Adapted descriptions to improved Core DSL and regenerated code
This commit is contained in:
parent
9ad29ddb64
commit
19b660962b
@ -10,15 +10,14 @@
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<extension id="org.eclipse.cdt.core.GASErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
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<extension id="org.eclipse.cdt.core.GLDErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
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<extension id="org.eclipse.cdt.core.GCCErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
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<extension id="org.eclipse.cdt.core.MakeErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
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</extensions>
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</storageModule>
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<storageModule moduleId="cdtBuildSystem" version="4.0.0">
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<configuration artifactName="${ProjName}" buildArtefactType="org.eclipse.cdt.build.core.buildArtefactType.exe" buildProperties="org.eclipse.cdt.build.core.buildArtefactType=org.eclipse.cdt.build.core.buildArtefactType.exe,org.eclipse.cdt.build.core.buildType=org.eclipse.cdt.build.core.buildType.debug" cleanCommand="rm -rf" description="" id="cdt.managedbuild.config.gnu.exe.debug.1751741082" name="Debug" optionalBuildProperties="org.eclipse.cdt.docker.launcher.containerbuild.property.volumes=,org.eclipse.cdt.docker.launcher.containerbuild.property.selectedvolumes=" parent="cdt.managedbuild.config.gnu.exe.debug">
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<configuration artifactName="${ProjName}" buildArtefactType="org.eclipse.cdt.build.core.buildArtefactType.exe" buildProperties="org.eclipse.cdt.build.core.buildArtefactType=org.eclipse.cdt.build.core.buildArtefactType.exe,org.eclipse.cdt.build.core.buildType=org.eclipse.cdt.build.core.buildType.debug" cleanCommand="rm -rf" description="" id="cdt.managedbuild.config.gnu.exe.debug.1751741082" name="Debug" optionalBuildProperties="org.eclipse.cdt.docker.launcher.containerbuild.property.selectedvolumes=,org.eclipse.cdt.docker.launcher.containerbuild.property.volumes=" parent="cdt.managedbuild.config.gnu.exe.debug">
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<folderInfo id="cdt.managedbuild.config.gnu.exe.debug.1751741082." name="/" resourcePath="">
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<toolChain id="cdt.managedbuild.toolchain.gnu.exe.debug.1289745146" name="Linux GCC" superClass="cdt.managedbuild.toolchain.gnu.exe.debug">
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<targetPlatform binaryParser="org.eclipse.cdt.core.GNU_ELF;org.eclipse.cdt.core.ELF" id="cdt.managedbuild.target.gnu.platform.exe.debug.1460698591" name="Debug Platform" superClass="cdt.managedbuild.target.gnu.platform.exe.debug"/>
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<builder buildPath="/DBT-RISE-RISCV/build/{ConfigName}" id="de.marw.cdt.cmake.core.genmakebuilder.2061143699" keepEnvironmentInBuildfile="false" managedBuildOn="true" name="CMake Builder (GNU Make)" parallelBuildOn="true" parallelizationNumber="optimal" superClass="de.marw.cdt.cmake.core.genmakebuilder"/>
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<builder buildPath="/DBT-RISE-RISCV/build/Debug" id="de.marw.cdt.cmake.core.genscriptbuilder.2135578907" keepEnvironmentInBuildfile="false" name="CMake Builder (portable)" parallelBuildOn="false" superClass="de.marw.cdt.cmake.core.genscriptbuilder"/>
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<tool id="cdt.managedbuild.tool.gnu.archiver.base.366643800" name="GCC Archiver" superClass="cdt.managedbuild.tool.gnu.archiver.base"/>
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<tool id="cdt.managedbuild.tool.gnu.cpp.compiler.exe.debug.1510612390" name="GCC C++ Compiler" superClass="cdt.managedbuild.tool.gnu.cpp.compiler.exe.debug">
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<option id="gnu.cpp.compiler.exe.debug.option.optimization.level.1768317780" name="Optimization Level" superClass="gnu.cpp.compiler.exe.debug.option.optimization.level" useByScannerDiscovery="false" value="gnu.cpp.compiler.optimization.level.none" valueType="enumerated"/>
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@ -46,7 +45,7 @@
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</storageModule>
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<storageModule moduleId="org.eclipse.cdt.core.externalSettings"/>
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<storageModule buildDir="build/${ConfigName}" moduleId="de.marw.cdt.cmake.core.settings">
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<options clearCache="true"/>
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<options/>
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<linux command="cmake" generator="UnixMakefiles" use-default="true">
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<defs>
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<def name="CMAKE_VERBOSE_MAKEFILE" type="BOOL" val="OFF"/>
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2
dbt-core
2
dbt-core
@ -1 +1 @@
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Subproject commit 393c374cac4950e629036dda1615abedf866961f
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Subproject commit 23dbab0b768d122c492110d1db34408e9ae787f3
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@ -1,108 +1,108 @@
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import "RV32IBase.core_desc"
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InsructionSet RV32A extends RV32IBase{
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address_spaces {
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RES[8]
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}
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instructions{
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LR.W {
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encoding: b00010 | aq[0:0] | rl[0:0] | b00000 | rs1[4:0] | b010 | rd[4:0] | b0101111;
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args_disass: "x%rd$d, x%rs1$d";
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if(rd!=0){
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val offs[XLEN] <= X[rs1];
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X[rd]<= sext(MEM[offs]{32}, XLEN);
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RES[offs]{32}<=sext(-1, 32);
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}
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}
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SC.W {
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encoding: b00011 | aq[0:0] | rl[0:0] | rs2[4:0] | rs1[4:0] | b010 | rd[4:0] | b0101111;
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args_disass: "x%rd$d, x%rs1$d, x%rs2$d";
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val offs[XLEN] <= X[rs1];
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val res1[32] <= RES[offs]{32};
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if(res1!=0)
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MEM[offs]{32} <= X[rs2];
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if(rd!=0) X[rd]<= choose(res1!=0, 0, 1);
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}
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AMOSWAP.W{
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encoding: b00001 | aq[0:0] | rl[0:0] | rs2[4:0] | rs1[4:0] | b010 | rd[4:0] | b0101111;
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args_disass: "x%rd$d, x%rs1$d, x%rs2$d (aqu=%aq$d,rel=%rl$d)";
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val offs[XLEN]<=X[rs1];
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if(rd!=0) X[rd]<=sext(MEM[offs]{32});
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MEM[offs]{32}<=X[rs2];
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}
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AMOADD.W{
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encoding: b00000 | aq[0:0] | rl[0:0] | rs2[4:0] | rs1[4:0] | b010 | rd[4:0] | b0101111;
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args_disass: "x%rd$d, x%rs1$d, x%rs2$d (aqu=%aq$d,rel=%rl$d)";
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val offs[XLEN]<=X[rs1];
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val res1[XLEN] <= sext(MEM[offs]{32});
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if(rd!=0) X[rd]<=res1;
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val res2[XLEN]<=res1 + X[rs2];
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MEM[offs]{32}<=res2;
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}
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AMOXOR.W{
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encoding: b00100 | aq[0:0] | rl[0:0] | rs2[4:0] | rs1[4:0] | b010 | rd[4:0] | b0101111;
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args_disass: "x%rd$d, x%rs1$d, x%rs2$d (aqu=%aq$d,rel=%rl$d)";
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val offs[XLEN]<=X[rs1];
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val res1[XLEN] <= sext(MEM[offs]{32});
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if(rd!=0) X[rd]<=res1;
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val res2[XLEN]<=res1 ^ X[rs2];
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MEM[offs]{32}<=res2;
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}
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AMOAND.W{
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encoding: b01100 | aq[0:0] | rl[0:0] | rs2[4:0] | rs1[4:0] | b010 | rd[4:0] | b0101111;
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args_disass: "x%rd$d, x%rs1$d, x%rs2$d (aqu=%aq$d,rel=%rl$d)";
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val offs[XLEN]<=X[rs1];
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val res1[XLEN] <= sext(MEM[offs]{32});
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if(rd!=0) X[rd]<=res1;
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val res2[XLEN] <=res1 & X[rs2];
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MEM[offs]{32}<=res2;
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}
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AMOOR.W {
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encoding: b01000 | aq[0:0] | rl[0:0] | rs2[4:0] | rs1[4:0] | b010 | rd[4:0] | b0101111;
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args_disass: "x%rd$d, x%rs1$d, x%rs2$d (aqu=%aq$d,rel=%rl$d)";
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val offs[XLEN]<=X[rs1];
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val res1[XLEN] <= sext(MEM[offs]{32});
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if(rd!=0) X[rd]<=res1;
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val res2[XLEN]<=res1 | X[rs2];
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MEM[offs]{32}<=res2;
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}
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AMOMIN.W{
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encoding: b10000 | aq[0:0] | rl[0:0] | rs2[4:0] | rs1[4:0] | b010 | rd[4:0] | b0101111;
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args_disass: "x%rd$d, x%rs1$d, x%rs2$d (aqu=%aq$d,rel=%rl$d)";
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val offs[XLEN]<=X[rs1];
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val res1[XLEN] <= sext(MEM[offs]{32});
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if(rd!=0) X[rd]<=res1;
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val res2[XLEN]<= choose(res1's>X[rs2]s, X[rs2], res1);
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MEM[offs]{32}<=res2;
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}
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AMOMAX.W{
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encoding: b10100 | aq[0:0] | rl[0:0] | rs2[4:0] | rs1[4:0] | b010 | rd[4:0] | b0101111;
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args_disass: "x%rd$d, x%rs1$d, x%rs2$d (aqu=%aq$d,rel=%rl$d)";
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val offs[XLEN]<=X[rs1];
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val res1[XLEN] <= sext(MEM[offs]{32});
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if(rd!=0) X[rd]<=res1;
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val res2[XLEN]<= choose(res1's<X[rs2]s, X[rs2], res1);
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MEM[offs]{32}<=res2;
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}
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AMOMINU.W{
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encoding: b11000 | aq[0:0] | rl[0:0] | rs2[4:0] | rs1[4:0] | b010 | rd[4:0] | b0101111;
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args_disass: "x%rd$d, x%rs1$d, x%rs2$d (aqu=%aq$d,rel=%rl$d)";
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val offs[XLEN]<=X[rs1];
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val res1[XLEN] <= zext(MEM[offs]{32});
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if(rd!=0) X[rd]<=res1;
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val res2[XLEN]<= choose(res1>X[rs2], X[rs2], res1);
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MEM[offs]{32}<=res2;
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}
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AMOMAXU.W{
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encoding: b11100 | aq[0:0] | rl[0:0] | rs2[4:0] | rs1[4:0] | b010 | rd[4:0] | b0101111;
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args_disass: "x%rd$d, x%rs1$d, x%rs2$d (aqu=%aq$d,rel=%rl$d)";
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val offs[XLEN]<=X[rs1];
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val res1[XLEN] <= zext(MEM[offs]{32});
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if(rd!=0) X[rd]<=res1;
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val res2[XLEN]<= choose(res1'u<X[rs2]'u, X[rs2], res1);
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MEM[offs]{32}<=res2;
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}
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}
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address_spaces {
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RES[8]
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}
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instructions{
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LR.W {
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encoding: b00010 | aq[0:0] | rl[0:0] | b00000 | rs1[4:0] | b010 | rd[4:0] | b0101111;
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args_disass: "x%rd$d, x%rs1$d";
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if(rd!=0){
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val offs[XLEN] <= X[rs1];
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X[rd]<= sext(MEM[offs]{32}, XLEN);
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RES[offs]{32}<=sext(-1, 32);
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}
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}
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SC.W {
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encoding: b00011 | aq[0:0] | rl[0:0] | rs2[4:0] | rs1[4:0] | b010 | rd[4:0] | b0101111;
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args_disass: "x%rd$d, x%rs1$d, x%rs2$d";
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val offs[XLEN] <= X[rs1];
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val res1[32] <= RES[offs]{32};
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if(res1!=0)
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MEM[offs]{32} <= X[rs2];
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if(rd!=0) X[rd]<= choose(res1!=0, 0, 1);
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}
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AMOSWAP.W{
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encoding: b00001 | aq[0:0] | rl[0:0] | rs2[4:0] | rs1[4:0] | b010 | rd[4:0] | b0101111;
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args_disass: "x%rd$d, x%rs1$d, x%rs2$d (aqu=%aq$d,rel=%rl$d)";
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val offs[XLEN]<=X[rs1];
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if(rd!=0) X[rd]<=sext(MEM[offs]{32});
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MEM[offs]{32}<=X[rs2];
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}
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AMOADD.W{
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encoding: b00000 | aq[0:0] | rl[0:0] | rs2[4:0] | rs1[4:0] | b010 | rd[4:0] | b0101111;
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args_disass: "x%rd$d, x%rs1$d, x%rs2$d (aqu=%aq$d,rel=%rl$d)";
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val offs[XLEN]<=X[rs1];
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val res1[XLEN] <= sext(MEM[offs]{32});
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if(rd!=0) X[rd]<=res1;
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val res2[XLEN]<=res1 + X[rs2];
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MEM[offs]{32}<=res2;
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}
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AMOXOR.W{
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encoding: b00100 | aq[0:0] | rl[0:0] | rs2[4:0] | rs1[4:0] | b010 | rd[4:0] | b0101111;
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args_disass: "x%rd$d, x%rs1$d, x%rs2$d (aqu=%aq$d,rel=%rl$d)";
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val offs[XLEN]<=X[rs1];
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val res1[XLEN] <= sext(MEM[offs]{32});
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if(rd!=0) X[rd]<=res1;
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val res2[XLEN]<=res1 ^ X[rs2];
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MEM[offs]{32}<=res2;
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}
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AMOAND.W{
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encoding: b01100 | aq[0:0] | rl[0:0] | rs2[4:0] | rs1[4:0] | b010 | rd[4:0] | b0101111;
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args_disass: "x%rd$d, x%rs1$d, x%rs2$d (aqu=%aq$d,rel=%rl$d)";
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val offs[XLEN]<=X[rs1];
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val res1[XLEN] <= sext(MEM[offs]{32});
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if(rd!=0) X[rd]<=res1;
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val res2[XLEN] <=res1 & X[rs2];
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MEM[offs]{32}<=res2;
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}
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AMOOR.W {
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encoding: b01000 | aq[0:0] | rl[0:0] | rs2[4:0] | rs1[4:0] | b010 | rd[4:0] | b0101111;
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args_disass: "x%rd$d, x%rs1$d, x%rs2$d (aqu=%aq$d,rel=%rl$d)";
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val offs[XLEN]<=X[rs1];
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val res1[XLEN] <= sext(MEM[offs]{32});
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if(rd!=0) X[rd]<=res1;
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val res2[XLEN]<=res1 | X[rs2];
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MEM[offs]{32}<=res2;
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}
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AMOMIN.W{
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encoding: b10000 | aq[0:0] | rl[0:0] | rs2[4:0] | rs1[4:0] | b010 | rd[4:0] | b0101111;
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args_disass: "x%rd$d, x%rs1$d, x%rs2$d (aqu=%aq$d,rel=%rl$d)";
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val offs[XLEN]<=X[rs1];
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val res1[XLEN] <= sext(MEM[offs]{32});
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if(rd!=0) X[rd]<=res1;
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val res2[XLEN]<= choose(res1's>X[rs2]s, X[rs2], res1);
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MEM[offs]{32}<=res2;
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}
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AMOMAX.W{
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encoding: b10100 | aq[0:0] | rl[0:0] | rs2[4:0] | rs1[4:0] | b010 | rd[4:0] | b0101111;
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args_disass: "x%rd$d, x%rs1$d, x%rs2$d (aqu=%aq$d,rel=%rl$d)";
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val offs[XLEN]<=X[rs1];
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val res1[XLEN] <= sext(MEM[offs]{32});
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if(rd!=0) X[rd]<=res1;
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val res2[XLEN]<= choose(res1's<X[rs2]s, X[rs2], res1);
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MEM[offs]{32}<=res2;
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}
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AMOMINU.W{
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encoding: b11000 | aq[0:0] | rl[0:0] | rs2[4:0] | rs1[4:0] | b010 | rd[4:0] | b0101111;
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args_disass: "x%rd$d, x%rs1$d, x%rs2$d (aqu=%aq$d,rel=%rl$d)";
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val offs[XLEN]<=X[rs1];
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val res1[XLEN] <= zext(MEM[offs]{32});
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if(rd!=0) X[rd]<=res1;
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val res2[XLEN]<= choose(res1>X[rs2], X[rs2], res1);
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MEM[offs]{32}<=res2;
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}
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AMOMAXU.W{
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||||
encoding: b11100 | aq[0:0] | rl[0:0] | rs2[4:0] | rs1[4:0] | b010 | rd[4:0] | b0101111;
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args_disass: "x%rd$d, x%rs1$d, x%rs2$d (aqu=%aq$d,rel=%rl$d)";
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val offs[XLEN]<=X[rs1];
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val res1[XLEN] <= zext(MEM[offs]{32});
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if(rd!=0) X[rd]<=res1;
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val res2[XLEN]<= choose(res1'u<X[rs2]'u, X[rs2], res1);
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MEM[offs]{32}<=res2;
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}
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}
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}
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@ -1,17 +1,17 @@
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import "RV32IBase.core_desc"
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InsructionSet RV32IC {
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constants {
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XLEN
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}
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address_spaces {
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MEM[8]
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}
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registers {
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[31:0] X[XLEN],
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PC[XLEN](is_pc)
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}
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instructions{
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constants {
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XLEN
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}
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address_spaces {
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MEM[8]
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}
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registers {
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[31:0] X[XLEN],
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PC[XLEN](is_pc)
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}
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instructions{
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JALR(no_cont){ // overwriting the implementation if rv32i, alignment does not need to be word
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encoding: imm[11:0]s | rs1[4:0] | b000 | rd[4:0] | b1100111;
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args_disass: "x%rd$d, x%rs1$d, 0x%imm$x";
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@ -19,366 +19,337 @@ InsructionSet RV32IC {
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val ret[XLEN] <= X[rs1]+ imm;
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PC<=ret& ~0x1;
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}
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C.ADDI4SPN { //(RES, imm=0)
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encoding: b000 | imm[5:4] | imm[9:6] | imm[2:2] | imm[3:3] | rd[2:0] | b00;
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args_disass: "x%rd$d, 0x%imm$05x";
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if(imm == 0) raise(0, 2);
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val rd_idx[5] <= rd+8;
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val x2_idx[5] <= 2;
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X[rd_idx] <= X[x2_idx] + imm;
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}
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C.LW { // (RV32)
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encoding: b010 | uimm[5:3] | rs1[2:0] | uimm[2:2] | uimm[6:6] | rd[2:0] | b00;
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args_disass: "x(8+%rd$d), x(8+%rs1$d), 0x%uimm$05x";
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val rs1_idx[5] <= rs1+8;
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val rd_idx[5] <= rd+8;
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val offs[XLEN] <= X[rs1_idx]+uimm;
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X[rd_idx] <= MEM[offs]{32};
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}
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C.SW {//(RV32)
|
||||
encoding: b110 | uimm[5:3] | rs1[2:0] | uimm[2:2] | uimm[6:6] | rs2[2:0] | b00;
|
||||
args_disass: "x(8+%rs1$d), x(8+%rs2$d), 0x%uimm$05x";
|
||||
val rs1_idx[5] <= rs1+8;
|
||||
val rs2_idx[5] <= rs2+8;
|
||||
val offs[XLEN] <= X[rs1_idx]+uimm;
|
||||
MEM[offs]{32} <= X[rs2_idx];
|
||||
}
|
||||
C.ADDI {//(RV32)
|
||||
encoding:b000 | imm[5:5]s | rs1[4:0] | imm[4:0]s | b01;
|
||||
args_disass: "x%rs1$d, 0x%imm$05x";
|
||||
X[rs1] <= X[rs1] + imm;
|
||||
}
|
||||
C.NOP {
|
||||
encoding:b000 | b0 | b00000 | b00000 | b01;
|
||||
}
|
||||
C.ADDI4SPN { //(RES, imm=0)
|
||||
encoding: b000 | imm[5:4] | imm[9:6] | imm[2:2] | imm[3:3] | rd[2:0] | b00;
|
||||
args_disass: "x%rd$d, 0x%imm$05x";
|
||||
if(imm == 0) raise(0, 2);
|
||||
X[rd+8] <= X[2] + imm;
|
||||
}
|
||||
C.LW { // (RV32)
|
||||
encoding: b010 | uimm[5:3] | rs1[2:0] | uimm[2:2] | uimm[6:6] | rd[2:0] | b00;
|
||||
args_disass: "x(8+%rd$d), x(8+%rs1$d), 0x%uimm$05x";
|
||||
val offs[XLEN] <= X[rs1+8]+uimm;
|
||||
X[rd+8] <= MEM[offs]{32};
|
||||
}
|
||||
C.SW {//(RV32)
|
||||
encoding: b110 | uimm[5:3] | rs1[2:0] | uimm[2:2] | uimm[6:6] | rs2[2:0] | b00;
|
||||
args_disass: "x(8+%rs1$d), x(8+%rs2$d), 0x%uimm$05x";
|
||||
val offs[XLEN] <= X[rs1+8]+uimm;
|
||||
MEM[offs]{32} <= X[rs2+8];
|
||||
}
|
||||
C.ADDI {//(RV32)
|
||||
encoding:b000 | imm[5:5]s | rs1[4:0] | imm[4:0]s | b01;
|
||||
args_disass: "x%rs1$d, 0x%imm$05x";
|
||||
X[rs1] <= X[rs1] + imm;
|
||||
}
|
||||
C.NOP {
|
||||
encoding:b000 | b0 | b00000 | b00000 | b01;
|
||||
}
|
||||
// C.JAL will be overwritten by C.ADDIW for RV64/128
|
||||
C.JAL(no_cont) {//(RV32)
|
||||
encoding: b001 | imm[11:11]s | imm[4:4]s | imm[9:8]s | imm[10:10]s | imm[6:6]s | imm[7:7]s | imm[3:1]s | imm[5:5]s | b01;
|
||||
args_disass: "0x%imm$05x";
|
||||
val rd[5] <= 1;
|
||||
X[rd] <= PC+2;
|
||||
PC<=PC+imm;
|
||||
}
|
||||
C.LI {//(RV32)
|
||||
encoding:b010 | imm[5:5]s | rd[4:0] | imm[4:0]s | b01;
|
||||
args_disass: "x%rd$d, 0x%imm$05x";
|
||||
if(rd == 0) raise(0, 2); //TODO: should it be handled as trap?
