/* $OpenBSD: consio.c,v 1.1 2000/04/27 02:26:25 bjc Exp $ */ /* $NetBSD: consio.c,v 1.6 1999/08/23 19:09:27 ragge 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. */ /* All bugs are subject to removal without further notice */ #include "sys/param.h" #include "../vax/gencons.h" #include "mtpr.h" #include "sid.h" #include "rpb.h" #include "data.h" void setup __P((void)); unsigned *bootregs; struct rpb *rpb; struct bqo *bqo; static int (*put_fp) __P((int)) = NULL; static int (*get_fp) __P((void)) = NULL; static int (*test_fp) __P((void)) = NULL; int pr_putchar __P((int c)); /* putchar() using mtpr/mfpr */ int pr_getchar __P((void)); int pr_testchar __P((void)); int rom_putchar __P((int c)); /* putchar() using ROM routines */ int rom_getchar __P((void)); int rom_testchar __P((void)); static int rom_putc; /* ROM-address of put-routine */ static int rom_getc; /* ROM-address of get-routine */ /* Location of address of KA630 console page */ #define NVR_ADRS 0x200B8024 /* Definitions for various locations in the KA630 console page */ #define KA630_PUTC_POLL 0x20 #define KA630_PUTC 0x24 #define KA630_GETC 0x1C #define KA630_ROW 0x4C #define KA630_MINROW 0x4D #define KA630_MAXROW 0x4E #define KA630_COL 0x50 #define KA630_MINCOL 0x51 #define KA630_MAXCOL 0x52 /* Pointer to KA630 console page, initialized by ka630_consinit */ unsigned char *ka630_conspage; /* Function that initializes things for KA630 ROM console I/O */ void ka630_consinit __P((void)); /* Functions that use KA630 ROM for console I/O */ int ka630_rom_putchar __P((int c)); int ka630_rom_getchar __P((void)); int ka630_rom_testchar __P((void)); putchar(c) int c; { (*put_fp)(c); if (c == 10) (*put_fp)(13); /* CR/LF */ } getchar() { int c; do c = (*get_fp)() & 0177; while (c == 17 || c == 19); /* ignore XON/XOFF */ if (c < 96 && c > 64) c += 32; return c; } testkey() { return (*test_fp)(); } /* * setup() is called out of the startup files (start.s, srt0.s) and * initializes data which are globally used and is called before main(). */ void consinit() { put_fp = pr_putchar; /* Default */ get_fp = pr_getchar; test_fp = pr_testchar; rpb = (struct rpb *)bootregs[11]; /* bertram: ??? */ /* * According to the vax_boardtype (vax_cputype is not specific * enough to do that) we decide which method/routines to use * for console I/O. * mtpr/mfpr are restricted to serial consoles, ROM-based routines * support both serial and graphical consoles. * We default to mtpr routines; so that we don't crash if * it isn't a supported system. */ switch (vax_boardtype) { case VAX_BTYP_690: case VAX_BTYP_1303: put_fp = rom_putchar; get_fp = rom_getchar; test_fp = rom_testchar; rom_putc = 0x20040058; /* 537133144 */ rom_getc = 0x20040008; /* 537133064 */ break; case VAX_BTYP_43: case VAX_BTYP_410: case VAX_BTYP_420: put_fp = rom_putchar; get_fp = rom_getchar; test_fp = rom_testchar; rom_putc = 0x20040058; /* 537133144 */ rom_getc = 0x20040044; /* 537133124 */ break; case VAX_BTYP_630: ka630_consinit(); break; case VAX_BTYP_46: case VAX_BTYP_48: case VAX_BTYP_49: put_fp = rom_putchar; get_fp = rom_getchar; test_fp = rom_testchar; rom_putc = 0x20040068; rom_getc = 0x20040054; break; #ifdef notdef case VAX_BTYP_630: case VAX_BTYP_650: case VAX_BTYP_9CC: case VAX_BTYP_60: put_fp = pr_putchar; get_fp = pr_getchar; break #endif } return; } /* * putchar() using MTPR */ pr_putchar(c) int c; { int timeout = 1<<15; /* don't hang the machine! */ while ((mfpr(PR_TXCS) & GC_RDY) == 0) /* Wait until xmit ready */ if (--timeout < 0) break; mtpr(c, PR_TXDB); /* xmit character */ } /* * getchar() using MFPR */ pr_getchar() { while ((mfpr(PR_RXCS) & GC_DON) == 0); /* wait for char */ return (mfpr(PR_RXDB)); /* now get it */ } pr_testchar() { if (mfpr(PR_RXCS) & GC_DON) return mfpr(PR_RXDB); else return 0; } /* * int rom_putchar (int c) ==> putchar() using ROM-routines */ asm(" .globl _rom_putchar _rom_putchar: .word 0x04 # save-mask: R2 movl 4(ap), r2 # move argument to R2 jsb *_rom_putc # write it ret # that's all "); /* * int rom_getchar (void) ==> getchar() using ROM-routines */ asm(" .globl _rom_getchar _rom_getchar: .word 0x02 # save-mask: R1 loop: # do { jsb *_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're done _rom_testchar: .word 0 mnegl $1,r0 jsb *_rom_getc tstl r0 beql 1f movl r1,r0 1: ret "); _rtt() { asm("halt"); } /* * void ka630_rom_getchar (void) ==> initialize KA630 ROM console I/O */ void ka630_consinit() { register short *NVR; register int i; /* Find the console page */ NVR = (short *) NVR_ADRS; i = *NVR++ & 0xFF; i |= (*NVR++ & 0xFF) << 8; i |= (*NVR++ & 0xFF) << 16; i |= (*NVR++ & 0xFF) << 24; ka630_conspage = (char *) i; /* Go to last row to minimize confusion */ ka630_conspage[KA630_ROW] = ka630_conspage[KA630_MAXROW]; ka630_conspage[KA630_COL] = ka630_conspage[KA630_MINCOL]; /* Use KA630 ROM console I/O routines */ put_fp = ka630_rom_putchar; get_fp = ka630_rom_getchar; test_fp = ka630_rom_testchar; } /* * int ka630_rom_getchar (void) ==> getchar() using ROM-routines on KA630 */ asm(" .globl _ka630_rom_getchar _ka630_rom_getchar: .word 0x802 # save-mask: R1, R11 movl _ka630_conspage,r11 # load location of console page loop630g: # do { jsb *0x1C(r11) # call the getc-routine (KA630_GETC) blbc r0, loop630g # } while (R0 == 0) movl r1, r0 # R1 holds char ret # we're done _ka630_rom_testchar: .word 0 movl _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 */ asm(" .globl _ka630_rom_putchar _ka630_rom_putchar: .word 0x802 # save-mask: R1, R11 movl _ka630_conspage,r11 # load location of console page loop630p: # do { jsb *0x20(r11) # is rom ready? (KA630_PUTC_POLL) blbc r0, loop630p # } while (R0 == 0) movl 4(ap), r1 # R1 holds char jsb *0x24(r11) # output character (KA630_PUTC) ret # we're done ");