diff options
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/dev/microcode/aic7xxx/sequencer.h | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/sys/dev/microcode/aic7xxx/sequencer.h b/sys/dev/microcode/aic7xxx/sequencer.h new file mode 100644 index 00000000000..5389a33a8c6 --- /dev/null +++ b/sys/dev/microcode/aic7xxx/sequencer.h @@ -0,0 +1,122 @@ +/* $OpenBSD: sequencer.h,v 1.6 2002/06/28 01:29:20 millert Exp $ */ +/* + * Instruction formats for the sequencer program downloaded to + * Aic7xxx SCSI host adapters + * + * Copyright (c) 1997, 1998, 2000 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. + * 2. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * Alternatively, this software may be distributed under the terms of the + * GNU Public License ("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. + * + * $FreeBSD: src/sys/dev/aic7xxx/sequencer.h,v 1.6 1999/12/06 18:23:31 gibbs Exp $ + */ + +struct ins_format1 { +#if BYTE_ORDER == LITTLE_ENDIAN + u_int32_t immediate : 8, + source : 9, + destination : 9, + ret : 1, + opcode : 4, + parity : 1; +#else + u_int32_t parity : 1, + opcode : 4, + ret : 1, + destination : 9, + source : 9, + immediate : 8; +#endif +}; + +struct ins_format2 { +#if BYTE_ORDER == LITTLE_ENDIAN + u_int32_t shift_control : 8, + source : 9, + destination : 9, + ret : 1, + opcode : 4, + parity : 1; +#else + u_int32_t parity : 1, + opcode : 4, + ret : 1, + destination : 9, + source : 9, + shift_control : 8; +#endif +}; + +struct ins_format3 { +#if BYTE_ORDER == LITTLE_ENDIAN + u_int32_t immediate : 8, + source : 9, + address : 10, + opcode : 4, + parity : 1; +#else + u_int32_t 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; + u_int8_t bytes[4]; + u_int32_t integer; +}; +struct instruction { + union ins_formats format; + u_int srcline; + struct symbol *patch_label; + TAILQ_ENTRY(instruction) 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 |