work

create hardware rng buffer & stn.random.uint_64 (currently weird)
move examples out of fb_driver (currently broken)
remove literal kernel panic from `info!("AHHH")`
re-implement stn.buffer.send_message()

kernel/src/holeybytes/ecah.rs

@@ -131,6 +131,10 @@ pub fn handler(vm: &mut Vm) {
                         _ => {}
                     }
                 }
+                // source of rng
+                4 => {
+                    vm.registers[1] = hbvm::value::Value(crate::arch::hardware_random_u64());
+                }
                 buffer_id => {
                     let mut buffs = IPC_BUFFERS.lock();
                     match buffs.get_mut(&buffer_id) {
@@ -167,7 +171,7 @@ pub fn handler(vm: &mut Vm) {
             if buffs.get_mut(&buffer_id).is_some() {
                 buff = buffs.get_mut(&buffer_id).unwrap();
             } else {
-                info!("AHHH");
+                // info!("AHHH");
                 vm.registers[1] = hbvm::value::Value(0);
                 return;
             }
@@ -205,7 +209,6 @@ pub fn handler(vm: &mut Vm) {
                 vm.registers[3] = x
             }
         }
-        // 5
         _ => {
             log::error!("Syscall unknown {:?}{:?}", ecall_number, vm.registers);
         }

sysdata/libraries/render/src/lib.hb

@@ -0,0 +1 @@
+software := @use("rel:software.hb")

sysdata/libraries/render/src/software.hb

@@ -0,0 +1,16 @@
+.{buffer} := @use("../../stn/src/lib.hb")
+
+test := fn(): int {
+	buffer_id := buffer.search("XGraphics\0")
+	msg := "\0"
+	buffer.send_message(msg, buffer_id)
+	return 0
+}
+
+put_pixel := fn(): int {
+	return 0
+}
+
+sync := fn(): int {
+	return 0
+}

sysdata/libraries/stn/src/buffer.hb

@@ -4,8 +4,9 @@ receive_message := fn(buffer_id: int, memory_map_location: ^u8, length: int): ^u
 	return @eca(^u8, 4, buffer_id, memory_map_location, length)
 }
 
-send_message := fn(buffer_id: int, message: ^u8, message_length: int): void {
+send_message := fn(msg: ^u8, buffer_id: int): void {
-	@eca(i32, 3, buffer_id, message, message_length)
+	msg_length := string.length(msg)
+	@eca(i32, 3, buffer_id, msg, msg_length)
 	return
 }
 

sysdata/libraries/stn/src/lib.hb

@@ -3,3 +3,4 @@ log := @use("rel:log.hb")
 memory := @use("rel:memory.hb")
 buffer := @use("rel:buffer.hb")
 math := @use("rel:math.hb")
+random := @use("rel:random.hb")

sysdata/libraries/stn/src/random.hb

@@ -0,0 +1,8 @@
+uint_64 := fn(min: uint, max: uint): uint {
+	rng := @eca(uint, 3, 4)
+
+	if min != 0 | max != 0 {
+		return rng % (max - min + 1) + min
+	}
+	return rng
+}

sysdata/programs/fb_driver/src/main.hb

@@ -1,7 +1,20 @@
-// change "lines.hb" to another example to see it onscreen
+.{log, memory, string, buffer} := @use("../../../libraries/stn/src/lib.hb");
-example := @use("examples/lines.hb").example
+.{front_buffer_ptr, screenidx, ColorBGRA, Point} := @use("./lib.hb")
 
 main := fn(): int {
-	example()
+	buffer_id := buffer.create("XGraphics\0")
+	memmap := memory.request_page(1)
+	x := 0
+	loop {
+		msg := buffer.receive_message(buffer_id, memmap, 0)
+		if msg != 0 {
+			log.info("Hello, Framebuffer!\0")
+		}
+		loop if x == 4096 {
+			*(memmap + x) = 0
+			x += 1
+		}
+		x = 0
+	}
 	return 0
 }

sysdata/programs/fb_driver_stresstest/meta.toml

@@ -0,0 +1,11 @@
+[package]
+name = "fb_driver_stresstest"
+authors = ["aurlex"]
+
+[dependants.libraries]
+
+[dependants.binaries]
+hblang.version = "1.0.0"
+
+[build]
+command = "hblang src/main.hb"

sysdata/programs/fb_driver_stresstest/src/main.hb

@@ -0,0 +1,6 @@
+.{test, put_pixel, sync} := @use("../../../libraries/render/src/lib.hb").software
+
+main := fn(): int {
+	test()
+	return 0
+}

