Updating to Squeak v3.4-1 VM with Squeak v3.2 image.

Makefile

@@ -37,7 +37,7 @@ ASOPT=--warn -mcpu=arm1176jzf-s
 # available
 CCOPT=-O6 -ffreestanding -marm -mcpu=arm1176jzf-s -std=c99 -fpack-struct -Wno-packed-bitfield-compat
 
-CFLAGS=-DSQ_CONFIG_DONE=1 -DNO_ISNAN=1 -fshort-wchar -DTYPE_LOWLEVEL -DTARGET_RPI -DLIB_HUB -DLIB_HID -DLIB_KBD -DFINAL -Iusb -Isqueak -Ibcm2835 -Ilib
+CFLAGS=-DSQ_CONFIG_DONE=1 -DSQUEAK_BUILTIN_PLUGIN=1 -DNO_ISNAN=1 -fshort-wchar -DTYPE_LOWLEVEL -DTARGET_RPI -DLIB_HUB -DLIB_HID -DLIB_KBD -DFINAL -Iusb -Isqueak -Ibcm2835 -Ilib
 
 BUILDDIR=build
 

bcm2835/config.h

@@ -0,0 +1,66 @@
+/* config.h.  Generated automatically by configure.  */
+/* config.h.in -- template for config.h			-*- C -*-
+ *
+ *   Copyright (C) 1996-2002 Ian Piumarta and other authors/contributors
+ *     as listed elsewhere in this file.
+ *   All rights reserved.
+ *
+ *   This file is part of Unix Squeak.
+ *
+ *   This file is distributed in the hope that it will be useful, but WITHOUT
+ *   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ *   FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ *   You may use and/or distribute this file ONLY as part of Squeak, under
+ *   the terms of the Squeak License as described in `LICENSE' in the base of
+ *   this distribution, subject to the following restrictions:
+ *
+ *   1. The origin of this software must not be misrepresented; you must not
+ *      claim that you wrote the original software.  If you use this software
+ *      in a product, an acknowledgment to the original author(s) (and any
+ *      other contributors mentioned herein) in the product documentation
+ *      would be appreciated but is not required.
+ *
+ *   2. This notice must not be removed or altered in any source distribution.
+ *
+ *   Using (or modifying this file for use) in any context other than Squeak
+ *   changes these copyright conditions.  Read the file `COPYING' in the
+ *   directory `platforms/unix/doc' before proceeding with any such use.
+ *
+ *   You are not allowed to distribute a modified version of this file
+ *   under its original name without explicit permission to do so.  If
+ *   you change it, rename it.
+ */
+
+/* Author: Ian.Piumarta@INRIA.Fr
+ *
+ * Last edited: 2002-11-30 16:00:59 by piumarta on calvin.inria.fr
+ */
+
+/* typedefs */
+
+/* #undef	size_t */
+/* #undef	socklen_t */
+
+#define	squeakInt64 long long
+
+/* architecture */
+
+#define	OS_TYPE "unix"
+
+#define	VM_HOST "armv6l-none-eabi"
+#define	VM_HOST_CPU "armv6l"
+/* #undef	VM_HOST_VENDOR */
+#define	VM_HOST_OS "none-eabi"
+
+#undef	WORDS_BIGENDIAN 
+#undef	DOUBLE_WORD_ALIGNMENT 
+#define	DOUBLE_WORD_ORDER 1
+
+/* other configured variables */
+
+#define SQ_VERSION "3.4-5170"
+#define VM_VERSION "3.4-1"
+#define VM_LIBDIR "/usr/local/lib/squeak/3.4-1"
+#define VM_MODULE_PREFIX ""
+/* #undef VM_DLSYM_PREFIX */

bcm2835/sqPlatformSpecific.h

@@ -8,6 +8,9 @@
 #undef sqImageFileWrite
 #undef sqAllocateMemory
 
+#undef ioMSecs
+#undef ioLowResMSecs
+#undef ioMicroMSecs
 
 typedef struct _rpiImageFile {
 	unsigned char *base;
@@ -16,6 +19,7 @@ typedef struct _rpiImageFile {
 } rpiImageFile;
 
 #define sqImageFile rpiImageFile *
+#define squeakFileOffsetType unsigned int
 
 void        sqImageFileClose(sqImageFile f);
 sqImageFile sqImageFileOpen(char *fileName, char *mode);
@@ -25,8 +29,4 @@ void        sqImageFileSeek(sqImageFile f, int pos);
 int         sqImageFileWrite(void *ptr, int elementSize, int count, sqImageFile f);
 void *      sqAllocateMemory(int minHeapSize, int desiredHeapSize);
 
