svn commit: r200436 - in user/nyan/pc98/sys/boot/pc98: libpc98
loader
Takahashi Yoshihiro
nyan at FreeBSD.org
Sat Dec 12 13:08:48 UTC 2009
Author: nyan
Date: Sat Dec 12 13:08:47 2009
New Revision: 200436
URL: http://svn.freebsd.org/changeset/base/200436
Log:
Add setting machine type support to the loader.
Added:
user/nyan/pc98/sys/boot/pc98/libpc98/libpc98.h (contents, props changed)
user/nyan/pc98/sys/boot/pc98/libpc98/pc98_sys.c (contents, props changed)
Modified:
user/nyan/pc98/sys/boot/pc98/libpc98/Makefile
user/nyan/pc98/sys/boot/pc98/loader/main.c
Modified: user/nyan/pc98/sys/boot/pc98/libpc98/Makefile
==============================================================================
--- user/nyan/pc98/sys/boot/pc98/libpc98/Makefile Sat Dec 12 12:36:41 2009 (r200435)
+++ user/nyan/pc98/sys/boot/pc98/libpc98/Makefile Sat Dec 12 13:08:47 2009 (r200436)
@@ -7,7 +7,7 @@ INTERNALLIB=
SRCS= bioscd.c biosdisk.c biosmem.c biospnp.c biospci.c biossmap.c \
bootinfo.c bootinfo32.c comconsole.c devicename.c elf32_freebsd.c \
- i386_copy.c i386_module.c nullconsole.c pxe.c pxetramp.s \
+ i386_copy.c i386_module.c nullconsole.c pc98_sys.c pxe.c pxetramp.s \
time.c vidconsole.c
# Enable PXE TFTP or NFS support, not both.
Added: user/nyan/pc98/sys/boot/pc98/libpc98/libpc98.h
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ user/nyan/pc98/sys/boot/pc98/libpc98/libpc98.h Sat Dec 12 13:08:47 2009 (r200436)
@@ -0,0 +1,28 @@
+/*-
+ * Copyright (c) 2009 TAKAHASHI Yoshihiro <nyan at FreeBSD.org>
+ * 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.
+ *
+ */
+
+void set_machine_type(void);
Added: user/nyan/pc98/sys/boot/pc98/libpc98/pc98_sys.c
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ user/nyan/pc98/sys/boot/pc98/libpc98/pc98_sys.c Sat Dec 12 13:08:47 2009 (r200436)
@@ -0,0 +1,78 @@
+/*-
+ * Copyright (c) 2009 TAKAHASHI Yoshihiro <nyan at FreeBSD.org>
+ * 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.
+ *
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <btxv86.h>
+#include <machine/cpufunc.h>
+#define _KERNEL
+#include <pc98/pc98/pc98_machdep.h>
+
+/*
+ * Set machine type to PC98_SYSTEM_PARAMETER.
+ */
+void
+set_machine_type(void)
+{
+ int i;
+ u_long ret, data;
+
+ /* PC98_SYSTEM_PARAMETER (0x501) */
+ ret = ((*(u_char *)PTOV(0xA1501)) & 0x08) >> 3;
+
+ /* Wait V-SYNC */
+ while (inb(0x60) & 0x20) {}
+ while (!(inb(0x60) & 0x20)) {}
+
+ /* ANK 'A' font */
+ outb(0xa1, 0x00);
+ outb(0xa3, 0x41);
+
+ /* M_NORMAL, use CG window (all NEC OK) */
+ for (i = data = 0; i < 4; i++)
+ data += *((u_long *)PTOV(0xA4000) + i); /* 0xa4000 */
+ if (data == 0x6efc58fc) /* DA data */
+ ret |= M_NEC_PC98;
+ else
+ ret |= M_EPSON_PC98;
+ ret |= (inb(0x42) & 0x20) ? M_8M : 0;
+
+ /* PC98_SYSTEM_PARAMETER(0x400) */
+ if ((*(u_char *)PTOV(0xA1400)) & 0x80)
+ ret |= M_NOTE;
+ if (ret & M_NEC_PC98) {
+ /* PC98_SYSTEM_PARAMETER(0x458) */
+ if ((*(u_char *)PTOV(0xA1458)) & 0x80)
+ ret |= M_H98;
+ else
+ ret |= M_NOT_H98;
+ } else
+ ret |= M_NOT_H98;
+
+ (*(u_long *)PTOV(0xA1620)) = ret;
+}
Modified: user/nyan/pc98/sys/boot/pc98/loader/main.c
==============================================================================
--- user/nyan/pc98/sys/boot/pc98/loader/main.c Sat Dec 12 12:36:41 2009 (r200435)
+++ user/nyan/pc98/sys/boot/pc98/loader/main.c Sat Dec 12 13:08:47 2009 (r200436)
@@ -40,6 +40,7 @@ __FBSDID("$FreeBSD$");
#include "bootstrap.h"
#include "libi386/libi386.h"
+#include "libpc98/libpc98.h"
#include "btxv86.h"
#define KARGS_FLAGS_CD 0x1
@@ -81,6 +82,9 @@ main(void)
{
int i;
+ /* Set machine type to PC98_SYSTEM_PARAMETER. */
+ set_machine_type();
+
/* Pick up arguments */
kargs = (void *)__args;
initial_howto = kargs->howto;
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