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Diffstat (limited to 'src/systemc/ext/channel/sc_signal.hh')
-rw-r--r--src/systemc/ext/channel/sc_signal.hh100
1 files changed, 81 insertions, 19 deletions
diff --git a/src/systemc/ext/channel/sc_signal.hh b/src/systemc/ext/channel/sc_signal.hh
index 7c0183763..672eef596 100644
--- a/src/systemc/ext/channel/sc_signal.hh
+++ b/src/systemc/ext/channel/sc_signal.hh
@@ -31,6 +31,7 @@
#define __SYSTEMC_EXT_CHANNEL_SC_SIGNAL_HH__
#include <iostream>
+#include <sstream>
#include <string>
#include <vector>
@@ -39,7 +40,6 @@
#include "../core/sc_prim.hh"
#include "../dt/bit/sc_logic.hh"
#include "sc_signal_inout_if.hh"
-#include "warn_unimpl.hh" // for warn_unimpl
namespace sc_core
{
@@ -53,22 +53,41 @@ class sc_signal : public sc_signal_inout_if<T>,
public:
sc_signal() : sc_signal_inout_if<T>(),
sc_prim_channel(sc_gen_unique_name("signal")),
- m_cur_val(T()), m_new_val(T()), _changeStamp(~0ULL)
+ m_cur_val(T()), m_new_val(T()), _changeStamp(~0ULL),
+ _gem5Writer(NULL)
{}
explicit sc_signal(const char *name) :
sc_signal_inout_if<T>(), sc_prim_channel(name),
- m_cur_val(T()), m_new_val(T()), _changeStamp(~0ULL)
+ m_cur_val(T()), m_new_val(T()), _changeStamp(~0ULL),
+ _gem5Writer(NULL)
{}
explicit sc_signal(const char *name, const T &initial_value) :
sc_signal_inout_if<T>(), sc_prim_channel(name),
- m_cur_val(initial_value), m_new_val(initial_value), _changeStamp(~0ULL)
+ m_cur_val(initial_value), m_new_val(initial_value),
+ _changeStamp(~0ULL), _gem5Writer(NULL)
{}
virtual ~sc_signal() {}
virtual void
- register_port(sc_port_base &, const char *)
- {
- sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
+ register_port(sc_port_base &port, const char *iface_type_name)
+ {
+ if (WRITER_POLICY == SC_ONE_WRITER &&
+ std::string(iface_type_name) ==
+ typeid(sc_signal_inout_if<T>).name()) {
+ if (_gem5Writer) {
+ std::ostringstream ss;
+ ss << "\n signal " << "`" << name() << "' (" <<
+ kind() << ")";
+ ss << "\n first driver `" << _gem5Writer->name() << "' (" <<
+ _gem5Writer->kind() << ")";
+ ss << "\n second driver `" << port.name() << "' (" <<
+ port.kind() << ")";
+ SC_REPORT_ERROR(
+ "(E115) sc_signal<T> cannot have more than one driver",
+ ss.str().c_str());
+ }
+ _gem5Writer = &port;
+ }
}
virtual const T &read() const { return m_cur_val; }
@@ -156,6 +175,7 @@ class sc_signal : public sc_signal_inout_if<T>,
private:
sc_event _valueChangedEvent;
uint64_t _changeStamp;
+ sc_port_base *_gem5Writer;
// Disabled
sc_signal(const sc_signal<T, WRITER_POLICY> &) :
@@ -179,24 +199,43 @@ class sc_signal<bool, WRITER_POLICY> :
sc_signal() : sc_signal_inout_if<bool>(),
sc_prim_channel(sc_gen_unique_name("signal")),
m_cur_val(bool()), m_new_val(bool()),
- _changeStamp(~0ULL), _posStamp(~0ULL), _negStamp(~0ULL)
+ _changeStamp(~0ULL), _posStamp(~0ULL), _negStamp(~0ULL),
+ _gem5Writer(NULL)
{}
explicit sc_signal(const char *name) :
sc_signal_inout_if<bool>(), sc_prim_channel(name),
m_cur_val(bool()), m_new_val(bool()),
- _changeStamp(~0ULL), _posStamp(~0ULL), _negStamp(~0ULL)
+ _changeStamp(~0ULL), _posStamp(~0ULL), _negStamp(~0ULL),
+ _gem5Writer(NULL)
{}
explicit sc_signal(const char *name, const bool &initial_value) :
sc_signal_inout_if<bool>(), sc_prim_channel(name),
m_cur_val(initial_value), m_new_val(initial_value),
