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-rw-r--r--FreedomStudio/E31FPGA/vectored_interrupts/.cproject219
-rw-r--r--FreedomStudio/E31FPGA/vectored_interrupts/.gitignore1
-rw-r--r--FreedomStudio/E31FPGA/vectored_interrupts/.project233
-rw-r--r--FreedomStudio/E31FPGA/vectored_interrupts/sifive-coreplexip-e31-arty.cfg31
-rw-r--r--FreedomStudio/E31FPGA/vectored_interrupts/vectored_interrupts Debug.launch59
-rw-r--r--FreedomStudio/E51FPGA/vectored_interrupts/.cproject220
-rw-r--r--FreedomStudio/E51FPGA/vectored_interrupts/.gitignore1
-rw-r--r--FreedomStudio/E51FPGA/vectored_interrupts/.project233
-rw-r--r--FreedomStudio/E51FPGA/vectored_interrupts/sifive-coreplexip-e51-arty.cfg31
-rw-r--r--FreedomStudio/E51FPGA/vectored_interrupts/vectored_interrupts OpenOCD.launch59
-rw-r--r--bsp/env/coreplexip-e31-arty/init.c13
-rw-r--r--bsp/env/coreplexip-e31-arty/platform.h5
-rw-r--r--bsp/env/ventry.S288
-rw-r--r--software/vectored_interrupts/Makefile10
-rw-r--r--software/vectored_interrupts/vectored_interrupts.c216
15 files changed, 1617 insertions, 2 deletions
diff --git a/FreedomStudio/E31FPGA/vectored_interrupts/.cproject b/FreedomStudio/E31FPGA/vectored_interrupts/.cproject
new file mode 100644
index 0000000..8d8ac7e
--- /dev/null
+++ b/FreedomStudio/E31FPGA/vectored_interrupts/.cproject
@@ -0,0 +1,219 @@
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+ <option id="ilg.gnumcueclipse.managedbuild.cross.riscv.option.command.rm.190439479" name="Remove command" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.option.command.rm" value="rm" valueType="string"/>
+ <targetPlatform archList="all" binaryParser="org.eclipse.cdt.core.ELF" id="ilg.gnumcueclipse.managedbuild.cross.riscv.targetPlatform.1087126443" isAbstract="false" osList="all" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.targetPlatform"/>
+ <builder buildPath="${workspace_loc:/coreplexip_welcome}/Release" id="ilg.gnumcueclipse.managedbuild.cross.riscv.builder.1100639240" keepEnvironmentInBuildfile="false" managedBuildOn="true" name="Gnu Make Builder" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.builder"/>
+ <tool id="ilg.gnumcueclipse.managedbuild.cross.riscv.tool.assembler.1852055175" name="GNU RISC-V Cross Assembler" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.tool.assembler">
+ <option id="ilg.gnumcueclipse.managedbuild.cross.riscv.option.assembler.usepreprocessor.684576923" name="Use preprocessor" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.option.assembler.usepreprocessor" value="true" valueType="boolean"/>
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+ </tool>
+ <tool id="ilg.gnumcueclipse.managedbuild.cross.riscv.tool.c.compiler.743554394" name="GNU RISC-V Cross C Compiler" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.tool.c.compiler">
+ <inputType id="ilg.gnumcueclipse.managedbuild.cross.riscv.tool.c.compiler.input.2132640858" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.tool.c.compiler.input"/>
+ </tool>
+ <tool id="ilg.gnumcueclipse.managedbuild.cross.riscv.tool.cpp.compiler.351634096" name="GNU RISC-V Cross C++ Compiler" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.tool.cpp.compiler"/>
+ <tool id="ilg.gnumcueclipse.managedbuild.cross.riscv.tool.c.linker.1633934157" name="GNU RISC-V Cross C Linker" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.tool.c.linker">
+ <option id="ilg.gnumcueclipse.managedbuild.cross.riscv.option.c.linker.gcsections.1696261404" name="Remove unused sections (-Xlinker --gc-sections)" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.option.c.linker.gcsections" value="true" valueType="boolean"/>
+ <inputType id="ilg.gnumcueclipse.managedbuild.cross.riscv.tool.c.linker.input.1361926988" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.tool.c.linker.input">
+ <additionalInput kind="additionalinputdependency" paths="$(USER_OBJS)"/>
+ <additionalInput kind="additionalinput" paths="$(LIBS)"/>
+ </inputType>
+ </tool>
+ <tool id="ilg.gnumcueclipse.managedbuild.cross.riscv.tool.cpp.linker.2097010512" name="GNU RISC-V Cross C++ Linker" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.tool.cpp.linker">
+ <option id="ilg.gnumcueclipse.managedbuild.cross.riscv.option.cpp.linker.gcsections.446955466" name="Remove unused sections (-Xlinker --gc-sections)" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.option.cpp.linker.gcsections" value="true" valueType="boolean"/>
+ </tool>
+ <tool id="ilg.gnumcueclipse.managedbuild.cross.riscv.tool.archiver.1446800331" name="GNU RISC-V Cross Archiver" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.tool.archiver"/>
+ <tool id="ilg.gnumcueclipse.managedbuild.cross.riscv.tool.createflash.917780362" name="GNU RISC-V Cross Create Flash Image" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.tool.createflash"/>
+ <tool id="ilg.gnumcueclipse.managedbuild.cross.riscv.tool.createlisting.1881705446" name="GNU RISC-V Cross Create Listing" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.tool.createlisting">
+ <option id="ilg.gnumcueclipse.managedbuild.cross.riscv.option.createlisting.source.453203469" name="Display source (--source|-S)" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.option.createlisting.source" value="true" valueType="boolean"/>
+ <option id="ilg.gnumcueclipse.managedbuild.cross.riscv.option.createlisting.allheaders.511548754" name="Display all headers (--all-headers|-x)" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.option.createlisting.allheaders" value="true" valueType="boolean"/>
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+ </tool>
+ <tool id="ilg.gnumcueclipse.managedbuild.cross.riscv.tool.printsize.1315189209" name="GNU RISC-V Cross Print Size" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.tool.printsize">
+ <option id="ilg.gnumcueclipse.managedbuild.cross.riscv.option.printsize.format.1728208687" name="Size format" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.option.printsize.format"/>
+ </tool>
+ </toolChain>
+ </folderInfo>
+ </configuration>
+ </storageModule>
+ <storageModule moduleId="org.eclipse.cdt.core.externalSettings"/>
+ </cconfiguration>
+ </storageModule>
