ARM: ARMv7-M: Allow the building of new kernel port
This patch modifies the required Kconfig and Makefile files to allow the
building of kernel for Cortex-M3.
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Reviewed-by: Jonathan Austin <jonathan.austin@arm.com>
Tested-by: Jonathan Austin <jonathan.austin@arm.com>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index dedf02b6..7c8c607 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -9,7 +9,7 @@
select BUILDTIME_EXTABLE_SORT if MMU
select CPU_PM if (SUSPEND || CPU_IDLE)
select DCACHE_WORD_ACCESS if (CPU_V6 || CPU_V6K || CPU_V7) && !CPU_BIG_ENDIAN && MMU
- select GENERIC_ATOMIC64 if (CPU_V6 || !CPU_32v6K || !AEABI)
+ select GENERIC_ATOMIC64 if (CPU_V7M || CPU_V6 || !CPU_32v6K || !AEABI)
select GENERIC_CLOCKEVENTS_BROADCAST if SMP
select GENERIC_IRQ_PROBE
select GENERIC_IRQ_SHOW
@@ -1685,7 +1685,7 @@
config THUMB2_KERNEL
bool "Compile the kernel in Thumb-2 mode" if !CPU_THUMBONLY
- depends on CPU_V7 && !CPU_V6 && !CPU_V6K
+ depends on (CPU_V7 || CPU_V7M) && !CPU_V6 && !CPU_V6K
default y if CPU_THUMBONLY
select AEABI
select ARM_ASM_UNIFIED