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author | obrien <obrien@FreeBSD.org> | 2004-02-16 23:47:02 +0000 |
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committer | obrien <obrien@FreeBSD.org> | 2004-02-16 23:47:02 +0000 |
commit | aa6fd8453d328d418a384fa01af5cd4c58f417c9 (patch) | |
tree | a056e64d20a9b8672b5b5d588890e79ff8a414f4 /sys/boot | |
parent | 34c0340ed86eb3d2901aed4587dc5863cbcdd863 (diff) | |
download | FreeBSD-src-aa6fd8453d328d418a384fa01af5cd4c58f417c9.zip FreeBSD-src-aa6fd8453d328d418a384fa01af5cd4c58f417c9.tar.gz |
Fix the AMD64 build: this file shouldn't exist.
Diffstat (limited to 'sys/boot')
-rw-r--r-- | sys/boot/i386/boot2/sio.S | 80 |
1 files changed, 0 insertions, 80 deletions
diff --git a/sys/boot/i386/boot2/sio.S b/sys/boot/i386/boot2/sio.S deleted file mode 100644 index e298205..0000000 --- a/sys/boot/i386/boot2/sio.S +++ /dev/null @@ -1,80 +0,0 @@ -# -# Copyright (c) 1998 Robert Nordier -# All rights reserved. -# -# Redistribution and use in source and binary forms are freely -# permitted provided that the above copyright notice and this -# paragraph and the following disclaimer are duplicated in all -# such forms. -# -# This software is provided "AS IS" and without any express or -# implied warranties, including, without limitation, the implied -# warranties of merchantability and fitness for a particular -# purpose. -# - -# $FreeBSD$ - - .set SIO_PRT,SIOPRT # Base port - .set SIO_FMT,SIOFMT # 8N1 - .set SIO_DIV,(115200/SIOSPD) # 115200 / SPD - - .globl sio_init - .globl sio_flush - .globl sio_putc - .globl sio_getc - .globl sio_ischar - -# void sio_init(void) - -sio_init: movw $SIO_PRT+0x3,%dx # Data format reg - movb $SIO_FMT|0x80,%al # Set format - outb %al,(%dx) # and DLAB - pushl %edx # Save - subb $0x3,%dl # Divisor latch reg - movw $SIO_DIV,%ax # Set - outw %ax,(%dx) # BPS - popl %edx # Restore - movb $SIO_FMT,%al # Clear - outb %al,(%dx) # DLAB - incl %edx # Modem control reg - movb $0x3,%al # Set RTS, - outb %al,(%dx) # DTR - incl %edx # Line status reg - -# void sio_flush(void) - -sio_flush.0: call sio_getc.1 # Get character -sio_flush: call sio_ischar # Check for character - jnz sio_flush.0 # Till none - ret # To caller - -# void sio_putc(int c) - -sio_putc: movw $SIO_PRT+0x5,%dx # Line status reg - xor %ecx,%ecx # Timeout - movb $0x40,%ch # counter -sio_putc.1: inb (%dx),%al # Transmitter - testb $0x20,%al # buffer empty? - loopz sio_putc.1 # No - jz sio_putc.2 # If timeout - movb 0x4(%esp,1),%al # Get character - subb $0x5,%dl # Transmitter hold reg - outb %al,(%dx) # Write character -sio_putc.2: ret $0x4 # To caller - -# int sio_getc(void) - -sio_getc: call sio_ischar # Character available? - jz sio_getc # No -sio_getc.1: subb $0x5,%dl # Receiver buffer reg - inb (%dx),%al # Read character - ret # To caller - -# int sio_ischar(void) - -sio_ischar: movw $SIO_PRT+0x5,%dx # Line status register - xorl %eax,%eax # Zero - inb (%dx),%al # Received data - andb $0x1,%al # ready? - ret # To caller |