修改格式

2 files changed, 283 insertions, 285 deletions

diff --git a/libcpu/ti-dsp/c6x/cpuport.c b/libcpu/ti-dsp/c6x/cpuport.c
index 90dc1165df..367b884a60 100644
--- a/libcpu/ti-dsp/c6x/cpuport.c
+++ b/libcpu/ti-dsp/c6x/cpuport.c
@@ -37,7 +37,7 @@ RT_WEAK void rt_hw_cpu_shutdown(void)
 
 void nested_exception_handler(void)
 {
-	for ( ; ; );
+    for(;;){}
 }
 
 /*------------ hw_nmi_handler() function --------------------------------------
@@ -48,7 +48,7 @@ void nested_exception_handler(void)
 -----------------------------------------------------------------------------*/
 void hw_nmi_handler(struct rt_hw_exp_stack_register *regs)
 {
-	for ( ; ; );
+    for(;;){}
 }
 
 /*------------ hw_bad_handler() function --------------------------------------
@@ -59,7 +59,7 @@ void hw_nmi_handler(struct rt_hw_exp_stack_register *regs)
 -----------------------------------------------------------------------------*/
 void hw_bad_handler(void)
 {
-	for ( ; ; );
+    for(;;){}
 }
 
 /*------------ hw_int4_handler() function -------------------------------------
@@ -181,7 +181,7 @@ void hw_int13_handler(void)
 void hw_int14_handler(void)
 {
 extern void rt_hw_systick_isr();
-	rt_hw_systick_isr();
+    rt_hw_systick_isr();
 }
 
 /*------------ hw_int15_handler() function ------------------------------------
diff --git a/libcpu/ti-dsp/c6x/trap.c b/libcpu/ti-dsp/c6x/trap.c
index b05225fbf7..7d4c063798 100644
--- a/libcpu/ti-dsp/c6x/trap.c
+++ b/libcpu/ti-dsp/c6x/trap.c
@@ -16,7 +16,7 @@
 
 #include <rtdef.h>
 
-#define RT_SYS_STACK_SIZE	4096
+#define RT_SYS_STACK_SIZE    4096
 
 extern void rt_hw_enable_exception(void);
 rt_uint8_t rt_system_stack[RT_SYS_STACK_SIZE];
@@ -24,111 +24,110 @@ rt_uint8_t *rt_system_stack_top;
 
 void rt_trap_init(void)
 {
-	rt_system_stack_top = &rt_system_stack[RT_SYS_STACK_SIZE-1];
-	rt_system_stack_top  = (rt_uint8_t *)RT_ALIGN_DOWN((rt_uint32_t)rt_system_stack_top, 8);
+    rt_system_stack_top = &rt_system_stack[RT_SYS_STACK_SIZE-1];
+    rt_system_stack_top  = (rt_uint8_t *)RT_ALIGN_DOWN((rt_uint32_t)rt_system_stack_top, 8);
 
-	ack_exception(EXCEPT_TYPE_NXF);
-	ack_exception(EXCEPT_TYPE_EXC);
-	ack_exception(EXCEPT_TYPE_IXF);
-	ack_exception(EXCEPT_TYPE_SXF);
-	rt_hw_enable_exception();
+    ack_exception(EXCEPT_TYPE_NXF);
+    ack_exception(EXCEPT_TYPE_EXC);
+    ack_exception(EXCEPT_TYPE_IXF);
+    ack_exception(EXCEPT_TYPE_SXF);
+    rt_hw_enable_exception();
 }
 
