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cleans up project and adds axi4_pin_level test

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Eyck Jentzsch 2022-10-02 08:14:58 +02:00
parent 219c2e60cd
commit 6516244afe
37 changed files with 386 additions and 2836 deletions
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@ -1,285 +1,53 @@
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<autodiscovery enabled="true" problemReportingEnabled="true" selectedProfileId=""/>
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<scannerConfigBuildInfo instanceId="cdt.managedbuild.toolchain.gnu.base.2088633632;cdt.managedbuild.toolchain.gnu.base.2088633632.654284138;cdt.managedbuild.tool.gnu.c.compiler.base.1686982336;cdt.managedbuild.tool.gnu.c.compiler.input.1800687036">
<autodiscovery enabled="true" problemReportingEnabled="true" selectedProfileId=""/>
</scannerConfigBuildInfo>
<scannerConfigBuildInfo instanceId="cdt.managedbuild.toolchain.gnu.base.2088633632.342506890;cdt.managedbuild.toolchain.gnu.base.2088633632.342506890.;cdt.managedbuild.tool.gnu.c.compiler.base.1199035274;cdt.managedbuild.tool.gnu.c.compiler.input.471260944">
<autodiscovery enabled="true" problemReportingEnabled="true" selectedProfileId=""/>
</scannerConfigBuildInfo>
</storageModule>
<storageModule moduleId="org.eclipse.cdt.make.core.buildtargets">
<buildTargets>
<target name="test" path="" targetID="org.eclipse.cdt.build.MakeTargetBuilder">
<buildCommand>CMAKE_BUILD_TOOL</buildCommand>
<buildArguments>$&lt;cmake4eclipse_dyn&gt;</buildArguments>
<buildTarget>test</buildTarget>
<stopOnError>true</stopOnError>
<useDefaultCommand>true</useDefaultCommand>
<runAllBuilders>true</runAllBuilders>
</target>
</buildTargets>
</storageModule>
<storageModule moduleId="org.eclipse.cdt.make.core.buildtargets"/>
</cproject>

8
CMakeLists.txt
View File

@ -15,7 +15,7 @@ include(BuildType)
#enable_testing()
set(CMAKE_CXX_STANDARD 11)
set(CMAKE_CXX_STANDARD 14)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS OFF)
set(CMAKE_POSITION_INDEPENDENT_CODE ON)
@ -61,7 +61,7 @@ endif()
endif()
conan_check()
conan_configure(REQUIRES fmt/6.1.2 boost/1.75.0 gsl-lite/0.37.0 systemc/2.3.3 systemc-cci/1.0.0
conan_configure(REQUIRES fmt/6.1.2 boost/1.75.0 gsl-lite/0.37.0 systemc/2.3.3 systemc-cci/1.0.0 catch2/3.1.0
GENERATORS cmake_find_package
OPTIONS fmt:header_only=True
)
@ -72,10 +72,12 @@ find_package(ZLIB)
set(Boost_NO_BOOST_CMAKE ON) # Don't do a find_package in config mode before searching for a regular boost install.
find_package(Boost COMPONENTS program_options filesystem system thread REQUIRED)
find_package(fmt)
find_package(Catch2)
include(SystemCPackage)
enable_testing()
add_subdirectory(scc)
add_subdirectory(examples)
add_subdirectory(src)
add_subdirectory(tests)

60
etc/irq_wave.sav
View File

@ -1,60 +0,0 @@
[*]
[*] GTKWave Analyzer v3.3.66 (w)1999-2015 BSI
[*] Fri Sep 22 20:16:21 2017
[*]
[dumpfile] "/home/valid/project/minres2/SystemC-Components-Test/simple_system.vcd"
[dumpfile_mtime] "Fri Sep 22 20:15:38 2017"
[dumpfile_size] 69714
[savefile] "/home/valid/project/minres2/SystemC-Components-Test/etc/irq_wave.sav"
[timestart] 4
[size] 1920 924
[pos] -1 -1
*-3.538420 30 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1
[sst_width] 397
[signals_width] 422
[sst_expanded] 1
[sst_vpaned_height] 334
@200
-System signals
@28
SystemC.\i_simple_system.s_rst
@24
SystemC.\i_simple_system.s_clk[63:0]
@28
SystemC.\i_simple_system.s_core_interrupt
SystemC.\i_simple_system.s_global_interrupts_0
SystemC.\i_simple_system.s_global_interrupts_1
SystemC.\i_simple_system.s_global_interrupts_2
SystemC.\i_simple_system.s_global_interrupts_3
SystemC.\i_simple_system.s_global_interrupts_4
@200
-Master
@28
SystemC.\i_simple_system.i_master.rst_i
SystemC.\i_simple_system.i_master.core_interrupt_i
@200
-PLIC ports
@24
SystemC.\i_simple_system.i_plic.rst_i
SystemC.\i_simple_system.i_plic.clk_i[63:0]
@28
SystemC.\i_simple_system.i_plic.global_interrupts_i_0
SystemC.\i_simple_system.i_plic.global_interrupts_i_1
SystemC.\i_simple_system.i_plic.global_interrupts_i_2
SystemC.\i_simple_system.i_plic.global_interrupts_i_3
SystemC.\i_simple_system.i_plic.global_interrupts_i_4
@200
-PLIC regs
@22
SystemC.\i_simple_system.i_plic.regs.enabled[31:0]
SystemC.\i_simple_system.i_plic.regs.pending[31:0]
@23
SystemC.\i_simple_system.i_plic.regs.priority0[31:0]
@22
SystemC.\i_simple_system.i_plic.regs.priority1[31:0]
SystemC.\i_simple_system.i_plic.regs.priority2[31:0]
SystemC.\i_simple_system.i_plic.regs.priority3[31:0]
SystemC.\i_simple_system.i_plic.regs.threshold[31:0]
SystemC.\i_simple_system.i_plic.regs.claim_complete[31:0]
[pattern_trace] 1
[pattern_trace] 0

44
etc/simple_system.launch
View File

@ -1,44 +0,0 @@
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<launchConfiguration type="org.eclipse.cdt.launch.applicationLaunchType">
<booleanAttribute key="de.toem.impulse.launchactivateLaunch" value="false"/>
<booleanAttribute key="de.toem.impulse.launchactivateTermination" value="false"/>
<intAttribute key="de.toem.impulse.launchdelayLaunch" value="0"/>
<intAttribute key="de.toem.impulse.launchlaunch" value="2"/>
<intAttribute key="de.toem.impulse.launchmode" value="3"/>
<stringAttribute key="de.toem.impulse.launchport" value=""/>
<booleanAttribute key="de.toem.impulse.launchrestart" value="true"/>
<intAttribute key="de.toem.impulse.launchterminate" value="1"/>
<booleanAttribute key="org.eclipse.cdt.dsf.gdb.AUTO_SOLIB" value="true"/>
<listAttribute key="org.eclipse.cdt.dsf.gdb.AUTO_SOLIB_LIST"/>
<stringAttribute key="org.eclipse.cdt.dsf.gdb.DEBUG_NAME" value="gdb"/>
<booleanAttribute key="org.eclipse.cdt.dsf.gdb.DEBUG_ON_FORK" value="false"/>
<stringAttribute key="org.eclipse.cdt.dsf.gdb.GDB_INIT" value=".gdbinit"/>
<booleanAttribute key="org.eclipse.cdt.dsf.gdb.NON_STOP" value="false"/>
<booleanAttribute key="org.eclipse.cdt.dsf.gdb.REVERSE" value="false"/>
<stringAttribute key="org.eclipse.cdt.dsf.gdb.REVERSE_MODE" value="UseSoftTrace"/>
<listAttribute key="org.eclipse.cdt.dsf.gdb.SOLIB_PATH"/>
<stringAttribute key="org.eclipse.cdt.dsf.gdb.TRACEPOINT_MODE" value="TP_NORMAL_ONLY"/>
<booleanAttribute key="org.eclipse.cdt.dsf.gdb.UPDATE_THREADLIST_ON_SUSPEND" value="false"/>
<booleanAttribute key="org.eclipse.cdt.dsf.gdb.internal.ui.launching.LocalApplicationCDebuggerTab.DEFAULTS_SET" value="true"/>
<intAttribute key="org.eclipse.cdt.launch.ATTR_BUILD_BEFORE_LAUNCH_ATTR" value="2"/>
<stringAttribute key="org.eclipse.cdt.launch.DEBUGGER_ID" value="gdb"/>
<stringAttribute key="org.eclipse.cdt.launch.DEBUGGER_START_MODE" value="run"/>
<booleanAttribute key="org.eclipse.cdt.launch.DEBUGGER_STOP_AT_MAIN" value="true"/>
<stringAttribute key="org.eclipse.cdt.launch.DEBUGGER_STOP_AT_MAIN_SYMBOL" value="sc_main"/>
<stringAttribute key="org.eclipse.cdt.launch.PROGRAM_ARGUMENTS" value="-d"/>
<stringAttribute key="org.eclipse.cdt.launch.PROGRAM_NAME" value="build/Debug/bin/simple_system"/>
<stringAttribute key="org.eclipse.cdt.launch.PROJECT_ATTR" value="sc-components-test"/>
<booleanAttribute key="org.eclipse.cdt.launch.PROJECT_BUILD_CONFIG_AUTO_ATTR" value="false"/>
<stringAttribute key="org.eclipse.cdt.launch.PROJECT_BUILD_CONFIG_ID_ATTR" value="cdt.managedbuild.config.gnu.macosx.exe.debug.133691581"/>
<listAttribute key="org.eclipse.debug.core.MAPPED_RESOURCE_PATHS">
<listEntry value="/sc-components-test"/>
</listAttribute>
<listAttribute key="org.eclipse.debug.core.MAPPED_RESOURCE_TYPES">
<listEntry value="4"/>
</listAttribute>
<mapAttribute key="org.eclipse.debug.core.environmentVariables">
<mapEntry key="SC_SIGNAL_WRITE_CHECK" value="DISABLE"/>
</mapAttribute>
<stringAttribute key="org.eclipse.dsf.launch.MEMORY_BLOCKS" value="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&#10;&lt;memoryBlockExpressionList context=&quot;reserved-for-future-use&quot;/&gt;&#10;"/>
<stringAttribute key="process_factory_id" value="org.eclipse.cdt.dsf.gdb.GdbProcessFactory"/>
</launchConfiguration>

8
examples/CMakeLists.txt
View File

@ -1,8 +0,0 @@
cmake_minimum_required(VERSION 3.12)
if(SCV_FOUND)
add_subdirectory(transaction_recording)
endif()
add_subdirectory(simple_system)
add_subdirectory(ahb_bfm)

10
examples/ahb_bfm/CMakeLists.txt
View File

@ -1,10 +0,0 @@
cmake_minimum_required(VERSION 3.3)
# Add executable called "transaction_recording" that is built from the source files
# "scv_tr_recording_example.cpp". The extensions are automatically found.
add_executable (ahb_bfm
sc_main.cpp
)
# Link the executable to the sc_components library. Since the sc_components library has
# public include directories we will use those link directories when building
# transaction_recording
target_link_libraries (ahb_bfm LINK_PUBLIC scc)

