cregit-Linux how code gets into the kernel

Release 4.14 arch/mips/include/asm/dec/ecc.h

/*
 *      include/asm-mips/dec/ecc.h
 *
 *      ECC handling logic definitions common to DECstation/DECsystem
 *      5000/200 (KN02), 5000/240 (KN03), 5000/260 (KN05) and
 *      DECsystem 5900 (KN03), 5900/260 (KN05) systems.
 *
 *      Copyright (C) 2003  Maciej W. Rozycki
 *
 *      This program is free software; you can redistribute it and/or
 *      modify it under the terms of the GNU General Public License
 *      as published by the Free Software Foundation; either version
 *      2 of the License, or (at your option) any later version.
 */
#ifndef __ASM_MIPS_DEC_ECC_H

#define __ASM_MIPS_DEC_ECC_H

/*
 * Error Address Register bits.
 * The register is r/wc -- any write clears it.
 */

#define KN0X_EAR_VALID		(1<<31)		
/* error data valid, bus IRQ */

#define KN0X_EAR_CPU		(1<<30)		
/* CPU/DMA transaction */

#define KN0X_EAR_WRITE		(1<<29)		
/* write/read transaction */

#define KN0X_EAR_ECCERR		(1<<28)		
/* ECC/timeout or overrun */

#define KN0X_EAR_RES_27		(1<<27)		
/* unused */

#define KN0X_EAR_ADDRESS	(0x7ffffff<<0)	
/* address involved */

/*
 * Error Syndrome Register bits.
 * The register is frozen when EAR.VALID is set, otherwise it records bits
 * from the last memory read.  The register is r/wc -- any write clears it.
 */

#define KN0X_ESR_VLDHI		(1<<31)		
/* error data valid hi word */

#define KN0X_ESR_CHKHI		(0x7f<<24)	
/* check bits read from mem */

#define KN0X_ESR_SNGHI		(1<<23)		
/* single/double bit error */

#define KN0X_ESR_SYNHI		(0x7f<<16)	
/* syndrome from ECC logic */

#define KN0X_ESR_VLDLO		(1<<15)		
/* error data valid lo word */

#define KN0X_ESR_CHKLO		(0x7f<<8)	
/* check bits read from mem */

#define KN0X_ESR_SNGLO		(1<<7)		
/* single/double bit error */

#define KN0X_ESR_SYNLO		(0x7f<<0)	
/* syndrome from ECC logic */


#ifndef __ASSEMBLY__

#include <linux/interrupt.h>

struct pt_regs;

extern void dec_ecc_be_init(void);
extern int dec_ecc_be_handler(struct pt_regs *regs, int is_fixup);
extern irqreturn_t dec_ecc_be_interrupt(int irq, void *dev_id);
#endif

#endif /* __ASM_MIPS_DEC_ECC_H */

Overall Contributors

PersonTokensPropCommitsCommitProp
Ralf Bächle12196.80%150.00%
Andrew Morton43.20%150.00%
Total125100.00%2100.00%
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