 void show_regs(struct rt_hw_exp_stack_register *regs)
 {
-	rt_kprintf("\n");
-	rt_kprintf("PC: %08lx SP: %08lx\n",
-	       regs->pc, regs->hw_register.sp);
-	rt_kprintf("Status: %08lx ORIG_A4: %08lx\n",
-	       regs->csr, regs->orig_a4);
-	rt_kprintf("A0: %08lx  B0: %08lx\n",
-	       regs->hw_register.a0, regs->hw_register.b0);
-	rt_kprintf("A1: %08lx  B1: %08lx\n",
-	       regs->hw_register.a1, regs->hw_register.b1);
-	rt_kprintf("A2: %08lx  B2: %08lx\n",
-	       regs->hw_register.a2, regs->hw_register.b2);
-	rt_kprintf("A3: %08lx  B3: %08lx\n",
-	       regs->hw_register.a3, regs->hw_register.b3);
-	rt_kprintf("A4: %08lx  B4: %08lx\n",
-	       regs->hw_register.a4, regs->hw_register.b4);
-	rt_kprintf("A5: %08lx  B5: %08lx\n",
-	       regs->hw_register.a5, regs->hw_register.b5);
-	rt_kprintf("A6: %08lx  B6: %08lx\n",
-	       regs->hw_register.a6, regs->hw_register.b6);
-	rt_kprintf("A7: %08lx  B7: %08lx\n",
-	       regs->hw_register.a7, regs->hw_register.b7);
-	rt_kprintf("A8: %08lx  B8: %08lx\n",
-	       regs->hw_register.a8, regs->hw_register.b8);
-	rt_kprintf("A9: %08lx  B9: %08lx\n",
-	       regs->hw_register.a9, regs->hw_register.b9);
-	rt_kprintf("A10: %08lx  B10: %08lx\n",
-	       regs->hw_register.a10, regs->hw_register.b10);
-	rt_kprintf("A11: %08lx  B11: %08lx\n",
-	       regs->hw_register.a11, regs->hw_register.b11);
-	rt_kprintf("A12: %08lx  B12: %08lx\n",
-	       regs->hw_register.a12, regs->hw_register.b12);
-	rt_kprintf("A13: %08lx  B13: %08lx\n",
-	       regs->hw_register.a13, regs->hw_register.b13);
-	rt_kprintf("A14: %08lx  B14: %08lx\n",
-	       regs->hw_register.a14, regs->hw_register.dp);
-	rt_kprintf("A15: %08lx  B15: %08lx\n",
-	       regs->hw_register.a15, regs->hw_register.sp);
-	rt_kprintf("A16: %08lx  B16: %08lx\n",
-	       regs->hw_register.a16, regs->hw_register.b16);
-	rt_kprintf("A17: %08lx  B17: %08lx\n",
-	       regs->hw_register.a17, regs->hw_register.b17);
-	rt_kprintf("A18: %08lx  B18: %08lx\n",
-	       regs->hw_register.a18, regs->hw_register.b18);
-	rt_kprintf("A19: %08lx  B19: %08lx\n",
-	       regs->hw_register.a19, regs->hw_register.b19);
-	rt_kprintf("A20: %08lx  B20: %08lx\n",
-	       regs->hw_register.a20, regs->hw_register.b20);
-	rt_kprintf("A21: %08lx  B21: %08lx\n",
-	       regs->hw_register.a21, regs->hw_register.b21);
-	rt_kprintf("A22: %08lx  B22: %08lx\n",
-	       regs->hw_register.a22, regs->hw_register.b22);
-	rt_kprintf("A23: %08lx  B23: %08lx\n",
-	       regs->hw_register.a23, regs->hw_register.b23);
-	rt_kprintf("A24: %08lx  B24: %08lx\n",
-	       regs->hw_register.a24, regs->hw_register.b24);
-	rt_kprintf("A25: %08lx  B25: %08lx\n",
-	       regs->hw_register.a25, regs->hw_register.b25);
-	rt_kprintf("A26: %08lx  B26: %08lx\n",
-	       regs->hw_register.a26, regs->hw_register.b26);
-	rt_kprintf("A27: %08lx  B27: %08lx\n",
-	       regs->hw_register.a27, regs->hw_register.b27);
-	rt_kprintf("A28: %08lx  B28: %08lx\n",
-	       regs->hw_register.a28, regs->hw_register.b28);
-	rt_kprintf("A29: %08lx  B29: %08lx\n",
-	       regs->hw_register.a29, regs->hw_register.b29);
-	rt_kprintf("A30: %08lx  B30: %08lx\n",
-	       regs->hw_register.a30, regs->hw_register.b30);
-	rt_kprintf("A31: %08lx  B31: %08lx\n",
-	       regs->hw_register.a31, regs->hw_register.b31);
+    rt_kprintf("\n");
+    rt_kprintf("PC: %08lx SP: %08lx\n",
