xref: /freebsd/sys/powerpc/include/psl.h (revision 7d8f797b725e3efc0a4256554654780df83c456c)
1 /*-
2  * Copyright (C) 1995, 1996 Wolfgang Solfrank.
3  * Copyright (C) 1995, 1996 TooLs GmbH.
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  * 3. All advertising materials mentioning features or use of this software
15  *    must display the following acknowledgement:
16  *	This product includes software developed by TooLs GmbH.
17  * 4. The name of TooLs GmbH may not be used to endorse or promote products
18  *    derived from this software without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
21  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23  * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
25  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
26  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
27  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
28  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
29  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30  *
31  *	$NetBSD: psl.h,v 1.5 2000/11/19 19:52:37 matt Exp $
32  * $FreeBSD$
33  */
34 
35 #ifndef	_MACHINE_PSL_H_
36 #define	_MACHINE_PSL_H_
37 
38 /*
39  * Machine State Register (MSR) - All cores
40  */
41 #define	PSL_VEC		0x02000000UL	/* AltiVec/SPE vector unit available */
42 #define	PSL_VSX		0x00800000UL	/* Vector-Scalar unit available */
43 #define	PSL_EE		0x00008000UL	/* external interrupt enable */
44 #define	PSL_PR		0x00004000UL	/* privilege mode (1 == user) */
45 #define	PSL_FP		0x00002000UL	/* floating point enable */
46 #define	PSL_ME		0x00001000UL	/* machine check enable */
47 #define	PSL_FE0		0x00000800UL	/* floating point interrupt mode 0 */
48 #define	PSL_BE		0x00000200UL	/* branch trace enable */
49 #define	PSL_FE1		0x00000100UL	/* floating point interrupt mode 1 */
50 #define	PSL_PMM		0x00000004UL	/* performance monitor mark */
51 
52 /* Machine State Register - Book-E cores */
53 #define PSL_UCLE	0x04000000UL	/* User mode cache lock enable */
54 #define PSL_WE		0x00040000UL	/* Wait state enable */
55 #define PSL_CE		0x00020000UL	/* Critical interrupt enable */
56 #define PSL_UBLE	0x00000400UL	/* BTB lock enable - e500 only */
57 #define PSL_DWE		0x00000400UL	/* Debug Wait Enable - 440 only*/
58 #define PSL_DE		0x00000200UL	/* Debug interrupt enable */
59 #define PSL_IS		0x00000020UL	/* Instruction address space */
60 #define PSL_DS		0x00000010UL	/* Data address space */
61 
62 /* Machine State Register (MSR) - AIM cores */
63 #ifdef __powerpc64__
64 #define PSL_SF		0x8000000000000000UL	/* 64-bit addressing */
65 #define PSL_HV		0x1000000000000000UL	/* hyper-privileged mode */
66 #endif
67 
68 #define	PSL_POW		0x00040000UL	/* power management */
69 #define	PSL_ILE		0x00010000UL	/* interrupt endian mode (1 == le) */
70 #define	PSL_SE		0x00000400UL	/* single-step trace enable */
71 #define	PSL_IP		0x00000040UL	/* interrupt prefix - 601 only */
72 #define	PSL_IR		0x00000020UL	/* instruction address relocation */
73 #define	PSL_DR		0x00000010UL	/* data address relocation */
74 #define	PSL_RI		0x00000002UL	/* recoverable interrupt */
75 #define	PSL_LE		0x00000001UL	/* endian mode (1 == le) */
76 
77 /*
78  * Floating-point exception modes:
79  */
80 #define	PSL_FE_DIS	0		/* none */
81 #define	PSL_FE_NONREC	PSL_FE1		/* imprecise non-recoverable */
82 #define	PSL_FE_REC	PSL_FE0		/* imprecise recoverable */
83 #define	PSL_FE_PREC	(PSL_FE0 | PSL_FE1) /* precise */
84 #define	PSL_FE_DFLT	PSL_FE_DIS	/* default == none */
85 
86 #if defined(BOOKE_E500)
87 /* Initial kernel MSR, use IS=1 ad DS=1. */
88 #define PSL_KERNSET_INIT	(PSL_IS | PSL_DS)
89 #define PSL_KERNSET		(PSL_CE | PSL_ME | PSL_EE)
90 #define PSL_SRR1_MASK	0x00000000UL	/* No mask on Book-E */
91 #elif defined(BOOKE_PPC4XX)
92 #define PSL_KERNSET	(PSL_CE | PSL_ME | PSL_EE | PSL_FP)
93 #define PSL_SRR1_MASK	0x00000000UL	/* No mask on Book-E */
94 #elif defined(AIM)
95 #ifdef __powerpc64__
96 #define	PSL_KERNSET	(PSL_SF | PSL_EE | PSL_ME | PSL_IR | PSL_DR | PSL_RI)
97 #else
98 #define	PSL_KERNSET	(PSL_EE | PSL_ME | PSL_IR | PSL_DR | PSL_RI)
99 #endif
100 #define PSL_SRR1_MASK	0x783f0000UL	/* Bits 1-4, 10-15 (ppc32), 33-36, 42-47 (ppc64) */
101 #endif
102 
103 #define	PSL_USERSET	(PSL_KERNSET | PSL_PR)
104 #define	PSL_USERSTATIC	(~(PSL_VEC | PSL_FP | PSL_FE0 | PSL_FE1) & ~PSL_SRR1_MASK)
105 
106 #endif	/* _MACHINE_PSL_H_ */
107