add LDST test cases

diff --git a/src/openpower/test/ldst/ldst_cases.py b/src/openpower/test/ldst/ldst_cases.py
new file mode 100644 (file)
index 0000000..afa16e1
--- /dev/null
+++ b/src/openpower/test/ldst/ldst_cases.py
@@ -0,0 +1,214 @@
+from openpower.simulator.program import Program
+from openpower.endian import bigendian
+from openpower.test.common import TestAccumulatorBase
+
+
+class LDSTTestCase(TestAccumulatorBase):
+
+    def case_1_load(self):
+        lst = ["lhz 3, 0(1)"]
+        initial_regs = [0] * 32
+        initial_regs[1] = 0x0004
+        initial_regs[2] = 0x0008
+        initial_mem = {0x0000: (0x5432123412345678, 8),
+                       0x0008: (0xabcdef0187654321, 8),
+                       0x0020: (0x1828384822324252, 8),
+                        }
+        self.add_case(Program(lst, bigendian), initial_regs,
+                             initial_mem=initial_mem)
+
+    def case_2_load_store(self):
+        lst = [
+               "stb 3, 1(2)",
+               "lbz 4, 1(2)",
+        ]
+        initial_regs = [0] * 32
+        initial_regs[1] = 0x0004
+        initial_regs[2] = 0x0008
+        initial_regs[3] = 0x00ee
+        initial_mem = {0x0000: (0x5432123412345678, 8),
+                       0x0008: (0xabcdef0187654321, 8),
+                       0x0020: (0x1828384822324252, 8),
+                        }
+        self.add_case(Program(lst, bigendian), initial_regs,
+                             initial_mem=initial_mem)
+
+    def case_3_load_store(self):
+        lst = ["sth 4, 0(2)",
+               "lhz 4, 0(2)"]
+        initial_regs = [0] * 32
+        initial_regs[1] = 0x0004
+        initial_regs[2] = 0x0002
+        initial_regs[3] = 0x15eb
+        initial_mem = {0x0000: (0x5432123412345678, 8),
+                       0x0008: (0xabcdef0187654321, 8),
+                       0x0020: (0x1828384822324252, 8),
+                        }
+        self.add_case(Program(lst, bigendian), initial_regs,
+                             initial_mem=initial_mem)
+
+    def case_4_load_store_rev_ext(self):
+        lst = ["stwx 1, 4, 2",
+               "lwbrx 3, 4, 2"]
+        initial_regs = [0] * 32
+        initial_regs[1] = 0x5678
+        initial_regs[2] = 0x001c
+        initial_regs[4] = 0x0008
+        initial_mem = {0x0000: (0x5432123412345678, 8),
+                       0x0008: (0xabcdef0187654321, 8),
+                       0x0020: (0x1828384822324252, 8),
+                        }
+        self.add_case(Program(lst, bigendian), initial_regs,
+                             initial_mem=initial_mem)
+
+    def case_5_load_store_rev_ext(self):
+        lst = ["stwbrx 1, 4, 2",
+               "lwzx 3, 4, 2"]
+        initial_regs = [0] * 32
+        initial_regs[1] = 0x5678
+        initial_regs[2] = 0x001c
+        initial_regs[4] = 0x0008
+        initial_mem = {0x0000: (0x5432123412345678, 8),
+                       0x0008: (0xabcdef0187654321, 8),
+                       0x0020: (0x1828384822324252, 8),
+                        }
+        self.add_case(Program(lst, bigendian), initial_regs,
+                             initial_mem=initial_mem)
+
+    def case_6_load_store_rev_ext(self):
+        lst = ["stwbrx 1, 4, 2",
+               "lwbrx 3, 4, 2"]
+        initial_regs = [0] * 32
+        initial_regs[1] = 0x5678
+        initial_regs[2] = 0x001c
+        initial_regs[4] = 0x0008
+        initial_mem = {0x0000: (0x5432123412345678, 8),
+                       0x0008: (0xabcdef0187654321, 8),
+                       0x0020: (0x1828384822324252, 8),
+                        }
+        self.add_case(Program(lst, bigendian), initial_regs,
+                             initial_mem=initial_mem)
+
+    def case_7_load_store_d(self):
+        lst = [
+               "std 3, 0(2)",
+               "ld 4, 0(2)",
+        ]
+        initial_regs = [0] * 32
+        initial_regs[1] = 0x0004
+        initial_regs[2] = 0x0008
+        initial_regs[3] = 0x00ee
+        initial_mem = {0x0000: (0x5432123412345678, 8),
+                       0x0008: (0xabcdef0187654321, 8),
+                       0x0020: (0x1828384822324252, 8),
+                        }
+        self.add_case(Program(lst, bigendian), initial_regs,
+                             initial_mem=initial_mem)
