clean up code

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@909 bbd45198-f89e-11dd-88c7-29a3b14d5316

libcpu/arm/s3c24x0/mmu.c

@@ -17,7 +17,7 @@
 #include "s3c24x0.h"
 
 // #define _MMUTT_STARTADDRESS	 0x30080000
-#define _MMUTT_STARTADDRESS	 0x30200000
+#define _MMUTT_STARTADDRESS	 0x30400000
 
 #define DESC_SEC		(0x2|(1<<4))
 #define CB				(3<<2)  //cache_on, write_back

libcpu/arm/s3c24x0/system_clock.c

@@ -101,8 +101,8 @@ void rt_hw_set_divider(rt_uint8_t hdivn, rt_uint8_t pdivn)
 void rt_hw_clock_init(void)
 {
 	LOCKTIME = 0xFFFFFFFF;
-	rt_hw_set_divider(HDIVN, PDIVN);
-	rt_hw_set_upll_clock(UPL_SDIV, UPL_PDIV, UPL_MDIV);
 	rt_hw_set_mpll_clock(MPL_SDIV, MPL_PDIV, MPL_MIDV);
+	rt_hw_set_upll_clock(UPL_SDIV, UPL_PDIV, UPL_MDIV);
+	rt_hw_set_divider(HDIVN, PDIVN);
 }
 

libcpu/arm/s3c24x0/trap.c

@@ -57,8 +57,12 @@ void rt_hw_trap_udef(struct rt_hw_register *regs)
 
 	rt_kprintf("undefined instruction\n");
 	rt_kprintf("thread - %s stack:\n", rt_current_thread->name);
-	rt_hw_backtrace((rt_uint32_t *)regs->fp, (rt_uint32_t)rt_current_thread->entry);
 
+#ifdef RT_USING_FINSH
+	list_thread();
+#endif
+	while (1);
+	
 	rt_hw_cpu_shutdown();
 }
 
@@ -93,8 +97,12 @@ void rt_hw_trap_pabt(struct rt_hw_register *regs)
 
 	rt_kprintf("prefetch abort\n");
 	rt_kprintf("thread - %s stack:\n", rt_current_thread->name);
-	rt_hw_backtrace((rt_uint32_t *)regs->fp, (rt_uint32_t)rt_current_thread->entry);
 
+#ifdef RT_USING_FINSH
+	list_thread();
+#endif
+	while (1);
+	
 	rt_hw_cpu_shutdown();
 }
 
@@ -112,8 +120,12 @@ void rt_hw_trap_dabt(struct rt_hw_register *regs)
 
 	rt_kprintf("data abort\n");
 	rt_kprintf("thread - %s stack:\n", rt_current_thread->name);
-	rt_hw_backtrace((rt_uint32_t *)regs->fp, (rt_uint32_t)rt_current_thread->entry);
 
+#ifdef RT_USING_FINSH
+	list_thread();
+#endif
+	while (1);
+	
 	rt_hw_cpu_shutdown();
 }