145
examples/ahb_bfm/sc_main.cpp
View File

@ -1,145 +0,0 @@
#include <ahb/pin/initiator.h>
#include <ahb/pin/target.h>
#include <tlm/scc/initiator_mixin.h>
#include <tlm/scc/target_mixin.h>
#include <scc/configurable_tracer.h>
#include <scc/configurer.h>
#include <scc/report.h>
#include <scc/tracer.h>
#include <scc/traceable.h>
#include <cci_utils/broker.h>
#include <fstream>
using namespace sc_core;
using namespace scc;
class testbench: public sc_module, public scc::traceable {
public:
enum { WIDTH=64};
tlm::scc::initiator_mixin<tlm::tlm_initiator_socket<WIDTH>> isck{"isck"};
ahb::pin::initiator<WIDTH> intor{"intor"};
sc_core::sc_clock HCLK{"HCLK", 10_ns};
sc_core::sc_signal<bool> HRESETn{"HRESETn"};
sc_core::sc_signal<sc_dt::sc_uint<32>> HADDR{"HADDR"};
sc_core::sc_signal<sc_dt::sc_uint<3>> HBURST{"HBURST"};
sc_core::sc_signal<bool> HMASTLOCK{"HMASTLOCK"};
sc_core::sc_signal<sc_dt::sc_uint<4>> HPROT{"HPROT"};
sc_core::sc_signal<sc_dt::sc_uint<3>> HSIZE{"HSIZE"};
sc_core::sc_signal<sc_dt::sc_uint<2>> HTRANS{"HTRANS"};
sc_core::sc_signal<sc_dt::sc_uint<WIDTH>> HWDATA{"HWDATA"};
sc_core::sc_signal<bool> HWRITE{"HWRITE"};
sc_core::sc_signal<sc_dt::sc_uint<WIDTH>> HRDATA{"HRDATA"};
sc_core::sc_signal<bool> HREADY{"HREADY"};
sc_core::sc_signal<bool> HRESP{"HRESP"};
sc_core::sc_signal<bool> HSEL{"HSEL"};
ahb::pin::target<WIDTH> target{"target"};
tlm::scc::target_mixin<tlm::tlm_target_socket<WIDTH>> tsck{"tsck"};
testbench(sc_module_name nm):sc_module(nm){
SC_HAS_PROCESS(testbench);
isck(intor.tsckt);
intor.HCLK_i(HCLK);
intor.HRESETn_i(HRESETn);
intor.HADDR_o(HADDR);
intor.HBURST_o(HBURST);
intor.HMASTLOCK_o(HMASTLOCK);
intor.HPROT_o(HPROT);
intor.HSIZE_o(HSIZE);
intor.HTRANS_o(HTRANS);
intor.HWDATA_o(HWDATA);
intor.HWRITE_o(HWRITE);
intor.HRDATA_i(HRDATA);
intor.HREADY_i(HREADY);
intor.HRESP_i(HRESP);
target.HCLK_i(HCLK);
target.HRESETn_i(HRESETn);
target.HADDR_i(HADDR);
target.HBURST_i(HBURST);
target.HMASTLOCK_i(HMASTLOCK);
target.HPROT_i(HPROT);
target.HSIZE_i(HSIZE);
target.HTRANS_i(HTRANS);
target.HWDATA_i(HWDATA);
target.HWRITE_i(HWRITE);
target.HSEL_i(HSEL);
target.HRDATA_o(HRDATA);
target.HREADY_o(HREADY);
target.HRESP_o(HRESP);
target.isckt(tsck);
SC_THREAD(run);
tsck.register_b_transport([this](tlm::tlm_generic_payload& gp, sc_time& delay){
gp.set_response_status(tlm::TLM_OK_RESPONSE);
if(gp.is_write()){
SCCINFO(SCMOD)<<"Received write access to addr 0x"<<std::hex<<gp.get_address();
} else{
memset(gp.get_data_ptr(), 0x55, gp.get_data_length());
SCCINFO(SCMOD)<<"Received read access from addr 0x"<<std::hex<<gp.get_address();
}
});
}
void run(){
HRESETn.write(false);
for(size_t i=0; i<10; ++i) wait(HCLK.posedge_event());
HRESETn.write(true);
wait(HCLK.posedge_event());
HSEL.write(true);
tlm::tlm_generic_payload gp;
std::array<uint8_t, 8> data;
data[0]=2;
data[1]=4;
gp.set_address(0x1000);
gp.set_data_length(8);
gp.set_data_ptr(data.data());
gp.set_streaming_width(8);
gp.set_command(tlm::TLM_WRITE_COMMAND);
sc_time delay;
isck->b_transport(gp, delay);
gp.set_address(0x1020);
gp.set_data_length(8);
gp.set_data_ptr(data.data());
gp.set_streaming_width(8);
gp.set_command(tlm::TLM_READ_COMMAND);
delay=SC_ZERO_TIME;
isck->b_transport(gp, delay);
for(size_t i=0; i<10; ++i) wait(HCLK.posedge_event());
sc_stop();
}
};
int sc_main (int argc , char *argv[]){
sc_core::sc_report_handler::set_actions( "/IEEE_Std_1666/deprecated", sc_core::SC_DO_NOTHING );
sc_report_handler::set_actions(SC_ID_MORE_THAN_ONE_SIGNAL_DRIVER_, SC_DO_NOTHING);
///////////////////////////////////////////////////////////////////////////
// configure logging
///////////////////////////////////////////////////////////////////////////
scc::init_logging(scc::log::DEBUG);
///////////////////////////////////////////////////////////////////////////
// set up configuration and tracing
///////////////////////////////////////////////////////////////////////////
scc::configurer cfg("ahb_bfm.json");
scc::configurable_tracer trace("ahb_bfm", tracer::TEXT, true, true);
///////////////////////////////////////////////////////////////////////////
// create modules/channels and trace
///////////////////////////////////////////////////////////////////////////
testbench tb("tb");
trace.add_control();
{
std::ofstream of{"ahb_test.default.json"};
if (of.is_open()) cfg.dump_configuration(of);
}
cfg.configure();
///////////////////////////////////////////////////////////////////////////
// run the simulation
///////////////////////////////////////////////////////////////////////////
try {
sc_core::sc_start(1_us);
if (!sc_core::sc_end_of_simulation_invoked()) sc_core::sc_stop();
} catch (sc_core::sc_report &rep) {
sc_core::sc_report_handler::get_handler()(rep, sc_core::SC_DISPLAY | sc_core::SC_STOP);
}
return 0;
}

18
examples/simple_system/CMakeLists.txt
View File

@ -1,18 +0,0 @@
cmake_minimum_required(VERSION 3.12)
find_package(Boost COMPONENTS program_options REQUIRED)
add_executable (simple_system
plic.cpp
uart.cpp
spi.cpp
gpio.cpp
test_initiator.cpp
simple_system.cpp
sc_main.cpp
)
target_link_libraries (simple_system LINK_PUBLIC scc)
if(TARGET Boost::program_options)
target_link_libraries(simple_system PUBLIC Boost::program_options)
else()
target_link_libraries(simple_system PUBLIC ${BOOST_program_options_LIBRARY})
endif()
add_test(NAME simple_system_test COMMAND simple_system)

27
examples/simple_system/gen/e300_plat_t.h
View File

@ -1,27 +0,0 @@
/*******************************************************************************
* Copyright 2017 eyck@minres.com
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy
* of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
******************************************************************************/
#ifndef _E300_PLAT_MAP_H_
#define _E300_PLAT_MAP_H_
// need double braces, see
// https://stackoverflow.com/questions/6893700/how-to-construct-stdarray-object-with-initializer-list#6894191
const std::array<scc::target_name_map_entry<32>, 4> e300_plat_map = {{
{"plic", 0x0c000000, 0x200008},
{"gpio", 0x10012000, 0x1000},
{"uart", 0x10013000, 0x1000},
{"spi", 0x10014000, 0x1000},
}};
#endif /* _E300_PLAT_MAP_H_ */

152
examples/simple_system/gen/gpio_regs.h
View File

@ -1,152 +0,0 @@
////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2017, MINRES Technologies GmbH
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
//
// 2. 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.
//
// 3. Neither the name of the copyright holder 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 HOLDER 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.
//
// Created on: Wed Sep 20 11:47:24 CEST 2017
// * gpio_regs.h Author: <RDL Generator>
//
////////////////////////////////////////////////////////////////////////////////
#ifndef _GPIO_REGS_H_
#define _GPIO_REGS_H_
#include <util/bit_field.h>
#include "scc/register.h"
#include "scc/tlm_target.h"
#include "scc/utilities.h"
namespace sysc {
class gpio_regs : public sc_core::sc_module, public scc::resetable {
public:
// storage declarations
uint32_t r_value;
uint32_t r_input_en;
uint32_t r_output_en;
uint32_t r_port;
uint32_t r_pue;
uint32_t r_ds;
uint32_t r_rise_ie;
uint32_t r_rise_ip;
uint32_t r_fall_ie;
uint32_t r_fall_ip;
uint32_t r_high_ie;
uint32_t r_high_ip;
uint32_t r_low_ie;
uint32_t r_low_ip;
uint32_t r_iof_en;
uint32_t r_iof_sel;
uint32_t r_out_xor;
// register declarations
scc::sc_register<uint32_t> value;
scc::sc_register<uint32_t> input_en;
scc::sc_register<uint32_t> output_en;
scc::sc_register<uint32_t> port;
scc::sc_register<uint32_t> pue;
scc::sc_register<uint32_t> ds;
scc::sc_register<uint32_t> rise_ie;
scc::sc_register<uint32_t> rise_ip;
scc::sc_register<uint32_t> fall_ie;
scc::sc_register<uint32_t> fall_ip;
scc::sc_register<uint32_t> high_ie;
scc::sc_register<uint32_t> high_ip;
scc::sc_register<uint32_t> low_ie;
scc::sc_register<uint32_t> low_ip;
scc::sc_register<uint32_t> iof_en;
scc::sc_register<uint32_t> iof_sel;
scc::sc_register<uint32_t> out_xor;
public:
gpio_regs(sc_core::sc_module_name nm);
template <unsigned BUSWIDTH = 32> void registerResources(scc::tlm_target<BUSWIDTH> &target);
};
}
//////////////////////////////////////////////////////////////////////////////
// member functions
//////////////////////////////////////////////////////////////////////////////
inline sysc::gpio_regs::gpio_regs(sc_core::sc_module_name nm)
: sc_core::sc_module(nm)
, NAMED(value, r_value, 0, *this)
, NAMED(input_en, r_input_en, 0, *this)
, NAMED(output_en, r_output_en, 0, *this)
, NAMED(port, r_port, 0, *this)
, NAMED(pue, r_pue, 0, *this)
, NAMED(ds, r_ds, 0, *this)
, NAMED(rise_ie, r_rise_ie, 0, *this)
, NAMED(rise_ip, r_rise_ip, 0, *this)
, NAMED(fall_ie, r_fall_ie, 0, *this)
, NAMED(fall_ip, r_fall_ip, 0, *this)
, NAMED(high_ie, r_high_ie, 0, *this)
, NAMED(high_ip, r_high_ip, 0, *this)
, NAMED(low_ie, r_low_ie, 0, *this)
, NAMED(low_ip, r_low_ip, 0, *this)
, NAMED(iof_en, r_iof_en, 0, *this)
, NAMED(iof_sel, r_iof_sel, 0, *this)
, NAMED(out_xor, r_out_xor, 0, *this) {}
template <unsigned BUSWIDTH> inline void sysc::gpio_regs::registerResources(scc::tlm_target<BUSWIDTH> &target) {
target.addResource(value, 0x0UL);
target.addResource(input_en, 0x4UL);
target.addResource(output_en, 0x8UL);
target.addResource(port, 0xcUL);
target.addResource(pue, 0x10UL);
target.addResource(ds, 0x14UL);
target.addResource(rise_ie, 0x18UL);
target.addResource(rise_ip, 0x1cUL);
target.addResource(fall_ie, 0x20UL);
target.addResource(fall_ip, 0x24UL);
target.addResource(high_ie, 0x28UL);
target.addResource(high_ip, 0x2cUL);
target.addResource(low_ie, 0x30UL);
target.addResource(low_ip, 0x34UL);
target.addResource(iof_en, 0x38UL);
target.addResource(iof_sel, 0x3cUL);
target.addResource(out_xor, 0x40UL);
}
#endif // _GPIO_REGS_H_

