diff --git a/examples/static-data.asm b/examples/static-data.asm new file mode 100644 index 0000000..e521e35 --- /dev/null +++ b/examples/static-data.asm @@ -0,0 +1,20 @@ +.data +my_data: +.word 0x11223344, 0x55667788, 0x9900aabb, 0xccddeeff + +.text +main: + // load base address into t0 + la t0, my_data + // begin loading words and printing them + lw a0, 0(t0) + print.uhex a0 + lw a0, 4(t0) + print.uhex a0 + lw a0, 8(t0) + print.uhex a0 + lw a0, 12(t0) + print.uhex a0 + // exit + li a7, 93 + ecall \ No newline at end of file diff --git a/riscemu/IO/IOModule.py b/riscemu/IO/IOModule.py index 521ae93..883d00d 100644 --- a/riscemu/IO/IOModule.py +++ b/riscemu/IO/IOModule.py @@ -1,4 +1,4 @@ -from abc import ABC, abstractmethod +from abc import ABC from typing import Optional from riscemu.types import MemorySection, MemoryFlags, T_RelativeAddress @@ -19,4 +19,4 @@ class IOModule(MemorySection, ABC): def __repr__(self): return "{}[{}] at 0x{:0X} (size={}bytes, flags={})".format( self.__class__.__name__, self.name, self.base, self.size, self.flags - ) \ No newline at end of file + ) diff --git a/riscemu/instructions/RV_Debug.py b/riscemu/instructions/RV_Debug.py new file mode 100644 index 0000000..1deeb9b --- /dev/null +++ b/riscemu/instructions/RV_Debug.py @@ -0,0 +1,19 @@ +from .instruction_set import InstructionSet, Instruction + + +class RV_Debug(InstructionSet): + def instruction_print(self, ins: Instruction): + reg = ins.get_reg(0) + print("register {} contains value {}".format(reg, self.regs.get(reg))) + + def instruction_print_uint(self, ins: Instruction): + reg = ins.get_reg(0) + print("register {} contains value {}".format(reg, self.regs.get(reg).unsigned_value)) + + def instruction_print_hex(self, ins: Instruction): + reg = ins.get_reg(0) + print("register {} contains value {}".format(reg, hex(self.regs.get(reg)))) + + def instruction_print_uhex(self, ins: Instruction): + reg = ins.get_reg(0) + print("register {} contains value {}".format(reg, hex(self.regs.get(reg).unsigned_value))) diff --git a/riscemu/instructions/__init__.py b/riscemu/instructions/__init__.py index 3343ae8..45b5566 100644 --- a/riscemu/instructions/__init__.py +++ b/riscemu/instructions/__init__.py @@ -10,7 +10,8 @@ from .instruction_set import InstructionSet, Instruction from .RV32M import RV32M from .RV32I import RV32I from .RV32A import RV32A +from .RV_Debug import RV_Debug InstructionSetDict = { - v.__name__: v for v in [RV32I, RV32M, RV32A] + v.__name__: v for v in [RV32I, RV32M, RV32A, RV_Debug] }