diff options
Diffstat (limited to 'src/usr/hwpf/hwp/core_activate/proc_stop_deadman_timer/proc_sbe_utils.C')
| -rw-r--r-- | src/usr/hwpf/hwp/core_activate/proc_stop_deadman_timer/proc_sbe_utils.C | 237 |
1 files changed, 237 insertions, 0 deletions
diff --git a/src/usr/hwpf/hwp/core_activate/proc_stop_deadman_timer/proc_sbe_utils.C b/src/usr/hwpf/hwp/core_activate/proc_stop_deadman_timer/proc_sbe_utils.C new file mode 100644 index 000000000..8bfebd193 --- /dev/null +++ b/src/usr/hwpf/hwp/core_activate/proc_stop_deadman_timer/proc_sbe_utils.C @@ -0,0 +1,237 @@ +/* IBM_PROLOG_BEGIN_TAG */ +/* This is an automatically generated prolog. */ +/* */ +/* $Source: src/usr/hwpf/hwp/core_activate/proc_stop_deadman_timer/proc_sbe_utils.C $ */ +/* */ +/* OpenPOWER HostBoot Project */ +/* */ +/* Contributors Listed Below - COPYRIGHT 2015 */ +/* [+] 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. */ +/* You may obtain a copy of the License at */ +/* */ +/* http://www.apache.org/licenses/LICENSE-2.0 */ +/* */ +/* Unless required by applicable law or agreed to in writing, software */ +/* distributed under the License is distributed on an "AS IS" BASIS, */ +/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or */ +/* implied. See the License for the specific language governing */ +/* permissions and limitations under the License. */ +/* */ +/* IBM_PROLOG_END_TAG */ +// $Id: proc_sbe_utils.C,v 1.1 2015/07/27 00:39:15 jmcgill Exp $ +// $Source: /afs/awd/projects/eclipz/KnowledgeBase/.cvsroot/eclipz/chips/p8/working/procedures/ipl/fapi/proc_sbe_utils.C,v $ +//------------------------------------------------------------------------------ +// *| +// *! (C) Copyright International Business Machines Corp. 2015 +// *! All Rights Reserved -- Property of IBM +// *! *** *** +// *| +// *! TITLE : proc_sbe_utils.C +// *! DESCRIPTION : SBE utility functions +// *! +// *! OWNER NAME : Joe McGill Email: jmcgill@us.ibm.com +// *! +//------------------------------------------------------------------------------ + + +//------------------------------------------------------------------------------ +// Includes +//------------------------------------------------------------------------------ +#include <proc_sbe_utils.H> +#include <p8_scom_addresses.H> +#include <p8_istep_num.H> +#include <sbe_vital.H> + +//------------------------------------------------------------------------------ +// Constant definitions +//------------------------------------------------------------------------------ +const uint8_t SBE_STOPPED_AT_BREAKPOINT_0xB = 0xB; + + +//------------------------------------------------------------------------------ +// Function definitions +//------------------------------------------------------------------------------ +extern "C" +{ + + +fapi::ReturnCode proc_sbe_utils_reset_sbe( + const fapi::Target & i_target) +{ + ecmdDataBufferBase sbe_reset_data(64); + uint32_t rc_ecmd = 0; + fapi::ReturnCode rc; + + do + { + rc_ecmd |= sbe_reset_data.flushTo0(); + rc_ecmd |= sbe_reset_data.setBit(0); + + if (rc_ecmd) + { + FAPI_ERR("Error (0x%x) setting up ecmdDataBufferBase", rc_ecmd); + rc.setEcmdError(rc_ecmd); + break; + } + rc = fapiPutScom(i_target, PORE_SBE_RESET_0x000E0002, sbe_reset_data); + if (!rc.ok()) + { + FAPI_ERR("Scom error resetting SBE"); + break; + } + } while(0); + + return