Merge pull request #56 from aozima/aozima

Modify the interrupt interface implementations.

12 files changed, 314 insertions, 196 deletions

diff --git a/libcpu/arm/AT91SAM7X/interrupt.c b/libcpu/arm/AT91SAM7X/interrupt.c
index 1aced87b29..71884f9f3f 100644
--- a/libcpu/arm/AT91SAM7X/interrupt.c
+++ b/libcpu/arm/AT91SAM7X/interrupt.c
@@ -10,8 +10,10 @@
  * Change Logs:
  * Date           Author       Notes
  * 2006-08-23     Bernard      first version
+ * 2013-03-29     aozima       Modify the interrupt interface implementations.
  */
 
+#include <rtthread.h>
 #include <rthw.h>
 #include "AT91SAM7X256.h"
 
@@ -30,7 +32,7 @@ rt_uint32_t rt_thread_switch_interrupt_flag;
  */
 /*@{*/
 
-void rt_hw_interrupt_handler(int vector)
+static void rt_hw_interrupt_handler(int vector, void *param)
 {
 	rt_kprintf("Unhandled interrupt %d occured!!!\n", vector);
 }
@@ -38,7 +40,7 @@ void rt_hw_interrupt_handler(int vector)
 /**
  * This function will initialize hardware interrupt
  */
-void rt_hw_interrupt_init()
+void rt_hw_interrupt_init(void)
 {
 	rt_base_t index;
 
@@ -96,7 +98,6 @@ rt_isr_handler_t rt_hw_interrupt_install(int vector, rt_isr_handler_t handler,
 									void *param, char *name)
 {
 	rt_isr_handler_t old_handler = RT_NULL;
-
 	if(vector >= 0 && vector < MAX_HANDLERS)
 	{
 		old_handler = irq_desc[vector].handler;
diff --git a/libcpu/arm/AT91SAM7X/trap.c b/libcpu/arm/AT91SAM7X/trap.c
index 4b21f81c1c..74d1cba445 100644
--- a/libcpu/arm/AT91SAM7X/trap.c
+++ b/libcpu/arm/AT91SAM7X/trap.c
@@ -22,7 +22,7 @@
  */
 /*@{*/
 
-void rt_hw_trap_irq()
+void rt_hw_trap_irq(void)
 {
 	int irqno;
 	extern struct rt_irq_desc irq_desc[]; 
@@ -37,13 +37,13 @@ void rt_hw_trap_irq()
 	AT91C_BASE_AIC->AIC_EOICR = 0;
 }
 
-void rt_hw_trap_fiq()
+void rt_hw_trap_fiq(void)
 {
     rt_kprintf("fast interrupt request\n");
 }
 
 extern struct rt_thread* rt_current_thread;
-void rt_hw_trap_abort()
+void rt_hw_trap_abort(void)
 {
 	rt_kprintf("Abort occured!!! Thread [%s] suspended.\n",rt_current_thread->name);
 	rt_thread_suspend(rt_current_thread);
diff --git a/libcpu/arm/lpc214x/cpuport.c b/libcpu/arm/lpc214x/cpuport.c
index 512ff89f08..1cd33b897b 100644
--- a/libcpu/arm/lpc214x/cpuport.c
+++ b/libcpu/arm/lpc214x/cpuport.c
@@ -10,9 +10,11 @@
  * Change Logs:
  * Date           Author       Notes
  * 2011-06-15     aozima       the first version for lpc214x
+ * 2013-03-29     aozima       Modify the interrupt interface implementations.
  */
 
 #include <rtthread.h>
+#include <rthw.h>
 #include "lpc214x.h"
 
 #define MAX_HANDLERS	32
@@ -20,6 +22,9 @@
 
 extern rt_uint32_t rt_interrupt_nest;
 
+/* exception and interrupt handler table */
+struct rt_irq_desc irq_desc[MAX_HANDLERS]; 
+
 /**
  * @addtogroup LPC214x
  */
@@ -71,7 +76,7 @@ rt_uint8_t *rt_hw_stack_init(void *tentry, void *parameter,
 rt_uint32_t rt_interrupt_from_thread, rt_interrupt_to_thread;
 rt_uint32_t rt_thread_switch_interrupt_flag;
 
