plan 9 kernel history: overview | file list | diff list

1991/0710/power/main.c (diff list | history)

1990/0227/sys/src/9/power/main.c:371,377 – 1990/0312/sys/src/9/power/main.c:371,377 (short | long)
1990/0227    
	conf.npage = i*1024/4; 
 
	conf.npte = 20000; 
	conf.nmod = 500;
1990/0312    
	conf.nmod = 2000;
1990/0227    
	conf.nalarm = 1000; 
	conf.norig = 500; 
	conf.nchan = 500;
1990/0312/sys/src/9/power/main.c:375,383 – 1990/0321/sys/src/9/power/main.c:375,383 (short | long)
1990/0227    
	conf.nalarm = 1000; 
	conf.norig = 500; 
	conf.nchan = 500; 
	conf.nenv = 200; 
	conf.nenvchar = 10000; 
	conf.npgenv = 200;
1990/0321    
	conf.nenv = 400; 
	conf.nenvchar = 20000; 
	conf.npgenv = 400;
1990/0227    
	conf.nmtab = 100; 
	conf.nmount = 500; 
	conf.nmntdev = 30;
1990/0321/sys/src/9/power/main.c:359,365 – 1990/0322/sys/src/9/power/main.c:359,365 (short | long)
1990/0227    
	conf.npgrp = 100; 
 
	x = 0x12345678; 
	for(i=4; i<64; i+=4){
1990/0322    
	for(i=4; i<128; i+=4){
1990/0227    
		l = (long*)(KSEG1|(i*1024L*1024L)); 
		*l = x; 
		wbflush();
1990/0321/sys/src/9/power/main.c:372,378 – 1990/0322/sys/src/9/power/main.c:372,378
1990/0227    
 
	conf.npte = 20000;
1990/0312    
	conf.nmod = 2000;
1990/0227    
	conf.nalarm = 1000;
1990/0322    
	conf.nalarm = 10000;
1990/0227    
	conf.norig = 500; 
	conf.nchan = 500;
1990/0321    
	conf.nenv = 400;
1990/0322/sys/src/9/power/main.c:370,376 – 1990/0325/sys/src/9/power/main.c:370,376 (short | long)
1990/0227    
	} 
	conf.npage = i*1024/4; 
 
	conf.npte = 20000;
1990/0325    
	conf.npte = 40000;
1990/0312    
	conf.nmod = 2000;
1990/0322    
	conf.nalarm = 10000;
1990/0227    
	conf.norig = 500;
1990/0325/sys/src/9/power/main.c:370,376 – 1990/0409/sys/src/9/power/main.c:370,376 (short | long)
1990/0227    
	} 
	conf.npage = i*1024/4;
1990/0325    
	conf.npte = 40000;
1990/0409    
	conf.npte = 50000;
1990/0312    
	conf.nmod = 2000;
1990/0322    
	conf.nalarm = 10000;
1990/0227    
	conf.norig = 500;
1990/0409/sys/src/9/power/main.c:370,376 – 1990/04101/sys/src/9/power/main.c:370,376 (short | long)
1990/0227    
	} 
	conf.npage = i*1024/4;
1990/0409    
	conf.npte = 50000;
1990/04101    
	conf.npte = 60000;
1990/0312    
	conf.nmod = 2000;
1990/0322    
	conf.nalarm = 10000;
1990/0227    
	conf.norig = 500;
1990/04101/sys/src/9/power/main.c:370,376 – 1990/0412/sys/src/9/power/main.c:370,376 (short | long)
1990/0227    
	} 
	conf.npage = i*1024/4;
1990/04101    
	conf.npte = 60000;
1990/0412    
	conf.npte = 4*conf.npage;
1990/0312    
	conf.nmod = 2000;
1990/0322    
	conf.nalarm = 10000;
1990/0227    
	conf.norig = 500;
1990/0412/sys/src/9/power/main.c:7,17 – 1990/0424/sys/src/9/power/main.c:7,28 (short | long)
1990/0227    
#include	"ureg.h" 
#include	"init.h"
1990/0424    
/* 
 *  args passed by boot process 
 */ 
int _argc; char **_argv; char **_env; 
 
char *argv[5]; 
char argx[4][64];
1990/0227    
void 
main(void) 
{
1990/0424    
	int i;
1990/0227    
	active.exiting = 0; 
	active.machs = 1;
1990/0424    
	arginit();
1990/0227    
	machinit(); 
	confinit(); 
	lockinit();
1990/0412/sys/src/9/power/main.c:33,38 – 1990/0424/sys/src/9/power/main.c:44,63
1990/0227    
} 
 
void
1990/0424    
arginit(void) 
{ 
	int i; 
 
	if(_argc > 5) 
		_argc = 5; 
 
	for(i = 1; i < _argc; i++){ 
		strcpy(argx[i-1], _argv[i]); 
		argv[i-1] = &(argx[i-1][0]); 
	} 
} 
 
void
1990/0227    
machinit(void) 
{ 
	int n;
1990/0412/sys/src/9/power/main.c:142,153 – 1990/0424/sys/src/9/power/main.c:167,180
1990/0227    
void 
init0(void) 
{
1990/0424    
	int i;
1990/0227    
	m->proc = u->p; 
	u->p->state = Running; 
	u->p->mach = m; 
	spllo(); 
	chandevinit(); 
	                 
