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Файловый менеджер - Редактировать - /usr/src/linux-headers-5.4.0-200/arch/sparc/include/asm/ecc.h

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/* SPDX-License-Identifier: GPL-2.0 / / * ecc.h: Definitions and defines for the external cache/memory * controller on the sun4m. * * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) / #ifndef _SPARC_ECC_H #define _SPARC_ECC_H / These registers are accessed through the SRMMU passthrough ASI 0x20 / #define ECC_ENABLE 0x00000000 / ECC enable register / #define ECC_FSTATUS 0x00000008 / ECC fault status register / #define ECC_FADDR 0x00000010 / ECC fault address register / #define ECC_DIGNOSTIC 0x00000018 / ECC diagnostics register / #define ECC_MBAENAB 0x00000020 / MBus arbiter enable register / #define ECC_DMESG 0x00001000 / Diagnostic message passing area / / ECC MBus Arbiter Enable register: * * ---------------------------------------- * \| \|SBUS\|MOD3\|MOD2\|MOD1\|RSV\| * ---------------------------------------- * 31 5 4 3 2 1 0 * * SBUS: Enable MBus Arbiter on the SBus 0=off 1=on * MOD3: Enable MBus Arbiter on MBus module 3 0=off 1=on * MOD2: Enable MBus Arbiter on MBus module 2 0=off 1=on * MOD1: Enable MBus Arbiter on MBus module 1 0=off 1=on / #define ECC_MBAE_SBUS 0x00000010 #define ECC_MBAE_MOD3 0x00000008 #define ECC_MBAE_MOD2 0x00000004 #define ECC_MBAE_MOD1 0x00000002 / ECC Fault Control Register layout: * * ----------------------------- * \| RESV \| ECHECK \| EINT \| * ----------------------------- * 31 2 1 0 * * ECHECK: Enable ECC checking. 0=off 1=on * EINT: Enable Interrupts for correctable errors. 0=off 1=on / #define ECC_FCR_CHECK 0x00000002 #define ECC_FCR_INTENAB 0x00000001 / ECC Fault Address Register Zero layout: * * ----------------------------------------------------- * \| MID \| S \| RSV \| VA \| BM \|AT\| C\| SZ \|TYP\| PADDR \| * ----------------------------------------------------- * 31-28 27 26-22 21-14 13 12 11 10-8 7-4 3-0 * * MID: ModuleID of the faulting processor. ie. who did it? * S: Supervisor/Privileged access? 0=no 1=yes * VA: Bits 19-12 of the virtual faulting address, these are the * superset bits in the virtual cache and can be used for * a flush operation if necessary. * BM: Boot mode? 0=no 1=yes This is just like the SRMMU boot * mode bit. * AT: Did this fault happen during an atomic instruction? 0=no * 1=yes. This means either an 'ldstub' or 'swap' instruction * was in progress (but not finished) when this fault happened. * This indicated whether the bus was locked when the fault * occurred. * C: Did the pte for this access indicate that it was cacheable? * 0=no 1=yes * SZ: The size of the transaction. * TYP: The transaction type. * PADDR: Bits 35-32 of the physical address for the fault. / #define ECC_FADDR0_MIDMASK 0xf0000000 #define ECC_FADDR0_S 0x08000000 #define ECC_FADDR0_VADDR 0x003fc000 #define ECC_FADDR0_BMODE 0x00002000 #define ECC_FADDR0_ATOMIC 0x00001000 #define ECC_FADDR0_CACHE 0x00000800 #define ECC_FADDR0_SIZE 0x00000700 #define ECC_FADDR0_TYPE 0x000000f0 #define ECC_FADDR0_PADDR 0x0000000f / ECC Fault Address Register One layout: * * ------------------------------------- * \| Physical Address 31-0 \| * ------------------------------------- * 31 0 * * You get the upper 4 bits of the physical address from the * PADDR field in ECC Fault Address Zero register. / / ECC Fault Status Register layout: * * ---------------------------------------------- * \| RESV\|C2E\|MULT\|SYNDROME\|DWORD\|UNC\|TIMEO\|BS\|C\| * ---------------------------------------------- * 31-18 17 16 15-8 7-4 3 2 1 0 * * C2E: A C2 graphics error occurred. 0=no 1=yes (SS10 only) * MULT: Multiple errors occurred ;-O 0=no 1=prom_panic(yes) * SYNDROME: Controller is mentally unstable. * DWORD: * UNC: Uncorrectable error. 0=no 1=yes * TIMEO: Timeout occurred. 0=no 1=yes * BS: C2 graphics bad slot access. 0=no 1=yes (SS10 only) * C: Correctable error? 0=no 1=yes / #define ECC_FSR_C2ERR 0x00020000 #define ECC_FSR_MULT 0x00010000 #define ECC_FSR_SYND 0x0000ff00 #define ECC_FSR_DWORD 0x000000f0 #define ECC_FSR_UNC 0x00000008 #define ECC_FSR_TIMEO 0x00000004 #define ECC_FSR_BADSLOT 0x00000002 #define ECC_FSR_C 0x00000001 #endif / !(_SPARC_ECC_H) */

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