diff options
Diffstat (limited to 'src/import/chips/p9/procedures/hwp/pm/p9_hcode_image_build.C')
| -rw-r--r-- | src/import/chips/p9/procedures/hwp/pm/p9_hcode_image_build.C | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/src/import/chips/p9/procedures/hwp/pm/p9_hcode_image_build.C b/src/import/chips/p9/procedures/hwp/pm/p9_hcode_image_build.C index c408c1dd8..26b86098c 100644 --- a/src/import/chips/p9/procedures/hwp/pm/p9_hcode_image_build.C +++ b/src/import/chips/p9/procedures/hwp/pm/p9_hcode_image_build.C @@ -144,6 +144,8 @@ enum CORE_REST_WORDS_PER_THREAD = (CORE_RESTORE_SIZE_PER_THREAD >> 2), TWO_MB_ALIGNMENT_CHECK = 0x1FFFFF, SMF_BIT_CHECK = 0x0001000000000000ull, + INST_VALUE_SC2 = 0x44400042, + SRESET_WORD_POS = 0x40, }; /** @@ -4797,6 +4799,14 @@ fapi_try_exit: //--------------------------------------------------------------------------- +/** + * @brief populates CME image header with base address of unsecure HOMER. + * @param[in] i_procTgt fapi2 target for P9 chip + * @param[in] i_pHomer points to HOMER + * @return fapi2 return code + * @note: initializes CME image header irrespective of SMF enable state for + * simplicity. It will be a behave as NOP for SMF disabled system. + */ fapi2::ReturnCode populateUnsecureHomerAddress( CONST_FAPI2_PROC& i_procTgt, Homerlayout_t* i_pHomer ) { uint64_t l_unsecureHomerAdd = 0; @@ -4809,6 +4819,7 @@ fapi2::ReturnCode populateUnsecureHomerAddress( CONST_FAPI2_PROC& i_procTgt, Hom i_procTgt, l_unsecureHomerAdd), "Error from FAPI_ATTR_GET for attribute ATTR_UNSECURE_HOMER_ADDRESS"); + FAPI_INF( "Atrribute ATTR_UNSECURE_HOMER_ADDRESS 0x%016lx", l_unsecureHomerAdd ); if( l_unsecureHomerAdd & 0x1fffff ) @@ -4834,6 +4845,56 @@ fapi2::ReturnCode populateUnsecureHomerAddress( CONST_FAPI2_PROC& i_procTgt, Hom //-------------------------------------------------------------------------------------------------------- +/** + * @brief initializes temp buffer with special attn and sc2 instruction. + * @param[in] i_pBuf2 points to temp buffer + * @param[in] i_sizeBuf2 size of temp buffer + * @return fapi2 return code + * @note: initializes buffer irrespective of SMF enable state for simplicity. + * It will behave as NOP for SMF disabled systems. + */ +fapi2::ReturnCode initUnsecureHomer( void* const i_pBuf2, const uint32_t i_sizeBuf2 ) +{ + FAPI_DBG( ">> initUnsecureHomer" ); + const fapi2::Target<fapi2::TARGET_TYPE_SYSTEM> FAPI_SYSTEM; + uint32_t l_unsecureHomerSize = ONE_KB; + uint32_t l_attr_unsecureHomerSize; + uint32_t * l_pWord = (uint32_t *) i_pBuf2; + uint32_t l_initInst = SWIZZLE_4_BYTE(CORE_RESTORE_PAD_OPCODE); + + + FAPI_TRY( FAPI_ATTR_GET(fapi2::ATTR_UNSECURE_HOMER_SIZE, + FAPI_SYSTEM, + l_attr_unsecureHomerSize), + "Error from FAPI_ATTR_GET for attribute ATTR_UNSECURE_HOMER_SIZE" ); + + FAPI_ASSERT( ( i_sizeBuf2 >= l_unsecureHomerSize && + l_attr_unsecureHomerSize >= l_unsecureHomerSize ), + fapi2::FAILED_TO_INIT_UNSECURE_HOMER() + .set_UNSECURE_HOMER_MIN_SIZE( l_unsecureHomerSize ) + .set_UNSECURE_HOMER_ACTUAL_SIZE( l_attr_unsecureHomerSize ) + .set_TEMP_BUFFER_SIZE( i_sizeBuf2 ), + "Bad size value for unsecure HOMER attr=0x%08x min=0x%08x buf=0x%08x", + l_attr_unsecureHomerSize, l_unsecureHomerSize, i_sizeBuf2 ); + + + l_unsecureHomerSize = (l_unsecureHomerSize >> 2); + + for( size_t wordCnt = 0; wordCnt < l_unsecureHomerSize; wordCnt++ ) + { + memcpy( l_pWord + wordCnt, &l_initInst, sizeof(uint32_t) ); + } + + l_initInst = INST_VALUE_SC2; + memcpy( l_pWord + SRESET_WORD_POS, &l_initInst, sizeof(uint32_t) ); + + fapi_try_exit: + FAPI_DBG( "<< initUnsecureHomer" ); + return fapi2::current_err; +} + +//-------------------------------------------------------------------------------------------------------- + fapi2::ReturnCode p9_hcode_image_build( CONST_FAPI2_PROC& i_procTgt, void* const i_pImageIn, void* i_pHomerImage, @@ -5068,6 +5129,9 @@ fapi2::ReturnCode p9_hcode_image_build( CONST_FAPI2_PROC& i_procTgt, FAPI_TRY( verifySprSelfSave( i_pHomerImage, fuseModeState, l_chipFuncModel ), "Failed to create SPR self save restore entry" ); + FAPI_TRY( initUnsecureHomer( i_pBuf2, i_sizeBuf2 ), + "Failed to initialize unsecure HOMER" ); + fapi_try_exit: FAPI_IMP("<< p9_hcode_image_build" ); return fapi2::current_err; |