1990/0424    
1990/0227    
	u->slash = (*devtab[0].attach)(0); 
	u->dot = clone(u->slash, 0);
1990/0412/sys/src/9/power/main.c:352,362 – 1990/0424/sys/src/9/power/main.c:379,388
1990/0227    
{ 
	long x, i, j, *l; 
 
	conf.nmach = 4;
1990/0424    
#include  "conf.h"
1990/0227    
	if(conf.nmach > MAXMACH) 
		panic("confinit"); 
	conf.nproc = 193; 
	conf.npgrp = 100; 
 
	x = 0x12345678;
1990/0322    
	for(i=4; i<128; i+=4){
1990/0412/sys/src/9/power/main.c:369,390 – 1990/0424/sys/src/9/power/main.c:395,401
1990/0227    
		x += 0x3141526; 
	} 
	conf.npage = i*1024/4; 
                 
1990/0412    
	conf.npte = 4*conf.npage;
1990/0312    
	conf.nmod = 2000;
1990/0322    
	conf.nalarm = 10000;
1990/0227    
	conf.norig = 500; 
	conf.nchan = 500;
1990/0321    
	conf.nenv = 400; 
	conf.nenvchar = 20000; 
	conf.npgenv = 400;
1990/0227    
	conf.nmtab = 100; 
	conf.nmount = 500; 
	conf.nmntdev = 30; 
	conf.nmntbuf = 60; 
	conf.nmnthdr = 60; 
	conf.nstream = 512;
1990/0424    
	conf.npte = 4 * conf.npage;
1990/0227    
	conf.nqueue = 5 * conf.nstream; 
	conf.nblock = 16 * conf.nstream; 
	conf.nsrv = 32; 
}
1990/0424/sys/src/9/power/main.c:12,19 – 1990/0427/sys/src/9/power/main.c:12,19 (short | long)
1990/0424    
 */ 
int _argc; char **_argv; char **_env; 
 
char *argv[5]; 
char argx[4][64];
1990/0427    
char argbuf[512]; 
int argsize;
1990/0424    
1990/0227    
void 
main(void)
1990/0424/sys/src/9/power/main.c:43,60 – 1990/0427/sys/src/9/power/main.c:43,89
1990/0227    
	schedinit(); 
}
1990/0427    
/* 
 *  copy arguments into a temporary buffer.  we do this because the arguments 
 *  are in memory that may be allocated to processes or kernel buffers. 
 */
1990/0227    
void
1990/0424    
arginit(void) 
{ 
	int i;
1990/0427    
	int i, n; 
	int nbytes; 
	int ssize; 
	char *p; 
	char **argv; 
	char *charp;
1990/0424    
 
	if(_argc > 5) 
		_argc = 5;
1990/0427    
	/* 
	 *  trim arguments to make them fit in the buffer 
	 */ 
	for(nbytes = i = 0; i < _argc; i++){ 
		n = strlen(_argv[i]) + 1; 
		ssize = BY2WD*(i+2) + ((nbytes+n+(BY2WD-1)) & ~(BY2WD-1)); 
		if(ssize > sizeof(argbuf)) 
			break; 
		nbytes += n; 
	} 
	_argc = i; 
	ssize = BY2WD*(i+1) + ((nbytes+(BY2WD-1)) & ~(BY2WD-1));
1990/0424    
 
	for(i = 1; i < _argc; i++){ 
		strcpy(argx[i-1], _argv[i]); 
		argv[i-1] = &(argx[i-1][0]);
1990/0427    
	/* 
	 *  copy arguments into the buffer 
	 */ 
	argv = (char**)(argbuf + sizeof(argbuf) - ssize); 
	charp = (char*)(argbuf + sizeof(argbuf) - nbytes); 
	for(i=0; i<_argc; i++){ 
		argv[i] = charp; 
		n = strlen(_argv[i]) + 1; 
		memcpy(charp, _argv[i], n); 
		charp += n;
1990/0424    
	}
1990/0427    
	_argv = argv; 
 
	argsize = ssize;
1990/0424    
} 
 
void
1990/0424/sys/src/9/power/main.c:168,184 – 1990/0427/sys/src/9/power/main.c:197,217
1990/0227    
init0(void) 
{
1990/0424    
	int i;
1990/0427    
	ulong *sp;
1990/0424    
1990/0227    
	m->proc = u->p; 
	u->p->state = Running; 
	u->p->mach = m; 
	spllo();
1990/0427    
1990/0227    
	chandevinit();
1990/0424    
1990/0227    
	u->slash = (*devtab[0].attach)(0); 
	u->dot = clone(u->slash, 0); 
 
	touser();
1990/0427    
	sp = (ulong*)(USTKTOP - argsize); 
 
	touser(sp);
1990/0227    
} 
 
FPsave	initfp;
1990/0424/sys/src/9/power/main.c:189,194 – 1990/0427/sys/src/9/power/main.c:222,229
1990/0227    
	Proc *p; 
	Seg *s; 
	User *up;
1990/0427    
	int i; 
	char **av;
1990/0227    
 
	p = newproc(); 
	p->pgrp = newpgrp();
1990/0424/sys/src/9/power/main.c:211,221 – 1990/0427/sys/src/9/power/main.c:246,262
1990/0227    
	up->p = p; 
 