+           regs->pc, regs->hw_register.sp);
+    rt_kprintf("Status: %08lx ORIG_A4: %08lx\n",
+           regs->csr, regs->orig_a4);
+    rt_kprintf("A0: %08lx  B0: %08lx\n",
+           regs->hw_register.a0, regs->hw_register.b0);
+    rt_kprintf("A1: %08lx  B1: %08lx\n",
+           regs->hw_register.a1, regs->hw_register.b1);
+    rt_kprintf("A2: %08lx  B2: %08lx\n",
+           regs->hw_register.a2, regs->hw_register.b2);
+    rt_kprintf("A3: %08lx  B3: %08lx\n",
+           regs->hw_register.a3, regs->hw_register.b3);
+    rt_kprintf("A4: %08lx  B4: %08lx\n",
+           regs->hw_register.a4, regs->hw_register.b4);
+    rt_kprintf("A5: %08lx  B5: %08lx\n",
+           regs->hw_register.a5, regs->hw_register.b5);
+    rt_kprintf("A6: %08lx  B6: %08lx\n",
+           regs->hw_register.a6, regs->hw_register.b6);
+    rt_kprintf("A7: %08lx  B7: %08lx\n",
+           regs->hw_register.a7, regs->hw_register.b7);
+    rt_kprintf("A8: %08lx  B8: %08lx\n",
+           regs->hw_register.a8, regs->hw_register.b8);
+    rt_kprintf("A9: %08lx  B9: %08lx\n",
+           regs->hw_register.a9, regs->hw_register.b9);
+    rt_kprintf("A10: %08lx  B10: %08lx\n",
+           regs->hw_register.a10, regs->hw_register.b10);
+    rt_kprintf("A11: %08lx  B11: %08lx\n",
+           regs->hw_register.a11, regs->hw_register.b11);
+    rt_kprintf("A12: %08lx  B12: %08lx\n",
+           regs->hw_register.a12, regs->hw_register.b12);
+    rt_kprintf("A13: %08lx  B13: %08lx\n",
+           regs->hw_register.a13, regs->hw_register.b13);
+    rt_kprintf("A14: %08lx  B14: %08lx\n",
+           regs->hw_register.a14, regs->hw_register.dp);
+    rt_kprintf("A15: %08lx  B15: %08lx\n",
+           regs->hw_register.a15, regs->hw_register.sp);
+    rt_kprintf("A16: %08lx  B16: %08lx\n",
+           regs->hw_register.a16, regs->hw_register.b16);
+    rt_kprintf("A17: %08lx  B17: %08lx\n",
+           regs->hw_register.a17, regs->hw_register.b17);
+    rt_kprintf("A18: %08lx  B18: %08lx\n",
+           regs->hw_register.a18, regs->hw_register.b18);
+    rt_kprintf("A19: %08lx  B19: %08lx\n",
+           regs->hw_register.a19, regs->hw_register.b19);
+    rt_kprintf("A20: %08lx  B20: %08lx\n",
+           regs->hw_register.a20, regs->hw_register.b20);
+    rt_kprintf("A21: %08lx  B21: %08lx\n",
+           regs->hw_register.a21, regs->hw_register.b21);
+    rt_kprintf("A22: %08lx  B22: %08lx\n",
+           regs->hw_register.a22, regs->hw_register.b22);
+    rt_kprintf("A23: %08lx  B23: %08lx\n",
+           regs->hw_register.a23, regs->hw_register.b23);
+    rt_kprintf("A24: %08lx  B24: %08lx\n",
+           regs->hw_register.a24, regs->hw_register.b24);
+    rt_kprintf("A25: %08lx  B25: %08lx\n",
+           regs->hw_register.a25, regs->hw_register.b25);
+    rt_kprintf("A26: %08lx  B26: %08lx\n",
+           regs->hw_register.a26, regs->hw_register.b26);
+    rt_kprintf("A27: %08lx  B27: %08lx\n",
+           regs->hw_register.a27, regs->hw_register.b27);
+    rt_kprintf("A28: %08lx  B28: %08lx\n",
+           regs->hw_register.a28, regs->hw_register.b28);
+    rt_kprintf("A29: %08lx  B29: %08lx\n",
+           regs->hw_register.a29, regs->hw_register.b29);
+    rt_kprintf("A30: %08lx  B30: %08lx\n",
+           regs->hw_register.a30, regs->hw_register.b30);
+    rt_kprintf("A31: %08lx  B31: %08lx\n",
+           regs->hw_register.a31, regs->hw_register.b31);
 }
 
