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if a file name is given (i.e. BOOTED_FILE) is set, boot only that file, 

but if not then try to boot "netbsd", "netbsd.bak", "netbsd.old", and
"onetbsd" (in that order) until one is found or until the list of names
is exhausted.
This commit is contained in:
cgd 1997-01-18 01:58:32 +00:00
parent 4c5fff219e
commit d3bfc848a9
2 changed files with 26 additions and 7 deletions
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29
sys/arch/alpha/stand/boot/boot.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: boot.c,v 1.9 1997/01/18 00:59:46 cgd Exp $ */
/* $NetBSD: boot.c,v 1.10 1997/01/18 01:58:33 cgd Exp $ */
/*
* Copyright (c) 1992, 1993
@ -61,10 +61,20 @@ vm_offset_t ffp_save, ptbr_save;
int debug;
char *kernelnames[] = {
"netbsd",
"netbsd.bak",
"netbsd.old",
"onetbsd",
NULL
};
void
main()
{
char *name, **namep;
u_int64_t entry;
int win;
/* Init prom callback vector. */
init_prom_calls();
@ -83,13 +93,20 @@ main()
prom_getenv(PROM_E_BOOTED_FILE, boot_file, sizeof(boot_file));
prom_getenv(PROM_E_BOOTED_OSFLAGS, boot_flags, sizeof(boot_flags));
if (boot_file[0] == '\0')
bcopy("netbsd", boot_file, sizeof "netbsd");
if (boot_file[0] != 0)
(void)printf("Boot file: %s\n", boot_file);
(void)printf("Boot flags: %s\n", boot_flags);
(void)printf("Boot: %s %s\n", boot_file, boot_flags);
if (boot_file[0] != '\0')
win = (loadfile(name = boot_file, &entry) == 0);
else
for (namep = kernelnames, win = 0; *namep != NULL && !win;
namep++)
win = (loadfile(name = *namep, &entry) == 0);
if (!loadfile(boot_file, &entry)) {
(void)printf("Entering kernel at 0x%lx...\n", entry);
printf("\n");
if (win) {
(void)printf("Entering %s at 0x%lx...\n", name, entry);
(*(void (*)())entry)(ffp_save, ptbr_save, 0);
}

4
sys/arch/alpha/stand/loadfile.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: loadfile.c,v 1.3 1996/09/23 04:32:44 cgd Exp $ */
/* $NetBSD: loadfile.c,v 1.4 1997/01/18 01:58:32 cgd Exp $ */
/*
* Copyright (c) 1992, 1993
@ -83,6 +83,8 @@ loadfile(fname, entryp)
ssize_t nr;
int fd, rval;
printf("\nLoading %s...\n", fname);
/* Open the file. */
rval = 1;
if ((fd = open(fname, 0)) < 0) {