Unifdef -U _PMAP_MAY_USE_PROM_CONSOLE. This code hasn't been needed in years
authormiod <miod@openbsd.org>
Mon, 6 Feb 2023 11:16:22 +0000 (11:16 +0000)
committermiod <miod@openbsd.org>
Mon, 6 Feb 2023 11:16:22 +0000 (11:16 +0000)
since the TC machines have switched to the MI zstty code.

sys/arch/alpha/alpha/conf.c
sys/arch/alpha/alpha/machdep.c
sys/arch/alpha/alpha/pmap.c
sys/arch/alpha/alpha/prom.c
sys/arch/alpha/alpha/promcons.c [deleted file]
sys/arch/alpha/conf/files.alpha
sys/arch/alpha/include/pmap.h
sys/arch/alpha/include/prom.h

index c8ee409..1b03bff 100644 (file)
@@ -1,4 +1,4 @@
-/*     $OpenBSD: conf.c,v 1.92 2022/10/15 10:12:12 jsg Exp $   */
+/*     $OpenBSD: conf.c,v 1.93 2023/02/06 11:16:22 miod Exp $  */
 /*     $NetBSD: conf.c,v 1.16 1996/10/18 21:26:57 cgd Exp $    */
 
 /*-
@@ -101,7 +101,6 @@ cdev_decl(spkr);
 #include "bio.h"
 #include "lpt.h"
 cdev_decl(lpt);
-cdev_decl(prom);                       /* XXX XXX XXX */
 cdev_decl(wd);
 cdev_decl(fd);
 #include "cy.h"
@@ -154,7 +153,7 @@ struct cdevsw       cdevsw[] =
        cdev_notdef(),                  /* 20 */
        cdev_notdef(),                  /* 21 */
        cdev_notdef(),                  /* 22 */
-       cdev_tty_init(1,prom),          /* 23: XXX prom console */
+       cdev_notdef(),                  /* 23 reserved for PROM console */
        cdev_audio_init(NAUDIO,audio),  /* 24: generic audio I/O */
        cdev_wsdisplay_init(NWSDISPLAY,wsdisplay), /* 25: workstation console */
        cdev_tty_init(NCOM,com),        /* 26: ns16550 UART */
index cbb9abb..5a35dc4 100644 (file)
@@ -1,4 +1,4 @@
-/* $OpenBSD: machdep.c,v 1.200 2023/01/02 19:09:17 miod Exp $ */
+/* $OpenBSD: machdep.c,v 1.201 2023/02/06 11:16:22 miod Exp $ */
 /* $NetBSD: machdep.c,v 1.210 2000/06/01 17:12:38 thorpej Exp $ */
 
 /*-
@@ -387,12 +387,6 @@ nobootinfo:
 #endif
 
        /* NO MORE FIRMWARE ACCESS ALLOWED */
-#ifdef _PMAP_MAY_USE_PROM_CONSOLE
-       /*
-        * XXX (unless _PMAP_MAY_USE_PROM_CONSOLE is defined and
-        * XXX pmap_uses_prom_console() evaluates to non-zero.)
-        */
-#endif
 
 #ifndef SMALL_KERNEL
        /*
@@ -506,14 +500,6 @@ nobootinfo:
                 * software use.  We must determine if this cluster
                 * holds the kernel.
                 */
-#ifdef _PMAP_MAY_USE_PROM_CONSOLE
-               /*
-                * XXX If the kernel uses the PROM console, we only use the
-                * XXX memory after the kernel in the first system segment,
-                * XXX to avoid clobbering prom mapping, data, etc.
-                */
-           if (!pmap_uses_prom_console() || physmem == 0) {
-#endif /* _PMAP_MAY_USE_PROM_CONSOLE */
                physmem += memc->mddt_pg_cnt;
                pfn0 = memc->mddt_pfn;
                pfn1 = memc->mddt_pfn + memc->mddt_pg_cnt;
@@ -525,9 +511,6 @@ nobootinfo:
 #if 0
                        printf("Cluster %d contains kernel\n", i);
 #endif
-#ifdef _PMAP_MAY_USE_PROM_CONSOLE
-                   if (!pmap_uses_prom_console()) {
-#endif /* _PMAP_MAY_USE_PROM_CONSOLE */
                        if (pfn0 < kernstartpfn) {
                                /*
                                 * There is a chunk before the kernel.
@@ -539,9 +522,6 @@ nobootinfo:
                                uvm_page_physload(pfn0, kernstartpfn,
                                    pfn0, kernstartpfn, 0);
                        }
-#ifdef _PMAP_MAY_USE_PROM_CONSOLE
-                   }
-#endif /* _PMAP_MAY_USE_PROM_CONSOLE */
                        if (kernendpfn < pfn1) {
                                /*
                                 * There is a chunk after the kernel.
@@ -563,9 +543,6 @@ nobootinfo:
 #endif
                        uvm_page_physload(pfn0, pfn1, pfn0, pfn1, 0);
                }
-#ifdef _PMAP_MAY_USE_PROM_CONSOLE
-           }
-#endif /* _PMAP_MAY_USE_PROM_CONSOLE */
        }
 
