/* $NetBSD: consinit.c,v 1.16.68.1 2023/10/18 16:53:03 martin Exp $ */ /* NetBSD: consinit.c,v 1.4 2004/03/13 17:31:34 bjh21 Exp */ /* * Copyright (c) 1998 * Matthias Drochner. 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. * */ #include __KERNEL_RCSID(0, "$NetBSD: consinit.c,v 1.16.68.1 2023/10/18 16:53:03 martin Exp $"); #include "opt_kgdb.h" #include #include #include #include #include #include #include "xencons.h" #include "vga.h" #include "ega.h" #include "pcdisplay.h" #include "genfb.h" #if (NVGA > 0) || (NEGA > 0) || (NPCDISPLAY > 0) #include #include #if (NVGA > 0) #include #include #endif #if (NEGA > 0) #include #endif #if (NPCDISPLAY > 0) #include #endif #endif #include "pckbc.h" #if (NPCKBC > 0) #include #include #include #endif #include "pckbd.h" /* for pckbc_machdep_cnattach */ #include "ukbd.h" #if (NUKBD > 0) #include #endif #if (NGENFB > 0) #include #endif #include "opt_xen.h" #if (XEN > 0) #include #include #include #endif #include "com.h" #if (NCOM > 0) #include #include #include #endif #ifndef CONSDEVNAME #define CONSDEVNAME "pc" #endif #if (NCOM > 0) #ifndef CONADDR #define CONADDR 0x3f8 #endif #ifndef CONSPEED #define CONSPEED TTYDEF_SPEED #endif #ifndef CONMODE #define CONMODE ((TTYDEF_CFLAG & ~(CSIZE | CSTOPB | PARENB)) | CS8) /* 8N1 */ #endif int comcnmode = CONMODE; #endif /* NCOM */ const struct btinfo_console default_consinfo = { {0, 0}, CONSDEVNAME, #if (NCOM > 0) CONADDR, CONSPEED #else 0, 0 #endif }; #ifdef KGDB #ifndef KGDB_DEVNAME #define KGDB_DEVNAME "com" #endif const char kgdb_devname[] = KGDB_DEVNAME; #if (NCOM > 0) #ifndef KGDB_DEVADDR #define KGDB_DEVADDR 0x3f8 #endif int comkgdbaddr = KGDB_DEVADDR; #ifndef KGDB_DEVRATE #define KGDB_DEVRATE TTYDEF_SPEED #endif int comkgdbrate = KGDB_DEVRATE; #ifndef KGDB_DEVMODE #define KGDB_DEVMODE ((TTYDEF_CFLAG & ~(CSIZE | CSTOPB | PARENB)) | CS8) /* 8N1 */ #endif int comkgdbmode = KGDB_DEVMODE; #endif /* NCOM */ #endif /* KGDB */ /* * consinit: * initialize the system console. * XXX - shouldn't deal with this initted thing, but then, * it shouldn't be called from init386 either. */ void consinit(void) { static int initted = 0; union xen_cmdline_parseinfo xcp; #if (NGENFB > 0) const struct btinfo_framebuffer *fbinfo = NULL; #endif if (initted) { return; } xen_early_console(); #if (NGENFB > 0) && defined(DOM0OPS) if (xendomain_is_dom0()) fbinfo = xen_genfb_getbtinfo(); #endif initted = 1; xen_parse_cmdline(XEN_PARSE_CONSOLE, &xcp); #if (NVGA > 0) || (NGENFB > 0) if (xendomain_is_privileged()) { #ifdef CONS_OVERRIDE if (strcmp(default_consinfo.devname, "tty0") == 0 || strcmp(default_consinfo.devname, "pc") == 0) { #else if (strcmp(xcp.xcp_console, "tty0") == 0 || /* linux name */ strcmp(xcp.xcp_console, "pc") == 0) { /* NetBSD name */ #endif /* CONS_OVERRIDE */ int error; #if (NGENFB > 0) if (fbinfo && fbinfo->physaddr > 0) { if (x86_genfb_cnattach() == -1) { initted = 0; /* defer */ return; } genfb_cnattach(); goto dokbd; } else { genfb_disable(); } #endif vga_cnattach(x86_bus_space_io, x86_bus_space_mem, -1, 1); #if (NGENFB > 0) dokbd: #endif error = ENODEV; #if (NPCKBC > 0) error = pckbc_cnattach(x86_bus_space_io, IO_KBD, KBCMDP, PCKBC_KBD_SLOT, 0); #endif #if (NUKBD > 0) if (error) error = ukbd_cnattach(); #endif if (error) printf("WARNING: no console keyboard, " "error=%d\n", error); return; } } #endif /* NVGA */ #if NXENCONS > 0 xenconscn_attach(); return; #endif /* NXENCONS */ panic("consinit: no console"); } #ifdef KGDB void kgdb_port_init(void) { #if (NCOM > 0) if(!strcmp(kgdb_devname, "com")) { bus_space_tag_t tag = x86_bus_space_io; com_kgdb_attach(tag, comkgdbaddr, comkgdbrate, COM_FREQ, COM_TYPE_NORMAL, comkgdbmode); } #endif } #endif