diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 18:50:03 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 18:50:03 +0000 |
commit | 01a69402cf9d38ff180345d55c2ee51c7e89fbc7 (patch) | |
tree | b406c5242a088c4f59c6e4b719b783f43aca6ae9 /drivers/edac/mce_amd.c | |
parent | Adding upstream version 6.7.12. (diff) | |
download | linux-01a69402cf9d38ff180345d55c2ee51c7e89fbc7.tar.xz linux-01a69402cf9d38ff180345d55c2ee51c7e89fbc7.zip |
Adding upstream version 6.8.9.upstream/6.8.9
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/edac/mce_amd.c')
-rw-r--r-- | drivers/edac/mce_amd.c | 526 |
1 files changed, 42 insertions, 484 deletions
diff --git a/drivers/edac/mce_amd.c b/drivers/edac/mce_amd.c index 9215c06783..ec8b6c9fed 100644 --- a/drivers/edac/mce_amd.c +++ b/drivers/edac/mce_amd.c @@ -143,482 +143,6 @@ static const char * const mc6_mce_desc[] = { "Status Register File", }; -/* Scalable MCA error strings */ -static const char * const smca_ls_mce_desc[] = { - "Load queue parity error", - "Store queue parity error", - "Miss address buffer payload parity error", - "Level 1 TLB parity error", - "DC Tag error type 5", - "DC Tag error type 6", - "DC Tag error type 1", - "Internal error type 1", - "Internal error type 2", - "System Read Data Error Thread 0", - "System Read Data Error Thread 1", - "DC Tag error type 2", - "DC Data error type 1 and poison consumption", - "DC Data error type 2", - "DC Data error type 3", - "DC Tag error type 4", - "Level 2 TLB parity error", - "PDC parity error", - "DC Tag error type 3", - "DC Tag error type 5", - "L2 Fill Data error", -}; - -static const char * const smca_ls2_mce_desc[] = { - "An ECC error was detected on a data cache read by a probe or victimization", - "An ECC error or L2 poison was detected on a data cache read by a load", - "An ECC error was detected on a data cache read-modify-write by a store", - "An ECC error or poison bit mismatch was detected on a tag read by a probe or victimization", - "An ECC error or poison bit mismatch was detected on a tag read by a load", - "An ECC error or poison bit mismatch was detected on a tag read by a store", - "An ECC error was detected on an EMEM read by a load", - "An ECC error was detected on an EMEM read-modify-write by a store", - "A parity error was detected in an L1 TLB entry by any access", - "A parity error was detected in an L2 TLB entry by any access", - "A parity error was detected in a PWC entry by any access", - "A parity error was detected in an STQ entry by any access", - "A parity error was detected in an LDQ entry by any access", - "A parity error was detected in a MAB entry by any access", - "A parity error was detected in an SCB entry state field by any access", - "A parity error was detected in an SCB entry address field by any access", - "A parity error was detected in an SCB entry data field by any access", - "A parity error was detected in a WCB entry by any access", - "A poisoned line was detected in an SCB entry by any access", - "A SystemReadDataError error was reported on read data returned from L2 for a load", - "A SystemReadDataError error was reported on read data returned from L2 for an SCB store", - "A SystemReadDataError error was reported on read data returned from L2 for a WCB store", - "A hardware assertion error was reported", - "A parity error was detected in an STLF, SCB EMEM entry or SRB store data by any access", -}; - -static const char * const