powerpc: Remaining 64-bit Book3E support

This contains all the bits that didn't fit in previous patches :-) This
includes the actual exception handlers assembly, the changes to the
kernel entry, other misc bits and wiring it all up in Kconfig.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

2 files changed, 6 insertions, 0 deletions

diff --git a/arch/powerpc/include/asm/hw_irq.h b/arch/powerpc/include/asm/hw_irq.h
index 8b505eaaa38a..e73d554538dd 100644
--- a/arch/powerpc/include/asm/hw_irq.h
+++ b/arch/powerpc/include/asm/hw_irq.h
@@ -49,8 +49,13 @@ extern void iseries_handle_interrupts(void);
 #define raw_irqs_disabled()             (local_get_flags() == 0)
 #define raw_irqs_disabled_flags(flags)  ((flags) == 0)
 
+#ifdef CONFIG_PPC_BOOK3E
+#define __hard_irq_enable()     __asm__ __volatile__("wrteei 1": : :"memory");
+#define __hard_irq_disable()    __asm__ __volatile__("wrteei 0": : :"memory");
+#else
 #define __hard_irq_enable()     __mtmsrd(mfmsr() | MSR_EE, 1)
 #define __hard_irq_disable()    __mtmsrd(mfmsr() & ~MSR_EE, 1)
+#endif
 
 #define  hard_irq_disable()                     \
         do {                                    \
diff --git a/arch/powerpc/include/asm/smp.h b/arch/powerpc/include/asm/smp.h
index e782f43ee669..c0d3b8af9319 100644
--- a/arch/powerpc/include/asm/smp.h
+++ b/arch/powerpc/include/asm/smp.h
@@ -153,6 +153,7 @@ extern void arch_send_call_function_ipi(cpumask_t mask);
  * 64-bit but defining them all here doesn't harm
  */
 extern void generic_secondary_smp_init(void);
+extern void generic_secondary_thread_init(void);
 extern unsigned long __secondary_hold_spinloop;
 extern unsigned long __secondary_hold_acknowledge;
 extern char __secondary_hold;