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/* $OpenBSD: psl.h,v 1.11 2021/03/11 11:16:57 jsg Exp $ */
/*
* Copyright (c) 1999-2004 Michael Shalayeff
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _MACHINE_PSL_H_
#define _MACHINE_PSL_H_
/*
* Reference:
* 1. PA-RISC 1.1 Architecture and Instruction Set Manual
* Hewlett Packard, 3rd Edition, February 1994; Part Number 09740-90039
*/
/*
* Processor Status Word Bit Positions (in PA-RISC bit order)
*/
#define PSL_Y_POS (0)
#define PSL_Z_POS (1)
#define PSL_SS_POS (3) /* Reserved, Software-defined */
#define PSL_W_POS (4)
#define PSL_E_POS (5)
#define PSL_S_POS (6)
#define PSL_T_POS (7)
#define PSL_H_POS (8)
#define PSL_L_POS (9)
#define PSL_N_POS (10)
#define PSL_X_POS (11)
#define PSL_B_POS (12)
#define PSL_C_POS (13)
#define PSL_V_POS (14)
#define PSL_M_POS (15)
#define PSL_CB_POS (16)
#define PSL_O_POS (24)
#define PSL_G_POS (25)
#define PSL_F_POS (26)
#define PSL_R_POS (27)
#define PSL_Q_POS (28)
#define PSL_P_POS (29)
#define PSL_D_POS (30)
#define PSL_I_POS (31)
#define PSL_BITS "\020\001I\002D\003P\004Q\005R\006F\007G\010O" \
"\021M\022V\023C\024B\025X\026N\027L\030H" \
"\031T\032S\033E\034W\037Z\040Y"
/*
* Processor Status Word Bit Values
*/
#define PSL_Y (1 << (31-PSL_Y_POS)) /* Data Debug Trap Disable */
#define PSL_Z (1 << (31-PSL_Z_POS)) /* Instruction Debug Trap Disable */
#define PSL_SS (1 << (31-PSL_SS_POS)) /* Reserved; Software Single-Step */
#define PSL_W (1 << (31-PSL_W_POS)) /* 64bit address decode enable */
#define PSL_E (1 << (31-PSL_E_POS)) /* Little Endian Memory Access Enable */
#define PSL_S (1 << (31-PSL_S_POS)) /* Secure Interval Timer */
#define PSL_T (1 << (31-PSL_T_POS)) /* Taken Branch Trap Enable */
#define PSL_H (1 << (31-PSL_H_POS)) /* Higher-privilege Transfer Trap Enable */
#define PSL_L (1 << (31-PSL_L_POS)) /* Lower-privilege Transfer Trap Enable */
#define PSL_N (1 << (31-PSL_N_POS)) /* Nullify */
#define PSL_X (1 << (31-PSL_X_POS)) /* Data Memory Break Disable */
#define PSL_B (1 << (31-PSL_B_POS)) /* Taken Branch */
#define PSL_C (1 << (31-PSL_C_POS)) /* Instruction Address Translation Enable */
#define PSL_V (1 << (31-PSL_V_POS)) /* Divide Step Correction */
#define PSL_M (1 << (31-PSL_M_POS)) /* High-priority Machine Check Mask */
#define PSL_CB (1 << (31-PSL_CB_POS)) /* Carry/Borrow Bits */
#define PSL_O (1 << (31-PSL_O_POS)) /* Force strong ordering (2.0) */
#define PSL_G (1 << (31-PSL_G_POS)) /* Debug Trap Enable */
#define PSL_F (1 << (31-PSL_F_POS)) /* Performance Monitor Interrupt Unmask */
#define PSL_R (1 << (31-PSL_R_POS)) /* Recover Counter Enable */
#define PSL_Q (1 << (31-PSL_Q_POS)) /* Interrupt State Collection Enable */
#define PSL_P (1 << (31-PSL_P_POS)) /* Protection Identifier Validation Enable */
#define PSL_D (1 << (31-PSL_D_POS)) /* Data Address Translation Enable */
#define PSL_I (1 << (31-PSL_I_POS)) /* External Interrupt, Power Failure
Interrupt, and Low-Priority Machine
Check Interrupt unmask */
/*
* Frequently Used PSW Values
*/
#define RESET_PSL (PSL_R | PSL_Q | PSL_P | PSL_D | PSL_I)
#endif /* _MACHINE_PSL_H_ */
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