Early debug changes

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3061 42af7a65-404d-4744-a932-0658087f49c3

arch/avr/src/at32uc3/at32uc3_gpio.c

@@ -143,7 +143,7 @@ int at32uc3_configgpio(uint16_t cfgset)
   putreg32(pinmask, base + AVR32_GPIO_PUERC_OFFSET);
   putreg32(pinmask, base + AVR32_GPIO_IERC_OFFSET);
   putreg32(pinmask, base + AVR32_GPIO_IMR0C_OFFSET);
-  putreg32(pinmask, base + AVR32_GPIO_IMR0C_OFFSET);
+  putreg32(pinmask, base + AVR32_GPIO_IMR1C_OFFSET);
   putreg32(pinmask, base + AVR32_GPIO_GFERC_OFFSET);
 
   /* Is this a GPIO?  Or a peripheral */

arch/avr/src/avr32/up_nommuhead.S

@@ -80,12 +80,11 @@ __start:
 	 * by the IDLE thread when threading is enabled.
 	 */
 
-	lddpc		r0, .Lstackbase
-	ld.w 		sp, r0[0]
+	lddpc		sp, .Lstackbase
 
 	/* Set up the vector base address so interrupts can be enabled. */
 
-	lda.w		r0, .Lvectortab
+	lda.w		r0, vectortab
 	mtsr		AVR32_EVBA, r0
 
 	/* Enable exception processing */
@@ -130,18 +129,16 @@ __start:
 
 	/* Perform low-level initialization */
 
-	mcall		up_lowinit
+	mcall		.Lup_lowinit
 
 	/* Then jump to OS entry (will not return) */
 
-	lddpc		pc, .Los_start
+	lda.w		pc, os_start
 
 .Lstackbase:
 	.word	_ebss+CONFIG_IDLETHREAD_STACKSIZE-4
-.Lvectortab:
-    .word   vectortab
-.Los_start:
-    .word   os_start
+.Lup_lowinit:
+	.word	up_lowinit
 	.size	__start, .-__start
 
 	/* This global variable is unsigned long g_heapbase and is