96
examples/simple_system/gen/plic_regs.h
View File

@ -1,96 +0,0 @@
////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2017, MINRES Technologies GmbH
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
//
// 2. 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.
//
// 3. Neither the name of the copyright holder 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 HOLDER 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.
//
// Created on: Wed Sep 20 22:30:45 CEST 2017
// * plic_regs.h Author: <RDL Generator>
//
////////////////////////////////////////////////////////////////////////////////
#ifndef _PLIC_REGS_H_
#define _PLIC_REGS_H_
#include <util/bit_field.h>
#include "scc/register.h"
#include "scc/tlm_target.h"
#include "scc/utilities.h"
namespace sysc {
class plic_regs : public sc_core::sc_module, public scc::resetable {
public:
// storage declarations
BEGIN_BF_DECL(priority_t, uint32_t);
BF_FIELD(priority, 0, 3);
END_BF_DECL();
std::array<priority_t, 255> r_priority;
uint32_t r_pending;
uint32_t r_enabled;
BEGIN_BF_DECL(threshold_t, uint32_t);
BF_FIELD(threshold, 0, 3);
END_BF_DECL() r_threshold;
uint32_t r_claim_complete;
// register declarations
scc::sc_register_indexed<priority_t, 255> priority;
scc::sc_register<uint32_t> pending;
scc::sc_register<uint32_t> enabled;
scc::sc_register<threshold_t> threshold;
scc::sc_register<uint32_t> claim_complete;
plic_regs(sc_core::sc_module_name nm);
template <unsigned BUSWIDTH = 32> void registerResources(scc::tlm_target<BUSWIDTH> &target);
};
}
//////////////////////////////////////////////////////////////////////////////
// member functions
//////////////////////////////////////////////////////////////////////////////
inline sysc::plic_regs::plic_regs(sc_core::sc_module_name nm)
: sc_core::sc_module(nm)
, NAMED(priority, r_priority, 0, *this)
, NAMED(pending, r_pending, 0, *this)
, NAMED(enabled, r_enabled, 0, *this)
, NAMED(threshold, r_threshold, 0, *this)
, NAMED(claim_complete, r_claim_complete, 0, *this) {}
template <unsigned BUSWIDTH> inline void sysc::plic_regs::registerResources(scc::tlm_target<BUSWIDTH> &target) {
target.addResource(priority, 0x4UL);
target.addResource(pending, 0x1000UL);
target.addResource(enabled, 0x2000UL);
target.addResource(threshold, 0x00200000UL);
target.addResource(claim_complete, 0x00200004UL);
}
#endif // _PLIC_REGS_H_

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////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2017, MINRES Technologies GmbH
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
//
// 2. 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.
//
// 3. Neither the name of the copyright holder 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 HOLDER 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.
//
// Created on: Wed Sep 20 22:30:45 CEST 2017
// * spi_regs.h Author: <RDL Generator>
//
////////////////////////////////////////////////////////////////////////////////
#ifndef _SPI_REGS_H_
#define _SPI_REGS_H_
#include <util/bit_field.h>
#include "scc/register.h"
#include "scc/tlm_target.h"
#include "scc/utilities.h"
namespace sysc {
class spi_regs : public sc_core::sc_module, public scc::resetable {
protected:
// storage declarations
BEGIN_BF_DECL(sckdiv_t, uint32_t);
BF_FIELD(div, 0, 12);
END_BF_DECL() r_sckdiv;
BEGIN_BF_DECL(sckmode_t, uint32_t);
BF_FIELD(pha, 0, 1);
BF_FIELD(pol, 1, 1);
END_BF_DECL() r_sckmode;
uint32_t r_csid;
uint32_t r_csdef;
BEGIN_BF_DECL(csmode_t, uint32_t);
BF_FIELD(mode, 0, 2);
END_BF_DECL() r_csmode;
BEGIN_BF_DECL(delay0_t, uint32_t);
BF_FIELD(cssck, 0, 8);
BF_FIELD(sckcs, 16, 8);
END_BF_DECL() r_delay0;
BEGIN_BF_DECL(delay1_t, uint32_t);
BF_FIELD(intercs, 0, 16);
BF_FIELD(interxfr, 16, 8);
END_BF_DECL() r_delay1;
BEGIN_BF_DECL(fmt_t, uint32_t);
BF_FIELD(proto, 0, 2);
BF_FIELD(endian, 2, 1);
BF_FIELD(dir, 3, 1);
BF_FIELD(len, 16, 4);
END_BF_DECL() r_fmt;
BEGIN_BF_DECL(txdata_t, uint32_t);
BF_FIELD(data, 0, 8);
BF_FIELD(full, 31, 1);
END_BF_DECL() r_txdata;
BEGIN_BF_DECL(rxdata_t, uint32_t);
BF_FIELD(data, 0, 8);
BF_FIELD(empty, 31, 1);
END_BF_DECL() r_rxdata;
BEGIN_BF_DECL(txmark_t, uint32_t);
BF_FIELD(txmark, 0, 3);
END_BF_DECL() r_txmark;
BEGIN_BF_DECL(rxmark_t, uint32_t);
BF_FIELD(rxmark, 0, 3);
END_BF_DECL() r_rxmark;
BEGIN_BF_DECL(fctrl_t, uint32_t);
BF_FIELD(en, 0, 1);
END_BF_DECL() r_fctrl;
BEGIN_BF_DECL(ffmt_t, uint32_t);
BF_FIELD(cmd_en, 0, 1);
BF_FIELD(addr_len, 1, 2);
BF_FIELD(pad_cnt, 3, 4);
BF_FIELD(cmd_proto, 7, 2);
BF_FIELD(addr_proto, 9, 2);
BF_FIELD(data_proto, 11, 2);
BF_FIELD(cmd_code, 16, 8);
BF_FIELD(pad_code, 24, 8);
END_BF_DECL() r_ffmt;
BEGIN_BF_DECL(ie_t, uint32_t);
BF_FIELD(txwm, 0, 1);
BF_FIELD(rxwm, 1, 1);
END_BF_DECL() r_ie;
BEGIN_BF_DECL(ip_t, uint32_t);
BF_FIELD(txwm, 0, 1);
BF_FIELD(rxwm, 1, 1);
END_BF_DECL() r_ip;
// register declarations
scc::sc_register<sckdiv_t> sckdiv;
scc::sc_register<sckmode_t> sckmode;
scc::sc_register<uint32_t> csid;
scc::sc_register<uint32_t> csdef;
scc::sc_register<csmode_t> csmode;
scc::sc_register<delay0_t> delay0;
scc::sc_register<delay1_t> delay1;
scc::sc_register<fmt_t> fmt;
scc::sc_register<txdata_t> txdata;
scc::sc_register<rxdata_t> rxdata;
scc::sc_register<txmark_t> txmark;
scc::sc_register<rxmark_t> rxmark;
scc::sc_register<fctrl_t> fctrl;
scc::sc_register<ffmt_t> ffmt;
scc::sc_register<ie_t> ie;
scc::sc_register<ip_t> ip;
public:
spi_regs(sc_core::sc_module_name nm);
template <unsigned BUSWIDTH = 32> void registerResources(scc::tlm_target<BUSWIDTH> &target);
};
}
//////////////////////////////////////////////////////////////////////////////
// member functions
//////////////////////////////////////////////////////////////////////////////
inline sysc::spi_regs::spi_regs(sc_core::sc_module_name nm)
: sc_core::sc_module(nm)
, NAMED(sckdiv, r_sckdiv, 0, *this)
, NAMED(sckmode, r_sckmode, 0, *this)
, NAMED(csid, r_csid, 0, *this)
, NAMED(csdef, r_csdef, 0, *this)
, NAMED(csmode, r_csmode, 0, *this)
, NAMED(delay0, r_delay0, 0, *this)
, NAMED(delay1, r_delay1, 0, *this)
, NAMED(fmt, r_fmt, 0, *this)
, NAMED(txdata, r_txdata, 0, *this)
, NAMED(rxdata, r_rxdata, 0, *this)
, NAMED(txmark, r_txmark, 0, *this)
, NAMED(rxmark, r_rxmark, 0, *this)
, NAMED(fctrl, r_fctrl, 0, *this)
, NAMED(ffmt, r_ffmt, 0, *this)
, NAMED(ie, r_ie, 0, *this)
, NAMED(ip, r_ip, 0, *this) {}
template <unsigned BUSWIDTH> inline void sysc::spi_regs::registerResources(scc::tlm_target<BUSWIDTH> &target) {
target.addResource(sckdiv, 0x0UL);
target.addResource(sckmode, 0x4UL);
target.addResource(csid, 0x10UL);
target.addResource(csdef, 0x14UL);
target.addResource(csmode, 0x18UL);
target.addResource(delay0, 0x28UL);
target.addResource(delay1, 0x2cUL);
target.addResource(fmt, 0x40UL);
target.addResource(txdata, 0x48UL);
target.addResource(rxdata, 0x4cUL);
target.addResource(txmark, 0x50UL);
target.addResource(rxmark, 0x54UL);
target.addResource(fctrl, 0x60UL);
target.addResource(ffmt, 0x64UL);
target.addResource(ie, 0x70UL);
target.addResource(ip, 0x74UL);
}
#endif // _SPI_REGS_H_

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////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2017, MINRES Technologies GmbH
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
//
// 2. 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.
//
// 3. Neither the name of the copyright holder 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 HOLDER 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.
//
// Created on: Wed Sep 20 22:30:45 CEST 2017
// * uart_regs.h Author: <RDL Generator>
//
////////////////////////////////////////////////////////////////////////////////
#ifndef _UART_REGS_H_
#define _UART_REGS_H_
#include <util/bit_field.h>
#include "scc/register.h"
#include "scc/tlm_target.h"
#include "scc/utilities.h"
namespace sysc {
class uart_regs : public sc_core::sc_module, public scc::resetable {
protected:
// storage declarations
BEGIN_BF_DECL(txdata_t, uint32_t);
BF_FIELD(data, 0, 8);
BF_FIELD(full, 31, 1);
END_BF_DECL() r_txdata;
BEGIN_BF_DECL(rxdata_t, uint32_t);
BF_FIELD(data, 0, 8);
BF_FIELD(empty, 31, 1);
END_BF_DECL() r_rxdata;
BEGIN_BF_DECL(txctrl_t, uint32_t);
BF_FIELD(txen, 0, 1);
BF_FIELD(nstop, 1, 1);
BF_FIELD(reserved, 2, 14);
BF_FIELD(txcnt, 16, 3);
END_BF_DECL() r_txctrl;
BEGIN_BF_DECL(rxctrl_t, uint32_t);
BF_FIELD(rxen, 0, 1);
BF_FIELD(reserved, 1, 15);
BF_FIELD(rxcnt, 16, 3);
END_BF_DECL() r_rxctrl;
BEGIN_BF_DECL(ie_t, uint32_t);
BF_FIELD(txwm, 0, 1);
BF_FIELD(rxwm, 1, 1);
END_BF_DECL() r_ie;
BEGIN_BF_DECL(ip_t, uint32_t);
BF_FIELD(txwm, 0, 1);
BF_FIELD(rxwm, 1, 1);
END_BF_DECL() r_ip;
BEGIN_BF_DECL(div_t, uint32_t);
BF_FIELD(div, 0, 16);
END_BF_DECL() r_div;
// register declarations
scc::sc_register<txdata_t> txdata;
scc::sc_register<rxdata_t> rxdata;
scc::sc_register<txctrl_t> txctrl;
scc::sc_register<rxctrl_t> rxctrl;
scc::sc_register<ie_t> ie;
scc::sc_register<ip_t> ip;
scc::sc_register<div_t> div;
public:
uart_regs(sc_core::sc_module_name nm);
template <unsigned BUSWIDTH = 32> void registerResources(scc::tlm_target<BUSWIDTH> &target);
};
}
//////////////////////////////////////////////////////////////////////////////
// member functions
//////////////////////////////////////////////////////////////////////////////
inline sysc::uart_regs::uart_regs(sc_core::sc_module_name nm)
: sc_core::sc_module(nm)
, NAMED(txdata, r_txdata, 0, *this)
, NAMED(rxdata, r_rxdata, 0, *this)
, NAMED(txctrl, r_txctrl, 0, *this)
, NAMED(rxctrl, r_rxctrl, 0, *this)
, NAMED(ie, r_ie, 0, *this)
, NAMED(ip, r_ip, 0, *this)
, NAMED(div, r_div, 0, *this) {}
template <unsigned BUSWIDTH> inline void sysc::uart_regs::registerResources(scc::tlm_target<BUSWIDTH> &target) {
target.addResource(txdata, 0x0UL);
target.addResource(rxdata, 0x4UL);
target.addResource(txctrl, 0x8UL);
target.addResource(rxctrl, 0xcUL);
target.addResource(ie, 0x10UL);
target.addResource(ip, 0x14UL);
target.addResource(div, 0x18UL);
}
#endif // _UART_REGS_H_

