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boot.c revision 1.5.2.2
      1  1.5.2.2  pgoyette /*	$NetBSD: boot.c,v 1.5.2.2 2018/09/06 06:56:47 pgoyette Exp $	*/
      2  1.5.2.2  pgoyette 
      3  1.5.2.2  pgoyette /*-
      4  1.5.2.2  pgoyette  * Copyright (c) 2016 Kimihiro Nonaka <nonaka (at) netbsd.org>
      5  1.5.2.2  pgoyette  * Copyright (c) 2018 Jared McNeill <jmcneill (at) invisible.ca>
      6  1.5.2.2  pgoyette  * All rights reserved.
      7  1.5.2.2  pgoyette  *
      8  1.5.2.2  pgoyette  * Redistribution and use in source and binary forms, with or without
      9  1.5.2.2  pgoyette  * modification, are permitted provided that the following conditions
     10  1.5.2.2  pgoyette  * are met:
     11  1.5.2.2  pgoyette  * 1. Redistributions of source code must retain the above copyright
     12  1.5.2.2  pgoyette  *    notice, this list of conditions and the following disclaimer.
     13  1.5.2.2  pgoyette  * 2. Redistributions in binary form must reproduce the above copyright
     14  1.5.2.2  pgoyette  *    notice, this list of conditions and the following disclaimer in the
     15  1.5.2.2  pgoyette  *    documentation and/or other materials provided with the distribution.
     16  1.5.2.2  pgoyette  *
     17  1.5.2.2  pgoyette  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     18  1.5.2.2  pgoyette  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     19  1.5.2.2  pgoyette  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     20  1.5.2.2  pgoyette  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     21  1.5.2.2  pgoyette  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     22  1.5.2.2  pgoyette  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     23  1.5.2.2  pgoyette  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     24  1.5.2.2  pgoyette  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     25  1.5.2.2  pgoyette  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     26  1.5.2.2  pgoyette  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     27  1.5.2.2  pgoyette  * SUCH DAMAGE.
     28  1.5.2.2  pgoyette  */
     29  1.5.2.2  pgoyette 
     30  1.5.2.2  pgoyette #include "efiboot.h"
     31  1.5.2.2  pgoyette #include "efiblock.h"
     32  1.5.2.2  pgoyette #include "efifdt.h"
     33  1.5.2.2  pgoyette 
     34  1.5.2.2  pgoyette #include <sys/bootblock.h>
     35  1.5.2.2  pgoyette #include <sys/boot_flag.h>
     36  1.5.2.2  pgoyette #include <machine/limits.h>
     37  1.5.2.2  pgoyette 
     38  1.5.2.2  pgoyette #include <loadfile.h>
     39  1.5.2.2  pgoyette 
     40  1.5.2.2  pgoyette extern const char bootprog_name[], bootprog_rev[], bootprog_kernrev[];
     41  1.5.2.2  pgoyette 
     42  1.5.2.2  pgoyette extern char twiddle_toggle;
     43  1.5.2.2  pgoyette 
     44  1.5.2.2  pgoyette static const char * const names[][2] = {
     45  1.5.2.2  pgoyette 	{ "netbsd", "netbsd.gz" },
     46  1.5.2.2  pgoyette 	{ "onetbsd", "onetbsd.gz" },
     47  1.5.2.2  pgoyette 	{ "netbsd.old", "netbsd.old.gz" },
     48  1.5.2.2  pgoyette };
     49  1.5.2.2  pgoyette 
     50  1.5.2.2  pgoyette #define NUMNAMES	__arraycount(names)
     51  1.5.2.2  pgoyette #define DEFFILENAME	names[0][0]