 #ifdef DEBUG
@@ -773,15 +750,10 @@ nobootinfo:
 void
 consinit()
 {
-
        /*
         * Everything related to console initialization is done
         * in alpha_init().
         */
-#if defined(DIAGNOSTIC) && defined(_PMAP_MAY_USE_PROM_CONSOLE)
-       printf("consinit: %susing prom console\n",
-           pmap_uses_prom_console() ? "" : "not ");
-#endif
 }
 
 void
index f5aa431..1a2a1ac 100644 (file)
@@ -1,4 +1,4 @@
-/* $OpenBSD: pmap.c,v 1.88 2022/09/12 19:35:20 miod Exp $ */
+/* $OpenBSD: pmap.c,v 1.89 2023/02/06 11:16:22 miod Exp $ */
 /* $NetBSD: pmap.c,v 1.154 2000/12/07 22:18:55 thorpej Exp $ */
 
 /*-
 
 #include <machine/atomic.h>
 #include <machine/cpu.h>
-#if defined(_PMAP_MAY_USE_PROM_CONSOLE) || defined(MULTIPROCESSOR)
+#if defined(MULTIPROCESSOR)
 #include <machine/rpb.h>
 #endif
 
@@ -785,27 +785,6 @@ pmap_bootstrap(paddr_t ptaddr, u_int maxasn, u_long ncpuids)
        kernel_lev1map[l1pte_index(VPTBASE)] = pte;
        VPT = (pt_entry_t *)VPTBASE;
 
-#ifdef _PMAP_MAY_USE_PROM_CONSOLE
-    {
-       extern pt_entry_t prom_pte;                     /* XXX */
-       extern int prom_mapped;                         /* XXX */
-
-       if (pmap_uses_prom_console()) {
-               /*
-                * XXX Save old PTE so we can remap the PROM, if
-                * XXX necessary.
-                */
-               prom_pte = *(pt_entry_t *)ptaddr & ~PG_ASM;
-       }
-       prom_mapped = 0;
-
-       /*
-        * Actually, this code lies.  The prom is still mapped, and will
-        * remain so until the context switch after alpha_init() returns.
-        */
-    }
-#endif
-
        /*
         * Set up level 2 page table.
         */
@@ -915,21 +894,6 @@ pmap_bootstrap(paddr_t ptaddr, u_int maxasn, u_long ncpuids)
            (1UL << cpu_number()));
 }
 
-#ifdef _PMAP_MAY_USE_PROM_CONSOLE
-int
-pmap_uses_prom_console(void)
-{
-
-#if defined(NEW_SCC_DRIVER)
-       return (cputype == ST_DEC_21000);
-#else
-       return (cputype == ST_DEC_21000
-           || cputype == ST_DEC_3000_300
-           || cputype == ST_DEC_3000_500);
-#endif /* NEW_SCC_DRIVER */
-}
-#endif /* _PMAP_MAY_USE_PROM_CONSOLE */
-
 /*
  * pmap_steal_memory:          [ INTERFACE ]
  *
index 88b5a50..d0bcb6a 100644 (file)
@@ -1,4 +1,4 @@
-/* $OpenBSD: prom.c,v 1.16 2014/12/18 10:50:02 dlg Exp $ */
+/* $OpenBSD: prom.c,v 1.17 2023/02/06 11:16:22 miod Exp $ */
 /* $NetBSD: prom.c,v 1.39 2000/03/06 21:36:05 thorpej Exp $ */
 
 /* 
@@ -54,26 +54,6 @@ struct mutex prom_lock = MUTEX_INITIALIZER(IPL_HIGH);
 void   prom_enter(void);
 void   prom_leave(void);
 
