/* swapgeneric.c 4.5 82/12/17 */ #include "mba.h" #include "../machine/pte.h" #include "../h/param.h" #include "../h/conf.h" #include "../h/buf.h" #include "../h/vm.h" #include "../h/systm.h" #include "../h/reboot.h" #include "../vax/cons.h" #include "../vax/mtpr.h" #include "../vaxmba/mbareg.h" #include "../vaxmba/mbavar.h" #include "../vaxuba/ubareg.h" #include "../vaxuba/ubavar.h" /* * Generic configuration; all in one */ dev_t rootdev, argdev, dumpdev; int nswap; struct swdevt swdevt[] = { -1, 1, 0, 0, }; long dumplo; extern struct mba_driver hpdriver; extern struct uba_driver scdriver; extern struct uba_driver hkdriver; extern struct uba_driver idcdriver; extern struct uba_driver udadriver; struct genericconf { caddr_t gc_driver; char *gc_name; dev_t gc_root; long gc_nswap; long gc_dumplo; } genericconf[] = { (caddr_t)&hpdriver, "hp", makedev(0, 0), 33440, 33440 - 10*2048, (caddr_t)&scdriver, "up", makedev(2, 0), 33440, 33440 - 10*2048, (caddr_t)&udadriver, "ra", makedev(9, 0), 33440, 33440 - 10*2048, (caddr_t)&idcdriver, "rb", makedev(11, 0),33440, 33440 - 10*2048, (caddr_t)&idcdriver, "rl", makedev(11, 0), 4480, 0, (caddr_t)&hkdriver, "hk", makedev(3, 0), 10032, 10032 - 2*(2048+1024), 0, }; setconf() { register struct mba_device *mi; register struct uba_device *ui; register struct genericconf *gc; int unit, swaponroot = 0; if (boothowto & RB_ASKNAME) { char name[128]; retry: printf("root device? "); gets(name); for (gc = genericconf; gc->gc_driver; gc++) if (gc->gc_name[0] == name[0] && gc->gc_name[1] == name[1]) goto gotit; goto bad; gotit: if (name[3] == '*') { name[3] = name[4]; swaponroot++; } if (name[2] >= '0' && name[2] <= '7' && name[3] == 0) { unit = name[2] - '0'; goto found; } printf("bad/missing unit number\n"); bad: printf("use hp%%d, up%%d, ra%%d, rb%%d, rl%%d or hk%%d\n"); goto retry; } unit = 0; for (gc = genericconf; gc->gc_driver; gc++) { for (mi = mbdinit; mi->mi_driver; mi++) { if (mi->mi_alive == 0) continue; if (mi->mi_unit == 0 && mi->mi_driver == (struct mba_driver *)gc->gc_driver) { printf("root on %s0\n", mi->mi_driver->md_dname); goto found; } } for (ui = ubdinit; ui->ui_driver; ui++) { if (ui->ui_alive == 0) continue; if (ui->ui_unit == 0 && ui->ui_driver == (struct uba_driver *)gc->gc_driver) { printf("root on %s0\n", ui->ui_driver->ud_dname); goto found; } } } printf("no suitable root\n"); asm("halt"); found: gc->gc_root = makedev(major(gc->gc_root), unit*8); rootdev = gc->gc_root; swdevt[0].sw_dev = argdev = dumpdev = makedev(major(rootdev), minor(rootdev)+1); nswap = gc->gc_nswap; dumplo = gc->gc_dumplo; if (swaponroot) rootdev = dumpdev; } getchar() { register c; while((mfpr(RXCS)&RXCS_DONE) == 0) ; c = mfpr(RXDB)&0177; if (c=='\r') c = '\n'; cnputc(c); return(c); } gets(cp) char *cp; { register char *lp; register c; lp = cp; for (;;) { c = getchar() & 0177; switch(c) { case '\n': case '\r': *lp++ = '\0'; return; case '\b': case '#': lp--; if (lp < cp) lp = cp; continue; case '@': case 'u'&037: lp = cp; cnputc('\n'); continue; default: *lp++ = c; } } }