|
||||
X[rd] <= imm;
|
||||
}
|
||||
// order matters here as C.ADDI16SP overwrites C.LUI vor rd==2
|
||||
C.LUI {//(RV32)
|
||||
encoding:b011 | imm[17:17]s | rd[4:0] | imm[16:12]s | b01;
|
||||
args_disass: "x%rd$d, 0x%imm$05x";
|
||||
if(rd == 0) raise(0, 2); //TODO: should it be handled as trap?
|
||||
if(imm == 0) raise(0, 2); //TODO: should it be handled as trap?
|
||||
X[rd] <= imm;
|
||||
}
|
||||
C.ADDI16SP {//(RV32)
|
||||
encoding:b011 | imm[9:9]s | b00010 | imm[4:4]s | imm[6:6]s | imm[8:7]s | imm[5:5]s | b01;
|
||||
args_disass: "0x%imm$05x";
|
||||
val x2_idx[5] <= 2;
|
||||
X[x2_idx] <= X[x2_idx]s + imm;
|
||||
}
|
||||
C.SRLI {//(RV32 nse)
|
||||
encoding:b100 | b0 | b00 | rs1[2:0] | shamt[4:0] | b01;
|
||||
args_disass: "x(8+%rs1$d), %shamt$d";
|
||||
val rs1_idx[5] <= rs1+8;
|
||||
X[rs1_idx] <= shrl(X[rs1_idx], shamt);
|
||||
}
|
||||
C.SRAI {//(RV32)
|
||||
encoding:b100 | b0 | b01 | rs1[2:0] | shamt[4:0] | b01;
|
||||
args_disass: "x(8+%rs1$d), %shamt$d";
|
||||
val rs1_idx[5] <= rs1+8;
|
||||
X[rs1_idx] <= shra(X[rs1_idx], shamt);
|
||||
}
|
||||
C.ANDI {//(RV32)
|
||||
encoding:b100 | imm[5:5]s | b10 | rs1[2:0] | imm[4:0]s | b01;
|
||||
args_disass: "x(8+%rs1$d), 0x%imm$05x";
|
||||
val rs1_idx[5] <= rs1 + 8;
|
||||
X[rs1_idx] <= X[rs1_idx] & imm;
|
||||
}
|
||||
C.SUB {//(RV32)
|
||||
encoding:b100 | b0 | b11 | rd[2:0] | b00 | rs2[2:0] | b01;
|
||||
args_disass: "x(8+%rd$d), x(8+%rs2$d)";
|
||||
val rd_idx[5] <= rd + 8;
|
||||
val rs2_idx[5] <= rs2 + 8;
|
||||
X[rd_idx] <= X[rd_idx] - X[rs2_idx];
|
||||
}
|
||||
C.XOR {//(RV32)
|
||||
encoding:b100 | b0 | b11 | rd[2:0] | b01 | rs2[2:0] | b01;
|
||||
args_disass: "x(8+%rd$d), x(8+%rs2$d)";
|
||||
val rd_idx[5] <= rd + 8;
|
||||
val rs2_idx[5] <= rs2 + 8;
|
||||
X[rd_idx] <= X[rd_idx] ^ X[rs2_idx];
|
||||
}
|
||||
C.OR {//(RV32)
|
||||
encoding:b100 | b0 | b11 | rd[2:0] | b10 | rs2[2:0] | b01;
|
||||
args_disass: "x(8+%rd$d), x(8+%rs2$d)";
|
||||
val rd_idx[5] <= rd + 8;
|
||||
val rs2_idx[5] <= rs2 + 8;
|
||||
X[rd_idx] <= X[rd_idx] | X[rs2_idx];
|
||||
}
|
||||
C.AND {//(RV32)
|
||||
encoding:b100 | b0 | b11 | rd[2:0] | b11 | rs2[2:0] | b01;
|
||||
args_disass: "x(8+%rd$d), x(8+%rs2$d)";
|
||||
val rd_idx[5] <= rd + 8;
|
||||
val rs2_idx[5] <= rs2 + 8;
|
||||
X[rd_idx] <= X[rd_idx] & X[rs2_idx];
|
||||
}
|
||||
C.J(no_cont) {//(RV32)
|
||||
encoding:b101 | imm[11:11]s | imm[4:4]s | imm[9:8]s | imm[10:10]s | imm[6:6]s | imm[7:7]s | imm[3:1]s | imm[5:5]s | b01;
|
||||
args_disass: "0x%imm$05x";
|
||||
PC<=PC+imm;
|
||||
}
|
||||
C.BEQZ(no_cont,cond) {//(RV32)
|
||||
encoding:b110 | imm[8:8]s | imm[4:3]s | rs1[2:0] | imm[7:6]s |imm[2:1]s | imm[5:5]s | b01;
|
||||
args_disass: "x(8+%rs1$d), 0x%imm$05x";
|
||||
val rs1_idx[5] <= rs1+8;
|
||||
PC<=choose(X[rs1_idx]==0, PC+imm, PC+2);
|
||||
}
|
||||
C.BNEZ(no_cont,cond) {//(RV32)
|
||||
encoding:b111 | imm[8:8]s | imm[4:3]s | rs1[2:0] | imm[7:6]s | imm[2:1]s | imm[5:5]s | b01;
|
||||
args_disass: "x(8+%rs1$d), 0x%imm$05x";
|
||||
C.JAL(no_cont) {//(RV32)
|
||||
encoding: b001 | imm[11:11]s | imm[4:4]s | imm[9:8]s | imm[10:10]s | imm[6:6]s | imm[7:7]s | imm[3:1]s | imm[5:5]s | b01;
|
||||
args_disass: "0x%imm$05x";
|
||||
X[1] <= PC+2;
|
||||
PC<=PC+imm;
|
||||
}
|
||||
C.LI {//(RV32)
|
||||
encoding:b010 | imm[5:5]s | rd[4:0] | imm[4:0]s | b01;
|
||||
args_disass: "x%rd$d, 0x%imm$05x";
|
||||
if(rd == 0) raise(0, 2); //TODO: should it be handled as trap?
|
||||
X[rd] <= imm;
|
||||
}
|
||||
// order matters here as C.ADDI16SP overwrites C.LUI vor rd==2
|
||||
C.LUI {//(RV32)
|
||||
encoding:b011 | imm[17:17]s | rd[4:0] | imm[16:12]s | b01;
|
||||
args_disass: "x%rd$d, 0x%imm$05x";
|
||||
if(rd == 0) raise(0, 2); //TODO: should it be handled as trap?
|
||||
if(imm == 0) raise(0, 2); //TODO: should it be handled as trap?
|
||||
X[rd] <= imm;
|
||||
}
|
||||
C.ADDI16SP {//(RV32)
|
||||
encoding:b011 | imm[9:9]s | b00010 | imm[4:4]s | imm[6:6]s | imm[8:7]s | imm[5:5]s | b01;
|
||||
args_disass: "0x%imm$05x";
|
||||
X[2] <= X[2]s + imm;
|
||||
}
|
||||
C.SRLI {//(RV32 nse)
|
||||
encoding:b100 | b0 | b00 | rs1[2:0] | shamt[4:0] | b01;
|
||||
args_disass: "x(8+%rs1$d), %shamt$d";
|
||||
val rs1_idx[5] <= rs1+8;
|
||||
PC<=choose(X[rs1_idx]!=0, PC+imm, PC+2);
|
||||
}
|
||||
C.SLLI {//(RV32)
|
||||
encoding:b000 | b0 | rs1[4:0] | shamt[4:0] | b10;
|
||||
args_disass: "x%rs1$d, %shamt$d";
|
||||
if(rs1 == 0) raise(0, 2);
|
||||
X[rs1] <= shll(X[rs1], shamt);
|
||||
}
|
||||
C.LWSP {//
|
||||
encoding:b010 | uimm[5:5] | rd[4:0] | uimm[4:2] | uimm[7:6] | b10;
|
||||
args_disass: "x%rd$d, sp, 0x%uimm$05x";
|
||||
val x2_idx[5] <= 2;
|
||||
val offs[XLEN] <= X[x2_idx] + uimm;
|
||||
X[rd] <= MEM[offs]{32};
|
||||
}
|
||||
// order matters as C.JR is a special case of C.MV
|
||||
X[rs1_idx] <= shrl(X[rs1_idx], shamt);
|
||||
}
|
||||
C.SRAI {//(RV32)
|
||||
encoding:b100 | b0 | b01 | rs1[2:0] | shamt[4:0] | b01;
|
||||
args_disass: "x(8+%rs1$d), %shamt$d";
|
||||
val rs1_idx[5] <= rs1+8;
|
||||
X[rs1_idx] <= shra(X[rs1_idx], shamt);
|
||||
}
|
||||
C.ANDI {//(RV32)
|
||||
encoding:b100 | imm[5:5]s | b10 | rs1[2:0] | imm[4:0]s | b01;
|
||||
args_disass: "x(8+%rs1$d), 0x%imm$05x";
|
||||
val rs1_idx[5] <= rs1 + 8;
|
||||
X[rs1_idx] <= X[rs1_idx] & imm;
|
||||
}
|
||||
C.SUB {//(RV32)
|
||||
encoding:b100 | b0 | b11 | rd[2:0] | b00 | rs2[2:0] | b01;
|
||||
args_disass: "x(8+%rd$d), x(8+%rs2$d)";
|
||||
val rd_idx[5] <= rd + 8;
|
||||
X[rd_idx] <= X[rd_idx] - X[rs2 + 8];
|
||||
}
|
||||
C.XOR {//(RV32)
|
||||
encoding:b100 | b0 | b11 | rd[2:0] | b01 | rs2[2:0] | b01;
|
||||
args_disass: "x(8+%rd$d), x(8+%rs2$d)";
|
||||
val rd_idx[5] <= rd + 8;
|
||||
X[rd_idx] <= X[rd_idx] ^ X[rs2 + 8];
|
||||
}
|
||||
C.OR {//(RV32)
|
||||
encoding:b100 | b0 | b11 | rd[2:0] | b10 | rs2[2:0] | b01;
|
||||
args_disass: "x(8+%rd$d), x(8+%rs2$d)";
|
||||
val rd_idx[5] <= rd + 8;
|
||||
X[rd_idx] <= X[rd_idx] | X[rs2 + 8];
|
||||
}
|
||||
C.AND {//(RV32)
|
||||
encoding:b100 | b0 | b11 | rd[2:0] | b11 | rs2[2:0] | b01;
|
||||
args_disass: "x(8+%rd$d), x(8+%rs2$d)";
|
||||
val rd_idx[5] <= rd + 8;
|
||||
X[rd_idx] <= X[rd_idx] & X[rs2 + 8];
|
||||
}
|
||||
C.J(no_cont) {//(RV32)
|
||||
encoding:b101 | imm[11:11]s | imm[4:4]s | imm[9:8]s | imm[10:10]s | imm[6:6]s | imm[7:7]s | imm[3:1]s | imm[5:5]s | b01;
|
||||
args_disass: "0x%imm$05x";
|
||||
PC<=PC+imm;
|
||||
}
|
||||
C.BEQZ(no_cont,cond) {//(RV32)
|
||||
encoding:b110 | imm[8:8]s | imm[4:3]s | rs1[2:0] | imm[7:6]s |imm[2:1]s | imm[5:5]s | b01;
|
||||
args_disass: "x(8+%rs1$d), 0x%imm$05x";
|
||||
PC<=choose(X[rs1+8]==0, PC+imm, PC+2);
|
||||
}
|
||||
C.BNEZ(no_cont,cond) {//(RV32)
|
||||
encoding:b111 | imm[8:8]s | imm[4:3]s | rs1[2:0] | imm[7:6]s | imm[2:1]s | imm[5:5]s | b01;
|
||||
args_disass: "x(8+%rs1$d), 0x%imm$05x";
|
||||
PC<=choose(X[rs1+8]!=0, PC+imm, PC+2);
|
||||
}
|
||||
C.SLLI {//(RV32)
|
||||
encoding:b000 | b0 | rs1[4:0] | shamt[4:0] | b10;
|
||||
args_disass: "x%rs1$d, %shamt$d";
|
||||
if(rs1 == 0) raise(0, 2);
|
||||
X[rs1] <= shll(X[rs1], shamt);
|
||||
}
|
||||
C.LWSP {//
|
||||
encoding:b010 | uimm[5:5] | rd[4:0] | uimm[4:2] | uimm[7:6] | b10;
|
||||
args_disass: "x%rd$d, sp, 0x%uimm$05x";
|
||||
val offs[XLEN] <= X[2] + uimm;
|
||||
X[rd] <= MEM[offs]{32};
|
||||
}
|
||||
// order matters as C.JR is a special case of C.MV
|
||||
C.MV {//(RV32)
|
||||
encoding:b100 | b0 | rd[4:0] | rs2[4:0] | b10;
|
||||
args_disass: "x%rd$d, x%rs2$d";
|
||||
X[rd] <= X[rs2];
|
||||
}
|
||||
C.JR(no_cont) {//(RV32)
|
||||
encoding:b100 | b0 | rs1[4:0] | b00000 | b10;
|
||||
args_disass: "x%rs1$d";
|
||||
PC <= X[rs1];
|
||||
}
|
||||
C.JR(no_cont) {//(RV32)
|
||||
encoding:b100 | b0 | rs1[4:0] | b00000 | b10;
|
||||
args_disass: "x%rs1$d";
|
||||
PC <= X[rs1];
|
||||
}
|
||||
// order matters as C.EBREAK is a special case of C.JALR which is a special case of C.ADD
|
||||
C.ADD {//(RV32)
|
||||
encoding:b100 | b1 | rd[4:0] | rs2[4:0] | b10;
|
||||
args_disass: "x%rd$d, x%rs2$d";
|
||||
X[rd] <= X[rd] + X[rs2];
|
||||
X[rd] <= X[rd] + X[rs2];
|
||||
}
|
||||
C.JALR(no_cont) {//(RV32)
|
||||
encoding:b100 | b1 | rs1[4:0] | b00000 | b10;
|
||||
args_disass: "x%rs1$d";
|
||||
val r_idx[5] <= 1;
|
||||
X[r_idx] <= PC+2;
|
||||
PC<=X[rs1];
|
||||
}
|
||||
C.EBREAK(no_cont) {//(RV32)
|
||||
encoding:b100 | b1 | b00000 | b00000 | b10;
|
||||
raise(0, 3);
|
||||
}
|
||||
C.SWSP {//
|
||||
encoding:b110 | uimm[5:2] | uimm[7:6] | rs2[4:0] | b10;
|
||||
C.JALR(no_cont) {//(RV32)
|
||||
encoding:b100 | b1 | rs1[4:0] | b00000 | b10;
|
||||
args_disass: "x%rs1$d";
|
||||
X[1] <= PC+2;
|
||||
PC<=X[rs1];
|
||||
}
|
||||
C.EBREAK(no_cont) {//(RV32)
|
||||
encoding:b100 | b1 | b00000 | b00000 | b10;
|
||||
raise(0, 3);
|
||||
}
|
||||
C.SWSP {//
|
||||
encoding:b110 | uimm[5:2] | uimm[7:6] | rs2[4:0] | b10;
|
||||
args_disass: "x2+0x%uimm$05x, x%rs2$d";
|
||||
val x2_idx[5] <= 2;
|
||||
val offs[XLEN] <= X[x2_idx] + uimm;
|
||||
val offs[XLEN] <= X[2] + uimm;
|
||||
MEM[offs]{32} <= X[rs2];
|
||||
}
|
||||
DII {
|
||||
encoding:b000 | b0 | b00000 | b00000 | b00;
|
||||
raise(0, 2);
|
||||
}
|
||||
}
|
||||
}
|
||||
DII {
|
||||
encoding:b000 | b0 | b00000 | b00000 | b00;
|
||||
raise(0, 2);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
InsructionSet RV32FC extends RV32IC{
|
||||
constants {
|
||||
XLEN, FLEN
|
||||
}
|
||||
address_spaces {
|
||||
MEM[8]
|
||||
}
|
||||
registers {
|
||||
[31:0] X[XLEN],
|
||||
[31:0] F[FLEN]
|
||||
}
|
||||
instructions{
|
||||
C.FLW {
|
||||
encoding: b011 | uimm[5:3] | rs1[2:0] | uimm[2:2] | uimm[6:6] | rd[2:0] | b00;
|
||||
args_disass:"f(8+%rd$d), %uimm%(x(8+%rs1$d))";
|
||||
val rs1_idx[5] <= rs1+8;
|
||||
val rd_idx[5] <= rd+8;
|
||||
val offs[XLEN] <= X[rs1_idx]+uimm;
|
||||
val res[32] <= MEM[offs]{32};
|
||||
if(FLEN==32)
|
||||
F[rd_idx] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<32) | zext(res, FLEN);
|
||||
}
|
||||
}
|
||||
C.FSW {
|
||||
encoding: b111 | uimm[5:3] | rs1[2:0] | uimm[2:2] | uimm[6:6] | rs2[2:0] | b00;
|
||||
args_disass:"f(8+%rs2$d), %uimm%(x(8+%rs1$d))";
|
||||
val rs1_idx[5] <= rs1+8;
|
||||
val rs2_idx[5] <= rs2+8;
|
||||
val offs[XLEN] <= X[rs1_idx]+uimm;
|
||||
MEM[offs]{32}<=F[rs2_idx]{32};
|
||||
}
|
||||
C.FLWSP {
|
||||
encoding:b011 | uimm[5:5] | rd[4:0] | uimm[4:2] | uimm[7:6] | b10;
|
||||
args_disass:"f%rd$d, %uimm%(x2)";
|
||||
val x2_idx[5] <= 2;
|
||||
val offs[XLEN] <= X[x2_idx]+uimm;
|
||||
val res[32] <= MEM[offs]{32};
|
||||
if(FLEN==32)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<32) | zext(res, FLEN);
|
||||
}
|
||||
}
|
||||
C.FSWSP {
|
||||
encoding:b111 | uimm[5:2] | uimm[7:6] | rs2[4:0] | b10;
|
||||
args_disass:"f%rs2$d, %uimm%(x2), ";
|
||||
val x2_idx[5] <= 2;
|
||||
val offs[XLEN] <= X[x2_idx]+uimm;
|
||||
MEM[offs]{32}<=F[rs2]{32};
|
||||
}
|
||||
}
|
||||
constants {
|
||||
XLEN, FLEN
|
||||
}
|
||||
address_spaces {
|
||||
MEM[8]
|
||||
}
|
||||
registers {
|
||||
[31:0] X[XLEN],
|
||||
[31:0] F[FLEN]
|
||||
}
|
||||
instructions{
|
||||
C.FLW {
|
||||
encoding: b011 | uimm[5:3] | rs1[2:0] | uimm[2:2] | uimm[6:6] | rd[2:0] | b00;
|
||||
args_disass:"f(8+%rd$d), %uimm%(x(8+%rs1$d))";
|
||||
val offs[XLEN] <= X[rs1+8]+uimm;
|
||||
val res[32] <= MEM[offs]{32};
|
||||
if(FLEN==32)
|
||||
F[rd+8] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd+8] <= (upper<<32) | zext(res, FLEN);
|
||||
}
|
||||
}
|
||||
C.FSW {
|
||||
encoding: b111 | uimm[5:3] | rs1[2:0] | uimm[2:2] | uimm[6:6] | rs2[2:0] | b00;
|
||||
args_disass:"f(8+%rs2$d), %uimm%(x(8+%rs1$d))";
|
||||
val offs[XLEN] <= X[rs1+8]+uimm;
|
||||
MEM[offs]{32}<=F[rs2+8]{32};
|
||||
}
|
||||
C.FLWSP {
|
||||
encoding:b011 | uimm[5:5] | rd[4:0] | uimm[4:2] | uimm[7:6] | b10;
|
||||
args_disass:"f%rd$d, %uimm%(x2)";
|
||||
val offs[XLEN] <= X[2]+uimm;
|
||||
val res[32] <= MEM[offs]{32};
|
||||
if(FLEN==32)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<32) | zext(res, FLEN);
|
||||
}
|
||||
}
|
||||
C.FSWSP {
|
||||
