Move existing boards into subdits split per arch

1 files changed, 0 insertions, 620 deletions

diff --git a/os/pc/devvga.c b/os/pc/devvga.c
deleted file mode 100644
index 0d7a9f0d..00000000
--- a/os/pc/devvga.c
+++ /dev/null
@@ -1,620 +0,0 @@
-/*
- * VGA controller
- */
-#include "u.h"
-#include "../port/lib.h"
-#include "mem.h"
-#include "dat.h"
-#include "fns.h"
-#include "../port/error.h"
-
-#define	Image	IMAGE
-#include <draw.h>
-#include <memdraw.h>
-#include <cursor.h>
-#include "screen.h"
-
-typedef struct Vgaseg Vgaseg;
-struct Vgaseg {
-	QLock;
-	ulong	pa;
-	ulong	len;
-	void*	va;
-};
-
-enum {
-	Nvgaseg = 4,
-
-	Qdir = 0,
-	Qvgactl,
-	Qvgaovl,
-	Qvgaovlctl,
-
-	Qsegs,
-	Qmax = Qsegs+Nvgaseg
-};
-
-static Dirtab vgadir[Qmax] = {
-	".",	{ Qdir, 0, QTDIR },		0,	0550,
-	"vgactl",		{ Qvgactl, 0 },		0,	0660,
-	"vgaovl",		{ Qvgaovl, 0 },		0,	0660,
-	"vgaovlctl",	{ Qvgaovlctl, 0 },	0, 	0660,
-	/* dynamically-created memory segments are added here */
-};
-
-static Vgaseg vgasegs[Nvgaseg];
-static Lock vgadirlock;
-static int nvgadir = Qsegs;
-
-enum {
-	CMactualsize,
-	CMblank,
-	CMblanktime,
-	CMdrawinit,
-	CMhwaccel,
-	CMhwblank,
-	CMhwgc,
-	CMlinear,
-	CMpalettedepth,
-	CMpanning,
-	CMsize,
-	CMtype,
-	CMunblank,
-};
-
-static Cmdtab vgactlmsg[] = {
-	CMactualsize,	"actualsize",	2,
-	CMblank,	"blank",	1,
-	CMblanktime,	"blanktime",	2,
-	CMdrawinit,	"drawinit",	1,
-	CMhwaccel,	"hwaccel",	2,
-	CMhwblank,	"hwblank",	2,
-	CMhwgc,		"hwgc",		2,
-	CMlinear,	"linear",	0,
-	CMpalettedepth,	"palettedepth",	2,
-	CMpanning,	"panning",	2,
-	CMsize,		"size",		3,
-	CMtype,		"type",		2,
-	CMunblank,	"unblank",	1,
-};
-
-static void
-vgareset(void)
-{
-	/* reserve the 'standard' vga registers */
-	if(ioalloc(0x2b0, 0x2df-0x2b0+1, 0, "vga") < 0)
-		panic("vga ports already allocated"); 
-	if(ioalloc(0x3c0, 0x3da-0x3c0+1, 0, "vga") < 0)
-		panic("vga ports already allocated"); 
-	conf.monitor = 1;
-}
-
-void
-addvgaseg(char *name, ulong pa, ulong size)
-{
-	int i;
-	Dirtab d;
-	Vgaseg *s;
-	ulong va;
-
-	va = mmukmap(pa, 0, size);
-	if(va == 0)
-		return;
-	memset(&d, 0, sizeof(d));
-	strecpy(d.name, d.name+sizeof(name), name);
-	lock(&vgadirlock);
-	for(i=0; i<nvgadir; i++)
-		if(strcmp(vgadir[i].name, name) == 0){
-			unlock(&vgadirlock);
-			print("devvga: duplicate segment %s\n", name);
-			return;
-		}
-	if(nvgadir >= nelem(vgadir)){
-		unlock(&vgadirlock);
-		print("devvga: segment %s: too many segments\n", name);
-		return;
-	}
-	d.qid.path = nvgadir;
-	d.perm = 0660;
-	d.length = size;
-	s = &vgasegs[nvgadir-Qsegs];
-	s->pa = pa;
-	s->len = size;
-	s->va = (void*)va;
-	vgadir[nvgadir] = d;
-	nvgadir++;
-	unlock(&vgadirlock);
-}
-
-static long
-vgasegrd(Vgaseg *s, uchar *buf, long n, ulong offset)
-{
-	int i;
-	uchar *a, *d;
-	ulong v;
-
-	if(offset >= s->len)
-		return 0;
-	if(offset+n > s->len)
-		n = s->len - offset;
-	d = (uchar*)s->va + offset;
-	qlock(s);
-	if(waserror()){
-		qunlock(s);
-		nexterror();
-	}
-	a = buf;
-	while(n > 0){
