Current File : //usr/src/linux-headers-5.15.0-43/arch/sparc/include/uapi/asm/psr.h
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
* 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 _UAPI__LINUX_SPARC_PSR_H
#define _UAPI__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 /* _UAPI__LINUX_SPARC_PSR_H */
Mini Shell