     52  1.5.2.2  pgoyette 
     53  1.5.2.2  pgoyette #define	DEFTIMEOUT	5
     54  1.5.2.2  pgoyette 
     55  1.5.2.2  pgoyette static char default_device[32];
     56  1.5.2.2  pgoyette 
     57  1.5.2.2  pgoyette void	command_boot(char *);
     58  1.5.2.2  pgoyette void	command_dev(char *);
     59  1.5.2.2  pgoyette void	command_ls(char *);
     60  1.5.2.2  pgoyette void	command_reset(char *);
     61  1.5.2.2  pgoyette void	command_version(char *);
     62  1.5.2.2  pgoyette void	command_quit(char *);
     63  1.5.2.2  pgoyette 
     64  1.5.2.2  pgoyette const struct boot_command commands[] = {
     65  1.5.2.2  pgoyette 	{ "boot",	command_boot,		"boot [fsN:][filename] [args]\n     (ex. \"fs0:\\netbsd.old -s\"" },
     66  1.5.2.2  pgoyette 	{ "dev",	command_dev,		"dev" },
     67  1.5.2.2  pgoyette 	{ "ls",		command_ls,		"ls [hdNn:/path]" },
     68  1.5.2.2  pgoyette 	{ "version",	command_version,	"version" },
     69  1.5.2.2  pgoyette 	{ "help",	command_help,		"help|?" },
     70  1.5.2.2  pgoyette 	{ "?",		command_help,		NULL },
     71  1.5.2.2  pgoyette 	{ "quit",	command_quit,		"quit" },
     72  1.5.2.2  pgoyette 	{ NULL,		NULL },
     73  1.5.2.2  pgoyette };
     74  1.5.2.2  pgoyette 
     75  1.5.2.2  pgoyette void
     76  1.5.2.2  pgoyette command_help(char *arg)
     77  1.5.2.2  pgoyette {
     78  1.5.2.2  pgoyette 	int n;
     79  1.5.2.2  pgoyette 
     80  1.5.2.2  pgoyette 	printf("commands are:\n");
     81  1.5.2.2  pgoyette 	for (n = 0; commands[n].c_name; n++) {
     82  1.5.2.2  pgoyette 		if (commands[n].c_help)
     83  1.5.2.2  pgoyette 			printf("%s\n", commands[n].c_help);
     84  1.5.2.2  pgoyette 	}
     85  1.5.2.2  pgoyette }
     86  1.5.2.2  pgoyette 
     87  1.5.2.2  pgoyette void
     88  1.5.2.2  pgoyette command_boot(char *arg)
     89  1.5.2.2  pgoyette {
     90  1.5.2.2  pgoyette 	char *fname = arg;
     91  1.5.2.2  pgoyette 	char *bootargs = gettrailer(arg);
     92  1.5.2.2  pgoyette 
     93  1.5.2.2  pgoyette 	exec_netbsd(*fname ? fname : DEFFILENAME, bootargs);
     94  1.5.2.2  pgoyette }
     95  1.5.2.2  pgoyette 
     96  1.5.2.2  pgoyette void
     97  1.5.2.2  pgoyette command_dev(char *arg)
     98  1.5.2.2  pgoyette {
     99  1.5.2.2  pgoyette 	if (arg && *arg) {
    100  1.5.2.2  pgoyette 		set_default_device(arg);
    101  1.5.2.2  pgoyette 	} else {
    102  1.5.2.2  pgoyette 		efi_block_show();
    103  1.5.2.2  pgoyette 		efi_net_show();
    104  1.5.2.2  pgoyette 		efi_pxe_show();
    105  1.5.2.2  pgoyette 	}
    106  1.5.2.2  pgoyette 
    107  1.5.2.2  pgoyette 	if (strlen(default_device) > 0) {
    108  1.5.2.2  pgoyette 		printf("\n");
    109  1.5.2.2  pgoyette 		printf("default: %s\n", default_device);
    110  1.5.2.2  pgoyette 	}
    111  1.5.2.2  pgoyette }
    112  1.5.2.2  pgoyette 
    113  1.5.2.2  pgoyette void
    114  1.5.2.2  pgoyette command_ls(char *arg)
    115  1.5.2.2  pgoyette {
    116  1.5.2.2  pgoyette 	ls(arg);
    117  1.5.2.2  pgoyette }
    118  1.5.2.2  pgoyette 
    119  1.5.2.2  pgoyette void
    120  1.5.2.2  pgoyette command_version(char *arg)
    121  1.5.2.2  pgoyette {
    122  1.5.2.2  pgoyette 	char *ufirmware;