+ <storageModule moduleId="cdtBuildSystem" version="4.0.0">
+ <project id="coreplexip_welcome.ilg.gnumcueclipse.managedbuild.cross.riscv.target.elf.84799689" name="Executable" projectType="ilg.gnumcueclipse.managedbuild.cross.riscv.target.elf"/>
+ </storageModule>
+ <storageModule moduleId="scannerConfiguration">
+ <autodiscovery enabled="true" problemReportingEnabled="true" selectedProfileId=""/>
+ <scannerConfigBuildInfo instanceId="ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.release.188392491;ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.release.188392491.;ilg.gnumcueclipse.managedbuild.cross.riscv.tool.c.compiler.743554394;ilg.gnumcueclipse.managedbuild.cross.riscv.tool.c.compiler.input.2132640858">
+ <autodiscovery enabled="true" problemReportingEnabled="true" selectedProfileId=""/>
+ </scannerConfigBuildInfo>
+ <scannerConfigBuildInfo instanceId="ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.debug.1419430722;ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.debug.1419430722.;ilg.gnumcueclipse.managedbuild.cross.riscv.tool.c.compiler.424460842;ilg.gnumcueclipse.managedbuild.cross.riscv.tool.c.compiler.input.1695943366">
+ <autodiscovery enabled="true" problemReportingEnabled="true" selectedProfileId=""/>
+ </scannerConfigBuildInfo>
+ </storageModule>
+ <storageModule moduleId="org.eclipse.cdt.core.LanguageSettingsProviders"/>
+ <storageModule moduleId="refreshScope" versionNumber="2">
+ <configuration configurationName="Debug">
+ <resource resourceType="PROJECT" workspacePath="/coreplexip_welcome"/>
+ </configuration>
+ <configuration configurationName="Release">
+ <resource resourceType="PROJECT" workspacePath="/coreplexip_welcome"/>
+ </configuration>
+ </storageModule>
+ <storageModule moduleId="org.eclipse.cdt.make.core.buildtargets"/>
+</cproject>
diff --git a/FreedomStudio/E31FPGA/vectored_interrupts/.gitignore b/FreedomStudio/E31FPGA/vectored_interrupts/.gitignore
new file mode 100644
index 0000000..3df573f
--- /dev/null
+++ b/FreedomStudio/E31FPGA/vectored_interrupts/.gitignore
@@ -0,0 +1 @@
+/Debug/
diff --git a/FreedomStudio/E31FPGA/vectored_interrupts/.project b/FreedomStudio/E31FPGA/vectored_interrupts/.project
new file mode 100644
index 0000000..f34dc51
--- /dev/null
+++ b/FreedomStudio/E31FPGA/vectored_interrupts/.project
@@ -0,0 +1,233 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+ <name>vectored_interrupts</name>
+ <comment></comment>
+ <projects>
+ </projects>
+ <buildSpec>
+ <buildCommand>
+ <name>org.eclipse.cdt.managedbuilder.core.genmakebuilder</name>
+ <triggers>clean,full,incremental,</triggers>
+ <arguments>
+ </arguments>
+ </buildCommand>
+ <buildCommand>
+ <name>org.eclipse.cdt.managedbuilder.core.ScannerConfigBuilder</name>
+ <triggers>full,incremental,</triggers>
+ <arguments>
+ </arguments>
+ </buildCommand>
+ </buildSpec>
+ <natures>
+ <nature>org.eclipse.cdt.core.cnature</nature>
+ <nature>org.eclipse.cdt.managedbuilder.core.managedBuildNature</nature>
+ <nature>org.eclipse.cdt.managedbuilder.core.ScannerConfigNature</nature>
+ </natures>
+ <linkedResources>
+ <link>
+ <name>bsp</name>
+ <type>2</type>
+ <locationURI>virtual:/virtual</locationURI>
+ </link>
+ <link>
+ <name>vectored_interrupts.c</name>
+ <type>1</type>
+ <locationURI>PARENT-3-PROJECT_LOC/software/vectored_interrupts/vectored_interrupts.c</locationURI>
+ </link>
+ <link>
+ <name>bsp/.DS_Store</name>
+ <type>1</type>
+ <locationURI>PARENT-3-PROJECT_LOC/bsp/.DS_Store</locationURI>
+ </link>
+ <link>
+ <name>bsp/drivers</name>
+ <type>2</type>
+ <locationURI>virtual:/virtual</locationURI>
+ </link>
+ <link>
+ <name>bsp/env</name>
+ <type>2</type>
+ <locationURI>virtual:/virtual</locationURI>
+ </link>
+ <link>
+ <name>bsp/include</name>
+ <type>2</type>
+ <locationURI>virtual:/virtual</locationURI>
+ </link>
+ <link>
+ <name>bsp/drivers/.DS_Store</name>
+ <type>1</type>
+ <locationURI>PARENT-3-PROJECT_LOC/bsp/drivers/.DS_Store</locationURI>
+ </link>
+ <link>
+ <name>bsp/drivers/fe300prci</name>
+ <type>2</type>
+ <locationURI>virtual:/virtual</locationURI>
+ </link>
+ <link>
+ <name>bsp/drivers/plic</name>
+ <type>2</type>
+ <locationURI>virtual:/virtual</locationURI>
+ </link>
+ <link>
+ <name>bsp/env/.DS_Store</name>
+ <type>1</type>
+ <locationURI>PARENT-3-PROJECT_LOC/bsp/env/.DS_Store</locationURI>
+ </link>
+ <link>
+ <name>bsp/env/coreplexip-arty.h</name>
+ <type>1</type>
+ <locationURI>PARENT-3-PROJECT_LOC/bsp/env/coreplexip-arty.h</locationURI>
+ </link>
+ <link>
+ <name>bsp/env/coreplexip-e31-arty</name>
+ <type>2</type>
+ <locationURI>virtual:/virtual</locationURI>
+ </link>
+ <link>
+ <name>bsp/env/encoding.h</name>
+ <type>1</type>
+ <locationURI>PARENT-3-PROJECT_LOC/bsp/env/encoding.h</locationURI>
+ </link>
+ <link>
+ <name>bsp/env/start.S</name>
+ <type>1</type>
+ <locationURI>PARENT-3-PROJECT_LOC/bsp/env/start.S</locationURI>
+ </link>
+ <link>
+ <name>bsp/env/ventry.S</name>
+ <type>1</type>
+ <locationURI>PARENT-3-PROJECT_LOC/bsp/env/ventry.S</locationURI>
+ </link>
+ <link>
+ <name>bsp/include/.DS_Store</name>
+ <type>1</type>
+ <locationURI>PARENT-3-PROJECT_LOC/bsp/include/.DS_Store</locationURI>
+ </link>
+ <link>
+ <name>bsp/include/sifive</name>
+ <type>2</type>
+ <locationURI>virtual:/virtual</locationURI>
+ </link>
+ <link>
+ <name>bsp/drivers/fe300prci/fe300prci_driver.c</name>
+ <type>1</type>
+ <locationURI>PARENT-3-PROJECT_LOC/bsp/drivers/fe300prci/fe300prci_driver.c</locationURI>
+ </link>
+ <link>
+ <name>bsp/drivers/fe300prci/fe300prci_driver.h</name>
+ <type>1</type>
+ <locationURI>PARENT-3-PROJECT_LOC/bsp/drivers/fe300prci/fe300prci_driver.h</locationURI>
+ </link>
+ <link>
+ <name>bsp/drivers/plic/plic_driver.c</name>
+ <type>1</type>
+ <locationURI>PARENT-3-PROJECT_LOC/bsp/drivers/plic/plic_driver.c</locationURI>
+ </link>
+ <link>
+ <name>bsp/drivers/plic/plic_driver.h</name>
+ <type>1</type>
+ <locationURI>PARENT-3-PROJECT_LOC/bsp/drivers/plic/plic_driver.h</locationURI>
+ </link>
+ <link>
+ <name>bsp/env/coreplexip-e31-arty/flash.lds</name>
+ <type>1</type>
+ <locationURI>PARENT-3-PROJECT_LOC/bsp/env/coreplexip-e31-arty/flash.lds</locationURI>
+ </link>