encoding:b111 | uimm[5:2] | uimm[7:6] | rs2[4:0] | b10;
|
||||
args_disass:"f%rs2$d, %uimm%(x2), ";
|
||||
val offs[XLEN] <= X[2]+uimm;
|
||||
MEM[offs]{32}<=F[rs2]{32};
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
InsructionSet RV32DC extends RV32IC{
|
||||
constants {
|
||||
XLEN, FLEN
|
||||
}
|
||||
address_spaces {
|
||||
MEM[8]
|
||||
}
|
||||
registers {
|
||||
[31:0] X[XLEN],
|
||||
[31:0] F[FLEN]
|
||||
}
|
||||
instructions{
|
||||
C.FLD { //(RV32/64)
|
||||
encoding: b001 | uimm[5:3] | rs1[2:0] | uimm[7:6] | rd[2:0] | b00;
|
||||
args_disass:"f(8+%rd$d), %uimm%(x(8+%rs1$d))";
|
||||
val rs1_idx[5] <= rs1+8;
|
||||
val rd_idx[5] <= rd+8;
|
||||
val offs[XLEN] <= X[rs1_idx]+uimm;
|
||||
val res[64] <= MEM[offs]{64};
|
||||
if(FLEN==64)
|
||||
F[rd_idx] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd_idx] <= (upper<<64) | res;
|
||||
}
|
||||
}
|
||||
C.FSD { //(RV32/64)
|
||||
encoding: b101 | uimm[5:3] | rs1[2:0] | uimm[7:6] | rs2[2:0] | b00;
|
||||
args_disass:"f(8+%rs2$d), %uimm%(x(8+%rs1$d))";
|
||||
val rs1_idx[5] <= rs1+8;
|
||||
val rs2_idx[5] <= rs2+8;
|
||||
val offs[XLEN] <= X[rs1_idx]+uimm;
|
||||
MEM[offs]{64}<=F[rs2_idx]{64};
|
||||
}
|
||||
C.FLDSP {//(RV32/64)
|
||||
encoding:b001 | uimm[5:5] | rd[4:0] | uimm[4:3] | uimm[8:6] | b10;
|
||||
args_disass:"f%rd$d, %uimm%(x2)";
|
||||
val x2_idx[5] <= 2;
|
||||
val offs[XLEN] <= X[x2_idx]+uimm;
|
||||
val res[64] <= MEM[offs]{64};
|
||||
if(FLEN==64)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<64) | zext(res, FLEN);
|
||||
}
|
||||
}
|
||||
C.FSDSP {//(RV32/64)
|
||||
encoding:b101 | uimm[5:3] | uimm[8:6] | rs2[4:0] | b10;
|
||||
args_disass:"f%rs2$d, %uimm%(x2), ";
|
||||
val x2_idx[5] <= 2;
|
||||
val offs[XLEN] <= X[x2_idx]+uimm;
|
||||
MEM[offs]{64}<=F[rs2]{64};
|
||||
}
|
||||
}
|
||||
constants {
|
||||
XLEN, FLEN
|
||||
}
|
||||
address_spaces {
|
||||
MEM[8]
|
||||
}
|
||||
registers {
|
||||
[31:0] X[XLEN],
|
||||
[31:0] F[FLEN]
|
||||
}
|
||||
instructions{
|
||||
C.FLD { //(RV32/64)
|
||||
encoding: b001 | uimm[5:3] | rs1[2:0] | uimm[7:6] | rd[2:0] | b00;
|
||||
args_disass:"f(8+%rd$d), %uimm%(x(8+%rs1$d))";
|
||||
val offs[XLEN] <= X[rs1+8]+uimm;
|
||||
val res[64] <= MEM[offs]{64};
|
||||
if(FLEN==64)
|
||||
F[rd+8] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd+8] <= (upper<<64) | res;
|
||||
}
|
||||
}
|
||||
C.FSD { //(RV32/64)
|
||||
encoding: b101 | uimm[5:3] | rs1[2:0] | uimm[7:6] | rs2[2:0] | b00;
|
||||
args_disass:"f(8+%rs2$d), %uimm%(x(8+%rs1$d))";
|
||||
val offs[XLEN] <= X[rs1+8]+uimm;
|
||||
MEM[offs]{64}<=F[rs2+8]{64};
|
||||
}
|
||||
C.FLDSP {//(RV32/64)
|
||||
encoding:b001 | uimm[5:5] | rd[4:0] | uimm[4:3] | uimm[8:6] | b10;
|
||||
args_disass:"f%rd$d, %uimm%(x2)";
|
||||
val offs[XLEN] <= X[2]+uimm;
|
||||
val res[64] <= MEM[offs]{64};
|
||||
if(FLEN==64)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<64) | zext(res, FLEN);
|
||||
}
|
||||
}
|
||||
C.FSDSP {//(RV32/64)
|
||||
encoding:b101 | uimm[5:3] | uimm[8:6] | rs2[4:0] | b10;
|
||||
args_disass:"f%rs2$d, %uimm%(x2), ";
|
||||
val offs[XLEN] <= X[2]+uimm;
|
||||
MEM[offs]{64}<=F[rs2]{64};
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
InsructionSet RV64IC extends RV32IC {
|
||||
constants {
|
||||
XLEN
|
||||
}
|
||||
address_spaces {
|
||||
MEM[8]
|
||||
}
|
||||
registers {
|
||||
[31:0] X[XLEN],
|
||||
PC[XLEN](is_pc)
|
||||
}
|
||||
instructions{
|
||||
C.LD {//(RV64/128)
|
||||
encoding:b011 | uimm[5:3] | rs1[2:0] | uimm[7:6] | rd[2:0] | b00;
|
||||
}
|
||||
C.SD { //(RV64/128)
|
||||
encoding:b111 | uimm[5:3] | rs1[2:0] | uimm[7:6] | rs2[2:0] | b00;
|
||||
}
|
||||
C.SUBW {//(RV64/128, RV32 res)
|
||||
encoding:b100 | b1 | b11 | rd[2:0] | b00 | rs2[2:0] | b01;
|
||||
args_disass: "x%rd$d, sp, 0x%imm$05x";
|
||||
}
|
||||
C.ADDW {//(RV64/128 RV32 res)
|
||||
encoding:b100 | b1 | b11 | rd[2:0] | b01 | rs2[2:0] | b01;
|
||||
args_disass: "x%rd$d, sp, 0x%imm$05x";
|
||||
}
|
||||
constants {
|
||||
XLEN
|
||||
}
|
||||
address_spaces {
|
||||
MEM[8]
|
||||
}
|
||||
registers {
|
||||
[31:0] X[XLEN],
|
||||
PC[XLEN](is_pc)
|
||||
}
|
||||
instructions{
|
||||
C.LD {//(RV64/128)
|
||||
encoding:b011 | uimm[5:3] | rs1[2:0] | uimm[7:6] | rd[2:0] | b00;
|
||||
}
|
||||
C.SD { //(RV64/128)
|
||||
encoding:b111 | uimm[5:3] | rs1[2:0] | uimm[7:6] | rs2[2:0] | b00;
|
||||
}
|
||||
C.SUBW {//(RV64/128, RV32 res)
|
||||
encoding:b100 | b1 | b11 | rd[2:0] | b00 | rs2[2:0] | b01;
|
||||
args_disass: "x%rd$d, sp, 0x%imm$05x";
|
||||
}
|
||||
C.ADDW {//(RV64/128 RV32 res)
|
||||
encoding:b100 | b1 | b11 | rd[2:0] | b01 | rs2[2:0] | b01;
|
||||
args_disass: "x%rd$d, sp, 0x%imm$05x";
|
||||
}
|
||||
C.ADDIW {//(RV64/128)
|
||||
encoding:b001 | imm[5:5] | rs1[4:0] | imm[4:0] | b01;
|
||||
}
|
||||
C.SRLI64 {//(RV32/64/128)
|
||||
encoding:b100 | b0 | b00 | rs1[2:0] | b00000 | b01;
|
||||
}
|
||||
C.SRAI64 {//(RV32/64/128)
|
||||
encoding:b100 | b0 | b01 | rs1[2:0] | b00000 | b01;
|
||||
}
|
||||
C.SLLI64 {//(RV128 RV32/64)
|
||||
encoding:b000 | b0 | rs1[4:0] | b00000 | b10;
|
||||
}
|
||||
C.LDSP {//(RV64/128
|
||||
encoding:b011 | uimm[5:5] | rd[4:0] | uimm[4:3] | uimm[8:6] | b10;
|
||||
args_disass: "x%rd$d, sp, 0x%imm$05x";
|
||||
}
|
||||
C.SDSP {//(RV64/128)
|
||||
encoding:b111 | uimm[5:3] | uimm[8:6] | rs2[4:0] | b10;
|
||||
}
|
||||
}
|
||||
C.SRLI64 {//(RV32/64/128)
|
||||
encoding:b100 | b0 | b00 | rs1[2:0] | b00000 | b01;
|
||||
}
|
||||
C.SRAI64 {//(RV32/64/128)
|
||||
encoding:b100 | b0 | b01 | rs1[2:0] | b00000 | b01;
|
||||
}
|
||||
C.SLLI64 {//(RV128 RV32/64)
|
||||
encoding:b000 | b0 | rs1[4:0] | b00000 | b10;
|
||||
}
|
||||
C.LDSP {//(RV64/128
|
||||
encoding:b011 | uimm[5:5] | rd[4:0] | uimm[4:3] | uimm[8:6] | b10;
|
||||
args_disass: "x%rd$d, sp, 0x%imm$05x";
|
||||
}
|
||||
C.SDSP {//(RV64/128)
|
||||
encoding:b111 | uimm[5:3] | uimm[8:6] | rs2[4:0] | b10;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
InsructionSet RV128IC extends RV64IC {
|
||||
constants {
|
||||
XLEN
|
||||
}
|
||||
address_spaces {
|
||||
MEM[8]
|
||||
}
|
||||
registers {
|
||||
[31:0] X[XLEN],
|
||||
PC[XLEN](is_pc)
|
||||
}
|
||||
instructions{
|
||||
C.LQ { //(RV128)
|
||||
encoding:b001 | uimm[5:4] | uimm[8:8] | rs1[2:0] | uimm[7:6] | rd[2:0] | b00;
|
||||
}
|
||||
C.SQ { //(RV128)
|
||||
encoding:b101 | uimm[5:4] | uimm[8:8] | rs1[2:0] | uimm[7:6] | rs2[2:0] | b00;
|
||||
}
|
||||
C.SQSP {//(RV128)
|
||||
encoding:b101 | uimm[5:4] | uimm[9:6] | rs2[4:0] | b10;
|
||||
}
|
||||
}
|
||||
constants {
|
||||
XLEN
|
||||
}
|
||||
address_spaces {
|
||||
MEM[8]
|
||||
}
|
||||
registers {
|
||||
[31:0] X[XLEN],
|
||||
PC[XLEN](is_pc)
|
||||
}
|
||||
instructions{
|
||||
C.LQ { //(RV128)
|
||||
encoding:b001 | uimm[5:4] | uimm[8:8] | rs1[2:0] | uimm[7:6] | rd[2:0] | b00;
|
||||
}
|
||||
C.SQ { //(RV128)
|
||||
encoding:b101 | uimm[5:4] | uimm[8:8] | rs1[2:0] | uimm[7:6] | rs2[2:0] | b00;
|
||||
}
|
||||
C.SQSP {//(RV128)
|
||||
encoding:b101 | uimm[5:4] | uimm[9:6] | rs2[4:0] | b10;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@ -1,298 +1,298 @@
|
||||
import "RV32IBase.core_desc"
|
||||
|
||||
InsructionSet RV32D extends RV32IBase{
|
||||
constants {
|
||||
FLEN, FFLAG_MASK := 0x1f
|
||||
}
|
||||
registers {
|
||||
[31:0] F[FLEN], FCSR[32]
|
||||
}
|
||||
instructions{
|
||||
FLD {
|
||||
encoding: imm[11:0]s | rs1[4:0] | b011 | rd[4:0] | b0000111;
|
||||
args_disass:"f%rd$d, %imm%(x%rs1$d)";
|
||||
val offs[XLEN] <= X[rs1]+imm;
|
||||
val res[64] <= MEM[offs]{64};
|
||||
if(FLEN==64)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<64) | res;
|
||||
}
|
||||
}
|
||||
FSD {
|
||||
encoding: imm[11:5]s | rs2[4:0] | rs1[4:0] | b011 | imm[4:0]s | b0100111;
|
||||
args_disass:"f%rs2$d, %imm%(x%rs1$d)";
|
||||
val offs[XLEN] <= X[rs1]+imm;
|
||||
MEM[offs]{64}<=F[rs2]{64};
|
||||
}
|
||||
FMADD.D {
|
||||
encoding: rs3[4:0] | b01 | rs2[4:0] | rs1[4:0] | rm[2:0] | rd[4:0] | b1000011;
|
||||
args_disass:"x%rd$d, f%rs1$d, f%rs2$d, f%rs3$d";
|
||||
//F[rd]f<= F[rs1]f * F[rs2]f + F[rs3]f;
|
||||
val res[64] <= fdispatch_fmadd_d(F[rs1]{64}, F[rs2]{64}, F[rs3]{64}, zext(0, 64), choose(rm<7, rm{8}, FCSR{8}));
|
||||
if(FLEN==64)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<64) | res;
|
||||
}
|
||||
val flags[32] <= fdispatch_fget_flags();
|
||||
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
|
||||
}
|
||||
FMSUB.D {
|
||||
encoding: rs3[4:0] | b01 | rs2[4:0] | rs1[4:0] | rm[2:0] | rd[4:0] | b1000111;
|
||||
args_disass:"x%rd$d, f%rs1$d, f%rs2$d, f%rs3$d";
|
||||
//F[rd]f<=F[rs1]f * F[rs2]f - F[rs3]f;
|
||||
val res[64] <= fdispatch_fmadd_d(F[rs1]{64}, F[rs2]{64}, F[rs3]{64}, zext(1, 32), choose(rm<7, rm{8}, FCSR{8}));
|
||||
if(FLEN==64)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<64) | res;
|
||||
}
|
||||
val flags[32] <= fdispatch_fget_flags();
|
||||
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
|
||||
}
|
||||
FNMADD.D {
|
||||
encoding: rs3[4:0] | b01 | rs2[4:0] | rs1[4:0] | rm[2:0] | rd[4:0] | b1001111;
|
||||
args_disass:"x%rd$d, f%rs1$d, f%rs2$d, f%rs3$d";
|
||||
//F[rd]f<=-F[rs1]f * F[rs2]f + F[rs3]f;
|
||||
val res[64] <= fdispatch_fmadd_d(F[rs1]{64}, F[rs2]{64}, F[rs3]{64}, zext(2, 32), choose(rm<7, rm{8}, FCSR{8}));
|
||||
if(FLEN==64)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<64) | res;
|
||||
}
|
||||
val flags[32] <= fdispatch_fget_flags();
|
||||
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
|
||||
}
|
||||
FNMSUB.D {
|
||||
encoding: rs3[4:0] | b01 | rs2[4:0] | rs1[4:0] | rm[2:0] | rd[4:0] | b1001011;
|
||||
args_disass:"x%rd$d, f%rs1$d, f%rs2$d, f%rs3$d";
|
||||
//F[rd]f<=-F[rs1]f * F[rs2]f - F[rs3]f;
|
||||
val res[64] <= fdispatch_fmadd_d(F[rs1]{64}, F[rs2]{64}, F[rs3]{64}, zext(3, 32), choose(rm<7, rm{8}, FCSR{8}));
|
||||
if(FLEN==64)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<64) | res;
|
||||
}
|
||||
val flags[32] <= fdispatch_fget_flags();
|
||||
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
|
||||
}
|
||||
FADD.D {
|
||||
encoding: b0000001 | rs2[4:0] | rs1[4:0] | rm[2:0] | rd[4:0] | b1010011;
|
||||
args_disass:"x%rd$d, f%rs1$d, f%rs2$d";
|
||||
// F[rd]f <= F[rs1]f + F[rs2]f;
|
||||
val res[64] <= fdispatch_fadd_d(F[rs1]{64}, F[rs2]{64}, choose(rm<7, rm{8}, FCSR{8}));
|
||||
if(FLEN==64)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<64) | res;
|
||||
}
|
||||
val flags[32] <= fdispatch_fget_flags();
|
||||
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
|
||||
}
|
||||
FSUB.D {
|
||||
encoding: b0000101 | rs2[4:0] | rs1[4:0] | rm[2:0] | rd[4:0] | b1010011;
|
||||
args_disass:"x%rd$d, f%rs1$d, f%rs2$d";
|
||||
// F[rd]f <= F[rs1]f - F[rs2]f;
|
||||
val res[64] <= fdispatch_fsub_d(F[rs1]{64}, F[rs2]{64}, choose(rm<7, rm{8}, FCSR{8}));
|
||||
if(FLEN==64)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<64) | res;
|
||||
}
|
||||
val flags[32] <= fdispatch_fget_flags();
|
||||
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
|
||||
}
|
||||
FMUL.D {
|
||||
encoding: b0001001 | rs2[4:0] | rs1[4:0] | rm[2:0] | rd[4:0] | b1010011;
|
||||
args_disass:"x%rd$d, f%rs1$d, f%rs2$d";
|
||||
// F[rd]f <= F[rs1]f * F[rs2]f;
|
||||
val res[64] <= fdispatch_fmul_d(F[rs1]{64}, F[rs2]{64}, choose(rm<7, rm{8}, FCSR{8}));
|
||||
if(FLEN==64)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<64) | res;
|
||||
}
|
||||
val flags[32] <= fdispatch_fget_flags();
|
||||
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
|
||||
}
|
||||
FDIV.D {
|
||||
encoding: b0001101 | rs2[4:0] | rs1[4:0] | rm[2:0] | rd[4:0] | b1010011;
|
||||
args_disass:"x%rd$d, f%rs1$d, f%rs2$d";
|
||||
// F[rd]f <= F[rs1]f / F[rs2]f;
|
||||
val res[64] <= fdispatch_fdiv_d(F[rs1]{64}, F[rs2]{64}, choose(rm<7, rm{8}, FCSR{8}));
|
||||
if(FLEN==64)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<64) | res;
|
||||
}
|
||||
val flags[32] <= fdispatch_fget_flags();
|
||||
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
|
||||
}
|
||||
FSQRT.D {
|
||||
encoding: b0101101 | b00000 | rs1[4:0] | rm[2:0] | rd[4:0] | b1010011;