    123  1.5.2.2  pgoyette 	int rv;
    124  1.5.2.2  pgoyette 
    125  1.5.2.2  pgoyette 	printf("EFI version: %d.%02d\n",
    126  1.5.2.2  pgoyette 	    ST->Hdr.Revision >> 16, ST->Hdr.Revision & 0xffff);
    127  1.5.2.2  pgoyette 	ufirmware = NULL;
    128  1.5.2.2  pgoyette 	rv = ucs2_to_utf8(ST->FirmwareVendor, &ufirmware);
    129  1.5.2.2  pgoyette 	if (rv == 0) {
    130  1.5.2.2  pgoyette 		printf("EFI Firmware: %s (rev %d.%02d)\n", ufirmware,
    131  1.5.2.2  pgoyette 		    ST->FirmwareRevision >> 16,
    132  1.5.2.2  pgoyette 		    ST->FirmwareRevision & 0xffff);
    133  1.5.2.2  pgoyette 		FreePool(ufirmware);
    134  1.5.2.2  pgoyette 	}
    135  1.5.2.2  pgoyette 
    136  1.5.2.2  pgoyette 	efi_fdt_show();
    137  1.5.2.2  pgoyette }
    138  1.5.2.2  pgoyette 
    139  1.5.2.2  pgoyette void
    140  1.5.2.2  pgoyette command_quit(char *arg)
    141  1.5.2.2  pgoyette {
    142  1.5.2.2  pgoyette 	efi_exit();
    143  1.5.2.2  pgoyette }
    144  1.5.2.2  pgoyette 
    145  1.5.2.2  pgoyette int
    146  1.5.2.2  pgoyette set_default_device(char *arg)
    147  1.5.2.2  pgoyette {
    148  1.5.2.2  pgoyette 	if (strlen(arg) + 1 > sizeof(default_device))
    149  1.5.2.2  pgoyette 		return ERANGE;
    150  1.5.2.2  pgoyette 	strcpy(default_device, arg);
    151  1.5.2.2  pgoyette 	return 0;
    152  1.5.2.2  pgoyette }
    153  1.5.2.2  pgoyette 
    154  1.5.2.2  pgoyette char *
    155  1.5.2.2  pgoyette get_default_device(void)
    156  1.5.2.2  pgoyette {
    157  1.5.2.2  pgoyette 	return default_device;
    158  1.5.2.2  pgoyette }
    159  1.5.2.2  pgoyette 
    160  1.5.2.2  pgoyette void
    161  1.5.2.2  pgoyette print_banner(void)
    162  1.5.2.2  pgoyette {
    163  1.5.2.2  pgoyette 	printf("\n\n"
    164  1.5.2.2  pgoyette 	    ">> %s, Revision %s (from NetBSD %s)\n",
    165  1.5.2.2  pgoyette 	    bootprog_name, bootprog_rev, bootprog_kernrev);
    166  1.5.2.2  pgoyette }
    167  1.5.2.2  pgoyette 
    168  1.5.2.2  pgoyette void
    169  1.5.2.2  pgoyette boot(void)
    170  1.5.2.2  pgoyette {
    171  1.5.2.2  pgoyette 	int currname, c;
    172  1.5.2.2  pgoyette 
    173  1.5.2.2  pgoyette 	print_banner();
    174  1.5.2.2  pgoyette 
    175  1.5.2.2  pgoyette 	printf("Press return to boot now, any other key for boot prompt\n");
    176  1.5.2.2  pgoyette 	for (currname = 0; currname < NUMNAMES; currname++) {
    177  1.5.2.2  pgoyette 		printf("booting %s - starting in ", names[currname][0]);
    178  1.5.2.2  pgoyette 
    179  1.5.2.2  pgoyette 		c = awaitkey(DEFTIMEOUT, 1);
    180  1.5.2.2  pgoyette 		if ((c != '\r') && (c != '\n') && (c != '\0')) {
    181  1.5.2.2  pgoyette 			bootprompt(); /* does not return */
    182  1.5.2.2  pgoyette 		}
    183  1.5.2.2  pgoyette 
    184  1.5.2.2  pgoyette 		/*
    185  1.5.2.2  pgoyette 		 * try pairs of names[] entries, foo and foo.gz
    186  1.5.2.2  pgoyette 		 */
    187  1.5.2.2  pgoyette 		exec_netbsd(names[currname][0], "");
    188  1.5.2.2  pgoyette 		exec_netbsd(names[currname][1], "");
    189  1.5.2.2  pgoyette 	}
    190  1.5.2.2  pgoyette 
    191  1.5.2.2  pgoyette 	bootprompt();	/* does not return */
    192  1.5.2.2  pgoyette }
    193