2 * Copyright (c) 1998 Michael Smith <msmith@freebsd.org>
3 * Copyright (c) 1998,2000 Doug Rabson <dfr@freebsd.org>
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 #include <sys/cdefs.h>
29 __FBSDID("$FreeBSD$");
34 #include <machine/fpu.h>
39 extern char bootprog_name[];
40 extern char bootprog_rev[];
41 extern char bootprog_date[];
42 extern char bootprog_maker[];
44 struct devdesc currdev; /* our current device */
45 struct arch_switch archsw; /* MI/MD interface boundary */
50 static char malloc[512*1024];
54 * initialise the heap as early as possible. Once this is done,
55 * alloc() is usable. The stack is buried inside us, so this is
58 setheap((void *)malloc, (void *)(malloc + 512*1024));
61 * XXX Chicken-and-egg problem; we want to have console output
62 * early, but some console attributes may depend on reading from
63 * eg. the boot device, which we can't do yet. We can use
64 * printf() etc. once this is done.
69 * March through the device switch probing for things.
71 for (i = 0; devsw[i] != NULL; i++)
72 if (devsw[i]->dv_init != NULL)
73 (devsw[i]->dv_init)();
76 printf("%s, Revision %s\n", bootprog_name, bootprog_rev);
77 printf("(%s, %s)\n", bootprog_maker, bootprog_date);
79 printf("Memory: %ld k\n", memsize() / 1024);
82 /* XXX presumes that biosdisk is first in devsw */
83 currdev.d_dev = devsw[0];
84 currdev.d_type = currdev.d_dev->dv_type;
88 /* Create arc-specific variables */
89 bootfile = GetEnvironmentVariable(ARCENV_BOOTFILE);
91 setenv("bootfile", bootfile, 1);
94 env_setenv("currdev", EV_VOLATILE, ia64_fmtdev(&currdev),
95 ia64_setcurrdev, env_nounset);
96 env_setenv("loaddev", EV_VOLATILE, ia64_fmtdev(&currdev), env_noset,
99 setenv("LINES", "24", 1); /* optional */
101 archsw.arch_autoload = ia64_autoload;
102 archsw.arch_getdev = ia64_getdev;
103 archsw.arch_copyin = ia64_copyin;
104 archsw.arch_copyout = ia64_copyout;
105 archsw.arch_readin = ia64_readin;
107 interact(); /* doesn't return */
112 COMMAND_SET(quit, "quit", "exit the loader", command_quit);
115 command_quit(int argc, char *argv[])