kernel: clean up Mach structure

Remove unused fields and factor common fields into a
new PMach struct in port/portdat.h.

The fields machno, splpc and proc are not moved to
PMach as they are part of the known offsets from
assembly (l.s).

sys/src/9/bcm/dat.h

@@ -150,42 +150,17 @@ struct Mach
 {
 	int	machno;			/* physical id of processor */
 	uintptr	splpc;			/* pc of last caller to splhi */
-
+	Proc*	proc;			/* current process on this processor */
-	Proc*	proc;			/* current process */
 
 	MMMU;
-	int	flushmmu;		/* flush current proc mmu state */
+	/* end of offsets known to asm */
 
-	ulong	ticks;			/* of the clock since boot time */
+	PMach;
-	Label	sched;			/* scheduler wakeup */
-	Lock	alarmlock;		/* access to alarm list */
-	void*	alarm;			/* alarms bound to this clock */
-
-	Proc*	readied;		/* for runproc */
-	ulong	schedticks;		/* next forced context switch */
 
 	int	cputype;
 	ulong	delayloop;
-
-	/* stats */
-	int	tlbfault;
-	int	tlbpurge;
-	int	pfault;
-	int	cs;
-	int	syscall;
-	int	load;
-	int	intr;
-	uvlong	fastclock;		/* last sampled value */
-	uvlong	inidle;			/* time spent in idlehands() */
-	ulong	spuriousintr;
-	int	lastintr;
-	int	ilockdepth;
-	Perf	perf;			/* performance counters */
-
-
 	int	cpumhz;
 	uvlong	cpuhz;			/* speed of cpu */
-	uvlong	cyclefreq;		/* Frequency of user readable cycle counter */
 
 	/* vfp2 or vfp3 fpu */
 	int	havefp;
@@ -206,7 +181,7 @@ struct Mach
 	u32int	smon[5];		/* probably not needed */
 	u32int	ssys[5];
 
-	int	stack[1];
+	uintptr	stack[1];
 };
 
 /*

sys/src/9/bcm64/dat.h

@@ -142,41 +142,17 @@ struct Mach
 {
 	int	machno;			/* physical id of processor */
 	uintptr	splpc;			/* pc of last caller to splhi */
-
+	Proc*	proc;			/* current process on this processor */
-	Proc*	proc;			/* current process */
+	/* end of offsets known to asm */
 
 	MMMU;
-	int	flushmmu;		/* flush current proc mmu state */
 
-	ulong	ticks;			/* of the clock since boot time */
+	PMach;
-	Label	sched;			/* scheduler wakeup */
-	Lock	alarmlock;		/* access to alarm list */
-	void*	alarm;			/* alarms bound to this clock */
-
-	Proc*	readied;		/* for runproc */
-	ulong	schedticks;		/* next forced context switch */
 
 	int	cputype;
 	ulong	delayloop;
-
-	/* stats */
-	int	tlbfault;
-	int	tlbpurge;
-	int	pfault;
-	int	cs;
-	int	syscall;
-	int	load;
-	int	intr;
-	uvlong	fastclock;		/* last sampled value */
-	uvlong	inidle;			/* time spent in idlehands() */
-	ulong	spuriousintr;
-	int	lastintr;
-	int	ilockdepth;
-	Perf	perf;			/* performance counters */
-
 	int	cpumhz;
 	uvlong	cpuhz;			/* speed of cpu */
-	uvlong	cyclefreq;		/* Frequency of user readable cycle counter */
 
 	int	stack[1];
 };

sys/src/9/cycv/dat.h

@@ -116,47 +116,23 @@ struct MMMU
 
 struct Mach
 {
-	/* known to assembly */
 	int	machno;			/* physical id of processor */
 	uintptr	splpc;			/* pc of last caller to splhi */
 	Proc*	proc;			/* current process */
 	ulong	excregs[3];
 	ulong	cycleshi;
-	/* end of known to assembly */
+	/* end of known offsets to assembly */
-
-	int	flushmmu;		/* flush current proc mmu state */
-
-	ulong	ticks;			/* of the clock since boot time */
-	Label	sched;			/* scheduler wakeup */
-	Lock	alarmlock;		/* access to alarm list */
-	void*	alarm;			/* alarms bound to this clock */
-	int	inclockintr;
-
-	Proc*	readied;		/* for runproc */
-	ulong	schedticks;		/* next forced context switch */
-
-	ulong	delayloop;
-
-	/* stats */
-	int	tlbfault;
-	int	tlbpurge;
-	int	pfault;
-	int	cs;
-	int	syscall;
-	int	load;
-	int	intr;
-	int	lastintr;
-	int	ilockdepth;
-	Perf	perf;			/* performance counters */
-
-
-	int	cpumhz;
-	uvlong	cpuhz;			/* speed of cpu */
-	uvlong	cyclefreq;		/* Frequency of user readable cycle counter */
 
