make things work

boot-programs/buzzer.ccp

@@ -121,15 +121,14 @@ Kernel::Num start ():
 						Kernel::free_cap (reply)
 						break
 					case Buzzer::STOP:
-						kdebug ("stop\n")
 						buzzer.stop ()
 						Kernel::recv.reply.invoke ()
 						break
 					default:
-						kdebug ("other\n")
+						kdebug ("Buzzer: other\n")
 						break
 				break
 			default:
-				kdebug ("unknown num: ")
+				kdebug ("Buzzer: unknown num: ")
 				kdebug_num (Kernel::recv.protected_data.h)
 				kdebug ("\n")

boot-programs/init.ccp

@@ -20,7 +20,7 @@
 #include "iris.hh"
 
 static Keyboard sysreq
-static Device kbd_dev, buz_dev, backlight_dev
+static Device kbd_dev, buz_dev, backlight_dev, rootfs_dev
 static unsigned slot
 
 // Event types.
@@ -29,12 +29,12 @@ enum type:
 	KBDDEV
 	BUZDEV
 	BACKLIGHTDEV
+	ROOTFSDEV
 
 static void user_reply (Kernel::Cap target, unsigned dev):
 	switch dev:
 		case Keyboard::ID:
 			// keyboard user
-			kdebug ("keyboard requested\n")
 			Kernel::Cap kbd = kbd_dev.create_user (Kernel::Cap ())
 			kbd_dev.use (kbd)
 			target.invoke (0, 0, kbd.copy ())
@@ -42,12 +42,8 @@ static void user_reply (Kernel::Cap target, unsigned dev):
 			break
 		case Buzzer::ID:
 			// buzzer user
-			kdebug ("buzzer requested\n")
 			Kernel::Cap buzzer = buz_dev.create_user (Kernel::Cap ())
 			buz_dev.use (buzzer)
-			kdebug ("invoking reply: ")
-			kdebug_num (target.code)
-			kdebug ("\n")
 			target.invoke (0, 0, buzzer.copy ())
 			Kernel::free_cap (buzzer)
 			break
@@ -98,8 +94,16 @@ static void setup ():
 						reply.invoke ()
 						Kernel::free_cap (reply)
 						break
+					case Directory::ID:
+						caps.set (ROOTFSDEV, arg.copy ())
+						rootfs_dev = Kernel::Cap (slot, ROOTFSDEV)
+						reply.invoke ()
+						Kernel::free_cap (reply)
+						break
 					default:
-						kdebug ("unexpected device\n")
+						kdebug ("unexpected device: ")
+						kdebug_num (Kernel::recv.data[1].l)
+						kdebug_char ('\n')
 						break
 				break
 			case Parent::GET_DEVICE:
@@ -113,24 +117,20 @@ static void setup ():
 				Kernel::free_cap (arg)
 				continue
 		Kernel::free_cap (arg)
-		if ++state == 5:
+		if ++state == 6:
 			break
 	// sysreq
-	kdebug ("using sysreq\n")
 	Kernel::Cap cb = Kernel::my_receiver.create_capability (SYSREQ)
 	sysreq.set_cb (cb.copy ())
 	Kernel::free_cap (cb)
 	// First user reply.
-	kdebug ("sending first user reply\n")
 	user_reply (user, device)
 	Kernel::free_cap (user)
 
 Kernel::Num start ():
 	Kernel::schedule ()
 	setup ()
-	kdebug ("init set up\n")
 	// claim backlight
-	kdebug ("claiming backlight\n")
 	Setting backlight = backlight_dev.create_user (Kernel::Cap ())
 	backlight_dev.use (backlight)
 	while true:
@@ -138,12 +138,9 @@ Kernel::Num start ():
 		switch Kernel::recv.protected_data.value ():
 			case SYSREQ:
 				unsigned code = Kernel::recv.data[0].l
-				kdebug ("\n\nSystem request ")
 				if code & Keyboard::RELEASE:
-					kdebug ("released.\n\n")
 					backlight.set (~0)
 				else:
-					kdebug ("pressed.\n\n")
 					backlight.set (0)
 				break
 			default:

boot-programs/lcd.ccp

@@ -21,8 +21,7 @@
 #include "arch.hh"
 
 __asm__ volatile (".section .rodata\n.globl charset\ncharset:\n.incbin \"boot-programs/charset.data\"\n.section .text")
-// charset is really the first character in the array.  Its address is used as the start of the array.
+extern unsigned char const charset[127-32][8][6]
-extern unsigned char const charset[127-32][6]
 
