Merge dbe88c18c9 into 8773bd95f0

Use framebuffer pitch instead of width where necessary

build/sync.sh

@@ -74,6 +74,12 @@ else
 	sudo modprobe nbd
 	[ ! -d $TMPMOUNT ] && mkdir $TMPMOUNT
 	case $1 in
+		flush)
+			mount_vdisk
+			sudo blockdev --flushbufs /dev/nbd0
+			sudo dosfsck -w -r -l -v -t /dev/nbd0
+			umount_vdisk
+			;;
 		diff)
 			mount_vdisk
 			diff -x *.MAP --color=always -r ../src/ $TMPMOUNT/ | less -R -p "diff -x.*|Only in.*"

src/Demo/Graphics/32BitColor.ZC

@@ -4,7 +4,7 @@
 
 I0 DrawPixel(I64 x, I64 y, CBGR24 color)
 {
-	text.fb_alias[x + y * GR_WIDTH] = color;
+	text.fb_alias[x + y * sys_framebuffer_width] = color;
 }
 
 I0 Color32Demo()

src/Demo/Graphics/32BitPaint.ZC

@@ -32,12 +32,12 @@ U0 PaintGlobalsInit()
 
 I0 DrawImagePixel(I64 x, I64 y, CBGR24 color)
 {
-	paint.fb[x + y * GR_WIDTH] = color;
+	paint.fb[x + y * sys_framebuffer_width] = color;
 }
 
 I0 DrawScreenPixel(I64 x, I64 y, CBGR24 color)
 {
-	text.fb_alias[x + y * GR_WIDTH] = color;
+	text.fb_alias[x + y * sys_framebuffer_width] = color;
 }
 
 I0 DrawScreenChar(I64 x, I64 y, I64 char)
@@ -136,7 +136,7 @@ U0 PaintLoadImage()
 
 U32 PaintImagePeek(I64 x, I64 y)
 {
-	return paint.fb[x + y * GR_WIDTH];
+	return paint.fb[x + y * sys_framebuffer_width];
 }
 
 I0 Paint32()
@@ -176,7 +176,7 @@ I0 Paint32()
 		// draw the image where the brush was last covering it
 		for (i = paint.last_x; i < paint.last_x + paint.last_thick; i++)
 			for (j = paint.last_y; j < paint.last_y + paint.last_thick; j++)
-				DrawScreenPixel(i, j, paint.fb[i + j * GR_WIDTH]);
+				DrawScreenPixel(i, j, paint.fb[i + j * sys_framebuffer_width]);
 
 		// draw the brush on the screen
 		DrawScreenBrush(mouse.pos.x, mouse.pos.y, paint.color, paint.thick);
@@ -193,7 +193,7 @@ I0 Paint32()
 		// draw the image where the color strings where covering it 
 		for (i = 0; i < 3 * FONT_HEIGHT; i++)
 			for (j = 0; j < 12 * FONT_WIDTH; j++)
-				DrawScreenPixel(j, i, paint.fb[j + i * GR_WIDTH]);
+				DrawScreenPixel(j, i, paint.fb[j + i * sys_framebuffer_width]);
 
 		// draw the color strings on screen
 		DrawScreenStr(0, 0 * FONT_HEIGHT, str_r);

src/Home/Net/Protocols/TCP/TCP.HH

@@ -2,15 +2,28 @@
 
 #define TCP_SRTT_ALPHA	0.9
 
+// Transmission Time Out to prevent network slugglish performance
 #define TCP_RTO_BETA	2
-#define TCP_RTO_MIN		0.2
+#define TCP_RTO_MIN		JIFFY_FREQ/5 // (linux TCP.H) should be using system timer/clock instead hardcoded
-#define TCP_RTO_MAX		10
+#define TCP_RTO_MAX		120*JIFFY_FREQ // JIFFY_FREZ = Hz. Hz is software clock ticks
 