	/* 
	 * User Stack
1990/0427    
	 * User Stack, pass input arguments to boot process
1990/0227    
	 */ 
	s = &p->seg[SSEG]; 
	s->proc = p; 
	s->o = neworig(USTKTOP-BY2PG, 1, OWRPERM, 0);
1990/0427    
	s->o->pte[0].page = newpage(0, 0, USTKTOP-BY2PG); 
	memcpy((ulong*)(s->o->pte[0].page->pa|KZERO|(BY2PG-argsize)),  
		argbuf + sizeof(argbuf) - argsize, argsize); 
	av = (char **)(s->o->pte[0].page->pa|KZERO|(BY2PG-argsize)); 
	for(i = 0; i < _argc; i++) 
		av[i] += (char *)USTKTOP - (argbuf + sizeof(argbuf));
1990/0227    
	s->minva = USTKTOP-BY2PG; 
	s->maxva = USTKTOP;
1990/0427/sys/src/9/power/main.c:418,424 – 1990/0430/sys/src/9/power/main.c:418,424 (short | long)
1990/0227    
void 
confinit(void) 
{ 
	long x, i, j, *l;
1990/0430    
	long x, i, j, *l, *e;
1990/0227    
1990/0424    
#include  "conf.h"
1990/0427/sys/src/9/power/main.c:439,442 – 1990/0430/sys/src/9/power/main.c:439,449
1990/0424    
	conf.npte = 4 * conf.npage;
1990/0227    
	conf.nqueue = 5 * conf.nstream; 
	conf.nblock = 16 * conf.nstream;
1990/0430    
 
	/* 
	 *  zero memory from bss up 
	 */ 
	e = (long *)(i*1024*1024); 
	for(l = &end; l < e; l++) 
		*l = 0;
1990/0227    
}
1990/0430/sys/src/9/power/main.c:12,30 – 1990/0504/sys/src/9/power/main.c:12,50 (short | long)
1990/0424    
 */ 
int _argc; char **_argv; char **_env;
1990/0504    
/* 
 *  arguments passed to initcode 
 */
1990/0427    
char argbuf[512]; 
int argsize;
1990/0424    
1990/0504    
/* 
 *  environment passed to any kernel started by this kernel 
 */ 
char envbuf[64]; 
char *env[2]; 
 
/* 
 *  configuration file read by boot program 
 */ 
char confbuf[4*1024]; 
 
/* 
 *  system name 
 */ 
char sysname[64];
1990/0227    
void 
main(void) 
{
1990/0424    
	int i;
1990/0504    
	icflush(0, 64*1024);
1990/0227    
	active.exiting = 0; 
	active.machs = 1;
1990/0424    
	arginit();
1990/0227    
	machinit(); 
	confinit();
1990/0504    
	arginit();
1990/0227    
	lockinit(); 
	printinit(); 
	tlbinit();
1990/0430/sys/src/9/power/main.c:43,92 – 1990/0504/sys/src/9/power/main.c:63,69
1990/0227    
	schedinit(); 
}
1990/0427    
/* 
 *  copy arguments into a temporary buffer.  we do this because the arguments 
 *  are in memory that may be allocated to processes or kernel buffers. 
 */
1990/0227    
void
1990/0424    
arginit(void) 
{
1990/0427    
	int i, n; 
	int nbytes; 
	int ssize; 
	char *p; 
	char **argv; 
	char *charp;
1990/0424    
                 
1990/0427    
	/* 
	 *  trim arguments to make them fit in the buffer 
	 */ 
	for(nbytes = i = 0; i < _argc; i++){ 
		n = strlen(_argv[i]) + 1; 
		ssize = BY2WD*(i+2) + ((nbytes+n+(BY2WD-1)) & ~(BY2WD-1)); 
		if(ssize > sizeof(argbuf)) 
			break; 
		nbytes += n; 
	} 
	_argc = i; 
	ssize = BY2WD*(i+1) + ((nbytes+(BY2WD-1)) & ~(BY2WD-1));
1990/0424    
                 
1990/0427    
	/* 
	 *  copy arguments into the buffer 
	 */ 
	argv = (char**)(argbuf + sizeof(argbuf) - ssize); 
	charp = (char*)(argbuf + sizeof(argbuf) - nbytes); 
	for(i=0; i<_argc; i++){ 
		argv[i] = charp; 
		n = strlen(_argv[i]) + 1; 
		memcpy(charp, _argv[i], n); 
		charp += n;
1990/0424    
	}
1990/0427    
	_argv = argv; 
                 
	argsize = ssize;
1990/0424    
} 
                 
void
1990/0227    
machinit(void) 
{ 
	int n;
1990/0430/sys/src/9/power/main.c:413,430 – 1990/0504/sys/src/9/power/main.c:390,541
1990/0227    
	where->next = old->next; 
}
1990/0504    
typedef struct Conftab { 
	char *sym; 
	ulong *x; 
} Conftab; 
 
#include "conf.h"
1990/0227    
Conf	conf;
1990/0504    
ulong 
confeval(char *exp) 
{ 
	char *op; 
	Conftab *ct; 
 
	/* crunch leading white */ 
	while(*exp==' ' || *exp=='\t') 
		exp++; 
 
	op = strchr(exp, '+'); 
	if(op != 0){ 
		*op++ = 0; 
		return confeval(exp) + confeval(op); 
	} 
 
	op = strchr(exp, '*'); 
	if(op != 0){ 
		*op++ = 0; 
		return confeval(exp) * confeval(op); 
	} 
 
	if(*exp >= '0' && *exp <= '9') 
		return strtoul(exp, 0, 0); 
 
	/* crunch trailing white */ 
	op = strchr(exp, ' '); 
	if(op) 
		*op = 0; 
	op = strchr(exp, '\t'); 
	if(op) 
		*op = 0; 
 
	/* lookup in symbol table */ 
	for(ct = conftab; ct->sym; ct++) 
		if(strcmp(exp, ct->sym) == 0) 
			return *(ct->x); 
 
	return 0; 
} 
 
/* 
 *  each line of the configuration is of the form `param = expression'. 
 */
1990/0227    
void 
confinit(void)
1990/0504    
confset(char *sym)
1990/0227    
{
1990/0430    
	long x, i, j, *l, *e;
1990/0504    
	char *val, *p; 
	Conftab *ct; 
	ulong x;
1990/0227    
1990/0424    
#include  "conf.h"
1990/0504    
	/* 
 	 *  parse line 
	 */
1990/0424    
1990/0227    
	if(conf.nmach > MAXMACH) 
		panic("confinit");
1990/0504    
	/* comment */ 
	if(p = strchr(sym, '#')) 
		*p = 0;
1990/0227    
1990/0504    
	/* skip white */ 
	for(p = sym; *p==' ' || *p=='\t'; p++) 
		; 
	sym = p; 
 