+ <link>
+ <name>bsp/env/coreplexip-e31-arty/init.c</name>
+ <type>1</type>
+ <locationURI>PARENT-3-PROJECT_LOC/bsp/env/coreplexip-e31-arty/init.c</locationURI>
+ </link>
+ <link>
+ <name>bsp/env/coreplexip-e31-arty/openocd.cfg</name>
+ <type>1</type>
+ <locationURI>PARENT-3-PROJECT_LOC/bsp/env/coreplexip-e31-arty/openocd.cfg</locationURI>
+ </link>
+ <link>
+ <name>bsp/env/coreplexip-e31-arty/platform.h</name>
+ <type>1</type>
+ <locationURI>PARENT-3-PROJECT_LOC/bsp/env/coreplexip-e31-arty/platform.h</locationURI>
+ </link>
+ <link>
+ <name>bsp/env/coreplexip-e31-arty/scratchpad.lds</name>
+ <type>1</type>
+ <locationURI>PARENT-3-PROJECT_LOC/bsp/env/coreplexip-e31-arty/scratchpad.lds</locationURI>
+ </link>
+ <link>
+ <name>bsp/env/coreplexip-e31-arty/settings.mk</name>
+ <type>1</type>
+ <locationURI>PARENT-3-PROJECT_LOC/bsp/env/coreplexip-e31-arty/settings.mk</locationURI>
+ </link>
+ <link>
+ <name>bsp/include/sifive/bits.h</name>
+ <type>1</type>
+ <locationURI>PARENT-3-PROJECT_LOC/bsp/include/sifive/bits.h</locationURI>
+ </link>
+ <link>
+ <name>bsp/include/sifive/const.h</name>
+ <type>1</type>
+ <locationURI>PARENT-3-PROJECT_LOC/bsp/include/sifive/const.h</locationURI>
+ </link>
+ <link>
+ <name>bsp/include/sifive/devices</name>
+ <type>2</type>
+ <locationURI>virtual:/virtual</locationURI>
+ </link>
+ <link>
+ <name>bsp/include/sifive/sections.h</name>
+ <type>1</type>
+ <locationURI>PARENT-3-PROJECT_LOC/bsp/include/sifive/sections.h</locationURI>
+ </link>
+ <link>
+ <name>bsp/include/sifive/smp.h</name>
+ <type>1</type>
+ <locationURI>PARENT-3-PROJECT_LOC/bsp/include/sifive/smp.h</locationURI>
+ </link>
+ <link>
+ <name>bsp/include/sifive/devices/aon.h</name>
+ <type>1</type>
+ <locationURI>PARENT-3-PROJECT_LOC/bsp/include/sifive/devices/aon.h</locationURI>
+ </link>
+ <link>
+ <name>bsp/include/sifive/devices/clint.h</name>
+ <type>1</type>
+ <locationURI>PARENT-3-PROJECT_LOC/bsp/include/sifive/devices/clint.h</locationURI>
+ </link>
+ <link>
+ <name>bsp/include/sifive/devices/gpio.h</name>
+ <type>1</type>
+ <locationURI>PARENT-3-PROJECT_LOC/bsp/include/sifive/devices/gpio.h</locationURI>
+ </link>
+ <link>
+ <name>bsp/include/sifive/devices/otp.h</name>
+ <type>1</type>
+ <locationURI>PARENT-3-PROJECT_LOC/bsp/include/sifive/devices/otp.h</locationURI>
+ </link>
+ <link>
+ <name>bsp/include/sifive/devices/plic.h</name>
+ <type>1</type>
+ <locationURI>PARENT-3-PROJECT_LOC/bsp/include/sifive/devices/plic.h</locationURI>
+ </link>
+ <link>
+ <name>bsp/include/sifive/devices/prci.h</name>
+ <type>1</type>
+ <locationURI>PARENT-3-PROJECT_LOC/bsp/include/sifive/devices/prci.h</locationURI>
+ </link>
+ <link>
+ <name>bsp/include/sifive/devices/pwm.h</name>
+ <type>1</type>
+ <locationURI>PARENT-3-PROJECT_LOC/bsp/include/sifive/devices/pwm.h</locationURI>
+ </link>
+ <link>
+ <name>bsp/include/sifive/devices/spi.h</name>
+ <type>1</type>
+ <locationURI>PARENT-3-PROJECT_LOC/bsp/include/sifive/devices/spi.h</locationURI>
+ </link>
+ <link>
+ <name>bsp/include/sifive/devices/uart.h</name>
+ <type>1</type>
+ <locationURI>PARENT-3-PROJECT_LOC/bsp/include/sifive/devices/uart.h</locationURI>
+ </link>
+ </linkedResources>
+</projectDescription>
diff --git a/FreedomStudio/E31FPGA/vectored_interrupts/sifive-coreplexip-e31-arty.cfg b/FreedomStudio/E31FPGA/vectored_interrupts/sifive-coreplexip-e31-arty.cfg
new file mode 100644
index 0000000..8b382dc
--- /dev/null
+++ b/FreedomStudio/E31FPGA/vectored_interrupts/sifive-coreplexip-e31-arty.cfg
@@ -0,0 +1,31 @@
+# JTAG adapter setup
+adapter_khz 10000
+
+interface ftdi
+ftdi_device_desc "Olimex OpenOCD JTAG ARM-USB-TINY-H"
+ftdi_vid_pid 0x15ba 0x002a
+
+ftdi_layout_init 0x0808 0x0a1b
+ftdi_layout_signal nSRST -oe 0x0200
+#ftdi_layout_signal nTRST -data 0x0100 -oe 0x0100
+ftdi_layout_signal LED -data 0x0800
+
+set _CHIPNAME riscv
+jtag newtap $_CHIPNAME cpu -irlen 5 -expected-id 0x20000001
+
+set _TARGETNAME $_CHIPNAME.cpu
+
+target create $_TARGETNAME.0 riscv -chain-position $_TARGETNAME
+$_TARGETNAME.0 configure -work-area-phys 0x80000000 -work-area-size 10000 -work-area-backup 1
+
+# Un-comment these two flash lines if you have a SPI flash and want to write
+# it.
+flash bank spi0 fespi 0x40000000 0 0 0 $_TARGETNAME.0 0x20004000
+init
+if {[ info exists pulse_srst]} {
+ ftdi_set_signal nSRST 0
+ ftdi_set_signal nSRST z
+}
+halt
+flash protect 0 64 last off
+echo "Ready for Remote Connections"
diff --git a/FreedomStudio/E31FPGA/vectored_interrupts/vectored_interrupts Debug.launch b/FreedomStudio/E31FPGA/vectored_interrupts/vectored_interrupts Debug.launch
new file mode 100644
index 0000000..73f5aaa
--- /dev/null
+++ b/FreedomStudio/E31FPGA/vectored_interrupts/vectored_interrupts Debug.launch
@@ -0,0 +1,59 @@
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diff --git a/FreedomStudio/E51FPGA/vectored_interrupts/.cproject b/FreedomStudio/E51FPGA/vectored_interrupts/.cproject
new file mode 100644
index 0000000..c50fa56
--- /dev/null
+++ b/FreedomStudio/E51FPGA/vectored_interrupts/.cproject
@@ -0,0 +1,220 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
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+ <extension id="org.eclipse.cdt.core.GCCErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
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+ </storageModule>
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+ <builder buildPath="${workspace_loc:/coreplexip_welcome}/Release" id="ilg.gnumcueclipse.managedbuild.cross.riscv.builder.1100639240" keepEnvironmentInBuildfile="false" managedBuildOn="true" name="Gnu Make Builder" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.builder"/>
+ <tool id="ilg.gnumcueclipse.managedbuild.cross.riscv.tool.assembler.1852055175" name="GNU RISC-V Cross Assembler" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.tool.assembler">
+ <option id="ilg.gnumcueclipse.managedbuild.cross.riscv.option.assembler.usepreprocessor.684576923" name="Use preprocessor" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.option.assembler.usepreprocessor" value="true" valueType="boolean"/>