-#define TCP_WINDOW_SIZE	8192
+#define TCP_MAX_WINDOW	32676	// Beyond this number, use window_scale(not implemented). 8192 is recommended/default.
+U16 WINDOW_SIZE; 		// Initiate window size in CTPCPacketAllocate{} ?? Need more study
+U16 RECEIVE_WINDOW; 		// gets host window size. It is not static.
+U16 SEND_WINDOW; 		// gets receive window size from host, then adjust accordingly.
+
+U32 RECEIVE_BUFFER; 		// is 32 too much? receive_buffer holds TCP data that has not yet been processed
 
 #define TCP_MSS			536 // Max Segment Size default
+#define TCP_MIN_MSS		88  // Min Segment Size
 
-#define TCP_TIMEOUT		5000
+#define TCP_INIT_TIMEOUT	1*JIFFY_FREQ  // TODO... Init RTO Value. Not sure if this is needed.
+#define TCP_TIMEOUT		20*JIFFY_FREQ // Roughly a minute based on software clock
+#define TCP_KEEPALIVE		120*JIFFY_FREQ // TODO... 1 hour
+
+#define TCP_MAX_INCREASEACK	16 //TODO... At Initial start up, it's generally slow. This accelerates the process.
+#define TCP_MAX_DELAYACK	JIFFY_FREQ/5 //TODO... Delay max time ack
+#define TCP_MIN_DELAYACK	JIFFY_FREQ/25 //TODO... Delay min time ack
 
 #define TCP_STATE_CLOSED		0
 #define TCP_STATE_LISTEN		1
@@ -24,7 +37,7 @@
 #define TCP_STATE_LAST_ACK		9
 #define TCP_STATE_TIME_WAIT		10
 
-// TCP header flags. Test with Bt(), e.g. Bt(&flags, TCPf_RST)
+// TCP header flags. Order of Operation matters. Test with Bt(), e.g. Bt(&flags, TCPf_RST)
 #define TCPf_FIN	0
 #define TCPf_SYN	1
 #define TCPf_RST	2
@@ -39,6 +52,8 @@
 #define TCPF_ACK	(1 << TCPf_ACK)
 //#define TCPF_URG	(1 << TCPf_URG) // most stacks don't implement URGENT.
 
+// U32 TCP_MAX_DELAYACK(CSocket *Socket); // TODO 
+
 
 class CTCPAckQueue:CQueue
 {

src/Home/Net/Protocols/TCP/TCP.ZC

@@ -101,7 +101,7 @@ I64 TCPPacketAllocate(U8 **frame_out,
 	header->ack_num				= EndianU32(ack_num);
 	header->data_offset			= (sizeof(CTCPHeader) / 4) << 4; // ???
 	header->flags				= flags;
-	header->window_size			= EndianU16(TCP_WINDOW_SIZE / 2);// TODO: What is window size supposed to be ?
+	header->window_size			= EndianU16(WINDOW_SIZE);// Window Size allocation data. Adjusted based on receive window. 
 	header->checksum			= 0;
 	header->urgent_pointer		= 0;
 
@@ -647,8 +647,8 @@ CTCPSocket TCPSocket(U16 domain=AF_UNSPEC)
 	QueueInit(accept_queue); // init pending connection queue
 	tcp_socket->accept_queue = accept_queue;
 
-	tcp_socket->receive_buffer_size = TCP_WINDOW_SIZE;
+	tcp_socket->receive_buffer_size = RECEIVE_BUFFER;
-	tcp_socket->receive_buffer = CAlloc(TCP_WINDOW_SIZE);
+	tcp_socket->receive_buffer = CAlloc(RECEIVE_BUFFER);
 
 	tcp_socket->max_segment_size = TCP_MSS;
 
