Add (currently failing) test case for LUI instruction

This commit is contained in:
Donald Sebastian Leung 2020-08-18 14:10:47 +08:00
parent 3faa8ed1b8
commit 0e0d4b6e42
2 changed files with 56 additions and 0 deletions

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@ -0,0 +1,49 @@
from nmigen import *
from nmigen.test.utils import *
from ..core import *
from ....checks.insn_check import *
from ....insns.insn_lui import *
class LuiSpec(Elaboratable):
def elaborate(self, platform):
m = Module()
m.submodules.cpu = cpu = Minerva(with_rvfi=True)
m.submodules.insn_spec = insn_spec = InsnCheck(RISCV_FORMAL_ILEN=32,
RISCV_FORMAL_XLEN=32,
RISCV_FORMAL_CSR_MISA=False,
RISCV_FORMAL_COMPRESSED=False,
RISCV_FORMAL_ALIGNED_MEM=False,
insn_model=InsnLui,
rvformal_addr_valid=lambda x:Const(1))
m.d.comb += insn_spec.reset.eq(0)
m.d.comb += insn_spec.check.eq(1)
m.d.comb += insn_spec.rvfi_valid.eq(cpu.rvfi.valid)
m.d.comb += insn_spec.rvfi_order.eq(cpu.rvfi.order)
m.d.comb += insn_spec.rvfi_insn.eq(cpu.rvfi.insn)
m.d.comb += insn_spec.rvfi_trap.eq(cpu.rvfi.trap)
m.d.comb += insn_spec.rvfi_halt.eq(cpu.rvfi.halt)
m.d.comb += insn_spec.rvfi_intr.eq(cpu.rvfi.intr)
m.d.comb += insn_spec.rvfi_mode.eq(cpu.rvfi.mode)
m.d.comb += insn_spec.rvfi_ixl.eq(cpu.rvfi.ixl)
m.d.comb += insn_spec.rvfi_rs1_addr.eq(cpu.rvfi.rs1_addr)
m.d.comb += insn_spec.rvfi_rs2_addr.eq(cpu.rvfi.rs2_addr)
m.d.comb += insn_spec.rvfi_rs1_rdata.eq(cpu.rvfi.rs1_rdata)
m.d.comb += insn_spec.rvfi_rs2_rdata.eq(cpu.rvfi.rs2_rdata)
m.d.comb += insn_spec.rvfi_rd_addr.eq(cpu.rvfi.rd_addr)
m.d.comb += insn_spec.rvfi_rd_wdata.eq(cpu.rvfi.rd_wdata)
m.d.comb += insn_spec.rvfi_pc_rdata.eq(cpu.rvfi.pc_rdata)
m.d.comb += insn_spec.rvfi_pc_wdata.eq(cpu.rvfi.pc_wdata)
m.d.comb += insn_spec.rvfi_mem_addr.eq(cpu.rvfi.mem_addr)
m.d.comb += insn_spec.rvfi_mem_rmask.eq(cpu.rvfi.mem_rmask)
m.d.comb += insn_spec.rvfi_mem_wmask.eq(cpu.rvfi.mem_wmask)
m.d.comb += insn_spec.rvfi_mem_rdata.eq(cpu.rvfi.mem_rdata)
m.d.comb += insn_spec.rvfi_mem_wdata.eq(cpu.rvfi.mem_wdata)
return m
class LuiTestCase(FHDLTestCase):
def verify(self):
self.assertFormal(LuiSpec(), mode="bmc", depth=12)

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import unittest
from .test.test_cache import *
from .test.test_instructions import *
from .test.test_units_divider import *
from .test.test_units_multiplier import *
print("Verifying L1 cache ...")
test = L1CacheTestCase()
test.test_direct_mapped()
test.test_2_ways()
print("Verifying RV32I instructions ...")
LuiTestCase().verify()
print("Testing multiplier and divider ...")
unittest.main()