Add Thumb-2 code to enable FP and VFP.

tests/regress/arm_fp_vfp_disabled.py

@@ -13,9 +13,26 @@ import regress
 class FpVfpDisabled(regress.RegressTest):
 
     def runTest(self):
+        # MRC p15, #0, r1, c1, c0, #2
+        # ORR r1, r1, #(0xf << 20)
+        # MCR p15, #0, r1, c1, c0, #2
+        # MOV r1, #0
+        # MCR p15, #0, r1, c7, c5, #4
+        # MOV r0,#0x40000000
+        # FMXR FPEXC, r0
+        code = '11EE501F'
+        code += '41F47001'
+        code += '01EE501F'
+        code += '4FF00001'
+        code += '07EE951F'
+        code += '4FF08040'
+        code += 'E8EE100A'
+        # vpush {d8}
+        code += '2ded028b'
+        
         uc = Uc(UC_ARCH_ARM, UC_MODE_THUMB)
         uc.mem_map(0x1000, 0x1000)
-        uc.mem_write(0x1000, '2ded028b'.decode('hex'))  # vpush {d8}
+        uc.mem_write(0x1000, code.decode('hex'))
         uc.reg_write(UC_ARM_REG_SP, 0x2000)
         uc.emu_start(0x1000, 0x1004)