@@ -1057,7 +1057,7 @@ I64 TCPSocketConnect(CTCPSocket *tcp_socket, CSocketAddressStorage *address)
 	}
 
 	tcp_socket->connection_time = tS;
-	tcp_socket->receive_window	= TCP_WINDOW_SIZE;
+	tcp_socket->receive_window	= RECEIVE_WINDOW;
 
 	tcp_socket->state = TCP_STATE_SYN_SENT;
 	TCPSendFlags(tcp_socket, TCPF_SYN);
@@ -1165,7 +1165,7 @@ CTCPSocket *TCPSocketAccept(CTCPSocket *tcp_socket)
 
 	new_socket->next_recv_seq_num	= ++pending->segment_seq_num;
 	new_socket->connection_time		= tS;
-	new_socket->receive_window		= TCP_WINDOW_SIZE;
+	new_socket->receive_window		= RECEIVE_WINDOW;
 	new_socket->timeout				= tcp_socket->timeout;
 
 	temp_addr = &tcp_socket->source_address;

src/Home/Net/Utilities/Net.HH

@@ -8,9 +8,11 @@
 #define FCS_LENGTH					4
 
 /*	Ethernet Frame Size.
-	Linux uses 1544, OSDev and Shrine use 1548. Based on IEEE 802.3as, max frame size was agreed upon as 2000 bytes. */
+	Based on IEEE 802.3 layer 1 Ethernet Max Frame is 1542 according to wiki. 72-1530 frame octet + 12 IPG octet
-#define ETHERNET_FRAME_SIZE	2000
+	Default: 1538 | Vlan: 1542 | Jumbo: 9038 | JumboVlan: 9042 */
+#define ETHERNET_FRAME_SIZE     1542
   
+// Max PayLoad standard: 1500 | Jumbo: 9000 for Gignet (fiber)
 #define ETHERNET_v2_MTU 1500
 
 #define HTYPE_ETHERNET	1

src/Kernel/Display.ZC

@@ -60,17 +60,17 @@ See also $LK,"GrUpdateScreen",A="MN:GrUpdateScreen"$().
 		{//Scroll screen down
 
 			MemCopy(text.fb_alias,
-					text.fb_alias		+ sys_framebuffer_width * FONT_HEIGHT,
+					text.fb_alias		+ sys_framebuffer_pidth * FONT_HEIGHT,
-					(text.screen_size	- sys_framebuffer_width * FONT_HEIGHT) * sizeof(U32));
+					(text.screen_size	- sys_framebuffer_pidth * FONT_HEIGHT) * sizeof(U32));
 
-			MemSetU32(text.fb_alias + text.screen_size - sys_framebuffer_width * FONT_HEIGHT, BLACK32, sys_framebuffer_width * FONT_HEIGHT);
+			MemSetU32(text.fb_alias + text.screen_size - sys_framebuffer_pidth * FONT_HEIGHT, BLACK32, sys_framebuffer_pidth * FONT_HEIGHT);
 			text.raw_col -= text.cols ;
 			row = text.rows - 1;
 		}
 		x = col * FONT_WIDTH;
 		y = row * FONT_HEIGHT;
 		ch_bitmap = text.font[ch & 0xFF];
-		framebuffer = text.fb_alias + sys_framebuffer_width * y + x;
+		framebuffer = text.fb_alias + sys_framebuffer_pidth * y + x;
 
 		PUSHFD
 		CLI
@@ -81,7 +81,7 @@ See also $LK,"GrUpdateScreen",A="MN:GrUpdateScreen"$().
 			else
 				*framebuffer++ = BLACK32;
 			if (i & (FONT_WIDTH - 1) == FONT_WIDTH - 1)
-				framebuffer += sys_framebuffer_width - FONT_WIDTH;
+				framebuffer += sys_framebuffer_pidth - FONT_WIDTH;
 			ch_bitmap >>= 1;
 		}
 		POPFD

src/Kernel/KGlobals.ZC

@@ -14,7 +14,7 @@ U8		*rev_bits_table; //Table with U8 bits reversed
 CDate	 local_time_offset;
 F64		*pow10_I64,
 		 sys_os_version = 2.03;
-U64		 sys_os_version_sub = 118;
+U64		 sys_os_version_sub = 119;
 U8		*sys_os_version_str;
 U8		*sys_os_version_full;
 U8		*sys_os_version_nice;

src/Kernel/KMain.ZC

@@ -91,7 +91,8 @@ U0 SysGrInit()
 	text.cols = sys_framebuffer_width  / FONT_WIDTH;
 	text.rows = sys_framebuffer_height / FONT_HEIGHT;
 