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+ <tool id="ilg.gnumcueclipse.managedbuild.cross.riscv.tool.c.compiler.743554394" name="GNU RISC-V Cross C Compiler" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.tool.c.compiler">
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+ </tool>
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+ <option id="ilg.gnumcueclipse.managedbuild.cross.riscv.option.cpp.linker.gcsections.446955466" name="Remove unused sections (-Xlinker --gc-sections)" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.option.cpp.linker.gcsections" value="true" valueType="boolean"/>
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+ <tool id="ilg.gnumcueclipse.managedbuild.cross.riscv.tool.archiver.1446800331" name="GNU RISC-V Cross Archiver" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.tool.archiver"/>
+ <tool id="ilg.gnumcueclipse.managedbuild.cross.riscv.tool.createflash.917780362" name="GNU RISC-V Cross Create Flash Image" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.tool.createflash"/>
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+ </tool>
+ <tool id="ilg.gnumcueclipse.managedbuild.cross.riscv.tool.printsize.1315189209" name="GNU RISC-V Cross Print Size" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.tool.printsize">
+ <option id="ilg.gnumcueclipse.managedbuild.cross.riscv.option.printsize.format.1728208687" name="Size format" superClass="ilg.gnumcueclipse.managedbuild.cross.riscv.option.printsize.format"/>
+ </tool>
+ </toolChain>
+ </folderInfo>
+ </configuration>
+ </storageModule>
+ <storageModule moduleId="org.eclipse.cdt.core.externalSettings"/>
+ </cconfiguration>
+ </storageModule>
+ <storageModule moduleId="cdtBuildSystem" version="4.0.0">
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+ </storageModule>
+ <storageModule moduleId="scannerConfiguration">
+ <autodiscovery enabled="true" problemReportingEnabled="true" selectedProfileId=""/>
+ <scannerConfigBuildInfo instanceId="ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.release.188392491;ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.release.188392491.;ilg.gnumcueclipse.managedbuild.cross.riscv.tool.c.compiler.743554394;ilg.gnumcueclipse.managedbuild.cross.riscv.tool.c.compiler.input.2132640858">
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+ <scannerConfigBuildInfo instanceId="ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.debug.1419430722;ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.debug.1419430722.;ilg.gnumcueclipse.managedbuild.cross.riscv.tool.c.compiler.424460842;ilg.gnumcueclipse.managedbuild.cross.riscv.tool.c.compiler.input.1695943366">
+ <autodiscovery enabled="true" problemReportingEnabled="true" selectedProfileId=""/>
+ </scannerConfigBuildInfo>
+ </storageModule>
+ <storageModule moduleId="org.eclipse.cdt.core.LanguageSettingsProviders"/>
+ <storageModule moduleId="refreshScope" versionNumber="2">
+ <configuration configurationName="Debug">
+ <resource resourceType="PROJECT" workspacePath="/coreplexip_welcome"/>
+ </configuration>
+ <configuration configurationName="Release">
+ <resource resourceType="PROJECT" workspacePath="/coreplexip_welcome"/>
+ </configuration>
+ </storageModule>
+ <storageModule moduleId="org.eclipse.cdt.make.core.buildtargets"/>
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diff --git a/FreedomStudio/E51FPGA/vectored_interrupts/.gitignore b/FreedomStudio/E51FPGA/vectored_interrupts/.gitignore
new file mode 100644
index 0000000..3df573f
--- /dev/null
+++ b/FreedomStudio/E51FPGA/vectored_interrupts/.gitignore
@@ -0,0 +1 @@
+/Debug/
diff --git a/FreedomStudio/E51FPGA/vectored_interrupts/.project b/FreedomStudio/E51FPGA/vectored_interrupts/.project
new file mode 100644
index 0000000..22e0667
--- /dev/null
+++ b/FreedomStudio/E51FPGA/vectored_interrupts/.project
@@ -0,0 +1,233 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+ <name>vectored_interrupts</name>
+ <comment></comment>
+ <projects>
+ </projects>
+ <buildSpec>
+ <buildCommand>
+ <name>org.eclipse.cdt.managedbuilder.core.genmakebuilder</name>
+ <triggers>clean,full,incremental,</triggers>
+ <arguments>
+ </arguments>
+ </buildCommand>
+ <buildCommand>
+ <name>org.eclipse.cdt.managedbuilder.core.ScannerConfigBuilder</name>
+ <triggers>full,incremental,</triggers>
+ <arguments>
+ </arguments>
+ </buildCommand>
+ </buildSpec>
+ <natures>
+ <nature>org.eclipse.cdt.core.cnature</nature>
+ <nature>org.eclipse.cdt.managedbuilder.core.managedBuildNature</nature>
+ <nature>org.eclipse.cdt.managedbuilder.core.ScannerConfigNature</nature>
+ </natures>
+ <linkedResources>
+ <link>
+ <name>bsp</name>
+ <type>2</type>
+ <locationURI>virtual:/virtual</locationURI>
+ </link>
+ <link>
+ <name>vectored_interrupts.c</name>
+ <type>1</type>
+ <locationURI>PARENT-3-PROJECT_LOC/software/vectored_interrupts/vectored_interrupts.c</locationURI>
+ </link>
+ <link>
+ <name>bsp/.DS_Store</name>
+ <type>1</type>
+ <locationURI>PARENT-3-PROJECT_LOC/bsp/.DS_Store</locationURI>
+ </link>
+ <link>
+ <name>bsp/drivers</name>
+ <type>2</type>
+ <locationURI>virtual:/virtual</locationURI>
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+ <link>
+ <name>bsp/env</name>
+ <type>2</type>
+ <locationURI>virtual:/virtual</locationURI>
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+ <link>
+ <name>bsp/include</name>
+ <type>2</type>
+ <locationURI>virtual:/virtual</locationURI>
+ </link>
+ <link>
+ <name>bsp/drivers/.DS_Store</name>
+ <type>1</type>
+ <locationURI>PARENT-3-PROJECT_LOC/bsp/drivers/.DS_Store</locationURI>
+ </link>
+ <link>
+ <name>bsp/drivers/fe300prci</name>
+ <type>2</type>
+ <locationURI>virtual:/virtual</locationURI>
+ </link>
+ <link>
+ <name>bsp/drivers/plic</name>
+ <type>2</type>
+ <locationURI>virtual:/virtual</locationURI>
+ </link>
+ <link>
+ <name>bsp/env/.DS_Store</name>
+ <type>1</type>
+ <locationURI>PARENT-3-PROJECT_LOC/bsp/env/.DS_Store</locationURI>
+ </link>
+ <link>
+ <name>bsp/env/coreplexip-arty.h</name>
+ <type>1</type>
+ <locationURI>PARENT-3-PROJECT_LOC/bsp/env/coreplexip-arty.h</locationURI>
+ </link>
+ <link>
+ <name>bsp/env/coreplexip-e51-arty</name>
+ <type>2</type>
+ <locationURI>virtual:/virtual</locationURI>