	/* skip sym */ 
	for(; *p && *p!=' ' && *p!='\t' && *p!='='; p++) 
		; 
	if(*p) 
		*p++ = 0; 
 
	/* skip white */ 
	for(; *p==' ' || *p=='\t' || *p=='='; p++) 
		; 
	val = p; 
 
	/* 
	 *  lookup value 
	 */ 
	for(ct = conftab; ct->sym; ct++) 
		if(strcmp(sym, ct->sym) == 0){ 
			*(ct->x) = confeval(val); 
			return; 
		} 
 
	if(strcmp(sym, "sysname")==0){ 
		p = strchr(val, ' '); 
		if(p) 
			*p = 0; 
		strcpy(sysname, val); 
	} 
} 
 
/* 
 *  read the ascii configuration left by the boot kernel 
 */ 
void 
confread(void) 
{ 
	char *line; 
	char *end; 
 
	/* 
	 *  process configuration file 
	 */ 
	line = confbuf; 
	while(end = strchr(line, '\n')){ 
		*end = 0; 
		confset(line); 
		line = end+1; 
	} 
} 
 
void 
confprint(void) 
{ 
	Conftab *ct; 
 
	/* 
	 *  lookup value 
	 */ 
	for(ct = conftab; ct->sym; ct++) 
		print("%s == %d\n", ct->sym, *ct->x); 
} 
 
void 
confinit(void) 
{ 
	long x, i, j, *l; 
 
	/* 
	 *  copy configuration down from high memory 
	 */ 
	strcpy(confbuf, (char *)(0x80000000 + 4*1024*1024 - 4*1024)); 
 
	/* 
	 *  size memory 
	 */
1990/0227    
	x = 0x12345678;
1990/0322    
	for(i=4; i<128; i+=4){
1990/0227    
		l = (long*)(KSEG1|(i*1024L*1024L));
1990/0430/sys/src/9/power/main.c:436,449 – 1990/0504/sys/src/9/power/main.c:547,642
1990/0227    
		x += 0x3141526; 
	} 
	conf.npage = i*1024/4;
1990/0504    
 
	/* 
	 *  set minimal default values 
	 */ 
	conf.nmach = 1; 
	conf.nmod = 2000; 
	conf.nalarm = 1000; 
	conf.norig = 9; 
	conf.nchan = 64; 
	conf.nenv = 4; 
	conf.nenvchar = 1000; 
	conf.npgenv = 400; 
	conf.nmtab = 4; 
	conf.nmount = 4; 
	conf.nmntdev = 4; 
	conf.nmntbuf = 4; 
	conf.nmnthdr = 4; 
	conf.nstream = 4; 
	conf.nsrv = 0; 
	conf.nproc = 4; 
	conf.npgrp = 4;
1990/0424    
	conf.npte = 4 * conf.npage;
1990/0227    
	conf.nqueue = 5 * conf.nstream; 
	conf.nblock = 16 * conf.nstream;
1990/0430    
1990/0504    
	confread(); 
 
	if(conf.nmach > MAXMACH) 
		panic("confinit"); 
 
} 
 
/* 
 *  copy arguments passed by the boot kernel (or ROM) into a temporary buffer. 
 *  we do this because the arguments are in memory that may be allocated 
 *  to processes or kernel buffers. 
 */ 
#define SYSENV "netaddr=" 
void 
arginit(void) 
{ 
	int i, n; 
	int nbytes; 
	int ssize; 
	char *p; 
	char **argv; 
	char *charp;
1990/0430    
	/* 
	 *  zero memory from bss up
1990/0504    
	 *  get the system name from the environment
1990/0430    
	 */ 
	e = (long *)(i*1024*1024); 
	for(l = &end; l < e; l++) 
		*l = 0;
1990/0504    
	if(*sysname == 0){ 
		for(argv = _env; *argv; argv++){ 
			if(strncmp(*argv, SYSENV, sizeof(SYSENV)-1)==0){ 
				strcpy(sysname, (*argv) + sizeof(SYSENV)-1); 
				break; 
			} 
		} 
	} 
	strcpy(envbuf, SYSENV); 
	strcat(envbuf, sysname); 
	env[0] = envbuf; 
	env[1] = 0; 
 
	/* 
	 *  trim arguments to make them fit in the buffer (argv[0] is sysname) 
	 */ 
	nbytes = 0; 
	_argv[0] = sysname; 
	for(i = 0; i < _argc; i++){ 
		n = strlen(_argv[i]) + 1; 
		ssize = BY2WD*(i+2) + ((nbytes+n+(BY2WD-1)) & ~(BY2WD-1)); 
		if(ssize > sizeof(argbuf)) 
			break; 
		nbytes += n; 
	} 
	_argc = i; 
	ssize = BY2WD*(i+1) + ((nbytes+(BY2WD-1)) & ~(BY2WD-1)); 
 
	/* 
	 *  copy arguments into the buffer 
	 */ 
	argv = (char**)(argbuf + sizeof(argbuf) - ssize); 
	charp = (char*)(argbuf + sizeof(argbuf) - nbytes); 
	for(i=0; i<_argc; i++){ 
		argv[i] = charp; 
		n = strlen(_argv[i]) + 1; 
		memcpy(charp, _argv[i], n); 
		charp += n; 
	} 
	_argv = argv; 
	argsize = ssize;
1990/0227    
}
1990/0504/sys/src/9/power/main.c:546,552 – 1990/0614/sys/src/9/power/main.c:546,553 (short | long)
1990/0227    
			break; 
		x += 0x3141526; 
	} 
	conf.npage = i*1024/4;
1990/0614    
	conf.npage0 = i*1024/4; 
	conf.npage = conf.npage0;
1990/0504    
 