-void rt_hw_interrupt_handler(int vector)
+void rt_hw_interrupt_handler(int vector, void *param)
 {
 	rt_kprintf("Unhandled interrupt %d occured!!!\n", vector);
 }
@@ -79,7 +84,7 @@ void rt_hw_interrupt_handler(int vector)
 /**
  * This function will initialize hardware interrupt
  */
-void rt_hw_interrupt_init()
+void rt_hw_interrupt_init(void)
 {
 	rt_base_t index;
 	rt_uint32_t *vect_addr, *vect_ctl;
@@ -90,12 +95,15 @@ void rt_hw_interrupt_init()
 	/* set all to IRQ */
 	VICIntSelect = 0;
 
+    rt_memset(irq_desc, 0x00, sizeof(irq_desc));
 	for (index = 0; index < MAX_HANDLERS; index ++)
 	{
+        irq_desc[index].handler = rt_hw_interrupt_handler;
+
 		vect_addr 	= (rt_uint32_t *)(VIC_BASE_ADDR + 0x100 + (index << 2));
 		vect_ctl 	= (rt_uint32_t *)(VIC_BASE_ADDR + 0x200 + (index << 2));
 
-		*vect_addr 	= (rt_uint32_t)rt_hw_interrupt_handler;
+		*vect_addr 	= (rt_uint32_t)&irq_desc[index];
 		*vect_ctl 	= 0xF;
 	}
 
@@ -127,30 +135,39 @@ void rt_hw_interrupt_umask(int vector)
 /**
  * This function will install a interrupt service routine to a interrupt.
  * @param vector the interrupt number
- * @param new_handler the interrupt service routine to be installed
- * @param old_handler the old interrupt service routine
+ * @param handler the interrupt service routine to be installed
+ * @param param the interrupt service function parameter
+ * @param name the interrupt name
+ * @return old handler
  */
-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 >= 0 && vector < MAX_HANDLERS)
-	{
-		/* get VIC address */
-		rt_uint32_t* vect_addr 	= (rt_uint32_t *)(VIC_BASE_ADDR + 0x100 + (vector << 2));
-		rt_uint32_t* vect_ctl 	= (rt_uint32_t *)(VIC_BASE_ADDR + 0x200 + (vector << 2));
+    rt_isr_handler_t old_handler = RT_NULL;
 
-		/* assign IRQ slot and enable this slot */
-		*vect_ctl = 0x20 | (vector & 0x1F);
+    if(vector >= 0 && vector < MAX_HANDLERS)
+    {
+        rt_uint32_t* vect_ctl 	= (rt_uint32_t *)(VIC_BASE_ADDR + 0x200 + (vector << 2));
 
-		if (old_handler != RT_NULL) *old_handler = (rt_isr_handler_t) *vect_addr;
-		if (new_handler != RT_NULL) *vect_addr = (rt_uint32_t) new_handler;
-	}
+        /* assign IRQ slot and enable this slot */
+        *vect_ctl = 0x20 | (vector & 0x1F);
+
+        old_handler = irq_desc[vector].handler;
+		if (handler != RT_NULL)
+		{
+			irq_desc[vector].handler = handler;
+			irq_desc[vector].param = param;
+		}
+    }
+
+    return old_handler;
 }
 
 /**
  * this function will reset CPU
  *
  */
-void rt_hw_cpu_reset()
+void rt_hw_cpu_reset(void)
 {
 }
 
@@ -165,18 +182,23 @@ void rt_hw_cpu_shutdown()
 	while (1);
 }
 
-void rt_hw_trap_irq()
+void rt_hw_trap_irq(void)
 {
-	rt_isr_handler_t isr_func;
+    int irqno;
+	struct rt_irq_desc* irq;
+    extern struct rt_irq_desc irq_desc[];
+
+	irq = (struct rt_irq_desc*) VICVectAddr;
+	irqno = ((rt_uint32_t) irq - (rt_uint32_t) &irq_desc[0])/sizeof(struct rt_irq_desc);
 
-	isr_func = (rt_isr_handler_t) VICVectAddr;
-	isr_func(0);
+	/* invoke isr */
+	irq->handler(irqno, irq->param);
 
-	/* acknowledge Interrupt */
-	// VICVectAddr = 0;
+    /* acknowledge Interrupt */
+    // VICVectAddr = 0;
 }
 
-void rt_hw_trap_fiq()
+void rt_hw_trap_fiq(void)
 {
     rt_kprintf("fast interrupt request\n");
 }
diff --git a/libcpu/arm/lpc24xx/interrupt.c b/libcpu/arm/lpc24xx/interrupt.c
index 6d64d7a07c..16d1dd7e99 100644
--- a/libcpu/arm/lpc24xx/interrupt.c
+++ b/libcpu/arm/lpc24xx/interrupt.c
@@ -10,8 +10,10 @@
  * Change Logs:
  * Date           Author       Notes
  * 2008-12-11     XuXinming    first version
+ * 2013-03-29     aozima       Modify the interrupt interface implementations.
  */
 
