zig

fork of https://codeberg.org/ziglang/zig
Log | Files | Refs | README | LICENSE

psl.h (4551B) - Raw


      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  */
     35 
     36 #ifndef	_MACHINE_PSL_H_
     37 #define	_MACHINE_PSL_H_
     38 
     39 /*
     40  * Machine State Register (MSR) - All cores
     41  */
     42 #define	PSL_VEC		0x02000000UL	/* AltiVec/SPE vector unit available */
     43 #define	PSL_VSX		0x00800000UL	/* Vector-Scalar unit available */
     44 #define	PSL_EE		0x00008000UL	/* external interrupt enable */
     45 #define	PSL_PR		0x00004000UL	/* privilege mode (1 == user) */
     46 #define	PSL_FP		0x00002000UL	/* floating point enable */
     47 #define	PSL_ME		0x00001000UL	/* machine check enable */
     48 #define	PSL_FE0		0x00000800UL	/* floating point interrupt mode 0 */
     49 #define	PSL_FE1		0x00000100UL	/* floating point interrupt mode 1 */
     50 #define	PSL_PMM		0x00000004UL	/* performance monitor mark */
     51 #define	PSL_RI		0x00000002UL	/* recoverable interrupt */
     52 
     53 /* Machine State Register - Book-E cores */
     54 #ifdef __powerpc64__
     55 #define	PSL_CM		0x80000000UL	/* Computation Mode (64-bit) */
     56 #endif
     57 
     58 #define PSL_GS		0x10000000UL	/* Guest state */
     59 #define PSL_UCLE	0x04000000UL	/* User mode cache lock enable */
     60 #define PSL_WE		0x00040000UL	/* Wait state enable */
     61 #define PSL_CE		0x00020000UL	/* Critical interrupt enable */
     62 #define PSL_UBLE	0x00000400UL	/* BTB lock enable - e500 only */
     63 #define PSL_DWE		0x00000400UL	/* Debug Wait Enable - 440 only*/
     64 #define PSL_DE		0x00000200UL	/* Debug interrupt enable */
     65 #define PSL_IS		0x00000020UL	/* Instruction address space */
     66 #define PSL_DS		0x00000010UL	/* Data address space */
     67 
     68 /* Machine State Register (MSR) - AIM cores */
     69 #ifdef __powerpc64__
     70 #define PSL_SF		0x8000000000000000UL	/* 64-bit addressing */
     71 #define PSL_HV		0x1000000000000000UL	/* hyper-privileged mode */
     72 #endif
     73 
     74 #define	PSL_POW		0x00040000UL	/* power management */
     75 #define	PSL_ILE		0x00010000UL	/* interrupt endian mode (1 == le) */
     76 #define	PSL_SE		0x00000400UL	/* single-step trace enable */
     77 #define	PSL_BE		0x00000200UL	/* branch trace enable */
     78 #define	PSL_IP		0x00000040UL	/* interrupt prefix - 601 only */
     79 #define	PSL_IR		0x00000020UL	/* instruction address relocation */
     80 #define	PSL_DR		0x00000010UL	/* data address relocation */
     81 #define	PSL_LE		0x00000001UL	/* endian mode (1 == le) */
     82 
     83 /*
     84  * Floating-point exception modes:
     85  */
     86 #define	PSL_FE_DIS	0		/* none */
     87 #define	PSL_FE_NONREC	PSL_FE1		/* imprecise non-recoverable */
     88 #define	PSL_FE_REC	PSL_FE0		/* imprecise recoverable */
     89 #define	PSL_FE_PREC	(PSL_FE0 | PSL_FE1) /* precise */
     90 #define	PSL_FE_DFLT	PSL_FE_PREC	/* default == precise */
     91 
     92 #ifndef LOCORE
     93 extern register_t psl_kernset;		/* Default MSR values for kernel */
     94 extern register_t psl_userset;		/* Default MSR values for userland */
     95 #ifdef __powerpc64__
     96 extern register_t psl_userset32;	/* Default user MSR values for 32-bit */
     97 #endif
     98 extern register_t psl_userstatic;	/* Bits of SRR1 userland may not set */
     99 #endif
    100 
    101 #endif	/* _MACHINE_PSL_H_ */