+ </link>
+ <link>
+ <name>bsp/env/encoding.h</name>
+ <type>1</type>
+ <locationURI>PARENT-3-PROJECT_LOC/bsp/env/encoding.h</locationURI>
+ </link>
+ <link>
+ <name>bsp/env/hifive1.h</name>
+ <type>1</type>
+ <locationURI>PARENT-3-PROJECT_LOC/bsp/env/hifive1.h</locationURI>
+ </link>
+ <link>
+ <name>bsp/env/start.S</name>
+ <type>1</type>
+ <locationURI>PARENT-3-PROJECT_LOC/bsp/env/start.S</locationURI>
+ </link>
+ <link>
+ <name>bsp/env/ventry.S</name>
+ <type>1</type>
+ <locationURI>PARENT-3-PROJECT_LOC/bsp/env/ventry.S</locationURI>
+ </link>
+ <link>
+ <name>bsp/include/.DS_Store</name>
+ <type>1</type>
+ <locationURI>PARENT-3-PROJECT_LOC/bsp/include/.DS_Store</locationURI>
+ </link>
+ <link>
+ <name>bsp/include/sifive</name>
+ <type>2</type>
+ <locationURI>virtual:/virtual</locationURI>
+ </link>
+ <link>
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+ <locationURI>PARENT-3-PROJECT_LOC/bsp/drivers/fe300prci/fe300prci_driver.c</locationURI>
+ </link>
+ <link>
+ <name>bsp/drivers/fe300prci/fe300prci_driver.h</name>
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+ <locationURI>PARENT-3-PROJECT_LOC/bsp/drivers/fe300prci/fe300prci_driver.h</locationURI>
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+ </link>
+ <link>
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+ </link>
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+ </link>
+ <link>
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+ </link>
+ <link>
+ <name>bsp/env/coreplexip-e51-arty/platform.h</name>
+ <type>1</type>
+ <locationURI>PARENT-3-PROJECT_LOC/bsp/env/coreplexip-e51-arty/platform.h</locationURI>
+ </link>
+ <link>
+ <name>bsp/env/coreplexip-e51-arty/scratchpad.lds</name>
+ <type>1</type>
+ <locationURI>PARENT-3-PROJECT_LOC/bsp/env/coreplexip-e51-arty/scratchpad.lds</locationURI>
+ </link>
+ <link>
+ <name>bsp/include/sifive/bits.h</name>
+ <type>1</type>
+ <locationURI>PARENT-3-PROJECT_LOC/bsp/include/sifive/bits.h</locationURI>
+ </link>
+ <link>
+ <name>bsp/include/sifive/const.h</name>
+ <type>1</type>
+ <locationURI>PARENT-3-PROJECT_LOC/bsp/include/sifive/const.h</locationURI>
+ </link>
+ <link>
+ <name>bsp/include/sifive/devices</name>
+ <type>2</type>
+ <locationURI>virtual:/virtual</locationURI>
+ </link>
+ <link>
+ <name>bsp/include/sifive/sections.h</name>
+ <type>1</type>
+ <locationURI>PARENT-3-PROJECT_LOC/bsp/include/sifive/sections.h</locationURI>
+ </link>
+ <link>
+ <name>bsp/include/sifive/smp.h</name>
+ <type>1</type>
+ <locationURI>PARENT-3-PROJECT_LOC/bsp/include/sifive/smp.h</locationURI>
+ </link>
+ <link>
+ <name>bsp/include/sifive/devices/aon.h</name>
+ <type>1</type>
+ <locationURI>PARENT-3-PROJECT_LOC/bsp/include/sifive/devices/aon.h</locationURI>
+ </link>
+ <link>
+ <name>bsp/include/sifive/devices/clint.h</name>
+ <type>1</type>
+ <locationURI>PARENT-3-PROJECT_LOC/bsp/include/sifive/devices/clint.h</locationURI>
+ </link>
+ <link>
+ <name>bsp/include/sifive/devices/gpio.h</name>
+ <type>1</type>
+ <locationURI>PARENT-3-PROJECT_LOC/bsp/include/sifive/devices/gpio.h</locationURI>
+ </link>
+ <link>
+ <name>bsp/include/sifive/devices/otp.h</name>
+ <type>1</type>
+ <locationURI>PARENT-3-PROJECT_LOC/bsp/include/sifive/devices/otp.h</locationURI>
+ </link>
+ <link>
+ <name>bsp/include/sifive/devices/plic.h</name>
+ <type>1</type>
+ <locationURI>PARENT-3-PROJECT_LOC/bsp/include/sifive/devices/plic.h</locationURI>
+ </link>
+ <link>
+ <name>bsp/include/sifive/devices/prci.h</name>
+ <type>1</type>
+ <locationURI>PARENT-3-PROJECT_LOC/bsp/include/sifive/devices/prci.h</locationURI>
+ </link>
+ <link>
+ <name>bsp/include/sifive/devices/pwm.h</name>
+ <type>1</type>
+ <locationURI>PARENT-3-PROJECT_LOC/bsp/include/sifive/devices/pwm.h</locationURI>
+ </link>
+ <link>
+ <name>bsp/include/sifive/devices/spi.h</name>
+ <type>1</type>
+ <locationURI>PARENT-3-PROJECT_LOC/bsp/include/sifive/devices/spi.h</locationURI>
+ </link>
+ <link>
+ <name>bsp/include/sifive/devices/uart.h</name>
+ <type>1</type>
+ <locationURI>PARENT-3-PROJECT_LOC/bsp/include/sifive/devices/uart.h</locationURI>
+ </link>
+ </linkedResources>
+</projectDescription>
diff --git a/FreedomStudio/E51FPGA/vectored_interrupts/sifive-coreplexip-e51-arty.cfg b/FreedomStudio/E51FPGA/vectored_interrupts/sifive-coreplexip-e51-arty.cfg
new file mode 100644
index 0000000..8b382dc
--- /dev/null
+++ b/FreedomStudio/E51FPGA/vectored_interrupts/sifive-coreplexip-e51-arty.cfg
@@ -0,0 +1,31 @@
+# JTAG adapter setup
+adapter_khz 10000
+
+interface ftdi
+ftdi_device_desc "Olimex OpenOCD JTAG ARM-USB-TINY-H"
+ftdi_vid_pid 0x15ba 0x002a
+
+ftdi_layout_init 0x0808 0x0a1b
+ftdi_layout_signal nSRST -oe 0x0200
+#ftdi_layout_signal nTRST -data 0x0100 -oe 0x0100
+ftdi_layout_signal LED -data 0x0800
+
+set _CHIPNAME riscv
+jtag newtap $_CHIPNAME cpu -irlen 5 -expected-id 0x20000001
+
+set _TARGETNAME $_CHIPNAME.cpu
+
+target create $_TARGETNAME.0 riscv -chain-position $_TARGETNAME
+$_TARGETNAME.0 configure -work-area-phys 0x80000000 -work-area-size 10000 -work-area-backup 1
+
+# Un-comment these two flash lines if you have a SPI flash and want to write
+# it.
+flash bank spi0 fespi 0x40000000 0 0 0 $_TARGETNAME.0 0x20004000
+init
+if {[ info exists pulse_srst]} {
+ ftdi_set_signal nSRST 0
+ ftdi_set_signal nSRST z
+}
+halt
+flash protect 0 64 last off
+echo "Ready for Remote Connections"
diff --git a/FreedomStudio/E51FPGA/vectored_interrupts/vectored_interrupts OpenOCD.launch b/FreedomStudio/E51FPGA/vectored_interrupts/vectored_interrupts OpenOCD.launch
new file mode 100644
index 0000000..b25a5d2
--- /dev/null
+++ b/FreedomStudio/E51FPGA/vectored_interrupts/vectored_interrupts OpenOCD.launch
@@ -0,0 +1,59 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<launchConfiguration type="ilg.gnumcueclipse.debug.gdbjtag.openocd.launchConfigurationType">
+<booleanAttribute key="ilg.gnumcueclipse.debug.gdbjtag.openocd.doContinue" value="true"/>
+<booleanAttribute key="ilg.gnumcueclipse.debug.gdbjtag.openocd.doDebugInRam" value="false"/>
+<booleanAttribute key="ilg.gnumcueclipse.debug.gdbjtag.openocd.doFirstReset" value="true"/>