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////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2017, MINRES Technologies GmbH
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
//
// 2. 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.
//
// 3. Neither the name of the copyright holder 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 HOLDER 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.
//
// Contributors:
// eyck@minres.com - initial implementation
//
//
////////////////////////////////////////////////////////////////////////////////
#include "gpio.h"
#include "scc/report.h"
#include "scc/utilities.h"
#include "gen/gpio_regs.h"
#include <limits>
namespace sysc {
using namespace sc_core;
gpio::gpio(sc_module_name nm)
: sc_module(nm)
, tlm_target<>(clk)
, NAMED(clk_i)
, NAMED(rst_i)
, NAMED(pins_o, 32)
, NAMED(pins_i, 32)
, NAMED(iof0_o, 32)
, NAMED(iof1_o, 32)
, NAMED(iof0_i, 32)
, NAMED(iof1_i, 32)
, NAMEDD(regs, gpio_regs)
{
regs->registerResources(*this);
SC_METHOD(clock_cb);
sensitive << clk_i;
SC_METHOD(reset_cb);
sensitive << rst_i;
dont_initialize();
auto pins_i_cb =[this](unsigned int tag, tlm::scc::tlm_signal_gp<>& gp,
tlm::tlm_phase& phase, sc_time& delay)->tlm::tlm_sync_enum{
this->pin_input(tag, gp, delay);
return tlm::TLM_COMPLETED;
};
auto i=0U;
for(auto& s:pins_i){
s.register_nb_transport(pins_i_cb, i);
++i;
}
auto iof0_i_cb =[this](unsigned int tag, tlm::scc::tlm_signal_gp<>& gp,
tlm::tlm_phase& phase, sc_time& delay)->tlm::tlm_sync_enum{
last_iof0[tag]=gp.get_value();
this->iof_input(tag, 0, gp, delay);
return tlm::TLM_COMPLETED;
};
i=0;
for(auto& s:iof0_i){
s.register_nb_transport(iof0_i_cb, i);
++i;
}
auto iof1_i_cb =[this](unsigned int tag, tlm::scc::tlm_signal_gp<>& gp,
tlm::tlm_phase& phase, sc_time& delay)->tlm::tlm_sync_enum{
last_iof1[tag]=gp.get_value();
this->iof_input(tag, 1, gp, delay);
return tlm::TLM_COMPLETED;
};
i=0;
for(auto& s:iof1_i){
s.register_nb_transport(iof1_i_cb, i);
++i;
}
auto update_pins_cb = [this](scc::sc_register<uint32_t> &reg, uint32_t data, sc_time d) -> bool {
if (!this->regs->in_reset()) {
auto changed_bits = (reg.get()^data);
reg.put(data);
update_pins(changed_bits);
}
return true;
};
regs->port.set_write_cb(update_pins_cb);
regs->output_en.set_write_cb(update_pins_cb);
regs->out_xor.set_write_cb(update_pins_cb);
regs->iof_en.set_write_cb(update_pins_cb);
regs->iof_sel.set_write_cb(update_pins_cb);
}
gpio::~gpio() = default;
void gpio::reset_cb() {
if (rst_i.read()){
regs->reset_start();
} else {
regs->reset_stop();
}
update_pins(std::numeric_limits<uint32_t>::max());
}
void gpio::clock_cb() {
this->clk = clk_i.read();
}
tlm::tlm_phase gpio::write_output(tlm::scc::tlm_signal_gp<bool>& gp, size_t i, bool val) {
sc_time delay{SC_ZERO_TIME};
tlm::tlm_phase phase{ tlm::BEGIN_REQ };
gp.set_command(tlm::TLM_WRITE_COMMAND);
gp.set_response_status(tlm::TLM_OK_RESPONSE);
gp.set_value(val);
pins_o.at(i)->nb_transport_fw(gp, phase, delay);
return phase;
}
void gpio::update_pins(uint32_t changed_bits) {
sc_inout_rv<32>::data_type out_val;
tlm::scc::tlm_signal_gp<bool> gp;
bool val{false};
for(size_t i=0, mask = 1; i<32; ++i, mask<<=1){
if(changed_bits&mask){
if(((regs->r_iof_en&mask)!=0) && (iof0_i[i].size()==0 || iof1_i[i].size()==0)){
if((regs->r_iof_sel&mask)==0 && iof0_i[i].size()>0){
val=last_iof0[i]?sc_dt::Log_1:sc_dt::Log_0;
} else if((regs->r_iof_sel&mask)==1 && iof1_i[i].size()>0)
val=last_iof1[i]?sc_dt::Log_1:sc_dt::Log_0;
} else {
if((regs->r_output_en&mask) && (regs->r_port&mask))
val=true;
else
val=false;
if(regs->r_out_xor&mask)
val=~val;
}
tlm::tlm_phase phase = write_output(gp, i, val);
}
}
}
void gpio::pin_input(unsigned int tag, tlm::scc::tlm_signal_gp<bool>& gp, sc_time& delay) {
if(delay>SC_ZERO_TIME){
wait(delay);
delay=SC_ZERO_TIME;
}
auto mask = 1u<<tag;
if((regs->r_output_en&mask)==0){
if(gp.get_value())
regs->r_value|=mask;
else
regs->r_value&=~mask;
forward_pin_input(tag, gp);
}
}
void gpio::forward_pin_input(unsigned int tag, tlm::scc::tlm_signal_gp<bool>& gp) {
const auto mask = 1U<<tag;
if(regs->iof_en&mask){
auto& socket = regs->iof_sel&mask?iof1_o[tag]:iof0_o[tag];
tlm::scc::tlm_signal_gp<> new_gp;
for(size_t i=0; i<socket.size(); ++i){
sc_time delay{SC_ZERO_TIME};
tlm::tlm_phase phase{tlm::BEGIN_REQ};
new_gp.set_command(tlm::TLM_WRITE_COMMAND);
new_gp.set_response_status(tlm::TLM_OK_RESPONSE);
new_gp.set_value(gp.get_value());
new_gp.update_extensions_from(gp);
socket->nb_transport_fw(new_gp, phase, delay); // we don't care about phase and sync enum
}
}
}
void gpio::iof_input(unsigned int tag, unsigned iof_idx, tlm::scc::tlm_signal_gp<>& gp, sc_time& delay) {
if(delay>SC_ZERO_TIME){
wait(delay);
delay=SC_ZERO_TIME;
}
const auto mask = 1U<<tag;
if(regs->r_iof_en&mask){
const auto idx = regs->r_iof_sel&mask?1:0;
if(iof_idx == idx){
auto& socket = pins_o[tag];
for(size_t i=0; i<socket.size(); ++i){
sc_time delay{SC_ZERO_TIME};
tlm::tlm_phase phase{tlm::BEGIN_REQ};
tlm::scc::tlm_signal_gp<> new_gp;
new_gp.set_command(tlm::TLM_WRITE_COMMAND);
auto val = gp.get_value();
new_gp.set_value(val);
new_gp.copy_extensions_from(gp);
socket->nb_transport_fw(new_gp, phase, delay); // we don't care about phase and sync enum
gp.update_extensions_from(new_gp);
}
}
}
}
} /* namespace sysc */

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////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2017, MINRES Technologies GmbH
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
//
// 2. 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.
//
// 3. Neither the name of the copyright holder 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 HOLDER 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.
//
// Contributors:
// eyck@minres.com - initial implementation
//
//
////////////////////////////////////////////////////////////////////////////////
#ifndef _GPIO_H_
#define _GPIO_H_
#include "scc/tlm_target.h"
#include "tlm/scc/signal_target_mixin.h"
#include "tlm/scc/signal_initiator_mixin.h"
#include <tlm/scc/tlm_signal.h>
namespace sysc {
class gpio_regs;
class WsHandler;
class gpio : public sc_core::sc_module, public scc::tlm_target<> {
public:
SC_HAS_PROCESS(gpio);
sc_core::sc_in<sc_core::sc_time> clk_i;
sc_core::sc_in<bool> rst_i;
// sc_core::sc_inout_rv<32> pins_io;
sc_core::sc_vector<tlm::scc::tlm_signal_bool_out> pins_o;
sc_core::sc_vector<tlm::scc::tlm_signal_bool_in> pins_i;
sc_core::sc_vector<tlm::scc::tlm_signal_bool_opt_out> iof0_o;
sc_core::sc_vector<tlm::scc::tlm_signal_bool_opt_out> iof1_o;
sc_core::sc_vector<tlm::scc::tlm_signal_bool_opt_in> iof0_i;
sc_core::sc_vector<tlm::scc::tlm_signal_bool_opt_in> iof1_i;
gpio(sc_core::sc_module_name nm);
virtual ~gpio() override; // need to keep it in source file because of fwd declaration of gpio_regs
protected:
void clock_cb();
void reset_cb();
void update_pins(uint32_t changed_bits);
void pin_input(unsigned int tag, tlm::scc::tlm_signal_gp<>& gp, sc_core::sc_time& delay);
void forward_pin_input(unsigned int tag, tlm::scc::tlm_signal_gp<>& gp);
void iof_input(unsigned int tag, unsigned iof_idx, tlm::scc::tlm_signal_gp<>& gp, sc_core::sc_time& delay);
sc_core::sc_time clk;
std::array<bool, 32> last_iof0, last_iof1;
std::unique_ptr<gpio_regs> regs;
std::shared_ptr<sysc::WsHandler> handler;
private:
tlm::tlm_phase write_output(tlm::scc::tlm_signal_gp<>& gp, size_t i, bool val);
};
} /* namespace sysc */
#endif /* _GPIO_H_ */

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////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2017, MINRES Technologies GmbH
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
//
// 2. 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.
//
// 3. Neither the name of the copyright holder 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 HOLDER 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 LIABILITY0x200004, 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.
//
// Contributors:
// eyck@minres.com - initial API and implementation
//
//
////////////////////////////////////////////////////////////////////////////////
// todo: truncate values beyond 7 (in prio_threshold write_cb)
#include "plic.h"
#include "gen/plic_regs.h"
#include "scc/utilities.h"
#include <scc/report.h>
namespace sysc {
plic::plic(sc_core::sc_module_name nm)
: sc_core::sc_module(nm)
, tlm_target<>(clk)
, NAMED(clk_i)
, NAMED(rst_i)
, NAMED(global_interrupts_i, 256)
, NAMED(core_interrupt_o)
, NAMEDD(regs, plic_regs)
{
regs->registerResources(*this);
// register callbacks
init_callbacks();
regs->claim_complete.set_write_cb(m_claim_complete_write_cb);
// port callbacks
SC_METHOD(global_int_port_cb);
for (uint8_t i = 0; i < 255; i++) {
sensitive << global_interrupts_i[i].pos();
}
dont_initialize();
// register event callbacks
SC_METHOD(clock_cb);
sensitive << clk_i;
SC_METHOD(reset_cb);
sensitive << rst_i;
}
plic::~plic() = default;
void plic::init_callbacks() {
m_claim_complete_write_cb = [=](scc::sc_register<uint32_t> reg, uint32_t v) -> bool {
reg.put(v);
reset_pending_int(v);
// std::cout << "Value of register: 0x" << std::hex << reg << std::endl;
// todo: reset related interrupt and find next high-prio interrupt
return true;
};
}
void plic::clock_cb() { this->clk = clk_i.read(); }
void plic::reset_cb() {
if (rst_i.read())
regs->reset_start();
else
regs->reset_stop();
}
// Functional handling of interrupts:
// - global_int_port_cb()
// - set pending register bits
// - called by: incoming global_int
// - handle_pending_int()
// - update claim register content
// - generate core-interrupt pulse
// - called by:
// - incoming global_int
// - complete-register write access
// - reset_pending_int(int-id)
// - reset pending bit
// - call next handle_pending_int()
// - called by:
// - complete-reg write register content
void plic::global_int_port_cb() {
// set related pending bit if enable is set for incoming global_interrupt
// todo: extend up to 255 bits (limited to 32 right now)
for (uint32_t i = 1; i < 32; i++) {
uint32_t enable_bits = regs->r_enabled;
bool enable = enable_bits & (0x1 << i); // read enable bit
if (enable && global_interrupts_i[i].read() == 1) {
regs->r_pending = regs->r_pending | (0x1 << i);
SCCDEBUG("plic") << "pending interrupt identified: " << i;
}
}
handle_pending_int();
}
void plic::handle_pending_int() {
// identify high-prio pending interrupt and raise a core-interrupt
uint32_t claim_int = 0; // claim interrupt
uint32_t claim_prio = 0; // related priority (highest prio interrupt wins the race)
bool raise_int = false;
uint32_t thold = regs->r_threshold.threshold; // threshold value
// todo: extend up to 255 bits (limited to 32 right now)
for (uint32_t i = 1; i < 32; i++) {
uint32_t pending_bits = regs->r_pending;
bool pending = (pending_bits & (0x1 << i)) ? true : false;
uint32_t prio = regs->r_priority[i - 1].priority; // read priority value
if (pending && thold < prio) {
regs->r_pending = regs->r_pending | (0x1 << i);
// below condition ensures implicitly that lowest id is selected in case of multiple identical
// priority-interrupts
if (prio > claim_prio) {
claim_prio = prio;
claim_int = i;
raise_int = true;
SCCDEBUG("plic") << "pending interrupt activated: " << i;
}
}
}
if (raise_int) {
regs->r_claim_complete = claim_int;
core_interrupt_o.write(true);
// todo: evluate clock period
} else {
regs->r_claim_complete = 0;
SCCDEBUG("plic") << "no further pending interrupt.";
}
}
void plic::reset_pending_int(uint32_t irq) {
// todo: evaluate enable register (see spec)
// todo: make sure that pending is set, otherwise don't reset irq ... read spec.
SCCDEBUG("plic") << "reset pending interrupt: " << irq;
// reset related pending bit
regs->r_pending &= ~(0x1 << irq);
core_interrupt_o.write(false);
// evaluate next pending interrupt
handle_pending_int();
}
} /* namespace sysc */