+#include <rtthread.h>
 #include <rthw.h>
 #include "LPC24xx.h"
 
@@ -35,7 +37,7 @@ void rt_hw_interrupt_handler(int vector, void *param)
 	rt_kprintf("Unhandled interrupt %d occured!!!\n", vector);
 }
 
-void rt_hw_interrupt_init()
+void rt_hw_interrupt_init(void)
 {
 	register int i;
 
@@ -47,10 +49,10 @@ void rt_hw_interrupt_init()
 	VICIntSelect = 0;
 
     /* init exceptions table */
+    rt_memset(irq_desc, 0x00, sizeof(irq_desc));
     for(i=0; i < MAX_HANDLERS; i++)
     {
-        irq_desc[i].handler = (rt_isr_handler_t)rt_hw_interrupt_handler;
-        irq_desc[i].param = RT_NULL;
+        irq_desc[i].handler = rt_hw_interrupt_handler;
 
 		vect_addr  = (rt_uint32_t *)(VIC_BASE_ADDR + 0x100 + i*4);
 		vect_cntl  = (rt_uint32_t *)(VIC_BASE_ADDR + 0x200 + i*4);
@@ -94,7 +96,7 @@ rt_isr_handler_t rt_hw_interrupt_install(int vector, rt_isr_handler_t handler,
 		old_handler = irq_desc[vector].handler;
 		if (handler != RT_NULL)
 		{
-			irq_desc[vector].handler = (rt_isr_handler_t)handler;
+			irq_desc[vector].handler = handler;
 			irq_desc[vector].param = param;
 		}
 	}
diff --git a/libcpu/arm/lpc24xx/trap.c b/libcpu/arm/lpc24xx/trap.c
index 53ff13b4eb..71d88101fc 100644
--- a/libcpu/arm/lpc24xx/trap.c
+++ b/libcpu/arm/lpc24xx/trap.c
@@ -126,7 +126,7 @@ void rt_hw_trap_resv(struct rt_hw_register *regs)
 }
 
 extern rt_isr_handler_t isr_table[];
-void rt_hw_trap_irq()
+void rt_hw_trap_irq(void)
 {
 	int irqno;
 	struct rt_irq_desc* irq;
@@ -139,7 +139,7 @@ void rt_hw_trap_irq()
 	irq->handler(irqno, irq->param);
 }
 
-void rt_hw_trap_fiq()
+void rt_hw_trap_fiq(void)
 {	
     rt_kprintf("fast interrupt request\n");
 }
diff --git a/libcpu/arm/s3c24x0/interrupt.c b/libcpu/arm/s3c24x0/interrupt.c
index 18cdbaa09f..df0c1406d3 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 bdeae9aab0..f1c81768c9 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");
 }
diff --git a/libcpu/arm/sep4020/interrupt.c b/libcpu/arm/sep4020/interrupt.c
index 8ed22dc816..88130c1a33 100644
--- a/libcpu/arm/sep4020/interrupt.c
+++ b/libcpu/arm/sep4020/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 <sep4020.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;
 
@@ -38,44 +40,45 @@ rt_isr_handler_t rt_hw_interrupt_handle(rt_uint32_t vector)
 /**
  * This function will initialize hardware interrupt
  */
-void rt_hw_interrupt_init()
+void rt_hw_interrupt_init(void)
 {
-	register rt_uint32_t idx;
+    register rt_uint32_t idx;
 
-	/*Make sure all intc registers in proper state*/
+    /*Make sure all intc registers in proper state*/
 
-	/*mask all the irq*/
-	*(RP)(INTC_IMR) = 0xFFFFFFFF;
+    /*mask all the irq*/
+    *(RP)(INTC_IMR) = 0xFFFFFFFF;
 
-	/*enable all the irq*/
-	*(RP)(INTC_IER)	= 0XFFFFFFFF;
+    /*enable all the irq*/
+    *(RP)(INTC_IER)	= 0XFFFFFFFF;
 
-	/*Dont use any forced irq*/
-	*(RP)(INTC_IFR) = 0x0;
+    /*Dont use any forced irq*/
+    *(RP)(INTC_IFR) = 0x0;
 
-	/*Disable all the fiq*/
-	*(RP)(INTC_FIER) = 0x0;
+    /*Disable all the fiq*/
+    *(RP)(INTC_FIER) = 0x0;
 
