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-rw-r--r--sys/alpha/include/pc/bios.h113
1 files changed, 113 insertions, 0 deletions
diff --git a/sys/alpha/include/pc/bios.h b/sys/alpha/include/pc/bios.h
new file mode 100644
index 000000000000..96c7db651b50
--- /dev/null
+++ b/sys/alpha/include/pc/bios.h
@@ -0,0 +1,113 @@
+/*-
+ * Copyright (c) 1997 Michael Smith
+ * 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.
+ * 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.
+ *
+ * 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.
+ *
+ * $Id$
+ */
+
+/*
+ * Signature structure for the BIOS32 Service Directory header
+ */
+struct bios32_SDheader
+{
+ u_int8_t sig[4];
+ u_int32_t entry;
+ u_int8_t revision;
+ u_int8_t len;
+ u_int8_t cksum;
+ u_int8_t pad[5];
+};
+
+/*
+ * BIOS32 Service Directory entry. Caller supplies name, bios32_SDlookup
+ * fills in the rest of the details.
+ */
+struct bios32_SDentry
+{
+ union
+ {
+ u_int8_t name[4]; /* service identifier */
+ u_int32_t id; /* as a 32-bit value */
+ } ident;
+ u_int32_t base; /* base of service */
+ u_int32_t len; /* service length */
+ u_int32_t entry; /* entrypoint offset from base */
+};
+
+extern int bios32_SDlookup(struct bios32_SDentry *ent);
+extern u_int32_t bios_sigsearch(u_int32_t start, u_char *sig, int siglen,
+ int paralen, int sigofs);
+
+/*
+ * Call a 32-bit BIOS function
+ */
+struct bios32_args {
+ u_long eax;
+ u_long ebx;
+ u_long ecx;
+ u_long edx;
+};
+extern void bios32(caddr_t func_addr, struct bios32_args *args);
+
+#define BIOS_PADDRTOVADDR(x) (((x) - ISA_HOLE_START) + atdevbase)
+#define BIOS_VADDRTOPADDR(x) (((x) - atdevbase) + ISA_HOLE_START)
+
+
+/*
+ * System Management BIOS / Desktop Management Interface tables
+ */
+
+struct DMI_table
+{
+ u_int8_t sig[5]; /* "_DMI_" */
+ u_int8_t cksum; /* checksum */
+ u_int16_t st_size; /* total length of SMBIOS table (bytes)*/
+ u_int32_t st_base; /* base address of the SMBIOS table (physical) */
+ u_int16_t st_entries; /* total number of structures present in the table */
+ u_int8_t bcd_revision; /* interface revision number */
+ u_int8_t pad[2];
+};
+
+struct SMBIOS_table
+{
+ u_int8_t sig[4]; /* "_SM_" */
+ u_int8_t cksum; /* checksum */
+ u_int8_t len; /* structure length */
+ u_int8_t major, minor; /* major/minor revision numbers */
+ u_int16_t st_maxsize; /* largest structure size (bytes) */
+ u_int8_t revision; /* entrypoint revision */
+ u_int8_t pad[5];
+ struct DMI_table dmi; /* follows immediately */
+};
+
+
+/*
+ * Exported lookup results
+ */
+extern struct bios32_SDentry PCIbios;
+extern struct SMBIOS_table *SMBIOS_table;
+extern struct DMI_table *DMI_table;
+
+
+