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/*
 * psr.h: This file holds the macros for masking off various parts of
 *        the processor status register on the Sparc. This is valid
 *        for Version 8. On the V9 this is renamed to the PSTATE
 *        register and its members are accessed as fields like
 *        PSTATE.PRIV for the current CPU privilege level.
 *
 * Copyright (C) 1994 David S. Miller (davem@caip.rutgers.edu)
 */

#ifndef __LINUX_SPARC_PSR_H
#define __LINUX_SPARC_PSR_H

/* The Sparc PSR fields are laid out as the following:
 *
 *  ------------------------------------------------------------------------
 *  | impl  | vers  | icc   | resv  | EC | EF | PIL  | S | PS | ET |  CWP  |
 *  | 31-28 | 27-24 | 23-20 | 19-14 | 13 | 12 | 11-8 | 7 | 6  | 5  |  4-0  |
 *  ------------------------------------------------------------------------
 */
#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_VERS_SHIFT		24
#define PSR_IMPL_SHIFT		28
#define PSR_VERS_SHIFTED_MASK	0xf
#define PSR_IMPL_SHIFTED_MASK	0xf

#define PSR_IMPL_TI		0x4
#define PSR_IMPL_LEON		0xf


#endif /* __LINUX_SPARC_PSR_H */