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/*******************************************************************************
* Copyright 2017 eyck@minres.com
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy
* of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
******************************************************************************/
#ifndef _PLIC_H_
#define _PLIC_H_
#include <scc/register.h>
#include <scc/tlm_target.h>
namespace sysc {
class plic_regs;
class plic : public sc_core::sc_module, public scc::tlm_target<> {
public:
SC_HAS_PROCESS(plic);
sc_core::sc_in<sc_core::sc_time> clk_i;
sc_core::sc_in<bool> rst_i;
sc_core::sc_vector<sc_core::sc_in<bool>> global_interrupts_i;
sc_core::sc_out<bool> core_interrupt_o;
sc_core::sc_event raise_int_ev;
sc_core::sc_event clear_int_ev;
plic(sc_core::sc_module_name nm);
virtual ~plic();
protected:
void clock_cb();
void reset_cb();
void init_callbacks();
void global_int_port_cb();
void handle_pending_int();
void reset_pending_int(uint32_t irq);
void raise_core_interrupt();
void clear_core_interrupt();
sc_core::sc_time clk;
std::unique_ptr<plic_regs> regs;
std::function<bool(scc::sc_register<uint32_t>, uint32_t)> m_claim_complete_write_cb;
};
} /* namespace sysc */
#endif /* _PLIC_H_ */

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////////////////////////////////////////////////////////////////////////////////
// Copyright 2017 eyck@minres.com
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may not
// use this file except in compliance with the License. You may obtain a copy
// of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
////////////////////////////////////////////////////////////////////////////////
/*
* sc_main.cpp
*
* Created on: 17.09.2017
* Author: eyck@minres.com
*/
#include "simple_system.h"
#include <scc/report.h>
#include <scc/tracer.h>
#include <boost/program_options.hpp>
using namespace sysc;
using namespace scc;
namespace po = boost::program_options;
namespace {
const size_t ERROR_IN_COMMAND_LINE = 1;
const size_t SUCCESS = 0;
const size_t ERROR_UNHANDLED_EXCEPTION = 2;
} // namespace
int sc_main(int argc, char *argv[]) {
sc_core::sc_report_handler::set_actions( "/IEEE_Std_1666/deprecated", sc_core::SC_DO_NOTHING );
sc_core::sc_report_handler::set_actions(sc_core::SC_ID_MORE_THAN_ONE_SIGNAL_DRIVER_, sc_core::SC_DO_NOTHING);
///////////////////////////////////////////////////////////////////////////
// CLI argument parsing
///////////////////////////////////////////////////////////////////////////
po::options_description desc("Options");
// clang-format off
desc.add_options()
("help,h", "Print help message")
("debug,d", "set debug level")
("trace,t", "trace SystemC signals");
// clang-format on
po::variables_map vm;
try {
po::store(po::parse_command_line(argc, argv, desc), vm); // can throw
// --help option
if (vm.count("help")) {
std::cout << "JIT-ISS simulator for AVR" << std::endl << desc << std::endl;
return SUCCESS;
}
po::notify(vm); // throws on error, so do after help in case
// there are any problems
} catch (po::error &e) {
std::cerr << "ERROR: " << e.what() << std::endl << std::endl;
std::cerr << desc << std::endl;
return ERROR_IN_COMMAND_LINE;
}
///////////////////////////////////////////////////////////////////////////
// configure logging
///////////////////////////////////////////////////////////////////////////
scc::init_logging(vm.count("debug")?scc::log::DEBUG:scc::log::INFO);
///////////////////////////////////////////////////////////////////////////
// set up tracing & transaction recording
///////////////////////////////////////////////////////////////////////////
tracer trace("simple_system", tracer::COMPRESSED, vm.count("trace"));
// todo: fix displayed clock period in VCD
///////////////////////////////////////////////////////////////////////////
// instantiate top level
///////////////////////////////////////////////////////////////////////////
simple_system i_simple_system("i_simple_system");
///////////////////////////////////////////////////////////////////////////
// run simulation
///////////////////////////////////////////////////////////////////////////
sc_start(sc_core::sc_time(1, sc_core::SC_MS));
// todo: provide end-of-simulation macros
if (!sc_core::sc_end_of_simulation_invoked()) {
SCCERR() << "simulation timed out";
sc_core::sc_stop();
}
return SUCCESS;
}

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////////////////////////////////////////////////////////////////////////////////
// Copyright 2017 eyck@minres.com
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may not
// use this file except in compliance with the License. You may obtain a copy
// of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
////////////////////////////////////////////////////////////////////////////////
/*
* simplesystem.cpp
*
* Created on: 17.09.2017
* Author: eyck@minres.com
*/
#include "simple_system.h"
namespace sysc {
simple_system::simple_system(sc_core::sc_module_name nm)
: sc_core::sc_module(nm)
, NAMED(i_master)
, NAMED(i_router, 4, 1)
, NAMED(i_uart)
, NAMED(i_spi)
, NAMED(i_gpio)
, NAMED(i_plic)
, NAMED(s_clk)
, NAMED(s_rst)
, NAMED(s_global_interrupts, 256)
, NAMED(s_core_interrupt)
, NAMED(s_gpio, 32)
{
// todo: discuss naming conventions (s_<signal> vs. <port>_i/_o) --> covnert into _s
// bus connections
i_master.intor(i_router.target[0]);
i_router.bind_target(i_plic.socket, 0, "plic");
i_router.bind_target(i_uart.socket, 1, "uart");
i_router.bind_target(i_spi.socket, 2, "spi");
i_router.bind_target(i_gpio.socket, 3, "gpio");
// target address ranges
for (const auto &e : e300_plat_map)
i_router.add_target_range(e.name, e.start, e.size);
// clock/reset connections
i_uart.clk_i(s_clk);
i_spi.clk_i(s_clk);
i_gpio.clk_i(s_clk);
i_plic.clk_i(s_clk);
s_clk.write(10_ns);
i_uart.rst_i(s_rst);
i_spi.rst_i(s_rst);
i_gpio.rst_i(s_rst);
i_plic.rst_i(s_rst);
i_master.rst_i(s_rst);
// interrupt connections
i_plic.core_interrupt_o(s_core_interrupt);
i_plic.global_interrupts_i.bind(s_global_interrupts);
i_master.global_interrupts_o(s_global_interrupts);
i_master.core_interrupt_i(s_core_interrupt);
for(auto i=0U; i<s_gpio.size(); ++i){
s_gpio[i].in(i_gpio.pins_o[i]);
i_gpio.pins_i[i](s_gpio[i].out);
}
SC_THREAD(gen_reset);
}
void simple_system::gen_reset() {
s_rst = true;
wait(10_ns);
s_rst = false;
}
} /* namespace sysc */

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/*******************************************************************************
* Copyright 2017 eyck@minres.com
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy
* of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
******************************************************************************/
/*
* simplesystem.h
*
* Created on: 17.09.2017
* Author: eyck@minres.com
*/
#ifndef SIMPLESYSTEM_H_
#define SIMPLESYSTEM_H_
#include "gpio.h"
#include "plic.h"
#include "spi.h"
#include "uart.h"
#include "test_initiator.h"
#include <array>
#include <sysc/kernel/sc_module.h>
#include <scc/router.h>
namespace sysc {
class simple_system : public sc_core::sc_module {
public:
SC_HAS_PROCESS(simple_system);
test_initiator i_master;
scc::router<> i_router;
uart i_uart;
spi i_spi;
gpio i_gpio;
plic i_plic;
sc_core::sc_signal<sc_core::sc_time> s_clk;
sc_core::sc_signal<bool> s_rst;
sc_core::sc_vector<sc_core::sc_signal<bool>> s_global_interrupts;
sc_core::sc_signal<bool, sc_core::SC_MANY_WRITERS> s_core_interrupt;
sc_core::sc_vector<tlm::scc::tlm_signal<>> s_gpio;
simple_system(sc_core::sc_module_name nm);
protected:
void gen_reset();
#include "gen/e300_plat_t.h"
};
} /* namespace sysc */
#endif /* SIMPLESYSTEM_H_ */

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////////////////////////////////////////////////////////////////////////////////
// Copyright 2017 eyck@minres.com
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may not
// use this file except in compliance with the License. You may obtain a copy
// of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
////////////////////////////////////////////////////////////////////////////////
#include "spi.h"
#include "gen/spi_regs.h"
#include "scc/utilities.h"
namespace sysc {
spi::spi(sc_core::sc_module_name nm)
: sc_core::sc_module(nm)
, tlm_target<>(clk)
, NAMED(clk_i)
, NAMED(rst_i)
, NAMEDD(regs, spi_regs) {
regs->registerResources(*this);
SC_METHOD(clock_cb);
sensitive << clk_i;
SC_METHOD(reset_cb);
sensitive << rst_i;
}
spi::~spi() {} // NOLINT
void spi::clock_cb() { this->clk = clk_i.read(); }
void spi::reset_cb() {
if (rst_i.read())
regs->reset_start();
else
regs->reset_stop();
}
} /* namespace sysc */

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/*******************************************************************************
* Copyright 2017 eyck@minres.com
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy
* of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
******************************************************************************/
#ifndef _SPI_H_
#define _SPI_H_
#include <scc/tlm_target.h>
namespace sysc {
class spi_regs;
class spi : public sc_core::sc_module, public scc::tlm_target<> {
public:
SC_HAS_PROCESS(spi);
sc_core::sc_in<sc_core::sc_time> clk_i;
sc_core::sc_in<bool> rst_i;
spi(sc_core::sc_module_name nm);
virtual ~spi();
protected:
void clock_cb();
void reset_cb();
sc_core::sc_time clk;
std::unique_ptr<spi_regs> regs;
};
} /* namespace sysc */
#endif /* _SPI_H_ */

