xref: /illumos-gate/usr/src/uts/sparc/v9/sys/vis_simulator.h (revision 4de2612967d06c4fdbf524a62556a1e8118a006f)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #ifndef	_SYS_VIS_SIMULATOR_H
28 #define	_SYS_VIS_SIMULATOR_H
29 
30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 /*
33  * VIS opf codes, instruction type
34  */
35 
36 #ifdef	__cplusplus
37 extern "C" {
38 #endif
39 
40 /* kstat structure for reporting kstats */
41 extern struct visinfo_kstat visinfo;
42 
43 typedef			/* typical VIS instruction. */
44 	struct {
45 	unsigned int		op	: 2;	/* Top two bits. */
46 	unsigned int		rd	: 5;	/* Destination. */
47 	unsigned int		op3	: 6;	/* Main op code. */
48 	unsigned int		rs1	: 5;	/* First operand. */
49 	unsigned int		opf	: 9;	/* Floating-point op code. */
50 	unsigned int		rs2	: 5;	/* Second operand. */
51 } vis_inst_type;
52 
53 enum vis_opf {		/* VIS opf codes. */
54 	edge8		= 0x0,
55 	edge8n		= 0x1,
56 	edge8l		= 0x2,
57 	edge8ln		= 0x3,
58 	edge16		= 0x4,
59 	edge16n		= 0x5,
60 	edge16l		= 0x6,
61 	edge16ln	= 0x7,
62 	edge32		= 0x8,
63 	edge32n		= 0x9,
64 	edge32l		= 0xa,
65 	edge32ln	= 0xb,
66 	array8		= 0x10,
67 	array16		= 0x12,
68 	array32		= 0x14,
69 	alignaddr	= 0x18,
70 	bmask		= 0x19,
71 	alignaddrl	= 0x1a,
72 	fcmple16	= 0x20,
73 	fcmpne16	= 0x22,
74 	fcmple32	= 0x24,
75 	fcmpne32	= 0x26,
76 	fcmpgt16	= 0x28,
77 	fcmpeq16	= 0x2a,
78 	fcmpgt32	= 0x2c,
79 	fcmpeq32	= 0x2e,
80 	fmul8x16	= 0x31,
81 	fmul8x16au	= 0x33,
82 	fmul8x16al	= 0x35,
83 	fmul8sux16	= 0x36,
84 	fmul8ulx16	= 0x37,
85 	fmuld8sux16	= 0x38,
86 	fmuld8ulx16	= 0x39,
87 	fpack32		= 0x3a,
88 	fpack16		= 0x3b,
89 	fpackfix	= 0x3d,
90 	pdist		= 0x3e,
91 	faligndata	= 0x48,
92 	fpmerge		= 0x4b,
93 	bshuffle	= 0x4c,
94 	fexpand		= 0x4d,
95 	fpadd16		= 0x50,
96 	fpadd16s	= 0x51,
97 	fpadd32		= 0x52,
98 	fpadd32s	= 0x53,
99 	fpsub16		= 0x54,
100 	fpsub16s	= 0x55,
101 	fpsub32		= 0x56,
102 	fpsub32s	= 0x57,
103 	fzero		= 0x60,
104 	fzeros		= 0x61,
105 	fnor		= 0x62,
106 	fnors		= 0x63,
107 	fandnot2	= 0x64,
108 	fandnot2s	= 0x65,
109 	fnot2		= 0x66,
110 	fnot2s		= 0x67,
111 	fandnot1	= 0x68,
112 	fandnot1s	= 0x69,
113 	fnot1		= 0x6a,
114 	fnot1s		= 0x6b,
115 	fxor		= 0x6c,
116 	fxors		= 0x6d,
117 	fnand		= 0x6e,
118 	fnands		= 0x6f,
119 	fand		= 0x70,
120 	fands		= 0x71,
121 	fxnor		= 0x72,
122 	fxnors		= 0x73,
123 	fsrc1		= 0x74,
124 	fsrc1s		= 0x75,
125 	fornot2		= 0x76,
126 	fornot2s	= 0x77,
127 	fsrc2		= 0x78,
128 	fsrc2s		= 0x79,
129 	fornot1		= 0x7a,
130 	fornot1s	= 0x7b,
131 	for_op		= 0x7c,		/* compiler does not like the use */
132 	fors_op		= 0x7d,		/* of the key word "for" ! */
133 	fone		= 0x7e,
134 	fones		= 0x7f,
135 	siam		= 0x81
136 };
137 
138 #define	GSR_ALIGN_MASK	UINT64_C(0x0000000000000007)
139 #define	GSR_ALIGN_SHIFT	0
140 #define	GSR_SCALE_MASK	UINT64_C(0x00000000000000f8)
141 #define	GSR_SCALE_SHIFT	3
142 #define	GSR_IRND_MASK	UINT64_C(0x0000000006000000)
143 #define	GSR_IRND_SHIFT	25
144 #define	GSR_IM_MASK	UINT64_C(0x0000000008000000)
145 #define	GSR_IM_SHIFT	27
146 #define	GSR_MASK_MASK	UINT64_C(0xffffffff00000000)
147 #define	GSR_MASK_SHIFT	32
148 
149 #define	GSR_IM_IRND_MASK	(GSR_IM_MASK | GSR_IRND_MASK)
150 #define	GSR_ALIGN(gsr)	((gsr & GSR_ALIGN_MASK) >> GSR_ALIGN_SHIFT)
151 #define	GSR_SCALE(gsr)	((gsr & GSR_SCALE_MASK) >> GSR_SCALE_SHIFT)
152 #define	GSR_IRND(gsr)	((gsr & GSR_IRND_MASK) >> GSR_IRND_SHIFT)
153 #define	GSR_IM(gsr)	((gsr & GSR_IM_MASK) >> GSR_IM_SHIFT)
154 #define	GSR_MASK(gsr)	((gsr & GSR_MASK_MASK) >> GSR_MASK_SHIFT)
155 
156 /* PUBLIC FUNCTIONS */
157 
158 /*
159  * vis_fpu_simulator simulates VIS FPU instructions only; reads and writes
160  * FPU data registers directly.
161  */
162 
163 extern enum ftt_type vis_fpu_simulator(fp_simd_type *, fp_inst_type,
164 			struct regs *, void *, kfpu_t *);
165 
166 /*
167  * Simulator for VIS loads and stores between floating-point unit and memory.
168  */
169 enum ftt_type vis_fldst(fp_simd_type *, fp_inst_type, struct regs *,
170 			void *, unsigned);
171 
172 /*
173  * Simulator for rd %gsr instruction.
174  */
175 enum ftt_type vis_rdgsr(fp_simd_type *, fp_inst_type, struct regs *,
176 			void *, kfpu_t *);
177 
178 /*
179  * Simulator for wr %gsr instruction.
180  */
181 enum ftt_type vis_wrgsr(fp_simd_type *, fp_inst_type, struct regs *,
182 			void *, kfpu_t *);
183 
184 #ifdef	__cplusplus
185 }
186 #endif
187 
188 #endif	/* _SYS_VIS_SIMULATOR_H */
189