/* $NetBSD: consio.c,v 1.17 2017/05/22 16:59:32 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. * * 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 "ka630.h" #include "data.h" void setup(void); static void (*put_fp)(int) = NULL; static int (*get_fp)(void) = NULL; static int (*test_fp)(void) = NULL; void pr_putchar(int c); /* putchar() using mtpr/mfpr */ int pr_getchar(void); int pr_testchar(void); void rom_putchar(int c); /* putchar() using ROM routines */ int rom_getchar(void); int rom_testchar(void); int rom_putc; /* ROM-address of put-routine */ int rom_getc; /* ROM-address of get-routine */ /* 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(void); /* Functions that use KA630 ROM for console I/O */ void ka630_rom_putchar(int c); int ka630_rom_getchar(void); int ka630_rom_testchar(void); /* Also added such a thing for KA53 - MK-991208 */ unsigned char *ka53_conspage; void ka53_consinit(void); void ka53_rom_putchar(int c); int ka53_rom_getchar(void); int ka53_rom_testchar(void); void vxt_putchar(int c); int vxt_getchar(void); int vxt_testchar(void); void putchar(int); int getchar(void); int testkey(void); void consinit(void); void _rtt(void); void putchar(int c) { (*put_fp)(c); if (c == 10) (*put_fp)(13); /* CR/LF */ } int getchar(void) { int c; do c = (*get_fp)() & 0177; while (c == 17 || c == 19); /* ignore XON/XOFF */ if (c < 96 && c > 64) c += 32; return c; } int testkey(void) { 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(void) { put_fp = pr_putchar; /* Default */ get_fp = pr_getchar; test_fp = pr_testchar; /* * 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_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_VXT: put_fp = vxt_putchar; get_fp = vxt_getchar; test_fp = vxt_testchar; 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; case VAX_BTYP_53: ka53_consinit(); 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 */ void pr_putchar(int c) { int timeout = 1<<15; /* don't hang the machine! */ /* * On KA88 we may get C-S/C-Q from the console. * Must obey it. */ while (mfpr(PR_RXCS) & GC_DON) { if ((mfpr(PR_RXDB) & 0x7f) == 19) { while (1) { while ((mfpr(PR_RXCS) & GC_DON) == 0) ; if ((mfpr(PR_RXDB) & 0x7f) == 17) break; } } } while ((mfpr(PR_TXCS) & GC_RDY) == 0) /* Wait until xmit ready */ if (--timeout < 0) break; mtpr(c, PR_TXDB); /* xmit character */ } /* * getchar() using MFPR */ int pr_getchar(void) { while ((mfpr(PR_RXCS) & GC_DON) == 0) ; /* wait for char */ return (mfpr(PR_RXDB)); /* now get it */ } int pr_testchar(void) { if (mfpr(PR_RXCS) & GC_DON) return mfpr(PR_RXDB); else return 0; } /* * void ka630_rom_getchar (void) ==> initialize KA630 ROM console I/O */ void ka630_consinit(void) { short *NVR; int i; /* Find the console page */ NVR = (short *) KA630_NVR_ADRS; i = *NVR++ & 0xFF; i |= (*NVR++ & 0xFF) << 8; i |= (*NVR++ & 0xFF) << 16; i |= (*NVR++ & 0xFF) << 24; ka630_conspage = (unsigned 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; } /* * void ka53_consinit (void) ==> initialize KA53 ROM console I/O */ void ka53_consinit(void) { ka53_conspage = (unsigned char *) 0x2014044b; put_fp = ka53_rom_putchar; get_fp = ka53_rom_getchar; test_fp = ka53_rom_testchar; } static volatile int *vxtregs = (int *)0x200A0000; #define CH_SR 1 #define CH_DAT 3 #define SR_TX_RDY 0x04 #define SR_RX_RDY 0x01 void vxt_putchar(int c) { while ((vxtregs[CH_SR] & SR_TX_RDY) == 0) ; vxtregs[CH_DAT] = c; } int vxt_getchar(void) { while ((vxtregs[CH_SR] & SR_RX_RDY) == 0) ; return vxtregs[CH_DAT]; } int vxt_testchar(void) { if ((vxtregs[CH_SR] & SR_RX_RDY) == 0) return 0; return vxtregs[CH_DAT]; }