 
 void do_trap(struct rt_exception_info *except_info, struct rt_hw_exp_stack_register *regs)
 {
-	rt_kprintf("Enter exception: %s\n", except_info->kernel_str);
+    rt_kprintf("Enter exception: %s\n", except_info->kernel_str);
 
-	show_regs(regs);
+    show_regs(regs);
 
-	for( ; ; );
+    for(;;){}
 }
 
-
 static struct rt_exception_info iexcept_table[10] = {
-	{ " - instruction fetch", 		ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - fetch packet", 			ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - execute packet", 			ABORT_TYPE_UNDDEF, ABORT_OPCODE_ILL },
-	{ " - undefined instruction", 	ABORT_TYPE_UNDDEF, ABORT_OPCODE_ILL },
-	{ " - resource conflict", 		ABORT_TYPE_UNDDEF, ABORT_OPCODE_ILL },
-	{ " - resource access", 		ABORT_TYPE_UNDDEF, ABORT_PRVREG_ILL },
-	{ " - privilege", 				ABORT_TYPE_UNDDEF, ABORT_PRVOPC_ILL },
-	{ " - loops buffer", 			ABORT_TYPE_UNDDEF, ABORT_PRVOPC_ILL },
-	{ " - software exception", 		ABORT_TYPE_UNDDEF, ABORT_ILLTRP_ILL },
-	{ " - unknown exception", 		ABORT_TYPE_UNDDEF, ABORT_PRVOPC_ILL }
+    { " - instruction fetch",         ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - fetch packet",             ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - execute packet",             ABORT_TYPE_UNDDEF, ABORT_OPCODE_ILL },
+    { " - undefined instruction",     ABORT_TYPE_UNDDEF, ABORT_OPCODE_ILL },
+    { " - resource conflict",         ABORT_TYPE_UNDDEF, ABORT_OPCODE_ILL },
+    { " - resource access",         ABORT_TYPE_UNDDEF, ABORT_PRVREG_ILL },
+    { " - privilege",                 ABORT_TYPE_UNDDEF, ABORT_PRVOPC_ILL },
+    { " - loops buffer",             ABORT_TYPE_UNDDEF, ABORT_PRVOPC_ILL },
+    { " - software exception",         ABORT_TYPE_UNDDEF, ABORT_ILLTRP_ILL },
+    { " - unknown exception",         ABORT_TYPE_UNDDEF, ABORT_PRVOPC_ILL }
 };
 
 /*
@@ -136,163 +135,162 @@ static struct rt_exception_info iexcept_table[10] = {
  */
 static int process_iexcept(struct rt_hw_exp_stack_register *regs)
 {
-	unsigned int iexcept_report = get_iexcept();
-	unsigned int iexcept_num;
-
-	ack_exception(EXCEPT_TYPE_IXF);
+    unsigned int iexcept_report = get_iexcept();
+    unsigned int iexcept_num;
 
