diff options
| -rw-r--r-- | serverboot/translate_root.c | 124 | ||||
| -rw-r--r-- | serverboot/translate_root.h | 41 |
2 files changed, 0 insertions, 165 deletions
diff --git a/serverboot/translate_root.c b/serverboot/translate_root.c deleted file mode 100644 index b544d5c8..00000000 --- a/serverboot/translate_root.c +++ /dev/null @@ -1,124 +0,0 @@ -/* - * Copyright (c) 1995 The University of Utah and - * the Computer Systems Laboratory at the University of Utah (CSL). - * All rights reserved. - * - * Permission to use, copy, modify and distribute this software is hereby - * granted provided that (1) source code retains these copyright, permission, - * and disclaimer notices, and (2) redistributions including binaries - * reproduce the notices in supporting documentation, and (3) all advertising - * materials mentioning features or use of this software display the following - * acknowledgement: ``This product includes software developed by the - * Computer Systems Laboratory at the University of Utah.'' - * - * THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS - * IS" CONDITION. THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF - * ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. - * - * CSL requests users of this software to return to csl-dist@cs.utah.edu any - * improvements that they make and grant CSL redistribution rights. - * - * Author: Stephen Clawson, University of Utah CSL - */ - - -#include "translate_root.h" - -unsigned int atoh(ap) - char *ap; -{ - register char *p; - register unsigned int n; - register int digit,lcase; - - p = ap; - n = 0; - while(*p == ' ') - p++; - while ((digit = (*p >= '0' && *p <= '9')) || - (lcase = (*p >= 'a' && *p <= 'f')) || - (*p >= 'A' && *p <= 'F')) { - n *= 16; - if (digit) n += *p++ - '0'; - else if (lcase) n += 10 + (*p++ - 'a'); - else n += 10 + (*p++ - 'A'); - } - return(n); -} - -/* - * Translate the root device from whatever strange encoding we might - * be given. Currently that includes BSD's slightly different name - * for IDE devices, and Linux's device number encoding (since that's - * what LILO passes us, for whatever reason). - */ -char * -translate_root(root_string) - char *root_string; -{ - int linuxdev = atoh(root_string); - - /* LILO passes us a string representing the linux device number of - * our root device. Since this is _not_ what we want, we'll make - * a stab at converting it. - * - * Linux major numbers we care about: - * - * 2 = fd - * 3 = hd[ab] (IDE channel 1) - * 8 = sd - * 22 = hd[cd] (IDE channel 2) - * - */ - if (linuxdev) { - if (LINUX_MAJOR(linuxdev) == 2) { - root_string[0] = 'f'; - root_string[1] = 'd'; - root_string[2] = LINUX_FD_DEVICE_NR(linuxdev) + '0'; - root_string[3] = '\0'; - } else { - int shift; - - switch (LINUX_MAJOR(linuxdev)) { - case 3: - case 22: - shift = 6; - root_string[0] = 'h'; - break; - case 8: - shift = 4; - root_string[0] = 's'; - break; - default: - printf("Unknown linux device" - "(major = %d, minor = %d) passed as " - "root argument!\n" - "using hd0a as default.\n", - LINUX_MAJOR(linuxdev), - LINUX_MINOR(linuxdev)); - shift = 1; - root_string[0] = 'h'; - linuxdev = 1; - } - - root_string[1] = 'd'; - root_string[2] = LINUX_DEVICE_NR(linuxdev, shift)+'0'; - root_string[3] = LINUX_PARTN(linuxdev, shift)+'a' - 1; - root_string[4] = '\0'; - } - } else - /* This could be handled much simpler in the BSD boot - * adapter code, but baford insists that the boot - * adapter code shouldn't be tainted by Mach's notion - * of the `correct' device naming. Thus, we get wdxx - * instead of hdxx if booted from the BSD bootblocks, - * and this is the lame hack that tries to convert it. - */ - if (root_string[0] == 'w' && root_string[1] == 'd') - root_string[0] = 'h'; - - return root_string; -} - - - diff --git a/serverboot/translate_root.h b/serverboot/translate_root.h deleted file mode 100644 index e5bab70a..00000000 --- a/serverboot/translate_root.h +++ /dev/null @@ -1,41 +0,0 @@ -/* - * Copyright (c) 1995 The University of Utah and - * the Computer Systems Laboratory at the University of Utah (CSL). - * All rights reserved. - * - * Permission to use, copy, modify and distribute this software is hereby - * granted provided that (1) source code retains these copyright, permission, - * and disclaimer notices, and (2) redistributions including binaries - * reproduce the notices in supporting documentation, and (3) all advertising - * materials mentioning features or use of this software display the following - * acknowledgement: ``This product includes software developed by the - * Computer Systems Laboratory at the University of Utah.'' - * - * THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS - * IS" CONDITION. THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF - * ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. - * - * CSL requests users of this software to return to csl-dist@cs.utah.edu any - * improvements that they make and grant CSL redistribution rights. - * - * Author: Stephen Clawson, University of Utah CSL - */ - -#ifndef _TRANSLATE_ROOT_H_ -#define _TRANSLATE_ROOT_H_ - -#define DEFAULT_ROOT "hd0a" - -extern char *translate_root(char *); - -#define LINUX_MAJOR(a) (int)((unsigned short)(a) >> 8) -#define LINUX_MINOR(a) (int)((unsigned short)(a) & 0xFF) - -#define LINUX_PARTN(device, shift) \ - (LINUX_MINOR(device) & ((1 << (shift)) - 1)) -#define LINUX_DEVICE_NR(device, shift) \ - (LINUX_MINOR(device) >> (shift)) -#define LINUX_FD_DEVICE_NR(device) \ - ( ((device) & 3) | (((device) & 0x80 ) >> 5 )) - -#endif /* _TRANSLATE_ROOT_H_ */ |