def instr_lui(self, node):
'imm[31:12] rd opcode'
instr = node['instr']
opcode = instructions.get_opcode(instr)
rd = self.register_bin(node['rd'])
imm = node['imm']
return f'{imm}{rd}{opcode}'
def instr_load(self, node):
'imm[11:0] rs1 func3 rd opcode'
instr = node['instr']
opcode = instructions.get_opcode(instr)
imm = node['imm']
rd = self.register_bin(node['rd'])
rs1 = self.register_bin(node['rs1'])
func3 = instructions.get_func3(instr)
return f'{imm}{rs1}{func3}{rd}{opcode}'
def type_r(self, node):
'func7 rs2 rs1 func3 rd opcode'
instr = node['instr']
opcode = instructions.get_opcode(instr)
rd = self.register_bin(node['rd'])
func3 = instructions.get_func3(instr)
rs1 = self.register_bin(node['rs1'])
rs2 = self.register_bin(node['rs2'])
func7 = instructions.get_func7(instr)
return f'{func7}{rs2}{rs1}{func3}{rd}{opcode}'
def type_i(self, node):
'imm[11:0] rs1 func3 rd opcode'
instr = node['instr']
opcode = instructions.get_opcode(instr)
rd = self.register_bin(node['rd'])
func3 = instructions.get_func3(instr)
rs1 = self.register_bin(node['rs1'])
imm = node['imm']
assert len(imm) == 12
return f'{imm}{rs1}{func3}{rd}{opcode}'
def instr_jal(self, node):
'imm[20] imm[10:1] imm[11] imm[19:12] rd opcode'
instr = node['instr']
opcode = instructions.get_opcode(instr)
rd = self.register_bin(node['rd'])
imm = node['imm']
imm_19_12 = imm[-19:-11]
imm_11 = imm[-11]
imm_10_1 = imm[-10:]
imm_20 = imm[-20]
return f'{imm_20}{imm_10_1}{imm_11}{imm_19_12}{rd}{opcode}'
def instr_store(self, node):
'imm[11:5] rs2 rs1 func3 imm[4:0] opcode'
instr = node['instr']
opcode = instructions.get_opcode(instr)
imm = node['imm']
imm_11_5 = imm[-12:-5]
imm_4_0 = imm[-5:]
rs2 = self.register_bin(node['rs2'])
rs1 = self.register_bin(node['rs1'])
func3 = instructions.get_func3(instr)
return f'{imm_11_5}{rs2}{rs1}{func3}{imm_4_0}{opcode}'
def type_sb(self, node):
'imm[12] imm[10:5] rs2 rs1 func3 imm[4:1] imm[11] opcode'
instr = node['instr']
opcode = instructions.get_opcode(instr)
imm = node['imm']
imm_11 = imm[-12]
imm_4_1 = imm[-4:]
imm_10_5 = imm[-10:-4]
imm_12 = imm[-12]
func3 = instructions.get_func3(instr)
rs1 = self.register_bin(node['rs1'])
rs2 = self.register_bin(node['rs2'])
return f'{imm_12}{imm_10_5}{rs2}{rs1}{func3}{imm_4_1}{imm_11}{opcode}'