Merge pull request #4 from Richard-Qin-001/dev/shell

Rebuilt the system's underlying structure; it is now stable enough to merge. 

The system now supports a read-only file system and has a simple shell implemented.

1 files changed, 31 insertions, 4 deletions

diff --git a/include/drivers/uart.h b/include/drivers/uart.h
index 4d00d94..26c2394 100644
--- a/include/drivers/uart.h
+++ b/include/drivers/uart.h
@@ -1,9 +1,36 @@
 #pragma once
-typedef unsigned long long uint64_t;
+#include "common/types.h"
 
-namespace Drivers {
+#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_intr();
+    int console_read(uint64 target, int len);
+
     void uart_putc(char c);
-    void uart_puts(const char* s);
-    void print_hex(uint64_t val);
+    void uart_puts(const char *s);
+    void uart_put_int(int value);
+    void print_hex(uint64 value);
 }
\ No newline at end of file