ARM: cleanup duplicated exception handlingcode

Move duplicated exception handling code into lib_arm.

Signed-off-by: Andreas Engel <andreas.engel@ericsson.com>

1 files changed, 4 insertions, 128 deletions

diff --git a/cpu/ixp/interrupts.c b/cpu/ixp/interrupts.c
index 2dd9561..84fe937 100644
--- a/cpu/ixp/interrupts.c
+++ b/cpu/ixp/interrupts.c
@@ -33,6 +33,8 @@
 #include <asm/arch/ixp425.h>
 
 #ifdef CONFIG_USE_IRQ
+#include <asm/proc-armv/ptrace.h>
+
 /*
  * When interrupts are enabled, use timer 2 for time/delay generation...
  */
@@ -50,34 +52,6 @@ static struct _irq_handler IRQ_HANDLER[N_IRQS];
 
 static volatile ulong timestamp;
 
-/* enable IRQ/FIQ interrupts */
-void enable_interrupts(void)
-{
-	unsigned long temp;
-	__asm__ __volatile__("mrs %0, cpsr\n"
-			     "bic %0, %0, #0x80\n"
-			     "msr cpsr_c, %0"
-			     : "=r" (temp)
-			     :
-			     : "memory");
-}
-
-/*
- * disable IRQ/FIQ interrupts
- * returns true if interrupts had been enabled before we disabled them
- */
-int disable_interrupts(void)
-{
-	unsigned long old,temp;
-	__asm__ __volatile__("mrs %0, cpsr\n"
-			     "orr %1, %0, #0x80\n"
-			     "msr cpsr_c, %1"
-			     : "=r" (old), "=r" (temp)
-			     :
-			     : "memory");
-	return (old & 0x80) == 0;
-}
-
 static void default_isr(void *data)
 {
 	printf("default_isr():  called for IRQ %d, Interrupt Status=%x PR=%x\n",
@@ -111,114 +85,16 @@ void reset_timer (void)
 	timestamp = 0;
 }
 
-#else /* #ifdef CONFIG_USE_IRQ */
-void enable_interrupts (void)
-{
-	return;
-}
-int disable_interrupts (void)
-{
-	return 0;
-}
 #endif /* #ifdef CONFIG_USE_IRQ */
 
-void bad_mode (void)
-{
-	panic ("Resetting CPU ...\n");
-	reset_cpu (0);
-}
-
-void show_regs (struct pt_regs *regs)
-{
-	unsigned long flags;
-	const char *processor_modes[] = {
-	"USER_26",	"FIQ_26",	"IRQ_26",	"SVC_26",
-	"UK4_26",	"UK5_26",	"UK6_26",	"UK7_26",
-	"UK8_26",	"UK9_26",	"UK10_26",	"UK11_26",
-	"UK12_26",	"UK13_26",	"UK14_26",	"UK15_26",
-	"USER_32",	"FIQ_32",	"IRQ_32",	"SVC_32",
-	"UK4_32",	"UK5_32",	"UK6_32",	"ABT_32",
-	"UK8_32",	"UK9_32",	"UK10_32",	"UND_32",
-	"UK12_32",	"UK13_32",	"UK14_32",	"SYS_32"
-	};
-
-	flags = condition_codes (regs);
-
-	printf ("pc : [<%08lx>]    lr : [<%08lx>]\n"
-		"sp : %08lx  ip : %08lx  fp : %08lx\n",
-		instruction_pointer (regs),
-		regs->ARM_lr, regs->ARM_sp, regs->ARM_ip, regs->ARM_fp);
-	printf ("r10: %08lx  r9 : %08lx  r8 : %08lx\n",
-		regs->ARM_r10, regs->ARM_r9, regs->ARM_r8);
-	printf ("r7 : %08lx  r6 : %08lx  r5 : %08lx  r4 : %08lx\n",
-		regs->ARM_r7, regs->ARM_r6, regs->ARM_r5, regs->ARM_r4);
-	printf ("r3 : %08lx  r2 : %08lx  r1 : %08lx  r0 : %08lx\n",
-		regs->ARM_r3, regs->ARM_r2, regs->ARM_r1, regs->ARM_r0);
-	printf ("Flags: %c%c%c%c",
-		flags & CC_N_BIT ? 'N' : 'n',
-		flags & CC_Z_BIT ? 'Z' : 'z',
-		flags & CC_C_BIT ? 'C' : 'c', flags & CC_V_BIT ? 'V' : 'v');
-	printf ("  IRQs %s  FIQs %s  Mode %s%s\n",
-		interrupts_enabled (regs) ? "on" : "off",
-		fast_interrupts_enabled (regs) ? "on" : "off",
-		processor_modes[processor_mode (regs)],
-		thumb_mode (regs) ? " (T)" : "");
-}
-
-void do_undefined_instruction (struct pt_regs *pt_regs)
-{
-	printf ("undefined instruction\n");
-	show_regs (pt_regs);
-	bad_mode ();
-}
-
-void do_software_interrupt (struct pt_regs *pt_regs)
-{
-	printf ("software interrupt\n");
-	show_regs (pt_regs);
-	bad_mode ();
-}
-
-void do_prefetch_abort (struct pt_regs *pt_regs)
-{
-	printf ("prefetch abort\n");
-	show_regs (pt_regs);
-	bad_mode ();
-}
-
-void do_data_abort (struct pt_regs *pt_regs)
-{
-	printf ("data abort\n");
-	show_regs (pt_regs);
-	bad_mode ();
-}
-
-void do_not_used (struct pt_regs *pt_regs)
-{
-	printf ("not used\n");
-	show_regs (pt_regs);
-	bad_mode ();
-}
-
-void do_fiq (struct pt_regs *pt_regs)
-{
-	printf ("fast interrupt request\n");
-	show_regs (pt_regs);
-	printf("IRQ=%08lx FIQ=%08lx\n", *IXP425_ICIH, *IXP425_ICFH);
-}
-
+#ifdef CONFIG_USE_IRQ
 void do_irq (struct pt_regs *pt_regs)
 {
-#ifdef CONFIG_USE_IRQ
 	int irq = next_irq();
 
 	IRQ_HANDLER[irq].m_func(IRQ_HANDLER[irq].m_data);
-#else
-	printf ("interrupt request\n");
-	show_regs (pt_regs);
-	bad_mode ();
-#endif
 }
+#endif
 
 int interrupt_init (void)
 {