 	MMMU;
 
-	int	stack[1];
+	PMach;
+
+	int	lastintr;
+
+	int	cpumhz;
+	uvlong	cpuhz;			/* speed of cpu */
+
+	uintptr	stack[1];
 };
 
 #define NISAOPT		8

sys/src/9/kw/dat.h

@@ -130,43 +130,19 @@ struct Mach
 {
 	int	machno;			/* physical id of processor */
 	uintptr	splpc;			/* pc of last caller to splhi */
-
 	Proc*	proc;			/* current process */
-
 	MMMU;
-	int	flushmmu;		/* flush current proc mmu state */
+	/* end of offsets known to asm */
 
-	ulong	ticks;			/* of the clock since boot time */
+	PMach;
-	Label	sched;			/* scheduler wakeup */
+
-	Lock	alarmlock;		/* access to alarm list */
+	vlong	fastclock;		/* last sampled value */
-	void*	alarm;			/* alarms bound to this clock */
 	int	inclockintr;
 
-	Proc*	readied;		/* for runproc */
-	ulong	schedticks;		/* next forced context switch */
-
 	int	cputype;
 	int	socrev;			/* system-on-chip revision */
 	ulong	delayloop;
-
-	/* stats */
-	int	tlbfault;
-	int	tlbpurge;
-	int	pfault;
-	int	cs;
-	int	syscall;
-	int	load;
-	int	intr;
-	vlong	fastclock;		/* last sampled value */
-	uvlong	inidle;			/* time spent in idlehands() */
-	ulong	spuriousintr;
-	int	lastintr;
-	int	ilockdepth;
-	Perf	perf;			/* performance counters */
-
-//	int	cpumhz;
 	uvlong	cpuhz;			/* speed of cpu */
-	uvlong	cyclefreq;		/* Frequency of user readable cycle counter */
 
 	/* save areas for exceptions */
 	u32int	sfiq[5];
@@ -178,7 +154,7 @@ struct Mach
 #define abtstack sabt
 #define undstack sund
 
-	int	stack[1];
+	uintptr	stack[1];
 };
 
 /*

sys/src/9/mtx/dat.h

@@ -123,54 +123,28 @@ struct Mach
 {
 	/* OFFSETS OF THE FOLLOWING KNOWN BY l.s */
 	int	machno;			/* physical id of processor */
-	ulong	splpc;			/* pc that called splhi() */
+	uintptr	splpc;			/* pc that called splhi() */
 	Proc	*proc;			/* current process on this processor */
 
 	/* ordering from here on irrelevant */
+	PMach;
+
+	uintptr	ptabbase;		/* start of page table in kernel virtual space */
+	int	slotgen;		/* next pte (byte offset) when pteg is full */
+	int	mmupid;			/* next mmu pid to use */
+	int	sweepcolor;
+	int	trigcolor;
+	Rendez	sweepr;
 
-	ulong	ticks;			/* of the clock since boot time */
-	Label	sched;			/* scheduler wakeup */
-	Lock	alarmlock;		/* access to alarm list */
-	void	*alarm;			/* alarms bound to this clock */
-	int	inclockintr;
 	int	cputype;
 	ulong	loopconst;
-
-	Proc*	readied;		/* for runproc */
-	ulong	schedticks;	/* next forced context switch */
-
 	vlong	cpuhz;
 	ulong	bushz;
 	ulong	dechz;
 	ulong	tbhz;
-	uvlong	cyclefreq;		/* Frequency of user readable cycle counter */
-
-	ulong	pcclast;
-	uvlong	fastclock;
-	Perf	perf;			/* performance counters */
-
-	int	tlbfault;		/* only used by devproc; no access to tlb */
-	int	tlbpurge;		/* ... */
-	int	pfault;
-	int	cs;
-	int	syscall;
-	int	load;
-	int	intr;
-	int	flushmmu;		/* make current proc flush it's mmu state */
-	int	ilockdepth;
-
-	ulong	ptabbase;		/* start of page table in kernel virtual space */
-	int		slotgen;		/* next pte (byte offset) when pteg is full */
-	int		mmupid;		/* next mmu pid to use */
-	int		sweepcolor;
-	int		trigcolor;
-	Rendez	sweepr;
-
-	ulong	spuriousintr;
-	int	lastintr;
 