smca_if_mce_desc[] = { - "Op Cache Microtag Probe Port Parity Error", - "IC Microtag or Full Tag Multi-hit Error", - "IC Full Tag Parity Error", - "IC Data Array Parity Error", - "Decoupling Queue PhysAddr Parity Error", - "L0 ITLB Parity Error", - "L1 ITLB Parity Error", - "L2 ITLB Parity Error", - "BPQ Thread 0 Snoop Parity Error", - "BPQ Thread 1 Snoop Parity Error", - "L1 BTB Multi-Match Error", - "L2 BTB Multi-Match Error", - "L2 Cache Response Poison Error", - "System Read Data Error", - "Hardware Assertion Error", - "L1-TLB Multi-Hit", - "L2-TLB Multi-Hit", - "BSR Parity Error", - "CT MCE", -}; - -static const char * const smca_l2_mce_desc[] = { - "L2M Tag Multiple-Way-Hit error", - "L2M Tag or State Array ECC Error", - "L2M Data Array ECC Error", - "Hardware Assert Error", -}; - -static const char * const smca_de_mce_desc[] = { - "Micro-op cache tag parity error", - "Micro-op cache data parity error", - "Instruction buffer parity error", - "Micro-op queue parity error", - "Instruction dispatch queue parity error", - "Fetch address FIFO parity error", - "Patch RAM data parity error", - "Patch RAM sequencer parity error", - "Micro-op buffer parity error", - "Hardware Assertion MCA Error", -}; - -static const char * const smca_ex_mce_desc[] = { - "Watchdog Timeout error", - "Physical register file parity error", - "Flag register file parity error", - "Immediate displacement register file parity error", - "Address generator payload parity error", - "EX payload parity error", - "Checkpoint queue parity error", - "Retire dispatch queue parity error", - "Retire status queue parity error", - "Scheduling queue parity error", - "Branch buffer queue parity error", - "Hardware Assertion error", - "Spec Map parity error", - "Retire Map parity error", -}; - -static const char * const smca_fp_mce_desc[] = { - "Physical register file (PRF) parity error", - "Freelist (FL) parity error", - "Schedule queue parity error", - "NSQ parity error", - "Retire queue (RQ) parity error", - "Status register file (SRF) parity error", - "Hardware assertion", -}; - -static const char * const smca_l3_mce_desc[] = { - "Shadow Tag Macro ECC Error", - "Shadow Tag Macro Multi-way-hit Error", - "L3M Tag ECC Error", - "L3M Tag Multi-way-hit Error", - "L3M Data ECC Error", - "SDP Parity Error or SystemReadDataError from XI", - "L3 Victim Queue Parity Error", - "L3 Hardware Assertion", -}; - -static const char * const smca_cs_mce_desc[] = { - "Illegal Request", - "Address Violation", - "Security Violation", - "Illegal Response", - "Unexpected Response", - "Request or Probe Parity Error", - "Read Response Parity Error", - "Atomic Request Parity Error", - "Probe Filter ECC Error", -}; - -static const char * const smca_cs2_mce_desc[] = { - "Illegal Request", - "Address Violation", - "Security Violation", - "Illegal Response", - "Unexpected Response", - "Request or Probe Parity Error", - "Read Response Parity Error", - "Atomic Request Parity Error", - "SDP read response had no match in the CS queue", - "Probe Filter Protocol Error", - "Probe Filter ECC Error", - "SDP read response had an unexpected RETRY error", - "Counter overflow error", - "Counter underflow error", -}; - -static const char * const smca_pie_mce_desc[] = { - "Hardware Assert", - "Register security violation", - "Link Error", - "Poison data consumption", - "A deferred error was detected in the DF" -}; - -static const char * const smca_umc_mce_desc[] = { - "DRAM