-	while(iexcept_report) {
-		iexcept_num = __ffs(iexcept_report);
-		iexcept_report &= ~(1 << iexcept_num);
-		set_iexcept(iexcept_report);
+    ack_exception(EXCEPT_TYPE_IXF);
 
-		if (*(unsigned int *)regs->pc == BKPT_OPCODE) {
-			/* This is a breakpoint */
-			struct rt_exception_info bkpt_exception = { " - undefined instruction", ABORT_TYPE_UNDDEF, ABORT_BRKPT_ILL };
-			do_trap(&bkpt_exception, regs);
-			iexcept_report &= ~(0xFF);
-			set_iexcept(iexcept_report);
-			continue;
-		}
+    while(iexcept_report) {
+        iexcept_num = __ffs(iexcept_report);
+        iexcept_report &= ~(1 << iexcept_num);
+        set_iexcept(iexcept_report);
 
-		do_trap(&iexcept_table[iexcept_num], regs);
-	}
-	return 0;
+        if (*(unsigned int *)regs->pc == BKPT_OPCODE) {
+            /* This is a breakpoint */
+            struct rt_exception_info bkpt_exception = { " - undefined instruction", ABORT_TYPE_UNDDEF, ABORT_BRKPT_ILL };
+            do_trap(&bkpt_exception, regs);
+            iexcept_report &= ~(0xFF);
+            set_iexcept(iexcept_report);
+            continue;
+        }
+        do_trap(&iexcept_table[iexcept_num], regs);
+    }
+    return 0;
 }
 
 static struct rt_exception_info except_table[128] = {
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
 
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
 
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
 
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
-	{ " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
+    { " - external exception", ABORT_TYPE_BUS, ABORT_BUS_ADDRERR },
 
-	{ " - CPU memory protection fault", 		ABORT_TYPE_MAP, ABORT_BUS_ACCERR },
-	{ " - CPU memory protection fault in L1P", 	ABORT_TYPE_MAP, ABORT_BUS_ACCERR },
-	{ " - DMA memory protection fault in L1P", 	ABORT_TYPE_MAP, ABORT_BUS_ACCERR },
-	{ " - CPU memory protection fault in L1D", 	ABORT_TYPE_MAP, ABORT_BUS_ACCERR },
-	{ " - DMA memory protection fault in L1D", 	ABORT_TYPE_MAP, ABORT_BUS_ACCERR },
-	{ " - CPU memory protection fault in L2", 	ABORT_TYPE_MAP, ABORT_BUS_ACCERR },
-	{ " - DMA memory protection fault in L2", 	ABORT_TYPE_MAP, ABORT_BUS_ACCERR },
-	{ " - EMC CPU memory protection fault", 	ABORT_TYPE_MAP, ABORT_BUS_ACCERR },
-	{ " - EMC bus error", 						ABORT_TYPE_MAP, ABORT_BUS_ADDRERR }
+    { " - CPU memory protection fault",        ABORT_TYPE_MAP, ABORT_BUS_ACCERR },
+    { " - CPU memory protection fault in L1P", ABORT_TYPE_MAP, ABORT_BUS_ACCERR },
+    { " - DMA memory protection fault in L1P", ABORT_TYPE_MAP, ABORT_BUS_ACCERR },
+    { " - CPU memory protection fault in L1D", ABORT_TYPE_MAP, ABORT_BUS_ACCERR },
+    { " - DMA memory protection fault in L1D", ABORT_TYPE_MAP, ABORT_BUS_ACCERR },
+    { " - CPU memory protection fault in L2",  ABORT_TYPE_MAP, ABORT_BUS_ACCERR },
+    { " - DMA memory protection fault in L2",  ABORT_TYPE_MAP, ABORT_BUS_ACCERR },
+    { " - EMC CPU memory protection fault",    ABORT_TYPE_MAP, ABORT_BUS_ACCERR },
+    { " - EMC bus error",                      ABORT_TYPE_MAP, ABORT_BUS_ADDRERR }
 };
 