-#ifdef _PMAP_MAY_USE_PROM_CONSOLE
-int            prom_mapped = 1;        /* Is PROM still mapped? */
-
-pt_entry_t     prom_pte, saved_pte[1]; /* XXX */
-static pt_entry_t *prom_lev1map(void);
-
-static pt_entry_t *
-prom_lev1map()
-{
-       struct alpha_pcb *apcb;
-
-       /*
-        * Find the level 1 map that we're currently running on.
-        */
-       apcb = (struct alpha_pcb *)ALPHA_PHYS_TO_K0SEG(curpcb);
-
-       return ((pt_entry_t *)ALPHA_PHYS_TO_K0SEG(apcb->apcb_ptbr << PGSHIFT));
-}
-#endif /* _PMAP_MAY_USE_PROM_CONSOLE */
-
 void
 init_prom_interface(struct rpb *rpb)
 {
@@ -99,68 +79,18 @@ init_bootstrap_console()
        cn_tab = &promcons;
 }
 
-#ifdef _PMAP_MAY_USE_PROM_CONSOLE
-static void prom_cache_sync(void);
-#endif
-
 void
 prom_enter(void)
 {
        mtx_enter(&prom_lock);
-
-#ifdef _PMAP_MAY_USE_PROM_CONSOLE
-       /*
-        * If we have not yet switched out of the PROM's context
-        * (i.e. the first one after alpha_init()), then the PROM
-        * is still mapped, regardless of the `prom_mapped' setting.
-        */
-       if (prom_mapped == 0 && curpcb != 0) {
-               if (!pmap_uses_prom_console())
-                       panic("prom_enter");
-               {
-                       pt_entry_t *lev1map;
-
-                       lev1map = prom_lev1map();       /* XXX */
-                       saved_pte[0] = lev1map[0];      /* XXX */
-                       lev1map[0] = prom_pte;          /* XXX */
-               }
-               prom_cache_sync();                      /* XXX */
-       }
-#endif
 }
 
 void
 prom_leave(void)
 {
-#ifdef _PMAP_MAY_USE_PROM_CONSOLE
-       /*
-        * See comment above.
-        */
-       if (prom_mapped == 0 && curpcb != 0) {
-               if (!pmap_uses_prom_console())
-                       panic("prom_leave");
-               {
-                       pt_entry_t *lev1map;
-
-                       lev1map = prom_lev1map();       /* XXX */
-                       lev1map[0] = saved_pte[0];      /* XXX */
-               }
-               prom_cache_sync();                      /* XXX */
-       }
-#endif
-
        mtx_leave(&prom_lock);
 }
 
-#ifdef _PMAP_MAY_USE_PROM_CONSOLE
-static void
-prom_cache_sync(void)
-{
-       ALPHA_TBIA();
-       alpha_pal_imb();
-}
-#endif
-
 /*
  * promcnputc:
  *
@@ -206,26 +136,6 @@ promcngetc(dev_t dev)
        }
 }
 
