remove mconf cruft

sys/src/cmd/cwfs/9netics32.16k/dat.h

@@ -19,18 +19,3 @@ enum { FIXEDSIZE = 1 };
 
 
 #include "portdat.h"
-
-enum { MAXBANK = 2 };
-
-typedef struct Mbank {
-	ulong	base;
-	ulong	limit;
-} Mbank;
-
-typedef struct Mconf {
-	Lock;
-	Mbank	bank[MAXBANK];
-	int	nbank;
-	ulong	memsize;
-} Mconf;
-extern Mconf mconf;

sys/src/cmd/cwfs/9netics64.8k/dat.h

@@ -17,20 +17,4 @@
  */
 enum { FIXEDSIZE = 1 };
 
-
 #include "portdat.h"
-
-enum { MAXBANK = 2 };
-
-typedef struct Mbank {
-	ulong	base;
-	ulong	limit;
-} Mbank;
-
-typedef struct Mconf {
-	Lock;
-	Mbank	bank[MAXBANK];
-	int	nbank;
-	ulong	memsize;
-} Mconf;
-extern Mconf mconf;

sys/src/cmd/cwfs/choline/dat.h

@@ -19,18 +19,3 @@ enum { FIXEDSIZE = 1 };
 
 
 #include "portdat.h"
-
-enum { MAXBANK = 2 };
-
-typedef struct Mbank {
-	ulong	base;
-	ulong	limit;
-} Mbank;
-
-typedef struct Mconf {
-	Lock;
-	Mbank	bank[MAXBANK];
-	int	nbank;
-	ulong	memsize;
-} Mconf;
-extern Mconf mconf;

sys/src/cmd/cwfs/cwfs/dat.h

@@ -19,18 +19,3 @@ enum { FIXEDSIZE = 1 };
 
 
 #include "portdat.h"
-
-enum { MAXBANK = 2 };
-
-typedef struct Mbank {
-	ulong	base;
-	ulong	limit;
-} Mbank;
-
-typedef struct Mconf {
-	Lock;
-	Mbank	bank[MAXBANK];
-	int	nbank;
-	ulong	memsize;
-} Mconf;
-extern Mconf mconf;

sys/src/cmd/cwfs/cwfs64/dat.h

@@ -19,18 +19,3 @@ enum { FIXEDSIZE = 1 };
 
 
 #include "portdat.h"
-
-enum { MAXBANK = 2 };
-
-typedef struct Mbank {
-	ulong	base;
-	ulong	limit;
-} Mbank;
-
-typedef struct Mconf {
-	Lock;
-	Mbank	bank[MAXBANK];
-	int	nbank;
-	ulong	memsize;
-} Mconf;
-extern Mconf mconf;

sys/src/cmd/cwfs/cwfs64x/dat.h

@@ -19,18 +19,3 @@ enum { FIXEDSIZE = 1 };
 
 
 #include "portdat.h"
-
-enum { MAXBANK = 2 };
-
-typedef struct Mbank {
-	ulong	base;
-	ulong	limit;
-} Mbank;
-
-typedef struct Mconf {
-	Lock;
-	Mbank	bank[MAXBANK];
-	int	nbank;
-	ulong	memsize;
-} Mconf;
-extern Mconf mconf;

sys/src/cmd/cwfs/emelie/dat.h

@@ -19,18 +19,3 @@ enum { FIXEDSIZE = 1 };
 
 
 #include "portdat.h"
-
-enum { MAXBANK = 2 };
-
-typedef struct Mbank {
-	ulong	base;
-	ulong	limit;
-} Mbank;
-
-typedef struct Mconf {
-	Lock;
-	Mbank	bank[MAXBANK];
-	int	nbank;
-	ulong	memsize;
-} Mconf;
-extern Mconf mconf;

sys/src/cmd/cwfs/fs/dat.h

@@ -19,18 +19,3 @@ enum { FIXEDSIZE = 1 };
 
 
 #include "portdat.h"
-
-enum { MAXBANK = 2 };
-
-typedef struct Mbank {
-	ulong	base;
-	ulong	limit;
-} Mbank;
-
-typedef struct Mconf {
-	Lock;
-	Mbank	bank[MAXBANK];
-	int	nbank;
-	ulong	memsize;
-} Mconf;
-extern Mconf mconf;

sys/src/cmd/cwfs/fs64/dat.h

@@ -19,18 +19,3 @@ enum { FIXEDSIZE = 1 };
 