	/* 
	 *  set minimal default values
1990/0614/sys/src/9/power/main.c:199,204 – 1990/0617/sys/src/9/power/main.c:199,205 (short | long)
1990/0227    
	Proc *p; 
	Seg *s; 
	User *up;
1990/0617    
	KMap *k;
1990/0427    
	int i; 
	char **av;
1990/0227    
1990/0614/sys/src/9/power/main.c:219,226 – 1990/0617/sys/src/9/power/main.c:220,229
1990/0227    
	/* 
	 * User 
	 */ 
	up = (User*)(p->upage->pa|KZERO);
1990/0617    
	k = kmap(p->upage); 
	up = (User*)VA(k);
1990/0227    
	up->p = p;
1990/0617    
	kunmap(k);
1990/0227    
 
	/*
1990/0427    
	 * User Stack, pass input arguments to boot process
1990/0614/sys/src/9/power/main.c:244,250 – 1990/0617/sys/src/9/power/main.c:247,255
1990/0227    
	s->proc = p; 
	s->o = neworig(UTZERO, 1, 0, 0); 
	s->o->pte[0].page = newpage(0, 0, UTZERO); 
	memcpy((ulong*)(s->o->pte[0].page->pa|KZERO), initcode, sizeof initcode);
1990/0617    
	k = kmap(s->o->pte[0].page); 
	memcpy((ulong*)VA(k), initcode, sizeof initcode); 
	kunmap(k);
1990/0227    
	s->minva = 0x1000; 
	s->maxva = 0x2000;
1990/0617/sys/src/9/power/main.c:57,62 – 1990/0718/sys/src/9/power/main.c:57,63 (short | long)
1990/0227    
	io2init(); 
	chandevreset(); 
	streaminit();
1990/0718    
	sysloginit();
1990/0227    
	pageinit(); 
	userinit(); 
	launchinit();
1990/0718/sys/src/9/power/main.c:39,48 – 1990/0801/sys/src/9/power/main.c:39,47 (short | long)
1990/0227    
{
1990/0424    
	int i;
1990/0504    
	icflush(0, 64*1024);
1990/0801    
	machinit();
1990/0227    
	active.exiting = 0; 
	active.machs = 1; 
	machinit(); 
	confinit();
1990/0504    
	arginit();
1990/0227    
	lockinit();
1990/0718/sys/src/9/power/main.c:69,74 – 1990/0801/sys/src/9/power/main.c:68,74
1990/0227    
{ 
	int n;
1990/0801    
	icflush(0, 64*1024);
1990/0227    
	n = m->machno; 
	memset(m, 0, sizeof(Mach)); 
	m->machno = n;
1990/0801/sys/src/9/power/main.c:246,253 – 1990/0802/sys/src/9/power/main.c:246,258 (short | long)
1990/0227    
	 */ 
	s = &p->seg[TSEG]; 
	s->proc = p; 
	s->o = neworig(UTZERO, 1, 0, 0);
1990/0802    
	/* 
	 * On the mips, init text must be OCACHED to avoid reusing page 
	 * and getting in trouble with the hardware instruction cache. 
	 */ 
	s->o = neworig(UTZERO, 1, OCACHED, 0);
1990/0227    
	s->o->pte[0].page = newpage(0, 0, UTZERO);
1990/0802    
	s->o->npage = 1;
1990/0617    
	k = kmap(s->o->pte[0].page); 
	memcpy((ulong*)VA(k), initcode, sizeof initcode); 
	kunmap(k);
1990/0802/sys/src/9/power/main.c:133,142 – 1990/0825/sys/src/9/power/main.c:133,143 (short | long)
1990/0227    
	/* 
	 *  Tell CPU 0's SBCC to map all interrupts from the IO2 to MIPS level 5 
	 * 
	 *  Since there are 6 MIPS hardware interrupts and the SBCC can generate 
	 *  only 5, one hardware interrupt can't be generated by the SBCC.  SBCC 
	 *  interrupt 4 maps to MIPS interrupt 5, SBCC interrupt 0 maps to MIPS 
	 *  interrupt 0.  I don't know which interrupt is missing. -- presotto
1990/0825    
	 *	0x01		level 0 
	 *	0x02		level 1 
	 *	0x04		level 2 
	 *	0x08		level 4 
	 *	0x10		level 5
1990/0227    
	 */ 
	SBCCREG->flevel = 0x10;
1990/0825/sys/src/9/power/main.c:34,39 – 1990/0826/sys/src/9/power/main.c:34,44 (short | long)
1990/0504    
 */ 
char sysname[64];
1990/0826    
/* 
 *  IO board type 
 */ 
int ioid;
1990/0227    
void 
main(void) 
{
1990/0825/sys/src/9/power/main.c:53,64 – 1990/0826/sys/src/9/power/main.c:58,70
1990/0227    
	chaninit(); 
	clockinit(); 
	alarminit(); 
	io2init();
1990/0826    
	ioboardinit();
1990/0227    
	chandevreset(); 
	streaminit();
1990/0718    
	sysloginit();
1990/0227    
	pageinit(); 
	userinit();
1990/0826    
	ioboardid();
1990/0227    
	launchinit(); 
	schedinit(); 
}
1990/0825/sys/src/9/power/main.c:100,113 – 1990/0826/sys/src/9/power/main.c:106,140
1990/0227    
		*p++ = *q++; 
}
1990/0826    
void 
ioboardid(void) 
{ 
	switch(ioid){ 
	case IO2R1: 
		print("IO2 revision 1\n"); 
		break; 
	case IO2R2: 
		print("IO2 revision 2\n"); 
		break; 
	case IO3R1: 
		print("IO3 revision 1\n"); 
		break; 
	default: 
		print("unknown IO board\n"); 
		break; 
	} 
}
1990/0227    
/* 
 *  We have to program both the IO2 board to generate interrupts 
 *  and the SBCC on CPU 0 to accept them. 
 */ 
void 
io2init(void)
1990/0826    
ioboardinit(void)
1990/0227    
{ 
	long i;
1990/0826    
 
