def test_execute_ldr_disp(is16bit, sub, address):
# Load.
state = new_state(rf0=0, rf5=8)
state.mem.write(address, 4, 0xffffffff) # Start address, number of bytes, value
# bb: 00=byte, 01=half-word, 10=word, 11=double-word
if is16bit:
instr = opcode_factory.ldstrdisp16(rd=0, rn=5, imm=1, bb=0b10, s=0)
else:
instr = opcode_factory.ldstrdisp32(rd=0, rn=5, sub=sub, imm=1, bb=0b10, s=0)
name, executefn = decode(instr)
executefn(state, Instruction(instr, None))
expected_state = StateChecker(rf0=0xffffffff, rf5=8)
expected_state.check(state)
def test_execute_str_disp(is16bit, sub, expected):
# Store.
state = new_state(rf0=0xffffffff, rf5=8)
# bb: 00=byte, 01=half-word, 10=word, 11=double-word
if is16bit:
instr = opcode_factory.ldstrdisp16(rd=0, rn=5, imm=1, bb=0b10, s=1)
else:
instr = opcode_factory.ldstrdisp32(rd=0, rn=5, sub=sub, imm=1, bb=0b10, s=1)
name, executefn = decode(instr)
executefn(state, Instruction(instr, None))
address = 8 - (1 << 2) if sub else 8 + (1 << 2)
expected_state = StateChecker(rf0=0xffffffff, rf5=8)
expected_state.check(state, memory=[(address, 4, 0xffffffff)])
('lslimm16', opcode_factory.lsl16_immediate(rd=1, rn=1, imm=1)),
('asrimm16', opcode_factory.asr16_immediate(rd=1, rn=1, imm=1)),
('bitrimm16', opcode_factory.bitr16_immediate(rd=1, rn=1, imm=1)),
('lsrimm32', opcode_factory.lsr32_immediate(rd=1, rn=1, imm=1)),
('lslimm32', opcode_factory.lsl32_immediate(rd=1, rn=1, imm=1)),
('asrimm32', opcode_factory.asr32_immediate(rd=1, rn=1, imm=1)),
('bitrimm32', opcode_factory.bitr32_immediate(rd=1, rn=1, imm=1)),
('jr32', opcode_factory.jr32(rn=0)),
('jr16', opcode_factory.jr16(rn=0)),
('jalr32', opcode_factory.jalr32(rn=0)),
('jalr16', opcode_factory.jalr16(rn=0)),
('bcond32', opcode_factory.bcond32(condition=0b1111, imm=0)),
('bcond16', opcode_factory.bcond16(condition=0b1111, imm=0)),
('ldstrpmd32', opcode_factory.ldstrpmd32(rd=1, rn=0, sub=1, imm=0b1010101010, bb=0b11, s=1)),
('ldstrdisp16', opcode_factory.ldstrdisp16(rd=1, rn=0, imm=0b010, bb=0b11, s=1)),
('ldstrdisp32', opcode_factory.ldstrdisp32(rd=1, rn=0, sub=1, imm=0b1010101010, bb=0b11, s=1)),
('ldstrpm16', opcode_factory.ldstrpm16(rd=1, rn=0, rm=0, bb=0b11, s=1)),
('ldstrpm32', opcode_factory.ldstrpm32(rd=1, rn=0, rm=0, sub=1, bb=0b11, s=1)),
('ldstrind16', opcode_factory.ldstrind16(rd=1, rn=0, rm=0, bb=0b11, s=1)),
('ldstrind32', opcode_factory.ldstrind32(rd=1, rn=0, rm=0, sub=1, bb=0b11, s=1)),
('testset32', opcode_factory.testset32(rd=1, rn=0, rm=0, sub=1, bb=0b11)),
('fadd16', opcode_factory.fadd16(rd=1, rn=0, rm=0)),
('fsub16', opcode_factory.fsub16(rd=1, rn=0, rm=0)),
('fmul16', opcode_factory.fmul16(rd=1, rn=0, rm=0)),
('fmadd16', opcode_factory.fmadd16(rd=1, rn=0, rm=0)),
('fmsub16', opcode_factory.fmsub16(rd=1, rn=0, rm=0)),
('float16', opcode_factory.float16(rd=1, rn=0, rm=0)),
('fix16', opcode_factory.fix16(rd=1, rn=0, rm=0)),
('fabs16', opcode_factory.fabs16(rd=1, rn=0, rm=0)),
('fadd32', opcode_factory.fadd32(rd=1, rn=0, rm=0)),
('fsub32', opcode_factory.fsub32(rd=1, rn=0, rm=0)),