 
 #include "portdat.h"
-
-enum { MAXBANK = 2 };
-
-typedef struct Mbank {
-	ulong	base;
-	ulong	limit;
-} Mbank;
-
-typedef struct Mconf {
-	Lock;
-	Mbank	bank[MAXBANK];
-	int	nbank;
-	ulong	memsize;
-} Mconf;
-extern Mconf mconf;

sys/src/cmd/cwfs/main.c

@@ -128,8 +128,6 @@ confinit(void)
 {
 	conf.nmach = 1;
 
-	conf.mem = meminit();
-
 	conf.nuid = 1000;
 	conf.nserve = 15;		/* tunable */
 	conf.nfile = 30000;

sys/src/cmd/cwfs/malloc.c

@@ -1,6 +1,40 @@
 #include "all.h"
 #include "io.h"
 
+static ulong
+memsize(void)
+{
+	int nf, pgsize = 0;
+	ulong userpgs = 0, userused = 0;
+	char *ln, *sl;
+	char *fields[2];
+	Biobuf *bp;
+
+	bp = Bopen("#c/swap", OREAD);
+	if (bp != nil) {
+		while ((ln = Brdline(bp, '\n')) != nil) {
+			ln[Blinelen(bp)-1] = '\0';
+			nf = tokenize(ln, fields, nelem(fields));
+			if (nf != 2)
+				continue;
+			if (strcmp(fields[1], "pagesize") == 0)
+				pgsize = atoi(fields[0]);
+			else if (strcmp(fields[1], "user") == 0) {
+				sl = strchr(fields[0], '/');
+				if (sl == nil)
+					continue;
+				userpgs = atol(sl+1);
+				userused = atol(fields[0]);
+			}
+		}
+		Bterm(bp);
+		if (pgsize > 0 && userused > userpgs)
+			return (userpgs - userused)*pgsize;
+	}
+	return 64*MB;
+}
+
+
 long	niob;
 long	nhiob;
 Hiob	*hiob;
@@ -17,27 +51,11 @@ ialloc(ulong n, int align)
 
 	if (p == nil)
 		panic("ialloc: out of memory");
+	setmalloctag(p, getcallerpc(&n));
 	memset(p, 0, n);
 	return p;
 }
 
-void
-prbanks(void)
-{
-	Mbank *mbp;
-
-	for(mbp = mconf.bank; mbp < &mconf.bank[mconf.nbank]; mbp++)
-		print("bank[%ld]: base 0x%8.8lux, limit 0x%8.8lux (%.0fMB)\n",
-			mbp - mconf.bank, mbp->base, mbp->limit,
-			(mbp->limit - mbp->base)/(double)MB);
-}
-
-static void
-cmd_memory(int, char *[])
-{
-	prbanks();
-}
-
 enum { HWIDTH = 8 };		/* buffers per hash */
 
 /*
@@ -52,18 +70,11 @@ iobufinit(void)
 	char *xiop;
 	Iobuf *p, *q;
 	Hiob *hp;
-	Mbank *mbp;
 
 	wlock(&mainlock);	/* init */
 	wunlock(&mainlock);
 
-	if(chatty)
-		prbanks();
-
-	m = 0;
-	for(mbp = mconf.bank; mbp < &mconf.bank[mconf.nbank]; mbp++)
-		m += mbp->limit - mbp->base;
-
+	m = memsize() / 4;
 	niob = m / (sizeof(Iobuf) + RBUFSIZE + sizeof(Hiob)/HWIDTH);
 	nhiob = niob / HWIDTH;
 	while(!prime(nhiob))
@@ -104,19 +115,6 @@ iobufinit(void)
 		p++;
 		xiop += RBUFSIZE;
 	}
-
-	/*
-	 * Make sure that no more of bank[0] can be used.
-	 */
-	mconf.bank[0].base = mconf.bank[0].limit;
-
-	i = 0;
-	for(mbp = mconf.bank; mbp < &mconf.bank[mconf.nbank]; mbp++)
-		i += mbp->limit - mbp->base;
-	if(chatty)
-		print("\tmem left = %,d, out of %,ld\n", i, conf.mem);
-	/* paranoia: add this command as late as is easy */
-	cmd_install("memory", "-- print ranges of memory banks", cmd_memory);
 }
 