+<booleanAttribute key="ilg.gnumcueclipse.debug.gdbjtag.openocd.doGdbServerAllocateConsole" value="true"/>
+<booleanAttribute key="ilg.gnumcueclipse.debug.gdbjtag.openocd.doGdbServerAllocateTelnetConsole" value="false"/>
+<booleanAttribute key="ilg.gnumcueclipse.debug.gdbjtag.openocd.doSecondReset" value="false"/>
+<booleanAttribute key="ilg.gnumcueclipse.debug.gdbjtag.openocd.doStartGdbServer" value="true"/>
+<booleanAttribute key="ilg.gnumcueclipse.debug.gdbjtag.openocd.enableSemihosting" value="true"/>
+<stringAttribute key="ilg.gnumcueclipse.debug.gdbjtag.openocd.firstResetType" value="init"/>
+<stringAttribute key="ilg.gnumcueclipse.debug.gdbjtag.openocd.gdbClientOtherCommands" value="set mem inaccessible-by-default off"/>
+<stringAttribute key="ilg.gnumcueclipse.debug.gdbjtag.openocd.gdbClientOtherOptions" value=""/>
+<stringAttribute key="ilg.gnumcueclipse.debug.gdbjtag.openocd.gdbServerConnectionAddress" value=""/>
+<stringAttribute key="ilg.gnumcueclipse.debug.gdbjtag.openocd.gdbServerExecutable" value="${openocd_path}/${openocd_executable}"/>
+<intAttribute key="ilg.gnumcueclipse.debug.gdbjtag.openocd.gdbServerGdbPortNumber" value="3333"/>
+<stringAttribute key="ilg.gnumcueclipse.debug.gdbjtag.openocd.gdbServerLog" value=""/>
+<stringAttribute key="ilg.gnumcueclipse.debug.gdbjtag.openocd.gdbServerOther" value="-f sifive-coreplexip-e51-arty.cfg"/>
+<intAttribute key="ilg.gnumcueclipse.debug.gdbjtag.openocd.gdbServerTelnetPortNumber" value="4444"/>
+<stringAttribute key="ilg.gnumcueclipse.debug.gdbjtag.openocd.otherInitCommands" value=""/>
+<stringAttribute key="ilg.gnumcueclipse.debug.gdbjtag.openocd.otherRunCommands" value=""/>
+<stringAttribute key="ilg.gnumcueclipse.debug.gdbjtag.openocd.secondResetType" value="halt"/>
+<stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.imageFileName" value=""/>
+<stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.imageOffset" value=""/>
+<stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.ipAddress" value="localhost"/>
+<stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.jtagDevice" value="GNU MCU OpenOCD"/>
+<booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.loadImage" value="true"/>
+<booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.loadSymbols" value="true"/>
+<stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.pcRegister" value=""/>
+<intAttribute key="org.eclipse.cdt.debug.gdbjtag.core.portNumber" value="3333"/>
+<booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.setPcRegister" value="false"/>
+<booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.setResume" value="false"/>
+<booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.setStopAt" value="true"/>
+<stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.stopAt" value="main"/>
+<stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.symbolsFileName" value=""/>
+<stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.symbolsOffset" value=""/>
+<booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.useFileForImage" value="false"/>
+<booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.useFileForSymbols" value="false"/>
+<booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.useProjBinaryForImage" value="true"/>
+<booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.useProjBinaryForSymbols" value="true"/>
+<booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.useRemoteTarget" value="true"/>
+<stringAttribute key="org.eclipse.cdt.dsf.gdb.DEBUG_NAME" value="${cross_prefix}gdb${cross_suffix}"/>
+<booleanAttribute key="org.eclipse.cdt.dsf.gdb.UPDATE_THREADLIST_ON_SUSPEND" value="false"/>
+<intAttribute key="org.eclipse.cdt.launch.ATTR_BUILD_BEFORE_LAUNCH_ATTR" value="2"/>
+<stringAttribute key="org.eclipse.cdt.launch.COREFILE_PATH" value=""/>
+<stringAttribute key="org.eclipse.cdt.launch.DEBUGGER_REGISTER_GROUPS" value=""/>
+<stringAttribute key="org.eclipse.cdt.launch.PROGRAM_NAME" value="Debug/vectored_interrupts.elf"/>
+<stringAttribute key="org.eclipse.cdt.launch.PROJECT_ATTR" value="vectored_interrupts"/>
+<booleanAttribute key="org.eclipse.cdt.launch.PROJECT_BUILD_CONFIG_AUTO_ATTR" value="true"/>
+<stringAttribute key="org.eclipse.cdt.launch.PROJECT_BUILD_CONFIG_ID_ATTR" value="ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.debug.1419430722"/>
+<listAttribute key="org.eclipse.debug.core.MAPPED_RESOURCE_PATHS">
+<listEntry value="/vectored_interrupts"/>
+</listAttribute>
+<listAttribute key="org.eclipse.debug.core.MAPPED_RESOURCE_TYPES">
+<listEntry value="4"/>
+</listAttribute>
+<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;Context string&quot;/&gt;&#10;"/>
+<stringAttribute key="process_factory_id" value="org.eclipse.cdt.dsf.gdb.GdbProcessFactory"/>
+</launchConfiguration>
diff --git a/bsp/env/coreplexip-e31-arty/init.c b/bsp/env/coreplexip-e31-arty/init.c
index 84ae09e..888f04f 100644
--- a/bsp/env/coreplexip-e31-arty/init.c
+++ b/bsp/env/coreplexip-e31-arty/init.c
@@ -10,8 +10,14 @@
#define XSTR(x) #x
#define STR(x) XSTR(x)
+#ifndef VECT_IRQ
+ #define TRAP_ENTRY trap_entry
+#else
+ #define TRAP_ENTRY vtrap_entry
+#endif
+
extern int main(int argc, char** argv);
-extern void trap_entry();
+extern void TRAP_ENTRY();
static unsigned long get_cpu_freq()
{
@@ -57,6 +63,7 @@ typedef void (*my_interrupt_function_ptr_t) (void);
extern my_interrupt_function_ptr_t localISR[];
#endif
+#ifndef VECT_IRQ
uintptr_t handle_trap(uintptr_t mcause, uintptr_t epc)
{
if (0){
@@ -81,6 +88,7 @@ uintptr_t handle_trap(uintptr_t mcause, uintptr_t epc)
}
return epc;
}
+#endif
void _init()
{
@@ -89,7 +97,8 @@ void _init()
puts("core freq at " STR(CPU_FREQ) " Hz\n");
- write_csr(mtvec, &trap_entry);
+ write_csr(mtvec, ((unsigned long)&TRAP_ENTRY | MTVEC_VECTORED));
+
#endif
}
diff --git a/bsp/env/coreplexip-e31-arty/platform.h b/bsp/env/coreplexip-e31-arty/platform.h
index 42c8887..307a0c6 100644
--- a/bsp/env/coreplexip-e31-arty/platform.h
+++ b/bsp/env/coreplexip-e31-arty/platform.h
@@ -13,6 +13,11 @@
#define MCAUSE_CAUSE 0x7FFFFFFFFFFFFFFFUL
#endif
+#ifdef VECT_IRQ
+ #define MTVEC_VECTORED 0x01
+#else
+ #define MTVEC_VECTORED 0x00
+#endif
#define IRQ_M_LOCAL 16
#define MIP_MLIP(x) (1 << (IRQ_M_LOCAL + x))
