kgdb support for the vr hpcmips machines.
From Ethan Solomita (ethan@geocast.com).
This commit is contained in:
jeffs
parent
654400f740
commit
0e306bace6
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@ -2,11 +2,11 @@
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# Distribution kernel (NEC VR based model) kernel config file
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#
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# $NetBSD: GENERIC,v 1.57 2000/07/02 10:01:30 takemura Exp $
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# $NetBSD: GENERIC,v 1.58 2000/07/20 21:03:36 jeffs Exp $
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#
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include "arch/hpcmips/conf/std.hpcmips"
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#ident "GENERIC-$Revision: 1.57 $"
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#ident "GENERIC-$Revision: 1.58 $"
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maxusers 8
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@ -22,6 +22,7 @@ options MIPS3_L2CACHE_ABSENT
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# Standard system options
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options DDB # in-kernel debugger
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#options DDB_ONPANIC=0 # don't enter debugger on panic
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#options KGDB # remote debugger
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#options DIAGNOSTIC # extra kernel debugging checks
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#options DEBUG # extra kernel debugging support
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options KTRACE # system call tracing support
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@ -1,4 +1,4 @@
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/* $NetBSD: machdep.c,v 1.29 2000/07/14 18:35:39 jeffs Exp $ */
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/* $NetBSD: machdep.c,v 1.30 2000/07/20 21:03:37 jeffs Exp $ */
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/*
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* Copyright (c) 1988 University of Utah.
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@ -43,7 +43,7 @@
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#include <sys/cdefs.h> /* RCS ID & Copyright macro defns */
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__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.29 2000/07/14 18:35:39 jeffs Exp $");
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__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.30 2000/07/20 21:03:37 jeffs Exp $");
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/* from: Utah Hdr: machdep.c 1.63 91/04/24 */
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#include "opt_vr41x1.h"
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@ -72,6 +72,10 @@ __KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.29 2000/07/14 18:35:39 jeffs Exp $");
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#include <sys/syscallargs.h>
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#include <sys/kcore.h>
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#ifdef KGDB
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#include <sys/kgdb.h>
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#endif
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#include <uvm/uvm_extern.h>
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#include <sys/sysctl.h>
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@ -390,13 +394,20 @@ mach_init(argc, argv, bi)
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/* Setup interrupt handler */
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(*platform.os_init)();
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/* Initialize console. */
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/* Initialize console and KGDB serial port. */
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(*platform.cons_init)();
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#if defined(DDB) || defined(KGDB)
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if (boothowto & RB_KDB) {
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#ifdef DDB
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if (boothowto & RB_KDB)
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Debugger();
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#endif
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#ifdef KGDB
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kgdb_debug_init = 1;
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kgdb_connect(1);
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#endif
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}
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#endif
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/* Find physical memory regions. */
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(*platform.mem_init)((paddr_t)kernend - MIPS_KSEG0_START);
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@ -1,4 +1,4 @@
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/* $NetBSD: com_vrip.c,v 1.3 2000/02/11 03:20:21 takemura Exp $ */
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/* $NetBSD: com_vrip.c,v 1.4 2000/07/20 21:03:38 jeffs Exp $ */
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/*-
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* Copyright (c) 1999 SASAKI Takesi. All rights reserved.
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@ -126,11 +126,12 @@ find_comenableport_from_cfdata(int *port)
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}
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int
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com_vrip_cnattach(iot, iobase, rate, frequency, cflag)
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com_vrip_cndb_attach(iot, iobase, rate, frequency, cflag, kgdb)
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bus_space_tag_t iot;
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int iobase;
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int rate, frequency;
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tcflag_t cflag;
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int kgdb;
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{
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int port;
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/* Platform dependent setting */
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@ -140,7 +141,12 @@ com_vrip_cnattach(iot, iobase, rate, frequency, cflag)
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if (!com_vrip_common_probe(iot, iobase))
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return (EIO); /* I can't find appropriate error number. */
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return (comcnattach(iot, iobase, rate, frequency, cflag));
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#ifdef KGDB
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if (kgdb)
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return (com_kgdb_attach(iot, iobase, rate, frequency, cflag));
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else
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#endif
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return (comcnattach(iot, iobase, rate, frequency, cflag));
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}
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static int
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@ -1,4 +1,4 @@
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/* $NetBSD: com_vripvar.h,v 1.1.1.1 1999/09/16 12:23:32 takemura Exp $ */
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/* $NetBSD: com_vripvar.h,v 1.2 2000/07/20 21:03:38 jeffs Exp $ */
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/*-
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* Copyright (c) 1999 SASAKI Takesi. All rights reserved.
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@ -34,4 +34,4 @@
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*
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*/
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int com_vrip_cnattach __P((bus_space_tag_t, int, int, int, tcflag_t));
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int com_vrip_cndb_attach __P((bus_space_tag_t, int, int, int, tcflag_t, int));
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@ -1,4 +1,4 @@
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/* $NetBSD: vr.c,v 1.17 2000/05/02 17:45:16 uch Exp $ */
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/* $NetBSD: vr.c,v 1.18 2000/07/20 21:03:39 jeffs Exp $ */
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/*-
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* Copyright (c) 1999
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@ -303,18 +303,30 @@ vr_cons_init()
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#endif
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#if NCOM > 0
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#ifdef KGDB
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/* if KGDB is defined, always use the serial port for KGDB */
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/* Serial console */
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if(com_vrip_cndb_attach(
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system_bus_iot, 0x0c000000, 9600, VRCOM_FREQ,
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(TTYDEF_CFLAG & ~(CSIZE | PARENB)) | CS8, 1))
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{
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printf("%s(%d): can't init kgdb's serial port",
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__FILE__, __LINE__);
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}
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#else
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if (bootinfo->bi_cnuse & BI_CNUSE_SERIAL) {
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/* Serial console */
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mb_bus_space_init(); /* At this time, not initialized yet */
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if(com_vrip_cnattach(system_bus_iot, 0x0c000000, CONSPEED,
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VRCOM_FREQ,
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(TTYDEF_CFLAG & ~(CSIZE | PARENB)) | CS8)) {
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if(com_vrip_cndb_attach(
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system_bus_iot, 0x0c000000, CONSPEED, VRCOM_FREQ,
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(TTYDEF_CFLAG & ~(CSIZE | PARENB)) | CS8, 0))
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{
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printf("%s(%d): can't init serial console", __FILE__, __LINE__);
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} else {
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return;
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}
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}
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#endif
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#endif
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#if NHPCFB > 0
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mb_bus_space_init(); /* At this time, not initialized yet */
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