Add support for floats (#22)

Adding a `Float32` datatype is necessary, since python makes no guarantees to the bitwidth of `float` (it's often a double) Also adding the `RV32F` extension with most operations implemented, and support for floating point registers.
AntonLydike · Jun 6, 2023 · be90879 · be90879
1 parent 5a23804
commit be90879
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Showing 12 changed files with 895 additions and 84 deletions.
diff --git a/.idea/misc.xml b/.idea/misc.xml
diff --git a/.idea/riscemu.iml b/.idea/riscemu.iml
diff --git a/riscemu/MMU.py b/riscemu/MMU.py
@@ -16,6 +16,7 @@
     Program,
     InstructionContext,
     Int32,
+    Float32,
 )
 from .types.exceptions import InvalidAllocationException, MemoryAccessException
 
@@ -187,6 +188,9 @@ def label(self, symb: str):
     def read_int(self, addr: int) -> Int32:
         return Int32(self.read(addr, 4))
 
+    def read_float(self, addr: int) -> Float32:
+        return Float32(self.read(addr, 4))
+
     def translate_address(self, address: T_AbsoluteAddress) -> str:
         sec = self.get_sec_containing(address)
         if not sec: