[U-Boot] [PATCH 06/12] arm: lib: Fix uldivmod.S build on Thumb2

Marek Vasut
2016-05-26T16:01:41Z

This assembler source won't build in Thumb2 mode, so fix it adding
the necessary Thumb2 conditional macros from unified.h .

This patch also defines CONFIG_THUMB2_KERNEL and CONFIG_ARM_ASM_UNIFIED
which is necessary for correct build of these files both in ARM and
Thumb mode, just like Linux does.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Albert Aribaud <albert.u.boot@aribaud.net>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: Simon Glass <sjg@chromium.org>
Cc: Tom Rini <trini@konsulko.com>
---
arch/arm/lib/uldivmod.S | 8 +++-----
1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/arch/arm/lib/uldivmod.S b/arch/arm/lib/uldivmod.S
index 426c2f2..2efcd73 100644
--- a/arch/arm/lib/uldivmod.S
+++ b/arch/arm/lib/uldivmod.S
@@ -9,10 +9,6 @@
#include <linux/linkage.h>
#include <asm/assembler.h>

-/* We don't use Thumb instructions for now */
-#define ARM(x...) x
-#define THUMB(x...)
-
/*
* A, Q = r0 + (r1 << 32)
* B, R = r2 + (r3 << 32)
@@ -226,7 +222,9 @@ THUMB( orrpl A_0, A_0, TMP )
@ Shift A to the right by the appropriate amount.
rsb D_1, D_0, #32
mov Q_0, A_0, lsr D_0
- orr Q_0, A_1, lsl D_1
+ ARM( orr Q_0, Q_0, A_1, lsl D_1 )
+ THUMB( lsl A_1, D_1 )
+ THUMB( orr Q_0, A_1 )
mov Q_1, A_1, lsr D_0
@ Move C to R
mov R_0, C_0
--
2.7.0