-		i = 4 - ((ulong)d & 3);
-		if(i > n)
-			i = n;
-		if(i == 3)
-			i = 2;
-		switch(i){
-		case 4:
-			v = (a[3]<<24) | (a[2]<<16) | (a[1]<<8) | a[0];
-			*(ulong*)d = v;
-			break;
-		case 2:
-			v = (a[1]<<8) | a[0];
-			*(ushort*)d = v;
-			break;
-		case 1:
-			*d = *a;
-			break;
-		}
-		d += i;
-		a += i;
-		n -= i;
-	}
-	poperror();
-	qunlock(s);
-	return a-buf;
-}
-
-static long
-vgasegwr(Vgaseg *s, uchar *buf, long n, ulong offset)
-{
-	int i;
-	uchar *a, *r;
-	ulong v;
-
-	if(offset >= s->len)
-		return 0;
-	if(offset+n > s->len)
-		n = s->len - offset;
-	r = (uchar*)s->va + offset;
-	qlock(s);
-	if(waserror()){
-		qunlock(s);
-		nexterror();
-	}
-	a = buf;
-	while(n > 0){
-		i = 4 - ((ulong)r & 3);
-		if(i > n)
-			i = n;
-		if(i == 3)
-			i = 2;
-		switch(i){
-		case 4:
-			v = *(ulong*)r;
-			a[0] = v;
-			a[1] = v>>8;
-			a[2] = v>>16;
-			a[3] = v>>24;
-			break;
-		case 2:
-			v = *(ushort*)r;
-			a[0] = v;
-			a[1] = v>>8;
-			break;
-		case 1:
-			*a = *r;
-			break;
-		}
-		r += i;
-		a += i;
-		n -= i;
-	}
-	poperror();
-	qunlock(s);
-	return a-buf;
-}
-
-static Chan*
-vgaattach(char* spec)
-{
-	if(*spec && strcmp(spec, "0"))
-		error(Eio);
-	return devattach('v', spec);
-}
-
-Walkqid*
-vgawalk(Chan* c, Chan *nc, char** name, int nname)
-{
-	return devwalk(c, nc, name, nname, vgadir, nvgadir, devgen);
-}
-
-static int
-vgastat(Chan* c, uchar* dp, int n)
-{
-	return devstat(c, dp, n, vgadir, nvgadir, devgen);
-}
-
-static Chan*
-vgaopen(Chan* c, int omode)
-{
-	VGAscr *scr;
-	static char *openctl = "openctl\n";
-
-	scr = &vgascreen[0];
-	if ((ulong)c->qid.path == Qvgaovlctl) {
-		if (scr->dev && scr->dev->ovlctl)
-			scr->dev->ovlctl(scr, c, openctl, strlen(openctl));
-		else 
-			error(Enonexist);
-	}
-	return devopen(c, omode, vgadir, nvgadir, devgen);
-}
-
-static void
-vgaclose(Chan* c)
-{
-	VGAscr *scr;
-	static char *closectl = "closectl\n";
-
-	scr = &vgascreen[0];
-	if((ulong)c->qid.path == Qvgaovlctl)
-		if(scr->dev && scr->dev->ovlctl){
-			if(waserror()){
-				print("ovlctl error: %s\n", up->env->errstr);
-				return;
-			}
-			scr->dev->ovlctl(scr, c, closectl, strlen(closectl));
-			poperror();
-		}
-}
-
-static void
-checkport(int start, int end)
-{
-	/* standard vga regs are OK */
-	if(start >= 0x2b0 && end <= 0x2df+1)
-		return;
-	if(start >= 0x3c0 && end <= 0x3da+1)
-		return;
-
-	if(iounused(start, end))
-		return;
-	error(Eperm);
-}
-
-static long
-vgaread(Chan* c, void* a, long n, vlong off)
-{
-	int len;
-	char *p, *s;
-	VGAscr *scr;
-	ulong offset = off;
-	char chbuf[30];
-
-	switch((ulong)c->qid.path){
-
-	case Qdir:
-		return devdirread(c, a, n, vgadir, nvgadir, devgen);
-
-	case Qvgactl:
-		scr = &vgascreen[0];
-
-		p = malloc(READSTR);
-		if(waserror()){
-			free(p);
-			nexterror();
-		}
-
-		len = 0;
-
-		if(scr->dev)
-			s = scr->dev->name;
-		else
-			s = "cga";
-		len += snprint(p+len, READSTR-len, "type %s\n", s);
-
-		if(scr->gscreen) {
-			len += snprint(p+len, READSTR-len, "size %dx%dx%d %s\n",