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////////////////////////////////////////////////////////////////////////////////
// Copyright 2017 eyck@minres.com
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may not
// use this file except in compliance with the License. You may obtain a copy
// of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
////////////////////////////////////////////////////////////////////////////////
/*
* test_initiator.cpp
*
* Created on: 17.09.2017
* Author: eyck@minres.com
*/
#include "test_initiator.h"
#include <array>
#include <scc/report.h>
#include <scc/utilities.h>
// todo: move into gen folder somewhere (adapt code-generator)
#define PLIC_PRIO1_REG 0x0C000004
#define PLIC_PRIO2_REG 0x0C000008
#define PLIC_PRIO3_REG 0x0C00000C
#define PLIC_PRIO4_REG 0x0C000010
#define PLIC_PENDING_REG 0x0C001000
#define PLIC_ENABLE_REG 0x0C002000
#define PLIC_PRIO_TRESHOLD_REG 0x0C200000
#define PLIC_CLAIM_COMPLETE_REG 0x0C200004
namespace sysc {
using namespace sc_core;
test_initiator::test_initiator(sc_module_name nm)
: sc_module(nm)
, NAMED(intor)
, NAMED(rst_i)
, NAMED(global_interrupts_o, 256)
, NAMED(core_interrupt_i) {
SC_THREAD(run);
SC_METHOD(core_irq_handler);
sensitive << core_interrupt_i;
dont_initialize();
}
void test_initiator::run() {
// wait for reset
if (rst_i.read() == false) wait(rst_i.posedge_event());
wait(rst_i.negedge_event());
wait(10_ns);
// apply test-sequences
test_unique_irq();
test_frequent_irq();
test_parallel_irq();
test_irq_stress();
// todo: review irq sequences from FW point of view ... expected ???
wait(100_ns);
sc_stop();
}
void test_initiator::test_unique_irq() {
//// enable reg is not set
// -> irq to be ignored
// -> no core_interrupt
// -> no entry in pending reg
// generate interrupt pulse (note: 1 is lowest usable register)
global_interrupts_o[2].write(true);
wait(10_ns);
global_interrupts_o[2].write(false);
wait(10_ns);
reg_check(PLIC_PENDING_REG, 0x0);
wait(10_ns);
reg_check(PLIC_CLAIM_COMPLETE_REG, 0x0);
wait(10_ns);
//// enable reg is set, then
// -> pending bit change expected
// -> core_interrupt expected
read_bus(PLIC_PRIO1_REG);
wait(10_ns);
// enable single interrupt
write_bus(PLIC_PRIO1_REG, 0x1);
wait(10_ns);
write_bus(PLIC_ENABLE_REG, 0x2);
wait(10_ns);
// generate interrupt pulse (note: 1 is lowest usable register)
global_interrupts_o[1].write(true);
wait(10_ns);
global_interrupts_o[1].write(false);
wait(10_ns);
// read claim_complete register
reg_check(PLIC_PENDING_REG, 0x2);
wait(10_ns);
reg_check(PLIC_CLAIM_COMPLETE_REG, 0x1);
wait(10_ns);
//// after writing to claim_complete reg (per fw)
// -> pending bit expected to be unset
// -> enable bit expected to be set ... test with / without enable being set
write_bus(PLIC_CLAIM_COMPLETE_REG, 0x1);
wait(10_ns);
reg_check(PLIC_PENDING_REG, 0x0);
wait(10_ns);
reg_check(PLIC_CLAIM_COMPLETE_REG, 0x0);
wait(10_ns);
// todo: remove wait statements once the tlm_initiator is in place
// todo: evaluate error messages ... provide correct pass/fail verdict
wait(100_ns);
}
void test_initiator::test_frequent_irq() {}
void test_initiator::test_parallel_irq() {
//// create three parallel global_int requests
// -> read and clear bits one after the other
// -> different priorities applied (reverse order)
// -> correct priority handing expected
// -> three core interrupts expected in total
// reverse order priority configuration
write_bus(PLIC_PRIO1_REG, 0x3);
wait(10_ns);
write_bus(PLIC_PRIO2_REG, 0x2);
wait(10_ns);
write_bus(PLIC_PRIO3_REG, 0x1);
wait(10_ns);
// enable all three interrupts
write_bus(PLIC_ENABLE_REG, 0xE);
wait(10_ns);
// generate interrupt pulse (note: 1 is lowest usable register)
global_interrupts_o[1].write(true);
wait(10_ns);
global_interrupts_o[1].write(false);
wait(10_ns);
global_interrupts_o[2].write(true);
wait(10_ns);
global_interrupts_o[2].write(false);
wait(10_ns);
global_interrupts_o[3].write(true);
wait(10_ns);
global_interrupts_o[3].write(false);
wait(10_ns);
// expect three pending registers
reg_check(PLIC_PENDING_REG, 0xE);
wait(10_ns);
// expect lowest interrupt id to be highest int
reg_check(PLIC_CLAIM_COMPLETE_REG, 0x1);
wait(10_ns);
//// after writing to claim_complete reg (per fw)
// -> next int to become highest irq
write_bus(PLIC_CLAIM_COMPLETE_REG, 0x1);
wait(10_ns);
reg_check(PLIC_PENDING_REG, 0xC);
wait(10_ns);
reg_check(PLIC_CLAIM_COMPLETE_REG, 0x2);
wait(10_ns);
//// after writing to claim_complete reg again (per fw)
// -> next int to become highest irq
write_bus(PLIC_CLAIM_COMPLETE_REG, 0x2);
wait(10_ns);
reg_check(PLIC_PENDING_REG, 0x8);
wait(10_ns);
reg_check(PLIC_CLAIM_COMPLETE_REG, 0x3);
wait(10_ns);
//// after last writing to claim_complete reg again (per fw)
// -> no further pending irq expected
write_bus(PLIC_CLAIM_COMPLETE_REG, 0x3);
wait(10_ns);
reg_check(PLIC_PENDING_REG, 0x0);
wait(10_ns);
reg_check(PLIC_CLAIM_COMPLETE_REG, 0x0);
wait(10_ns);
// todo: advance upon register-write access ... remove above 10_ns waits
// todo: evaluate error messages ... provide correct pass/fail verdict
wait(100_ns);
}
void test_initiator::test_irq_stress() {}
void test_initiator::write_bus(std::uint32_t adr, std::uint32_t dat) {
tlm::tlm_generic_payload gp;
std::array<uint8_t, 4> data;
data[3] = 0xff & dat >> 24;
data[2] = 0xff & dat >> 16;
data[1] = 0xff & dat >> 8;
data[0] = 0xff & dat;
SCCDEBUG("test_initiator") << "write_bus(0x" << std::hex << adr << ") : " << dat;
gp.set_command(tlm::TLM_WRITE_COMMAND);
gp.set_address(adr);
gp.set_data_ptr(data.data());
gp.set_data_length(data.size());
gp.set_streaming_width(4);
sc_time delay;
intor->b_transport(gp, delay);
if (gp.get_response_status() != tlm::TLM_OK_RESPONSE) {
throw std::exception();
}
}
std::uint32_t test_initiator::read_bus(std::uint32_t adr) {
tlm::tlm_generic_payload gp;
std::array<uint8_t, 4> data;
gp.set_command(tlm::TLM_READ_COMMAND);
gp.set_address(adr);
gp.set_data_ptr(data.data());
gp.set_data_length(data.size());
gp.set_streaming_width(4);
sc_time delay;
intor->b_transport(gp, delay);
if (gp.get_response_status() != tlm::TLM_OK_RESPONSE) {
// todo: improve output in case of exception, define own exception class to carry transaction-infos
// ... i.e. out-of-range report with info about legal mem boundaries
throw std::exception();
}
// todo: use reinterpret_cast instead
std::uint32_t rdat = data[3] << 24 | data[2] << 16 | data[1] << 8 | data[0];
SCCDEBUG("test_initiator") << "read_bus(0x" << std::hex << adr << ") -> " << rdat;
return rdat;
}
void test_initiator::reg_check(std::uint32_t adr, std::uint32_t exp) {
uint32_t dat = read_bus(adr);
if (dat != exp) {
SCCERR("test_initiator") << "register check failed for address 0x" << std::hex << adr << ": " << dat << " != " << exp;
} else {
SCCDEBUG("test_initiator") << "register check passed for address 0x" << std::hex << adr << ": " << dat;
}
}
void test_initiator::core_irq_handler() {
SCCDEBUG("test_initiator") << "core_interrupt_i edge detected -> " << core_interrupt_i.read();
}
} /* namespace sysc */

55
examples/simple_system/test_initiator.h
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@ -1,55 +0,0 @@
/*******************************************************************************
* Copyright 2017 eyck@minres.com
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy
* of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
******************************************************************************/
/*
* test_initiator.h
*
* Created on: 17.09.2017
* Author: eyck@minres.com
*/
#ifndef _TEST_INITIATOR_H_
#define _TEST_INITIATOR_H_
#include <scc/utilities.h>
#include <tlm_utils/simple_initiator_socket.h>
namespace sysc {
class test_initiator : public sc_core::sc_module {
public:
SC_HAS_PROCESS(test_initiator);
tlm_utils::simple_initiator_socket<test_initiator, 32> intor;
sc_core::sc_vector<sc_core::sc_out<bool>> global_interrupts_o;
sc_core::sc_in<bool> core_interrupt_i;
sc_core::sc_in<bool> rst_i;
test_initiator(sc_core::sc_module_name nm);
protected:
void run();
void test_unique_irq();
void test_frequent_irq();
void test_parallel_irq();
void test_irq_stress();
void write_bus(std::uint32_t adr, std::uint32_t dat);
std::uint32_t read_bus(std::uint32_t adr);
void reg_check(std::uint32_t adr, std::uint32_t exp);
void core_irq_handler();
};
} /* namespace sysc */
#endif /* _TEST_INITIATOR_H_ */

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examples/simple_system/uart.cpp
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////////////////////////////////////////////////////////////////////////////////
// Copyright 2017 eyck@minres.com
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may not
// use this file except in compliance with the License. You may obtain a copy
// of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
////////////////////////////////////////////////////////////////////////////////
#include "uart.h"
#include "gen/uart_regs.h"
#include "scc/utilities.h"
namespace sysc {
uart::uart(sc_core::sc_module_name nm)
: sc_core::sc_module(nm)
, tlm_target<>(clk)
, NAMED(clk_i)
, NAMED(rst_i)
, NAMEDD(regs, uart_regs) {
regs->registerResources(*this);
SC_METHOD(clock_cb);
sensitive << clk_i;
SC_METHOD(reset_cb);
sensitive << rst_i;
}
uart::~uart() {} // NOLINT
void uart::clock_cb() { this->clk = clk_i.read(); }
void uart::reset_cb() {
if (rst_i.read())
regs->reset_start();
else
regs->reset_stop();
}
} /* namespace sysc */

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examples/simple_system/uart.h
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@ -1,43 +0,0 @@
/*******************************************************************************
* Copyright 2017 eyck@minres.com
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy
* of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
******************************************************************************/
#ifndef _UART_H_
#define _UART_H_
#include <scc/tlm_target.h>
namespace sysc {
class uart_regs;
class uart : public sc_core::sc_module, public scc::tlm_target<> {
public:
SC_HAS_PROCESS(uart);
sc_core::sc_in<sc_core::sc_time> clk_i;
sc_core::sc_in<bool> rst_i;
uart(sc_core::sc_module_name nm);
virtual ~uart();
protected:
void clock_cb();
void reset_cb();
sc_core::sc_time clk;
std::unique_ptr<uart_regs> regs;
};
} /* namespace sysc */
#endif /* _UART_H_ */

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examples/transaction_recording/CMakeLists.txt
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cmake_minimum_required(VERSION 3.12)
add_executable (transaction_recording
scv_tr_recording_example.cpp
)
target_link_libraries (transaction_recording LINK_PUBLIC scc)
add_test(NAME tx_rec_test COMMAND transaction_recording)

