Add Cpuid instruction + test in assembler

native_exec/simple_x64.py

@@ -616,6 +616,9 @@ class In(Instruction):
                 (RawBits.from_int(16, 0x66ed), FixedRegister('AX'), FixedRegister('DX')), # Fuck-it hardcoded prefix for now
                 (RawBits.from_int(8, 0xed), FixedRegister('EAX'), FixedRegister('DX'))]
 
+class Cpuid(Instruction):
+    encoding = [(RawBits.from_int(16, 0x0fa2),)]
+
 class JmpImm(object):
     accept_as_Ximmediat = (None)
     def __init__(self, sub):

native_exec/simple_x86.py

@@ -511,6 +511,9 @@ class Xchg(Instruction):
 class Call(Instruction):
     encoding = [(RawBits.from_int(8, 0xff), Slash(2))]
 
+class Cpuid(Instruction):
+    encoding = [(RawBits.from_int(16, 0x0fa2),)]
+
 class Ret(Instruction):
     encoding = [(RawBits.from_int(8, 0xc3),)]
 

native_exec/test_simple_x64.py

@@ -96,6 +96,8 @@ TestInstr(Push)(0x42)
 TestInstr(Push)(-1)
 TestInstr(Call)('RAX')
 TestInstr(Call)(mem('[RAX + RCX * 8]'))
+TestInstr(Cpuid)()
+
 
 TestInstr(Xchg)('RAX', 'RSP')
 assert Xchg('RAX', 'RCX').get_code() == Xchg('RCX', 'RAX').get_code()

native_exec/test_simple_x86.py

@@ -82,6 +82,7 @@ TestInstr(Lea)('ECX', mem('[EDI + -0xff]'))
 
 TestInstr(Call)('EAX')
 TestInstr(Call)(mem('[EAX + ECX * 8]'))
+TestInstr(Cpuid)()
 
 TestInstr(Xchg)('EAX', 'ESP')
 assert Xchg('EAX', 'ECX').get_code() == Xchg('ECX', 'EAX').get_code()