ECC error", - "Data poison error", - "SDP parity error", - "Advanced peripheral bus error", - "Address/Command parity error", - "Write data CRC error", - "DCQ SRAM ECC error", - "AES SRAM ECC error", -}; - -static const char * const smca_umc2_mce_desc[] = { - "DRAM ECC error", - "Data poison error", - "SDP parity error", - "Reserved", - "Address/Command parity error", - "Write data parity error", - "DCQ SRAM ECC error", - "Reserved", - "Read data parity error", - "Rdb SRAM ECC error", - "RdRsp SRAM ECC error", - "LM32 MP errors", -}; - -static const char * const smca_pb_mce_desc[] = { - "An ECC error in the Parameter Block RAM array", -}; - -static const char * const smca_psp_mce_desc[] = { - "An ECC or parity error in a PSP RAM instance", -}; - -static const char * const smca_psp2_mce_desc[] = { - "High SRAM ECC or parity error", - "Low SRAM ECC or parity error", - "Instruction Cache Bank 0 ECC or parity error", - "Instruction Cache Bank 1 ECC or parity error", - "Instruction Tag Ram 0 parity error", - "Instruction Tag Ram 1 parity error", - "Data Cache Bank 0 ECC or parity error", - "Data Cache Bank 1 ECC or parity error", - "Data Cache Bank 2 ECC or parity error", - "Data Cache Bank 3 ECC or parity error", - "Data Tag Bank 0 parity error", - "Data Tag Bank 1 parity error", - "Data Tag Bank 2 parity error", - "Data Tag Bank 3 parity error", - "Dirty Data Ram parity error", - "TLB Bank 0 parity error", - "TLB Bank 1 parity error", - "System Hub Read Buffer ECC or parity error", -}; - -static const char * const smca_smu_mce_desc[] = { - "An ECC or parity error in an SMU RAM instance", -}; - -static const char * const smca_smu2_mce_desc[] = { - "High SRAM ECC or parity error", - "Low SRAM ECC or parity error", - "Data Cache Bank A ECC or parity error", - "Data Cache Bank B ECC or parity error", - "Data Tag Cache Bank A ECC or parity error", - "Data Tag Cache Bank B ECC or parity error", - "Instruction Cache Bank A ECC or parity error", - "Instruction Cache Bank B ECC or parity error", - "Instruction Tag Cache Bank A ECC or parity error", - "Instruction Tag Cache Bank B ECC or parity error", - "System Hub Read Buffer ECC or parity error", - "PHY RAM ECC error", -}; - -static const char * const smca_mp5_mce_desc[] = { - "High SRAM ECC or parity error", - "Low SRAM ECC or parity error", - "Data Cache Bank A ECC or parity error", - "Data Cache Bank B ECC or parity error", - "Data Tag Cache Bank A ECC or parity error", - "Data Tag Cache Bank B ECC or parity error", - "Instruction Cache Bank A ECC or parity error", - "Instruction Cache Bank B ECC or parity error", - "Instruction Tag Cache Bank A ECC or parity error", - "Instruction Tag Cache Bank B ECC or parity error", -}; - -static const char * const smca_mpdma_mce_desc[] = { - "Main SRAM [31:0] bank ECC or parity error", - "Main SRAM [63:32] bank ECC or parity error", - "Main SRAM [95:64] bank ECC or parity error", - "Main SRAM [127:96] bank ECC or parity error", - "Data Cache Bank A ECC or parity error", - "Data Cache Bank B ECC or parity error", - "Data Tag Cache Bank A ECC or parity error", - "Data Tag Cache Bank B ECC or parity error", - "Instruction Cache Bank A ECC or parity error", - "Instruction Cache Bank B ECC or parity error", - "Instruction Tag Cache Bank A ECC or parity error", - "Instruction Tag Cache Bank B ECC or parity error", - "Data Cache Bank A ECC or parity error", - "Data Cache Bank B ECC or parity error", - "Data