 	/* MUST BE LAST */
-	int	stack[1];
+	uintptr	stack[1];
 };
 
 struct

sys/src/9/omap/dat.h

@@ -154,43 +154,19 @@ struct Mach
 {
 	int	machno;			/* physical id of processor */
 	uintptr	splpc;			/* pc of last caller to splhi */
-
 	Proc*	proc;			/* current process */
-
 	MMMU;
-	int	flushmmu;		/* flush current proc mmu state */
+	/* end of offsets known to asm */
 
-	ulong	ticks;			/* of the clock since boot time */
+	PMach;
-	Label	sched;			/* scheduler wakeup */
+
-	Lock	alarmlock;		/* access to alarm list */
+	uvlong	fastclock;		/* last sampled value */
-	void*	alarm;			/* alarms bound to this clock */
 	int	inclockintr;
 
-	Proc*	readied;		/* for runproc */
-	ulong	schedticks;		/* next forced context switch */
-
 	int	cputype;
 	ulong	delayloop;
-
-	/* stats */
-	int	tlbfault;
-	int	tlbpurge;
-	int	pfault;
-	int	cs;
-	int	syscall;
-	int	load;
-	int	intr;
-	uvlong	fastclock;		/* last sampled value */
-	uvlong	inidle;			/* time spent in idlehands() */
-	ulong	spuriousintr;
-	int	lastintr;
-	int	ilockdepth;
-	Perf	perf;			/* performance counters */
-
-
 	int	cpumhz;
 	uvlong	cpuhz;			/* speed of cpu */
-	uvlong	cyclefreq;		/* Frequency of user readable cycle counter */
 
 	/* save areas for exceptions, hold R0-R4 */
 	u32int	sfiq[5];
@@ -200,7 +176,7 @@ struct Mach
 	u32int	smon[5];		/* probably not needed */
 	u32int	ssys[5];
 
-	int	stack[1];
+	uintptr	stack[1];
 };
 
 /*

sys/src/9/pc/dat.h

@@ -190,50 +190,25 @@ typedef struct {
 	ulong	iomap;			/* I/O map base address + T-bit */
 } Tss;
 
+
 struct Mach
 {
-	int	machno;			/* physical id of processor (KNOWN TO ASSEMBLY) */
+	int	machno;			/* physical id of processor */
-	ulong	splpc;			/* pc of last caller to splhi */
+	uintptr	splpc;			/* pc of last caller to splhi */
-
-	ulong*	pdb;			/* page directory base for this processor (va) */
-	Tss*	tss;			/* tss for this processor */
-	Segdesc	*gdt;			/* gdt for this processor */
-
 	Proc*	proc;			/* current process on this processor */
 	Proc*	externup;		/* extern register Proc *up */
 
-	Page*	pdbpool;
+	PMach;
-	int	pdbcnt;
-
-	ulong	ticks;			/* of the clock since boot time */
-	Label	sched;			/* scheduler wakeup */
-	Lock	alarmlock;		/* access to alarm list */
-	void*	alarm;			/* alarms bound to this clock */
-	int	inclockintr;
-
-	Proc*	readied;		/* for runproc */
-	ulong	schedticks;		/* next forced context switch */
-
-	int	tlbfault;
-	int	tlbpurge;
-	int	pfault;
-	int	cs;
-	int	syscall;
-	int	load;
-	int	intr;
-	int	flushmmu;		/* make current proc flush it's mmu state */
-	int	ilockdepth;
-	Perf	perf;			/* performance counters */
 
+	uvlong	tscticks;
 	ulong	spuriousintr;
 	int	lastintr;
 
 	int	loopconst;
 	int	aalcycles;
-
 	int	cpumhz;
-	uvlong	cyclefreq;		/* Frequency of user readable cycle counter */
 	uvlong	cpuhz;
+
 	int	cpuidax;
 	int	cpuidcx;
 	int	cpuiddx;
@@ -242,19 +217,26 @@ struct Mach
 	uchar	cpuidfamily;
 	uchar	cpuidmodel;
 	uchar	cpuidstepping;
-	int	havetsc;
+
-	int	havepge;
+	char	havetsc;
-	int	havewatchpt8;
+	char	havepge;
-	int	havenx;
+	char	havewatchpt8;
-	uvlong	tscticks;
+	char	havenx;
-	int	pdballoc;
+
-	int	pdbfree;
+	ulong*	pdb;			/* page directory base for this processor (va) */
+	Tss*	tss;			/* tss for this processor */
+	Segdesc*gdt;			/* gdt for this processor */
 	
 	u32int	dr7;			/* shadow copy of dr7 */
 	u32int	xcr0;
 	void*	vmx;
 