|
||||
args_disass:"x%rd$d, f%rs1$d";
|
||||
//F[rd]f<=sqrt(F[rs1]f);
|
||||
val res[64] <= fdispatch_fsqrt_d(F[rs1]{64}, choose(rm<7, rm{8}, FCSR{8}));
|
||||
if(FLEN==64)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<64) | res;
|
||||
}
|
||||
val flags[32] <= fdispatch_fget_flags();
|
||||
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
|
||||
}
|
||||
FSGNJ.D {
|
||||
encoding: b0010001 | rs2[4:0] | rs1[4:0] | b000 | rd[4:0] | b1010011;
|
||||
args_disass:"f%rd$d, f%rs1$d, f%rs2$d";
|
||||
val res[64] <= (F[rs1]{64} & 0x7fffffff) | (F[rs2]{64} & 0x80000000);
|
||||
if(FLEN==64)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<64) | res;
|
||||
}
|
||||
}
|
||||
FSGNJN.D {
|
||||
encoding: b0010001 | rs2[4:0] | rs1[4:0] | b001 | rd[4:0] | b1010011;
|
||||
args_disass:"f%rd$d, f%rs1$d, f%rs2$d";
|
||||
val res[64] <= (F[rs1]{64} & 0x7fffffff) | (~F[rs2]{64} & 0x80000000);
|
||||
if(FLEN==64)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<64) | res;
|
||||
}
|
||||
}
|
||||
FSGNJX.D {
|
||||
encoding: b0010001 | rs2[4:0] | rs1[4:0] | b010 | rd[4:0] | b1010011;
|
||||
args_disass:"f%rd$d, f%rs1$d, f%rs2$d";
|
||||
val res[64] <= F[rs1]{64} ^ (F[rs2]{64} & 0x80000000);
|
||||
if(FLEN==64)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<64) | res;
|
||||
}
|
||||
}
|
||||
FMIN.D {
|
||||
encoding: b0010101 | rs2[4:0] | rs1[4:0] | b000 | rd[4:0] | b1010011;
|
||||
args_disass:"f%rd$d, f%rs1$d, f%rs2$d";
|
||||
//F[rd]f<= choose(F[rs1]f<F[rs2]f, F[rs1]f, F[rs2]f);
|
||||
val res[64] <= fdispatch_fsel_d(F[rs1]{64}, F[rs2]{64}, zext(0, 32));
|
||||
if(FLEN==64)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<64) | res;
|
||||
}
|
||||
val flags[32] <= fdispatch_fget_flags();
|
||||
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
|
||||
}
|
||||
FMAX.D {
|
||||
encoding: b0010101 | rs2[4:0] | rs1[4:0] | b001 | rd[4:0] | b1010011;
|
||||
args_disass:"f%rd$d, f%rs1$d, f%rs2$d";
|
||||
//F[rd]f<= choose(F[rs1]f>F[rs2]f, F[rs1]f, F[rs2]f);
|
||||
val res[64] <= fdispatch_fsel_d(F[rs1]{64}, F[rs2]{64}, zext(1, 32));
|
||||
if(FLEN==64)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<64) | res;
|
||||
}
|
||||
val flags[32] <= fdispatch_fget_flags();
|
||||
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
|
||||
}
|
||||
FCVT.S.D {
|
||||
encoding: b0100000 | b00001 | rs1[4:0] | rm[2:0] | rd[4:0] | b1010011;
|
||||
args_disass:"f%rd$d, f%rs1$d";
|
||||
val res[32] <= fdispatch_fconv_d2f(F[rs1], rm{8});
|
||||
// NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= upper<<32 | zext(res, FLEN);
|
||||
}
|
||||
FCVT.D.S {
|
||||
encoding: b0100001 | b00000 | rs1[4:0] | rm[2:0] | rd[4:0] | b1010011;
|
||||
args_disass:"f%rd$d, f%rs1$d";
|
||||
val res[64] <= fdispatch_fconv_f2d(F[rs1]{32}, rm{8});
|
||||
if(FLEN==64){
|
||||
F[rd] <= res;
|
||||
} else {
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<64) | res;
|
||||
}
|
||||
}
|
||||
FEQ.D {
|
||||
encoding: b1010001 | rs2[4:0] | rs1[4:0] | b010 | rd[4:0] | b1010011;
|
||||
args_disass:"x%rd$d, f%rs1$d, f%rs2$d";
|
||||
X[rd]<=fdispatch_fcmp_d(F[rs1]{64}, F[rs2]{64}, zext(0, 32));
|
||||
val flags[32] <= fdispatch_fget_flags();
|
||||
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
|
||||
}
|
||||
FLT.D {
|
||||
encoding: b1010001 | rs2[4:0] | rs1[4:0] | b001 | rd[4:0] | b1010011;
|
||||
args_disass:"x%rd$d, f%rs1$d, f%rs2$d";
|
||||
X[rd]<=fdispatch_fcmp_d(F[rs1]{64}, F[rs2]{64}, zext(2, 32));
|
||||
val flags[32] <= fdispatch_fget_flags();
|
||||
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
|
||||
}
|
||||
FLE.D {
|
||||
encoding: b1010001 | rs2[4:0] | rs1[4:0] | b000 | rd[4:0] | b1010011;
|
||||
args_disass:"x%rd$d, f%rs1$d, f%rs2$d";
|
||||
X[rd]<=fdispatch_fcmp_d(F[rs1]{64}, F[rs2]{64}, zext(1, 32));
|
||||
val flags[32] <= fdispatch_fget_flags();
|
||||
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
|
||||
}
|
||||
FCLASS.D {
|
||||
encoding: b1110001 | b00000 | rs1[4:0] | b001 | rd[4:0] | b1010011;
|
||||
args_disass:"x%rd$d, f%rs1$d";
|
||||
X[rd]<=fdispatch_fclass_d(F[rs1]{64});
|
||||
}
|
||||
FCVT.W.D {
|
||||
encoding: b1100001 | b00000 | rs1[4:0] | rm[2:0] | rd[4:0] | b1010011;
|
||||
args_disass:"x%rd$d, f%rs1$d";
|
||||
X[rd]<= sext(fdispatch_fcvt_d(F[rs1]{64}, zext(0, 32), rm{8}), XLEN);
|
||||
val flags[32] <= fdispatch_fget_flags();
|
||||
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
|
||||
}
|
||||
FCVT.WU.D {
|
||||
encoding: b1100001 | b00001 | rs1[4:0] | rm[2:0] | rd[4:0] | b1010011;
|
||||
args_disass:"x%rd$d, f%rs1$d";
|
||||
X[rd]<= zext(fdispatch_fcvt_d(F[rs1]{64}, zext(1, 32), rm{8}), XLEN);
|
||||
val flags[32] <= fdispatch_fget_flags();
|
||||
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
|
||||
}
|
||||
FCVT.D.W {
|
||||
encoding: b1101001 | b00000 | rs1[4:0] | rm[2:0] | rd[4:0] | b1010011;
|
||||
args_disass:"f%rd$d, x%rs1$d";
|
||||
val res[64] <= fdispatch_fcvt_d(sext(X[rs1],64), zext(2, 32), rm{8});
|
||||
if(FLEN==64)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<64) | res;
|
||||
}
|
||||
}
|
||||
FCVT.D.WU {
|
||||
encoding: b1101001 | b00001 | rs1[4:0] | rm[2:0] | rd[4:0] | b1010011;
|
||||
args_disass:"f%rd$d, x%rs1$d";
|
||||
val res[64] <=fdispatch_fcvt_d(zext(X[rs1],64), zext(3,32), rm{8});
|
||||
if(FLEN==64)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<64) | res;
|
||||
}
|
||||
}
|
||||
}
|
||||
constants {
|
||||
FLEN, FFLAG_MASK := 0x1f
|
||||
}
|
||||
registers {
|
||||
[31:0] F[FLEN], FCSR[32]
|
||||
}
|
||||
instructions{
|
||||
FLD {
|
||||
encoding: imm[11:0]s | rs1[4:0] | b011 | rd[4:0] | b0000111;
|
||||
args_disass:"f%rd$d, %imm%(x%rs1$d)";
|
||||
val offs[XLEN] <= X[rs1]+imm;
|
||||
val res[64] <= MEM[offs]{64};
|
||||
if(FLEN==64)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<64) | res;
|
||||
}
|
||||
}
|
||||
FSD {
|
||||
encoding: imm[11:5]s | rs2[4:0] | rs1[4:0] | b011 | imm[4:0]s | b0100111;
|
||||
args_disass:"f%rs2$d, %imm%(x%rs1$d)";
|
||||
val offs[XLEN] <= X[rs1]+imm;
|
||||
MEM[offs]{64}<=F[rs2]{64};
|
||||
}
|
||||
FMADD.D {
|
||||
encoding: rs3[4:0] | b01 | rs2[4:0] | rs1[4:0] | rm[2:0] | rd[4:0] | b1000011;
|
||||
args_disass:"x%rd$d, f%rs1$d, f%rs2$d, f%rs3$d";
|
||||
//F[rd]f<= F[rs1]f * F[rs2]f + F[rs3]f;
|
||||
val res[64] <= fdispatch_fmadd_d(F[rs1]{64}, F[rs2]{64}, F[rs3]{64}, zext(0, 64), choose(rm<7, rm{8}, FCSR{8}));
|
||||
if(FLEN==64)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<64) | res;
|
||||
}
|
||||
val flags[32] <= fdispatch_fget_flags();
|
||||
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
|
||||
}
|
||||
FMSUB.D {
|
||||
encoding: rs3[4:0] | b01 | rs2[4:0] | rs1[4:0] | rm[2:0] | rd[4:0] | b1000111;
|
||||
args_disass:"x%rd$d, f%rs1$d, f%rs2$d, f%rs3$d";
|
||||
//F[rd]f<=F[rs1]f * F[rs2]f - F[rs3]f;
|
||||
val res[64] <= fdispatch_fmadd_d(F[rs1]{64}, F[rs2]{64}, F[rs3]{64}, zext(1, 32), choose(rm<7, rm{8}, FCSR{8}));
|
||||
if(FLEN==64)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<64) | res;
|
||||
}
|
||||
val flags[32] <= fdispatch_fget_flags();
|
||||
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
|
||||
}
|
||||
FNMADD.D {
|
||||
encoding: rs3[4:0] | b01 | rs2[4:0] | rs1[4:0] | rm[2:0] | rd[4:0] | b1001111;
|
||||
args_disass:"x%rd$d, f%rs1$d, f%rs2$d, f%rs3$d";
|
||||
//F[rd]f<=-F[rs1]f * F[rs2]f + F[rs3]f;
|
||||
val res[64] <= fdispatch_fmadd_d(F[rs1]{64}, F[rs2]{64}, F[rs3]{64}, zext(2, 32), choose(rm<7, rm{8}, FCSR{8}));
|
||||
if(FLEN==64)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<64) | res;
|
||||
}
|
||||
val flags[32] <= fdispatch_fget_flags();
|
||||
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
|
||||
}
|
||||
FNMSUB.D {
|
||||
encoding: rs3[4:0] | b01 | rs2[4:0] | rs1[4:0] | rm[2:0] | rd[4:0] | b1001011;
|
||||
args_disass:"x%rd$d, f%rs1$d, f%rs2$d, f%rs3$d";
|
||||
//F[rd]f<=-F[rs1]f * F[rs2]f - F[rs3]f;
|
||||
val res[64] <= fdispatch_fmadd_d(F[rs1]{64}, F[rs2]{64}, F[rs3]{64}, zext(3, 32), choose(rm<7, rm{8}, FCSR{8}));
|
||||
if(FLEN==64)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<64) | res;
|
||||
}
|
||||
val flags[32] <= fdispatch_fget_flags();
|
||||
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
|
||||
}
|
||||
FADD.D {
|
||||
encoding: b0000001 | rs2[4:0] | rs1[4:0] | rm[2:0] | rd[4:0] | b1010011;
|
||||
args_disass:"x%rd$d, f%rs1$d, f%rs2$d";
|
||||
// F[rd]f <= F[rs1]f + F[rs2]f;
|
||||
val res[64] <= fdispatch_fadd_d(F[rs1]{64}, F[rs2]{64}, choose(rm<7, rm{8}, FCSR{8}));
|
||||
if(FLEN==64)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<64) | res;
|
||||
}
|
||||
val flags[32] <= fdispatch_fget_flags();
|
||||
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
|
||||
}
|
||||
FSUB.D {
|
||||
encoding: b0000101 | rs2[4:0] | rs1[4:0] | rm[2:0] | rd[4:0] | b1010011;
|
||||
args_disass:"x%rd$d, f%rs1$d, f%rs2$d";
|
||||
// F[rd]f <= F[rs1]f - F[rs2]f;
|
||||
val res[64] <= fdispatch_fsub_d(F[rs1]{64}, F[rs2]{64}, choose(rm<7, rm{8}, FCSR{8}));
|
||||
if(FLEN==64)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<64) | res;
|
||||
}
|
||||
val flags[32] <= fdispatch_fget_flags();
|
||||
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
|
||||
}
|
||||
FMUL.D {
|
||||
encoding: b0001001 | rs2[4:0] | rs1[4:0] | rm[2:0] | rd[4:0] | b1010011;
|
||||
args_disass:"x%rd$d, f%rs1$d, f%rs2$d";
|
||||
// F[rd]f <= F[rs1]f * F[rs2]f;
|
||||
val res[64] <= fdispatch_fmul_d(F[rs1]{64}, F[rs2]{64}, choose(rm<7, rm{8}, FCSR{8}));
|
||||
if(FLEN==64)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<64) | res;
|
||||
}
|
||||
val flags[32] <= fdispatch_fget_flags();
|
||||
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
|
||||
}
|
||||
FDIV.D {
|
||||
encoding: b0001101 | rs2[4:0] | rs1[4:0] | rm[2:0] | rd[4:0] | b1010011;
|
||||
args_disass:"x%rd$d, f%rs1$d, f%rs2$d";
|
||||
// F[rd]f <= F[rs1]f / F[rs2]f;
|
||||
val res[64] <= fdispatch_fdiv_d(F[rs1]{64}, F[rs2]{64}, choose(rm<7, rm{8}, FCSR{8}));
|
||||
if(FLEN==64)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<64) | res;
|
||||
}
|
||||
val flags[32] <= fdispatch_fget_flags();
|
||||
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
|
||||
}
|
||||
FSQRT.D {
|
||||
encoding: b0101101 | b00000 | rs1[4:0] | rm[2:0] | rd[4:0] | b1010011;
|
||||
args_disass:"x%rd$d, f%rs1$d";
|
||||
//F[rd]f<=sqrt(F[rs1]f);
|
||||
val res[64] <= fdispatch_fsqrt_d(F[rs1]{64}, choose(rm<7, rm{8}, FCSR{8}));
|
||||
if(FLEN==64)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<64) | res;
|
||||
}
|
||||
val flags[32] <= fdispatch_fget_flags();
|
||||
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
|
||||
}
|
||||
FSGNJ.D {
|
||||
encoding: b0010001 | rs2[4:0] | rs1[4:0] | b000 | rd[4:0] | b1010011;
|
||||
args_disass:"f%rd$d, f%rs1$d, f%rs2$d";
|
||||
val res[64] <= (F[rs1]{64} & 0x7fffffff) | (F[rs2]{64} & 0x80000000);
|
||||
if(FLEN==64)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<64) | res;
|
||||
}
|
||||
}
|
||||
FSGNJN.D {
|
||||
encoding: b0010001 | rs2[4:0] | rs1[4:0] | b001 | rd[4:0] | b1010011;
|
||||
args_disass:"f%rd$d, f%rs1$d, f%rs2$d";
|
||||
val res[64] <= (F[rs1]{64} & 0x7fffffff) | (~F[rs2]{64} & 0x80000000);
|
||||
if(FLEN==64)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<64) | res;
|
||||
}
|
||||
}
|
||||
FSGNJX.D {
|
||||
encoding: b0010001 | rs2[4:0] | rs1[4:0] | b010 | rd[4:0] | b1010011;
|
||||
args_disass:"f%rd$d, f%rs1$d, f%rs2$d";
|
||||
val res[64] <= F[rs1]{64} ^ (F[rs2]{64} & 0x80000000);
|
||||
if(FLEN==64)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<64) | res;
|
||||
}
|
||||
}
|
||||
FMIN.D {
|
||||
encoding: b0010101 | rs2[4:0] | rs1[4:0] | b000 | rd[4:0] | b1010011;
|
||||
args_disass:"f%rd$d, f%rs1$d, f%rs2$d";
|
||||
//F[rd]f<= choose(F[rs1]f<F[rs2]f, F[rs1]f, F[rs2]f);
|
||||
val res[64] <= fdispatch_fsel_d(F[rs1]{64}, F[rs2]{64}, zext(0, 32));
|
||||
if(FLEN==64)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<64) | res;
|
||||
}
|
||||