 void*

sys/src/cmd/cwfs/pc.c

@@ -1,92 +0,0 @@
-#include "all.h"
-#include "io.h"
-
-Mconf mconf;
-
-static void
-mconfinit(void)
-{
-	int nf, pgsize = 0;
-	ulong size, userpgs = 0, userused = 0;
-	char *ln, *sl;
-	char *fields[2];
-	Biobuf *bp;
-	Mbank *mbp;
-
-	size = 64*MB;
-	bp = Bopen("#c/swap", OREAD);
-	if (bp != nil) {
-		while ((ln = Brdline(bp, '\n')) != nil) {
-			ln[Blinelen(bp)-1] = '\0';
-			nf = tokenize(ln, fields, nelem(fields));
-			if (nf != 2)
-				continue;
-			if (strcmp(fields[1], "pagesize") == 0)
-				pgsize = atoi(fields[0]);
-			else if (strcmp(fields[1], "user") == 0) {
-				sl = strchr(fields[0], '/');
-				if (sl == nil)
-					continue;
-				userpgs = atol(sl+1);
-				userused = atol(fields[0]);
-			}
-		}
-		Bterm(bp);
-		if (pgsize > 0 && userpgs > 0)
-			size = (((userpgs - userused)*1LL)/4)*pgsize;
-	}
-	mconf.memsize = size;
-	mbp = mconf.bank;
-	mbp->base = 0x10000000;			/* fake addresses */
-	mbp->limit = mbp->base + size;
-	mbp++;
-
-	mconf.nbank = mbp - mconf.bank;
-}
-
-ulong
-meminit(void)
-{
-	conf.nmach = 1;
-	mconfinit();
-	return mconf.memsize;
-}
-
-/*
- * based on libthread's threadsetname, but drags in less library code.
- * actually just sets the arguments displayed.
- */
-void
-procsetname(char *fmt, ...)
-{
-	int fd;
-	char *cmdname;
-	char buf[128];
-	va_list arg;
-
-	va_start(arg, fmt);
-	cmdname = vsmprint(fmt, arg);
-	va_end(arg);
-	if (cmdname == nil)
-		return;
-	snprint(buf, sizeof buf, "#p/%d/args", getpid());
-	if((fd = open(buf, OWRITE)) >= 0){
-		write(fd, cmdname, strlen(cmdname)+1);
-		close(fd);
-	}
-	free(cmdname);
-}
-
-void
-newproc(void (*f)(void *), void *arg, char *text)
-{
-	int kid = rfork(RFPROC|RFMEM|RFNOWAIT);
-
-	if (kid < 0)
-		sysfatal("can't fork: %r");
-	if (kid == 0) {
-		procsetname("%s", text);
-		(*f)(arg);
-		exits("child returned");
-	}
-}

sys/src/cmd/cwfs/portdat.h

@@ -415,7 +415,6 @@ struct	Superb
 struct	Conf
 {
 	ulong	nmach;		/* processors */
-	ulong	mem;		/* total physical bytes of memory */
 	ulong	nuid;		/* distinct uids */
 	ulong	nserve;		/* server processes */
 	ulong	nfile;		/* number of fid -- system wide */

sys/src/cmd/cwfs/portfns.h

@@ -131,7 +131,6 @@ void	machinit(void);
 Msgbuf*	mballoc(int, Chan*, int);
 void	mbinit(void);
 void	mbfree(Msgbuf*);
-ulong	meminit(void);
 Iobuf*	movebuf(Iobuf*);
 void	mcatinit(Device*);
 int	mcatread(Device*, Off, void*);

sys/src/cmd/cwfs/portmkfile

@@ -21,7 +21,7 @@ OFILES=\
 	malloc.$O\
 	mworm.$O\
 	net.$O\
-	pc.$O\
+	proc.$O\
 	scsi.$O\
 	sub.$O\
 	time.$O\

sys/src/cmd/cwfs/proc.c

@@ -0,0 +1,41 @@
+#include "all.h"
+#include "io.h"
+
+/*
+ * based on libthread's threadsetname, but drags in less library code.
+ * actually just sets the arguments displayed.
+ */
+void
+procsetname(char *fmt, ...)
+{
+	int fd;
+	char *cmdname;
+	char buf[128];
+	va_list arg;
+
+	va_start(arg, fmt);
+	cmdname = vsmprint(fmt, arg);
+	va_end(arg);
+	if (cmdname == nil)
+		return;
+	snprint(buf, sizeof buf, "#p/%d/args", getpid());
+	if((fd = open(buf, OWRITE)) >= 0){
+		write(fd, cmdname, strlen(cmdname)+1);
+		close(fd);
+	}
+	free(cmdname);
+}
+
+void
+newproc(void (*f)(void *), void *arg, char *text)
+{
+	int kid = rfork(RFPROC|RFMEM|RFNOWAIT);
+
+	if (kid < 0)
+		sysfatal("can't fork: %r");
+	if (kid == 0) {
+		procsetname("%s", text);
+		(*f)(arg);
+		exits("child returned");
+	}
+}