-	int	stack[1];
+	Page*	pdbpool;
+	int	pdbcnt;
+	int	pdballoc;
+	int	pdbfree;
+
+	uintptr	stack[1];
 };
 
 /*

sys/src/9/pc64/dat.h

@@ -184,48 +184,21 @@ typedef struct {
 
 struct Mach
 {
-	int	machno;			/* physical id of processor (KNOWN TO ASSEMBLY) */
+	int	machno;			/* physical id of processor */
-	uintptr	splpc;			/* pc of last caller to splhi (KNOWN TO ASSEMBLY) */
+	uintptr	splpc;			/* pc of last caller to splhi */
+	Proc*	proc;			/* current process on this processor */
 
-	Proc*	proc;			/* current process on this processor (KNOWN TO ASSEMBLY) */
+	PMach;
-
-	u64int*	pml4;			/* pml4 base for this processor (va) */
-	Tss*	tss;			/* tss for this processor */
-	Segdesc	*gdt;			/* gdt for this processor */
-
-	u64int	mmumap[4];		/* bitmap of pml4 entries for zapping */
-	MMU*	mmufree;		/* freelist for MMU structures */
-	ulong	mmucount;		/* number of MMU structures in freelist */
-
-	ulong	ticks;			/* of the clock since boot time */
-	Label	sched;			/* scheduler wakeup */
-	Lock	alarmlock;		/* access to alarm list */
-	void*	alarm;			/* alarms bound to this clock */
-	int	inclockintr;
-
-	Proc*	readied;		/* for runproc */
-	ulong	schedticks;		/* next forced context switch */
-
-	int	tlbfault;
-	int	tlbpurge;
-	int	pfault;
-	int	cs;
-	int	syscall;
-	int	load;
-	int	intr;
-	int	flushmmu;		/* make current proc flush it's mmu state */
-	int	ilockdepth;
-	Perf	perf;			/* performance counters */
 
+	uvlong	tscticks;
 	ulong	spuriousintr;
 	int	lastintr;
 
 	int	loopconst;
 	int	aalcycles;
-
 	int	cpumhz;
-	uvlong	cyclefreq;		/* Frequency of user readable cycle counter */
 	uvlong	cpuhz;
+
 	int	cpuidax;
 	int	cpuidcx;
 	int	cpuiddx;
@@ -234,17 +207,24 @@ struct Mach
 	uchar	cpuidfamily;
 	uchar	cpuidmodel;
 	uchar	cpuidstepping;
-	int	havetsc;
+
-	int	havepge;
+	char	havetsc;
-	int	havewatchpt8;
+	char	havepge;
-	int	havenx;
+	char	havewatchpt8;
-	uvlong	tscticks;
+	char	havenx;
+
+	u64int*	pml4;			/* pml4 base for this processor (va) */
+	Tss*	tss;			/* tss for this processor */
+	Segdesc*gdt;			/* gdt for this processor */
 
 	u64int	dr7;			/* shadow copy of dr7 */
 	u64int	xcr0;
-
 	void*	vmx;
 
+	MMU*	mmufree;		/* freelist for MMU structures */
+	ulong	mmucount;		/* number of MMU structures in freelist */
+	u64int	mmumap[4];		/* bitmap of pml4 entries for zapping */
+
 	uintptr	stack[1];
 };
 

sys/src/9/port/portdat.h

@@ -31,6 +31,7 @@ typedef struct Pgrp	Pgrp;
 typedef struct Physseg	Physseg;
 typedef struct Proc	Proc;
 typedef struct Pte	Pte;
+typedef struct PMach	PMach;
 typedef struct QLock	QLock;
 typedef struct Queue	Queue;
 typedef struct Ref	Ref;
@@ -967,6 +968,29 @@ struct Watchpt
 	uintptr addr, len;
 };
 
