Release 4.14 arch/unicore32/include/asm/hwdef-copro.h

/*
 * Co-processor register definitions for PKUnity SoC and UniCore ISA
 *
 * Copyright (C) 2001-2012 GUAN Xue-tao
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */
#ifndef __UNICORE_HWDEF_COPRO_H__

#define __UNICORE_HWDEF_COPRO_H__

/*
 * Control Register bits (CP#0 CR1)
 */

#define CR_M	(1 << 0)	
/* MMU enable                           */

#define CR_A	(1 << 1)	
/* Alignment abort enable               */

#define CR_D	(1 << 2)	
/* Dcache enable                        */

#define CR_I	(1 << 3)	
/* Icache enable                        */

#define CR_B	(1 << 4)	
/* Dcache write mechanism: write back   */

#define CR_T	(1 << 5)	
/* Burst enable                         */

#define CR_V	(1 << 13)	
/* Vectors relocated to 0xffff0000      */

#ifndef __ASSEMBLY__


#define vectors_high()		(cr_alignment & CR_V)

extern unsigned long cr_no_alignment;	/* defined in entry.S */
extern unsigned long cr_alignment;	/* defined in entry.S */



static inline unsigned int get_cr(void)
{
	unsigned int val;
	asm("movc %0, p0.c1, #0" : "=r" (val) : : "cc");
	return val;
}

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static inline void set_cr(unsigned int val)
{
	asm volatile("movc p0.c1, %0, #0" : : "r" (val) : "cc");
	isb();
}

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extern void adjust_cr(unsigned long mask, unsigned long set);

#endif /* __ASSEMBLY__ */

#endif /* __UNICORE_HWDEF_COPRO_H__ */
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Directory: arch/unicore32/include/asm

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