rc; +} + + +fapi::ReturnCode proc_sbe_utils_update_substep( + const fapi::Target & i_target, + uint8_t i_substep_num) +{ + // data buffer to hold register values + ecmdDataBufferBase sbe_vital_data(64); + + // return codes + uint32_t rc_ecmd = 0; + fapi::ReturnCode rc; + + do + { + // read SBE Vital register + FAPI_DBG("Checking SBE Vital register"); + rc = fapiGetScom(i_target, MBOX_SBEVITAL_0x0005001C, sbe_vital_data); + if (!rc.ok()) + { + FAPI_ERR("Error reading SBE Vital register"); + break; + } + + rc_ecmd |= sbe_vital_data.insertFromRight(&i_substep_num, + SUBSTEP_NUM_BIT_POSITION, + SUBSTEP_NUM_BIT_LENGTH); + if (rc_ecmd) + { + FAPI_ERR("Error (0x%x) setting up ecmdDataBufferBase", rc_ecmd); + rc.setEcmdError(rc_ecmd); + break; + } + rc = fapiPutScom(i_target, MBOX_SBEVITAL_0x0005001C, sbe_vital_data); + if(!rc.ok()) + { + FAPI_ERR("Error updating SBE Vital register"); + break; + } + } while(0); + + return(rc); +} + + + +fapi::ReturnCode proc_sbe_utils_check_status( + const fapi::Target & i_target, + bool & o_running, + uint8_t & o_halt_code, + uint16_t & o_istep_num, + uint8_t & o_substep_num) +{ + // data buffer to hold register values + ecmdDataBufferBase sbe_vital_data(64); + ecmdDataBufferBase sbe_control_data(64); + ecmdDataBufferBase sbe_status_data(64); + + // return codes + uint32_t rc_ecmd = 0; + fapi::ReturnCode rc; + + do + { + // read SBE Control register + FAPI_DBG("Checking SBE Control register"); + rc = fapiGetScom(i_target, PORE_SBE_CONTROL_0x000E0001, sbe_control_data); + if (!rc.ok()) + { + FAPI_ERR("Error reading SBE Control register"); + break; + } + + // Bit 0 : 1=stopped, 0=running (or stopped at breakpoint) + if (sbe_control_data.isBitClear(0)) + { + o_running = true; + + // if running, check for stopped at breakpoint + FAPI_DBG("Checking SBE Status register"); + rc = fapiGetScom(i_target, PORE_SBE_STATUS_0x000E0000, sbe_status_data); + if (!rc.ok()) + { + FAPI_ERR("Error reading SBE Status register"); + break; + } + + uint8_t state = 0; + uint64_t address = sbe_status_data.getDoubleWord(0) & 0x0000FFFFFFFFFFFFULL; + rc_ecmd |= sbe_status_data.extractToRight(&state, 3, 4); + if (rc_ecmd) + { + FAPI_ERR("Error (0x%x) extracting data from SBE Status data buffer", + rc_ecmd); + rc.setEcmdError(rc_ecmd); + break; + } + + if (state == SBE_STOPPED_AT_BREAKPOINT_0xB) + { + FAPI_INF("SBE stopped at breakpoint (address 0x%012llX)", + address); + o_running = false; + break; + } + } + else + { + o_running = false; + } + + // read SBE Vital register + FAPI_DBG("Checking SBE Vital register"); + rc = fapiGetScom(i_target, MBOX_SBEVITAL_0x0005001C, sbe_vital_data); + if (!rc.ok()) + { + FAPI_ERR("Error reading SBE Vital register"); + break; + } + + // parse out halt code & istep progress information + o_halt_code = 0; + o_istep_num = 0; + o_substep_num = 0; + rc_ecmd |= sbe_vital_data.extractToRight(&o_halt_code, + HALT_CODE_BIT_POSITION, + HALT_CODE_BIT_LENGTH); + rc_ecmd |= sbe_vital_data.extractToRight(&o_istep_num, + ISTEP_NUM_BIT_POSITION, + ISTEP_NUM_BIT_LENGTH); + rc_ecmd |= sbe_vital_data.extractToRight(&o_substep_num, + SUBSTEP_NUM_BIT_POSITION, + SUBSTEP_NUM_BIT_LENGTH); + if (rc_ecmd) + { + FAPI_ERR("Error (0x%x) extracting data from SBE Vital data buffer", + rc_ecmd); + rc.setEcmdError(rc_ecmd); + break; + } + + } while(0); + + return rc; +} + + +} // extern "C" |
