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Diffstat (limited to 'drivers/scsi/aic7xxx/aicasm/aicasm_insformat.h')
-rw-r--r--drivers/scsi/aic7xxx/aicasm/aicasm_insformat.h131
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diff --git a/drivers/scsi/aic7xxx/aicasm/aicasm_insformat.h b/drivers/scsi/aic7xxx/aicasm/aicasm_insformat.h
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+++ b/drivers/scsi/aic7xxx/aicasm/aicasm_insformat.h
@@ -0,0 +1,131 @@
1/*
2 * Instruction formats for the sequencer program downloaded to
3 * Aic7xxx SCSI host adapters
4 *
5 * Copyright (c) 1997, 1998, 2000 Justin T. Gibbs.
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 * without modification.
14 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
15 * substantially similar to the "NO WARRANTY" disclaimer below
16 * ("Disclaimer") and any redistribution must be conditioned upon
17 * including a substantially similar Disclaimer requirement for further
18 * binary redistribution.
19 * 3. Neither the names of the above-listed copyright holders nor the names
20 * of any contributors may be used to endorse or promote products derived
21 * from this software without specific prior written permission.
22 *
23 * Alternatively, this software may be distributed under the terms of the
24 * GNU General Public License ("GPL") version 2 as published by the Free
25 * Software Foundation.
26 *
27 * NO WARRANTY
28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
29 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
30 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
31 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
32 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
36 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
37 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
38 * POSSIBILITY OF SUCH DAMAGES.
39 *
40 * $Id: //depot/aic7xxx/aic7xxx/aicasm/aicasm_insformat.h#11 $
41 *
42 * $FreeBSD$
43 */
44
45struct ins_format1 {
46#if BYTE_ORDER == LITTLE_ENDIAN
47 uint32_t immediate : 8,
48 source : 9,
49 destination : 9,
50 ret : 1,
51 opcode : 4,
52 parity : 1;
53#else
54 uint32_t parity : 1,
55 opcode : 4,
56 ret : 1,
57 destination : 9,
58 source : 9,
59 immediate : 8;
60#endif
61};
62
63struct ins_format2 {
64#if BYTE_ORDER == LITTLE_ENDIAN
65 uint32_t shift_control : 8,
66 source : 9,
67 destination : 9,
68 ret : 1,
69 opcode : 4,
70 parity : 1;
71#else
72 uint32_t parity : 1,
73 opcode : 4,
74 ret : 1,
75 destination : 9,
76 source : 9,
77 shift_control : 8;
78#endif
79};
80
81struct ins_format3 {
82#if BYTE_ORDER == LITTLE_ENDIAN
83 uint32_t immediate : 8,
84 source : 9,
85 address : 10,
86 opcode : 4,
87 parity : 1;
88#else
89 uint32_t parity : 1,
90 opcode : 4,
91 address : 10,
92 source : 9,
93 immediate : 8;
94#endif
95};
96
97union ins_formats {
98 struct ins_format1 format1;
99 struct ins_format2 format2;
100 struct ins_format3 format3;
101 uint8_t bytes[4];
102 uint32_t integer;
103};
104struct instruction {
105 union ins_formats format;
106 u_int srcline;
107 struct symbol *patch_label;
108 STAILQ_ENTRY(instruction) links;
109};
110
111#define AIC_OP_OR 0x0
112#define AIC_OP_AND 0x1
113#define AIC_OP_XOR 0x2
114#define AIC_OP_ADD 0x3
115#define AIC_OP_ADC 0x4
116#define AIC_OP_ROL 0x5
117#define AIC_OP_BMOV 0x6
118
119#define AIC_OP_JMP 0x8
120#define AIC_OP_JC 0x9
121#define AIC_OP_JNC 0xa
122#define AIC_OP_CALL 0xb
123#define AIC_OP_JNE 0xc
124#define AIC_OP_JNZ 0xd
125#define AIC_OP_JE 0xe
126#define AIC_OP_JZ 0xf
127
128/* Pseudo Ops */
129#define AIC_OP_SHL 0x10
130#define AIC_OP_SHR 0x20
131#define AIC_OP_ROR 0x30