diff options
Diffstat (limited to 'drivers/scsi/aic7xxx/aicasm/aicasm_insformat.h')
| -rw-r--r-- | drivers/scsi/aic7xxx/aicasm/aicasm_insformat.h | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/drivers/scsi/aic7xxx/aicasm/aicasm_insformat.h b/drivers/scsi/aic7xxx/aicasm/aicasm_insformat.h new file mode 100644 index 00000000000..3e80f07df49 --- /dev/null +++ b/drivers/scsi/aic7xxx/aicasm/aicasm_insformat.h @@ -0,0 +1,131 @@ +/* + * 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. Redistributions in binary form must reproduce at minimum a disclaimer + * substantially similar to the "NO WARRANTY" disclaimer below + * ("Disclaimer") and any redistribution must be conditioned upon + * including a substantially similar Disclaimer requirement for further + * binary redistribution. + * 3. Neither the names of the above-listed copyright holders nor the names + * of any contributors may 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 General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + * NO WARRANTY + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDERS OR CONTRIBUTORS BE LIABLE FOR 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 DAMAGES. + * + * $Id: //depot/aic7xxx/aic7xxx/aicasm/aicasm_insformat.h#11 $ + * + * $FreeBSD$ + */ + +struct ins_format1 { +#if BYTE_ORDER == LITTLE_ENDIAN + uint32_t immediate : 8, + source : 9, + destination : 9, + ret : 1, + opcode : 4, + parity : 1; +#else + uint32_t parity : 1, + opcode : 4, + ret : 1, + destination : 9, + source : 9, + immediate : 8; +#endif +}; + +struct ins_format2 { +#if BYTE_ORDER == LITTLE_ENDIAN + uint32_t shift_control : 8, + source : 9, + destination : 9, + ret : 1, + opcode : 4, + parity : 1; +#else + uint32_t parity : 1, + opcode : 4, + ret : 1, + destination : 9, + source : 9, + shift_control : 8; +#endif +}; + +struct ins_format3 { +#if BYTE_ORDER == LITTLE_ENDIAN + uint32_t immediate : 8, + source : 9, + address : 10, + opcode : 4, + parity : 1; +#else + uint32_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; + uint8_t bytes[4]; + uint32_t integer; +}; +struct instruction { + union ins_formats format; + u_int srcline; + struct symbol *patch_label; + STAILQ_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 |