1/* $NetBSD: iris_parse.c,v 1.1 2019/01/12 16:44:47 tsutsui Exp $ */ 2 3/* 4 * Copyright (c) 2018 Naruaki Etomi 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28/* 29 * Silicon Graphics "IRIS" series MIPS processors machine bootloader. 30 * Parse argv argument vector. 31 */ 32 33#include <lib/libsa/stand.h> 34#include <lib/libkern/libkern.h> 35 36#include "iris_machdep.h" 37#include "iris_scsivar.h" 38 39uint8_t scsi_ctlr = 255, scsi_id = 255, scsi_part = 255; 40 41void 42parse(char *argv[], char *kernelname) 43{ 44 char disksetting[1 + 32]; 45 char bootpath[1 + 64]; 46 int i; 47 48 char *ep = strcpy(bootpath, argv[1]); 49 ep = strrchr(bootpath, '/'); 50 if (ep == NULL) 51 again(); 52 53 strcpy(kernelname, ep + 1); 54 55 i = ep - bootpath; 56 bootpath[i - 1] = '\0'; 57 58 ep = strchr(bootpath, '('); 59 if (ep == NULL) 60 /* horrible! */ 61 again(); 62 63 /* ctlr,id,part */ 64 strcpy(disksetting, ep + 1); 65 66 i = 0; 67 68 while (disksetting[i] != '\0') { 69 if (disksetting[i] >= '0' && disksetting[i] <= '9') { 70 if (i == 0) 71 scsi_ctlr = atoi(&disksetting[i]); 72 if (i == 2) 73 scsi_id = atoi(&disksetting[i]); 74 if (i == 4) 75 scsi_part = atoi(&disksetting[i]); 76 } 77 i++; 78 } 79 80 if ((scsi_ctlr == 255) || (scsi_id == 255) || (scsi_part == 255)) 81 again(); 82} 83