- _changeStamp(~0ULL), _posStamp(~0ULL), _negStamp(~0ULL)
+ _changeStamp(~0ULL), _posStamp(~0ULL), _negStamp(~0ULL),
+ _gem5Writer(NULL)
{}
virtual ~sc_signal() {}
virtual void
- register_port(sc_port_base &, const char *)
- {
- sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
+ register_port(sc_port_base &port, const char *iface_type_name)
+ {
+ if (WRITER_POLICY == SC_ONE_WRITER &&
+ std::string(iface_type_name) ==
+ typeid(sc_signal_inout_if<bool>).name()) {
+ if (_gem5Writer) {
+ std::ostringstream ss;
+ ss << "\n signal " << "`" << name() << "' (" <<
+ kind() << ")";
+ ss << "\n first driver `" << _gem5Writer->name() << "' (" <<
+ _gem5Writer->kind() << ")";
+ ss << "\n second driver `" << port.name() << "' (" <<
+ port.kind() << ")";
+ SC_REPORT_ERROR(
+ "(E115) sc_signal<T> cannot have more than one driver",
+ ss.str().c_str());
+ }
+ _gem5Writer = &port;
+ }
}
virtual const bool &read() const { return m_cur_val; }
@@ -314,6 +353,8 @@ class sc_signal<bool, WRITER_POLICY> :
uint64_t _posStamp;
uint64_t _negStamp;
+ sc_port_base *_gem5Writer;
+
// Disabled
sc_signal(const sc_signal<bool, WRITER_POLICY> &) :
sc_signal_inout_if<bool>(), sc_prim_channel("")
@@ -328,25 +369,44 @@ class sc_signal<sc_dt::sc_logic, WRITER_POLICY> :
sc_signal() : sc_signal_inout_if<sc_dt::sc_logic>(),
sc_prim_channel(sc_gen_unique_name("signal")),
m_cur_val(sc_dt::sc_logic()), m_new_val(sc_dt::sc_logic()),
- _changeStamp(~0ULL), _posStamp(~0ULL), _negStamp(~0ULL)
+ _changeStamp(~0ULL), _posStamp(~0ULL), _negStamp(~0ULL),
+ _gem5Writer(NULL)
{}
explicit sc_signal(const char *name) :
sc_signal_inout_if<sc_dt::sc_logic>(), sc_prim_channel(name),
m_cur_val(sc_dt::sc_logic()), m_new_val(sc_dt::sc_logic()),
- _changeStamp(~0ULL), _posStamp(~0ULL), _negStamp(~0ULL)
+ _changeStamp(~0ULL), _posStamp(~0ULL), _negStamp(~0ULL),
+ _gem5Writer(NULL)
{}
explicit sc_signal(const char *name,
const sc_dt::sc_logic &initial_value) :
sc_signal_inout_if<sc_dt::sc_logic>(), sc_prim_channel(name),
m_cur_val(initial_value), m_new_val(initial_value),
- _changeStamp(~0ULL), _posStamp(~0ULL), _negStamp(~0ULL)
+ _changeStamp(~0ULL), _posStamp(~0ULL), _negStamp(~0ULL),
+ _gem5Writer(NULL)
{}
virtual ~sc_signal() {}
virtual void
- register_port(sc_port_base &, const char *)
- {
- sc_channel_warn_unimpl(__PRETTY_FUNCTION__);
+ register_port(sc_port_base &port, const char *iface_type_name)
+ {
+ if (WRITER_POLICY == SC_ONE_WRITER &&
+ std::string(iface_type_name) ==
+ typeid(sc_signal_inout_if<sc_dt::sc_logic>).name()) {
+ if (_gem5Writer) {
+ std::ostringstream ss;
+ ss << "\n signal " << "`" << name() << "' (" <<
+ kind() << ")";
+ ss << "\n first driver `" << _gem5Writer->name() << "' (" <<
+ _gem5Writer->kind() << ")";
+ ss << "\n second driver `" << port.name() << "' (" <<
+ port.kind() << ")";
+ SC_REPORT_ERROR(
+ "(E115) sc_signal<T> cannot have more than one driver",
+ ss.str().c_str());
+ }
+ _gem5Writer = &port;
+ }
}
virtual const sc_dt::sc_logic &read() const { return m_cur_val; }
@@ -464,6 +524,8 @@ class sc_signal<sc_dt::sc_logic, WRITER_POLICY> :
uint64_t _posStamp;
uint64_t _negStamp;
+ sc_port_base *_gem5Writer;
+
// Disabled
sc_signal(const sc_signal<sc_dt::sc_logic, WRITER_POLICY> &) :
sc_signal_inout_if<sc_dt::sc_logic>(), sc_prim_channel("")
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-13 17:29:56 +0000