val flags[32] <= fdispatch_fget_flags();
|
||||
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
|
||||
}
|
||||
FMAX.D {
|
||||
encoding: b0010101 | rs2[4:0] | rs1[4:0] | b001 | rd[4:0] | b1010011;
|
||||
args_disass:"f%rd$d, f%rs1$d, f%rs2$d";
|
||||
//F[rd]f<= choose(F[rs1]f>F[rs2]f, F[rs1]f, F[rs2]f);
|
||||
val res[64] <= fdispatch_fsel_d(F[rs1]{64}, F[rs2]{64}, zext(1, 32));
|
||||
if(FLEN==64)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<64) | res;
|
||||
}
|
||||
val flags[32] <= fdispatch_fget_flags();
|
||||
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
|
||||
}
|
||||
FCVT.S.D {
|
||||
encoding: b0100000 | b00001 | rs1[4:0] | rm[2:0] | rd[4:0] | b1010011;
|
||||
args_disass:"f%rd$d, f%rs1$d";
|
||||
val res[32] <= fdispatch_fconv_d2f(F[rs1], rm{8});
|
||||
// NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= upper<<32 | zext(res, FLEN);
|
||||
}
|
||||
FCVT.D.S {
|
||||
encoding: b0100001 | b00000 | rs1[4:0] | rm[2:0] | rd[4:0] | b1010011;
|
||||
args_disass:"f%rd$d, f%rs1$d";
|
||||
val res[64] <= fdispatch_fconv_f2d(F[rs1]{32}, rm{8});
|
||||
if(FLEN==64){
|
||||
F[rd] <= res;
|
||||
} else {
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<64) | res;
|
||||
}
|
||||
}
|
||||
FEQ.D {
|
||||
encoding: b1010001 | rs2[4:0] | rs1[4:0] | b010 | rd[4:0] | b1010011;
|
||||
args_disass:"x%rd$d, f%rs1$d, f%rs2$d";
|
||||
X[rd]<=fdispatch_fcmp_d(F[rs1]{64}, F[rs2]{64}, zext(0, 32));
|
||||
val flags[32] <= fdispatch_fget_flags();
|
||||
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
|
||||
}
|
||||
FLT.D {
|
||||
encoding: b1010001 | rs2[4:0] | rs1[4:0] | b001 | rd[4:0] | b1010011;
|
||||
args_disass:"x%rd$d, f%rs1$d, f%rs2$d";
|
||||
X[rd]<=fdispatch_fcmp_d(F[rs1]{64}, F[rs2]{64}, zext(2, 32));
|
||||
val flags[32] <= fdispatch_fget_flags();
|
||||
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
|
||||
}
|
||||
FLE.D {
|
||||
encoding: b1010001 | rs2[4:0] | rs1[4:0] | b000 | rd[4:0] | b1010011;
|
||||
args_disass:"x%rd$d, f%rs1$d, f%rs2$d";
|
||||
X[rd]<=fdispatch_fcmp_d(F[rs1]{64}, F[rs2]{64}, zext(1, 32));
|
||||
val flags[32] <= fdispatch_fget_flags();
|
||||
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
|
||||
}
|
||||
FCLASS.D {
|
||||
encoding: b1110001 | b00000 | rs1[4:0] | b001 | rd[4:0] | b1010011;
|
||||
args_disass:"x%rd$d, f%rs1$d";
|
||||
X[rd]<=fdispatch_fclass_d(F[rs1]{64});
|
||||
}
|
||||
FCVT.W.D {
|
||||
encoding: b1100001 | b00000 | rs1[4:0] | rm[2:0] | rd[4:0] | b1010011;
|
||||
args_disass:"x%rd$d, f%rs1$d";
|
||||
X[rd]<= sext(fdispatch_fcvt_d(F[rs1]{64}, zext(0, 32), rm{8}), XLEN);
|
||||
val flags[32] <= fdispatch_fget_flags();
|
||||
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
|
||||
}
|
||||
FCVT.WU.D {
|
||||
encoding: b1100001 | b00001 | rs1[4:0] | rm[2:0] | rd[4:0] | b1010011;
|
||||
args_disass:"x%rd$d, f%rs1$d";
|
||||
X[rd]<= zext(fdispatch_fcvt_d(F[rs1]{64}, zext(1, 32), rm{8}), XLEN);
|
||||
val flags[32] <= fdispatch_fget_flags();
|
||||
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
|
||||
}
|
||||
FCVT.D.W {
|
||||
encoding: b1101001 | b00000 | rs1[4:0] | rm[2:0] | rd[4:0] | b1010011;
|
||||
args_disass:"f%rd$d, x%rs1$d";
|
||||
val res[64] <= fdispatch_fcvt_d(sext(X[rs1],64), zext(2, 32), rm{8});
|
||||
if(FLEN==64)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<64) | res;
|
||||
}
|
||||
}
|
||||
FCVT.D.WU {
|
||||
encoding: b1101001 | b00001 | rs1[4:0] | rm[2:0] | rd[4:0] | b1010011;
|
||||
args_disass:"f%rd$d, x%rs1$d";
|
||||
val res[64] <=fdispatch_fcvt_d(zext(X[rs1],64), zext(3,32), rm{8});
|
||||
if(FLEN==64)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<64) | res;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -1,294 +1,294 @@
|
||||
import "RV32IBase.core_desc"
|
||||
|
||||
InsructionSet RV32F extends RV32IBase{
|
||||
constants {
|
||||
FLEN, FFLAG_MASK := 0x1f
|
||||
}
|
||||
registers {
|
||||
[31:0] F[FLEN], FCSR[32]
|
||||
}
|
||||
instructions{
|
||||
FLW {
|
||||
encoding: imm[11:0]s | rs1[4:0] | b010 | rd[4:0] | b0000111;
|
||||
args_disass:"f%rd$d, %imm%(x%rs1$d)";
|
||||
val offs[XLEN] <= X[rs1]+imm;
|
||||
val res[32] <= MEM[offs]{32};
|
||||
if(FLEN==32)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<32) | zext(res, FLEN);
|
||||
}
|
||||
}
|
||||
FSW {
|
||||
encoding: imm[11:5]s | rs2[4:0] | rs1[4:0] | b010 | imm[4:0]s | b0100111;
|
||||
args_disass:"f%rs2$d, %imm%(x%rs1$d)";
|
||||
val offs[XLEN] <= X[rs1]+imm;
|
||||
MEM[offs]{32}<=F[rs2]{32};
|
||||
}
|
||||
FMADD.S {
|
||||
encoding: rs3[4:0] | b00 | rs2[4:0] | rs1[4:0] | rm[2:0] | rd[4:0] | b1000011;
|
||||
args_disass:"x%rd$d, f%rs1$d, f%rs2$d, f%rs3$d";
|
||||
//F[rd]f<= F[rs1]f * F[rs2]f + F[rs3]f;
|
||||
val res[32] <= fdispatch_fmadd_s(F[rs1]{32}, F[rs2]{32}, F[rs3]{32}, zext(0, 32), choose(rm<7, rm{8}, FCSR{8}));
|
||||
if(FLEN==32)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<32) | zext(res, FLEN);
|
||||
}
|
||||
val flags[32] <= fdispatch_fget_flags();
|
||||
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
|
||||
}
|
||||
FMSUB.S {
|
||||
encoding: rs3[4:0] | b00 | rs2[4:0] | rs1[4:0] | rm[2:0] | rd[4:0] | b1000111;
|
||||
args_disass:"x%rd$d, f%rs1$d, f%rs2$d, f%rs3$d";
|
||||
//F[rd]f<=F[rs1]f * F[rs2]f - F[rs3]f;
|
||||
val res[32] <= fdispatch_fmadd_s(F[rs1]{32}, F[rs2]{32}, F[rs3]{32}, zext(1, 32), choose(rm<7, rm{8}, FCSR{8}));
|
||||
if(FLEN==32)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<32) | zext(res, FLEN);
|
||||
}
|
||||
val flags[32] <= fdispatch_fget_flags();
|
||||
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
|
||||
}
|
||||
FNMADD.S {
|
||||
encoding: rs3[4:0] | b00 | rs2[4:0] | rs1[4:0] | rm[2:0] | rd[4:0] | b1001111;
|
||||
args_disass:"x%rd$d, f%rs1$d, f%rs2$d, f%rs3$d";
|
||||
//F[rd]f<=-F[rs1]f * F[rs2]f + F[rs3]f;
|
||||
val res[32] <= fdispatch_fmadd_s(F[rs1]{32}, F[rs2]{32}, F[rs3]{32}, zext(2, 32), choose(rm<7, rm{8}, FCSR{8}));
|
||||
if(FLEN==32)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<32) | zext(res, FLEN);
|
||||
}
|
||||
val flags[32] <= fdispatch_fget_flags();
|
||||
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
|
||||
}
|
||||
FNMSUB.S {
|
||||
encoding: rs3[4:0] | b00 | rs2[4:0] | rs1[4:0] | rm[2:0] | rd[4:0] | b1001011;
|
||||
args_disass:"x%rd$d, f%rs1$d, f%rs2$d, f%rs3$d";
|
||||
//F[rd]f<=-F[rs1]f * F[rs2]f - F[rs3]f;
|
||||
val res[32] <= fdispatch_fmadd_s(F[rs1]{32}, F[rs2]{32}, F[rs3]{32}, zext(3, 32), choose(rm<7, rm{8}, FCSR{8}));
|
||||
if(FLEN==32)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<32) | zext(res, FLEN);
|
||||
}
|
||||
val flags[32] <= fdispatch_fget_flags();
|
||||
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
|
||||
}
|
||||
FADD.S {
|
||||
encoding: b0000000 | rs2[4:0] | rs1[4:0] | rm[2:0] | rd[4:0] | b1010011;
|
||||
args_disass:"f%rd$d, f%rs1$d, f%rs2$d";
|
||||
// F[rd]f <= F[rs1]f + F[rs2]f;
|
||||
val res[32] <= fdispatch_fadd_s(F[rs1]{32}, F[rs2]{32}, choose(rm<7, rm{8}, FCSR{8}));
|
||||
if(FLEN==32)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<32) | zext(res, FLEN);
|
||||
}
|
||||
val flags[32] <= fdispatch_fget_flags();
|
||||
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
|
||||
}
|
||||
FSUB.S {
|
||||
encoding: b0000100 | rs2[4:0] | rs1[4:0] | rm[2:0] | rd[4:0] | b1010011;
|
||||
args_disass:"f%rd$d, f%rs1$d, f%rs2$d";
|
||||
// F[rd]f <= F[rs1]f - F[rs2]f;
|
||||
val res[32] <= fdispatch_fsub_s(F[rs1]{32}, F[rs2]{32}, choose(rm<7, rm{8}, FCSR{8}));
|
||||
if(FLEN==32)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<32) | zext(res, FLEN);
|
||||
}
|
||||
val flags[32] <= fdispatch_fget_flags();
|
||||
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
|
||||
}
|
||||
FMUL.S {
|
||||
encoding: b0001000 | rs2[4:0] | rs1[4:0] | rm[2:0] | rd[4:0] | b1010011;
|
||||
args_disass:"f%rd$d, f%rs1$d, f%rs2$d";
|
||||
// F[rd]f <= F[rs1]f * F[rs2]f;
|
||||
val res[32] <= fdispatch_fmul_s(F[rs1]{32}, F[rs2]{32}, choose(rm<7, rm{8}, FCSR{8}));
|
||||
if(FLEN==32)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<32) | zext(res, FLEN);
|
||||
}
|
||||
val flags[32] <= fdispatch_fget_flags();
|
||||
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
|
||||
}
|
||||
FDIV.S {
|
||||
encoding: b0001100 | rs2[4:0] | rs1[4:0] | rm[2:0] | rd[4:0] | b1010011;
|
||||
args_disass:"f%rd$d, f%rs1$d, f%rs2$d";
|
||||
// F[rd]f <= F[rs1]f / F[rs2]f;
|
||||
val res[32] <= fdispatch_fdiv_s(F[rs1]{32}, F[rs2]{32}, choose(rm<7, rm{8}, FCSR{8}));
|
||||
if(FLEN==32)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<32) | zext(res, FLEN);
|
||||
}
|
||||
val flags[32] <= fdispatch_fget_flags();
|
||||
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
|
||||
}
|
||||
FSQRT.S {
|
||||
encoding: b0101100 | b00000 | rs1[4:0] | rm[2:0] | rd[4:0] | b1010011;
|
||||
args_disass:"f%rd$d, f%rs1$d";
|
||||
//F[rd]f<=sqrt(F[rs1]f);
|
||||
val res[32] <= fdispatch_fsqrt_s(F[rs1]{32}, choose(rm<7, rm{8}, FCSR{8}));
|
||||
if(FLEN==32)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<32) | zext(res, FLEN);
|
||||
}
|
||||
val flags[32] <= fdispatch_fget_flags();
|
||||
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
|
||||
}
|
||||
FSGNJ.S {
|
||||
encoding: b0010000 | rs2[4:0] | rs1[4:0] | b000 | rd[4:0] | b1010011;
|
||||
args_disass:"f%rd$d, f%rs1$d, f%rs2$d";
|
||||
val res[32] <= (F[rs1]{32} & 0x7fffffff) | (F[rs2]{32} & 0x80000000);
|
||||
if(FLEN==32)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<32) | zext(res, FLEN);
|
||||
}
|
||||
}
|
||||
FSGNJN.S {
|
||||
encoding: b0010000 | rs2[4:0] | rs1[4:0] | b001 | rd[4:0] | b1010011;
|
||||
args_disass:"f%rd$d, f%rs1$d, f%rs2$d";
|
||||
val res[32] <= (F[rs1]{32} & 0x7fffffff) | (~F[rs2]{32} & 0x80000000);
|
||||
if(FLEN==32)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<32) | zext(res, FLEN);
|
||||
}
|
||||
}
|
||||
FSGNJX.S {
|
||||
encoding: b0010000 | rs2[4:0] | rs1[4:0] | b010 | rd[4:0] | b1010011;
|
||||
args_disass:"f%rd$d, f%rs1$d, f%rs2$d";
|
||||
val res[32] <= F[rs1]{32} ^ (F[rs2]{32} & 0x80000000);
|
||||
if(FLEN==32)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<32) | zext(res, FLEN);
|
||||
}
|
||||
}
|
||||
FMIN.S {
|
||||
encoding: b0010100 | rs2[4:0] | rs1[4:0] | b000 | rd[4:0] | b1010011;
|
||||
args_disass:"f%rd$d, f%rs1$d, f%rs2$d";
|
||||
//F[rd]f<= choose(F[rs1]f<F[rs2]f, F[rs1]f, F[rs2]f);
|
||||
val res[32] <= fdispatch_fsel_s(F[rs1]{32}, F[rs2]{32}, zext(0, 32));
|
||||
if(FLEN==32)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<32) | zext(res, FLEN);
|
||||
}
|
||||
val flags[32] <= fdispatch_fget_flags();
|
||||
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
|
||||
}
|
||||
FMAX.S {
|
||||
encoding: b0010100 | rs2[4:0] | rs1[4:0] | b001 | rd[4:0] | b1010011;
|
||||
args_disass:"f%rd$d, f%rs1$d, f%rs2$d";
|
||||
//F[rd]f<= choose(F[rs1]f>F[rs2]f, F[rs1]f, F[rs2]f);
|
||||
val res[32] <= fdispatch_fsel_s(F[rs1]{32}, F[rs2]{32}, zext(1, 32));
|
||||
if(FLEN==32)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<32) | zext(res, FLEN);
|
||||
}
|
||||
val flags[32] <= fdispatch_fget_flags();
|
||||
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
|
||||
}
|
||||
FCVT.W.S {
|
||||
encoding: b1100000 | b00000 | rs1[4:0] | rm[2:0] | rd[4:0] | b1010011;
|
||||
args_disass:"x%rd$d, f%rs1$d";
|
||||
X[rd]<= sext(fdispatch_fcvt_s(F[rs1]{32}, zext(0, 32), rm{8}), XLEN);
|
||||
val flags[32] <= fdispatch_fget_flags();
|
||||
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
|
||||
}
|
||||
FCVT.WU.S {
|
||||
encoding: b1100000 | b00001 | rs1[4:0] | rm[2:0] | rd[4:0] | b1010011;
|
||||
args_disass:"x%rd$d, f%rs1$d";
|
||||
X[rd]<= zext(fdispatch_fcvt_s(F[rs1]{32}, zext(1, 32), rm{8}), XLEN);
|
||||
val flags[32] <= fdispatch_fget_flags();
|
||||
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
|
||||
}
|
||||
FEQ.S {
|
||||
encoding: b1010000 | rs2[4:0] | rs1[4:0] | b010 | rd[4:0] | b1010011;
|
||||
args_disass:"x%rd$d, f%rs1$d, f%rs2$d";
|
||||