	ioid = *IOID;
1990/0227    
 
	/* 
	 *  reset VME bus (MODEREG is on the IO2)
1990/0826/sys/src/9/power/main.c:35,43 – 1990/0905/sys/src/9/power/main.c:35,45 (short | long)
1990/0504    
char sysname[64];
1990/0826    
/* 
 *  IO board type
1990/0905    
 *  IO board type, number of interrupt levels, and interrupt enable mask
1990/0826    
 */ 
int ioid;
1990/0905    
int iolevels; 
int iomask;
1990/0826    
1990/0227    
void 
main(void)
1990/0826/sys/src/9/power/main.c:133,140 – 1990/0905/sys/src/9/power/main.c:135,157
1990/0826    
ioboardinit(void)
1990/0227    
{ 
	long i;
1990/0905    
	int intrs;
1990/0826    
1990/0905    
	/* 
	 *  set up interrupts based on IO board type 
	 */
1990/0826    
	ioid = *IOID;
1990/0905    
	switch(ioid){ 
	case IO2R1: 
	case IO2R2: 
		iolevels = 8; 
		iomask = 0xff; 
		break; 
	case IO3R1: 
		iolevels = 11; 
		iomask = 0x7fe; 
		break; 
	}
1990/0227    
 
	/* 
	 *  reset VME bus (MODEREG is on the IO2)
1990/0826/sys/src/9/power/main.c:152,160 – 1990/0905/sys/src/9/power/main.c:169,177
1990/0227    
		setvmevec(i, novme); 
 
	/* 
	 *  tell IO2 to sent all interrupts to CPU 0's SBCC
1990/0905    
	 *  tell IO2 to send all interrupts to CPU 0's SBCC
1990/0227    
	 */ 
	for(i=0; i<8; i++)
1990/0905    
	for(i=0; i<iolevels; i++)
1990/0227    
		INTVECREG->i[i].vec = 0<<8; 
 
	/*
1990/0826/sys/src/9/power/main.c:174,186 – 1990/0905/sys/src/9/power/main.c:191,203
1990/0227    
	 *  The SBCC 16 bit registers are read/written as ulong, but only 
	 *  bits 23-16 and 7-0 are meaningful. 
	 */ 
	SBCCREG->fintenable |= 0xff;	  /* allow all interrupts on the IO2 */
1990/0905    
	SBCCREG->fintenable |= iomask;	/* turn on all interrupts */
1990/0227    
	SBCCREG->idintenable |= 0x800000; /* allow interrupts from the IO2 */ 
 
	/* 
	 *  enable all interrupts on the IO2 
	 */ 
	*IO2SETMASK = 0xff;
1990/0905    
	*IO2SETMASK = iomask;
1990/0227    
} 
 
void
1990/0905/sys/src/9/power/main.c:62,67 – 1990/09051/sys/src/9/power/main.c:62,68 (short | long)
1990/0227    
	alarminit();
1990/0826    
	ioboardinit();
1990/0227    
	chandevreset();
1990/09051    
	sinit();
1990/0227    
	streaminit();
1990/0718    
	sysloginit();
1990/0227    
	pageinit();
1990/09051/sys/src/9/power/main.c:35,51 – 1990/0907/sys/src/9/power/main.c:35,47 (short | long)
1990/0504    
char sysname[64];
1990/0826    
/*
1990/0905    
 *  IO board type, number of interrupt levels, and interrupt enable mask
1990/0907    
 *  IO board type
1990/0826    
 */ 
int ioid;
1990/0905    
int iolevels; 
int iomask;
1990/0826    
1990/0227    
void 
main(void) 
{
1990/0424    
	int i; 
                 
1990/0801    
	machinit();
1990/0227    
	active.exiting = 0; 
	active.machs = 1;
1990/09051/sys/src/9/power/main.c:61,73 – 1990/0907/sys/src/9/power/main.c:57,68
1990/0227    
	clockinit(); 
	alarminit();
1990/0826    
	ioboardinit();
1990/0907    
	ioboardid();
1990/0227    
	chandevreset();
1990/09051    
	sinit();
1990/0227    
	streaminit();
1990/0718    
	sysloginit();
1990/0227    
	pageinit(); 
	userinit();
1990/0826    
	ioboardid();
1990/0227    
	launchinit(); 
	schedinit(); 
}
1990/09051/sys/src/9/power/main.c:114,129 – 1990/0907/sys/src/9/power/main.c:109,124
1990/0826    
{ 
	switch(ioid){ 
	case IO2R1: 
		print("IO2 revision 1\n");
1990/0907    
		iprint("IO2 revision 1\n");
1990/0826    
		break; 
	case IO2R2: 
		print("IO2 revision 2\n");
1990/0907    
		iprint("IO2 revision 2\n");
1990/0826    
		break; 
	case IO3R1: 
		print("IO3 revision 1\n");
1990/0907    
		iprint("IO3 revision 1\n");
1990/0826    
		break; 
	default: 
		print("unknown IO board\n");
1990/0907    
		iprint("unknown IO board\n");
1990/0826    
		break; 
	} 
}
1990/09051/sys/src/9/power/main.c:136,166 – 1990/0907/sys/src/9/power/main.c:131,146
1990/0826    
ioboardinit(void)
1990/0227    
{ 
	long i;
1990/0905    
	int intrs;
1990/0826    
1990/0905    
	/* 
	 *  set up interrupts based on IO board type 
	 */
1990/0826    
	ioid = *IOID;
1990/0905    
	switch(ioid){ 
	case IO2R1: 
	case IO2R2: 
		iolevels = 8; 
		iomask = 0xff; 
		break; 
	case IO3R1: 
		iolevels = 11; 
		iomask = 0x7fe; 
		break; 
	}
1990/0227    
 
