[linux-2.6] / drivers / scsi / aic7xxx_old / sequencer.h

/*
 * Instruction formats for the sequencer program downloaded to
 * Aic7xxx SCSI host adapters
 *
 * Copyright (c) 1997, 1998 Justin T. Gibbs.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions, and the following disclaimer,
 *    without modification, immediately at the beginning of the file.
 * 2. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * Where this Software is combined with software released under the terms of 
 * the GNU General Public License ("GPL") and the terms of the GPL would require the 
 * combined work to also be released under the terms of the GPL, the terms
 * and conditions of this License will apply in addition to those of the
 * GPL with the exception of any terms or conditions of this License that
 * conflict with, or are expressly prohibited by, the GPL.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *      $Id: sequencer.h,v 1.3 1997/09/27 19:37:31 gibbs Exp $
 */

#ifdef __LITTLE_ENDIAN_BITFIELD
struct ins_format1 {
	unsigned int
			immediate	: 8,
			source		: 9,
			destination	: 9,
			ret		: 1,
			opcode		: 4,
			parity		: 1;
};

struct ins_format2 {
	unsigned int
			shift_control	: 8,
			source		: 9,
			destination	: 9,
			ret		: 1,
			opcode		: 4,
			parity		: 1;
};

struct ins_format3 {
	unsigned int
			immediate	: 8,
			source		: 9,
			address		: 10,
			opcode		: 4,
			parity		: 1;
};
#elif defined(__BIG_ENDIAN_BITFIELD)
struct ins_format1 {
	unsigned int
			parity		: 1,
			opcode		: 4,
			ret		: 1,
			destination	: 9,
			source		: 9,
			immediate	: 8;
};

struct ins_format2 {
	unsigned int
			parity		: 1,
			opcode		: 4,
			ret		: 1,
			destination	: 9,
			source		: 9,
			shift_control	: 8;
};

struct ins_format3 {
	unsigned int
			parity		: 1,
			opcode		: 4,
			address		: 10,
			source		: 9,
			immediate	: 8;
};
#endif

union ins_formats {
		struct ins_format1 format1;
		struct ins_format2 format2;
		struct ins_format3 format3;
		unsigned char	   bytes[4];
		unsigned int	   integer;
};
struct instruction {
	union	ins_formats format;
	unsigned int	srcline;
	struct symbol *patch_label;
  struct {
    struct instruction *stqe_next;
  } links;
};

#define	AIC_OP_OR	0x0
#define	AIC_OP_AND	0x1
#define AIC_OP_XOR	0x2
#define	AIC_OP_ADD	0x3
#define	AIC_OP_ADC	0x4
#define	AIC_OP_ROL	0x5
#define	AIC_OP_BMOV	0x6

#define	AIC_OP_JMP	0x8
#define AIC_OP_JC	0x9
#define AIC_OP_JNC	0xa
#define AIC_OP_CALL	0xb
#define	AIC_OP_JNE	0xc
#define	AIC_OP_JNZ	0xd
#define	AIC_OP_JE	0xe
#define	AIC_OP_JZ	0xf

/* Pseudo Ops */
#define	AIC_OP_SHL	0x10
#define	AIC_OP_SHR	0x20
#define	AIC_OP_ROR	0x30
Commit	Line	Data
1da177e4 LT	1	/*
	2	* Instruction formats for the sequencer program downloaded to
	3	* Aic7xxx SCSI host adapters
	4	*
	5	* Copyright (c) 1997, 1998 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, immediately at the beginning of the file.
	14	* 2. The name of the author may not be used to endorse or promote products
	15	* derived from this software without specific prior written permission.
	16	*
	17	* Where this Software is combined with software released under the terms of
	18	* the GNU General Public License ("GPL") and the terms of the GPL would require the
	19	* combined work to also be released under the terms of the GPL, the terms
	20	* and conditions of this License will apply in addition to those of the
	21	* GPL with the exception of any terms or conditions of this License that
	22	* conflict with, or are expressly prohibited by, the GPL.
	23	*
	24	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
	25	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	26	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	27	* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
	28	* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	29	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	30	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	31	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	32	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	33	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	34	* SUCH DAMAGE.
	35	*
	36	* $Id: sequencer.h,v 1.3 1997/09/27 19:37:31 gibbs Exp $
	37	*/
	38
	39	#ifdef __LITTLE_ENDIAN_BITFIELD
	40	struct ins_format1 {
	41	unsigned int
	42	immediate : 8,
	43	source : 9,
	44	destination : 9,
	45	ret : 1,
	46	opcode : 4,
	47	parity : 1;
	48	};
	49
	50	struct ins_format2 {
	51	unsigned int
	52	shift_control : 8,
	53	source : 9,
	54	destination : 9,
	55	ret : 1,
	56	opcode : 4,
	57	parity : 1;
	58	};
	59
	60	struct ins_format3 {
	61	unsigned int
	62	immediate : 8,
	63	source : 9,
	64	address : 10,
65	opcode : 4,
66	parity : 1;
67	};
68	#elif defined(__BIG_ENDIAN_BITFIELD)
69	struct ins_format1 {
70	unsigned int
71	parity : 1,
72	opcode : 4,
73	ret : 1,
74	destination : 9,
75	source : 9,
76	immediate : 8;
77	};
78
79	struct ins_format2 {
80	unsigned int
81	parity : 1,
82	opcode : 4,
83	ret : 1,
84	destination : 9,
85	source : 9,
86	shift_control : 8;
87	};
88
89	struct ins_format3 {
90	unsigned int
91	parity : 1,
92	opcode : 4,
93	address : 10,
94	source : 9,
95	immediate : 8;
96	};
97	#endif
98
99	union ins_formats {
100	struct ins_format1 format1;
101	struct ins_format2 format2;
102	struct ins_format3 format3;
103	unsigned char bytes[4];
104	unsigned int integer;
105	};
106	struct instruction {
107	union ins_formats format;
108	unsigned int srcline;
109	struct symbol *patch_label;
110	struct {
111	struct instruction *stqe_next;
112	} links;
113	};
114
115	#define AIC_OP_OR 0x0
116	#define AIC_OP_AND 0x1
117	#define AIC_OP_XOR 0x2
118	#define AIC_OP_ADD 0x3
119	#define AIC_OP_ADC 0x4
120	#define AIC_OP_ROL 0x5
121	#define AIC_OP_BMOV 0x6
122
123	#define AIC_OP_JMP 0x8
124	#define AIC_OP_JC 0x9
125	#define AIC_OP_JNC 0xa
126	#define AIC_OP_CALL 0xb
127	#define AIC_OP_JNE 0xc
128	#define AIC_OP_JNZ 0xd
129	#define AIC_OP_JE 0xe
130	#define AIC_OP_JZ 0xf
131
132	/* Pseudo Ops */
133	#define AIC_OP_SHL 0x10
134	#define AIC_OP_SHR 0x20
135	#define AIC_OP_ROR 0x30