Added pc98 apm driver.

Submitted by:	MURAMATSU Atsushi <amura@ma3.seikyou.ne.jp>

sys/pc98/apm/apm.h

@@ -0,0 +1,49 @@
+/*
+ * APM (Advanced Power Management) BIOS Device Driver
+ *
+ * Copyright (c) 1994 UKAI, Fumitoshi.
+ * Copyright (c) 1994-1995 by HOSOKAWA, Tatsumi <hosokawa@jp.FreeBSD.org>
+ * Copyright (c) 1996 Nate Williams <nate@FreeBSD.org>
+ * Copyright (c) 1997 Poul-Henning Kamp <phk@FreeBSD.org>
+ *
+ * This software may be used, modified, copied, and distributed, in
+ * both source and binary form provided that the above copyright and
+ * these terms are retained. Under no circumstances is the author
+ * responsible for the proper functioning of this software, nor does
+ * the author assume any responsibility for damages incurred with its
+ * use.
+ *
+ * Sep, 1994	Implemented on FreeBSD 1.1.5.1R (Toshiba AVS001WD)
+ *
+ * $FreeBSD$
+ */
+
+#define APM_NEVENTS 16
+#define APM_NPMEV   13
+
+/* static data */
+struct apm_softc {
+#ifdef PC98
+	bus_space_tag_t		sc_iot;
+	bus_space_handle_t	sc_ioh;
+	struct resource 	*sc_res;
+#endif
+	int	initialized, active, bios_busy;
+	int	always_halt_cpu, slow_idle_cpu;
+	int	disabled, disengaged;
+	int	suspending;
+	int	standby_countdown, suspend_countdown;
+	u_int	minorversion, majorversion;
+	u_int	intversion, connectmode;
+	u_int	standbys, suspends;
+	struct bios_args bios;
+	struct apmhook sc_suspend;
+	struct apmhook sc_resume;
+	struct selinfo sc_rsel;
+	int	sc_flags;
+	int	event_count;
+	int	event_ptr;
+	struct	apm_event_info event_list[APM_NEVENTS];
+	u_char	event_filter[APM_NPMEV];
+};
+

sys/pc98/apm/apm_bioscall.s

@@ -0,0 +1,89 @@
+/*-
+ * Copyright (c) 1997 Jonathan Lemon
+ * 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.
+ *
+ * $FreeBSD$
+ */
+
+/*
+ * Functions for calling x86 BIOS functions from the BSD kernel
+ */
+	
+#include <machine/asmacros.h>
+
+#include "assym.s"
+
+	.text
+
+/*
+ * bios32_apm98(regs, offset, segment)
+ *	struct bios_regs *regs;
+ *	u_int offset;
+ * 	u_short segment;
+ */
+ENTRY(bios32_apm98)
+	pushl	%ebp
+	movl	16(%esp),%ebp
+	mov	%bp,_bioscall_vector+4
+	movl	12(%esp),%ebp
+	movl	%ebp,_bioscall_vector
+	movl	8(%esp),%ebp
+	pushl	%ebx
+	pushl	%esi
+	pushl	%edi
+	movl	0(%ebp),%eax
+	movl	4(%ebp),%ebx
+	movl	8(%ebp),%ecx
+	movl	12(%ebp),%edx
+	movl	16(%ebp),%esi
+	movl	20(%ebp),%edi
+	pushl	%ebp
+	pushfl
+	cli
+	lcall	*_bioscall_vector
+	movl	%eax,%edi
+	movl	%edx,%esi
+	lahf
+	movl	apm_necsmm_addr,%edx
+	andl	%edx,%edx
+	jz	9f
+	inb	%dx,%al
+	andl	apm_necsmm_mask,%eax
+	outb	%al,%dx
+9:	
+	sti
+	popl	%ebp
+	movl	%edi,0(%ebp)
+	movl	%ebx,4(%ebp)
+	movl	%ecx,8(%ebp)
+	movl	%esi,12(%ebp)
+	movl	$0,16(%ebp)	/* esi is cannot get */
+	movl	$0,20(%ebp)	/* edi is cannot get */
+	movl	%edi,%eax
+	andl	$0x100,%eax
+	popl	%edi
+	popl	%esi
+	popl	%ebx
+	popl	%ebp
+	ret