	/* 
	 *  reset VME bus (MODEREG is on the IO2) 
	 */ 
	MODEREG->resetforce = (1<<1);
1990/0907    
	MODEREG->resetforce = (1<<1) | (1<<0);
1990/0227    
	for(i=0; i<1000000; i++) 
		; 
	MODEREG->resetforce = 0;
1990/0907    
	MODEREG->resetforce = (1<<0);
1990/0227    
	MODEREG->masterslave = (SLAVE<<4) | MASTER; 
 
	/*
1990/09051/sys/src/9/power/main.c:170,178 – 1990/0907/sys/src/9/power/main.c:150,158
1990/0227    
		setvmevec(i, novme); 
 
	/*
1990/0905    
	 *  tell IO2 to send all interrupts to CPU 0's SBCC
1990/0907    
	 *  tell IO2 to sent all interrupts to CPU 0's SBCC
1990/0227    
	 */
1990/0905    
	for(i=0; i<iolevels; i++)
1990/0907    
	for(i=0; i<8; i++)
1990/0227    
		INTVECREG->i[i].vec = 0<<8; 
 
	/*
1990/09051/sys/src/9/power/main.c:192,204 – 1990/0907/sys/src/9/power/main.c:172,184
1990/0227    
	 *  The SBCC 16 bit registers are read/written as ulong, but only 
	 *  bits 23-16 and 7-0 are meaningful. 
	 */
1990/0905    
	SBCCREG->fintenable |= iomask;	/* turn on all interrupts */
1990/0907    
	SBCCREG->fintenable |= 0xff;	  /* allow all interrupts on the IO2 */
1990/0227    
	SBCCREG->idintenable |= 0x800000; /* allow interrupts from the IO2 */ 
 
	/* 
	 *  enable all interrupts on the IO2 
	 */
1990/0905    
	*IO2SETMASK = iomask;
1990/0907    
	*IO2SETMASK = 0xff;
1990/0227    
} 
 
void
1990/09051/sys/src/9/power/main.c:607,612 – 1990/0907/sys/src/9/power/main.c:587,597
1990/0614    
	conf.npage = conf.npage0;
1990/0504    
 
	/*
1990/0907    
 	 *  clear MP bus error caused by sizing memory 
	 */ 
	i = *SBEADDR; 
 
	/*
1990/0504    
	 *  set minimal default values 
	 */ 
	conf.nmach = 1;
1990/09051/sys/src/9/power/main.c:629,634 – 1990/0907/sys/src/9/power/main.c:614,622
1990/0424    
	conf.npte = 4 * conf.npage;
1990/0227    
	conf.nqueue = 5 * conf.nstream; 
	conf.nblock = 16 * conf.nstream;
1990/0907    
	conf.nnoifc = 1; 
	conf.nnoconv = 32; 
	conf.nurp = 256;
1990/0430    
1990/0504    
	confread();
1990/0907/sys/src/9/power/main.c:57,63 – 1990/0911/sys/src/9/power/main.c:57,62 (short | long)
1990/0227    
	clockinit(); 
	alarminit();
1990/0826    
	ioboardinit();
1990/0907    
	ioboardid();
1990/0227    
	chandevreset(); 
	streaminit();
1990/0718    
	sysloginit();
1990/0907/sys/src/9/power/main.c:104,128 – 1990/0911/sys/src/9/power/main.c:103,108
1990/0227    
		*p++ = *q++; 
}
1990/0826    
void 
ioboardid(void) 
{ 
	switch(ioid){ 
	case IO2R1:
1990/0907    
		iprint("IO2 revision 1\n");
1990/0826    
		break; 
	case IO2R2:
1990/0907    
		iprint("IO2 revision 2\n");
1990/0826    
		break; 
	case IO3R1:
1990/0907    
		iprint("IO3 revision 1\n");
1990/0826    
		break; 
	default:
1990/0907    
		iprint("unknown IO board\n");
1990/0826    
		break; 
	} 
} 
                 
1990/0227    
/* 
 *  We have to program both the IO2 board to generate interrupts 
 *  and the SBCC on CPU 0 to accept them.
1990/0907/sys/src/9/power/main.c:131,146 – 1990/0911/sys/src/9/power/main.c:111,132
1990/0826    
ioboardinit(void)
1990/0227    
{ 
	long i;
1990/0911    
	int noforce;
1990/0826    
 
	ioid = *IOID;
1990/0911    
	if(ioid >= IO3R1) 
		noforce = 1; 
	else 
		noforce = 0;
1990/0227    
1990/0911    
1990/0227    
	/* 
	 *  reset VME bus (MODEREG is on the IO2) 
	 */
1990/0907    
	MODEREG->resetforce = (1<<1) | (1<<0);
1990/0911    
	MODEREG->resetforce = (1<<1) | noforce;
1990/0227    
	for(i=0; i<1000000; i++) 
		;
1990/0907    
	MODEREG->resetforce = (1<<0);
1990/0911    
	MODEREG->resetforce = noforce;
1990/0227    
	MODEREG->masterslave = (SLAVE<<4) | MASTER; 
 
