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head/sys/boot/pc98/libpc98/pc98_sys.c
| Property | Old Value | New Value |
|---|---|---|
| svn:eol-style | null | native \ No newline at end of property |
| svn:keywords | null | FreeBSD=%H \ No newline at end of property |
| svn:mime-type | null | text/plain \ No newline at end of property |
| /*- | |||||
| * Copyright (c) 2009 TAKAHASHI Yoshihiro <nyan@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; | |||||
| } | |||||