-	/*Mask all the fiq*/
-	*(RP)(INTC_FIMR) = 0x0F;
+    /*Mask all the fiq*/
+    *(RP)(INTC_FIMR) = 0x0F;
 
-	/*Dont use forced fiq*/
-	*(RP)(INTC_FIFR) = 0x0;
+    /*Dont use forced fiq*/
+    *(RP)(INTC_FIFR) = 0x0;
 
-	/*Intrrupt priority register*/
-	*(RP)(INTC_IPLR) = 0x0;
+    /*Intrrupt priority register*/
+    *(RP)(INTC_IPLR) = 0x0;
 
-	/* 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;
 }
 
 /**
@@ -108,15 +111,26 @@ void rt_hw_interrupt_umask(rt_uint32_t vector)
  * @param new_handler the interrupt service routine to be installed
  * @param old_handler the old interrupt service routine
  */
-void rt_hw_interrupt_install(rt_uint32_t 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/sep4020/trap.c b/libcpu/arm/sep4020/trap.c
index e7a6e369f9..33da0d9e98 100644
--- a/libcpu/arm/sep4020/trap.c
+++ b/libcpu/arm/sep4020/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>
@@ -131,31 +132,38 @@ 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_uint32_t i = 0;
-	rt_isr_handler_t isr_func;
+    unsigned long intstat;
+    rt_uint32_t irq = 0;
+    rt_isr_handler_t isr_func;
+    void *param;
 
-	/*Get the final intrrupt source*/
-	intstat = *(RP)(INTC_IFSR);;
+    /*Get the final intrrupt source*/
+    intstat = *(RP)(INTC_IFSR);;
 
-	/*Shift to get the intrrupt number*/
- 	while(intstat != 1)
-	{
-		intstat = intstat >> 1;
-		i++;
-	} 
-	/* get interrupt service routine */
-	isr_func = isr_table[i];
+    /*Shift to get the intrrupt number*/
+    while(intstat != 1)
+    {
+        intstat = intstat >> 1;
+        irq++;
+    }
 
-	/* turn to interrupt service routine */
-	isr_func(i);
+    /* get interrupt service routine */
+    isr_func = isr_table[irq].isr_handle;
+    param = isr_table[irq].param;
+
+    /* turn to interrupt service routine */
+    isr_func(irq, param);
+
+#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");
 }
diff --git a/libcpu/mips/jz47xx/interrupt.c b/libcpu/mips/jz47xx/interrupt.c
index f9ada3254a..0ea4827ee2 100644
--- a/libcpu/mips/jz47xx/interrupt.c
+++ b/libcpu/mips/jz47xx/interrupt.c
@@ -90,7 +90,9 @@ rt_isr_handler_t rt_hw_interrupt_install(int vector,
 	{
         old_handler = irq_handle_table[vector].handler;
 
+#ifdef RT_USING_INTERRUPT_INFO
         rt_strncpy(irq_handle_table[vector].name, name, RT_NAME_MAX);
+#endif /* RT_USING_INTERRUPT_INFO */
         irq_handle_table[vector].handler = handler;
         irq_handle_table[vector].param = param;
 	}
@@ -118,6 +120,10 @@ void rt_interrupt_dispatch(void *ptreg)
 			/* do interrupt */
 			(*irq_func)(i, irq_handle_table[i].param);
 
+#ifdef RT_USING_INTERRUPT_INFO
+			irq_handle_table[i].counter++;
+#endif /* RT_USING_INTERRUPT_INFO */
+
 			/* ack interrupt */
 			INTC_IPR = (1 << i);
 		}
diff --git a/libcpu/mips/loongson/interrupt.c b/libcpu/mips/loongson/interrupt.c
index 4b97068a70..7e59ec950d 100644
--- a/libcpu/mips/loongson/interrupt.c
+++ b/libcpu/mips/loongson/interrupt.c
@@ -10,8 +10,11 @@
  * Change Logs:
  * Date           Author       Notes
  * 2010-10-15     Bernard      first version
+ * 2013-03-29     aozima       Modify the interrupt interface implementations.
  */
+
 #include <rtthread.h>
+#include <rthw.h>
 #include "soc3210.h"
 
 #define MAX_INTR 32
@@ -20,17 +23,17 @@ extern rt_uint32_t rt_interrupt_nest;
 rt_uint32_t rt_interrupt_from_thread, rt_interrupt_to_thread;
 rt_uint32_t rt_thread_switch_interrupt_flag;
 
