/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ALPHA_MCE_H #define __ALPHA_MCE_H /* * This is the logout header that should be common to all platforms * (assuming they are running OSF/1 PALcode, I guess). */ struct el_common { unsigned int size; /* size in bytes of logout area */ unsigned int sbz1 : 30; /* should be zero */ unsigned int err2 : 1; /* second error */ unsigned int retry : 1; /* retry flag */ unsigned int proc_offset; /* processor-specific offset */ unsigned int sys_offset; /* system-specific offset */ unsigned int code; /* machine check code */ unsigned int frame_rev; /* frame revision */ }; /* Machine Check Frame for uncorrectable errors (Large format) * --- This is used to log uncorrectable errors such as * double bit ECC errors. * --- These errors are detected by both processor and systems. */ struct el_common_EV5_uncorrectable_mcheck { unsigned long shadow[8]; /* Shadow reg. 8-14, 25 */ unsigned long paltemp[24]; /* PAL TEMP REGS. */ unsigned long exc_addr; /* Address of excepting instruction*/ unsigned long exc_sum; /* Summary of arithmetic traps. */ unsigned long exc_mask; /* Exception mask (from exc_sum). */ unsigned long pal_base; /* Base address for PALcode. */ unsigned long isr; /* Interrupt Status Reg. */ unsigned long icsr; /* CURRENT SETUP OF EV5 IBOX */ unsigned long ic_perr_stat; /* I-CACHE Reg. <11> set Data parity <12> set TAG parity*/ unsigned long dc_perr_stat; /* D-CACHE error Reg. Bits set to 1: <2> Data error in bank 0 <3> Data error in bank 1 <4> Tag error in bank 0 <5> Tag error in bank 1 */ unsigned long va; /* Effective VA of fault or miss. */ unsigned long mm_stat; /* Holds the reason for D-stream fault or D-cache parity errors */ unsigned long sc_addr; /* Address that was being accessed when EV5 detected Secondary cache failure. */ unsigned long sc_stat; /* Helps determine if the error was TAG/Data parity(Secondary Cache)*/ unsigned long bc_tag_addr; /* Contents of EV5 BC_TAG_ADDR */ unsigned long ei_addr; /* Physical address of any transfer that is logged in EV5 EI_STAT */ unsigned long fill_syndrome; /* For correcting ECC errors. */ unsigned long ei_stat; /* Helps identify reason of any processor uncorrectable error at its external interface. */ unsigned long ld_lock; /* Contents of EV5 LD_LOCK register*/ }; struct el_common_EV6_mcheck { unsigned int FrameSize; /* Bytes, including this field */ unsigned int FrameFlags; /* <31> = Retry, <30> = Second Error */ unsigned int CpuOffset; /* Offset to CPU-specific info */ unsigned int SystemOffset; /* Offset to system-specific info */ unsigned int MCHK_Code; unsigned int MCHK_Frame_Rev; unsigned long I_STAT; /* EV6 Internal Processor Registers */ unsigned long DC_STAT; /* (See the 21264 Spec) */ unsigned long C_ADDR; unsigned long DC1_SYNDROME; unsigned long DC0_SYNDROME; unsigned long C_STAT; unsigned long C_STS; unsigned long MM_STAT; unsigned long EXC_ADDR; unsigned long IER_CM; unsigned long ISUM; unsigned long RESERVED0; unsigned long PAL_BASE; unsigned long I_CTL; unsigned long PCTX; }; #endif /* __ALPHA_MCE_H */ |