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authorTodd C. Miller <millert@cvs.openbsd.org>2002-06-28 01:29:21 +0000
committerTodd C. Miller <millert@cvs.openbsd.org>2002-06-28 01:29:21 +0000
commit1427daa5a1d54988b664f69c32ce70637c7aa534 (patch)
treec043a2ab97a8c0f5655cc0d36184a752db5f60d9 /sys/dev
parenta07c84a689c151fdbce6a9435b6f5ec5d7a63883 (diff)
actually, new new ahc uses these after all
Diffstat (limited to 'sys/dev')
-rw-r--r--sys/dev/microcode/aic7xxx/sequencer.h122
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