sysdata/programs/ps2_driver/src/controller.hb

@@ -0,0 +1,97 @@
+.{memory, log, string, buffer} := @use("../../../libraries/stn/src/lib.hb")
+
+init := fn(): void {
+	send_byte_to_controller(173)
+	send_byte_to_controller(167)
+
+	// flush output buffer
+	memory.inb(0, 96)
+
+	send_byte_to_controller(32)
+	config_byte := read_byte()
+	log.info("What\0")
+
+	// TODO: We just assume there's a second device here and set up the
+	// controller as such. We should probably look for the second device FIRST
+	// The OSWiki has a page about this
+	// https://wiki.osdev.org/%228042%22_PS/2_Controller#Step_7:_Determine_If_There_Are_2_Channels
+	config_byte &= 32
+	send_byte_to_controller(96)
+	send_byte(config_byte)
+
+	if perform_self_test() {
+		log.info("PS/2 Controller self test successful\0")
+		send_byte_to_controller(171)
+		if read_byte() != 0 {
+			log.error("PS/2 First port test failed\0")
+		}
+		send_byte_to_controller(169)
+		if read_byte() != 0 {
+			log.error("PS/2 Second port test failed\0")
+		}
+	} else {
+		log.error("PS/2 Controller self test failed\0")
+	}
+	return
+}
+
+perform_self_test := fn(): bool {
+	send_byte_to_controller(32)
+	config_byte := read_byte()
+
+	send_byte_to_controller(170)
+	response := read_byte()
+
+	send_byte_to_controller(96)
+	send_byte(config_byte)
+	return response == 85
+}
+
+send_byte_to_controller := fn(byte: u8): void {
+	loop {
+		status := memory.inb(0, 100)
+		// Bitwise OR with 1011 1111
+		// If the second bit was set in the status register,
+		// status is now equal to 255
+		status |= 191
+
+		if status != 255 {
+			memory.outb(0, 100, byte)
+			break
+		}
+	}
+	return
+}
+
+send_byte := fn(byte: u8): void {
+	loop {
+		status := memory.inb(0, 100)
+		// Bitwise OR with 1011 1111
+		// If the second bit was set in the status register,
+		// status is now equal to 255
+		status |= 191
+
+		if status != 255 {
+			memory.outb(0, 96, byte)
+			break
+		}
+	}
+	return
+}
+
+read_byte := fn(): u8 {
+	ptr := memory.request_page(1)
+	loop {
+		status := memory.inb(0, 100)
+		// Bitwise OR with 0111 1111
+		// If the first bit was set in the status register,
+		// status is now equal to 255
+		status |= 127
+		str := string.display_int(status, ptr)
+		log.info(ptr)
+
+		if status == 255 {
+			return memory.inb(0, 96)
+		}
+	}
+}

sysdata/programs/ps2_driver/src/main.hb

@@ -1,31 +1,28 @@
 .{memory, log, string, buffer} := @use("../../../libraries/stn/src/lib.hb")
-
+controller := @use("./controller.hb")
-send_byte := fn(byte: u8): u8 {
-	memory.outb(0, 96, byte)
-	input := memory.inb(0, 96)
-	return input
-}
 
 main := fn(): int {
 	log.info("PS/2 Driver Loaded\0")
-	if send_byte(238) == 238 {
+	controller.init()
-		log.info("PS/2 Keyboard Echoed\0")
-	}
-	if send_byte(244) == 250 {
-		log.info("Enabled scanning\0")
-	}
-	buf := buffer.create()
-	ptr := memory.request_page(1)
-	prev_input := 250
-	loop {
-		input := memory.inb(0, 96)
-		if input == prev_input {
-			continue
-		}
-		prev_input = input
-		keycode_str := string.display_int(input, ptr)
-		log.info(string.display_int(buf))
-		buffer.send_message(buf, keycode_str, string.length(keycode_str))
-	}
 	return 0
+	//	if send_byte(238) == 238 {
+	//		log.info("PS/2 Keyboard Echoed\0")
+	//	}
+	//	if send_byte(244) == 250 {
+	//		log.info("Enabled scanning\0")
+	//	}
+	//	buf := buffer.create("XKeyboard\0")
+	//	ptr := memory.request_page(1)
+	//	prev_input := 250
+	//	loop {
+	//		input := memory.inb(0, 96)
+	//		if input == prev_input {
+	//			continue
+	//		}
+	//		prev_input = input
+	//		keycode_str := string.display_int(input, ptr)
+	//		log.info(string.display_int(buf))
+	//		buffer.send_message(keycode_str, buf)
+	//	}
+	//	return 0
 }

sysdata/system_config.toml

@@ -19,11 +19,12 @@ resolution = "1024x768x24"
 
 # [boot.limine.ableos.modules.tests]
 # path = "boot:///tests.hbf"
+
 [boot.limine.ableos.modules.a_serial_driver]
 path = "boot:///a_serial_driver.hbf"
 
 [boot.limine.ableos.modules.ps2_driver]
- path = "boot:///ps2_driver.hbf"
+path = "boot:///ps2_driver.hbf"
 
 [boot.limine.ableos.modules.diskio_driver]
 path = "boot:///diskio_driver.hbf"
@@ -31,6 +32,8 @@ path = "boot:///diskio_driver.hbf"
 [boot.limine.ableos.modules.fb_driver]
 path = "boot:///fb_driver.hbf"
 
-
 [boot.limine.ableos.modules.serial_driver_test]
 path = "boot:///serial_driver_test.hbf"
+
+[boot.limine.ableos.modules.fb_driver_stresstest]
+path = "boot:///fb_driver_stresstest.hbf"