[PATCH] powerpc: Add MSR_DE to MSR_KERNEL

[Joakim Tjernlund]

Emulators such as BDI2000 and CodeWarrior needs to have MSR_DE set
in order to support break points for booke archs.
This adds MSR_DE for kernel space only, protected by CONFIG_BDI_SWITCH

Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund at transmode.se>
---
 arch/powerpc/include/asm/reg_booke.h |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/arch/powerpc/include/asm/reg_booke.h b/arch/powerpc/include/asm/reg_booke.h
index 500fe1d..b3e57ed 100644
--- a/arch/powerpc/include/asm/reg_booke.h
+++ b/arch/powerpc/include/asm/reg_booke.h
@@ -37,7 +37,11 @@
 #define MSR_KERNEL	(MSR_ME|MSR_RI|MSR_IR|MSR_DR|MSR_CE)
 #define MSR_USER	(MSR_KERNEL|MSR_PR|MSR_EE)
 #else
+#ifdef CONFIG_BDI_SWITCH
+#define MSR_KERNEL	(MSR_ME|MSR_RI|MSR_CE|MSR_DE)
+#else
 #define MSR_KERNEL	(MSR_ME|MSR_RI|MSR_CE)
+#endif
 #define MSR_USER	(MSR_KERNEL|MSR_PR|MSR_EE)
 #endif
 
-- 
1.7.3.4