-#undef ioMSecs
-#undef ioLowResMSecs
-#undef ioMicroMSecs
-
 #define ScreenDepth       32

bcm2835/sqRpiDisplay.c

@@ -1,4 +1,6 @@
 #include "sq.h"
+#include "sqRpiDisplay.h"
+
 #include "framebuffer.h"
 #include "types.h"
 #include "barrier.h"
@@ -123,8 +125,11 @@ int ioSetFullScreen(int fullScreen) {
 	return 0;
 }
 
+int ioScreenDepth(void) {
+	return ScreenDepth;
+}
+
 int ioHasDisplayDepth(int depth) {
-	printf("%s depth=%i\n", __PRETTY_FUNCTION__, depth);
 	if (depth == ScreenDepth) {
 		return true;
 	}

bcm2835/sqRpiDisplay.h

@@ -0,0 +1,6 @@
+#ifndef __RPI_DISPLAY
+#define __RPI_DISPLAY
+
+void moveCursor(int x, int y);
+
+#endif

bcm2835/sqRpiHid.c

@@ -1,4 +1,6 @@
 #include "sq.h"
+#include "sqRpiDisplay.h"
+
 #include "keyboard.h"
 #include "mouse.h"
 #include "timer.h" // watchdog
@@ -16,6 +18,18 @@ extern int interruptCheckCounter;
 extern int interruptKeycode;
 extern int interruptPending;  /* set to true by RecordKeystroke if interrupt key is pressed */
 
+/*** Variables -- Event Recording ***/
+#define MillisecondClockMask 536870911
+#define MAX_EVENT_BUFFER 64
+static sqInputEvent eventBuffer[MAX_EVENT_BUFFER];
+static int eventBufferGet = 0;
+static int eventBufferPut = 0;
+
+static char lastKeys[255];
+static int lastMouseX = 0;
+static int lastMouseY = 0;
+static int lastMouseButton = 0;
+
 void RecordKeystroke(unsigned char key, struct KeyboardModifiers modifiers) {
 	int keystate;
 
@@ -33,7 +47,7 @@ void RecordKeystroke(unsigned char key, struct KeyboardModifiers modifiers) {
 	if (modifiers.LeftGui || modifiers.RightGui) {
 		keyModifier = 1 << 11;
 	}
-	keystate = (keyModifier) | (key & 0xff);
+	keystate = (keyModifier << 8) | (key & 0xff);
 
 	if (keystate == interruptKeycode) {
 	/* Note: interrupt key is "meta"; it not reported as a keystroke */
@@ -76,6 +90,143 @@ int ioPeekKeystroke(void) {
 	return ioGetKeystrokeAndAdvance(false);
 }
 