-/*
- * promcnlookc:
- *
- * See if prom has a real char and pass it back.
- */
-int
-promcnlookc(dev_t dev, char *cp)
-{
-       prom_return_t ret;
-
-       prom_enter();
-       ret.bits = prom_getc(alpha_console);
-       prom_leave();
-       if (ret.u.status == 0 || ret.u.status == 1) {
-               *cp = ret.u.retval;
-               return 1;
-       } else
-               return 0;
-}
-
 int
 prom_getenv(int id, char *buf, int len)
 {
diff --git a/sys/arch/alpha/alpha/promcons.c b/sys/arch/alpha/alpha/promcons.c
deleted file mode 100644 (file)
index 9efabd3..0000000
+++ /dev/null
@@ -1,235 +0,0 @@
-/*     $OpenBSD: promcons.c,v 1.19 2018/02/19 08:59:52 mpi Exp $       */
-/*     $NetBSD: promcons.c,v 1.5 1996/11/13 22:20:55 cgd Exp $ */
-
-/*
- * Copyright (c) 1994, 1995, 1996 Carnegie-Mellon University.
- * All rights reserved.
- *
- * Author: Chris G. Demetriou
- * 
- * Permission to use, copy, modify and distribute this software and
- * its documentation is hereby granted, provided that both the copyright
- * notice and this permission notice appear in all copies of the
- * software, derivative works or modified versions, and any portions
- * thereof, and that both notices appear in supporting documentation.
- * 
- * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 
- * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 
- * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
- * 
- * Carnegie Mellon requests users of this software to return to
- *
- *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
- *  School of Computer Science
- *  Carnegie Mellon University
- *  Pittsburgh PA 15213-3890
- *
- * any improvements or extensions that they make and grant Carnegie the
- * rights to redistribute these changes.
- */
-
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/ioctl.h>
-#include <sys/selinfo.h>
-#include <sys/tty.h>
-#include <sys/proc.h>
-#include <sys/conf.h>
-#include <sys/uio.h>
-#include <sys/kernel.h>
-#include <sys/syslog.h>
-#include <sys/device.h>
-#include <sys/timeout.h>
-
-#include <dev/cons.h>
-
-#include <machine/rpb.h>
-#include <machine/prom.h>
-
-static struct  tty *prom_tty[1];
-static struct  timeout prom_to;
-
-void promstart(struct tty *);
-void promtimeout(void *);
-int promparam(struct tty *, struct termios *);
-cdev_decl(prom);
-cons_decl(prom);
-
-int
-promopen(dev, flag, mode, p)
-       dev_t dev;
-       int flag, mode;
-       struct proc *p;
-{
-       int unit = minor(dev);
-       struct tty *tp;
-       int s;
-       int error = 0, setuptimeout = 0;
-       if (unit >= 1)
-               return ENXIO;
-
-       s = spltty();
-
-       if (prom_tty[unit] == NULL) {
-               tp = prom_tty[unit] = ttymalloc(0);
-       } else
-               tp = prom_tty[unit];
-
-       tp->t_oproc = promstart;
-       tp->t_param = promparam;
-       tp->t_dev = dev;
-       if ((tp->t_state & TS_ISOPEN) == 0) {
-               tp->t_state |= TS_WOPEN|TS_CARR_ON;
-               ttychars(tp);
-               tp->t_iflag = TTYDEF_IFLAG;
-               tp->t_oflag = TTYDEF_OFLAG;
-               tp->t_cflag = TTYDEF_CFLAG|CLOCAL;
-               tp->t_lflag = TTYDEF_LFLAG;
-               tp->t_ispeed = tp->t_ospeed = 9600;
-               ttsetwater(tp);
-
-               setuptimeout = 1;
-       } else if (tp->t_state&TS_XCLUDE && suser(p) != 0) {
-               splx(s);
-               return EBUSY;
-       }
-
-       splx(s);
-
-       error = (*linesw[tp->t_line].l_open)(dev, tp, p);
-       if (error == 0 && setuptimeout) {
-               timeout_set(&prom_to, promtimeout, tp);
-               timeout_add(&prom_to, 1);
-       }
-       return error;
-}
-int
-promclose(dev, flag, mode, p)
-       dev_t dev;
-       int flag, mode;
-       struct proc *p;
-{
-       int unit = minor(dev);
-       struct tty *tp = prom_tty[unit];
-
-       timeout_del(&prom_to);
-       (*linesw[tp->t_line].l_close)(tp, flag, p);
-       ttyclose(tp);
-       return 0;
-}
-int
-promread(dev, uio, flag)
-       dev_t dev;
-       struct uio *uio;
-       int flag;
-{
-       struct tty *tp = prom_tty[minor(dev)];
-
-       return ((*linesw[tp->t_line].l_read)(tp, uio, flag));
-}
-int
-promwrite(dev, uio, flag)
-       dev_t dev;
-       struct uio *uio;
-       int flag;
-{
-       struct tty *tp = prom_tty[minor(dev)];
-       return ((*linesw[tp->t_line].l_write)(tp, uio, flag));
-}
-int
-promioctl(dev, cmd, data, flag, p)
-       dev_t dev;
-       u_long cmd;
-       caddr_t data;
-       int flag;
-       struct proc *p;
-{
-       int unit = minor(dev);
-       struct tty *tp = prom_tty[unit];
-       int error;
-
-       error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, p);
-       if (error >= 0)
-               return error;
-       error = ttioctl(tp, cmd, data, flag, p);
-       if (error >= 0)
-               return error;
-
-       return ENOTTY;
-}
-
-int
-promparam(tp, t)
-       struct tty *tp;
-       struct termios *t;
-{
-
-       return 0;
-}
-
-void
-promstart(tp)
-       struct tty *tp;
-{
-       int s;
-
-       s = spltty();
-       if (tp->t_state & (TS_TTSTOP | TS_BUSY))
-               goto out;
-       ttwakeupwr(tp);
-       tp->t_state |= TS_BUSY;
-       while (tp->t_outq.c_cc != 0)
-               promcnputc(tp->t_dev, getc(&tp->t_outq));
-       tp->t_state &= ~TS_BUSY;
-out:
-       splx(s);
-}
-
-/*
- * Stop output on a line.
- */
-int
-promstop(tp, flag)
-       struct tty *tp;
-       int flag;
-{
-       int s;
-
-       s = spltty();
-       if (tp->t_state & TS_BUSY)
-               if ((tp->t_state & TS_TTSTOP) == 0)
-                       tp->t_state |= TS_FLUSH;
-       splx(s);
-       return 0;
-}
-
-void
-promtimeout(v)
-       void *v;
-{
-       struct tty *tp = v;
-       u_char c;
-
-       while (promcnlookc(tp->t_dev, &c)) {
-               if (tp->t_state & TS_ISOPEN)
-                       (*linesw[tp->t_line].l_rint)(c, tp);
-       }
-       timeout_add(&prom_to, 1);
-}
-
-struct tty *
-promtty(dev)
-       dev_t dev;
-{
-
-       if (minor(dev) != 0)
-               panic("promtty: bogus");
-
-       return prom_tty[0];
-}
index 41998a2..8a450d0 100644 (file)
@@ -1,4 +1,4 @@
-#      $OpenBSD: files.alpha,v 1.107 2018/02/14 23:51:49 jsg Exp $
+#      $OpenBSD: files.alpha,v 1.108 2023/02/06 11:16:22 miod Exp $
 #      $NetBSD: files.alpha,v 1.32 1996/11/25 04:03:21 cgd Exp $
 #
 # alpha-specific configuration info
@@ -300,9 +300,6 @@ file        arch/alpha/dev/bus_dma.c
 