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examples/transaction_recording/scv_tr_recording_example.cpp
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// -*- C++ -*- <this line is for emacs to recognize it as C++ code>
/*****************************************************************************
The following code is derived, directly or indirectly, from the SystemC
source code Copyright (c) 1996-2014 by all Contributors.
All Rights reserved.
The contents of this file are subject to the restrictions and limitations
set forth in the SystemC Open Source License (the "License");
You may not use this file except in compliance with such restrictions and
limitations. You may obtain instructions on how to receive a copy of the
License at http://www.accellera.org/. Software distributed by Contributors
under the License is distributed on an "AS IS" basis, WITHOUT WARRANTY OF
ANY KIND, either express or implied. See the License for the specific
language governing rights and limitations under the License.
*****************************************************************************/
#include "scv.h"
#include "scc/scv_tr_db.h"
#include "scc/report.h"
#include "scc/value_registry.h"
#include <chrono>
// text 11308µs/11602µs
// compressed 10365µs/ 9860µs
// binary 13233µs/10698µs
// SQLite 30363µs/30018µs
// LeveDB 23898µs/22367µs
// hack to fake a true fifo_mutex
#define fifo_mutex sc_mutex
const unsigned ram_size = 256;
class rw_task_if : virtual public sc_interface {
public:
using addr_t = sc_uint<8>;
using data_t = sc_uint<8>;
struct write_t {
addr_t addr;
data_t data;
};
virtual data_t read(const addr_t *) = 0;
virtual void write(const write_t *) = 0;
};
SCV_EXTENSIONS(rw_task_if::write_t) {
public:
scv_extensions<rw_task_if::addr_t> addr;
scv_extensions<rw_task_if::data_t> data;
SCV_EXTENSIONS_CTOR(rw_task_if::write_t) {
SCV_FIELD(addr);
SCV_FIELD(data);
}
};
class pipelined_bus_ports : public sc_module {
public:
sc_in<bool> clk;
sc_inout<bool> rw;
sc_inout<bool> addr_req;
sc_inout<bool> addr_ack;
sc_inout<sc_uint<8>> bus_addr;
sc_inout<bool> data_rdy;
sc_inout<sc_uint<8>> bus_data;
SC_CTOR(pipelined_bus_ports)
: clk("clk")
, rw("rw")
, addr_req("addr_req")
, addr_ack("addr_ack")
, bus_addr("bus_addr")
, data_rdy("data_rdy")
, bus_data("bus_data") {}
void trace(sc_trace_file *tf) const override;
};
void pipelined_bus_ports::trace(sc_trace_file *tf) const {
sc_trace(tf, clk, clk.name());
sc_trace(tf, rw, rw.name());
sc_trace(tf, addr_req, addr_req.name());
sc_trace(tf, addr_ack, addr_ack.name());
sc_trace(tf, bus_addr, bus_addr.name());
sc_trace(tf, data_rdy, data_rdy.name());
sc_trace(tf, bus_data, bus_data.name());
}
class rw_pipelined_transactor : public rw_task_if, public pipelined_bus_ports {
fifo_mutex addr_phase;
fifo_mutex data_phase;
scv_tr_stream pipelined_stream;
scv_tr_stream addr_stream;
scv_tr_stream data_stream;
scv_tr_generator<sc_uint<8>, sc_uint<8>> read_gen;
scv_tr_generator<sc_uint<8>, sc_uint<8>> write_gen;
scv_tr_generator<sc_uint<8>> addr_gen;
scv_tr_generator<_scv_tr_generator_default_data, sc_uint<8>> rdata_gen;
scv_tr_generator<sc_uint<8>> wdata_gen;
public:
rw_pipelined_transactor(sc_module_name nm)
: pipelined_bus_ports(nm)
, addr_phase("addr_phase")
, data_phase("data_phase")
, pipelined_stream((std::string(name()) + ".pipelined_stream").c_str(), "transactor")
, addr_stream((std::string(name()) + ".addr_stream").c_str(), "transactor")
, data_stream((std::string(name()) + ".data_stream").c_str(), "transactor")
, read_gen("read", pipelined_stream, "addr", "data")
, write_gen("write", pipelined_stream, "addr", "data")
, addr_gen("addr", addr_stream, "addr")
, rdata_gen("rdata", data_stream, nullptr, "data")
, wdata_gen("wdata", data_stream, "data") {}
data_t read(const addr_t *p_addr) override;
void write(const write_t *req) override;
};
rw_task_if::data_t rw_pipelined_transactor::read(const addr_t *addr) {
addr_phase.lock();
scv_tr_handle h = read_gen.begin_transaction(*addr);
h.record_attribute("data_size", sizeof(data_t));
scv_tr_handle h1 = addr_gen.begin_transaction(*addr, "addr_phase", h);
wait(clk->posedge_event());
bus_addr = *addr;
rw = false;
addr_req = true;
wait(addr_ack->posedge_event());
wait(clk->negedge_event());
addr_req = false;
wait(addr_ack->negedge_event());
addr_gen.end_transaction(h1);
addr_phase.unlock();
data_phase.lock();
scv_tr_handle h2 = rdata_gen.begin_transaction("data_phase", h);
wait(data_rdy->posedge_event());
data_t data = bus_data.read();
wait(data_rdy->negedge_event());
rdata_gen.end_transaction(h2, data);
read_gen.end_transaction(h, data);
data_phase.unlock();
return data;
}
void rw_pipelined_transactor::write(const write_t *req) {
addr_phase.lock();
scv_tr_handle h = write_gen.begin_transaction(req->addr);
h.record_attribute("data_size", sizeof(data_t));
scv_tr_handle h1 = addr_gen.begin_transaction(req->addr, "addr_phase", h);
wait(clk->posedge_event());
bus_addr = req->addr;
rw = true;
addr_req = true;
wait(addr_ack->posedge_event());
wait(clk->negedge_event());
addr_req = false;
wait(addr_ack->negedge_event());
addr_gen.end_transaction(h1);
addr_phase.unlock();
data_phase.lock();
scv_tr_handle h2 = wdata_gen.begin_transaction(req->data, "data_phase", h);
bus_data = req->data;
wait(data_rdy->posedge_event());
wait(data_rdy->negedge_event());
wdata_gen.end_transaction(h2);
write_gen.end_transaction(h, req->data);
data_phase.unlock();
}
class test : public sc_module {
public:
sc_port<rw_task_if> transactor;
SC_HAS_PROCESS(test);
test(::sc_core::sc_module_name) {
SC_THREAD(main1);
SC_THREAD(main2);
}
void main1();
void main2();
};
class write_constraint : virtual public scv_constraint_base {
public:
scv_smart_ptr<rw_task_if::write_t> write;
SCV_CONSTRAINT_CTOR(write_constraint) { // NOLINT
SCV_CONSTRAINT(write->addr() <= ram_size); // NOLINT
SCV_CONSTRAINT(write->addr() != write->data()); // NOLINT
}
};
inline void process(scv_smart_ptr<int> data) {}
inline void test::main1() {
// simple sequential tests
for (int i = 0; i < 3; i++) {
rw_task_if::addr_t addr = i;
rw_task_if::data_t data = transactor->read(&addr);
SCCINFO(sc_get_current_object()->name()) << "received data : " << data;
}
scv_smart_ptr<rw_task_if::addr_t> addr;
for (int i = 0; i < 3; i++) {
addr->next();
rw_task_if::data_t data = transactor->read(addr->get_instance());
SCCINFO(sc_get_current_object()->name()) << "data for address " << *addr << " is " << data;
}
scv_smart_ptr<rw_task_if::write_t> write;
for (int i = 0; i < 3; i++) {
write->next();
transactor->write(write->get_instance());
SCCINFO(sc_get_current_object()->name()) << "send data : " << write->data;
}
scv_smart_ptr<int> data;
scv_bag<int> distribution;
distribution.push(1, 40);
distribution.push(2, 60);
data->set_mode(distribution);
for (int i = 0; i < 3; i++) {
data->next();
process(data);
}
}
inline void test::main2() {
// simple sequential tests
for (int i = 0; i < 3; i++) {
rw_task_if::addr_t addr = i;
rw_task_if::data_t data = transactor->read(&addr);
SCCINFO(sc_get_current_object()->name()) << "received data : " << data;
}
scv_smart_ptr<rw_task_if::addr_t> addr;
for (int i = 0; i < 3; i++) {
addr->next();
rw_task_if::data_t data = transactor->read(addr->get_instance());
SCCINFO(sc_get_current_object()->name()) << "data for address " << *addr << " is " << data;
}
scv_smart_ptr<rw_task_if::write_t> write;
for (int i = 0; i < 3; i++) {
write->next();
transactor->write(write->get_instance());
SCCINFO(sc_get_current_object()->name()) << "send data : " << write->data;
}
scv_smart_ptr<int> data;
scv_bag<int> distribution;
distribution.push(1, 140);
distribution.push(2, 160);
data->set_mode(distribution);
for (int i = 0; i < 3; i++) {
data->next();
process(data);
}
}
class design : public pipelined_bus_ports {
std::list<sc_uint<8>> outstandingAddresses;
std::list<bool> outstandingType;
sc_uint<8> memory[ram_size];
public:
SC_HAS_PROCESS(design);
design(sc_module_name nm)
: pipelined_bus_ports(nm) {
for (unsigned i = 0; i < ram_size; ++i) {
memory[i] = i;
}
SC_THREAD(addr_phase);
SC_THREAD(data_phase);
}
void addr_phase();
void data_phase();
};
inline void design::addr_phase() {
while (true) {
while (addr_req.read() != 1) {
wait(addr_req->value_changed_event());
}
sc_uint<8> _addr = bus_addr.read();
bool _rw = rw.read();
int cycle = rand() % 10 + 1;
while (cycle-- > 0) {
wait(clk->posedge_event());
}
addr_ack = true;
wait(clk->posedge_event());
addr_ack = false;
outstandingAddresses.push_back(_addr);
outstandingType.push_back(_rw);
SCCINFO(sc_get_current_object()->name()) << "received request for memory address " << _addr;
}
}
inline void design::data_phase() {
while (true) {
while (outstandingAddresses.empty()) {
wait(clk->posedge_event());
}
int cycle = rand() % 10 + 1;
while (cycle-- > 0) {
wait(clk->posedge_event());
}
if (outstandingType.front() == false) {
SCCINFO(sc_get_current_object()->name()) << "reading memory address " << outstandingAddresses.front() << " with value "
<< memory[outstandingAddresses.front().to_ulong()];
bus_data = memory[outstandingAddresses.front().to_ulong()];
data_rdy = true;
wait(clk->posedge_event());
data_rdy = false;
} else {
SCCINFO(sc_get_current_object()->name()) << "writing memory address " << outstandingAddresses.front() << " with value " << bus_data;
memory[outstandingAddresses.front().to_ulong()] = bus_data;
data_rdy = true;
wait(clk->posedge_event());
data_rdy = false;
}
outstandingAddresses.pop_front();
outstandingType.pop_front();
}
}
inline const char* init_db(char type){
switch(type){
case '2':
scv_tr_compressed_init();
return "my_db.txlog";
break;
case '3':
scv_tr_sqlite_init();
return "my_db.txdb";
break;
default:
scv_tr_text_init();
return "my_db.txlog";
break;
}
}
int sc_main(int argc, char *argv[]) {
auto start = std::chrono::system_clock::now();
scv_startup();
scc::init_logging(scc::LogConfig().logLevel(scc::log::DEBUG));
const char *fileName = argc==2? init_db(argv[1][0]): "my_db.txlog";
if(argc<2) scv_tr_text_init();
scv_tr_db db(fileName);
scv_tr_db::set_default_db(&db);
sc_trace_file *tf = sc_create_vcd_trace_file("my_db");
// create signals
sc_clock clk("clk", 20.0, SC_NS, 0.5, 0.0, SC_NS, true);
sc_signal<bool> rw;
sc_signal<bool> addr_req;
sc_signal<bool> addr_ack;
sc_signal<sc_uint<8>> bus_addr;
sc_signal<bool> data_rdy;
sc_signal<sc_uint<8>> bus_data;
scc::value_registry registry;
// create modules/channels
test t("t");
rw_pipelined_transactor tr("tr");
design duv("duv");
// connect them up
t.transactor(tr);
tr.clk(clk);
tr.rw(rw);
tr.addr_req(addr_req);
tr.addr_ack(addr_ack);
tr.bus_addr(bus_addr);
tr.data_rdy(data_rdy);
tr.bus_data(bus_data);
tr.trace(tf);
duv.clk(clk);
duv.rw(rw);
duv.addr_req(addr_req);
duv.addr_ack(addr_ack);
duv.bus_addr(bus_addr);
duv.data_rdy(data_rdy);
duv.bus_data(bus_data);
duv.trace(tf);
// Accellera SystemC >=2.2 got picky about multiple drivers.
// Disable check for bus simulation.
sc_report_handler::set_actions(SC_ID_MORE_THAN_ONE_SIGNAL_DRIVER_, SC_DO_NOTHING);
// run the simulation
sc_start(10.0, SC_US);
sc_close_vcd_trace_file(tf);
auto int_us = std::chrono::duration_cast<std::chrono::microseconds>(std::chrono::system_clock::now()-start);
SCCINFO() << "simulation duration "<<int_us.count()<<"µs";
return 0;
}

2
scc

@ -1 +1 @@
Subproject commit ebc5c4f9097e50f109549ffb6b6bd6693985f307
Subproject commit 74a05b818b6e50bcd0ecacbf9ecd4f45ee6b4178

4
src/CMakeLists.txt Normal file
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@ -0,0 +1,4 @@
project (test_util)
add_library(${PROJECT_NAME} factory.cpp)
target_include_directories(${PROJECT_NAME} PUBLIC ${CMAKE_CURRENT_SOURCE_DIR})