-static rt_isr_handler_t irq_handle_table[MAX_INTR];
+static struct rt_irq_desc irq_handle_table[MAX_INTR];
 void rt_interrupt_dispatch(void *ptreg);
 void rt_hw_timer_handler();
 
 /**
  * @addtogroup Loongson SoC3210
  */
- 
+
 /*@{*/
 
-void rt_hw_interrupt_handler(int vector)
+static void rt_hw_interrupt_handler(int vector, void *param)
 {
 	rt_kprintf("Unhandled interrupt %d occured!!!\n", vector);
 }
@@ -40,11 +43,12 @@ void rt_hw_interrupt_handler(int vector)
  */
 void rt_hw_interrupt_init(void)
 {
-	rt_int32_t index;
+	rt_int32_t idx;
 
-	for (index = 0; index < MAX_INTR; index ++)
+    rt_memset(irq_handle_table, 0x00, sizeof(irq_handle_table));
+	for (idx = 0; idx < MAX_INTR; idx ++)
 	{
-		irq_handle_table[index] = (rt_isr_handler_t)rt_hw_interrupt_handler;
+		irq_handle_table[idx].handler = rt_hw_interrupt_handler;
 	}
 
 	/* init interrupt nest, and context in thread sp */
@@ -79,52 +83,70 @@ 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 >= 0 && vector < MAX_INTR)
-	{
-		if (old_handler != RT_NULL)
-			*old_handler = irq_handle_table[vector];
-		if (new_handler != RT_NULL)
-			irq_handle_table[vector] = (rt_isr_handler_t)new_handler;
-	}
+    rt_isr_handler_t old_handler = RT_NULL;
+
+    if(vector < MAX_INTR)
+    {
+        old_handler = irq_handle_table[vector].handler;
+
+        if (handler != RT_NULL)
+        {
+#ifdef RT_USING_INTERRUPT_INFO
+		    rt_strncpy(irq_handle_table[vector].name, name, RT_NAME_MAX);
+#endif /* RT_USING_INTERRUPT_INFO */
+		    irq_handle_table[vector].handler = handler;
+            irq_handle_table[vector].param = param;
+        }
+    }
+
+    return old_handler;
 }
 
 void rt_interrupt_dispatch(void *ptreg)
 {
-    int i;
-	rt_isr_handler_t irq_func;
-	static rt_uint32_t status = 0;
-	rt_uint32_t c0_status;
+    int irq;
+    void *param;
+    rt_isr_handler_t irq_func;
+    static rt_uint32_t status = 0;
+    rt_uint32_t c0_status;
 
-	/* check os timer */
-	c0_status = read_c0_status();
-	if (c0_status & 0x8000)
-	{
-		rt_hw_timer_handler();
-	}
+    /* check os timer */
+    c0_status = read_c0_status();
+    if (c0_status & 0x8000)
+    {
+        rt_hw_timer_handler();
+    }
 
-	if (c0_status & 0x0400)
-	{
-		/* the hardware interrupt */
-		status |= INT_ISR;
-		if (!status) return;
+    if (c0_status & 0x0400)
+    {
+        /* the hardware interrupt */
+        status |= INT_ISR;
+        if (!status) return;
 
-		for (i = MAX_INTR; i > 0; --i)
-		{
-			if ((status & (1<<i)))
-			{
-				status &= ~(1<<i);
-				irq_func = irq_handle_table[i];
+        for (irq = MAX_INTR; irq > 0; --irq)
+        {
+            if ((status & (1 << irq)))
+            {
+                status &= ~(1 << irq);
 
-				/* do interrupt */
-				(*irq_func)(i);
+                irq_func = irq_handle_table[irq].handler;
+                param = irq_handle_table[irq].param;
 
-				/* ack interrupt */
-				INT_CLR = (1 << i);
-			}
-		}
-	}
+                /* do interrupt */
+                (*irq_func)(irq, param);
+
+#ifdef RT_USING_INTERRUPT_INFO
+                irq_handle_table[irq].counter++;
+#endif /* RT_USING_INTERRUPT_INFO */
+
+                /* ack interrupt */
+                INT_CLR = (1 << irq);
+            }
+        }
+    }
 }
 