Tag Cache Bank A ECC or parity error", - "Data Tag Cache Bank B ECC or parity error", - "Instruction Cache Bank A ECC or parity error", - "Instruction Cache Bank B ECC or parity error", - "Instruction Tag Cache Bank A ECC or parity error", - "Instruction Tag Cache Bank B ECC or parity error", - "Data Cache Bank A ECC or parity error", - "Data Cache Bank B ECC or parity error", - "Data Tag Cache Bank A ECC or parity error", - "Data Tag Cache Bank B ECC or parity error", - "Instruction Cache Bank A ECC or parity error", - "Instruction Cache Bank B ECC or parity error", - "Instruction Tag Cache Bank A ECC or parity error", - "Instruction Tag Cache Bank B ECC or parity error", - "System Hub Read Buffer ECC or parity error", - "MPDMA TVF DVSEC Memory ECC or parity error", - "MPDMA TVF MMIO Mailbox0 ECC or parity error", - "MPDMA TVF MMIO Mailbox1 ECC or parity error", - "MPDMA TVF Doorbell Memory ECC or parity error", - "MPDMA TVF SDP Slave Memory 0 ECC or parity error", - "MPDMA TVF SDP Slave Memory 1 ECC or parity error", - "MPDMA TVF SDP Slave Memory 2 ECC or parity error", - "MPDMA TVF SDP Master Memory 0 ECC or parity error", - "MPDMA TVF SDP Master Memory 1 ECC or parity error", - "MPDMA TVF SDP Master Memory 2 ECC or parity error", - "MPDMA TVF SDP Master Memory 3 ECC or parity error", - "MPDMA TVF SDP Master Memory 4 ECC or parity error", - "MPDMA TVF SDP Master Memory 5 ECC or parity error", - "MPDMA TVF SDP Master Memory 6 ECC or parity error", - "MPDMA PTE Command FIFO ECC or parity error", - "MPDMA PTE Hub Data FIFO ECC or parity error", - "MPDMA PTE Internal Data FIFO ECC or parity error", - "MPDMA PTE Command Memory DMA ECC or parity error", - "MPDMA PTE Command Memory Internal ECC or parity error", - "MPDMA PTE DMA Completion FIFO ECC or parity error", - "MPDMA PTE Tablewalk Completion FIFO ECC or parity error", - "MPDMA PTE Descriptor Completion FIFO ECC or parity error", - "MPDMA PTE ReadOnly Completion FIFO ECC or parity error", - "MPDMA PTE DirectWrite Completion FIFO ECC or parity error", - "SDP Watchdog Timer expired", -}; - -static const char * const smca_nbio_mce_desc[] = { - "ECC or Parity error", - "PCIE error", - "SDP ErrEvent error", - "SDP Egress Poison Error", - "IOHC Internal Poison Error", -}; - -static const char * const smca_pcie_mce_desc[] = { - "CCIX PER Message logging", - "CCIX Read Response with Status: Non-Data Error", - "CCIX Write Response with Status: Non-Data Error", - "CCIX Read Response with Status: Data Error", - "CCIX Non-okay write response with data error", -}; - -static const char * const smca_pcie2_mce_desc[] = { - "SDP Parity Error logging", -}; - -static const char * const smca_xgmipcs_mce_desc[] = { - "Data Loss Error", - "Training Error", - "Flow Control Acknowledge Error", - "Rx Fifo Underflow Error", - "Rx Fifo Overflow Error", - "CRC Error", - "BER Exceeded Error", - "Tx Vcid Data Error", - "Replay Buffer Parity Error", - "Data Parity Error", - "Replay Fifo Overflow Error", - "Replay Fifo Underflow Error", - "Elastic Fifo Overflow Error", - "Deskew Error", - "Flow Control CRC Error", - "Data Startup Limit Error", - "FC Init Timeout Error", - "Recovery Timeout Error", - "Ready Serial Timeout Error", - "Ready Serial Attempt Error", - "Recovery Attempt Error", - "Recovery Relock Attempt Error", - "Replay Attempt Error", - "Sync Header Error", - "Tx Replay Timeout Error", - "Rx Replay Timeout Error", - "LinkSub Tx Timeout