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/* $OpenBSD: consio2.S,v 1.1 2002/06/11 09:36:23 hugh Exp $ */
/* $NetBSD: consio2.S,v 1.1 2002/02/24 01:04:24 matt Exp $ */
/*
* Copyright (c) 1994, 1998 Ludd, University of Lule}, Sweden.
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed at Ludd, University of Lule}.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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 <machine/asm.h>
/*
* int rom_putchar (int c) ==> putchar() using ROM-routines
*/
ENTRY(rom_putchar, 0x0004) # save-mask: R2
movl 4(ap), r2 # move argument to R2
jsb *_C_LABEL(rom_putc) # write it
ret # that is all
/*
* int rom_getchar (void) ==> getchar() using ROM-routines
*/
ENTRY(rom_getchar, 0x0002) # save-mask: R1
loop: # do {
jsb *_C_LABEL(rom_getc) # call the getc-routine
tstl r0 # check if char ready
beql loop # } while (R0 == 0)
movl r1, r0 # R1 holds char
ret # we are done
ENTRY(rom_testchar, 0)
mnegl $1,r0
jsb *_C_LABEL(rom_getc)
tstl r0
beql 1f
movl r1,r0
1: ret
ENTRY(_rtt, 0)
halt
/*
* int ka630_rom_getchar (void) ==> getchar() using ROM-routines on KA630
*/
ENTRY(ka630_rom_getchar, 0x0802) # save-mask: R1, R11
movl _C_LABEL(ka630_conspage),r11 # load location of console page
1: # do {
jsb *0x1C(r11) # call the getc-routine (KA630_GETC)
blbc r0,1b # } while (R0 == 0)
movl r1,r0 # R1 holds char
ret # we are done
ENTRY(ka630_rom_testchar, 0)
movl _C_LABEL(ka630_conspage),r3
jsb *0x1C(r3)
blbc r0,1f
movl r1,r0
1: ret
/*
* int ka630_rom_putchar (int c) ==> putchar() using ROM-routines on KA630
*/
ENTRY(ka630_rom_putchar, 0x802) # save-mask: R1, R11
movl _C_LABEL(ka630_conspage),r11
# load location of console page
1: # do {
jsb *0x20(r11) # is rom ready? (KA630_PUTC_POLL)
blbc r0,1b # } while (R0 == 0)
movl 4(ap),r1 # R1 holds char
jsb *0x24(r11) # output character (KA630_PUTC)
ret # we are done
/*
* int ka53_rom_getchar (void) ==> getchar() using ROM-routines on KA53
*/
ENTRY(ka53_rom_getchar, 0x0802) # save-mask: R1, R11
movl _C_LABEL(ka53_conspage),r11
# load location of console page
1: # do {
jsb *0x64(r11) # test for char
blbc r0,1b # } while (R0 == 0)
jsb *0x6c(r11) # get the char
ret # we are done
ENTRY(ka53_rom_testchar, 0)
movl _C_LABEL(ka53_conspage),r3
jsb *0x64(r3)
blbc r0,1f
jsb *0x6c(r3) # get the char
1: ret
/*
* int ka53_rom_putchar (int c) ==> putchar() using ROM-routines on KA53
*/
ENTRY(ka53_rom_putchar, 0x0802) # save-mask: R1, R11
movl _C_LABEL(ka53_conspage),r11
# load location of console page
1: # do {
jsb *0x20(r11) # is rom ready?
blbc r0,1b # } whi le (R0 == 0)
movl 4(ap),r1 # R1 holds char
jsb *0x24(r11) # output character
ret # we are done
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