 /*@}*/
diff --git a/libcpu/mips/loongson_1b/interrupt.c b/libcpu/mips/loongson_1b/interrupt.c
index 63240053a8..c5b4bad038 100644
--- a/libcpu/mips/loongson_1b/interrupt.c
+++ b/libcpu/mips/loongson_1b/interrupt.c
@@ -11,9 +11,11 @@
  * Date           Author       Notes
  * 2010-10-15     Bernard      first version
  * 2010-10-15     lgnq         modified for LS1B
+ * 2013-03-29     aozima       Modify the interrupt interface implementations.
  */
 
 #include <rtthread.h>
+#include <rthw.h>
 #include "ls1b.h"
 
 #define MAX_INTR 32
@@ -23,7 +25,7 @@ rt_uint32_t rt_interrupt_from_thread;
 rt_uint32_t rt_interrupt_to_thread;
 rt_uint32_t rt_thread_switch_interrupt_flag;
 
-static rt_isr_handler_t irq_handle_table[MAX_INTR];
+static struct rt_irq_desc irq_handle_table[MAX_INTR];
 void rt_interrupt_dispatch(void *ptreg);
 void rt_hw_timer_handler();
 
@@ -36,7 +38,7 @@ static struct ls1b_intc_regs volatile *ls1b_hw0_icregs
 
 /*@{*/
 
-void rt_hw_interrupt_handler(int vector)
+static void rt_hw_interrupt_handler(int vector, void *param)
 {
 	rt_kprintf("Unhandled interrupt %d occured!!!\n", vector);
 }
@@ -46,7 +48,7 @@ void rt_hw_interrupt_handler(int vector)
  */
 void rt_hw_interrupt_init(void)
 {
-	rt_int32_t index;
+	rt_int32_t idx;
 
 	/* pci active low */ 
 	ls1b_hw0_icregs->int_pol = -1; 	   //must be done here 20110802 lgnq
@@ -55,9 +57,10 @@ void rt_hw_interrupt_init(void)
 	/* mask all interrupts */
 	(ls1b_hw0_icregs+0)->int_clr = 0xffffffff;
 
-	for (index = 0; index < MAX_INTR; index ++)
+    rt_memset(irq_handle_table, 0x00, sizeof(irq_handle_table));
+	for (idx = 0; idx < MAX_INTR; idx ++)
 	{
-		irq_handle_table[index] = (rt_isr_handler_t)rt_hw_interrupt_handler;
+		irq_handle_table[idx].handler = rt_hw_interrupt_handler;
 	}
 
 	/* init interrupt nest, and context in thread sp */
@@ -92,20 +95,32 @@ 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)
 {
+    rt_isr_handler_t old_handler = RT_NULL;
+
 	if (vector >= 0 && vector < MAX_INTR)
 	{
-		if (old_handler != RT_NULL)
-			*old_handler = irq_handle_table[vector];
-		if (new_handler != RT_NULL)
-			irq_handle_table[vector] = (rt_isr_handler_t)new_handler;
-	}
+        old_handler = irq_handle_table[vector].handler;
+
+        if (handler != RT_NULL)
+        {
+#ifdef RT_USING_INTERRUPT_INFO
+		    rt_strncpy(irq_handle_table[vector].name, name, RT_NAME_MAX);
+#endif /* RT_USING_INTERRUPT_INFO */
+		    irq_handle_table[vector].handler = handler;
+            irq_handle_table[vector].param = param;
+        }
+    }
+
+    return old_handler;
 }
 
 void rt_interrupt_dispatch(void *ptreg)
 {
-	int i;
+    int irq;
+    void *param;
 	rt_isr_handler_t irq_func;
 	static rt_uint32_t status = 0;
 	rt_uint32_t c0_status;
@@ -134,18 +149,24 @@ void rt_interrupt_dispatch(void *ptreg)
 		if (!status) 
 			return;
 
-		for (i = MAX_INTR; i > 0; --i)
+		for (irq = MAX_INTR; irq > 0; --irq)
 		{
-			if ((status & (1<<i)))
+			if ((status & (1 << irq)))
 			{
-				status &= ~(1<<i);
-				irq_func = irq_handle_table[i];
+				status &= ~(1 << irq);
+
+                irq_func = irq_handle_table[irq].handler;
+                param = irq_handle_table[irq].param;
 
 				/* do interrupt */
-				(*irq_func)(i);
+                (*irq_func)(irq, param);
+
+#ifdef RT_USING_INTERRUPT_INFO
+                irq_handle_table[irq].counter++;
+#endif /* RT_USING_INTERRUPT_INFO */
 
 				/* ack interrupt */
-				ls1b_hw0_icregs->int_clr |= (1 << i);
+				ls1b_hw0_icregs->int_clr |= (1 << irq);
 			}
 		}
 	}