Release 4.14 arch/sparc/include/uapi/asm/psrcompat.h

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _SPARC64_PSRCOMPAT_H

#define _SPARC64_PSRCOMPAT_H

#include <asm/pstate.h>

/* Old 32-bit PSR fields for the compatibility conversion code. */

#define PSR_CWP     0x0000001f         
/* current window pointer     */

#define PSR_ET      0x00000020         
/* enable traps field         */

#define PSR_PS      0x00000040         
/* previous privilege level   */

#define PSR_S       0x00000080         
/* current privilege level    */

#define PSR_PIL     0x00000f00         
/* processor interrupt level  */

#define PSR_EF      0x00001000         
/* enable floating point      */

#define PSR_EC      0x00002000         
/* enable co-processor        */

#define PSR_SYSCALL 0x00004000         
/* inside of a syscall        */

#define PSR_LE      0x00008000         
/* SuperSparcII little-endian */

#define PSR_ICC     0x00f00000         
/* integer condition codes    */

#define PSR_C       0x00100000         
/* carry bit                  */

#define PSR_V       0x00200000         
/* overflow bit               */

#define PSR_Z       0x00400000         
/* zero bit                   */

#define PSR_N       0x00800000         
/* negative bit               */

#define PSR_VERS    0x0f000000         
/* cpu-version field          */

#define PSR_IMPL    0xf0000000         
/* cpu-implementation field   */


#define PSR_V8PLUS  0xff000000         
/* fake impl/ver, meaning a 64bit CPU is present */

#define PSR_XCC	    0x000f0000         
/* if PSR_V8PLUS, this is %xcc */



static inline unsigned int tstate_to_psr(unsigned long tstate)
{
	return ((tstate & TSTATE_CWP)			|
		PSR_S					|
		((tstate & TSTATE_ICC) >> 12)		|
		((tstate & TSTATE_XCC) >> 20)		|
		((tstate & TSTATE_SYSCALL) ? PSR_SYSCALL : 0) |
		PSR_V8PLUS);
}

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static inline unsigned long psr_to_tstate_icc(unsigned int psr)
{
	unsigned long tstate = ((unsigned long)(psr & PSR_ICC)) << 12;
	if ((psr & (PSR_VERS|PSR_IMPL)) == PSR_V8PLUS)
		tstate |= ((unsigned long)(psr & PSR_XCC)) << 20;
	return tstate;
}

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#endif /* !(_SPARC64_PSRCOMPAT_H) */
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Directory: arch/sparc/include/uapi/asm

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