+
+    def case_8_load_store_d_update(self):
+        lst = [
+               "stdu 3, 0(2)",
+               "ld 4, 0(2)",
+        ]
+        initial_regs = [0] * 32
+        initial_regs[1] = 0x0004
+        initial_regs[2] = 0x0008
+        initial_regs[3] = 0x00ee
+        initial_mem = {0x0000: (0x5432123412345678, 8),
+                       0x0008: (0xabcdef0187654321, 8),
+                       0x0020: (0x1828384822324252, 8),
+                        }
+        self.add_case(Program(lst, bigendian), initial_regs,
+                             initial_mem=initial_mem)
+
+    def case_9_load_algebraic_1(self):
+        lst = ["lwax 3, 4, 2"]
+        initial_regs = [0] * 32
+        initial_regs[1] = 0x5678
+        initial_regs[2] = 0x001c
+        initial_regs[4] = 0x0008
+        initial_mem = {0x0000: (0x5432123412345678, 8),
+                       0x0008: (0xabcdef0187654321, 8),
+                       0x0020: (0xf000000f0000ffff, 8),
+                        }
+        self.add_case(Program(lst, bigendian), initial_regs,
+                             initial_mem=initial_mem)
+
+    def case_9_load_algebraic_2(self):
+        lst = ["lwax 3, 4, 2"]
+        initial_regs = [0] * 32
+        initial_regs[1] = 0x5678
+        initial_regs[2] = 0x001c
+        initial_regs[4] = 0x0008
+        initial_mem = {0x0000: (0x5432123412345678, 8),
+                       0x0008: (0xabcdef0187654321, 8),
+                       0x0020: (0x7000000f0000ffff, 8),
+                        }
+        self.add_case(Program(lst, bigendian), initial_regs,
+                             initial_mem=initial_mem)
+
+    def case_9_load_algebraic_3(self):
+        lst = ["lwaux 3, 4, 2"]
+        initial_regs = [0] * 32
+        initial_regs[1] = 0x5678
+        initial_regs[2] = 0x001c
+        initial_regs[4] = 0x0008
+        initial_mem = {0x0000: (0x5432123412345678, 8),
+                       0x0008: (0xabcdef0187654321, 8),
+                       0x0020: (0xf000000f0000ffff, 8),
+                        }
+        self.add_case(Program(lst, bigendian), initial_regs,
+                             initial_mem=initial_mem)
+
+    def case_9_load_algebraic_4(self):
+        lst = ["lwa 3, 4(4)"]
+        initial_regs = [0] * 32
+        initial_regs[1] = 0x5678
+        initial_regs[4] = 0x0020
+        initial_mem = {0x0000: (0x5432123412345678, 8),
+                       0x0008: (0xabcdef0187654321, 8),
+                       0x0020: (0xf000000f1234ffff, 8),
+                        }
+        self.add_case(Program(lst, bigendian), initial_regs,
+                             initial_mem=initial_mem)
+
+    def case_10_load_algebraic_1(self):
+        lst = ["lhax 3, 4, 2"]
+        initial_regs = [0] * 32
+        initial_regs[1] = 0x5678
+        initial_regs[2] = 0x001c
+        initial_regs[4] = 0x0008
+        initial_mem = {0x0000: (0x5432123412345678, 8),
+                       0x0008: (0xabcdef0187654321, 8),
+                       0x0020: (0x0000f00f0000ffff, 8),
+                        }
+        self.add_case(Program(lst, bigendian), initial_regs,
+                             initial_mem=initial_mem)
+
+    def case_10_load_algebraic_2(self):
+        lst = ["lhax 3, 4, 2"]
+        initial_regs = [0] * 32
+        initial_regs[1] = 0x5678
+        initial_regs[2] = 0x001c
+        initial_regs[4] = 0x0008
+        initial_mem = {0x0000: (0x5432123412345678, 8),
+                       0x0008: (0xabcdef0187654321, 8),
+                       0x0020: (0x0000700f0000ffff, 8),
+                        }
+        self.add_case(Program(lst, bigendian), initial_regs,
+                             initial_mem=initial_mem)
+
+    def case_10_load_store_cix(self):
+        lst = ["stbcix 1, 4, 2",
+               "lwzcix 3, 4, 2"]
+        initial_regs = [0] * 32
+        initial_regs[1] = 0x5678
+        initial_regs[2] = 0x001c
+        initial_regs[4] = 0x0008
+        initial_mem = {0x0000: (0x5432123412345678, 8),
+                       0x0008: (0xabcdef0187654321, 8),
+                       0x0020: (0x1828384822324252, 8),
+                        }
+        self.add_case(Program(lst, bigendian), initial_regs,
+                             initial_mem=initial_mem)
+