 @@ -1,359 +1,359 @@
-/*	$NetBSD: boot.c,v 1.29 2018/06/06 22:56:25 uwe Exp $	*/
+/*	$NetBSD: boot.c,v 1.30 2020/04/23 00:12:28 joerg Exp $	*/
 /*-
  * Copyright (c) 1997 The NetBSD Foundation, Inc.
  * All rights reserved.
+ *
  * This code is derived from software contributed to The NetBSD Foundation
  * by Jason R. Thorpe.
+ *
  * 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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  * ``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 FOUNDATION OR CONTRIBUTORS
  * 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.
  */
 /*
  * Copyright (C) 1995, 1996 Wolfgang Solfrank.
  * Copyright (C) 1995, 1996 TooLs GmbH.
  * All rights reserved.
+ *
  * ELF support derived from NetBSD/alpha's boot loader, written
  * by Christopher G. Demetriou.
+ *
  * 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 by TooLs GmbH.
  * 4. The name of TooLs GmbH may not be used to endorse or promote products
  *    derived from this software without specific prior written permission.
+ *
  * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``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 TOOLS GMBH 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.
  */
 /*
  * First try for the boot code
+ *
  * Input syntax is:
  *	[promdev[{:|,}partition]]/[filename] [flags]
  */
 #include "boot.h"
 #include <sys/param.h>
 #include <sys/boot_flag.h>
 #include <sys/disklabel.h>
 #include <lib/libsa/stand.h>
 #include <lib/libsa/loadfile.h>
 #include <lib/libkern/libkern.h>
 #include "ofdev.h"
 #include "openfirm.h"
 extern void __syncicache(void *, size_t); /* in libkern */
 #ifdef DEBUG
 # define DPRINTF printf
 #else
 # define DPRINTF while (0) printf
 #endif
 char bootdev[MAXBOOTPATHLEN];
-char bootfile[MAXBOOTPATHLEN];
+extern char bootfile[MAXBOOTPATHLEN];
 int boothowto;
 bool floppyboot;
 int ofw_version = 0;
 static const char *kernels[] = { "/netbsd", "/netbsd.gz", "/netbsd.macppc", NULL };
 static void
 prom2boot(char *dev)
+{
 	char *cp;
 	cp = dev + strlen(dev) - 1;
 	for (; *cp; cp--) {
 		if (*cp == ':') {
 			if (ofw_version < 3) {
 				/* sd@0:0 -> sd@0 */
 				*cp = 0;
 				break;
 			} else {
 				/* disk@0:5,boot -> disk@0:0 */
 				strcpy(cp, ":0");
 				break;
+			}
+		}
+	}
+}
 static void
 parseargs(char *str, int *howtop)
+{
 	char *cp;
 	/* Allow user to drop back to the PROM. */
 	if (strcmp(str, "exit") == 0)
 		OF_exit();
 	*howtop = 0;
 	cp = str;
 	if (*cp == '-')
 		goto found;
 	for (cp = str; *cp; cp++)
 		if (*cp == ' ')
 			goto found;
 	return;
 found:
 	*cp++ = 0;
 	while (*cp)
 		BOOT_FLAG(*cp++, *howtop);
+}
 static bool
 is_floppyboot(const char *path, const char *defaultdev)
+{
 	char dev[MAXBOOTPATHLEN];
 	char nam[16];
 	int handle, rv;
 	if (parsefilepath(path, dev, NULL, NULL)) {
 		if (dev[0] == '\0' && defaultdev != NULL)
 			strlcpy(dev, defaultdev, sizeof(dev));
 		/* check properties */
 		handle = OF_finddevice(dev);
 		if (handle != -1) {
 			rv = OF_getprop(handle, "name", nam, sizeof(nam));
 			if (rv >= 0 &&
 			    (strcmp(nam, "swim3") == 0 ||
 			     strcmp(nam, "floppy") == 0))
 				return true;
+		}
 		/* also check devalias */
 		if (strcmp(dev, "fd") == 0)
 			return true;
+	}
 	return false;
+}
 static void
 chain(boot_entry_t entry, char *args, void *ssym, void *esym)
+{
 	extern char end[];
 	int l;
 #if !defined(HEAP_VARIABLE)
 	freeall();
 #endif
 	/*
 	 * Stash pointer to end of symbol table after the argument
 	 * strings.
 	 */
 	l = strlen(args) + 1;
 	memcpy(args + l, &ssym, sizeof(ssym));
 	l += sizeof(ssym);
 	memcpy(args + l, &esym, sizeof(esym));
 	l += sizeof(esym);
 	l += sizeof(int);	/* XXX */
 	OF_chain((void *) RELOC, end - (char *) RELOC, entry, args, l);
 	panic("chain");
+}
 __dead void
 _rtt(void)
+{
 	OF_exit();
+}
 void
 main(void)
+{
 	extern char bootprog_name[], bootprog_rev[];
 	int chosen, options, openprom;
 	char bootline[512];		/* Should check size? */
 	char *cp;
 	u_long marks[MARK_MAX];
 	u_int32_t entry;
 	void *ssym, *esym;
 	printf("\n");
 	printf(">> %s, Revision %s\n", bootprog_name, bootprog_rev);
 	/*
 	 * Figure out what version of Open Firmware...