diff --git a/bsp/env/ventry.S b/bsp/env/ventry.S
new file mode 100644
index 0000000..5c82c48
--- /dev/null
+++ b/bsp/env/ventry.S
@@ -0,0 +1,288 @@
+// See LICENSE for license details
+
+#ifndef VENTRY_S
+#define VENTRY_S
+
+#include "encoding.h"
+#include "sifive/bits.h"
+
+#only save caller registers
+.macro TRAP_ENTRY
+ addi sp, sp, -16*REGBYTES
+
+ STORE x1, 0*REGBYTES(sp)
+ STORE x5, 1*REGBYTES(sp)
+ STORE x6, 2*REGBYTES(sp)
+ STORE x7, 3*REGBYTES(sp)
+ STORE x10, 4*REGBYTES(sp)
+ STORE x11, 5*REGBYTES(sp)
+ STORE x12, 6*REGBYTES(sp)
+ STORE x13, 7*REGBYTES(sp)
+ STORE x14, 8*REGBYTES(sp)
+ STORE x15, 9*REGBYTES(sp)
+ STORE x16, 10*REGBYTES(sp)
+ STORE x17, 11*REGBYTES(sp)
+ STORE x28, 12*REGBYTES(sp)
+ STORE x29, 13*REGBYTES(sp)
+ STORE x30, 14*REGBYTES(sp)
+ STORE x31, 15*REGBYTES(sp)
+.endm
+
+#restore caller registers
+.macro TRAP_EXIT
+# Remain in M-mode after mret
+ li t0, MSTATUS_MPP
+ csrs mstatus, t0
+
+ LOAD x1, 0*REGBYTES(sp)
+ LOAD x5, 1*REGBYTES(sp)
+ LOAD x6, 2*REGBYTES(sp)
+ LOAD x7, 3*REGBYTES(sp)
+ LOAD x10, 4*REGBYTES(sp)
+ LOAD x11, 5*REGBYTES(sp)
+ LOAD x12, 6*REGBYTES(sp)
+ LOAD x13, 7*REGBYTES(sp)
+ LOAD x14, 8*REGBYTES(sp)
+ LOAD x15, 9*REGBYTES(sp)
+ LOAD x16, 10*REGBYTES(sp)
+ LOAD x17, 11*REGBYTES(sp)
+ LOAD x28, 12*REGBYTES(sp)
+ LOAD x29, 13*REGBYTES(sp)
+ LOAD x30, 14*REGBYTES(sp)
+ LOAD x31, 15*REGBYTES(sp)
+
+ addi sp, sp, 16*REGBYTES
+ mret
+.endm
+
+
+
+#Vector table for E31/E51
+
+ .section .text.entry
+ .align 8
+ .global vtrap_entry
+vtrap_entry:
+ j sync_trap
+ .align 2
+ j reserved
+ .align 2
+ j reserved
+ .align 2
+ j vmsi_Handler
+ .align 2
+ j reserved
+ .align 2
+ j reserved
+ .align 2
+ j reserved
+ .align 2
+ j vmti_Handler
+ .align 2
+ j reserved
+ .align 2
+ j reserved
+ .align 2
+ j reserved
+ .align 2
+ j vmei_Handler
+ .align 2
+ j reserved
+ .align 2
+ j reserved
+ .align 2
+ j reserved
+ .align 2
+ j reserved
+ .align 2
+ j vlip_Handler0
+ .align 2
+ j vlip_Handler1
+ .align 2
+ j vlip_Handler2
+ .align 2
+ j vlip_Handler3
+ .align 2
+ j vlip_Handler4
+ .align 2
+ j vlip_Handler5
+ .align 2
+ j vlip_Handler6
+ .align 2
+ j vlip_Handler7
+ .align 2
+ j vlip_Handler8
+ .align 2
+ j vlip_Handler9
+ .align 2
+ j vlip_Handler10
+ .align 2
+ j vlip_Handler11
+ .align 2
+ j vlip_Handler12
+ .align 2
+ j vlip_Handler13
+ .align 2
+ j vlip_Handler14
+ .align 2
+ j vlip_Handler15
+
+#synchronous trap
+sync_trap:
+ TRAP_ENTRY
+ jal handle_sync_trap
+ TRAP_EXIT
+
+#Machine Software Interrupt
+vmsi_Handler:
+ TRAP_ENTRY
+ jal reserved
+ TRAP_EXIT
+
+#Machine Timer Interrupt
+vmti_Handler:
+ TRAP_ENTRY
+ jal handle_m_time_interrupt
+ TRAP_EXIT
+
+#Machine External Interrupt
+vmei_Handler:
+ TRAP_ENTRY
+ jal handle_m_external_interrupt
+ TRAP_EXIT
+
+#LIP0
+vlip_Handler0:
+ TRAP_ENTRY
+ jal handle_local_interrupt0
+ TRAP_EXIT
+
+#LIP1
+vlip_Handler1:
+ TRAP_ENTRY
+ jal handle_local_interrupt1
+ TRAP_EXIT
+
+#LIP2
+vlip_Handler2:
+ TRAP_ENTRY
+ jal handle_local_interrupt2
+ TRAP_EXIT
+
+#LIP3
+vlip_Handler3:
+ TRAP_ENTRY
+ jal handle_local_interrupt3
+ TRAP_EXIT
+
+#LIP4
+vlip_Handler4:
+ TRAP_ENTRY
+ jal handle_local_interrupt4
+ TRAP_EXIT
+
+#LIP5
+vlip_Handler5:
+ TRAP_ENTRY
+ jal handle_local_interrupt5
+ TRAP_EXIT
+
+#LIP6
+vlip_Handler6:
+ TRAP_ENTRY
+ jal handle_local_interrupt6
+ TRAP_EXIT
+
+#LIP7
+vlip_Handler7:
+ TRAP_ENTRY
+ jal handle_local_interrupt7
+ TRAP_EXIT
+
+#LIP8
+vlip_Handler8:
+ TRAP_ENTRY
+ jal handle_local_interrupt8
+ TRAP_EXIT
+
+#LIP9
+vlip_Handler9:
+ TRAP_ENTRY
+ jal handle_local_interrupt9
+ TRAP_EXIT
+
+#LIP10
+vlip_Handler10:
+ TRAP_ENTRY
+ jal handle_local_interrupt10
+ TRAP_EXIT
+
+#LIP11
+vlip_Handler11:
+ TRAP_ENTRY
+ jal handle_local_interrupt11
+ TRAP_EXIT
+
+#LIP12
+vlip_Handler12:
+ TRAP_ENTRY
+ jal handle_local_interrupt12
+ TRAP_EXIT
+
+#LIP13
+vlip_Handler13:
+ TRAP_ENTRY
+ jal handle_local_interrupt13
+ TRAP_EXIT
+
+#LIP14
+vlip_Handler14:
+ TRAP_ENTRY
+ jal handle_local_interrupt14
+ TRAP_EXIT
+
+#LIP15
+vlip_Handler15:
+ TRAP_ENTRY
+ jal handle_local_interrupt15
+ TRAP_EXIT
+
+#unimplemented ISRs trap here
+.weak reserved
+reserved:
+.weak handle_local_interrupt0
+handle_local_interrupt0:
+.weak handle_local_interrupt1
+handle_local_interrupt1:
+.weak handle_local_interrupt2
+handle_local_interrupt2:
+.weak handle_local_interrupt3
+handle_local_interrupt3:
+.weak handle_local_interrupt4
+handle_local_interrupt4:
+.weak handle_local_interrupt5
+handle_local_interrupt5:
+.weak handle_local_interrupt6
+handle_local_interrupt6:
+.weak handle_local_interrupt7
+handle_local_interrupt7:
+.weak handle_local_interrupt8
+handle_local_interrupt8:
+.weak handle_local_interrupt9
+handle_local_interrupt9:
+.weak handle_local_interrupt10
+handle_local_interrupt10:
+.weak handle_local_interrupt11
+handle_local_interrupt11:
+.weak handle_local_interrupt12
+handle_local_interrupt12:
+.weak handle_local_interrupt13
+handle_local_interrupt13:
+.weak handle_local_interrupt14
+handle_local_interrupt14:
+.weak handle_local_interrupt15
+handle_local_interrupt15:
+1:
+ j 1b
+
+#endif
diff --git a/software/vectored_interrupts/Makefile b/software/vectored_interrupts/Makefile
new file mode 100644
index 0000000..4365038
--- /dev/null
+++ b/software/vectored_interrupts/Makefile
@@ -0,0 +1,10 @@
+TARGET = vectored_interrupts
+CFLAGS += -O2 -fno-builtin-printf -DVECT_IRQ
+
+BSP_BASE = ../../bsp
+
+ASM_SRCS += $(ENV_DIR)/ventry.S
+C_SRCS += vectored_interrupts.c
+C_SRCS += $(BSP_BASE)/drivers/plic/plic_driver.c
+
+include $(BSP_BASE)/env/common.mk
diff --git a/software/vectored_interrupts/vectored_interrupts.c b/software/vectored_interrupts/vectored_interrupts.c
new file mode 100644
index 0000000..06b9620
--- /dev/null
+++ b/software/vectored_interrupts/vectored_interrupts.c
@@ -0,0 +1,216 @@
+// See LICENSE for license details.
+
+#include <stdio.h>
+#include <stdlib.h>
+#include "platform.h"
+#include <string.h>
+#include "plic/plic_driver.h"
+#include "encoding.h"
+#include <unistd.h>
+
+#ifndef _SIFIVE_COREPLEXIP_ARTY_H
+#error 'global_interrupts' demo only supported for Coreplex IP Eval Kits
+#endif
+
+// Global Instance data for the PLIC
+// for use by the PLIC Driver.