X[rd]<=fdispatch_fcmp_s(F[rs1]{32}, F[rs2]{32}, zext(0, 32));
|
||||
val flags[32] <= fdispatch_fget_flags();
|
||||
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
|
||||
}
|
||||
FLT.S {
|
||||
encoding: b1010000 | rs2[4:0] | rs1[4:0] | b001 | rd[4:0] | b1010011;
|
||||
args_disass:"x%rd$d, f%rs1$d, f%rs2$d";
|
||||
X[rd]<=fdispatch_fcmp_s(F[rs1]{32}, F[rs2]{32}, zext(2, 32));
|
||||
val flags[32] <= fdispatch_fget_flags();
|
||||
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
|
||||
}
|
||||
FLE.S {
|
||||
encoding: b1010000 | rs2[4:0] | rs1[4:0] | b000 | rd[4:0] | b1010011;
|
||||
args_disass:"x%rd$d, f%rs1$d, f%rs2$d";
|
||||
X[rd]<=fdispatch_fcmp_s(F[rs1]{32}, F[rs2]{32}, zext(1, 32));
|
||||
val flags[32] <= fdispatch_fget_flags();
|
||||
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
|
||||
}
|
||||
FCLASS.S {
|
||||
encoding: b1110000 | b00000 | rs1[4:0] | b001 | rd[4:0] | b1010011;
|
||||
args_disass:"x%rd$d, f%rs1$d";
|
||||
X[rd]<=fdispatch_fclass_s(F[rs1]{32});
|
||||
}
|
||||
FCVT.S.W {
|
||||
encoding: b1101000 | b00000 | rs1[4:0] | rm[2:0] | rd[4:0] | b1010011;
|
||||
args_disass:"f%rd$d, x%rs1$d";
|
||||
val res[32] <= fdispatch_fcvt_s(X[rs1]{32}, zext(2, 32), rm{8});
|
||||
if(FLEN==32)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<32) | zext(res, FLEN);
|
||||
}
|
||||
}
|
||||
FCVT.S.WU {
|
||||
encoding: b1101000 | b00001 | rs1[4:0] | rm[2:0] | rd[4:0] | b1010011;
|
||||
args_disass:"f%rd$d, x%rs1$d";
|
||||
val res[32] <=fdispatch_fcvt_s(X[rs1]{32}, zext(3,32), rm{8});
|
||||
if(FLEN==32)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<32) | zext(res, FLEN);
|
||||
}
|
||||
}
|
||||
FMV.X.W {
|
||||
encoding: b1110000 | b00000 | rs1[4:0] | b000 | rd[4:0] | b1010011;
|
||||
args_disass:"x%rd$d, f%rs1$d";
|
||||
X[rd]<=sext(F[rs1]{32});
|
||||
}
|
||||
FMV.W.X {
|
||||
encoding: b1111000 | b00000 | rs1[4:0] | b000 | rd[4:0] | b1010011;
|
||||
args_disass:"f%rd$d, x%rs1$d";
|
||||
if(FLEN==32)
|
||||
F[rd] <= X[rs1];
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<32) | zext(X[rs1], FLEN);
|
||||
}
|
||||
}
|
||||
}
|
||||
constants {
|
||||
FLEN, FFLAG_MASK := 0x1f
|
||||
}
|
||||
registers {
|
||||
[31:0] F[FLEN], FCSR[32]
|
||||
}
|
||||
instructions{
|
||||
FLW {
|
||||
encoding: imm[11:0]s | rs1[4:0] | b010 | rd[4:0] | b0000111;
|
||||
args_disass:"f%rd$d, %imm%(x%rs1$d)";
|
||||
val offs[XLEN] <= X[rs1]+imm;
|
||||
val res[32] <= MEM[offs]{32};
|
||||
if(FLEN==32)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<32) | zext(res, FLEN);
|
||||
}
|
||||
}
|
||||
FSW {
|
||||
encoding: imm[11:5]s | rs2[4:0] | rs1[4:0] | b010 | imm[4:0]s | b0100111;
|
||||
args_disass:"f%rs2$d, %imm%(x%rs1$d)";
|
||||
val offs[XLEN] <= X[rs1]+imm;
|
||||
MEM[offs]{32}<=F[rs2]{32};
|
||||
}
|
||||
FMADD.S {
|
||||
encoding: rs3[4:0] | b00 | rs2[4:0] | rs1[4:0] | rm[2:0] | rd[4:0] | b1000011;
|
||||
args_disass:"x%rd$d, f%rs1$d, f%rs2$d, f%rs3$d";
|
||||
//F[rd]f<= F[rs1]f * F[rs2]f + F[rs3]f;
|
||||
val res[32] <= fdispatch_fmadd_s(F[rs1]{32}, F[rs2]{32}, F[rs3]{32}, zext(0, 32), choose(rm<7, rm{8}, FCSR{8}));
|
||||
if(FLEN==32)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<32) | zext(res, FLEN);
|
||||
}
|
||||
val flags[32] <= fdispatch_fget_flags();
|
||||
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
|
||||
}
|
||||
FMSUB.S {
|
||||
encoding: rs3[4:0] | b00 | rs2[4:0] | rs1[4:0] | rm[2:0] | rd[4:0] | b1000111;
|
||||
args_disass:"x%rd$d, f%rs1$d, f%rs2$d, f%rs3$d";
|
||||
//F[rd]f<=F[rs1]f * F[rs2]f - F[rs3]f;
|
||||
val res[32] <= fdispatch_fmadd_s(F[rs1]{32}, F[rs2]{32}, F[rs3]{32}, zext(1, 32), choose(rm<7, rm{8}, FCSR{8}));
|
||||
if(FLEN==32)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<32) | zext(res, FLEN);
|
||||
}
|
||||
val flags[32] <= fdispatch_fget_flags();
|
||||
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
|
||||
}
|
||||
FNMADD.S {
|
||||
encoding: rs3[4:0] | b00 | rs2[4:0] | rs1[4:0] | rm[2:0] | rd[4:0] | b1001111;
|
||||
args_disass:"x%rd$d, f%rs1$d, f%rs2$d, f%rs3$d";
|
||||
//F[rd]f<=-F[rs1]f * F[rs2]f + F[rs3]f;
|
||||
val res[32] <= fdispatch_fmadd_s(F[rs1]{32}, F[rs2]{32}, F[rs3]{32}, zext(2, 32), choose(rm<7, rm{8}, FCSR{8}));
|
||||
if(FLEN==32)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<32) | zext(res, FLEN);
|
||||
}
|
||||
val flags[32] <= fdispatch_fget_flags();
|
||||
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
|
||||
}
|
||||
FNMSUB.S {
|
||||
encoding: rs3[4:0] | b00 | rs2[4:0] | rs1[4:0] | rm[2:0] | rd[4:0] | b1001011;
|
||||
args_disass:"x%rd$d, f%rs1$d, f%rs2$d, f%rs3$d";
|
||||
//F[rd]f<=-F[rs1]f * F[rs2]f - F[rs3]f;
|
||||
val res[32] <= fdispatch_fmadd_s(F[rs1]{32}, F[rs2]{32}, F[rs3]{32}, zext(3, 32), choose(rm<7, rm{8}, FCSR{8}));
|
||||
if(FLEN==32)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<32) | zext(res, FLEN);
|
||||
}
|
||||
val flags[32] <= fdispatch_fget_flags();
|
||||
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
|
||||
}
|
||||
FADD.S {
|
||||
encoding: b0000000 | rs2[4:0] | rs1[4:0] | rm[2:0] | rd[4:0] | b1010011;
|
||||
args_disass:"f%rd$d, f%rs1$d, f%rs2$d";
|
||||
// F[rd]f <= F[rs1]f + F[rs2]f;
|
||||
val res[32] <= fdispatch_fadd_s(F[rs1]{32}, F[rs2]{32}, choose(rm<7, rm{8}, FCSR{8}));
|
||||
if(FLEN==32)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<32) | zext(res, FLEN);
|
||||
}
|
||||
val flags[32] <= fdispatch_fget_flags();
|
||||
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
|
||||
}
|
||||
FSUB.S {
|
||||
encoding: b0000100 | rs2[4:0] | rs1[4:0] | rm[2:0] | rd[4:0] | b1010011;
|
||||
args_disass:"f%rd$d, f%rs1$d, f%rs2$d";
|
||||
// F[rd]f <= F[rs1]f - F[rs2]f;
|
||||
val res[32] <= fdispatch_fsub_s(F[rs1]{32}, F[rs2]{32}, choose(rm<7, rm{8}, FCSR{8}));
|
||||
if(FLEN==32)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<32) | zext(res, FLEN);
|
||||
}
|
||||
val flags[32] <= fdispatch_fget_flags();
|
||||
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
|
||||
}
|
||||
FMUL.S {
|
||||
encoding: b0001000 | rs2[4:0] | rs1[4:0] | rm[2:0] | rd[4:0] | b1010011;
|
||||
args_disass:"f%rd$d, f%rs1$d, f%rs2$d";
|
||||
// F[rd]f <= F[rs1]f * F[rs2]f;
|
||||
val res[32] <= fdispatch_fmul_s(F[rs1]{32}, F[rs2]{32}, choose(rm<7, rm{8}, FCSR{8}));
|
||||
if(FLEN==32)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<32) | zext(res, FLEN);
|
||||
}
|
||||
val flags[32] <= fdispatch_fget_flags();
|
||||
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
|
||||
}
|
||||
FDIV.S {
|
||||
encoding: b0001100 | rs2[4:0] | rs1[4:0] | rm[2:0] | rd[4:0] | b1010011;
|
||||
args_disass:"f%rd$d, f%rs1$d, f%rs2$d";
|
||||
// F[rd]f <= F[rs1]f / F[rs2]f;
|
||||
val res[32] <= fdispatch_fdiv_s(F[rs1]{32}, F[rs2]{32}, choose(rm<7, rm{8}, FCSR{8}));
|
||||
if(FLEN==32)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<32) | zext(res, FLEN);
|
||||
}
|
||||
val flags[32] <= fdispatch_fget_flags();
|
||||
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
|
||||
}
|
||||
FSQRT.S {
|
||||
encoding: b0101100 | b00000 | rs1[4:0] | rm[2:0] | rd[4:0] | b1010011;
|
||||
args_disass:"f%rd$d, f%rs1$d";
|
||||
//F[rd]f<=sqrt(F[rs1]f);
|
||||
val res[32] <= fdispatch_fsqrt_s(F[rs1]{32}, choose(rm<7, rm{8}, FCSR{8}));
|
||||
if(FLEN==32)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<32) | zext(res, FLEN);
|
||||
}
|
||||
val flags[32] <= fdispatch_fget_flags();
|
||||
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
|
||||
}
|
||||
FSGNJ.S {
|
||||
encoding: b0010000 | rs2[4:0] | rs1[4:0] | b000 | rd[4:0] | b1010011;
|
||||
args_disass:"f%rd$d, f%rs1$d, f%rs2$d";
|
||||
val res[32] <= (F[rs1]{32} & 0x7fffffff) | (F[rs2]{32} & 0x80000000);
|
||||
if(FLEN==32)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<32) | zext(res, FLEN);
|
||||
}
|
||||
}
|
||||
FSGNJN.S {
|
||||
encoding: b0010000 | rs2[4:0] | rs1[4:0] | b001 | rd[4:0] | b1010011;
|
||||
args_disass:"f%rd$d, f%rs1$d, f%rs2$d";
|
||||
val res[32] <= (F[rs1]{32} & 0x7fffffff) | (~F[rs2]{32} & 0x80000000);
|
||||
if(FLEN==32)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<32) | zext(res, FLEN);
|
||||
}
|
||||
}
|
||||
FSGNJX.S {
|
||||
encoding: b0010000 | rs2[4:0] | rs1[4:0] | b010 | rd[4:0] | b1010011;
|
||||
args_disass:"f%rd$d, f%rs1$d, f%rs2$d";
|
||||
val res[32] <= F[rs1]{32} ^ (F[rs2]{32} & 0x80000000);
|
||||
if(FLEN==32)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<32) | zext(res, FLEN);
|
||||
}
|
||||
}
|
||||
FMIN.S {
|
||||
encoding: b0010100 | rs2[4:0] | rs1[4:0] | b000 | rd[4:0] | b1010011;
|
||||
args_disass:"f%rd$d, f%rs1$d, f%rs2$d";
|
||||
//F[rd]f<= choose(F[rs1]f<F[rs2]f, F[rs1]f, F[rs2]f);
|
||||
val res[32] <= fdispatch_fsel_s(F[rs1]{32}, F[rs2]{32}, zext(0, 32));
|
||||
if(FLEN==32)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<32) | zext(res, FLEN);
|
||||
}
|
||||
val flags[32] <= fdispatch_fget_flags();
|
||||
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
|
||||
}
|
||||
FMAX.S {
|
||||
encoding: b0010100 | rs2[4:0] | rs1[4:0] | b001 | rd[4:0] | b1010011;
|
||||
args_disass:"f%rd$d, f%rs1$d, f%rs2$d";
|
||||
//F[rd]f<= choose(F[rs1]f>F[rs2]f, F[rs1]f, F[rs2]f);
|
||||
val res[32] <= fdispatch_fsel_s(F[rs1]{32}, F[rs2]{32}, zext(1, 32));
|
||||
if(FLEN==32)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<32) | zext(res, FLEN);
|
||||
}
|
||||
val flags[32] <= fdispatch_fget_flags();
|
||||
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
|
||||
}
|
||||
FCVT.W.S {
|
||||
encoding: b1100000 | b00000 | rs1[4:0] | rm[2:0] | rd[4:0] | b1010011;
|
||||
args_disass:"x%rd$d, f%rs1$d";
|
||||
X[rd]<= sext(fdispatch_fcvt_s(F[rs1]{32}, zext(0, 32), rm{8}), XLEN);
|
||||
val flags[32] <= fdispatch_fget_flags();
|
||||
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
|
||||
}
|
||||
FCVT.WU.S {
|
||||
encoding: b1100000 | b00001 | rs1[4:0] | rm[2:0] | rd[4:0] | b1010011;
|
||||
args_disass:"x%rd$d, f%rs1$d";
|
||||
X[rd]<= zext(fdispatch_fcvt_s(F[rs1]{32}, zext(1, 32), rm{8}), XLEN);
|
||||
val flags[32] <= fdispatch_fget_flags();
|
||||
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
|
||||
}
|
||||
FEQ.S {
|
||||
encoding: b1010000 | rs2[4:0] | rs1[4:0] | b010 | rd[4:0] | b1010011;
|
||||
args_disass:"x%rd$d, f%rs1$d, f%rs2$d";
|
||||
X[rd]<=fdispatch_fcmp_s(F[rs1]{32}, F[rs2]{32}, zext(0, 32));
|
||||
val flags[32] <= fdispatch_fget_flags();
|
||||
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
|
||||
}
|
||||
FLT.S {
|
||||
encoding: b1010000 | rs2[4:0] | rs1[4:0] | b001 | rd[4:0] | b1010011;
|
||||
args_disass:"x%rd$d, f%rs1$d, f%rs2$d";
|
||||
X[rd]<=fdispatch_fcmp_s(F[rs1]{32}, F[rs2]{32}, zext(2, 32));
|
||||
val flags[32] <= fdispatch_fget_flags();
|
||||
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
|
||||
}
|
||||
FLE.S {
|
||||
encoding: b1010000 | rs2[4:0] | rs1[4:0] | b000 | rd[4:0] | b1010011;
|
||||
args_disass:"x%rd$d, f%rs1$d, f%rs2$d";
|
||||
X[rd]<=fdispatch_fcmp_s(F[rs1]{32}, F[rs2]{32}, zext(1, 32));
|
||||
val flags[32] <= fdispatch_fget_flags();
|
||||
FCSR <= (FCSR & ~FFLAG_MASK) + flags{5};
|
||||
}
|
||||
FCLASS.S {
|
||||
encoding: b1110000 | b00000 | rs1[4:0] | b001 | rd[4:0] | b1010011;
|
||||
args_disass:"x%rd$d, f%rs1$d";
|
||||
X[rd]<=fdispatch_fclass_s(F[rs1]{32});
|
||||
}
|
||||
FCVT.S.W {
|
||||
encoding: b1101000 | b00000 | rs1[4:0] | rm[2:0] | rd[4:0] | b1010011;
|
||||
args_disass:"f%rd$d, x%rs1$d";
|
||||
val res[32] <= fdispatch_fcvt_s(X[rs1]{32}, zext(2, 32), rm{8});
|
||||
if(FLEN==32)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<32) | zext(res, FLEN);
|
||||
}
|
||||
}
|
||||
FCVT.S.WU {
|
||||
encoding: b1101000 | b00001 | rs1[4:0] | rm[2:0] | rd[4:0] | b1010011;
|
||||
args_disass:"f%rd$d, x%rs1$d";
|
||||
val res[32] <=fdispatch_fcvt_s(X[rs1]{32}, zext(3,32), rm{8});
|
||||
if(FLEN==32)
|
||||
F[rd] <= res;
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<32) | zext(res, FLEN);
|
||||
}
|
||||
}
|
||||
FMV.X.W {
|
||||
encoding: b1110000 | b00000 | rs1[4:0] | b000 | rd[4:0] | b1010011;