 	 */
 	if ((openprom = OF_finddevice("/openprom")) != -1) {
 		char model[32];
 		memset(model, 0, sizeof model);
 		OF_getprop(openprom, "model", model, sizeof model);
 		for (cp = model; *cp; cp++)
 			if (*cp >= '0' && *cp <= '9') {
 				ofw_version = *cp - '0';
 				break;
+			}
 		DPRINTF(">> Open Firmware version %d.x\n", ofw_version);
+	}
 	/*
 	 * Get the boot arguments from Openfirmware
 	 */
 	if ((chosen = OF_finddevice("/chosen")) == -1 ||
 	    OF_getprop(chosen, "bootpath", bootdev, sizeof bootdev) < 0 ||
 	    OF_getprop(chosen, "bootargs", bootline, sizeof bootline) < 0) {
 		printf("Invalid Openfirmware environment\n");
 		OF_exit();
+	}
 	/*
 	 * Some versions of Openfirmware sets bootpath to "".
 	 * We use boot-device instead if it occurs.
 	 */
 	if (bootdev[0] == 0) {
 		printf("Cannot use bootpath\n");
 		if ((options = OF_finddevice("/options")) == -1 ||
 		    OF_getprop(options, "boot-device", bootdev,
 			       sizeof bootdev) < 0) {
 			printf("Invalid Openfirmware environment\n");
 			OF_exit();
+		}
 		printf("Using boot-device instead\n");
+	}
 	prom2boot(bootdev);
 	parseargs(bootline, &boothowto);
 	DPRINTF("bootline=%s\n", bootline);
 	for (;;) {
 		int i, loadflag;
 		if (boothowto & RB_ASKNAME) {
 			printf("Boot: ");
 			kgets(bootline, sizeof(bootline));
 			parseargs(bootline, &boothowto);
+		}
 		if (bootline[0]) {
 			kernels[0] = bootline;
 			kernels[1] = NULL;
+		}
 		for (i = 0; kernels[i]; i++) {
 			floppyboot = is_floppyboot(kernels[i], bootdev);
 			DPRINTF("Trying %s%s\n", kernels[i],
 			    floppyboot ? " (floppyboot)" : "");
 			loadflag = LOAD_KERNEL;
 			if (floppyboot)
 				loadflag &= ~LOAD_BACKWARDS;
 			marks[MARK_START] = 0;
 			if (loadfile(kernels[i], marks, loadflag) >= 0)
 				goto loaded;
+		}
 		boothowto |= RB_ASKNAME;
+	}
 loaded:
 #ifdef	__notyet__
 	OF_setprop(chosen, "bootpath", opened_name, strlen(opened_name) + 1);
 	cp = bootline;
 #else
 	strcpy(bootline, opened_name);
 	cp = bootline + strlen(bootline);
 	*cp++ = ' ';
 #endif
 	*cp = '-';
 	if (boothowto & RB_ASKNAME)
 		*++cp = 'a';
 	if (boothowto & RB_USERCONF)
 		*++cp = 'c';
 	if (boothowto & RB_SINGLE)
 		*++cp = 's';
 	if (boothowto & RB_KDB)
 		*++cp = 'd';
 	if (*cp == '-')
 #ifdef	__notyet__
 		*cp = 0;
 #else
 		*--cp = 0;
 #endif
 	else
 		*++cp = 0;
 #ifdef	__notyet__
 	OF_setprop(chosen, "bootargs", bootline, strlen(bootline) + 1);
 #endif
 	entry = marks[MARK_ENTRY];
 	ssym = (void *)marks[MARK_SYM];
 	esym = (void *)marks[MARK_END];
 	printf(" start=0x%x\n", entry);
 	__syncicache((void *)(uintptr_t)entry, (size_t)ssym - entry);
 	chain((boot_entry_t)(uintptr_t)entry, bootline, ssym, esym);
 	OF_exit();
+}
 #ifdef HAVE_CHANGEDISK_HOOK
 void
 changedisk_hook(struct open_file *of)
+{
 	struct of_dev *op = of->f_devdata;
 	int c;
 	OF_call_method("eject", op->handle, 0, 0);
 	c = getchar();
 	if (c == 'q') {
 		printf("quit\n");
 		OF_exit();
+	}
 	OF_call_method("close", op->handle, 0, 0);
 	OF_call_method("open", op->handle, 0, 0);
+}
 #endif