exynos: allow SPL to build in thumb mode
Building peach-pi smdk5420 and peach-pit with thumb mode for SPL
ends-up in the following error:
Error: Thumb encoding does not support an immediate here -- `msr cpsr_c,#0x13|0xC0'
Use an intermediate register to be able to use thumb for exynos5 SPL.
Signed-off-by: Guillaume GARDET <guillaume.gardet@free.fr>
Cc: Albert Aribaud <albert.u.boot@aribaud.net>
Cc: Minkyu Kang <mk7.kang@samsung.com>
Cc: Tom Rini <trini@konsulko.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
diff --git a/arch/arm/mach-exynos/include/mach/system.h b/arch/arm/mach-exynos/include/mach/system.h
index 4837781..81fa980 100644
--- a/arch/arm/mach-exynos/include/mach/system.h
+++ b/arch/arm/mach-exynos/include/mach/system.h
@@ -58,7 +58,8 @@
/* Move 0xd3 value to CPSR register to enable SVC mode */
#define svc32_mode_en() __asm__ __volatile__ \
("@ I&F disable, Mode: 0x13 - SVC\n\t" \
- "msr cpsr_c, #0x13|0xC0\n\t" : : )
+ "mov r0, #0x13|0xC0\n\t" \
+ "msr cpsr_c, r0\n\t" : : )
/* Set program counter with the given value */
#define set_pc(x) __asm__ __volatile__ ("mov pc, %0\n\t" : : "r"(x))