 /*
@@ -300,22 +298,22 @@ static struct rt_exception_info except_table[128] = {
  */
 static void process_except(struct rt_hw_exp_stack_register *regs)
 {
-	int except_num;
-	int bank = 0;
-	int i;
+    int except_num;
+    int bank = 0;
+    int i;
 
-	for (i = 0; i <= 3; i++) {
-		while (INTC_MEXPMASK[i]) {
-			__dint();
-			except_num = __ffs(INTC_MEXPMASK[i]);
-			INTC_MEXPMASK[i] &= ~(1 << except_num); /* ack the external exception */
-			__rint();
-			do_trap(&except_table[except_num + (bank << 5)], regs);
-		}
-		bank++;
-	}
+    for (i = 0; i <= 3; i++) {
+        while (INTC_MEXPMASK[i]) {
+            __dint();
+            except_num = __ffs(INTC_MEXPMASK[i]);
+            INTC_MEXPMASK[i] &= ~(1 << except_num); /* ack the external exception */
+            __rint();
+            do_trap(&except_table[except_num + (bank << 5)], regs);
+        }
+        bank++;
+    }
 
-	ack_exception(EXCEPT_TYPE_EXC);
+    ack_exception(EXCEPT_TYPE_EXC);
 }
 
 extern void hw_nmi_handler(struct rt_hw_exp_stack_register *regs);
@@ -325,39 +323,39 @@ extern void hw_nmi_handler(struct rt_hw_exp_stack_register *regs);
  */
 int rt_hw_process_exception(struct rt_hw_exp_stack_register *regs)
 {
-	int type;
-	int type_num;
-	int ie_num = 9; /* default is unknown exception */
+    int type;
+    int type_num;
+    int ie_num = 9; /* default is unknown exception */
 
-	while ((type = get_except_type()) != 0) {
-		type_num = __fls(type) - 1;
+    while ((type = get_except_type()) != 0) {
+        type_num = __fls(type) - 1;
 
-		switch(type_num) {
-		case EXCEPT_TYPE_NXF:                   /* NMI exception   */
-			ack_exception(EXCEPT_TYPE_NXF);	    /* clear exception */
-			if (hw_nmi_handler != RT_NULL)
-				hw_nmi_handler(regs);
-			break;
+        switch(type_num) {
+        case EXCEPT_TYPE_NXF:                   /* NMI exception   */
+            ack_exception(EXCEPT_TYPE_NXF);        /* clear exception */
+            if (hw_nmi_handler != RT_NULL)
+                hw_nmi_handler(regs);
+            break;
 
-		case EXCEPT_TYPE_IXF:                   /* internal exception */
-			if (process_iexcept(regs))
-				return 1;
-			break;
+        case EXCEPT_TYPE_IXF:                   /* internal exception */
+            if (process_iexcept(regs))
+                return 1;
+            break;
 
-		case EXCEPT_TYPE_EXC:                   /* external exception  */
-			process_except(regs);
-			break;
+        case EXCEPT_TYPE_EXC:                   /* external exception  */
+            process_except(regs);
+            break;
 
-		case EXCEPT_TYPE_SXF:                   /* software exception */
-			ie_num = 8;
-			ack_exception(type_num);
-			break;
-		default:                                /* clear exception */
-			ack_exception(type_num);
-			do_trap(&iexcept_table[ie_num], regs);
-			break;
-		}
-	}
-	return 0;
+        case EXCEPT_TYPE_SXF:                   /* software exception */
+            ie_num = 8;
+            ack_exception(type_num);
+            break;
+        default:                                /* clear exception */
+            ack_exception(type_num);
+            do_trap(&iexcept_table[ie_num], regs);
+            break;
+        }
+    }
+    return 0;
 }