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Diffstat (limited to 'include/asm-powerpc/hw_irq.h')
-rw-r--r--include/asm-powerpc/hw_irq.h44
1 files changed, 34 insertions, 10 deletions
diff --git a/include/asm-powerpc/hw_irq.h b/include/asm-powerpc/hw_irq.h
index d40359204ab..d604863d72f 100644
--- a/include/asm-powerpc/hw_irq.h
+++ b/include/asm-powerpc/hw_irq.h
@@ -7,16 +7,40 @@
#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())
@@ -24,17 +48,14 @@ extern void local_irq_restore(unsigned long);
#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)
@@ -81,7 +102,10 @@ static inline void local_irq_save_ptr(unsigned long *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) \
({ \