#ifdef __KERNEL__
#include <linux/errno.h>
+#include <linux/compiler.h>
#include <asm/ptrace.h>
#include <asm/processor.h>
extern void timer_interrupt(struct pt_regs *);
-#ifdef CONFIG_PPC_ISERIES
+#ifdef CONFIG_PPC64
+#include <asm/paca.h>
+
+static inline unsigned long local_get_flags(void)
+{
+ unsigned long flags;
+
+ __asm__ __volatile__("lbz %0,%1(13)"
+ : "=r" (flags)
+ : "i" (offsetof(struct paca_struct, soft_enabled)));
+
+ return flags;
+}
+
+static inline unsigned long local_irq_disable(void)
+{
+ unsigned long flags, zero;
+
+ __asm__ __volatile__("li %1,0; lbz %0,%2(13); stb %1,%2(13)"
+ : "=r" (flags), "=&r" (zero)
+ : "i" (offsetof(struct paca_struct, soft_enabled))
+ : "memory");
+
+ return flags;
+}
-extern unsigned long local_get_flags(void);
-extern unsigned long local_irq_disable(void);
extern void local_irq_restore(unsigned long);
+extern void iseries_handle_interrupts(void);
#define local_irq_enable() local_irq_restore(1)
#define local_save_flags(flags) ((flags) = local_get_flags())
#define irqs_disabled() (local_get_flags() == 0)
+#define hard_irq_enable() __mtmsrd(mfmsr() | MSR_EE, 1)
+#define hard_irq_disable() __mtmsrd(mfmsr() & ~MSR_EE, 1)
+
#else
#if defined(CONFIG_BOOKE)
#define SET_MSR_EE(x) mtmsr(x)
#define local_irq_restore(flags) __asm__ __volatile__("wrtee %0" : : "r" (flags) : "memory")
-#elif defined(__powerpc64__)
-#define SET_MSR_EE(x) __mtmsrd(x, 1)
-#define local_irq_restore(flags) do { \
- __asm__ __volatile__("": : :"memory"); \
- __mtmsrd((flags), 1); \
-} while(0)
#else
#define SET_MSR_EE(x) mtmsr(x)
#define local_irq_restore(flags) mtmsr(flags)
#define local_irq_save(flags) local_irq_save_ptr(&flags)
#define irqs_disabled() ((mfmsr() & MSR_EE) == 0)
-#endif /* CONFIG_PPC_ISERIES */
+#define hard_irq_enable() local_irq_enable()
+#define hard_irq_disable() local_irq_disable()
+
+#endif /* CONFIG_PPC64 */
#define mask_irq(irq) \
({ \
irq_desc_t *desc = get_irq_desc(irq); \
- if (desc->handler && desc->handler->disable) \
- desc->handler->disable(irq); \
+ if (desc->chip && desc->chip->disable) \
+ desc->chip->disable(irq); \
})
#define unmask_irq(irq) \
({ \
irq_desc_t *desc = get_irq_desc(irq); \
- if (desc->handler && desc->handler->enable) \
- desc->handler->enable(irq); \
+ if (desc->chip && desc->chip->enable) \
+ desc->chip->enable(irq); \
})
#define ack_irq(irq) \
({ \
irq_desc_t *desc = get_irq_desc(irq); \
- if (desc->handler && desc->handler->ack) \
- desc->handler->ack(irq); \
+ if (desc->chip && desc->chip->ack) \
+ desc->chip->ack(irq); \
})
-/* Should we handle this via lost interrupts and IPIs or should we don't care like
- * we do now ? --BenH.
+/*
+ * interrupt-retrigger: should we handle this via lost interrupts and IPIs
+ * or should we not care like we do now ? --BenH.
*/
struct hw_interrupt_type;
-static inline void hw_resend_irq(struct hw_interrupt_type *h, unsigned int i) {}
#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_HW_IRQ_H */