ARMv7: Add support for the ThumbEE state saving/restoring

This patch adds the detection and handling of the ThumbEE extension on
ARMv7 CPUs.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

2 files changed, 4 insertions, 0 deletions

diff --git a/include/asm-arm/hwcap.h b/include/asm-arm/hwcap.h
index 01a1391d3014..81f4c899a555 100644
--- a/include/asm-arm/hwcap.h
+++ b/include/asm-arm/hwcap.h
@@ -15,6 +15,7 @@
 #define HWCAP_JAVA      256
 #define HWCAP_IWMMXT    512
 #define HWCAP_CRUNCH    1024
+#define HWCAP_THUMBEE   2048
 
 #if defined(__KERNEL__) && !defined(__ASSEMBLY__)
 /*
diff --git a/include/asm-arm/thread_info.h b/include/asm-arm/thread_info.h
index 41784357a204..f5a664786311 100644
--- a/include/asm-arm/thread_info.h
+++ b/include/asm-arm/thread_info.h
@@ -62,6 +62,9 @@ struct thread_info {
         struct crunch_state     crunchstate;
         union fp_state          fpstate __attribute__((aligned(8)));
         union vfp_state         vfpstate;
+#ifdef CONFIG_ARM_THUMBEE
+        unsigned long           thumbee_state;  /* ThumbEE Handler Base register */
+#endif
         struct restart_block    restart_block;
 };