 #define assert(x) do { if (!(x)) { kdebug ("assertion failed " #x); while (true) {} } } while (0)
 
@@ -195,14 +194,14 @@ static void reset ():
 	LCD_CTRL = (bpp << LCD_CTRL_BPP_BIT) | LCD_CTRL_BST_16 | LCD_CTRL_ENA
 	//lcd_enable_eof_intr ()
 
-static void putchar (unsigned x, unsigned y, unsigned ch, unsigned fg = 0xffff, unsigned bg = 0x0000):
+static void putchar (unsigned x, unsigned y, unsigned ch):
 	if ch < 32 || ch > 126:
 		ch = 127
 	ch -= 32
-	unsigned lookup[2] = { bg, fg }
 	for unsigned k = 0; k < 6; ++k:
 		for unsigned r = 0; r < 8; ++r:
-			LCD_FRAMEBUFFER_BASE[(y * 8 + r) * h + x * 6 + k] = lookup[charset[ch][k] & (1 << r) ? 1 : 0]
+			LCD_FRAMEBUFFER_BASE[(y * 8 + r) * h + x * 6 + k] = charset[ch][r][k] * 0x00010101
+
 
 static unsigned log_x = LOG_X_BASE, log_y = LOG_Y_BASE
 static void inc_logx ():
@@ -314,8 +313,9 @@ Kernel::Num start ():
 	unsigned backlight_user = 0
 	Kernel::Num current_backlight = 0
 	while true:
+		log_str ("Wachten...\n")
 		Kernel::wait ()
-		//log_msg ()
+		log_msg ()
 		switch Kernel::recv.protected_data.h:
 			case 0:
 				switch Kernel::recv.protected_data.l:

boot-programs/metronome.ccp

@@ -21,7 +21,6 @@
 
 Kernel::Num start ():
 	Kernel::schedule ()
-	kdebug ("metronome started\n")
 	Buzzer buzzer = Kernel::my_parent.get_device <Buzzer> ()
 	Keyboard kbd = Kernel::my_parent.get_device <Keyboard> ()
 	Kernel::Cap key = Kernel::my_receiver.create_capability (0)
@@ -68,5 +67,5 @@ Kernel::Num start ():
 						break
 				break
 			default:
-				kdebug ("huh?\n")
+				kdebug ("metronome: huh?\n")
 				break

boot-programs/nanonote-gpio.ccp

@@ -246,7 +246,6 @@ Kernel::Num start ():
 						// Keyboard device control request.
 						switch Kernel::recv.data[0].l:
 							case Device::CREATE_USER:
-								kdebug ("create\n")
 								Kernel::Cap reply = Kernel::get_reply ()
 								Keyboard cap = Kernel::my_receiver.create_capability (Kernel::Num (next_user++, KBD_DEV))
 								reply.invoke (0, 0, cap.copy ())
@@ -254,23 +253,20 @@ Kernel::Num start ():
 								Kernel::free_cap (reply)
 								break
 							case Device::DESTROY_USER:
-								kdebug ("destroy\n")
 								Kernel::recv.reply.invoke ()
 								break
 							case Device::UNUSE:
-								kdebug ("unuse\n")
 								kbd.inactive ()
 								Kernel::recv.reply.invoke ()
 								break
 							case Device::USE:
-								kdebug ("use\n")
 								Kernel::Cap reply = Kernel::get_reply ()
 								user = Kernel::my_receiver.get_protected (Kernel::recv.arg).l
 								reply.invoke ()
 								Kernel::free_cap (reply)
 								break
 							default:
-								kdebug ("other dev:")
+								kdebug ("gpio other dev:")
 								kdebug_num (Kernel::recv.data[0].l)
 								kdebug ("\n")
 								break
@@ -286,25 +282,22 @@ Kernel::Num start ():
 					break
 				switch Kernel::recv.data[0].l:
 					case Keyboard::SET_CB:
-						kdebug ("set cb\n")
 						Kernel::Cap reply = Kernel::get_reply ()
 						kbd.active (Kernel::get_arg ())
 						reply.invoke ()
 						Kernel::free_cap (reply)
 						break
 					case Keyboard::GET_NUM_KEYS:
-						kdebug ("get #keys\n")
 						Kernel::recv.reply.invoke (kbd.size ())
 						break
 					case Keyboard::GET_KEYS:
-						kdebug ("get keys\n")
 						kbd.send_keys (Kernel::recv.data[0].l, Kernel::recv.reply)
 						break
 					default:
-						kdebug ("other\n")
+						kdebug ("keyboard other\n")
 						break
 				break
 			default:
-				kdebug ("unknown num: ")
+				kdebug ("keyboard unknown num: ")
 				kdebug_num (Kernel::recv.protected_data.h)
 				kdebug ("\n")