	/*
1990/0907/sys/src/9/power/main.c:596,622 – 1990/0911/sys/src/9/power/main.c:582,608
1990/0504    
	 */ 
	conf.nmach = 1; 
	conf.nmod = 2000; 
	conf.nalarm = 1000; 
	conf.norig = 9; 
	conf.nchan = 64; 
	conf.nenv = 4; 
	conf.nenvchar = 1000; 
	conf.npgenv = 400; 
	conf.nmtab = 4; 
	conf.nmount = 4; 
	conf.nmntdev = 4; 
	conf.nmntbuf = 4; 
	conf.nmnthdr = 4; 
	conf.nstream = 4; 
	conf.nsrv = 0; 
	conf.nproc = 4; 
	conf.npgrp = 4;
1990/0424    
	conf.npte = 4 * conf.npage;
1990/0227    
	conf.nqueue = 5 * conf.nstream; 
	conf.nblock = 16 * conf.nstream;
1990/0911    
	conf.nalarm = 10000; 
	conf.norig = 500; 
	conf.nchan = 1000; 
	conf.npgenv = 800; 
	conf.nmtab = 100; 
	conf.nmount = 5000; 
	conf.nmntdev = 150; 
	conf.nmntbuf = 120; 
	conf.nmnthdr = 120; 
	conf.nstream = 128; 
	conf.nsrv = 32; 
	conf.nproc = 386; 
	conf.npgrp = 100;
1990/0907    
	conf.nnoifc = 1; 
	conf.nnoconv = 32; 
	conf.nurp = 256;
1990/0911    
	conf.nenv = 15*conf.nproc; 
	conf.nenvchar = 20 * conf.nenv; 
	conf.npte = 4 * conf.npage; 
	conf.nqueue = 3 * conf.nstream; 
	conf.nblock = 10 * conf.nstream;
1990/0430    
1990/0504    
	confread();
1990/0911/sys/src/9/power/main.c:47,52 – 1990/0912/sys/src/9/power/main.c:47,53 (short | long)
1990/0227    
	active.machs = 1; 
	confinit();
1990/0504    
	arginit();
1990/0912    
	sysloginit();
1990/0227    
	lockinit(); 
	printinit(); 
	tlbinit();
1990/0911/sys/src/9/power/main.c:59,65 – 1990/0912/sys/src/9/power/main.c:60,65
1990/0826    
	ioboardinit();
1990/0227    
	chandevreset(); 
	streaminit();
1990/0718    
	sysloginit();
1990/0227    
	pageinit(); 
	userinit(); 
	launchinit();
1990/0911/sys/src/9/power/main.c:112,123 – 1990/0912/sys/src/9/power/main.c:112,127
1990/0227    
{ 
	long i;
1990/0911    
	int noforce;
1990/0912    
	int maxlevel;
1990/0826    
 
	ioid = *IOID;
1990/0911    
	if(ioid >= IO3R1)
1990/0912    
	if(ioid >= IO3R1){ 
		maxlevel = 11;
1990/0911    
		noforce = 1; 
	else
1990/0912    
	} else { 
		maxlevel = 8;
1990/0911    
		noforce = 0;
1990/0912    
	}
1990/0227    
1990/0911    
1990/0227    
	/*
1990/0911/sys/src/9/power/main.c:138,144 – 1990/0912/sys/src/9/power/main.c:142,148
1990/0227    
	/*
1990/0907    
	 *  tell IO2 to sent all interrupts to CPU 0's SBCC
1990/0227    
	 */
1990/0907    
	for(i=0; i<8; i++)
1990/0912    
	for(i=0; i<maxlevel; i++)
1990/0227    
		INTVECREG->i[i].vec = 0<<8; 
 
	/*
1990/0911/sys/src/9/power/main.c:302,312 – 1990/0912/sys/src/9/power/main.c:306,323
1990/0227    
launch(int n) 
{ 
	Beef *p; 
	long i;
1990/0912    
	long i, s; 
	ulong *ptr;
1990/0227    
 
	p = (Beef*) 0xb0000500 + n; 
	p->launch = newstart; 
	p->sum -= (long)newstart;
1990/0912    
	p->sum = 0; 
	s = 0; 
	ptr = (ulong*)p; 
	for (i = 0; i < sizeof(Beef)/sizeof(ulong); i++) 
		s += *ptr++; 
	p->sum = -(s+1);
1990/0227    
	for(i=0; i<3000000; i++) 
		if(p->launch == 0) 
			break;
1990/0912/sys/src/9/power/main.c:47,53 – 1990/0928/sys/src/9/power/main.c:47,52 (short | long)
1990/0227    
	active.machs = 1; 
	confinit();
1990/0504    
	arginit();
1990/0912    
	sysloginit();
1990/0227    
	lockinit(); 
	printinit(); 
	tlbinit();
1990/0928/sys/src/9/power/main.c:121,127 – 1990/1002/sys/src/9/power/main.c:121,127 (short | long)
1990/0912    
		maxlevel = 8;
1990/0911    
		noforce = 0;
1990/0912    
	}
1990/0227    
                 
1990/1002    
	print("IO %d\n", ioid);
1990/0911    
1990/0227    
	/* 
	 *  reset VME bus (MODEREG is on the IO2)
Too many diffs (26 > 25). Stopping.


source code copyright © 1990-2005 Lucent Technologies; see license
Plan 9 distribution
comments to russ cox (rsc@swtch.com)