1 files changed, 10 insertions, 0 deletions

diff --git a/arch/arm/include/asm/assembler.h b/arch/arm/include/asm/assembler.h
index 380ac4f20000..9a4965ad6867 100644
--- a/arch/arm/include/asm/assembler.h
+++ b/arch/arm/include/asm/assembler.h
@@ -174,6 +174,16 @@
         restore_irqs_notrace \oldcpsr
         .endm
 
+/*
+ * Get current thread_info.
+ */
+        .macro  get_thread_info, rd
+ ARM(   mov     \rd, sp, lsr #13        )
+ THUMB( mov     \rd, sp                 )
+ THUMB( lsr     \rd, \rd, #13           )
+        mov     \rd, \rd, lsl #13
+        .endm
+
 #define USER(x...)                              \
 9999:   x;                                      \
         .pushsection __ex_table,"a";            \