-	text.screen_size	= sys_framebuffer_width * sys_framebuffer_height;
+	sys_framebuffer_pidth = sys_framebuffer_pitch / (sys_framebuffer_bpp / 8);
+	text.screen_size	= sys_framebuffer_pidth * sys_framebuffer_height;
 	text.buffer_size	= text.screen_size * 4; //buffer for 32-bit, but only 16 colors now.
 	text.raw_screen		= CAlloc(text.buffer_size);
 	text.fb_alias		= sys_framebuffer_addr;

src/Kernel/KernelA.HH

@@ -1272,7 +1272,7 @@ public class CDocBin
 #assert !($$ & 7)
 };
 
-#define DOC_SCROLL_SPEED	8
+#define DOC_SCROLL_SPEED	6
 
 #define DOCSS_NORMAL			0
 #define DOCSS_SINGLE_QUOTE		1

src/Kernel/KernelB.HH

@@ -249,7 +249,7 @@ public _extern SYS_FRAMEBUFFER_WIDTH	U64	sys_framebuffer_width;
 public _extern SYS_FRAMEBUFFER_HEIGHT	U64	sys_framebuffer_height;
 public _extern SYS_FRAMEBUFFER_PITCH	U64	sys_framebuffer_pitch;
 public _extern SYS_FRAMEBUFFER_BPP		U8	sys_framebuffer_bpp;
-
+public									U64	sys_framebuffer_pidth;
 _extern SYS_FRAMEBUFFER_LIST CVideoInfo sys_framebuffer_list[VBE_MODES_NUM];
 
 #help_index "Processor/SMBIOS"

src/System/Gr/GrDC.ZC

@@ -214,7 +214,8 @@ public CDC *DCNew(I64 width, I64 height, CTask *task=NULL, Bool null_bitmap=FALS
 	res->win_task		= task;
 	res->mem_task		= task;
 	res->width			= width;
-	res->width_internal	= (width + 7) & ~7;
+//	res->width_internal	= (width + 7) & ~7;
+	res->width_internal	= width & ~7;
 	res->height			= height;
 	if (null_bitmap)
 		res->flags |= DCF_DONT_DRAW;

src/System/Gr/GrGlobals.ZC

@@ -47,7 +47,7 @@ public CBGR24 gr_palette[COLORS_NUM];
 //See $LK,"SysGrInit",A="MN:SysGrInit"$()
 //Allows consts to be used instead of variables.
 HashPublic("GR_WIDTH", HTT_DEFINE_STR);;
-DefinePrint("GR_WIDTH", "%d", sys_framebuffer_width);
+DefinePrint("GR_WIDTH", "%d", sys_framebuffer_width & ~7);
 HashPublic("GR_HEIGHT", HTT_DEFINE_STR);;
 DefinePrint("GR_HEIGHT", "%d", sys_framebuffer_height);
 
@@ -56,3 +56,5 @@ DefinePrint("TEXT_ROWS", "%d", text.rows);;
 HashPublic("TEXT_ROWS", HTT_DEFINE_STR);;
 DefinePrint("TEXT_COLS", "%d", text.cols);;
 HashPublic("TEXT_COLS", HTT_DEFINE_STR);;
+
+sys_framebuffer_pidth = sys_framebuffer_pitch / (sys_framebuffer_bpp / 8);

src/System/Gr/GrScreen.ZC

@@ -142,8 +142,8 @@ public U0 GrScaleZoom(F64 scale)
 	mouse.offset.x = mouse.pos.x - (mouse.pos.x - mouse.offset.x) * s;
 	mouse.offset.y = mouse.pos.y - (mouse.pos.y - mouse.offset.y) * s;
 	mouse.offset.z = mouse.pos.z - (mouse.pos.z - mouse.offset.z) * s;
-	gr.sx = mouse.pos.x - gr.zoomed_dc->width  >> 1 / gr.screen_zoom;
+	gr.sx = mouse.pos.x - GR_WIDTH  >> 1 / gr.screen_zoom;
-	gr.sy = mouse.pos.y - gr.zoomed_dc->height >> 1 / gr.screen_zoom;
+	gr.sy = mouse.pos.y - GR_HEIGHT >> 1 / gr.screen_zoom;
 	GrFixZoomScale;
 }
 
