Toshiba MeP support

1 files changed, 108 insertions, 0 deletions

diff --git a/test/arch/mep/ir/test_shift.py b/test/arch/mep/ir/test_shift.py
new file mode 100644
index 00000000..b63f9ed7
--- /dev/null
+++ b/test/arch/mep/ir/test_shift.py
@@ -0,0 +1,108 @@
+# Toshiba MeP-c4 - Shift instructions unit tests
+# Guillaume Valadon <guillaume@valadon.net>
+
+from ut_helpers_ir import exec_instruction
+
+from miasm2.expression.expression import ExprId, ExprInt, ExprCond, ExprOp
+from miasm2.core.cpu import sign_ext
+
+
+class TestShift:
+
+    def test_sra(self):
+        """Test SRA execution"""
+
+        # SRA Rn, Rm
+        exec_instruction("SRA R1, R2",
+                         [(ExprId("R1", 32), ExprInt(4, 32)), (ExprId("R2", 32), ExprInt(1, 32))],
+                         [(ExprId("R1", 32), ExprInt(2, 32))])
+
+        exec_instruction("SRA R1, R2",
+                         [(ExprId("R1", 32), ExprInt(sign_ext(4, 3, 32), 32)), (ExprId("R2", 32), ExprInt(1, 32))],
+                         [(ExprId("R1", 32), ExprInt(0xFFFFFFFE, 32))])
+
+        exec_instruction("SRA R1, R2",
+                         [(ExprId("R1", 32), ExprInt(0xF0000000, 32)), (ExprId("R2", 32), ExprInt(4, 32))],
+                         [(ExprId("R1", 32), ExprInt(0xFF000000, 32))])
+
+        # SRA Rn,imm5
+        exec_instruction("SRA R1, 1",
+                         [(ExprId("R1", 32), ExprInt(4, 32))],
+                         [(ExprId("R1", 32), ExprInt(2, 32))])
+
+        # SRA Rn,imm5
+        exec_instruction("SRA R1, 1",
+                         [(ExprId("R1", 32), ExprInt(0x80000000, 32))],
+                         [(ExprId("R1", 32), ExprInt(0xC0000000, 32))])
+
+        exec_instruction("SRA R1, 1",
+                         [(ExprId("R1", 32), ExprInt(1, 32))],
+                         [(ExprId("R1", 32), ExprInt(0, 32))])
+
+    def test_srl(self):
+        """Test SRL execution"""
+
+        # SRL Rn, Rm
+        exec_instruction("SRL R1, R2",
+                         [(ExprId("R1", 32), ExprInt(4, 32)), (ExprId("R2", 32), ExprInt(1, 32))],
+                         [(ExprId("R1", 32), ExprInt(2, 32))])
+
+        # SRL Rn,imm5
+        exec_instruction("SRL R1, 1",
+                         [(ExprId("R1", 32), ExprInt(4, 32))],
+                         [(ExprId("R1", 32), ExprInt(2, 32))])
+
+        exec_instruction("SRL R1, 1",
+                         [(ExprId("R1", 32), ExprInt(1, 32))],
+                         [(ExprId("R1", 32), ExprInt(0, 32))])
+
+    def test_sll(self):
+        """Test SLL execution"""
+
+        # SLL Rn, Rm
+        exec_instruction("SLL R1, R2",
+                         [(ExprId("R1", 32), ExprInt(4, 32)), (ExprId("R2", 32), ExprInt(1, 32))],
+                         [(ExprId("R1", 32), ExprInt(8, 32))])
+
+        exec_instruction("SLL R1, R2",
+                         [(ExprId("R1", 32), ExprInt(0x80000000, 32)), (ExprId("R2", 32), ExprInt(1, 32))],
+                         [(ExprId("R1", 32), ExprInt(0, 32))])
+
+        # SLL Rn,imm5
+        exec_instruction("SLL R1, 1",
+                         [(ExprId("R1", 32), ExprInt(4, 32))],
+                         [(ExprId("R1", 32), ExprInt(8, 32))])
+
+    def test_sll3(self):
+        """Test SLL3 execution"""
+
+        # SLL3 R0,Rn,imm5
+        exec_instruction("SLL3 R0, R1, 2",
+                         [(ExprId("R1", 32), ExprInt(4, 32))],
+                         [(ExprId("R0", 32), ExprInt(16, 32))])
+
+        exec_instruction("SLL3 R0, R1, 2",
+                         [(ExprId("R1", 32), ExprInt(0xC0000000, 32))],
+                         [(ExprId("R0", 32), ExprInt(0, 32))])
+
+    def test_fsft(self):
+        """Test FSFT execution"""
+
+        # FSFT Rn,Rm
+        exec_instruction("FSFT R0, R1",
+                         [(ExprId("SAR", 32), ExprInt(0x00000001, 32)),
+                          (ExprId("R0", 32), ExprInt(0x00000001, 32)),
+                          (ExprId("R1", 32), ExprInt(0x80000000, 32))],
+                         [(ExprId("R0", 32), ExprInt(0x00000003, 32))])
+
+        exec_instruction("FSFT R0, R1",
+                         [(ExprId("SAR", 32), ExprInt(0x00000004, 32)),
+                          (ExprId("R0", 32), ExprInt(0xFFFFFFFF, 32)),
+                          (ExprId("R1", 32), ExprInt(0xF0000000, 32))],
+                         [(ExprId("R0", 32), ExprInt(0xFFFFFFFF, 32))])
+
+        exec_instruction("FSFT R0, R1",
+                         [(ExprId("SAR", 32), ExprInt(0x00000004, 32)),
+                          (ExprId("R0", 32), ExprInt(0xF0000000, 32)),
+                          (ExprId("R1", 32), ExprInt(0x0F000000, 32))],
+                         [(ExprId("R0", 32), ExprInt(0, 32))])