1 /*- 2 * SPDX-License-Identifier: BSD-4-Clause 3 * 4 * Copyright (C) 1995, 1996 Wolfgang Solfrank. 5 * Copyright (C) 1995, 1996 TooLs GmbH. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by TooLs GmbH. 19 * 4. The name of TooLs GmbH may not be used to endorse or promote products 20 * derived from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 27 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 28 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 29 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 30 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 31 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 * 33 * $NetBSD: psl.h,v 1.5 2000/11/19 19:52:37 matt Exp $ 34 * $FreeBSD$ 35 */ 36 37 #ifndef _MACHINE_PSL_H_ 38 #define _MACHINE_PSL_H_ 39 40 /* 41 * Machine State Register (MSR) - All cores 42 */ 43 #define PSL_VEC 0x02000000UL /* AltiVec/SPE vector unit available */ 44 #define PSL_VSX 0x00800000UL /* Vector-Scalar unit available */ 45 #define PSL_EE 0x00008000UL /* external interrupt enable */ 46 #define PSL_PR 0x00004000UL /* privilege mode (1 == user) */ 47 #define PSL_FP 0x00002000UL /* floating point enable */ 48 #define PSL_ME 0x00001000UL /* machine check enable */ 49 #define PSL_FE0 0x00000800UL /* floating point interrupt mode 0 */ 50 #define PSL_FE1 0x00000100UL /* floating point interrupt mode 1 */ 51 #define PSL_PMM 0x00000004UL /* performance monitor mark */ 52 #define PSL_RI 0x00000002UL /* recoverable interrupt */ 53 54 /* Machine State Register - Book-E cores */ 55 #ifdef __powerpc64__ 56 #define PSL_CM 0x80000000UL /* Computation Mode (64-bit) */ 57 #endif 58 59 #define PSL_GS 0x10000000UL /* Guest state */ 60 #define PSL_UCLE 0x04000000UL /* User mode cache lock enable */ 61 #define PSL_WE 0x00040000UL /* Wait state enable */ 62 #define PSL_CE 0x00020000UL /* Critical interrupt enable */ 63 #define PSL_UBLE 0x00000400UL /* BTB lock enable - e500 only */ 64 #define PSL_DWE 0x00000400UL /* Debug Wait Enable - 440 only*/ 65 #define PSL_DE 0x00000200UL /* Debug interrupt enable */ 66 #define PSL_IS 0x00000020UL /* Instruction address space */ 67 #define PSL_DS 0x00000010UL /* Data address space */ 68 69 /* Machine State Register (MSR) - AIM cores */ 70 #ifdef __powerpc64__ 71 #define PSL_SF 0x8000000000000000UL /* 64-bit addressing */ 72 #define PSL_HV 0x1000000000000000UL /* hyper-privileged mode */ 73 #endif 74 75 #define PSL_POW 0x00040000UL /* power management */ 76 #define PSL_ILE 0x00010000UL /* interrupt endian mode (1 == le) */ 77 #define PSL_SE 0x00000400UL /* single-step trace enable */ 78 #define PSL_BE 0x00000200UL /* branch trace enable */ 79 #define PSL_IP 0x00000040UL /* interrupt prefix - 601 only */ 80 #define PSL_IR 0x00000020UL /* instruction address relocation */ 81 #define PSL_DR 0x00000010UL /* data address relocation */ 82 #define PSL_LE 0x00000001UL /* endian mode (1 == le) */ 83 84 /* 85 * Floating-point exception modes: 86 */ 87 #define PSL_FE_DIS 0 /* none */ 88 #define PSL_FE_NONREC PSL_FE1 /* imprecise non-recoverable */ 89 #define PSL_FE_REC PSL_FE0 /* imprecise recoverable */ 90 #define PSL_FE_PREC (PSL_FE0 | PSL_FE1) /* precise */ 91 #define PSL_FE_DFLT PSL_FE_DIS /* default == none */ 92 93 #ifndef LOCORE 94 extern register_t psl_kernset; /* Default MSR values for kernel */ 95 extern register_t psl_userset; /* Default MSR values for userland */ 96 #ifdef __powerpc64__ 97 extern register_t psl_userset32; /* Default user MSR values for 32-bit */ 98 #endif 99 extern register_t psl_userstatic; /* Bits of SRR1 userland may not set */ 100 #endif 101 102 #endif /* _MACHINE_PSL_H_ */ 103