+struct PMach
+{
+	Proc*	readied;		/* for runproc */
+	Label	sched;			/* scheduler wakeup */
+	ulong	ticks;			/* of the clock since boot time */
+	ulong	schedticks;		/* next forced context switch */
+
+	int	pfault;
+	int	cs;
+	int	syscall;
+	int	load;
+	int	intr;
+	int	ilockdepth;
+
+	int	flushmmu;		/* make current proc flush it's mmu state */
+
+	int	tlbfault;
+	int	tlbpurge;
+
+	Perf	perf;			/* performance counters */
+
+	uvlong	cyclefreq;		/* Frequency of user readable cycle counter */
+};
 
 /* queue state bits,  Qmsg, Qcoalesce, and Qkick can be set in qopen */
 enum

sys/src/9/ppc/dat.h

@@ -137,55 +137,31 @@ struct Mach
 /*0x14*/	ulong	dmiss;	/* number of data misses */
 
 	/* ordering from here on irrelevant */
+	PMach;
 
 	Imap*	imap;
 
-	ulong	ticks;		/* of the clock since boot time */
+	uintptr	ptabbase;	/* start of page table in kernel virtual space */
-	Label	sched;		/* scheduler wakeup */
-	Lock	alarmlock;	/* access to alarm list */
-	void	*alarm;		/* alarms bound to this clock */
-	int	inclockintr;
-	int	cputype;
-	ulong	loopconst;
-	Perf	perf;		/* performance counters */
-
-	Proc*	readied;	/* for runproc */
-	ulong	schedticks;	/* next forced context switch */
-
-	ulong	clkin;		/* basic clock frequency */
-	ulong	vco_out;
-	vlong	cpuhz;
-	uvlong	cyclefreq;	/* Frequency of user readable cycle counter */
-	ulong	bushz;
-	ulong	dechz;
-	ulong	tbhz;
-	ulong	cpmhz;		/* communications processor module frequency */
-	ulong	brghz;		/* baud rate generator frequency */
-
-	ulong	pcclast;
-	uvlong	fastclock;
-
-	int	tlbpurge;	/* # of tlb purges */
-	int	pfault;		/* # of page faults */
-	int	cs;
-	int	syscall;
-	int	load;
-	int	intr;
-	int	flushmmu;	/* make current proc flush it's mmu state */
-	int	ilockdepth;
-
-	ulong	ptabbase;	/* start of page table in kernel virtual space */
 	int	slotgen;	/* next pte (byte offset) when pteg is full */
 	int	mmupid;		/* next mmu pid to use */
 	int	sweepcolor;
 	int	trigcolor;
 	Rendez	sweepr;
 
-	ulong	spuriousintr;
+	int	cputype;
-	int	lastintr;
+	ulong	loopconst;
+
+	ulong	clkin;		/* basic clock frequency */
+	ulong	vco_out;
+	vlong	cpuhz;
+	ulong	bushz;
+	ulong	dechz;
+	ulong	tbhz;
+	ulong	cpmhz;		/* communications processor module frequency */
+	ulong	brghz;		/* baud rate generator frequency */
 
 	/* MUST BE LAST */
-	int	stack[1];
+	uintptr	stack[1];
 };
 
 struct

sys/src/9/sgi/dat.h

@@ -144,48 +144,34 @@ struct Mach
 	int	machno;			/* physical id of processor */
 	Softtlb*stb;
 	Proc*	proc;			/* process on this processor */
-	ulong	splpc;			/* pc that called splhi() */
+	uintptr	splpc;			/* pc that called splhi() */
 	ulong	tlbfault;
 
 	/* the following is safe to move */
-	ulong	tlbpurge;
+	PMach;
-	ulong	ticks;			/* of the clock since boot time */
+
-	Label	sched;			/* scheduler wakeup */
-	void*	alarm;			/* alarms bound to this clock */
 	int	lastpid;		/* last pid allocated on this machine */
 	Proc*	pidproc[NTLBPID];	/* proc that owns tlbpid on this mach */
+
 	KMap*	kactive;		/* active on this machine */
 	int	knext;
 	uchar	ktlbx[NTLB];		/* tlb index used for kmap */
 	uchar	ktlbnext;
-	int	speed;			/* cpu speed */
-	ulong	delayloop;		/* for the delay() routine */
-	ulong	fairness;		/* for runproc */
-	int	flushmmu;
-	int	inclockintr;
-	int	ilockdepth;
-	Perf	perf;			/* performance counters */
-	uvlong	cyclefreq;		/* Frequency of user readable cycle counter */
 
