From 78ee7d5717807e6ac779293d0d3c78341de6130a Mon Sep 17 00:00:00 2001
From: "Konstantin Kirik (snegovick)" <snegovick@uprojects.org>
Date: Sun, 28 Dec 2025 12:27:31 +0300
Subject: Move existing boards into subdits split per arch

---
 os/mpc/devbench.c | 243 ------------------------------------------------------
 1 file changed, 243 deletions(-)
 delete mode 100644 os/mpc/devbench.c

(limited to 'os/mpc/devbench.c')

diff --git a/os/mpc/devbench.c b/os/mpc/devbench.c
deleted file mode 100644
index a35a57b0..00000000
--- a/os/mpc/devbench.c
+++ /dev/null
@@ -1,243 +0,0 @@
-#include "u.h"
-#include "../port/lib.h"
-#include "mem.h"
-#include "dat.h"
-#include "fns.h"
-#include "io.h"
-#include "../port/error.h"
-
-typedef struct Psync Psync;
-
-enum {
-	Maxprocs=2,
-};
-
-struct Psync {
-	Rendez	r;
-	int	flag;
-};
-static Psync timesync[Maxprocs];
-static Ref nactive;
-static Ref nbusy;
-
-static int
-timev(void *a)
-{
-	return *(int*)a;
-}
-
-static void
-timesched0(void *ap)
-{
-	long tot, t, i, lim, low, max;
-	Psync *ps;
-
-	ps = ap;
-	sleep(&ps->r, timev, &ps->flag);
-	setpri(PriRealtime);
-	incref(&nbusy);
-	while(nbusy.ref < nactive.ref)
-		sched();
-	lim = 1000;
-	low = 64000000;
-	max = 0;
-	tot = 0;
-	for(i=0; i<lim; i++){
-if(i<8)print("%lud\n", up->pid);
-		do{
-			t = gettbl();
-			sched();
-			t = gettbl()-t;
-		}while(t < 0);
-		if(t < low)
-			low = t;
-		if(t > max)
-			max = t;
-		tot += t;
-	}
-	print("%lud %lud %lud %lud %lud\n", up->pid, lim, tot, low, max);
-	decref(&nactive);
-	pexit("", 0);
-}
-
-static void
-timesched(void)
-{
-	int i, np;
-
-	for(np=1; np<=Maxprocs; np++){
-		nactive.ref = np;
-		print("%d procs\n", np);
-		setpri(PriRealtime);
-		for(i=0; i<np; i++)
-			kproc("timesched", timesched0, &timesync[i], 0);
-		for(i=0; i<np; i++){
-			timesync[i].flag = 1;
-			wakeup(&timesync[i].r);
-		}
-		setpri(PriNormal);
-		while(nactive.ref>0)
-			sched();
-	}
-}
-
-typedef struct Ictr Ictr;
-struct Ictr {
-	ulong	base;
-	ulong	sleep;
-	ulong	spllo;
-	ulong	intr;
-	ulong	isave;
-	ulong	arrive;
-	ulong	wakeup;
-	ulong	awake;
-};
-static Ictr counters[100], *curct;
-static int intrwant;
-static Rendez vous;
-int	spltbl;	/* set by spllo */
-int	intrtbl;	/* set by intrvec() */
-int	isavetbl;	/* set by intrvec() */
-
-static void
-intrwake(Ureg*, void*)
-{
-	m->iomem->tgcr &= ~1;	/* reset the timer */
-	curct->spllo = spltbl;
-	curct->intr = intrtbl;
-	curct->isave = isavetbl;
-	curct->arrive = gettbl();
-	intrwant = 0;
-	wakeup(&vous);
-	curct->wakeup = gettbl();
-}
-
-/*
- * sleep calls intrtest with splhi (under lock):
- * provoke the interrupt now, so that it is guaranteed
- * not to happen until sleep has queued the process,
- * forcing wakeup to do something.
- */
-static int
-intrtest(void*)
-{
-	m->iomem->tgcr |= 1;		/* enable timer: allow interrupt */
-	curct->sleep = gettbl();
-	return intrwant==0;
-}
-
-static void
-intrtime(void)
-{
-	IMM *io;
-	Ictr *ic;
-	long t;
-	int i;
-
-	sched();
-	curct = counters;
-	io = ioplock();
-	io->tgcr &= ~3;
-	iopunlock();
-	intrenable(VectorCPIC+0x19, intrwake, nil, BUSUNKNOWN, "bench");
-	for(i=0; i<nelem(counters); i++){
-		curct = &counters[i];
-		//puttbl(0);
-		intrwant = 1;
-		io = m->iomem;	/* don't lock, to save time */
-		io->tmr1 = (0<<8)|TimerORI|TimerSclk;
-		io->trr1 = 1;
-		curct->base = gettbl();
-		sleep(&vous, intrtest, nil);
-		curct->awake = gettbl();
-		sched();	/* just to slow it down between trials */
-	}
-	m->iomem->tmr1 = 0;
-	print("interrupt\n");
-	for(i=0; i<20; i++){
-		ic = &counters[i];
-		t = ic->awake - ic->base;
-		ic->awake -= ic->wakeup;
-		ic->wakeup -= ic->arrive;
-		ic->arrive -= ic->isave;
-		ic->isave -= ic->intr;
-		ic->intr -= ic->spllo;
-		ic->spllo -= ic->sleep;
-		ic->sleep -= ic->base;
-		print("%ld\t%ld\t%ld\t%ld\t%ld\t%ld\t%ld\t%ld\n", ic->sleep, ic->spllo, ic->intr, ic->isave, ic->arrive, ic->wakeup, ic->awake, t);
-	}
-}
-
-static Chan*
-benchattach(char *spec)
-{
-	timesched();
-	intrtime();
-	USED(spec);
-	error(Eperm);
-	return nil;
-}
-
-static Walkqid*
-benchwalk(Chan*, Chan*, char**, int)
-{
-	error(Enonexist);
-	return 0;
-}
-
-static Chan*
-benchopen(Chan*, int)
-{
-	error(Eperm);
-	return nil;
-}
-
-static int
-benchstat(Chan*, uchar*, int)
-{
-	error(Eperm);
-	return 0;
-}
-
-static void
-benchclose(Chan*)
-{
-}
-
-static long	 
-benchread(Chan *c, void *buf, long n, vlong offset)
-{
-	USED(c, buf, n, offset);
-	error(Eperm);
-	return 0;
-}
-
-static long	 
-benchwrite(Chan *c, void *buf, long n, vlong offset)
-{
-	USED(c, buf, n, offset);
-	error(Eperm);
-	return 0;
-}
-
-
-Dev	benchdevtab = {
-	'x',
-	"bench",
-
-	devreset,
-	devinit,
-	devshutdown,
-	benchattach,
-	benchwalk,
-	benchstat,
-	benchopen,
-	devcreate,
-	benchclose,
-	benchread,
-	devbread,
-	benchwrite,
-	devbwrite,
-	devremove,
-	devwstat,
-};
-- 
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