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