-				scr->gscreen->r.max.x, scr->gscreen->r.max.y,
-				scr->gscreen->depth, chantostr(chbuf, scr->gscreen->chan));
-
-			if(Dx(scr->gscreen->r) != Dx(physgscreenr) 
-			|| Dy(scr->gscreen->r) != Dy(physgscreenr))
-				len += snprint(p+len, READSTR-len, "actualsize %dx%d\n",
-					physgscreenr.max.x, physgscreenr.max.y);
-		}
-
-		len += snprint(p+len, READSTR-len, "blank time %lud idle %d state %s\n",
-			blanktime, drawidletime(), scr->isblank ? "off" : "on");
-		len += snprint(p+len, READSTR-len, "hwaccel %s\n", hwaccel ? "on" : "off");
-		len += snprint(p+len, READSTR-len, "hwblank %s\n", hwblank ? "on" : "off");
-		len += snprint(p+len, READSTR-len, "panning %s\n", panning ? "on" : "off");
-		snprint(p+len, READSTR-len, "addr 0x%lux\n", scr->aperture);
-		n = readstr(offset, a, n, p);
-		poperror();
-		free(p);
-
-		return n;
-
-	case Qvgaovl:
-	case Qvgaovlctl:
-		error(Ebadusefd);
-		break;
-
-	default:
-		if(c->qid.path < nvgadir)
-			return vgasegrd(&vgasegs[c->qid.path], a, n, offset);
-		error(Egreg);
-		break;
-	}
-
-	return 0;
-}
-
-static char Ebusy[] = "vga already configured";
-
-static void
-vgactl(Cmdbuf *cb)
-{
-	int align, i, size, x, y, z;
-	char *chanstr, *p;
-	ulong chan;
-	Cmdtab *ct;
-	VGAscr *scr;
-	extern VGAdev *vgadev[];
-	extern VGAcur *vgacur[];
-
-	scr = &vgascreen[0];
-	ct = lookupcmd(cb, vgactlmsg, nelem(vgactlmsg));
-	switch(ct->index){
-	case CMhwgc:
-		if(strcmp(cb->f[1], "off") == 0){
-			lock(&cursor);
-			if(scr->cur){
-				if(scr->cur->disable)
-					scr->cur->disable(scr);
-				scr->cur = nil;
-			}
-			unlock(&cursor);
-			return;
-		}
-
-		for(i = 0; vgacur[i]; i++){
-			if(strcmp(cb->f[1], vgacur[i]->name))
-				continue;
-			lock(&cursor);
-			if(scr->cur && scr->cur->disable)
-				scr->cur->disable(scr);
-			scr->cur = vgacur[i];
-			if(scr->cur->enable)
-				scr->cur->enable(scr);
-			unlock(&cursor);
-			return;
-		}
-		break;
-
-	case CMtype:
-		for(i = 0; vgadev[i]; i++){
-			if(strcmp(cb->f[1], vgadev[i]->name))
-				continue;
-			if(scr->dev && scr->dev->disable)
-				scr->dev->disable(scr);
-			scr->dev = vgadev[i];
-			if(scr->dev->enable)
-				scr->dev->enable(scr);
-			return;
-		}
-		break;
-
-	case CMsize:
-		if(drawhasclients())
-			error(Ebusy);
-
-		x = strtoul(cb->f[1], &p, 0);
-		if(x == 0 || x > 2048)
-			error(Ebadarg);
-		if(*p)
-			p++;
-
-		y = strtoul(p, &p, 0);
-		if(y == 0 || y > 2048)
-			error(Ebadarg);
-		if(*p)
-			p++;
-
-		z = strtoul(p, &p, 0);
-
-		chanstr = cb->f[2];
-		if((chan = strtochan(chanstr)) == 0)
-			error("bad channel");
-
-		if(chantodepth(chan) != z)
-			error("depth, channel do not match");
-
-		cursoroff(1);
-		deletescreenimage();
-		if(screensize(x, y, z, chan))
-			error(Egreg);
-		vgascreenwin(scr);
-		cursoron(1);
-		return;
-
-	case CMactualsize:
-		if(scr->gscreen == nil)
-			error("set the screen size first");
-
-		x = strtoul(cb->f[1], &p, 0);
-		if(x == 0 || x > 2048)
-			error(Ebadarg);
-		if(*p)
-			p++;
