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author | Gabe Black <gabeblack@google.com> | 2018-09-01 18:53:23 -0700 |
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committer | Gabe Black <gabeblack@google.com> | 2018-10-03 00:51:34 +0000 |
commit | 9da2cdd3783abecbc3ccf4a74b3b928eab65fae2 (patch) | |
tree | aa62c43ce267601f658d91e480d251ae402861c3 | |
parent | 026b3f909e6eb180f1fffb1a1c05317224f1ca29 (diff) | |
download | gem5-9da2cdd3783abecbc3ccf4a74b3b928eab65fae2.tar.xz |
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 <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
-rw-r--r-- | src/systemc/core/sc_module.cc | 30 |
1 files 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<bool> &) +at_posedge(const sc_signal_in_if<bool> &s) { - warn("%s not implemented.\n", __PRETTY_FUNCTION__); + while (s.read()) + wait(); + while (!s.read()) + wait(); } void -at_posedge(const sc_signal_in_if<sc_dt::sc_logic> &) +at_posedge(const sc_signal_in_if<sc_dt::sc_logic> &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<bool> &) +at_negedge(const sc_signal_in_if<bool> &s) { - warn("%s not implemented.\n", __PRETTY_FUNCTION__); + while (!s.read()) + wait(); + while (s.read()) + wait(); } void -at_negedge(const sc_signal_in_if<sc_dt::sc_logic> &) +at_negedge(const sc_signal_in_if<sc_dt::sc_logic> &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 * |