7e92a81099
Ported to NetBSD by Pascal Renauld at Network Storage Solutions, Inc. Some Makefile changes by me. The 79xx code isn't yet used, driver for that to follow shortly.
132 lines
3.6 KiB
C
132 lines
3.6 KiB
C
/* $NetBSD: aicasm_insformat.h,v 1.1 2003/04/19 19:26:11 fvdl Exp $ */
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/*
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* Instruction formats for the sequencer program downloaded to
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* Aic7xxx SCSI host adapters
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*
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* Copyright (c) 1997, 1998, 2000 Justin T. Gibbs.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions, and the following disclaimer,
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* without modification.
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* 2. Redistributions in binary form must reproduce at minimum a disclaimer
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* substantially similar to the "NO WARRANTY" disclaimer below
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* ("Disclaimer") and any redistribution must be conditioned upon
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* including a substantially similar Disclaimer requirement for further
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* binary redistribution.
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* 3. Neither the names of the above-listed copyright holders nor the names
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* of any contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* Alternatively, this software may be distributed under the terms of the
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* GNU General Public License ("GPL") version 2 as published by the Free
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* Software Foundation.
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*
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* NO WARRANTY
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGES.
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*
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* $FreeBSD: src/sys/dev/aic7xxx/aicasm/aicasm_insformat.h,v 1.8 2002/11/27 07:06:43 scottl Exp $
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*/
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struct ins_format1 {
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#if BYTE_ORDER == LITTLE_ENDIAN
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uint32_t immediate : 8,
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source : 9,
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destination : 9,
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ret : 1,
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opcode : 4,
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parity : 1;
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#else
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uint32_t parity : 1,
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opcode : 4,
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ret : 1,
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destination : 9,
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source : 9,
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immediate : 8;
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#endif
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};
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struct ins_format2 {
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#if BYTE_ORDER == LITTLE_ENDIAN
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uint32_t shift_control : 8,
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source : 9,
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destination : 9,
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ret : 1,
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opcode : 4,
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parity : 1;
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#else
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uint32_t parity : 1,
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opcode : 4,
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ret : 1,
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destination : 9,
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source : 9,
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shift_control : 8;
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#endif
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};
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struct ins_format3 {
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#if BYTE_ORDER == LITTLE_ENDIAN
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uint32_t immediate : 8,
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source : 9,
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address : 10,
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opcode : 4,
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parity : 1;
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#else
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uint32_t parity : 1,
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opcode : 4,
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address : 10,
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source : 9,
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immediate : 8;
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#endif
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};
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union ins_formats {
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struct ins_format1 format1;
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struct ins_format2 format2;
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struct ins_format3 format3;
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uint8_t bytes[4];
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uint32_t integer;
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};
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struct instruction {
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union ins_formats format;
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u_int srcline;
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struct symbol *patch_label;
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STAILQ_ENTRY(instruction) links;
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};
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#define AIC_OP_OR 0x0
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#define AIC_OP_AND 0x1
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#define AIC_OP_XOR 0x2
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#define AIC_OP_ADD 0x3
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#define AIC_OP_ADC 0x4
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#define AIC_OP_ROL 0x5
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#define AIC_OP_BMOV 0x6
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#define AIC_OP_JMP 0x8
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#define AIC_OP_JC 0x9
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#define AIC_OP_JNC 0xa
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#define AIC_OP_CALL 0xb
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#define AIC_OP_JNE 0xc
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#define AIC_OP_JNZ 0xd
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#define AIC_OP_JE 0xe
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#define AIC_OP_JZ 0xf
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/* Pseudo Ops */
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#define AIC_OP_SHL 0x10
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#define AIC_OP_SHR 0x20
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#define AIC_OP_ROR 0x30
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