summaryrefslogtreecommitdiff
path: root/arch/powerpc/include/asm
diff options
context:
space:
mode:
authorMichael Ellerman <michael@ellerman.id.au>2013-04-30 20:17:04 +0000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2013-05-02 10:37:36 +1000
commit9353374b8e1585d5fa47a1e5c1d3e9155dd0eb7c (patch)
treee6fdfc6f3a7aa57214fb481d965ab4378f2fbc7c /arch/powerpc/include/asm
parent1ddf499e1a49e67c02b89e6565d091a0bda29a91 (diff)
downloadlwn-9353374b8e1585d5fa47a1e5c1d3e9155dd0eb7c.tar.gz
lwn-9353374b8e1585d5fa47a1e5c1d3e9155dd0eb7c.zip
powerpc: Context switch the new EBB SPRs
This context switches the new Event Based Branching (EBB) SPRs. The three new SPRs are: - Event Based Branch Handler Register (EBBHR) - Event Based Branch Return Register (EBBRR) - Branch Event Status and Control Register (BESCR) Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Matt Evans <matt@ozlabs.org> Signed-off-by: Michael Neuling <mikey@neuling.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/include/asm')
-rw-r--r--arch/powerpc/include/asm/processor.h3
-rw-r--r--arch/powerpc/include/asm/reg.h3
2 files changed, 6 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/processor.h b/arch/powerpc/include/asm/processor.h
index 0a4cc5d649e1..d7e67ca8b4a6 100644
--- a/arch/powerpc/include/asm/processor.h
+++ b/arch/powerpc/include/asm/processor.h
@@ -281,6 +281,9 @@ struct thread_struct {
#endif
#ifdef CONFIG_PPC_BOOK3S_64
unsigned long tar;
+ unsigned long ebbrr;
+ unsigned long ebbhr;
+ unsigned long bescr;
#endif
};
diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h
index 93be5fb20394..3d17427e4fd7 100644
--- a/arch/powerpc/include/asm/reg.h
+++ b/arch/powerpc/include/asm/reg.h
@@ -663,6 +663,9 @@
#define SPRN_MMCRH 316 /* Hypervisor monitor mode control register */
#define SPRN_MMCRS 894 /* Supervisor monitor mode control register */
#define SPRN_MMCRC 851 /* Core monitor mode control register */
+#define SPRN_EBBHR 804 /* Event based branch handler register */
+#define SPRN_EBBRR 805 /* Event based branch return register */
+#define SPRN_BESCR 806 /* Branch event status and control register */
#define SPRN_PMC1 787
#define SPRN_PMC2 788