// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Copyright (C) 1994, 1995, 1996, 1997, 2000, 2001 by Ralf Baechle
 *
 * Copyright (C) 2001, Monta Vista Software
 * Author: jsun@mvista.com or jsun@junsun.net
 */
#ifndef _cp0regdef_h_
#define _cp0regdef_h_

#define CP0_INDEX $0
#define CP0_RANDOM $1
#define CP0_ENTRYLO0 $2
#define CP0_ENTRYLO1 $3
#define CP0_CONTEXT $4
#define CP0_PAGEMASK $5
#define CP0_WIRED $6
#define CP0_BADVADDR $8
#define CP0_COUNT $9
#define CP0_ENTRYHI $10
#define CP0_COMPARE $11
#define CP0_STATUS $12
#define CP0_CAUSE $13
#define CP0_EPC $14
#define CP0_PRID $15
#define CP0_CONFIG $16
#define CP0_LLADDR $17
#define CP0_WATCHLO $18
#define CP0_WATCHHI $19
#define CP0_XCONTEXT $20
#define CP0_FRAMEMASK $21
#define CP0_DIAGNOSTIC $22
#define CP0_PERFORMANCE $25
#define CP0_ECC $26
#define CP0_CACHEERR $27
#define CP0_TAGLO $28
#define CP0_TAGHI $29
#define CP0_ERROREPC $30

#define read_32bit_c0_register(reg,sel)					\
({	int __res;							\
	if (sel == 0)							\
		__asm__ __volatile__(					\
			"mfc0\t%0, " #reg "\n\t"			\
			: "=r" (__res));				\
	else								\
		__asm__ __volatile__(					\
			".set\tmips32\n\t"				\
			"mfc0\t%0, " #reg ", " #sel "\n\t"		\
			".set mips0\n\t"				\
			: "=r" (__res));				\
	__res;								\
})

#endif