Put the assembly consio routines in a separate file so it can deal with
a.out/ELF differences.
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matt
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9b4c867626
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732a08c3c3
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/* $NetBSD: consio2.s,v 1.1 2000/07/19 00:59:20 matt Exp $ */
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/*
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* Copyright (c) 1994, 1998 Ludd, University of Lule}, Sweden.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed at Ludd, University of Lule}.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <machine/asm.h>
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/*
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* int rom_putchar (int c) ==> putchar() using ROM-routines
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*/
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ENTRY(rom_putchar, 0x0004) # save-mask: R2
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movl 4(ap), r2 # move argument to R2
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jsb *_C_LABEL(rom_putc) # write it
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ret # that is all
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/*
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* int rom_getchar (void) ==> getchar() using ROM-routines
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*/
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ENTRY(rom_getchar, 0x0002) # save-mask: R1
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loop: # do {
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jsb *_C_LABEL(rom_getc) # call the getc-routine
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tstl r0 # check if char ready
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beql loop # } while (R0 == 0)
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movl r1, r0 # R1 holds char
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ret # we are done
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ENTRY(rom_testchar, 0)
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mnegl $1,r0
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jsb *_C_LABEL(rom_getc)
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tstl r0
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beql 1f
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movl r1,r0
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1: ret
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ENTRY(_rtt, 0)
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halt
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/*
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* int ka630_rom_getchar (void) ==> getchar() using ROM-routines on KA630
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*/
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ENTRY(ka630_rom_getchar, 0x0802) # save-mask: R1, R11
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movl _C_LABEL(ka630_conspage),r11 # load location of console page
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1: # do {
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jsb *0x1C(r11) # call the getc-routine (KA630_GETC)
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blbc r0,1b # } while (R0 == 0)
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movl r1,r0 # R1 holds char
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ret # we are done
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ENTRY(ka630_rom_testchar, 0)
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movl _C_LABEL(ka630_conspage),r3
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jsb *0x1C(r3)
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blbc r0,1f
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movl r1,r0
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1: ret
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/*
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* int ka630_rom_putchar (int c) ==> putchar() using ROM-routines on KA630
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*/
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ENTRY(ka630_rom_putchar, 0x802) # save-mask: R1, R11
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movl _C_LABEL(ka630_conspage),r11
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# load location of console page
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1: # do {
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jsb *0x20(r11) # is rom ready? (KA630_PUTC_POLL)
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blbc r0,1b # } while (R0 == 0)
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movl 4(ap),r1 # R1 holds char
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jsb *0x24(r11) # output character (KA630_PUTC)
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ret # we are done
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/*
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* int ka53_rom_getchar (void) ==> getchar() using ROM-routines on KA53
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*/
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ENTRY(ka53_rom_getchar, 0x0802) # save-mask: R1, R11
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movl _C_LABEL(ka53_conspage),r11
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# load location of console page
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1: # do {
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jsb *0x64(r11) # test for char
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blbc r0,1b # } while (R0 == 0)
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jsb *0x6c(r11) # get the char
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ret # we are done
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ENTRY(ka53_rom_testchar, 0)
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movl _C_LABEL(ka53_conspage),r3
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jsb *0x64(r3)
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blbc r0,1f
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jsb *0x6c(r3) # get the char
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1: ret
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/*
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* int ka53_rom_putchar (int c) ==> putchar() using ROM-routines on KA53
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*/
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ENTRY(ka53_rom_putchar, 0x0802) # save-mask: R1, R11
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movl _C_LABEL(ka53_conspage),r11
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# load location of console page
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1: # do {
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jsb *0x20(r11) # is rom ready?
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blbc r0,1b # } whi le (R0 == 0)
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movl 4(ap),r1 # R1 holds char
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jsb *0x24(r11) # output character
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ret # we are done
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