Start of implementation for the console. dprintf() now uses one of the console handles for simplicity.

It crashes for now though, seems we have a stack alignment issue or maybe mangled registers. Or maybe it's due to non-static initializers not being done.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@39053 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/system/boot/platform/amiga_m68k/console.cpp

@@ -15,10 +15,77 @@
 #include "console.h"
 #include "keyboard.h"
 
+class ConsoleHandle : public CharHandle {
+	public:
+		ConsoleHandle();
 
-FILE *stdin, *stdout, *stderr;
+		virtual ssize_t ReadAt(void *cookie, off_t pos, void *buffer,
+			size_t bufferSize);
+		virtual ssize_t WriteAt(void *cookie, off_t pos, const void *buffer,
+			size_t bufferSize);
+	private:
+		static int16	fX;
+		static int16	fY;
+		uint16	fPen;
+};
 
 
+static Screen *sScreen;
+static int16 sFontWidth, sFontHeight;
+int16 ConsoleHandle::fX = 0;
+int16 ConsoleHandle::fY = 0;
+
+FILE *stdin, *stdout, *stderr, *dbgerr;
+
+
+//	#pragma mark -
+
+ConsoleHandle::ConsoleHandle()
+	: CharHandle()
+{
+}
+
+
+ssize_t
+ConsoleHandle::ReadAt(void */*cookie*/, off_t /*pos*/, void *buffer,
+	size_t bufferSize)
+{
+	// don't seek in character devices
+	// not implemented (and not yet? needed)
+	return B_ERROR;
+}
+
+
+ssize_t
+ConsoleHandle::WriteAt(void */*cookie*/, off_t /*pos*/, const void *buffer,
+	size_t bufferSize)
+{
+	const char *string = (const char *)buffer;
+	size_t i, len;
+
+	// be nice to our audience and replace single "\n" with "\r\n"
+
+	for (i = 0, len = 0; i < bufferSize; i++, len++) {
+		if (string[i] == '\0')
+			break;
+		if (string[i] == '\n') {
+			//Text(&sScreen->RastPort, &string[i - len], len);
+			fY = 0;
+			fX++;
+			len = 0;
+			continue;
+		}
+		Text(&sScreen->RastPort, &string[i], 1);
+	}
+
+	// not exactly, but we don't care...
+	return bufferSize;
+}
+
+static ConsoleHandle sOutput;
+static ConsoleHandle sErrorOutput;
+static ConsoleHandle sDebugOutput;
+
 
 //	#pragma mark -
 
@@ -26,7 +93,64 @@ FILE *stdin, *stdout, *stderr;
 status_t
 console_init(void)
 {
+	
+	GRAPHICS_BASE_NAME = (GfxBase *)OldOpenLibrary(GRAPHICSNAME);
+	if (GRAPHICS_BASE_NAME == NULL)
+		panic("Cannot open %s", GRAPHICSNAME);
+	
+	static NewScreen newScreen = {
+		0, 0,
+		640, -1,
+		2,
+		0, 1,
+		0x8000,
+		0x1,
+		NULL,
+		"Haiku Loader",
+		NULL,
+		NULL
+	};
+	
+	sScreen = OpenScreen(&newScreen);
+	if (sScreen == NULL)
+		panic("OpenScreen()\n");
+	
+	static const uint16 palette[] = {0xbb9, 0x0, 0xfff, 0x0f0};
+	LoadRGB4(&sScreen->ViewPort, palette, 4);
+	
+	SetDrMd(&sScreen->RastPort, 0);
+	// seems not necessary, there is a default font already set.
+	/*
+	TextAttr attrs = { "Topaz", 8, 0, 0};
+	TextFont *font = OpenFont(&attrs);
+	*/
+	TextFont *font = OpenFont(sScreen->Font);
+	if (font == NULL)
+		panic("OpenFont()\n");
+	sFontHeight = sScreen->Font->ta_YSize;
+	sFontWidth = font->tf_XSize;
+	
+	
+	ClearScreen(&sScreen->RastPort);
+	
+	//CloseScreen(sScreen);
+
 	//TODO
+	
+	dbgerr = stdout = stderr = (FILE *)&sOutput;
+
+//XXX: testing
+	Move(&sScreen->RastPort, 30, 30);
+	Text(&sScreen->RastPort, "kikou", 5);
+	
+// those crash for the moment. Stack alignment issue ?
+//	sOutput.WriteAt(NULL, 0LL, "abcdefgh", 10);
+//	dprintf("kk\nbb\n");
+
+//XXX
+	while (true) {}
+
+	//panic("console_init done\n");
 
 	return B_OK;
 }
@@ -38,7 +162,7 @@ console_init(void)
 void
 console_clear_screen(void)
 {
-	//TODO
+	ClearScreen(&sScreen->RastPort);
 }
 
 
@@ -61,7 +185,8 @@ console_height(void)
 void
 console_set_cursor(int32 x, int32 y)
 {
-	//TODO
+	Move(&sScreen->RastPort, sFontWidth * x, sFontHeight * y);
+	
 }
 
 

src/system/boot/platform/amiga_m68k/debug.cpp

@@ -6,6 +6,9 @@
 
 #include "keyboard.h"
 #include "rom_calls.h"
+#include "Handle.h"
+#include "console.h"
+#include "keyboard.h"
 
 #include <boot/platform.h>
 #include <boot/stdio.h>
@@ -14,6 +17,8 @@
 
 #include <Errors.h>
 
+extern FILE *dbgerr;
+
 /*!	This works only after console_init() was called.
 */
 void
@@ -60,38 +65,17 @@ panic(const char *format, ...)
 void
 dprintf(const char *format, ...)
 {
-	static struct AlertMessage {
+	char buffer[512];
-		uint16	column1;
-		uint8	line1;
-		char	message[14];
-		uint8	cont;
-		uint16	column2;
-		uint8	line2;
-		char	buffer[512];
-		uint8	end;
-		
-	} _PACKED alert = {
-		10, 12,
-		"KERN: ",
-		1,
-		10, 22,
-		"",
-		0
-	};
-
-	char *buffer = alert.buffer;
 	va_list list;
 
 	//platform_switch_to_text_mode();
 
-	memset(buffer, 0, 512);
-
 	va_start(list, format);
-	vsnprintf(buffer, 512, format, list);
+	if (dbgerr)
+		vfprintf(dbgerr, format, list);
+	//vsnprintf(buffer, sizeof(buffer), format, list);
 	va_end(list);
-
+	
-	DisplayAlert(RECOVERY_ALERT, &alert, 40);
-
 	//if (platform_boot_options() & BOOT_OPTION_DEBUG_OUTPUT)
 	//	Bconput(DEV_CONSOLE, buffer);
 }