1/* $NetBSD: src/sys/arch/ia64/stand/ia64/ski/main.c,v 1.2 2009-07-20 04:59:04 kiyohara Exp $ */ 2 3/*- 4 * Copyright (c) 1998 Michael Smith <msmith@freebsd.org> 5 * Copyright (c) 1998,2000 Doug Rabson <dfr@freebsd.org> 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30#include <sys/cdefs.h> 31 32#include <lib/libsa/stand.h> 33#include <lib/libsa/loadfile.h> 34 35#include "bootstrap.h" 36#include "libski.h" 37 38static int command_quit(int argc, char *argv[]); 39 40extern char bootprog_name[]; 41extern char bootprog_rev[]; 42 43struct bootblk_command commands[] = { 44 COMMON_COMMANDS, 45 { "quit", "exit the loader", command_quit }, 46 { NULL, NULL, NULL }, 47}; 48 49struct ski_devdesc currdev; /* our current device */ 50struct arch_switch archsw; /* MI/MD interface boundary */ 51 52static int 53ski_autoload(void) 54{ 55 56 return (0); 57} 58 59void 60ski_main(void) 61{ 62 static char malloc[512*1024]; 63 int i; 64 65 /* 66 * initialise the heap as early as possible. Once this is done, 67 * alloc() is usable. The stack is buried inside us, so this is 68 * safe. 69 */ 70 setheap((void *)malloc, (void *)(malloc + 512*1024)); 71 72 /* 73 * XXX Chicken-and-egg problem; we want to have console output 74 * early, but some console attributes may depend on reading from 75 * eg. the boot device, which we can't do yet. We can use 76 * printf() etc. once this is done. 77 */ 78 cons_probe(); 79 80 /* 81 * Initialise the block cache XXX: Fixme: do we need the bcache ? 82 */ 83 /* bcache_init(32, 512); */ /* 16k XXX tune this */ 84 85 /* Initialise skifs.c */ 86 87 skifs_dev_init(); 88 89 printf("\n"); 90 printf("%s, Revision %s\n", bootprog_name, bootprog_rev); 91#if 0 92 printf("Memory: %ld k\n", memsize() / 1024); 93#endif 94 95 /* XXX presumes that biosdisk is first in devsw */ 96 currdev.d_dev = &devsw[0]; 97 currdev.d_type = DEVT_DISK; 98 currdev.d_kind.skidisk.unit = 0; 99 /* XXX should be able to detect this, default to autoprobe */ 100 currdev.d_kind.skidisk.slice = -1; 101 /* default to 'a' */ 102 currdev.d_kind.skidisk.partition = 0; 103 104#if 0 105 /* Create arc-specific variables */ 106 bootfile = GetEnvironmentVariable(ARCENV_BOOTFILE); 107 if (bootfile) 108 setenv("bootfile", bootfile, 1); 109#endif 110 111 env_setenv("currdev", EV_VOLATILE, ski_fmtdev(&currdev), 112 (ev_sethook_t *) ski_setcurrdev, env_nounset); 113 env_setenv("loaddev", EV_VOLATILE, ski_fmtdev(&currdev), env_noset, 114 env_nounset); 115 116 setenv("LINES", "24", 1); /* optional */ 117 118 archsw.arch_autoload = ski_autoload; 119 archsw.arch_getdev = ski_getdev; 120 archsw.arch_copyin = ski_copyin; 121 archsw.arch_copyout = ski_copyout; 122 archsw.arch_readin = ski_readin; 123 124 interact(); /* doesn't return */ 125 126 exit(0); 127} 128 129static int 130command_quit(int argc, char *argv[]) 131{ 132 exit(0); 133 return (CMD_OK); 134} 135