diff options
Diffstat (limited to 'usr/src/psm/stand/bootlst/common/sasubr.c')
-rw-r--r-- | usr/src/psm/stand/bootlst/common/sasubr.c | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/usr/src/psm/stand/bootlst/common/sasubr.c b/usr/src/psm/stand/bootlst/common/sasubr.c new file mode 100644 index 0000000000..bcad2de9ac --- /dev/null +++ b/usr/src/psm/stand/bootlst/common/sasubr.c @@ -0,0 +1,117 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2008 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ +#pragma ident "%Z%%M% %I% %E% SMI" + +#include <sys/sysmacros.h> +#include <sys/salib.h> +#include <sys/promif.h> + +#define MINALLOC 8 +#define TOPMEM ((caddr_t)0x1000000) + +extern caddr_t _end; +extern struct boot_fs_ops promfs_ops; + +struct boot_fs_ops *boot_fsw[] = { + &promfs_ops, +}; +int boot_nfsw = sizeof (boot_fsw) / sizeof (boot_fsw[0]); + +void * +bkmem_alloc(size_t s) +{ + static caddr_t next; + caddr_t ret; + + if (next == NULL) + next = (caddr_t)roundup((uintptr_t)&_end, MINALLOC); + ret = next; + next += roundup(s, MINALLOC); + if (next >= TOPMEM) + prom_panic("out of memory"); + return (ret); +} + +/*ARGSUSED*/ +void +bkmem_free(void *p, size_t s) +{ +} + +int +cons_getchar(void) +{ + register int c; + + while ((c = prom_mayget()) == -1) + ; + if (c == '\r') { + prom_putchar(c); + c = '\n'; + } + if (c == 0177 || c == '\b') { + prom_putchar('\b'); + prom_putchar(' '); + c = '\b'; + } + prom_putchar(c); + return (c); +} + +char * +cons_gets(char *buf, int n) +{ + char *lp; + char *limit; + int c; + + lp = buf; + limit = &buf[n - 1]; + for (;;) { + c = cons_getchar() & 0177; + switch (c) { + case '\n': + case '\r': + *lp = '\0'; + return (buf); + case '\b': + if (lp > buf) + lp--; + continue; + case 'u'&037: /* ^U */ + lp = buf; + prom_putchar('\r'); + prom_putchar('\n'); + continue; + case 0: + continue; + default: + if (lp < limit) + *lp++ = (char)c; + else + prom_putchar('\a'); /* bell */ + } + } +} |