Error", - "LinkSub Rx Timeout Error", - "Rx CMD Packet Error", -}; - -static const char * const smca_xgmiphy_mce_desc[] = { - "RAM ECC Error", - "ARC instruction buffer parity error", - "ARC data buffer parity error", - "PHY APB error", -}; - -static const char * const smca_nbif_mce_desc[] = { - "Timeout error from GMI", - "SRAM ECC error", - "NTB Error Event", - "SDP Parity error", -}; - -static const char * const smca_sata_mce_desc[] = { - "Parity error for port 0", - "Parity error for port 1", - "Parity error for port 2", - "Parity error for port 3", - "Parity error for port 4", - "Parity error for port 5", - "Parity error for port 6", - "Parity error for port 7", -}; - -static const char * const smca_usb_mce_desc[] = { - "Parity error or ECC error for S0 RAM0", - "Parity error or ECC error for S0 RAM1", - "Parity error or ECC error for S0 RAM2", - "Parity error for PHY RAM0", - "Parity error for PHY RAM1", - "AXI Slave Response error", -}; - -static const char * const smca_gmipcs_mce_desc[] = { - "Data Loss Error", - "Training Error", - "Replay Parity Error", - "Rx Fifo Underflow Error", - "Rx Fifo Overflow Error", - "CRC Error", - "BER Exceeded Error", - "Tx Fifo Underflow Error", - "Replay Buffer Parity Error", - "Tx Overflow Error", - "Replay Fifo Overflow Error", - "Replay Fifo Underflow Error", - "Elastic Fifo Overflow Error", - "Deskew Error", - "Offline Error", - "Data Startup Limit Error", - "FC Init Timeout Error", - "Recovery Timeout Error", - "Ready Serial Timeout Error", - "Ready Serial Attempt Error", - "Recovery Attempt Error", - "Recovery Relock Attempt Error", - "Deskew Abort Error", - "Rx Buffer Error", - "Rx LFDS Fifo Overflow Error", - "Rx LFDS Fifo Underflow Error", - "LinkSub Tx Timeout Error", - "LinkSub Rx Timeout Error", - "Rx CMD Packet Error", - "LFDS Training Timeout Error", - "LFDS FC Init Timeout Error", - "Data Loss Error", -}; - -struct smca_mce_desc { - const char * const *descs; - unsigned int num_descs; -}; - -static struct smca_mce_desc smca_mce_descs[] = { - [SMCA_LS] = { smca_ls_mce_desc, ARRAY_SIZE(smca_ls_mce_desc) }, - [SMCA_LS_V2] = { smca_ls2_mce_desc, ARRAY_SIZE(smca_ls2_mce_desc) }, - [SMCA_IF] = { smca_if_mce_desc, ARRAY_SIZE(smca_if_mce_desc) }, - [SMCA_L2_CACHE] = { smca_l2_mce_desc, ARRAY_SIZE(smca_l2_mce_desc) }, - [SMCA_DE] = { smca_de_mce_desc, ARRAY_SIZE(smca_de_mce_desc) }, - [SMCA_EX] = { smca_ex_mce_desc, ARRAY_SIZE(smca_ex_mce_desc) }, - [SMCA_FP] = { smca_fp_mce_desc, ARRAY_SIZE(smca_fp_mce_desc) }, - [SMCA_L3_CACHE] = { smca_l3_mce_desc, ARRAY_SIZE(smca_l3_mce_desc) }, - [SMCA_CS] = { smca_cs_mce_desc, ARRAY_SIZE(smca_cs_mce_desc) }, - [SMCA_CS_V2] = { smca_cs2_mce_desc, ARRAY_SIZE(smca_cs2_mce_desc) }, - [SMCA_PIE] = { smca_pie_mce_desc, ARRAY_SIZE(smca_pie_mce_desc) }, - [SMCA_UMC] = { smca_umc_mce_desc, ARRAY_SIZE(smca_umc_mce_desc) }, - [SMCA_UMC_V2] = { smca_umc2_mce_desc, ARRAY_SIZE(smca_umc2_mce_desc) }, - [SMCA_PB] = { smca_pb_mce_desc, ARRAY_SIZE(smca_pb_mce_desc) }, - [SMCA_PSP] = { smca_psp_mce_desc, ARRAY_SIZE(smca_psp_mce_desc) }, - [SMCA_PSP_V2] = { smca_psp2_mce_desc, ARRAY_SIZE(smca_psp2_mce_desc) }, - [SMCA_SMU] = { smca_smu_mce_desc, ARRAY_SIZE(smca_smu_mce_desc) }, - [SMCA_SMU_V2] = { smca_smu2_mce_desc, ARRAY_SIZE(smca_smu2_mce_desc) }, - [SMCA_MP5] = { smca_mp5_mce_desc, ARRAY_SIZE(smca_mp5_mce_desc) }, - [SMCA_MPDMA] = { smca_mpdma_mce_desc, ARRAY_SIZE(smca_mpdma_mce_desc) }, - [SMCA_NBIO] = { smca_nbio_mce_desc, ARRAY_SIZE(smca_nbio_mce_desc) }, - [SMCA_PCIE] = { smca_pcie_mce_desc, ARRAY_SIZE(smca_pcie_mce_desc) }, - [SMCA_PCIE_V2] = { smca_pcie2_mce_desc, ARRAY_SIZE(smca_pcie2_mce_desc) }, - [SMCA_XGMI_PCS] = { smca_xgmipcs_mce_desc, ARRAY_SIZE(smca_xgmipcs_mce_desc) }, - /* NBIF