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