boot-programs/udc.ccp

@@ -215,6 +215,9 @@ void Udc::init ():
 	// enable interrupts on endpoint 0.
 	UDC_INTRINE |= 1 << 0
 	UDC_INDEX = 0
+	// Wait a while.
+	for unsigned w = 0; w < 10000; ++w:
+		Kernel::schedule ()
 	// Connect to the host.
 	UDC_POWER |= UDC_POWER_SOFTCONN
 

invoke.ccp

@@ -47,7 +47,6 @@ static void log_message (char const *prefix, unsigned target, unsigned pdata, kC
 	dbg_log ("\n")
 
 void kThread::raise (unsigned code, unsigned data):
-	dpanic (code, "raise")
 	dbg_log ("raise ")
 	dbg_log_num (old_current->id, 2)
 	dbg_log_char (':')
@@ -61,6 +60,7 @@ void kThread::raise (unsigned code, unsigned data):
 	dbg_log_char ('/')
 	dbg_log_num (data)
 	dbg_log_char ('\n')
+	dpanic (code, "raise")
 	unrun ()
 	if slots < 1 || !slot[0].caps || !slot[0].caps->cap (0)->target:
 		return

memory.ccp

@@ -10,7 +10,7 @@ static void clear_page (unsigned page, unsigned num = 1):
 	if *((unsigned *)page) != 0 || ((unsigned *)page)[(num << (PAGE_BITS - 2)) - 1] != 0:
 		dpanic (0, "clear_page didn't work")
 
-#if 1
+#if 0
 
 static unsigned free_begin
 static unsigned free_end

mips/arch.ccp

@@ -260,11 +260,15 @@ void kMemory_arch_unmap (kMemory *mem, kPage *page, unsigned address):
 	free_page (t, p)
 
 kPage *kMemory_arch_get_mapping (kMemory *mem, unsigned address, bool *readonly):
-	if address >= 0x80000000:
+	if address >= 0x80000000 || !mem->arch.directory:
 		return NULL
 	unsigned *table = mem->arch.directory[address >> 21]
+	if !table:
+		return NULL
 	unsigned idx = (address >> 12) & ((1 << 9) - 1)
 	arch_page *page = (arch_page *)table[idx + 0x200]
+	if !page:
+		return NULL
 	if readonly:
 		*readonly = !(table[idx] & 4)
 	return page->page

mips/init.ccp

@@ -116,6 +116,9 @@ static void init_threads ():
 	first_alarm = NULL
 	kReceiver *init_receiver = NULL
 	for unsigned i = 0; i < NUM_THREADS; ++i:
+		dbg_log ("Starting thread ")
+		dbg_log_num (i, 2)
+		dbg_log ("\n")
 		kMemory *mem = top_memory.alloc_memory ()
 		assert (mem)
 		kThread *thread = mem->alloc_thread (NUM_SLOTS)

mips/nanonote/Makefile.arch

@@ -18,7 +18,7 @@
 load = 0x80000000
 
 ARCH_CXXFLAGS = -DNUM_THREADS=6
-ARCH_CPPFLAGS = -I. -Imips -Imips/nanonote -Wa,-mips32 -DNANONOTE #-DUSE_SERIAL
+ARCH_CPPFLAGS = -I. -Imips -Imips/nanonote -Wa,-mips32 -DNANONOTE -DUSE_SERIAL
 CROSS = mipsel-linux-gnu-
 OBJDUMP = $(CROSS)objdump
 junk = mdebug.abi32 reginfo comment pdr
@@ -56,7 +56,7 @@ mips/init.o: TARGET_FLAGS = -I/usr/include
 $(addsuffix .elf,$(boot_threads)): TARGET_FLAGS = -I.
 $(addsuffix .elf,$(boot_threads)): LDFLAGS = -EL
 $(addprefix boot-programs/,$(addsuffix .cc,$(boot_threads))): devices.hh keys.hh
-lcd.elf: boot-programs/charset.data
+boot-programs/lcd.o: boot-programs/charset.data
 
 boot-programs/charset.data: boot-programs/charset
 	$< > $@