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#include "factory.h"
#include <stdexcept>
auto factory::get_instance() -> factory& {
static factory instance{};
return instance;
}
factory::factory() :
m_constructors{},
m_objects{}
{ }
void factory::create() {
for (const auto& item : m_constructors) {
m_objects[item.first] = item.second();
}
}
void factory::destroy() {
m_objects.clear();
}
void factory::add_object(const std::string& name, constructor create) {
auto it = m_constructors.find(name);
if (it == m_constructors.cend()) {
m_constructors[name] = create;
}
else {
throw std::runtime_error("factory::add(): "
+ name + " object already exist in factory");
}
}
auto factory::get_object(const std::string& name) -> void* {
auto it = m_objects.find(name);
if (it == m_objects.cend()) {
throw std::runtime_error("factory::get(): "
+ name + " object doesn't exist in factory");
}
return it->second.get();
}

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/*
* according to https://forums.accellera.org/topic/5754-unit-testing-with-gtest/
* factory.h
*
* Created on: Oct 1, 2022
* Author: eyck
*/
#ifndef SRC_FACTORY_H_
#define SRC_FACTORY_H_
#include <map>
#include <string>
#include <memory>
#include <functional>
class factory {
public:
static factory& get_instance();
template<typename T, typename ...Args>
class add {
public:
add(Args&&... args);
add(const std::string& name, Args&&... args);
};
template<typename T>
static T& get(const std::string& name = "");
void create();
void destroy();
private:
using destructor = std::function<void(void*)>;
using object = std::unique_ptr<void, destructor>;
using constructor = std::function<object(void)>;
factory();
factory(const factory& other) = delete;
factory& operator=(const factory& other) = delete;
void add_object(const std::string& name, constructor create);
void* get_object(const std::string& name);
std::map<std::string, constructor> m_constructors;
std::map<std::string, object> m_objects;
};
template<typename T, typename ...Args>
factory::add<T, Args...>::add(Args&&... args) {
add("", args...);
}
template<typename T, typename ...Args>
factory::add<T, Args...>::add(const std::string& name, Args&&... args) {
factory::get_instance().add_object(name,
[args...] () -> object {
return object{
new T(std::forward<Args>(args)...),
[] (void* obj) {
delete static_cast<T*>(obj);
}
};
}
);
}
template<typename T> auto
factory::get(const std::string& name) -> T& {
return *static_cast<T*>(factory::get_instance().get_object(name));
}
#endif /* SRC_FACTORY_H_ */

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tests/CMakeLists.txt
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add_subdirectory(io-redirector)
add_subdirectory(sim_performance)
add_subdirectory(ordered_semaphore)
add_subdirectory(axi4_pin_level)

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tests/axi4_pin_level/CMakeLists.txt Normal file
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project (axi4_pin_level)
add_executable(${PROJECT_NAME}
sc_main.cpp
narrow_burst_test.cpp
)
target_link_libraries (${PROJECT_NAME} PUBLIC scc test_util Catch2::Catch2)
add_test(NAME narrow_burst COMMAND ${PROJECT_NAME})

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tests/axi4_pin_level/narrow_burst_test.cpp Normal file
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#define SC_INCLUDE_DYNAMIC_PROCESSES
#include "../axi4_pin_level/testbench.h"
#include <factory.h>
#include <catch2/catch_all.hpp>
using namespace sc_core;
template<typename bus_cfg>
tlm::tlm_generic_payload* prepare_trans(uint64_t start_address, size_t len, unsigned id_offs = 0,
unsigned addr_offs = 0) {
static uint8_t id{0};
auto trans = tlm::scc::tlm_mm<>::get().allocate<axi::axi4_extension>(len);
trans->set_address(start_address);
tlm::scc::setId(*trans, id);
auto ext = trans->get_extension<axi::axi4_extension>();
trans->set_data_length(len);
trans->set_streaming_width(len);
ext->set_size(scc::ilog2(4));
sc_assert(len < (bus_cfg::BUSWIDTH / 8) || len % (bus_cfg::BUSWIDTH / 8) == 0);
auto length = (len * 8 - 1) / 32;
if(start_address % (bus_cfg::BUSWIDTH / 8))
length++;
ext->set_length(length);
// ext->set_burst(len * 8 > bus_cfg::buswidth ? axi::burst_e::INCR : axi::burst_e::FIXED);
ext->set_burst(axi::burst_e::INCR);
ext->set_id(id | id_offs);
id = (id + 1) % 8;
return trans;
}
inline void randomize(tlm::tlm_generic_payload& gp) {
static uint8_t req_cnt{0};
auto addr = gp.get_address();
uint8_t const* src = reinterpret_cast<uint8_t const*>(&addr);
for(size_t i = 0; i < gp.get_data_length(); ++i) {
*(gp.get_data_ptr() + i) = i % 2 ? i : req_cnt;
}
req_cnt++;
}
TEST_CASE("AXI", "[axi]") {
struct {
unsigned int ResetCycles{10};
unsigned int BurstLengthByte{16};
unsigned int NumberOfIterations{10};
unsigned resp_cnt{0};
} setup;
auto& dut = factory::get<testbench>();
dut.tgt_pe.set_operation_cb([&setup](axi::axi_protocol_types::tlm_payload_type& trans) -> unsigned {
auto addr = trans.get_address();
uint8_t const* src = reinterpret_cast<uint8_t const*>(&addr);
for(size_t i = 0; i < trans.get_data_length(); ++i) {
*(trans.get_data_ptr() + i) = i % 2 ? i : setup.resp_cnt;
}
setup.resp_cnt++;
return 0;
});
dut.rst.write(false);
sc_start(3*dut.clk.period());
dut.rst.write(true);
sc_start(3*dut.clk.period());
auto run1 = sc_spawn([&dut, &setup](){
unsigned int StartAddr{0x20};
for(int i = 0; i < setup.NumberOfIterations; ++i) {
SCCDEBUG("test") << "run0 executing transactions in iteration " << i;
{ // 1
tlm::scc::tlm_gp_shared_ptr trans = prepare_trans<testbench::bus_cfg>(StartAddr, setup.BurstLengthByte);
randomize(*trans);
trans->set_command(tlm::TLM_READ_COMMAND);
dut.intor_pe.transport(*trans, false);
if(trans->get_response_status() != tlm::TLM_OK_RESPONSE)
SCCERR() << "Invalid response status" << trans->get_response_string();
}
StartAddr += setup.BurstLengthByte;
{ // 2
tlm::scc::tlm_gp_shared_ptr trans = prepare_trans<testbench::bus_cfg>(StartAddr, setup.BurstLengthByte);
trans->set_command(tlm::TLM_WRITE_COMMAND);
randomize(*trans);
dut.intor_pe.transport(*trans, false);
if(trans->get_response_status() != tlm::TLM_OK_RESPONSE)
SCCERR() << "Invalid response status" << trans->get_response_string();
}
StartAddr += setup.BurstLengthByte;
}
});
auto run2 = sc_spawn([&dut, &setup](){
unsigned int StartAddr{0x1020};
for(int i = 0; i < setup.NumberOfIterations; ++i) {
SCCDEBUG("test") << "run1 executing transactions in iteration " << i;
{ // 1
tlm::scc::tlm_gp_shared_ptr trans = prepare_trans<testbench::bus_cfg>(StartAddr, setup.BurstLengthByte, 0x8);
randomize(*trans);
trans->set_command(tlm::TLM_READ_COMMAND);
dut.intor_pe.transport(*trans, false);
if(trans->get_response_status() != tlm::TLM_OK_RESPONSE)
SCCERR() << "Invalid response status" << trans->get_response_string();
}
StartAddr += setup.BurstLengthByte;
{ // 2
tlm::scc::tlm_gp_shared_ptr trans = prepare_trans<testbench::bus_cfg>(StartAddr, setup.BurstLengthByte, 0x8);
trans->set_command(tlm::TLM_WRITE_COMMAND);
randomize(*trans);
dut.intor_pe.transport(*trans, false);
if(trans->get_response_status() != tlm::TLM_OK_RESPONSE)
SCCERR() << "Invalid response status" << trans->get_response_string();
}
StartAddr += setup.BurstLengthByte;
}
});
sc_start(1000 * dut.clk.period());
REQUIRE(run1.terminated());
REQUIRE(run2.terminated());
REQUIRE(setup.resp_cnt==40);
}

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tests/axi4_pin_level/sc_main.cpp Normal file
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/*
* sc_main.cpp
*
* Created on:
* Author:
*/
#include "factory.h"
#include <catch2/catch_session.hpp>
#include "../axi4_pin_level/testbench.h"
using namespace scc;
int sc_main(int argc, char* argv[]) {
sc_report_handler::set_actions(SC_ID_MORE_THAN_ONE_SIGNAL_DRIVER_, SC_DO_NOTHING);
scc::init_logging(LogConfig().logLevel(log::INFO).logAsync(false));
scc::tracer trace("axi4_tlm_pin_tlm", scc::tracer::file_type::NONE, true);
factory::add<testbench> tb;
factory::get_instance().create();
int result = Catch::Session().run( argc, argv );
factory::get_instance().destroy();
return result + sc_report_handler::get_count(SC_ERROR) + sc_report_handler::get_count(SC_WARNING);
}

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tests/axi4_pin_level/testbench.h Normal file
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#ifndef _TESTBENCH_H_
#define _TESTBENCH_H_
#include <axi/pe/axi_initiator.h>
#include <axi/pe/simple_target.h>
#include <axi/pin/axi4_initiator.h>
#include <axi/pin/axi4_target.h>
#include <axi/scv/recorder_modules.h>
#include <scc.h>
using namespace sc_core;
using namespace axi;
using namespace axi::pe;
class testbench : public sc_core::sc_module {
public:
using bus_cfg = axi::axi4_cfg</*BUSWIDTH=*/64, /*ADDRWIDTH=*/32, /*IDWIDTH=*/4, /*USERWIDTH=*/1>;
sc_core::sc_time clk_period{10, sc_core::SC_NS};
sc_core::sc_clock clk{"clk", clk_period, 0.5, sc_core::SC_ZERO_TIME, true};
sc_core::sc_signal<bool> rst{"rst"};
// initiator side
axi::axi_initiator_socket<bus_cfg::BUSWIDTH> intor{"intor"};
axi::scv::axi_recorder_module<bus_cfg::BUSWIDTH> intor_rec{"intor_rec"};
axi::pin::axi4_initiator<bus_cfg> intor_bfm{"intor_bfm"};
// signal accurate bus
axi::aw_ch<bus_cfg, axi::signal_types> aw;
axi::wdata_ch<bus_cfg, axi::signal_types> wdata;
axi::b_ch<bus_cfg, axi::signal_types> b;
axi::ar_ch<bus_cfg, axi::signal_types> ar;
axi::rresp_ch<bus_cfg, axi::signal_types> rresp;
axi::pin::axi4_target<bus_cfg> tgt_bfm{"tgt_bfm"};
// target side
axi::scv::axi_recorder_module<bus_cfg::BUSWIDTH> tgt_rec{"tgt_rec"};
axi::axi_target_socket<bus_cfg::BUSWIDTH> tgt{"tgt"};
// engines
axi::pe::axi_initiator<bus_cfg::BUSWIDTH> intor_pe;
axi::pe::simple_target<bus_cfg::BUSWIDTH> tgt_pe;
public:
SC_HAS_PROCESS(testbench);
testbench(): testbench("testbench") {}
testbench(sc_core::sc_module_name nm)
: sc_core::sc_module(nm)
, intor_pe("intor_pe", intor)
, tgt_pe("tgt_pe", tgt) {
intor_pe.clk_i(clk);
intor_bfm.clk_i(clk);
tgt_bfm.clk_i(clk);
tgt_pe.clk_i(clk);
// pe socket to recorder
intor(intor_rec.tsckt);
// recorder to bfm
intor_rec.isckt(intor_bfm.tsckt);
// bfm to signals
intor_bfm.bind_aw(aw);
intor_bfm.bind_w(wdata);
intor_bfm.bind_b(b);
intor_bfm.bind_ar(ar);
intor_bfm.bind_r(rresp);
// signals to bfm
tgt_bfm.bind_aw(aw);
tgt_bfm.bind_w(wdata);
tgt_bfm.bind_b(b);
tgt_bfm.bind_ar(ar);
tgt_bfm.bind_r(rresp);
// bfm to recorder
tgt_bfm.isckt(tgt_rec.tsckt);
// recorder to target
tgt_rec.isckt(tgt);
}
void run1() {
}
};
#endif // _TESTBENCH_H_