diff --git a/bsp/mini2440/board.c b/bsp/mini2440/board.c
index 23e78e6c7ca31e3e29af86a09822a03239488775..fc623386b41488a795285bfd3f81ff39abad6c28 100644
--- a/bsp/mini2440/board.c
+++ b/bsp/mini2440/board.c
@@ -58,7 +58,7 @@ struct rt_device uart2_device;
 /**
  * This function will handle rtos timer
  */
-static void rt_timer_handler(int vector)
+static void rt_timer_handler(int vector, void *param)
 {
 	rt_tick_increase();
 }
@@ -66,7 +66,7 @@ static void rt_timer_handler(int vector)
 /**
  * This function will handle serial
  */
-static void rt_serial0_handler(int vector)
+static void rt_serial0_handler(int vector, void *param)
 {
 	INTSUBMSK |= (BIT_SUB_RXD0);
 
@@ -81,7 +81,7 @@ static void rt_serial0_handler(int vector)
 /**
  * This function will handle serial
  */
-static void rt_serial2_handler(int vector)
+static void rt_serial2_handler(int vector, void *param)
 {
 	INTSUBMSK |= (BIT_SUB_RXD2);
 
@@ -133,7 +133,7 @@ static void rt_hw_uart_init(void)
 	uart2.uart_device->ucon = 0x245;
 	/* Set uart0 bps */
 	uart2.uart_device->ubrd = (rt_int32_t)(PCLK / (BPS * 16)) - 1;
-	
+
 	for (i = 0; i < 100; i++);
 
 	/* install uart0 isr */
@@ -141,18 +141,18 @@ static void rt_hw_uart_init(void)
 
 	/* install uart2 isr */
 	INTSUBMSK &= ~(BIT_SUB_RXD2);
-	
-	rt_hw_interrupt_install(INTUART0, rt_serial0_handler, RT_NULL);
+
+	rt_hw_interrupt_install(INTUART0, rt_serial0_handler, RT_NULL, "UART0");
 	rt_hw_interrupt_umask(INTUART0);
 
-	rt_hw_interrupt_install(INTUART2, rt_serial2_handler, RT_NULL);
-	rt_hw_interrupt_umask(INTUART2);	
+	rt_hw_interrupt_install(INTUART2, rt_serial2_handler, RT_NULL, "UART2");
+	rt_hw_interrupt_umask(INTUART2);
 }
 
 /**
  * This function will init timer4 for system ticks
  */
-static  void rt_hw_timer_init()
+static  void rt_hw_timer_init(void)
  {
 	/* timer4, pre = 15+1 */
 	TCFG0 &= 0xffff00ff;
@@ -165,7 +165,7 @@ static  void rt_hw_timer_init()
 	/* manual update */
 	TCON = TCON & (~(0x0f<<20)) | (0x02<<20);
 	/* install interrupt handler */
-	rt_hw_interrupt_install(INTTIMER4, rt_timer_handler, RT_NULL);
+	rt_hw_interrupt_install(INTTIMER4, rt_timer_handler, RT_NULL, "tick");
 	rt_hw_interrupt_umask(INTTIMER4);
 
     /* start timer4, reload */
@@ -175,7 +175,7 @@ static  void rt_hw_timer_init()
 /**
  * This function will init s3ceb2410 board
  */
-void rt_hw_board_init()
+void rt_hw_board_init(void)
 {
 	/* initialize the system clock */
 	rt_hw_clock_init();
diff --git a/bsp/mini2440/dm9000.c b/bsp/mini2440/dm9000.c
index ee8e404c821b7d4586ef7cdf7135757fd68bf891..527be3b7b88cf80b66c2bb7ee4ffb16f376458f2 100644
--- a/bsp/mini2440/dm9000.c
+++ b/bsp/mini2440/dm9000.c
@@ -572,7 +572,7 @@ __error_retry:
 #define B4_Tacp				 0x0
 #define B4_PMC				  0x0
 
-void INTEINT4_7_handler(int irqno)
+void INTEINT4_7_handler(int irqno, void *param)
 {
     rt_uint32_t eint_pend;
 
@@ -637,7 +637,7 @@ void rt_hw_dm9000_init()
 	eth_device_init(&(dm9000_device.parent), "e0");
 