 file   arch/alpha/alpha/in_cksum.c
 
-# XXX
-file   arch/alpha/alpha/promcons.c
-
 # XXX
 file   arch/alpha/alpha/cpuconf.c
 file   arch/alpha/alpha/dec_2100_a50.c         dec_2100_a50
index 6747096..0269bd3 100644 (file)
@@ -1,4 +1,4 @@
-/* $OpenBSD: pmap.h,v 1.43 2023/01/31 15:18:54 deraadt Exp $ */
+/* $OpenBSD: pmap.h,v 1.44 2023/02/06 11:16:22 miod Exp $ */
 /* $NetBSD: pmap.h,v 1.37 2000/11/19 03:16:35 thorpej Exp $ */
 
 /*-
@@ -137,18 +137,6 @@ typedef struct pv_entry {
 #define        PG_PMAP_MOD             PG_PMAP0        /* modified */
 #define        PG_PMAP_REF             PG_PMAP1        /* referenced */
 
-#if defined(NEW_SCC_DRIVER)
-#if defined(DEC_KN8AE)
-#define        _PMAP_MAY_USE_PROM_CONSOLE
-#endif
-#else /* ! NEW_SCC_DRIVER */
-#if defined(DEC_3000_300)              \
- || defined(DEC_3000_500)              \
- || defined(DEC_KN8AE)                                 /* XXX */
-#define _PMAP_MAY_USE_PROM_CONSOLE             /* XXX */
-#endif                                         /* XXX */
-#endif /* NEW_SCC_DRIVER */
-
 #if defined(MULTIPROCESSOR)
 void   pmap_tlb_shootdown(pmap_t, vaddr_t, pt_entry_t, u_long *);
 void   pmap_tlb_shootnow(u_long);
@@ -195,9 +183,6 @@ paddr_t vtophys(vaddr_t);
 /* Machine-specific functions. */
 void   pmap_bootstrap(paddr_t ptaddr, u_int maxasn, u_long ncpuids);
 int    pmap_emulate_reference(struct proc *p, vaddr_t v, int user, int type);
-#ifdef _PMAP_MAY_USE_PROM_CONSOLE
-int    pmap_uses_prom_console(void);
-#endif
 
 #define        pmap_pte_pa(pte)        (PG_PFNUM(*(pte)) << PAGE_SHIFT)
 #define        pmap_pte_prot(pte)      (*(pte) & PG_PROT)
index 9c7d4bc..7b50481 100644 (file)
@@ -1,4 +1,4 @@
-/* $OpenBSD: prom.h,v 1.11 2023/01/16 18:41:53 deraadt Exp $ */
+/* $OpenBSD: prom.h,v 1.12 2023/02/06 11:16:22 miod Exp $ */
 /* $NetBSD: prom.h,v 1.12 2000/06/08 03:10:06 thorpej Exp $ */
 
 /*
@@ -114,7 +114,6 @@ void        hwrpb_restart_setup(void);
 #if defined(_KERNEL) || defined(_STANDALONE)
 void   promcnputc(dev_t, int);
 int    promcngetc(dev_t);
-int    promcnlookc(dev_t, char *);
 
 u_int64_t      prom_dispatch(u_int64_t, u_int64_t, u_int64_t, u_int64_t,
                    u_int64_t);