summaryrefslogtreecommitdiff
path: root/src/arch/arm/fastmodel/protocol
diff options
context:
space:
mode:
Diffstat (limited to 'src/arch/arm/fastmodel/protocol')
-rw-r--r--src/arch/arm/fastmodel/protocol/SConscript2
-rw-r--r--src/arch/arm/fastmodel/protocol/SignalInterruptProtocol.lisa47
-rw-r--r--src/arch/arm/fastmodel/protocol/signal_interrupt.hh121
3 files changed, 170 insertions, 0 deletions
diff --git a/src/arch/arm/fastmodel/protocol/SConscript b/src/arch/arm/fastmodel/protocol/SConscript
index b0171f136..f82e04c2a 100644
--- a/src/arch/arm/fastmodel/protocol/SConscript
+++ b/src/arch/arm/fastmodel/protocol/SConscript
@@ -27,3 +27,5 @@
Depends('ExportedClockRateControlProtocol.lisa',
'exported_clock_rate_control.hh')
+Depends('SignalInterruptProtocol.lisa',
+ 'signal_interrupt.hh')
diff --git a/src/arch/arm/fastmodel/protocol/SignalInterruptProtocol.lisa b/src/arch/arm/fastmodel/protocol/SignalInterruptProtocol.lisa
new file mode 100644
index 000000000..d8b9a6182
--- /dev/null
+++ b/src/arch/arm/fastmodel/protocol/SignalInterruptProtocol.lisa
@@ -0,0 +1,47 @@
+/*
+ * Copyright 2019 Google Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Authors: Gabe Black
+ */
+
+protocol SignalInterrupt
+{
+ includes
+ {
+ #include "arch/arm/fastmodel/protocol/signal_interrupt.hh"
+ }
+ properties
+ {
+ description = "Signal an interrupt from gem5.";
+ version = "1.0";
+ dso_safe = 0;
+ sc_slave_base_class_name = "SignalInterruptSlaveBase";
+ sc_slave_socket_class_name = "SignalInterruptTargetSocket";
+ }
+
+ slave behavior ppi(uint8_t cpu, uint32_t num, bool state);
+ slave behavior spi(uint32_t num, bool state);
+}
diff --git a/src/arch/arm/fastmodel/protocol/signal_interrupt.hh b/src/arch/arm/fastmodel/protocol/signal_interrupt.hh
new file mode 100644
index 000000000..4cf047158
--- /dev/null
+++ b/src/arch/arm/fastmodel/protocol/signal_interrupt.hh
@@ -0,0 +1,121 @@
+/*
+ * Copyright 2019 Google, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Authors: Gabe Black
+ */
+
+#ifndef __ARCH_ARM_FASTMODEL_PROTOCOL_SIGNAL_INTERRUPT_HH__
+#define __ARCH_ARM_FASTMODEL_PROTOCOL_SIGNAL_INTERRUPT_HH__
+
+#include <string>
+#include <systemc>
+#include <tlm>
+
+struct SignalInterruptDummyProtocolType {};
+
+class SignalInterruptFwIf : public virtual sc_core::sc_interface
+{
+ public:
+ virtual ~SignalInterruptFwIf() {}
+ virtual void ppi(uint8_t cpu, uint32_t num, bool state) = 0;
+ virtual void spi(uint32_t num, bool state) = 0;
+};
+
+class SignalInterruptBwIf : public virtual sc_core::sc_interface
+{
+ public:
+ virtual ~SignalInterruptBwIf() {}
+};
+
+class SignalInterruptSlaveBase : public SignalInterruptFwIf
+{
+ public:
+ SignalInterruptSlaveBase(const std::string &name) {}
+};
+
+class SignalInterruptInitiatorSocket :
+ public tlm::tlm_base_initiator_socket<64, SignalInterruptFwIf,
+ SignalInterruptBwIf>
+{
+ private:
+ SignalInterruptBwIf dummyBwIf;
+
+ public:
+ typedef tlm::tlm_base_initiator_socket<64, SignalInterruptFwIf,
+ SignalInterruptBwIf> Base;
+
+ using Base::bind;
+ using Base::operator();
+
+ SignalInterruptInitiatorSocket() : Base()
+ {
+ get_base_export().bind(dummyBwIf);
+ }
+ SignalInterruptInitiatorSocket(const char *name) : Base(name)
+ {
+ get_base_export().bind(dummyBwIf);
+ }
+
+ const char *
+ kind() const override
+ {
+ return "SignalInterruptInitiatorSocket";
+ }
+
+ std::type_index
+ get_protocol_types() const override
+ {
+ return typeid(SignalInterruptDummyProtocolType);
+ }
+};
+
+class SignalInterruptTargetSocket :
+ public tlm::tlm_base_target_socket<64, SignalInterruptFwIf,
+ SignalInterruptBwIf>
+{
+ public:
+ typedef tlm::tlm_base_target_socket<64, SignalInterruptFwIf,
+ SignalInterruptBwIf> Base;
+
+ using Base::bind;
+ using Base::operator();
+
+ using Base::Base;
+
+ const char *
+ kind() const override
+ {
+ return "SignalInterruptInitiatorSocket";
+ }
+
+ std::type_index
+ get_protocol_types() const override
+ {
+ return typeid(SignalInterruptDummyProtocolType);
+ }
+};
+
+#endif // __ARCH_ARM_FASTMODEL_PROTOCOL_SIGNAL_INTERRUPT_HH__