 	/* instal interrupt */
-	rt_hw_interrupt_install(INTEINT4_7, INTEINT4_7_handler, RT_NULL);
+	rt_hw_interrupt_install(INTEINT4_7, INTEINT4_7_handler, RT_NULL, "EINT4_7");
 	rt_hw_interrupt_umask(INTEINT4_7);
 }
 
diff --git a/bsp/mini2440/rtconfig.h b/bsp/mini2440/rtconfig.h
index 3f87e450735113873fd612a66ee5ef4b63f6d035..2e4c05bbce68885ff85a800894536047040dcd5b 100644
--- a/bsp/mini2440/rtconfig.h
+++ b/bsp/mini2440/rtconfig.h
@@ -22,6 +22,8 @@
 // #define RT_THREAD_DEBUG
 // <bool name="RT_USING_OVERFLOW_CHECK" description="Thread stack over flow detect" default="true" />
 #define RT_USING_OVERFLOW_CHECK
+// <bool name="RT_USING_INTERRUPT_INFO" description="Show more interrupt description" default="true" />
+#define RT_USING_INTERRUPT_INFO
 // </section>
 
 // <bool name="RT_USING_HOOK" description="Using hook functions" default="true" />
diff --git a/libcpu/arm/s3c24x0/interrupt.c b/libcpu/arm/s3c24x0/interrupt.c
index 18cdbaa09f6128e5fa0ec5be61eb592151e693c5..df0c1406d31384a67cec1ecb1b11c452e76db59e 100644
--- a/libcpu/arm/s3c24x0/interrupt.c
+++ b/libcpu/arm/s3c24x0/interrupt.c
@@ -10,9 +10,11 @@
  * Change Logs:
  * Date           Author       Notes
  * 2006-03-13     Bernard      first version
+ * 2013-03-29     aozima       Modify the interrupt interface implementations.
  */
 
 #include <rtthread.h>
+#include <rthw.h>
 #include "s3c24x0.h"
 
 #define MAX_HANDLERS	32
@@ -20,7 +22,7 @@
 extern rt_uint32_t rt_interrupt_nest;
 
 /* exception and interrupt handler table */
-rt_isr_handler_t isr_table[MAX_HANDLERS];
+struct rt_irq_desc isr_table[MAX_HANDLERS];
 rt_uint32_t rt_interrupt_from_thread, rt_interrupt_to_thread;
 rt_uint32_t rt_thread_switch_interrupt_flag;
 
@@ -29,10 +31,9 @@ rt_uint32_t rt_thread_switch_interrupt_flag;
  */
 /*@{*/
 
-rt_isr_handler_t rt_hw_interrupt_handle(rt_uint32_t vector)
+static void rt_hw_interrupt_handle(int vector, void *param)
 {
 	rt_kprintf("Unhandled interrupt %d occured!!!\n", vector);
-	return RT_NULL;
 }
 
 /**
@@ -40,37 +41,38 @@ rt_isr_handler_t rt_hw_interrupt_handle(rt_uint32_t vector)
  */
 void rt_hw_interrupt_init(void)
 {
-	register rt_uint32_t idx;
+    register rt_uint32_t idx;
 
-	/* all clear source pending */
-	SRCPND = 0x0;
+    /* all clear source pending */
+    SRCPND = 0x0;
 
-	/* all clear sub source pending */
-	SUBSRCPND = 0x0;
+    /* all clear sub source pending */
+    SUBSRCPND = 0x0;
 
-	/* all=IRQ mode */
-	INTMOD = 0x0;
+    /* all=IRQ mode */
+    INTMOD = 0x0;
 
-	/* all interrupt disabled include global bit */
-    	INTMSK = BIT_ALLMSK;
+    /* all interrupt disabled include global bit */
+    INTMSK = BIT_ALLMSK;
 
-	/* all sub interrupt disable */
-	INTSUBMSK = BIT_SUB_ALLMSK;
+    /* all sub interrupt disable */
+    INTSUBMSK = BIT_SUB_ALLMSK;
 
-	/* all clear interrupt pending */
-	INTPND = BIT_ALLMSK;
+    /* all clear interrupt pending */
+    INTPND = BIT_ALLMSK;
 
-	/* init exceptions table */
-	for(idx=0; idx < MAX_HANDLERS; idx++)
-	{
-		isr_table[idx] = (rt_isr_handler_t)rt_hw_interrupt_handle;
-	}
+    /* init exceptions table */
+    rt_memset(isr_table, 0x00, sizeof(isr_table));
+    for(idx=0; idx < MAX_HANDLERS; idx++)
+    {
+        isr_table[idx].handler = rt_hw_interrupt_handle;
+    }
 