@@ -154,7 +154,7 @@ U0 GrZoomInScreen()
 
 	GrFixZoomScale;
 
-	src = gr.dc2->body + gr.sx + gr.sy * gr.dc2->width_internal;
+	src = gr.dc2->body + gr.sx + gr.sy * GR_WIDTH;
 	dst = gr.zoomed_dc->body;
 
 	for (i = 0; i < GR_HEIGHT / gr.screen_zoom; i++)
@@ -359,42 +359,53 @@ U0 DCBlotColor8(CDC *dc, CDC *img)
 
 U0 GrCalcScreenUpdates()
 {
-	U16 *screen, *last_screen = gr.screen_cache;
+	U8 *screen, reg RCX *last_screen = gr.screen_cache;
-	U64 i, *src = text.raw_screen, *dst = text.fb_alias, diffs_size = GR_WIDTH * GR_HEIGHT / 2;
+	U32 *src = text.raw_screen, *dst = text.fb_alias;
+	U64 i, j, x, y, yi;
 
 	if (gr.screen_zoom == 1)
 		screen = gr.dc2->body;
 	else
 		screen = gr.zoomed_dc->body;
 
-	for (i = 0; i < diffs_size; i++)
+	for (y = yi = 0; y < GR_HEIGHT; yi = ++y * GR_WIDTH)
 	{
-		if (screen[i] != last_screen[i])
+		for (x = 0; x < GR_WIDTH; x++)
-			dst[i] = src[i];
+		{
+			i = x + yi;
+			j = x + y * sys_framebuffer_pidth;
+			if (screen[i] != last_screen[i])
+			{
+				dst = text.fb_alias + j;
+				src = text.raw_screen + j;
+				*dst = *src;
+			}
+		}
 	}
-	MemCopy(gr.screen_cache, screen, diffs_size * 2);
+	MemCopy(gr.screen_cache, screen, GR_WIDTH * GR_HEIGHT);
 }
 
 U0 GrUpdateScreen32()
 {
-	U64 size, *dst;
+	U64 x, y, j, i;
+	U32 *dst;
 	U8 *src;
 
 	if (gr.screen_zoom == 1)
-	{
 		src = gr.dc2->body;
-		size = src + gr.dc2->height * gr.dc2->width_internal;
-	}
 	else
 	{
 		GrZoomInScreen;
 		src = gr.zoomed_dc->body;
-		size = src + gr.zoomed_dc->height * gr.zoomed_dc->width_internal;
 	}
-	dst = text.raw_screen;
+	for (y = j = i = 0; y < GR_HEIGHT; j = ++y * sys_framebuffer_pidth, i = y * GR_WIDTH)
-	while (src < size) //draw 2 pixels at a time
+	{
-		*dst++ = gr_palette[*src++ & 0xFF] | gr_palette[*src++ & 0xFF] << 32;
+		for (x = 0; x < GR_WIDTH; x++)
-
+		{
+			dst = text.raw_screen + x + j;
+			*dst = gr_palette[src[x + i] & 0xFF];
+		}
+	}
 
 	GrCalcScreenUpdates;
 
@@ -420,6 +431,6 @@ U0 GrUpdateScreen()
 		(*gr.fp_final_screen_update)(dc);
 	DCDel(dc);
 
-	DCBlotColor4(gr.dc1->body, gr.dc2->body, gr.dc_cache->body, gr.dc2->height * gr.dc2->width_internal >> 3);
+	DCBlotColor4(gr.dc1->body, gr.dc2->body, gr.dc_cache->body, GR_HEIGHT * GR_WIDTH >> 3);
 	GrUpdateScreen32;
 }