debug MicroBlaze

[hos/hos-v4a.git] / sample / mb / mb_v8 / uart.c

diff --git a/sample/mb/mb_v8/uart.c b/sample/mb/mb_v8/uart.c
index 73e8d1a..a6d534a 100644 (file)
--- a/sample/mb/mb_v8/uart.c
+++ b/sample/mb/mb_v8/uart.c
@@ -12,6 +12,12 @@
 #include "kernel.h"
 
 
+#define REG_UART_BASE          0x40600000
+#define REG_UART_RX                    ((volatile unsigned long *)(REG_UART_BASE + 0x0))
+#define REG_UART_TX                    ((volatile unsigned long *)(REG_UART_BASE + 0x4))
+#define REG_UART_STAT          ((volatile unsigned long *)(REG_UART_BASE + 0x8))
+#define REG_UART_CTRL          ((volatile unsigned long *)(REG_UART_BASE + 0xc))
+
 
 /* %jp{UARTの初期化} */
 void Uart_Initialize(void)
@@ -29,6 +35,10 @@ char Uart_GetChar(void)
 /* %jp{1文字出力} */
 void Uart_PutChar(int c)
 {
+       while ( *REG_UART_STAT & 0x08 )
+               ;
+       
+       *REG_UART_TX = c;
 }