powerpc: move debug registers in a structure

This way we can use same data type struct with KVM and
also help in using other debug related function.

Signed-off-by: Bharat Bhushan <bharat.bhushan@freescale.com>
Signed-off-by: Alexander Graf <agraf@suse.de>

1 files changed, 22 insertions, 16 deletions

diff --git a/arch/powerpc/include/asm/processor.h b/arch/powerpc/include/asm/processor.h
index e378cccfca55..b43844442a6c 100644
--- a/arch/powerpc/include/asm/processor.h
+++ b/arch/powerpc/include/asm/processor.h
@@ -147,22 +147,7 @@ typedef struct {
 #define TS_FPR(i) fpr[i][TS_FPROFFSET]
 #define TS_TRANS_FPR(i) transact_fpr[i][TS_FPROFFSET]
 
-struct thread_struct {
-        unsigned long   ksp;            /* Kernel stack pointer */
-        unsigned long   ksp_limit;      /* if ksp <= ksp_limit stack overflow */
-
-#ifdef CONFIG_PPC64
-        unsigned long   ksp_vsid;
-#endif
-        struct pt_regs  *regs;          /* Pointer to saved register state */
-        mm_segment_t    fs;             /* for get_fs() validation */
-#ifdef CONFIG_BOOKE
-        /* BookE base exception scratch space; align on cacheline */
-        unsigned long   normsave[8] ____cacheline_aligned;
-#endif
-#ifdef CONFIG_PPC32
-        void            *pgdir;         /* root of page-table tree */
-#endif
+struct debug_reg {
 #ifdef CONFIG_PPC_ADV_DEBUG_REGS
         /*
          * The following help to manage the use of Debug Control Registers
@@ -199,6 +184,27 @@ struct thread_struct {
         unsigned long   dvc2;
 #endif
 #endif
+};
+
+struct thread_struct {
+        unsigned long   ksp;            /* Kernel stack pointer */
+        unsigned long   ksp_limit;      /* if ksp <= ksp_limit stack overflow */
+
+#ifdef CONFIG_PPC64
+        unsigned long   ksp_vsid;
+#endif
+        struct pt_regs  *regs;          /* Pointer to saved register state */
+        mm_segment_t    fs;             /* for get_fs() validation */
+#ifdef CONFIG_BOOKE
+        /* BookE base exception scratch space; align on cacheline */
+        unsigned long   normsave[8] ____cacheline_aligned;
+#endif
+#ifdef CONFIG_PPC32
+        void            *pgdir;         /* root of page-table tree */
+#endif
+        /* Debug Registers */
+        struct debug_reg debug;
+
         /* FP and VSX 0-31 register set */
         double          fpr[32][TS_FPRWIDTH] __attribute__((aligned(16)));
         struct {