+plic_instance_t g_plic;
+
+// Structures for registering different interrupt handlers
+// for different parts of the application.
+typedef void (*interrupt_function_ptr_t) (void);
+//array of function pointers which contains the PLIC
+//interrupt handlers
+interrupt_function_ptr_t g_ext_interrupt_handlers[PLIC_NUM_INTERRUPTS];
+
+const char * instructions_msg = " \
+\n\
+ SIFIVE, INC.\n\
+E31/E51 Coreplex IP Eval Kit 'vectored_interrupts' demo. \n\
+\n\
+This demo demonstrates Vectored Interrupts capabilities of\n\
+the E31/E51 Coreplex. The vector table is defined in \n\
+bsp/env/ventry.S \n\
+Button 0 is a global external interrupt routed to the PLIC.\n\
+Button 1 is a local interrupt.\n\
+\n";
+
+void print_instructions() {
+
+ write (STDOUT_FILENO, instructions_msg, strlen(instructions_msg));
+
+}
+
+void set_timer() {
+
+ volatile uint64_t * mtime = (uint64_t*) (CLINT_CTRL_ADDR + CLINT_MTIME);
+ volatile uint64_t * mtimecmp = (uint64_t*) (CLINT_CTRL_ADDR + CLINT_MTIMECMP);
+ uint64_t now = *mtime;
+ uint64_t then = now + 1*RTC_FREQ;
+ *mtimecmp = then;
+
+ set_csr(mie, MIP_MTIP);
+}
+
+/*Entry Point for Machine Timer Interrupt Handler*/
+/*called from bsp/env/ventry.s */
+void handle_m_time_interrupt(){
+ static uint32_t onoff=1;
+
+ clear_csr(mie, MIP_MTIP);
+
+ // Set Green LED
+ if(onoff) {
+ GPIO_REG(GPIO_OUTPUT_VAL) |= (0x1 << GREEN_LED_OFFSET) ;
+ onoff=0;
+ }else {
+ GPIO_REG(GPIO_OUTPUT_VAL) &= ~((0x1 << GREEN_LED_OFFSET)) ;
+ onoff=1;
+ }
+ set_timer();
+
+ //re-enable button1 irq
+ set_csr(mie, MIP_MLIP(LOCAL_INT_BTN_1));
+
+}
+
+/*Synchronous Trap Handler*/
+/*called from bsp/env/ventry.s */
+void handle_sync_trap( ) {
+ write(1, "vUnhandled Trap:\n", 16);
+ _exit(1 + read_csr(mcause));
+}
+
+/*Entry Point for PLIC Interrupt Handler*/
+/*called from bsp/env/ventry.s */
+void handle_m_external_interrupt(){
+ printf("In PLIC handler\n");
+ plic_source int_num = PLIC_claim_interrupt(&g_plic);
+ if ((int_num >=1 ) && (int_num < PLIC_NUM_INTERRUPTS)) {
+ g_ext_interrupt_handlers[int_num]();
+ }
+ else {
+ exit(1 + (uintptr_t) int_num);
+ }
+ PLIC_complete_interrupt(&g_plic, int_num);
+}
+
+//default empty PLIC handler
+void invalid_global_isr() {
+ printf("Unexpected global interrupt!\n");
+}
+
+/* b0 global interrupt isr */
+/*called from handle_m_external_interrupt */
+void button_0_handler() {
+ static uint32_t onoff=1;
+ // Set Green LED
+
+ printf("In Button 0 handler\n");
+
+ if(onoff) {
+ GPIO_REG(GPIO_OUTPUT_VAL) |= (0x1 << BLUE_LED_OFFSET) ;
+ onoff=0;
+ }else {
+ GPIO_REG(GPIO_OUTPUT_VAL) &= ~((0x1 << BLUE_LED_OFFSET)) ;
+ onoff=1;
+ }
+
+ //clear irq - interrupt pending register is write 1 to clear
+ GPIO_REG(GPIO_FALL_IP) |= (1<<BUTTON_0_OFFSET);
+}
+
+/*b1 local vectored irq handler */
+/*called from bsp/env/ventry.s */
+void handle_local_interrupt5() {
+ static uint32_t onoff=1;
+ // Set Green LED
+
+ printf("In Button 1 handler\n");
+
+ if(onoff) {
+ GPIO_REG(GPIO_OUTPUT_VAL) |= (0x1 << RED_LED_OFFSET) ;
+ onoff=0;
+ }else {
+ GPIO_REG(GPIO_OUTPUT_VAL) &= ~((0x1 << RED_LED_OFFSET)) ;
+ onoff=1;
+ }
+
+ //debounce by turning off until next timer tick
+ clear_csr(mie, MIP_MLIP(LOCAL_INT_BTN_1));
+}
+
+/*configures Button0 as a global gpio irq*/
+void b0_irq_init() {
+
+ //dissable hw io function
+ GPIO_REG(GPIO_IOF_EN ) &= ~(1 << BUTTON_0_OFFSET);
+
+ //set to input
+ GPIO_REG(GPIO_INPUT_EN) |= (1<<BUTTON_0_OFFSET);
+ GPIO_REG(GPIO_PULLUP_EN) |= (1<<BUTTON_0_OFFSET);
+
+ //set to interrupt on falling edge
+ GPIO_REG(GPIO_FALL_IE) |= (1<<BUTTON_0_OFFSET);
+
+ PLIC_init(&g_plic,
+ PLIC_CTRL_ADDR,
+ PLIC_NUM_INTERRUPTS,
+ PLIC_NUM_PRIORITIES);
+
+ PLIC_enable_interrupt (&g_plic, INT_DEVICE_BUTTON_0);
+ PLIC_set_priority(&g_plic, INT_DEVICE_BUTTON_0, 2);
+ g_ext_interrupt_handlers[INT_DEVICE_BUTTON_0] = button_0_handler;
+}
+
+/*configures Button1 as a local interrupt*/
+void b1_irq_init() {
+
+ //enable the interrupt
+ set_csr(mie, MIP_MLIP(LOCAL_INT_BTN_1));
+
+}
+
+/*turn down the brightness, and configure GPIO */
+void led_init() {
+ // Make sure people aren't blinded by LEDs connected here.
+ PWM0_REG(PWM_CMP0) = 0xFE;
+ PWM0_REG(PWM_CMP1) = 0xFF;
+ PWM0_REG(PWM_CMP2) = 0xFF;
+ PWM0_REG(PWM_CMP3) = 0xFF;
+ // Set up RGB LEDs for a visual.
+ GPIO_REG(GPIO_OUTPUT_EN) |= ((0x1<< RED_LED_OFFSET)| (0x1<< GREEN_LED_OFFSET)| (0x1<< BLUE_LED_OFFSET));
+ GPIO_REG(GPIO_OUTPUT_VAL) &= ~((0x1<< RED_LED_OFFSET) | (0x1<< GREEN_LED_OFFSET) | (0x1<< BLUE_LED_OFFSET));
+
+}
+
+int main(int argc, char **argv)
+{
+ //setup default global interrupt handler
+ for (int gisr = 0; gisr < PLIC_NUM_INTERRUPTS; gisr++){
+ g_ext_interrupt_handlers[PLIC_NUM_INTERRUPTS] = invalid_global_isr;
+ }
+
+ print_instructions();
+
+ led_init();
+ b0_irq_init();
+ b1_irq_init();
+
+ // Set up machine timer interrupt.
+ set_timer();
+
+ // Enable Global (PLIC) interrupts.
+ set_csr(mie, MIP_MEIP);
+
+ // Enable all interrupts
+ set_csr(mstatus, MSTATUS_MIE);
+
+
+ while(1){
+ asm volatile ("wfi");
+ }
+
+ return 0;
+
+}
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