1/*- 2 * Copyright (c) 1998 Michael Smith <msmith@freebsd.org> 3 * Copyright (c) 1998,2000 Doug Rabson <dfr@freebsd.org> 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 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. 14 * 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 25 * SUCH DAMAGE. 26 */ 27 28#include <sys/cdefs.h> 29__FBSDID("$FreeBSD$"); 30 31#include <stand.h> 32#include <string.h> 33#include <setjmp.h> 34#include <machine/fpu.h> 35 36#include <libia64.h> 37#include "libski.h" 38 39extern char bootprog_name[]; 40extern char bootprog_rev[]; 41extern char bootprog_date[]; 42extern char bootprog_maker[]; 43 44struct devdesc currdev; /* our current device */ 45struct arch_switch archsw; /* MI/MD interface boundary */ 46 47void 48ski_main(void) 49{ 50 static char malloc[512*1024]; 51 int i; 52 53 /* 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 56 * safe. 57 */ 58 setheap((void *)malloc, (void *)(malloc + 512*1024)); 59 60 /* 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. 65 */ 66 cons_probe(); 67 68 /* 69 * March through the device switch probing for things. 70 */ 71 for (i = 0; devsw[i] != NULL; i++) 72 if (devsw[i]->dv_init != NULL) 73 (devsw[i]->dv_init)(); 74 75 printf("\n"); 76 printf("%s, Revision %s\n", bootprog_name, bootprog_rev); 77 printf("(%s, %s)\n", bootprog_maker, bootprog_date); 78#if 0 79 printf("Memory: %ld k\n", memsize() / 1024); 80#endif 81 82 /* XXX presumes that biosdisk is first in devsw */ 83 currdev.d_dev = devsw[0]; 84 currdev.d_type = currdev.d_dev->dv_type; 85 currdev.d_unit = 0; 86 87#if 0 88 /* Create arc-specific variables */ 89 bootfile = GetEnvironmentVariable(ARCENV_BOOTFILE); 90 if (bootfile) 91 setenv("bootfile", bootfile, 1); 92#endif 93 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, 97 env_nounset); 98 99 setenv("LINES", "24", 1); /* optional */ 100 101 archsw.arch_autoload = ia64_autoload; 102 archsw.arch_copyin = ia64_copyin; 103 archsw.arch_copyout = ia64_copyout; 104 archsw.arch_getdev = ia64_getdev; 105 archsw.arch_loadaddr = ia64_loadaddr; 106 archsw.arch_loadseg = ia64_loadseg; 107 archsw.arch_readin = ia64_readin; 108 109 interact(); /* doesn't return */ 110 111 exit(0); 112} 113 114COMMAND_SET(quit, "quit", "exit the loader", command_quit); 115 116static int 117command_quit(int argc, char *argv[]) 118{ 119 exit(0); 120 return (CMD_OK); 121} 122