From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Sun, 21 Jul 2019 15:03:46 +0000 (+0100)
Subject: add preliminary DivPipeCalculateStage and DivPipeFinalStage
X-Git-Tag: ls180-24jan2020~800
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=b9139fd9601e261f01eead8be349f73f91d8e7df;p=ieee754fpu.git

add preliminary DivPipeCalculateStage and DivPipeFinalStage
---

diff --git a/src/ieee754/div_rem_sqrt_rsqrt/div_pipe.py b/src/ieee754/div_rem_sqrt_rsqrt/div_pipe.py
index 24be906f..325fceaa 100644
--- a/src/ieee754/div_rem_sqrt_rsqrt/div_pipe.py
+++ b/src/ieee754/div_rem_sqrt_rsqrt/div_pipe.py
@@ -133,8 +133,29 @@ class DivPipeBaseStage:
 # FIXME: in DivPipeSetupStage.elaborate
 # DivPipeBaseStage._elaborate(self, m, platform)
 
-# FIXME: in DivPipeCalculateStage.elaborate
-# DivPipeBaseStage._elaborate(self, m, platform)
 
-# FIXME: in DivPipeFinalStage.elaborate
-# DivPipeBaseStage._elaborate(self, m, platform)
+class DivPipeCalculateStage(DivPipeBaseStage, DivPipeCoreCalculateStage):
+
+    def __init__(self, pspec, stage_index):
+        # XXX TODO: get core_config from pspec
+        DivPipeCoreCalculateStage.__init__(core_config, stage_index)
+        self.pspec = pspec
+
+    def elaborate(self, platform):
+        m = DivPipeCoreCalculateStage(platform) # XXX TODO: out_do_z logic!
+        self._elaborate(m, platform)
+        return m
+
+
+class DivPipeFinalStage(DivPipeBaseStage, DivPipeCoreFinalStage):
+
+    def __init__(self, pspec, stage_index):
+        # XXX TODO: get core_config from pspec
+        DivPipeCoreFinalStage.__init__(core_config, stage_index)
+        self.pspec = pspec
+
+    def elaborate(self, platform):
+        m = DivPipeCoreCalculateStage(platform) # XXX TODO: out_do_z logic!
+        self._elaborate(m, platform)
+        return m
+