1990/1211/gnot/main.c (diff list | history)

1990/1128/sys/src/9/gnot/main.c:7,12 – 1990/1211/sys/src/9/gnot/main.c:7,15 (short | long | prev | next)
1990/03091		#include "ureg.h" #include "init.h"
1990/1211		#include <libg.h> #include <gnot.h>
1990/0613		typedef struct Boot Boot; struct Boot
1990/1128/sys/src/9/gnot/main.c:103,109 – 1990/1211/sys/src/9/gnot/main.c:106,117
1990/03091		{
1990/0613		Chan *c;
1990/1004		restore();
1990/1211		u->nerrlab = 0; m->proc = u->p; u->p->state = Running; u->p->mach = m; spllo();
1990/03091		chandevinit(); u->slash = (*devtab[0].attach)(0);
1990/1128/sys/src/9/gnot/main.c:137,142 – 1990/1211/sys/src/9/gnot/main.c:145,151
1990/03091		p->pgrp = newpgrp(); strcpy(p->text, "*init*");
1990/11211		strcpy(p->pgrp->user, user);
1990/1211		p->fpstate = FPinit;
1990/03091		/* * Kernel Stack
1990/1128/sys/src/9/gnot/main.c:177,183 – 1990/1211/sys/src/9/gnot/main.c:186,191
1990/03091		s->minva = UTZERO; s->maxva = UTZERO+BY2PG;
1990/1004		m->proc = p;
1990/03091		ready(p); }
1990/1128/sys/src/9/gnot/main.c:300,305 – 1990/1211/sys/src/9/gnot/main.c:308,314
1990/06021		conf.npage1 = (bank[1]*1024*1024)/BY2PG; conf.base1 = 16*1024*1024; conf.npage = conf.npage0+conf.npage1;
1990/1211		conf.maxialloc = (4*1024*1024-256*1024-BY2PG);
1990/0612		mul = 1 + (conf.npage1>0);
1990/0721		conf.nproc = 50*mul;
1990/0709		conf.npgrp = 12*mul;
1990/1128/sys/src/9/gnot/main.c:330,333 – 1990/1211/sys/src/9/gnot/main.c:339,411
1990/1006		conf.npipe = conf.nstream/2;
1990/1115		conf.nservice = 3*mul; /* was conf.nproc/5 */
1990/1110		conf.nfsyschan = 31 + conf.nchan/20;
1990/1211		} /* * set up floating point for a new process */ void setup(Proc *p) { long fpnull; fpnull = 0; splhi(); m->fpstate = FPinit; p->fpstate = FPinit; fprestore((FPsave*)&fpnull); spllo(); } /* * Save the part of the process state. */ void save(uchar *state, int len) { Balu *balu; if(len < sizeof(Balu)) panic("save state too small"); balu = (Balu *)state; fpsave(&u->fpsave); if(u->fpsave.type){ if(u->fpsave.size > sizeof u->fpsave.junk) panic("fpsize %d max %d\n", u->fpsave.size, sizeof u->fpsave.junk); fpregsave(u->fpsave.reg); u->p->fpstate = FPactive; m->fpstate = FPdirty; } if(BALU->cr0 != 0xFFFFFFFF) /* balu busy */ memcpy(balu, BALU, sizeof(Balu)); else{ balu->cr0 = 0xFFFFFFFF; BALU->cr0 = 0xFFFFFFFF; } } /* * Restore what save() saves * * Save() makes sure that what state points to is long enough */ void restore(Proc *p, uchar *state) { Balu *balu; balu = (Balu *)state; if(p->fpstate != m->fpstate){ if(p->fpstate == FPinit){ u->p->fpstate = FPinit; fprestore(&initfp); m->fpstate = FPinit; }else{ fpregrestore(u->fpsave.reg); fprestore(&u->fpsave); m->fpstate = FPdirty; } } if(balu->cr0 != 0xFFFFFFFF) /* balu busy */ memcpy(BALU, balu, sizeof balu);
1990/03091		}