 	/* for per-processor timers */
-	ulong	lastcount;
 	uvlong	fastticks;
+	ulong	lastcount;
+
 	ulong	hz;
+	int	speed;			/* cpu speed */
+	ulong	delayloop;		/* for the delay() routine */
 	ulong	maxperiod;
 	ulong	minperiod;
 
-	Proc*	readied;		/* for runproc */
-	ulong	schedticks;		/* next forced context switch */
-
-	int	pfault;
-	int	cs;
-	int	syscall;
-	int	load;
-	int	intr;
 	int	hashcoll;		/* soft-tlb hash collisions */
 	int	paststartup;		/* for putktlb */
 
-	int	stack[1];
+	uintptr	stack[1];
 };
 
 struct KMap

sys/src/9/teg2/dat.h

@@ -163,51 +163,27 @@ struct PMMU
 
 struct Mach
 {
-	/* offsets known to asm */
 	int	machno;			/* physical id of processor */
 	uintptr	splpc;			/* pc of last caller to splhi */
-
+	Proc*	proc;			/* current process on this processor */
-	Proc*	proc;			/* current process */
 
 	MMMU;
 	/* end of offsets known to asm */
-	int	flushmmu;		/* flush current proc mmu state */
 
-	ulong	ticks;			/* of the clock since boot time */
+	PMach;
-	Label	sched;			/* scheduler wakeup */
-	Lock	alarmlock;		/* access to alarm list */
-	void*	alarm;			/* alarms bound to this clock */
-	int	inclockintr;
 
-	Proc*	readied;		/* for runproc */
-	ulong	schedticks;		/* next forced context switch */
-
-	int	cputype;
-	ulong	delayloop;
-
-	/* stats */
-	int	tlbfault;
-	int	tlbpurge;
-	int	pfault;
-	int	cs;
-	int	syscall;
-	int	load;
-	int	intr;
 	uvlong	fastclock;		/* last sampled value */
-	uvlong	inidle;			/* time spent in idlehands() */
+	int	inclockintr;
-	ulong	spuriousintr;
+	int	inidlehands;
-	int	lastintr;
-	int	ilockdepth;
-	Perf	perf;			/* performance counters */
 
 	int	probing;		/* probeaddr() state */
 	int	trapped;
 	Lock	probelock;
-	int	inidlehands;
 
+	int	cputype;
+	ulong	delayloop;
 	int	cpumhz;
 	uvlong	cpuhz;			/* speed of cpu */
-	uvlong	cyclefreq;		/* Frequency of user readable cycle counter */
 
 	/* vfp3 fpu */
 	int	havefp;
@@ -228,7 +204,7 @@ struct Mach
 	u32int	smon[5];		/* probably not needed */
 	u32int	ssys[5];
 
-	int	stack[1];
+	uintptr	stack[1];
 };
 
 /*

sys/src/9/zynq/dat.h

@@ -115,7 +115,6 @@ struct MMMU
 
 struct Mach
 {
-	/* known to assembly */
 	int	machno;			/* physical id of processor */
 	uintptr	splpc;			/* pc of last caller to splhi */
 	Proc*	proc;			/* current process */
@@ -123,39 +122,16 @@ struct Mach
 	ulong	cycleshi;
 	/* end of known to assembly */
 
-	int	flushmmu;		/* flush current proc mmu state */
+	MMMU;
 
-	ulong	ticks;			/* of the clock since boot time */
+	PMach;
-	Label	sched;			/* scheduler wakeup */
-	Lock	alarmlock;		/* access to alarm list */
-	void*	alarm;			/* alarms bound to this clock */
-	int	inclockintr;
 
-	Proc*	readied;		/* for runproc */
-	ulong	schedticks;		/* next forced context switch */
-
-	ulong	delayloop;
-
-	/* stats */
-	int	tlbfault;
-	int	tlbpurge;
-	int	pfault;
-	int	cs;
-	int	syscall;
-	int	load;
-	int	intr;
 	int	lastintr;
-	int	ilockdepth;
-	Perf	perf;			/* performance counters */
-
 
 	int	cpumhz;
 	uvlong	cpuhz;			/* speed of cpu */
-	uvlong	cyclefreq;		/* Frequency of user readable cycle counter */
 
-	MMMU;
+	uintptr	stack[1];
-
-	int	stack[1];
 };
 
 #define NISAOPT		8