hooklib/uart.c: Add emulated UART

hooklib/uart.h

@@ -0,0 +1,30 @@
+#pragma once
+
+#include <windows.h>
+
+#include <ntdef.h>
+#include <ntddser.h>
+
+#include <stdbool.h>
+
+#include "hook/iobuf.h"
+#include "hook/iohook.h"
+
+struct uart {
+    HANDLE fd;
+    unsigned int port_no;
+    SERIAL_BAUD_RATE baud;
+    SERIAL_STATUS status;
+    SERIAL_CHARS chars;
+    SERIAL_HANDFLOW handflow;
+    SERIAL_LINE_CONTROL line;
+    SERIAL_TIMEOUTS timeouts;
+    DWORD mask;
+    struct iobuf written;
+    struct iobuf readable;
+};
+
+void uart_init(struct uart *uart, unsigned int port_no);
+void uart_fini(struct uart *uart);
+bool uart_match_irp(const struct uart *uart, const struct irp *irp);
+HRESULT uart_handle_irp(struct uart *uart, struct irp *irp);