-	/* init interrupt nest, and context in thread sp */
-	rt_interrupt_nest = 0;
-	rt_interrupt_from_thread = 0;
-	rt_interrupt_to_thread = 0;
-	rt_thread_switch_interrupt_flag = 0;
+    /* init interrupt nest, and context in thread sp */
+    rt_interrupt_nest = 0;
+    rt_interrupt_from_thread = 0;
+    rt_interrupt_to_thread = 0;
+    rt_thread_switch_interrupt_flag = 0;
 }
 
 /**
@@ -105,13 +107,26 @@ void rt_hw_interrupt_umask(int vector)
  * @param new_handler the interrupt service routine to be installed
  * @param old_handler the old interrupt service routine
  */
-void rt_hw_interrupt_install(int vector, rt_isr_handler_t new_handler, rt_isr_handler_t *old_handler)
+rt_isr_handler_t rt_hw_interrupt_install(int vector, rt_isr_handler_t handler,
+                                        void *param, char *name)
 {
-	if(vector < MAX_HANDLERS)
-	{
-		if (old_handler != RT_NULL) *old_handler = isr_table[vector];
-		if (new_handler != RT_NULL) isr_table[vector] = new_handler;
-	}
+    rt_isr_handler_t old_handler = RT_NULL;
+
+    if(vector < MAX_HANDLERS)
+    {
+        old_handler = isr_table[vector].handler;
+
+        if (handler != RT_NULL)
+        {
+#ifdef RT_USING_INTERRUPT_INFO
+		    rt_strncpy(isr_table[vector].name, name, RT_NAME_MAX);
+#endif /* RT_USING_INTERRUPT_INFO */
+		    isr_table[vector].handler = handler;
+            isr_table[vector].param = param;
+        }
+    }
+
+    return old_handler;
 }
 
 /*@}*/
diff --git a/libcpu/arm/s3c24x0/trap.c b/libcpu/arm/s3c24x0/trap.c
index bdeae9aab02e93f95cf82c4451fe5380821f97d6..f1c81768c9928b7446fb6fdf52813dc867e4698d 100644
--- a/libcpu/arm/s3c24x0/trap.c
+++ b/libcpu/arm/s3c24x0/trap.c
@@ -12,6 +12,7 @@
  * 2006-03-13     Bernard      first version
  * 2006-05-27     Bernard      add skyeye support
  * 2007-11-19     Yi.Qiu       fix rt_hw_trap_irq function
+ * 2013-03-29     aozima       Modify the interrupt interface implementations.
  */
 
 #include <rtthread.h>
@@ -140,29 +141,35 @@ void rt_hw_trap_resv(struct rt_hw_register *regs)
 	rt_hw_cpu_shutdown();
 }
 
-extern rt_isr_handler_t isr_table[];
+extern struct rt_irq_desc isr_table[];
 
-void rt_hw_trap_irq()
+void rt_hw_trap_irq(void)
 {
-	unsigned long intstat;
-	rt_isr_handler_t isr_func;
+    unsigned long irq;
+    rt_isr_handler_t isr_func;
+    void *param;
 
-	intstat = INTOFFSET;
+    irq = INTOFFSET;
 
-	if (intstat == INTGLOBAL) return;
+    if (irq == INTGLOBAL) return;
 
-	/* get interrupt service routine */
-	isr_func = isr_table[intstat];
+    /* get interrupt service routine */
+    isr_func = isr_table[irq].handler;
+    param = isr_table[irq].param;
 
-	/* turn to interrupt service routine */
-	isr_func(intstat);
+    /* turn to interrupt service routine */
+    isr_func(irq, param);
 
-	/* clear pending register */
-	/* note: must be the last, if not, may repeat*/
-	ClearPending(1 << intstat);
+    /* clear pending register */
+    /* note: must be the last, if not, may repeat*/
+    ClearPending(1 << irq);
+
+#ifdef RT_USING_INTERRUPT_INFO
+	isr_table[irq].counter++;
+#endif /* RT_USING_INTERRUPT_INFO */
 }
 
-void rt_hw_trap_fiq()
+void rt_hw_trap_fiq(void)
 {
 	rt_kprintf("fast interrupt request\n");
 }