From 9da2cdd3783abecbc3ccf4a74b3b928eab65fae2 Mon Sep 17 00:00:00 2001 From: Gabe Black Date: Sat, 1 Sep 2018 18:53:23 -0700 Subject: [PATCH] systemc: Implement the nonstandard at_negedge and at_posedge. Change-Id: I7ea5cfd309db4b9883df551fd7dcec186e4f38a3 Reviewed-on: https://gem5-review.googlesource.com/c/12467 Reviewed-by: Gabe Black Maintainer: Gabe Black --- src/systemc/core/sc_module.cc | 30 ++++++++++++++++++++++-------- 1 file changed, 22 insertions(+), 8 deletions(-) diff --git a/src/systemc/core/sc_module.cc b/src/systemc/core/sc_module.cc index 6be3818da..8418a3136 100644 --- a/src/systemc/core/sc_module.cc +++ b/src/systemc/core/sc_module.cc @@ -35,8 +35,10 @@ #include "systemc/core/kernel.hh" #include "systemc/core/module.hh" #include "systemc/core/process_types.hh" +#include "systemc/ext/channel/sc_signal_in_if.hh" #include "systemc/ext/core/sc_module.hh" #include "systemc/ext/core/sc_module_name.hh" +#include "systemc/ext/dt/bit/sc_logic.hh" #include "systemc/ext/utils/sc_report_handler.hh" namespace sc_gem5 @@ -672,27 +674,39 @@ halt() } void -at_posedge(const sc_signal_in_if &) +at_posedge(const sc_signal_in_if &s) { - warn("%s not implemented.\n", __PRETTY_FUNCTION__); + while (s.read()) + wait(); + while (!s.read()) + wait(); } void -at_posedge(const sc_signal_in_if &) +at_posedge(const sc_signal_in_if &s) { - warn("%s not implemented.\n", __PRETTY_FUNCTION__); + while (s.read() == sc_dt::Log_1) + wait(); + while (s.read() == sc_dt::Log_0) + wait(); } void -at_negedge(const sc_signal_in_if &) +at_negedge(const sc_signal_in_if &s) { - warn("%s not implemented.\n", __PRETTY_FUNCTION__); + while (!s.read()) + wait(); + while (s.read()) + wait(); } void -at_negedge(const sc_signal_in_if &) +at_negedge(const sc_signal_in_if &s) { - warn("%s not implemented.\n", __PRETTY_FUNCTION__); + while (s.read() == sc_dt::Log_0) + wait(); + while (s.read() == sc_dt::Log_1) + wait(); } const char * -- 2.30.2