1,5 → 1,6 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* Copyright (c) 2009 Pavel Rimsky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
33,8 → 34,8 |
*/ |
|
#include <arch/interrupt.h> |
#include <arch/trap/interrupt.h> |
#include <arch/sparc64.h> |
#include <arch/trap/interrupt.h> |
#include <interrupt.h> |
#include <ddi/irq.h> |
#include <arch/types.h> |
59,66 → 60,5 |
|
exc_register(n - 1, name, f); |
} |
|
/** Process hardware interrupt. |
* |
* @param n Ignored. |
* @param istate Ignored. |
*/ |
void interrupt(int n, istate_t *istate) |
{ |
uint64_t status; |
uint64_t intrcv; |
uint64_t data0; |
status = asi_u64_read(ASI_INTR_DISPATCH_STATUS, 0); |
if (status & (!INTR_DISPATCH_STATUS_BUSY)) |
panic("Interrupt Dispatch Status busy bit not set\n"); |
|
intrcv = asi_u64_read(ASI_INTR_RECEIVE, 0); |
#if defined (US) |
data0 = asi_u64_read(ASI_INTR_R, ASI_UDB_INTR_R_DATA_0); |
#elif defined (US3) |
data0 = asi_u64_read(ASI_INTR_R, VA_INTR_R_DATA_0); |
#endif |
|
irq_t *irq = irq_dispatch_and_lock(data0); |
if (irq) { |
/* |
* The IRQ handler was found. |
*/ |
irq->handler(irq, irq->arg); |
/* |
* See if there is a clear-interrupt-routine and call it. |
*/ |
if (irq->cir) { |
irq->cir(irq->cir_arg, irq->inr); |
} |
spinlock_unlock(&irq->lock); |
} else if (data0 > config.base) { |
/* |
* This is a cross-call. |
* data0 contains address of the kernel function. |
* We call the function only after we verify |
* it is one of the supported ones. |
*/ |
#ifdef CONFIG_SMP |
if (data0 == (uintptr_t) tlb_shootdown_ipi_recv) { |
tlb_shootdown_ipi_recv(); |
} |
#endif |
} else { |
/* |
* Spurious interrupt. |
*/ |
#ifdef CONFIG_DEBUG |
printf("cpu%u: spurious interrupt (intrcv=%#" PRIx64 |
", data0=%#" PRIx64 ")\n", CPU->id, intrcv, data0); |
#endif |
} |
|
membar(); |
asi_u64_write(ASI_INTR_RECEIVE, 0, 0); |
} |
|
/** @} |
*/ |