Thumb-2: Implement the unified arch/arm/lib functions

This patch adds the ARM/Thumb-2 unified support for the arch/arm/lib/*
files.

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

1 files changed, 15 insertions, 0 deletions

diff --git a/arch/arm/lib/putuser.S b/arch/arm/lib/putuser.S
index 864f3c1c4f18..02fedbf07c0d 100644
--- a/arch/arm/lib/putuser.S
+++ b/arch/arm/lib/putuser.S
@@ -37,6 +37,15 @@ ENDPROC(__put_user_1)
 
 ENTRY(__put_user_2)
         mov     ip, r2, lsr #8
+#ifdef CONFIG_THUMB2_KERNEL
+#ifndef __ARMEB__
+2:      strbt   r2, [r0]
+3:      strbt   ip, [r0, #1]
+#else
+2:      strbt   ip, [r0]
+3:      strbt   r2, [r0, #1]
+#endif
+#else   /* !CONFIG_THUMB2_KERNEL */
 #ifndef __ARMEB__
 2:      strbt   r2, [r0], #1
 3:      strbt   ip, [r0]
@@ -44,6 +53,7 @@ ENTRY(__put_user_2)
 2:      strbt   ip, [r0], #1
 3:      strbt   r2, [r0]
 #endif
+#endif  /* CONFIG_THUMB2_KERNEL */
         mov     r0, #0
         mov     pc, lr
 ENDPROC(__put_user_2)
@@ -55,8 +65,13 @@ ENTRY(__put_user_4)
 ENDPROC(__put_user_4)
 
 ENTRY(__put_user_8)
+#ifdef CONFIG_THUMB2_KERNEL
+5:      strt    r2, [r0]
+6:      strt    r3, [r0, #4]
+#else
 5:      strt    r2, [r0], #4
 6:      strt    r3, [r0]
+#endif
         mov     r0, #0
         mov     pc, lr
 ENDPROC(__put_user_8)