not in v7-M. */
#define ARM_EXT_MP 0x08000000 /* Multiprocessing Extensions. */
#define ARM_EXT_SEC 0x10000000 /* Security extensions. */
+#define ARM_EXT_OS 0x20000000 /* OS Extensions. */
/* Co-processor space extensions. */
#define ARM_CEXT_XSCALE 0x00000001 /* Allow MIA etc. */
#define ARM_AEXT_V6M \
((ARM_AEXT_V6K | ARM_EXT_BARRIER | ARM_EXT_V6M | ARM_EXT_THUMB_MSR) \
& ~(ARM_AEXT_NOTM))
+#define ARM_AEXT_V6SM (ARM_AEXT_V6M | ARM_EXT_OS)
#define ARM_AEXT_V7M \
((ARM_AEXT_V7_ARM | ARM_EXT_V6M | ARM_EXT_V7M | ARM_EXT_DIV) \
& ~(ARM_AEXT_NOTM))
#define ARM_ARCH_V6ZT2 ARM_FEATURE (ARM_AEXT_V6ZT2, 0)
#define ARM_ARCH_V6ZKT2 ARM_FEATURE (ARM_AEXT_V6ZKT2, 0)
#define ARM_ARCH_V6M ARM_FEATURE (ARM_AEXT_V6M, 0)
+#define ARM_ARCH_V6SM ARM_FEATURE (ARM_AEXT_V6SM, 0)
#define ARM_ARCH_V7 ARM_FEATURE (ARM_AEXT_V7, 0)
#define ARM_ARCH_V7A ARM_FEATURE (ARM_AEXT_V7A, 0)
#define ARM_ARCH_V7R ARM_FEATURE (ARM_AEXT_V7R, 0)