dev(device): implement VirtIO

See dev log for detail

1 files changed, 25 insertions, 1 deletions

diff --git a/include/drivers/uart.h b/include/drivers/uart.h
index cb84bde..26c2394 100644
--- a/include/drivers/uart.h
+++ b/include/drivers/uart.h
@@ -1,11 +1,35 @@
 #pragma once
 #include "common/types.h"
 
+#define UART0 0x10000000L
+#define RHR 0 // Receive Holding Register (read mode)
+#define THR 0 // Transmit Holding Register (write mode)
+#define IER 1 // Interrupt Enable Register
+#define FCR 2 // FIFO Control Register
+#define ISR 2 // Interrupt Status Register
+#define LCR 3 // Line Control Register
+#define LSR 5 // Line Status Register
+
+#define LSR_RX_READY 0x01 // input is waiting to be read from RHR
+#define LSR_TX_IDLE 0x20  // THR can accept another character to send
+
+#define UART_RX_BUF_SIZE 128
+
+// ANSI Escape Codes for Modern Terminal Colors
+#define ANSI_RESET "\033[0m"
+#define ANSI_RED "\033[31m"
+#define ANSI_GREEN "\033[32m"
+#define ANSI_YELLOW "\033[33m"
+#define ANSI_BLUE "\033[34m"
+#define ANSI_CLEAR "\033[2J\033[1;1H"
+
 namespace Drivers
 {
     void uart_init();
-    void uart_putc(char c);
+    void uart_intr();
+    int console_read(uint64 target, int len);
 
+    void uart_putc(char c);
     void uart_puts(const char *s);
     void uart_put_int(int value);
     void print_hex(uint64 value);