|
||||
args_disass:"x%rd$d, f%rs1$d";
|
||||
X[rd]<=sext(F[rs1]{32});
|
||||
}
|
||||
FMV.W.X {
|
||||
encoding: b1111000 | b00000 | rs1[4:0] | b000 | rd[4:0] | b1010011;
|
||||
args_disass:"f%rd$d, x%rs1$d";
|
||||
if(FLEN==32)
|
||||
F[rd] <= X[rs1];
|
||||
else { // NaN boxing
|
||||
val upper[FLEN] <= -1;
|
||||
F[rd] <= (upper<<32) | zext(X[rs1], FLEN);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -1,325 +1,326 @@
|
||||
InsructionSet RV32IBase {
|
||||
constants {
|
||||
XLEN,
|
||||
PCLEN,
|
||||
XLEN_BIT_MASK:=0x1f,
|
||||
constants {
|
||||
XLEN,
|
||||
PCLEN,
|
||||
XLEN_BIT_MASK:=0x1f,
|
||||
fence:=0,
|
||||
fencei:=1,
|
||||
fencevmal:=2,
|
||||
fencevmau:=3
|
||||
}
|
||||
|
||||
address_spaces {
|
||||
MEM[8], CSR[XLEN], FENCE[XLEN]
|
||||
}
|
||||
|
||||
registers {
|
||||
[31:0] X[XLEN],
|
||||
PC[XLEN](is_pc)
|
||||
}
|
||||
|
||||
instructions {
|
||||
LUI{
|
||||
encoding: imm[31:12]s | rd[4:0] | b0110111;
|
||||
args_disass: "x%rd$d, 0x%imm$05x";
|
||||
if(rd!=0) X[rd] <= imm;
|
||||
}
|
||||
AUIPC{
|
||||
encoding: imm[31:12]s | rd[4:0] | b0010111;
|
||||
args_disass: "x%rd%, 0x%imm$08x";
|
||||
if(rd!=0) X[rd] <= PC+imm;
|
||||
}
|
||||
JAL(no_cont){
|
||||
encoding: imm[20:20]s | imm[10:1]s | imm[11:11]s | imm[19:12]s | rd[4:0] | b1101111;
|
||||
args_disass: "x%rd$d, 0x%imm$x";
|
||||
if(rd!=0) X[rd] <= PC+4;
|
||||
PC<=PC+imm;
|
||||
}
|
||||
JALR(no_cont){
|
||||
encoding: imm[11:0]s | rs1[4:0] | b000 | rd[4:0] | b1100111;
|
||||
args_disass: "x%rd$d, x%rs1$d, 0x%imm$x";
|
||||
}
|
||||
|
||||
address_spaces {
|
||||
MEM[8], CSR[XLEN], FENCE[XLEN]
|
||||
}
|
||||
|
||||
registers {
|
||||
[31:0] X[XLEN],
|
||||
PC[XLEN](is_pc),
|
||||
alias ZERO[XLEN] is X[0]
|
||||
}
|
||||
|
||||
instructions {
|
||||
LUI{
|
||||
encoding: imm[31:12]s | rd[4:0] | b0110111;
|
||||
args_disass: "x%rd$d, 0x%imm$05x";
|
||||
if(rd!=0) X[rd] <= imm;
|
||||
}
|
||||
AUIPC{
|
||||
encoding: imm[31:12]s | rd[4:0] | b0010111;
|
||||
args_disass: "x%rd%, 0x%imm$08x";
|
||||
if(rd!=0) X[rd] <= PC+imm;
|
||||
}
|
||||
JAL(no_cont){
|
||||
encoding: imm[20:20]s | imm[10:1]s | imm[11:11]s | imm[19:12]s | rd[4:0] | b1101111;
|
||||
args_disass: "x%rd$d, 0x%imm$x";
|
||||
if(rd!=0) X[rd] <= PC+4;
|
||||
PC<=PC+imm;
|
||||
}
|
||||
JALR(no_cont){
|
||||
encoding: imm[11:0]s | rs1[4:0] | b000 | rd[4:0] | b1100111;
|
||||
args_disass: "x%rd$d, x%rs1$d, 0x%imm$x";
|
||||
val new_pc[XLEN] <= X[rs1]+ imm;
|
||||
val align[XLEN] <= new_pc & 0x2;
|
||||
if(align != 0){
|
||||
raise(0, 0);
|
||||
} else {
|
||||
if(rd!=0) X[rd] <= PC+4;
|
||||
PC<=new_pc & ~0x1;
|
||||
}
|
||||
}
|
||||
BEQ(no_cont,cond){
|
||||
encoding: imm[12:12]s |imm[10:5]s | rs2[4:0] | rs1[4:0] | b000 | imm[4:1]s | imm[11:11]s | b1100011;
|
||||
args_disass:"x%rs1$d, x%rs2$d, 0x%imm$x";
|
||||
PC<=choose(X[rs1]==X[rs2], PC+imm, PC+4);
|
||||
}
|
||||
BNE(no_cont,cond){
|
||||
encoding: imm[12:12]s |imm[10:5]s | rs2[4:0] | rs1[4:0] | b001 | imm[4:1]s | imm[11:11]s | b1100011;
|
||||
args_disass:"x%rs1$d, x%rs2$d, 0x%imm$x";
|
||||
PC<=choose(X[rs1]!=X[rs2], PC+imm, PC+4);
|
||||
}
|
||||
BLT(no_cont,cond){
|
||||
encoding: imm[12:12]s |imm[10:5]s | rs2[4:0] | rs1[4:0] | b100 | imm[4:1]s | imm[11:11]s | b1100011;
|
||||
args_disass:"x%rs1$d, x%rs2$d, 0x%imm$x";
|
||||
PC<=choose(X[rs1]s<X[rs2]s, PC+imm, PC+4);
|
||||
}
|
||||
BGE(no_cont,cond) {
|
||||
encoding: imm[12:12]s |imm[10:5]s | rs2[4:0] | rs1[4:0] | b101 | imm[4:1]s | imm[11:11]s | b1100011;
|
||||
args_disass:"x%rs1$d, x%rs2$d, 0x%imm$x";
|
||||
PC<=choose(X[rs1]s>=X[rs2]s, PC+imm, PC+4);
|
||||
}
|
||||
BLTU(no_cont,cond) {
|
||||
encoding: imm[12:12]s |imm[10:5]s | rs2[4:0] | rs1[4:0] | b110 | imm[4:1]s | imm[11:11]s | b1100011;
|
||||
args_disass:"x%rs1$d, x%rs2$d, 0x%imm$x";
|
||||
PC<=choose(X[rs1]<X[rs2],PC+imm, PC+4);
|
||||
}
|
||||
BGEU(no_cont,cond) {
|
||||
encoding: imm[12:12]s |imm[10:5]s | rs2[4:0] | rs1[4:0] | b111 | imm[4:1]s | imm[11:11]s | b1100011;
|
||||
args_disass:"x%rs1$d, x%rs2$d, 0x%imm$x";
|
||||
PC<=choose(X[rs1]>=X[rs2], PC+imm, PC+4);
|
||||
}
|
||||
LB {
|
||||
encoding: imm[11:0]s | rs1[4:0] | b000 | rd[4:0] | b0000011;
|
||||
args_disass:"x%rd$d, %imm%(x%rs1$d)";
|
||||
val offs[XLEN] <= X[rs1]+imm;
|
||||
if(rd!=0) X[rd]<=sext(MEM[offs]);
|
||||
}
|
||||
LH {
|
||||
encoding: imm[11:0]s | rs1[4:0] | b001 | rd[4:0] | b0000011;
|
||||
args_disass:"x%rd$d, %imm%(x%rs1$d)";
|
||||
val offs[XLEN] <= X[rs1]+imm;
|
||||
if(rd!=0) X[rd]<=sext(MEM[offs]{16});
|
||||
}
|
||||
LW {
|
||||
encoding: imm[11:0]s | rs1[4:0] | b010 | rd[4:0] | b0000011;
|
||||
args_disass:"x%rd$d, %imm%(x%rs1$d)";
|
||||
val offs[XLEN] <= X[rs1]+imm;
|
||||
if(rd!=0) X[rd]<=sext(MEM[offs]{32});
|
||||
}
|
||||
LBU {
|
||||
encoding: imm[11:0]s | rs1[4:0] | b100 | rd[4:0] | b0000011;
|
||||
args_disass:"x%rd$d, %imm%(x%rs1$d)";
|
||||
val offs[XLEN] <= X[rs1]+imm;
|
||||
if(rd!=0) X[rd]<=zext(MEM[offs]);
|
||||
}
|
||||
LHU {
|
||||
encoding: imm[11:0]s | rs1[4:0] | b101 | rd[4:0] | b0000011;
|
||||
args_disass:"x%rd$d, %imm%(x%rs1$d)";
|
||||
val offs[XLEN] <= X[rs1]+imm;
|
||||
if(rd!=0) X[rd]<=zext(MEM[offs]{16});
|
||||
}
|
||||
SB {
|
||||
encoding: imm[11:5]s | rs2[4:0] | rs1[4:0] | b000 | imm[4:0]s | b0100011;
|
||||
args_disass:"x%rs2$d, %imm%(x%rs1$d)";
|
||||
val offs[XLEN] <= X[rs1] + imm;
|
||||
MEM[offs] <= X[rs2];
|
||||
}
|
||||
SH {
|
||||
encoding: imm[11:5]s | rs2[4:0] | rs1[4:0] | b001 | imm[4:0]s | b0100011;
|
||||
args_disass:"x%rs2$d, %imm%(x%rs1$d)";
|
||||
val offs[XLEN] <= X[rs1] + imm;
|
||||
MEM[offs]{16} <= X[rs2];
|
||||
}
|
||||
SW {
|
||||
encoding: imm[11:5]s | rs2[4:0] | rs1[4:0] | b010 | imm[4:0]s | b0100011;
|
||||
args_disass:"x%rs2$d, %imm%(x%rs1$d)";
|
||||
val offs[XLEN] <= X[rs1] + imm;
|
||||
MEM[offs]{32} <= X[rs2];
|
||||
}
|
||||
ADDI {
|
||||
encoding: imm[11:0]s | rs1[4:0] | b000 | rd[4:0] | b0010011;
|
||||
args_disass:"x%rd$d, x%rs1$d, %imm%";
|
||||
if(rd != 0) X[rd] <= X[rs1] + imm;
|
||||
}
|
||||
SLTI {
|
||||
encoding: imm[11:0]s | rs1[4:0] | b010 | rd[4:0] | b0010011;
|
||||
args_disass:"x%rd$d, x%rs1$d, %imm%";
|
||||
if (rd != 0) X[rd] <= choose(X[rs1]s < imm's, 1, 0); //TODO: needs fix
|
||||
}
|
||||
SLTIU {
|
||||
encoding: imm[11:0]s | rs1[4:0] | b011 | rd[4:0] | b0010011;
|
||||
args_disass:"x%rd$d, x%rs1$d, %imm%";
|
||||
val full_imm[XLEN] <= imm's;
|
||||
if (rd != 0) X[rd] <= choose(X[rs1]'u < full_imm'u, 1, 0);
|
||||
}
|
||||
XORI {
|
||||
encoding: imm[11:0]s | rs1[4:0] | b100 | rd[4:0] | b0010011;
|
||||
args_disass:"x%rd$d, x%rs1$d, %imm%";
|
||||
if(rd != 0) X[rd] <= X[rs1] ^ imm;
|
||||
}
|
||||
ORI {
|
||||
encoding: imm[11:0]s | rs1[4:0] | b110 | rd[4:0] | b0010011;
|
||||
args_disass:"x%rd$d, x%rs1$d, %imm%";
|
||||
if(rd != 0) X[rd] <= X[rs1] | imm;
|
||||
}
|
||||
ANDI {
|
||||
encoding: imm[11:0]s | rs1[4:0] | b111 | rd[4:0] | b0010011;
|
||||
args_disass:"x%rd$d, x%rs1$d, %imm%";
|
||||
if(rd != 0) X[rd] <= X[rs1] & imm;
|
||||
}
|
||||
SLLI {
|
||||
encoding: b0000000 | shamt[4:0] | rs1[4:0] | b001 | rd[4:0] | b0010011;
|
||||
args_disass:"x%rd$d, x%rs1$d, %shamt%";
|
||||
if(shamt > 31){
|
||||
raise(0,0);
|
||||
} else {
|
||||
if(rd != 0) X[rd] <= shll(X[rs1], shamt);
|
||||
}
|
||||
}
|
||||
SRLI {
|
||||
encoding: b0000000 | shamt[4:0] | rs1[4:0] | b101 | rd[4:0] | b0010011;
|
||||
args_disass:"x%rd$d, x%rs1$d, %shamt%";
|
||||
if(align != 0){
|
||||
raise(0, 0);
|
||||
} else {
|
||||
if(rd!=0) X[rd] <= PC+4;
|
||||
PC<=new_pc & ~0x1;
|
||||
}
|
||||
}
|
||||
BEQ(no_cont,cond){
|
||||
encoding: imm[12:12]s |imm[10:5]s | rs2[4:0] | rs1[4:0] | b000 | imm[4:1]s | imm[11:11]s | b1100011;
|
||||
args_disass:"x%rs1$d, x%rs2$d, 0x%imm$x";
|
||||
PC<=choose(X[rs1]==X[rs2], PC+imm, PC+4);
|
||||
}
|
||||
BNE(no_cont,cond){
|
||||
encoding: imm[12:12]s |imm[10:5]s | rs2[4:0] | rs1[4:0] | b001 | imm[4:1]s | imm[11:11]s | b1100011;
|
||||
args_disass:"x%rs1$d, x%rs2$d, 0x%imm$x";
|
||||
PC<=choose(X[rs1]!=X[rs2], PC+imm, PC+4);
|
||||
}
|
||||
BLT(no_cont,cond){
|
||||
encoding: imm[12:12]s |imm[10:5]s | rs2[4:0] | rs1[4:0] | b100 | imm[4:1]s | imm[11:11]s | b1100011;
|
||||
args_disass:"x%rs1$d, x%rs2$d, 0x%imm$x";
|
||||
PC<=choose(X[rs1]s<X[rs2]s, PC+imm, PC+4);
|
||||
}
|
||||
BGE(no_cont,cond) {
|
||||
encoding: imm[12:12]s |imm[10:5]s | rs2[4:0] | rs1[4:0] | b101 | imm[4:1]s | imm[11:11]s | b1100011;
|
||||
args_disass:"x%rs1$d, x%rs2$d, 0x%imm$x";
|
||||
PC<=choose(X[rs1]s>=X[rs2]s, PC+imm, PC+4);
|
||||
}
|
||||
BLTU(no_cont,cond) {
|
||||
encoding: imm[12:12]s |imm[10:5]s | rs2[4:0] | rs1[4:0] | b110 | imm[4:1]s | imm[11:11]s | b1100011;
|
||||
args_disass:"x%rs1$d, x%rs2$d, 0x%imm$x";
|
||||
PC<=choose(X[rs1]<X[rs2],PC+imm, PC+4);
|
||||
}
|
||||
BGEU(no_cont,cond) {
|
||||
encoding: imm[12:12]s |imm[10:5]s | rs2[4:0] | rs1[4:0] | b111 | imm[4:1]s | imm[11:11]s | b1100011;
|
||||
args_disass:"x%rs1$d, x%rs2$d, 0x%imm$x";
|
||||
PC<=choose(X[rs1]>=X[rs2], PC+imm, PC+4);
|
||||
}
|
||||
LB {
|
||||
encoding: imm[11:0]s | rs1[4:0] | b000 | rd[4:0] | b0000011;
|
||||
args_disass:"x%rd$d, %imm%(x%rs1$d)";
|
||||
val offs[XLEN] <= X[rs1]+imm;
|
||||
if(rd!=0) X[rd]<=sext(MEM[offs]);
|
||||
}
|
||||
LH {
|
||||
encoding: imm[11:0]s | rs1[4:0] | b001 | rd[4:0] | b0000011;
|
||||
args_disass:"x%rd$d, %imm%(x%rs1$d)";
|
||||
val offs[XLEN] <= X[rs1]+imm;
|
||||
if(rd!=0) X[rd]<=sext(MEM[offs]{16});
|
||||
}
|
||||
LW {
|
||||
encoding: imm[11:0]s | rs1[4:0] | b010 | rd[4:0] | b0000011;
|
||||
args_disass:"x%rd$d, %imm%(x%rs1$d)";
|
||||
val offs[XLEN] <= X[rs1]+imm;
|
||||
if(rd!=0) X[rd]<=sext(MEM[offs]{32});
|
||||
}
|
||||
LBU {
|
||||
encoding: imm[11:0]s | rs1[4:0] | b100 | rd[4:0] | b0000011;
|
||||
args_disass:"x%rd$d, %imm%(x%rs1$d)";
|
||||
val offs[XLEN] <= X[rs1]+imm;
|
||||
if(rd!=0) X[rd]<=zext(MEM[offs]);
|
||||
}
|
||||
LHU {
|
||||
encoding: imm[11:0]s | rs1[4:0] | b101 | rd[4:0] | b0000011;
|
||||
args_disass:"x%rd$d, %imm%(x%rs1$d)";
|
||||
val offs[XLEN] <= X[rs1]+imm;
|
||||
if(rd!=0) X[rd]<=zext(MEM[offs]{16});
|
||||
}
|
||||
SB {
|
||||
encoding: imm[11:5]s | rs2[4:0] | rs1[4:0] | b000 | imm[4:0]s | b0100011;
|
||||
args_disass:"x%rs2$d, %imm%(x%rs1$d)";
|
||||
val offs[XLEN] <= X[rs1] + imm;
|
||||
MEM[offs] <= X[rs2];
|
||||
}
|
||||
SH {
|
||||
encoding: imm[11:5]s | rs2[4:0] | rs1[4:0] | b001 | imm[4:0]s | b0100011;
|
||||
args_disass:"x%rs2$d, %imm%(x%rs1$d)";
|
||||
val offs[XLEN] <= X[rs1] + imm;
|
||||
MEM[offs]{16} <= X[rs2];
|
||||
}
|
||||
SW {
|
||||
encoding: imm[11:5]s | rs2[4:0] | rs1[4:0] | b010 | imm[4:0]s | b0100011;
|
||||
args_disass:"x%rs2$d, %imm%(x%rs1$d)";
|
||||
val offs[XLEN] <= X[rs1] + imm;
|
||||
MEM[offs]{32} <= X[rs2];
|
||||
}
|
||||
ADDI {
|
||||
encoding: imm[11:0]s | rs1[4:0] | b000 | rd[4:0] | b0010011;
|
||||
args_disass:"x%rd$d, x%rs1$d, %imm%";
|
||||
if(rd != 0) X[rd] <= X[rs1] + imm;
|
||||
}
|
||||
SLTI {
|
||||
encoding: imm[11:0]s | rs1[4:0] | b010 | rd[4:0] | b0010011;
|
||||
args_disass:"x%rd$d, x%rs1$d, %imm%";
|
||||
if (rd != 0) X[rd] <= choose(X[rs1]s < imm's, 1, 0);
|
||||
}
|
||||
SLTIU {
|
||||
encoding: imm[11:0]s | rs1[4:0] | b011 | rd[4:0] | b0010011;
|
||||
args_disass:"x%rd$d, x%rs1$d, %imm%";
|
||||
val full_imm[XLEN] <= imm's;
|
||||
if (rd != 0) X[rd] <= choose(X[rs1]'u < full_imm'u, 1, 0);
|
||||
}
|
||||
XORI {
|
||||
encoding: imm[11:0]s | rs1[4:0] | b100 | rd[4:0] | b0010011;
|
||||
args_disass:"x%rd$d, x%rs1$d, %imm%";
|
||||
if(rd != 0) X[rd] <= X[rs1] ^ imm;
|
||||
}
|
||||
ORI {
|
||||
encoding: imm[11:0]s | rs1[4:0] | b110 | rd[4:0] | b0010011;
|
||||
args_disass:"x%rd$d, x%rs1$d, %imm%";
|
||||
if(rd != 0) X[rd] <= X[rs1] | imm;
|
||||
}
|
||||
ANDI {
|
||||
encoding: imm[11:0]s | rs1[4:0] | b111 | rd[4:0] | b0010011;
|
||||
args_disass:"x%rd$d, x%rs1$d, %imm%";
|
||||
if(rd != 0) X[rd] <= X[rs1] & imm;
|
||||
}
|
||||
SLLI {
|
||||
encoding: b0000000 | shamt[4:0] | rs1[4:0] | b001 | rd[4:0] | b0010011;
|
||||
args_disass:"x%rd$d, x%rs1$d, %shamt%";