-
-		y = strtoul(p, nil, 0);
-		if(y == 0 || y > 2048)
-			error(Ebadarg);
-
-		if(x > scr->gscreen->r.max.x || y > scr->gscreen->r.max.y)
-			error("physical screen bigger than virtual");
-
-		physgscreenr = Rect(0,0,x,y);
-		scr->gscreen->clipr = physgscreenr;
-		return;
-	
-	case CMpalettedepth:
-		x = strtoul(cb->f[1], &p, 0);
-		if(x != 8 && x != 6)
-			error(Ebadarg);
-
-		scr->palettedepth = x;
-		return;
-
-	case CMdrawinit:
-		memimagedraw(scr->gscreen, scr->gscreen->r, memblack, ZP, nil, ZP, S);
-		if(scr && scr->dev && scr->dev->drawinit)
-			scr->dev->drawinit(scr);
-		return;
-	
-	case CMlinear:
-		if(cb->nf!=2 && cb->nf!=3)
-			error(Ebadarg);
-		size = strtoul(cb->f[1], 0, 0);
-		if(cb->nf == 2)
-			align = 0;
-		else
-			align = strtoul(cb->f[2], 0, 0);
-		if(screenaperture(size, align))
-			error("not enough free address space");
-		return;
-
-	case CMblank:
-		drawblankscreen(1);
-		return;
-	
-	case CMunblank:
-		drawblankscreen(0);
-		return;
-	
-	case CMblanktime:
-		blanktime = strtoul(cb->f[1], 0, 0);
-		return;
-
-	case CMpanning:
-		if(strcmp(cb->f[1], "on") == 0){
-			if(scr == nil || scr->cur == nil)
-				error("set screen first");
-			if(!scr->cur->doespanning)
-				error("panning not supported");
-			scr->gscreen->clipr = scr->gscreen->r;
-			panning = 1;
-		}
-		else if(strcmp(cb->f[1], "off") == 0){
-			scr->gscreen->clipr = physgscreenr;
-			panning = 0;
-		}else
-			break;
-		return;
-
-	case CMhwaccel:
-		if(strcmp(cb->f[1], "on") == 0)
-			hwaccel = 1;
-		else if(strcmp(cb->f[1], "off") == 0)
-			hwaccel = 0;
-		else
-			break;
-		return;
-	
-	case CMhwblank:
-		if(strcmp(cb->f[1], "on") == 0)
-			hwblank = 1;
-		else if(strcmp(cb->f[1], "off") == 0)
-			hwblank = 0;
-		else
-			break;
-		return;
-	}
-
-	cmderror(cb, "bad VGA control message");
-}
-
-char Enooverlay[] = "No overlay support";
-
-static long
-vgawrite(Chan* c, void* a, long n, vlong off)
-{
-	ulong offset = off;
-	Cmdbuf *cb;
-	VGAscr *scr;
-
-	switch((ulong)c->qid.path){
-
-	case Qdir:
-		error(Eperm);
-
-	case Qvgactl:
-		if(offset || n >= READSTR)
-			error(Ebadarg);
-		cb = parsecmd(a, n);
-		if(waserror()){
-			free(cb);
-			nexterror();
-		}
-		vgactl(cb);
-		poperror();
-		free(cb);
-		return n;
-
-	case Qvgaovl:
-		scr = &vgascreen[0];
-		if (scr->dev == nil || scr->dev->ovlwrite == nil) {
-			error(Enooverlay);
-			break;
-		}
-		return scr->dev->ovlwrite(scr, a, n, off);
-
-	case Qvgaovlctl:
-		scr = &vgascreen[0];
-		if (scr->dev == nil || scr->dev->ovlctl == nil) {
-			error(Enooverlay);
-			break;
-		}
-		scr->dev->ovlctl(scr, c, a, n);
-		return n;
-
-	default:
-		if(c->qid.path < nvgadir)
-			return vgasegwr(&vgasegs[c->qid.path], a, n, offset);
-		error(Egreg);
-		break;
-	}
-
-	return 0;
-}
-
-Dev vgadevtab = {
-	'v',
-	"vga",
-
-	vgareset,
-	devinit,
-	devshutdown,
-	vgaattach,
-	vgawalk,
-	vgastat,
-	vgaopen,
-	devcreate,
-	vgaclose,
-	vgaread,
-	devbread,
-	vgawrite,
-	devbwrite,
-	devremove,
-	devwstat,
-};