Patchwork powerpc: Add MSR_DE to MSR_KERNEL

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Submitter Joakim Tjernlund
Date June 4, 2012, 9:04 a.m.
Message ID <1338800676-10386-1-git-send-email-Joakim.Tjernlund@transmode.se>
Download mbox | patch
Permalink /patch/162685/
State Changes Requested
Delegated to: Kumar Gala
Headers show

Comments

Joakim Tjernlund - June 4, 2012, 9:04 a.m.
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@transmode.se>
---
 arch/powerpc/include/asm/reg_booke.h |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

Patch

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