patch-2.1.48 linux/drivers/scsi/aic7xxx/sequencer.h

• Lines: 103
• Date: Thu Jul 31 12:37:17 1997
• Orig file: v2.1.47/linux/drivers/scsi/aic7xxx/sequencer.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.1.47/linux/drivers/scsi/aic7xxx/sequencer.h linux/drivers/scsi/aic7xxx/sequencer.h
@@ -0,0 +1,102 @@
+/*
+ * Instruction formats for the sequencer program downloaded to
+ * Aic7xxx SCSI host adapters
+ *
+ * Copyright (c) 1997 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. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. 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 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 1.2 1997/06/27 19:38:52 gibbs Exp $
+ */
+
+#if defined(__KERNEL__)
+typedef unsigned char u_int8_t;
+#endif
+
+struct ins_format1 {
+	u_int8_t immediate;
+	u_int8_t source;
+	u_int8_t destination;
+	u_int8_t opcode_ret;
+};
+
+struct ins_format2 {
+	u_int8_t shift_control;
+	u_int8_t source;
+	u_int8_t destination;
+	u_int8_t opcode_ret;
+#define RETURN_BIT 0x01
+};
+
+struct ins_format3 {
+	u_int8_t immediate;
+	u_int8_t source;
+	u_int8_t address;
+	u_int8_t opcode_addr;
+#define ADDR_HIGH_BIT 0x01
+};
+
+struct instruction {
+	union {
+		struct ins_format1 format1;
+		struct ins_format2 format2;
+		struct ins_format3 format3;
+		u_int8_t	   bytes[4];
+	} format;
+	u_int	srcline;
+	struct symbol *patch_label;
+	struct {
+		struct instruction *stqe_next; /* next element */
+	} 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_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