and SHUB have the same error descriptions, for now. */ - [SMCA_NBIF] = { smca_nbif_mce_desc, ARRAY_SIZE(smca_nbif_mce_desc) }, - [SMCA_SHUB] = { smca_nbif_mce_desc, ARRAY_SIZE(smca_nbif_mce_desc) }, - [SMCA_SATA] = { smca_sata_mce_desc, ARRAY_SIZE(smca_sata_mce_desc) }, - [SMCA_USB] = { smca_usb_mce_desc, ARRAY_SIZE(smca_usb_mce_desc) }, - [SMCA_GMI_PCS] = { smca_gmipcs_mce_desc, ARRAY_SIZE(smca_gmipcs_mce_desc) }, - /* All the PHY bank types have the same error descriptions, for now. */ - [SMCA_XGMI_PHY] = { smca_xgmiphy_mce_desc, ARRAY_SIZE(smca_xgmiphy_mce_desc) }, - [SMCA_WAFL_PHY] = { smca_xgmiphy_mce_desc, ARRAY_SIZE(smca_xgmiphy_mce_desc) }, - [SMCA_GMI_PHY] = { smca_xgmiphy_mce_desc, ARRAY_SIZE(smca_xgmiphy_mce_desc) }, -}; - static bool f12h_mc0_mce(u16 ec, u8 xec) { bool ret = false; @@ -1163,11 +687,51 @@ static void decode_mc6_mce(struct mce *m) pr_emerg(HW_ERR "Corrupted MC6 MCE info?\n"); } +static const char * const smca_long_names[] = { + [SMCA_LS ... SMCA_LS_V2] = "Load Store Unit", + [SMCA_IF] = "Instruction Fetch Unit", + [SMCA_L2_CACHE] = "L2 Cache", + [SMCA_DE] = "Decode Unit", + [SMCA_RESERVED] = "Reserved", + [SMCA_EX] = "Execution Unit", + [SMCA_FP] = "Floating Point Unit", + [SMCA_L3_CACHE] = "L3 Cache", + [SMCA_CS ... SMCA_CS_V2] = "Coherent Slave", + [SMCA_PIE] = "Power, Interrupts, etc.", + + /* UMC v2 is separate because both of them can exist in a single system. */ + [SMCA_UMC] = "Unified Memory Controller", + [SMCA_UMC_V2] = "Unified Memory Controller v2", + [SMCA_PB] = "Parameter Block", + [SMCA_PSP ... SMCA_PSP_V2] = "Platform Security Processor", + [SMCA_SMU ... SMCA_SMU_V2] = "System Management Unit", + [SMCA_MP5] = "Microprocessor 5 Unit", + [SMCA_MPDMA] = "MPDMA Unit", + [SMCA_NBIO] = "Northbridge IO Unit", + [SMCA_PCIE ... SMCA_PCIE_V2] = "PCI Express Unit", + [SMCA_XGMI_PCS] = "Ext Global Memory Interconnect PCS Unit", + [SMCA_NBIF] = "NBIF Unit", + [SMCA_SHUB] = "System Hub Unit", + [SMCA_SATA] = "SATA Unit", + [SMCA_USB] = "USB Unit", + [SMCA_GMI_PCS] = "Global Memory Interconnect PCS Unit", + [SMCA_XGMI_PHY] = "Ext Global Memory Interconnect PHY Unit", + [SMCA_WAFL_PHY] = "WAFL PHY Unit", + [SMCA_GMI_PHY] = "Global Memory Interconnect PHY Unit", +}; + +static const char *smca_get_long_name(enum smca_bank_types t) +{ + if (t >= N_SMCA_BANK_TYPES) + return NULL; + + return smca_long_names[t]; +} + /* Decode errors according to Scalable MCA specification */ static void decode_smca_error(struct mce *m) { enum smca_bank_types bank_type = smca_get_bank_type(m->extcpu, m->bank); - const char *ip_name; u8 xec = XEC(m->status, xec_mask); if (bank_type >= N_SMCA_BANK_TYPES) @@ -1178,13 +742,7 @@ static void decode_smca_error(struct mce *m) return; } - ip_name = smca_get_long_name(bank_type); - - pr_emerg(HW_ERR "%s Ext. Error Code: %d", ip_name, xec); - - /* Only print the decode of valid error codes */ - if (xec < smca_mce_descs[bank_type].num_descs) - pr_cont(", %s.\n", smca_mce_descs[bank_type].descs[xec]); + pr_emerg(HW_ERR "%s Ext. Error Code: %d", smca_get_long_name(bank_type), xec); if ((bank_type == SMCA_UMC || bank_type == SMCA_UMC_V2) && xec == 0 && decode_dram_ecc) |