+sqInputEvent *nextEventPut(void) {
+	sqInputEvent *evt;
+	evt = eventBuffer + eventBufferPut;
+	eventBufferPut = (eventBufferPut + 1) % MAX_EVENT_BUFFER;
+	if (eventBufferGet == eventBufferPut) {
+		/* buffer overflow; drop the last event */
+		eventBufferGet = (eventBufferGet + 1) % MAX_EVENT_BUFFER;
+	}
+	return evt;
+}
+
+void rpiProcessMouseEvents(void) {
+	int mouseCount = MouseCount();
+	if (mouseCount == 0) {
+		return;
+	}
+
+	uint32_t mouse = MouseGetAddress(0);
+	int position = MouseGetPosition(mouse);
+	int posX = (position >> 16) & 0xffff;
+	int posY = position & 0xffff;
+
+	int mouseButtons = MouseGetButtons(mouse);
+	int buttonState = 0;
+	if (mouseButtons & 0x01) {
+		buttonState |= RedButtonBit;
+	}
+	if (mouseButtons & 0x02) {
+		buttonState |= BlueButtonBit;
+	}
+	if (mouseButtons & 0x04) {
+		buttonState |= YellowButtonBit;
+	}
+
+	if (posX != lastMouseX || posY != lastMouseY || buttonState != lastMouseButton) {
+		lastMouseX = posX;
+		lastMouseY = posY;
+		lastMouseButton = buttonState;
+		moveCursor(lastMouseX, lastMouseY);
+
+		sqMouseEvent *event = (sqMouseEvent*) nextEventPut();
+
+		/* first the basics */
+		event->type = EventTypeMouse;
+		event->timeStamp = ioMSecs() & MillisecondClockMask; 
+		event->x = lastMouseX;
+		event->y = lastMouseY;
+		/* then the buttons */
+		event->buttons = lastMouseButton & 0x07;
+		/* then the modifiers */
+		event->modifiers = 0; //buttonState >> 3;
+		/* clean up reserved */
+		event->reserved1 = 0;
+	}
+}
+
+void rpiRegisterKeyboardEvent(int keyCode, int pressCode, int modifiers) {
+	sqKeyboardEvent *evt = (sqKeyboardEvent*) nextEventPut();
+	/* first the basics */
+	evt->type = EventTypeKeyboard;
+	evt->timeStamp = ioMSecs() & MillisecondClockMask;
+	/* now the key code */
+	/* press code must differentiate */
+	evt->charCode = keyCode;
+	evt->pressCode = pressCode;
+	evt->modifiers = modifiers;
+
+	evt->reserved1=evt->reserved2=evt->reserved3= 0;
+}
+
+void rpiProcessKeyboardEvents(void) {
+	int keyboardCount = KeyboardCount();
+	if (keyboardCount == 0) {
+		return;
+	}
+
+	uint32_t keyboard = KeyboardGetAddress(0);
+	int keysDown = KeyboardGetKeyDownCount(keyboard);
+
+	struct KeyboardModifiers keyModifiers = KeyboardGetModifiers(keyboard);
+	int modifiers = 0;
+	if (keyModifiers.LeftControl || keyModifiers.RightControl) {
+		modifiers |= CtrlKeyBit;
+	}
+	if (keyModifiers.LeftShift || keyModifiers.RightShift) {
+		modifiers |= ShiftKeyBit;
+	}
+	if (keyModifiers.LeftAlt || keyModifiers.RightAlt) {
+		modifiers |= OptionKeyBit;
+	}
+	if (keyModifiers.LeftGui || keyModifiers.RightGui) {
+		modifiers |= CommandKeyBit;
+	}
+
+	char theseKeys[keysDown];
+
+	for (int i=0; i<keysDown; i++) {
+		int keyCode = KeyboardGetKeyDown(keyboard, i);
+		unsigned char key = (keyModifiers.LeftShift || keyModifiers.RightShift ? KeysShift[keyCode] : KeysNormal[keyCode]);
+		theseKeys[i] = key;
+
+		if (lastKeys[key] == 0) {
+			lastKeys[key] = 1;
+			rpiRegisterKeyboardEvent(key, EventKeyDown, modifiers);
+			rpiRegisterKeyboardEvent(key, EventKeyChar, modifiers);
+		}
+	}	
+
+	for (int i=0; i<255; i++) {
+		if (lastKeys[i] != 0) {
+			bool matched = false;
+			for (int j=0; j<keysDown; j++) {
+				if (theseKeys[j] == i) {
+					matched = true;
+				}
+			}
+
+			if (matched == false) {
+				lastKeys[i] = 0;
+				rpiRegisterKeyboardEvent(i, EventKeyUp, modifiers);
+			}
+		}
+	}
+}
+
+int ioGetNextEvent(sqInputEvent *evt) {
+	ioProcessEvents();
+	rpiProcessMouseEvents();
+	rpiProcessKeyboardEvents();
+
+	if (eventBufferGet == eventBufferPut) {
+		return false;
+	}
+	*evt = eventBuffer[eventBufferGet];
+	eventBufferGet = (eventBufferGet+1) % MAX_EVENT_BUFFER;
+	return true;
+}
 
 int ioProcessEvents(void) {
 	//printf("%s\n", __PRETTY_FUNCTION__);
@@ -109,8 +260,6 @@ int ioProcessEvents(void) {
 	for (int mouseIndex=0; mouseIndex<mouseCount; mouseIndex++) {
 		uint32_t mouse = MouseGetAddress(mouseIndex);
 		MousePoll(mouse);
-		//int position = MouseGetPosition(mouse);
-		//printf("mouse: x=%i, y=%i\n", ((position>>16)&0xffff), (position&0xffff));
 	}
 
 	watchdog_reset();

bcm2835/sqRpiMinimal.c

@@ -26,13 +26,6 @@ int ioExit(void) {
 	while(1) __asm__("nop");
 }
 
-
-/*** Directory ***/
-
-int dir_Delimitor(void) {
-	return '/';
-}
-
 /*** System Attributes ***/
 extern char vmPath[];
 extern char shortImageName[];