isCoreScomEnabled) //true + { + uint8_t l_thread = SMT4_THREAD0; + fapi2::buffer<uint64_t> l_data64; + uint64_t l_state; + bool l_warnCheck = true; + do + { + // Call instruction control stop + // TODO RTC 164425 - Can we pass in 1111 i.e. all threads at the + // same time instead of individual threads + SBE_EXEC_HWP(l_fapiRc, + threadCntlhwp, + l_coreTgt, + (SINGLE_THREAD_BIT_MASK >> l_thread), + PTC_CMD_STOP, l_warnCheck,l_data64, l_state) + if(l_fapiRc != FAPI2_RC_SUCCESS) + { + SBE_ERROR(SBE_FUNC "p9_thread_control stop Failed for " + "Core Thread RC[0x%08X]", l_fapiRc); + break; + } + }while(++l_thread < SMT4_THREAD_MAX); + + l_fapiRc = maskSpecialAttn(l_coreTgt); + if( l_fapiRc != FAPI2_RC_SUCCESS) + { + SBE_ERROR(SBE_FUNC "maskSpecialAttn failed"); + break; + } + } + } + SBE_EXIT(SBE_FUNC); + return l_fapiRc; + #undef SBE_FUNC +} + +/////////////////////////////////////////////////////////////////////// // @brief sbeCntlInst Sbe control instructions function // // @return RC from the underlying FIFO utility |