|
||||
if(shamt > 31){
|
||||
raise(0,0);
|
||||
} else {
|
||||
if(rd != 0) X[rd] <= shrl(X[rs1], shamt);
|
||||
}
|
||||
}
|
||||
SRAI {
|
||||
encoding: b0100000 | shamt[4:0] | rs1[4:0] | b101 | rd[4:0] | b0010011;
|
||||
args_disass:"x%rd$d, x%rs1$d, %shamt%";
|
||||
if(shamt > 31){
|
||||
if(rd != 0) X[rd] <= shll(X[rs1], shamt);
|
||||
}
|
||||
}
|
||||
SRLI {
|
||||
encoding: b0000000 | shamt[4:0] | rs1[4:0] | b101 | rd[4:0] | b0010011;
|
||||
args_disass:"x%rd$d, x%rs1$d, %shamt%";
|
||||
if(shamt > 31){
|
||||
raise(0,0);
|
||||
} else {
|
||||
if(rd != 0) X[rd] <= shra(X[rs1], shamt);
|
||||
}
|
||||
}
|
||||
ADD {
|
||||
encoding: b0000000 | rs2[4:0] | rs1[4:0] | b000 | rd[4:0] | b0110011;
|
||||
args_disass:"x%rd$d, x%rs1$d, x%rs2$d";
|
||||
if(rd != 0) X[rd] <= X[rs1] + X[rs2];
|
||||
}
|
||||
SUB {
|
||||
encoding: b0100000 | rs2[4:0] | rs1[4:0] | b000 | rd[4:0] | b0110011;
|
||||
args_disass:"x%rd$d, x%rs1$d, x%rs2$d";
|
||||
if(rd != 0) X[rd] <= X[rs1] - X[rs2];
|
||||
}
|
||||
SLL {
|
||||
encoding: b0000000 | rs2[4:0] | rs1[4:0] | b001 | rd[4:0] | b0110011;
|
||||
args_disass:"x%rd$d, x%rs1$d, x%rs2$d";
|
||||
if(rd != 0) X[rd] <= shll(X[rs1], X[rs2]&XLEN_BIT_MASK);
|
||||
}
|
||||
SLT {
|
||||
encoding: b0000000 | rs2[4:0] | rs1[4:0] | b010 | rd[4:0] | b0110011;
|
||||
args_disass:"x%rd$d, x%rs1$d, x%rs2$d";
|
||||
if (rd != 0) X[rd] <= choose(X[rs1]s < X[rs2]s, 1, 0);
|
||||
}
|
||||
SLTU {
|
||||
encoding: b0000000 | rs2[4:0] | rs1[4:0] | b011 | rd[4:0] | b0110011;
|
||||
args_disass:"x%rd$d, x%rs1$d, x%rs2$d";
|
||||
if (rd != 0) X[rd] <= choose(zext(X[rs1]) < zext(X[rs2]), 1, 0);
|
||||
}
|
||||
XOR {
|
||||
encoding: b0000000 | rs2[4:0] | rs1[4:0] | b100 | rd[4:0] | b0110011;
|
||||
args_disass:"x%rd$d, x%rs1$d, x%rs2$d";
|
||||
if(rd != 0) X[rd] <= X[rs1] ^ X[rs2];
|
||||
}
|
||||
SRL {
|
||||
encoding: b0000000 | rs2[4:0] | rs1[4:0] | b101 | rd[4:0] | b0110011;
|
||||
args_disass:"x%rd$d, x%rs1$d, x%rs2$d";
|
||||
if(rd != 0) X[rd] <= shrl(X[rs1], X[rs2]&XLEN_BIT_MASK);
|
||||
}
|
||||
SRA {
|
||||
encoding: b0100000 | rs2[4:0] | rs1[4:0] | b101 | rd[4:0] | b0110011;
|
||||
args_disass:"x%rd$d, x%rs1$d, x%rs2$d";
|
||||
if(rd != 0) X[rd] <= shra(X[rs1], X[rs2]&XLEN_BIT_MASK);
|
||||
}
|
||||
OR {
|
||||
encoding: b0000000 | rs2[4:0] | rs1[4:0] | b110 | rd[4:0] | b0110011;
|
||||
args_disass:"x%rd$d, x%rs1$d, x%rs2$d";
|
||||
if(rd != 0) X[rd] <= X[rs1] | X[rs2];
|
||||
}
|
||||
AND {
|
||||
encoding: b0000000 | rs2[4:0] | rs1[4:0] | b111 | rd[4:0] | b0110011;
|
||||
args_disass:"x%rd$d, x%rs1$d, x%rs2$d";
|
||||
if(rd != 0) X[rd] <= X[rs1] & X[rs2];
|
||||
}
|
||||
FENCE {
|
||||
encoding: b0000 | pred[3:0] | succ[3:0] | rs1[4:0] | b000 | rd[4:0] | b0001111;
|
||||
FENCE[fence] <= pred<<4 | succ;
|
||||
}
|
||||
FENCE_I(flush) {
|
||||
encoding: imm[11:0] | rs1[4:0] | b001 | rd[4:0] | b0001111 ;
|
||||
FENCE[fencei] <= imm;
|
||||
}
|
||||
ECALL(no_cont) {
|
||||
encoding: b000000000000 | b00000 | b000 | b00000 | b1110011;
|
||||
raise(0, 11);
|
||||
}
|
||||
EBREAK(no_cont) {
|
||||
encoding: b000000000001 | b00000 | b000 | b00000 | b1110011;
|
||||
raise(0, 3);
|
||||
}
|
||||
URET(no_cont) {
|
||||
encoding: b0000000 | b00010 | b00000 | b000 | b00000 | b1110011;
|
||||
leave(0);
|
||||
}
|
||||
SRET(no_cont) {
|
||||
encoding: b0001000 | b00010 | b00000 | b000 | b00000 | b1110011;
|
||||
leave(1);
|
||||
}
|
||||
MRET(no_cont) {
|
||||
encoding: b0011000 | b00010 | b00000 | b000 | b00000 | b1110011;
|
||||
leave(3);
|
||||
}
|
||||
WFI {
|
||||
encoding: b0001000 | b00101 | b00000 | b000 | b00000 | b1110011;
|
||||
wait(1);
|
||||
}
|
||||
SFENCE.VMA {
|
||||
encoding: b0001001 | rs2[4:0] | rs1[4:0] | b000 | b00000 | b1110011;
|
||||
FENCE[fencevmal] <= rs1;
|
||||
FENCE[fencevmau] <= rs2;
|
||||
}
|
||||
CSRRW {
|
||||
encoding: csr[11:0] | rs1[4:0] | b001 | rd[4:0] | b1110011;
|
||||
args_disass:"x%rd$d, %csr$d, x%rs1$d";
|
||||
if(rd != 0) X[rd] <= shrl(X[rs1], shamt);
|
||||
}
|
||||
}
|
||||
SRAI {
|
||||
encoding: b0100000 | shamt[4:0] | rs1[4:0] | b101 | rd[4:0] | b0010011;
|
||||
args_disass:"x%rd$d, x%rs1$d, %shamt%";
|
||||
if(shamt > 31){
|
||||
raise(0,0);
|
||||
} else {
|
||||
if(rd != 0) X[rd] <= shra(X[rs1], shamt);
|
||||
}
|
||||
}
|
||||
ADD {
|
||||
encoding: b0000000 | rs2[4:0] | rs1[4:0] | b000 | rd[4:0] | b0110011;
|
||||
args_disass:"x%rd$d, x%rs1$d, x%rs2$d";
|
||||
if(rd != 0) X[rd] <= X[rs1] + X[rs2];
|
||||
}
|
||||
SUB {
|
||||
encoding: b0100000 | rs2[4:0] | rs1[4:0] | b000 | rd[4:0] | b0110011;
|
||||
args_disass:"x%rd$d, x%rs1$d, x%rs2$d";
|
||||
if(rd != 0) X[rd] <= X[rs1] - X[rs2];
|
||||
}
|
||||
SLL {
|
||||
encoding: b0000000 | rs2[4:0] | rs1[4:0] | b001 | rd[4:0] | b0110011;
|
||||
args_disass:"x%rd$d, x%rs1$d, x%rs2$d";
|
||||
if(rd != 0) X[rd] <= shll(X[rs1], X[rs2]&XLEN_BIT_MASK);
|
||||
}
|
||||
SLT {
|
||||
encoding: b0000000 | rs2[4:0] | rs1[4:0] | b010 | rd[4:0] | b0110011;
|
||||
args_disass:"x%rd$d, x%rs1$d, x%rs2$d";
|
||||
if (rd != 0) X[rd] <= choose(X[rs1]s < X[rs2]s, 1, 0);
|
||||
}
|
||||
SLTU {
|
||||
encoding: b0000000 | rs2[4:0] | rs1[4:0] | b011 | rd[4:0] | b0110011;
|
||||
args_disass:"x%rd$d, x%rs1$d, x%rs2$d";
|
||||
if (rd != 0) X[rd] <= choose(zext(X[rs1]) < zext(X[rs2]), 1, 0);
|
||||
}
|
||||
XOR {
|
||||
encoding: b0000000 | rs2[4:0] | rs1[4:0] | b100 | rd[4:0] | b0110011;
|
||||
args_disass:"x%rd$d, x%rs1$d, x%rs2$d";
|
||||
if(rd != 0) X[rd] <= X[rs1] ^ X[rs2];
|
||||
}
|
||||
SRL {
|
||||
encoding: b0000000 | rs2[4:0] | rs1[4:0] | b101 | rd[4:0] | b0110011;
|
||||
args_disass:"x%rd$d, x%rs1$d, x%rs2$d";
|
||||
if(rd != 0) X[rd] <= shrl(X[rs1], X[rs2]&XLEN_BIT_MASK);
|
||||
}
|
||||
SRA {
|
||||
encoding: b0100000 | rs2[4:0] | rs1[4:0] | b101 | rd[4:0] | b0110011;
|
||||
args_disass:"x%rd$d, x%rs1$d, x%rs2$d";
|
||||
if(rd != 0) X[rd] <= shra(X[rs1], X[rs2]&XLEN_BIT_MASK);
|
||||
}
|
||||
OR {
|
||||
encoding: b0000000 | rs2[4:0] | rs1[4:0] | b110 | rd[4:0] | b0110011;
|
||||
args_disass:"x%rd$d, x%rs1$d, x%rs2$d";
|
||||
if(rd != 0) X[rd] <= X[rs1] | X[rs2];
|
||||
}
|
||||
AND {
|
||||
encoding: b0000000 | rs2[4:0] | rs1[4:0] | b111 | rd[4:0] | b0110011;
|
||||
args_disass:"x%rd$d, x%rs1$d, x%rs2$d";
|
||||
if(rd != 0) X[rd] <= X[rs1] & X[rs2];
|
||||
}
|
||||
FENCE {
|
||||
encoding: b0000 | pred[3:0] | succ[3:0] | rs1[4:0] | b000 | rd[4:0] | b0001111;
|
||||
FENCE[fence] <= pred<<4 | succ;
|
||||
}
|
||||
FENCE_I(flush) {
|
||||
encoding: imm[11:0] | rs1[4:0] | b001 | rd[4:0] | b0001111 ;
|
||||
FENCE[fencei] <= imm;
|
||||
}
|
||||
ECALL(no_cont) {
|
||||
encoding: b000000000000 | b00000 | b000 | b00000 | b1110011;
|
||||
raise(0, 11);
|
||||
}
|
||||
EBREAK(no_cont) {
|
||||
encoding: b000000000001 | b00000 | b000 | b00000 | b1110011;
|
||||
raise(0, 3);
|
||||
}
|
||||
URET(no_cont) {
|
||||
encoding: b0000000 | b00010 | b00000 | b000 | b00000 | b1110011;
|
||||
leave(0);
|
||||
}
|
||||
SRET(no_cont) {
|
||||
encoding: b0001000 | b00010 | b00000 | b000 | b00000 | b1110011;
|
||||
leave(1);
|
||||
}
|
||||
MRET(no_cont) {
|
||||
encoding: b0011000 | b00010 | b00000 | b000 | b00000 | b1110011;
|
||||
leave(3);
|
||||
}
|
||||
WFI {
|
||||
encoding: b0001000 | b00101 | b00000 | b000 | b00000 | b1110011;
|
||||
wait(1);
|
||||
}
|
||||
SFENCE.VMA {
|
||||
encoding: b0001001 | rs2[4:0] | rs1[4:0] | b000 | b00000 | b1110011;
|
||||
FENCE[fencevmal] <= rs1;
|
||||
FENCE[fencevmau] <= rs2;
|
||||
}
|
||||
CSRRW {
|
||||
encoding: csr[11:0] | rs1[4:0] | b001 | rd[4:0] | b1110011;
|
||||
args_disass:"x%rd$d, %csr$d, x%rs1$d";
|
||||
val rs_val[XLEN] <= X[rs1];
|
||||
if(rd!=0){
|
||||
val csr_val[XLEN] <= CSR[csr];
|
||||
if(rd!=0){
|
||||
val csr_val[XLEN] <= CSR[csr];
|
||||
CSR[csr] <= rs_val;
|
||||
// make sure Xrd is updated once CSR write succeeds
|
||||
X[rd] <= csr_val;
|
||||
} else {
|
||||
CSR[csr] <= rs_val;
|
||||
}
|
||||
}
|
||||
CSRRS {
|
||||
encoding: csr[11:0] | rs1[4:0] | b010 | rd[4:0] | b1110011;
|
||||
args_disass:"x%rd$d, %csr$d, x%rs1$d";
|
||||
val xrd[XLEN] <= CSR[csr];
|
||||
val xrs1[XLEN] <= X[rs1];
|
||||
if(rd!=0) X[rd] <= xrd;
|
||||
if(rs1!=0) CSR[csr] <= xrd | xrs1;
|
||||
}
|
||||
CSRRC {
|
||||
encoding: csr[11:0] | rs1[4:0] | b011 | rd[4:0] | b1110011;
|
||||
args_disass:"x%rd$d, %csr$d, x%rs1$d";
|
||||
val xrd[XLEN] <= CSR[csr];
|
||||
val xrs1[XLEN] <= X[rs1];
|
||||
if(rd!=0) X[rd] <= xrd;
|
||||
if(rs1!=0) CSR[csr] <= xrd & ~xrs1;
|
||||
}
|
||||
CSRRWI {
|
||||
encoding: csr[11:0] | zimm[4:0] | b101 | rd[4:0] | b1110011;
|
||||
args_disass:"x%rd$d, %csr$d, 0x%zimm$x";
|
||||
if(rd!=0) X[rd] <= CSR[csr];
|
||||
CSR[csr] <= zext(zimm);
|
||||
}
|
||||
CSRRSI {
|
||||
encoding: csr[11:0] | zimm[4:0] | b110 | rd[4:0] | b1110011;
|
||||
args_disass:"x%rd$d, %csr$d, 0x%zimm$x";
|
||||
val res[XLEN] <= CSR[csr];
|
||||
if(zimm!=0) CSR[csr] <= res | zext(zimm);
|
||||
// make sure rd is written after csr write succeeds
|
||||
X[rd] <= csr_val;
|
||||
} else {
|
||||
CSR[csr] <= rs_val;
|
||||
}
|
||||
}
|
||||
CSRRS {
|
||||
encoding: csr[11:0] | rs1[4:0] | b010 | rd[4:0] | b1110011;
|
||||
args_disass:"x%rd$d, %csr$d, x%rs1$d";
|
||||
val xrd[XLEN] <= CSR[csr];
|
||||
val xrs1[XLEN] <= X[rs1];
|
||||
if(rd!=0) X[rd] <= xrd;
|
||||
if(rs1!=0) CSR[csr] <= xrd | xrs1;
|
||||
}
|
||||
CSRRC {
|
||||
encoding: csr[11:0] | rs1[4:0] | b011 | rd[4:0] | b1110011;
|
||||
args_disass:"x%rd$d, %csr$d, x%rs1$d";
|
||||
val xrd[XLEN] <= CSR[csr];
|
||||
val xrs1[XLEN] <= X[rs1];
|
||||
if(rd!=0) X[rd] <= xrd;
|
||||
if(rs1!=0) CSR[csr] <= xrd & ~xrs1;
|
||||
}
|
||||
CSRRWI {
|
||||
encoding: csr[11:0] | zimm[4:0] | b101 | rd[4:0] | b1110011;
|
||||
args_disass:"x%rd$d, %csr$d, 0x%zimm$x";
|
||||
if(rd!=0) X[rd] <= CSR[csr];
|
||||
CSR[csr] <= zext(zimm);
|
||||
}
|
||||
CSRRSI {
|
||||
encoding: csr[11:0] | zimm[4:0] | b110 | rd[4:0] | b1110011;
|
||||
args_disass:"x%rd$d, %csr$d, 0x%zimm$x";
|
||||
val res[XLEN] <= CSR[csr];
|
||||
if(zimm!=0) CSR[csr] <= res | zext(zimm);
|
||||
// make sure rd is written after csr write succeeds
|
||||
if(rd!=0) X[rd] <= res;
|
||||
}
|
||||
CSRRCI {
|
||||
encoding: csr[11:0] | zimm[4:0] | b111 | rd[4:0] | b1110011;
|
||||
args_disass:"x%rd$d, %csr$d, 0x%zimm$x";
|
||||
val res[XLEN] <= CSR[csr];
|
||||
if(rd!=0) X[rd] <= res;
|
||||
if(zimm!=0) CSR[csr] <= res & ~zext(zimm, XLEN);
|
||||
}
|
||||
}
|
||||
}
|
||||
CSRRCI {
|
||||
encoding: csr[11:0] | zimm[4:0] | b111 | rd[4:0] | b1110011;
|
||||
args_disass:"x%rd$d, %csr$d, 0x%zimm$x";
|
||||
val res[XLEN] <= CSR[csr];
|
||||
if(rd!=0) X[rd] <= res;
|
||||
if(zimm!=0) CSR[csr] <= res & ~zext(zimm, XLEN);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
@ -1,97 +1,97 @@
|
||||
import "RV32IBase.core_desc"
|
||||
|
||||
InsructionSet RV32M extends RV32IBase {
|
||||
constants {
|
||||
MAXLEN:=128
|
||||
}
|
||||
instructions{
|
||||
MUL{
|
||||
encoding: b0000001 | rs2[4:0] | rs1[4:0] | b000 | rd[4:0] | b0110011;
|
||||
args_disass:"x%rd$d, x%rs1$d, x%rs2$d";
|
||||
if(rd != 0){
|
||||
val res[MAXLEN] <= zext(X[rs1], MAXLEN) * zext(X[rs2], MAXLEN);
|
||||
X[rd]<= zext(res , XLEN);
|
||||
}
|
||||
}
|
||||
MULH {
|
||||
encoding: b0000001 | rs2[4:0] | rs1[4:0] | b001 | rd[4:0] | b0110011;
|
||||
args_disass:"x%rd$d, x%rs1$d, x%rs2$d";
|
||||
if(rd != 0){
|
||||
val res[MAXLEN] <= sext(X[rs1], MAXLEN) * sext(X[rs2], MAXLEN);
|
||||
constants {
|
||||
MAXLEN:=128
|
||||
}
|
||||
instructions{
|
||||
MUL{
|
||||
encoding: b0000001 | rs2[4:0] | rs1[4:0] | b000 | rd[4:0] | b0110011;
|
||||
args_disass:"x%rd$d, x%rs1$d, x%rs2$d";
|
||||
if(rd != 0){
|
||||
val res[MAXLEN] <= zext(X[rs1], MAXLEN) * zext(X[rs2], MAXLEN);
|
||||
X[rd]<= zext(res , XLEN);
|
||||
}
|
||||
}
|
||||
MULH {
|
||||
encoding: b0000001 | rs2[4:0] | rs1[4:0] | b001 | rd[4:0] | b0110011;
|
||||
args_disass:"x%rd$d, x%rs1$d, x%rs2$d";
|
||||
if(rd != 0){
|
||||
val res[MAXLEN] <= sext(X[rs1], MAXLEN) * sext(X[rs2], MAXLEN);
|
||||
X[rd]<= zext(res >> XLEN, XLEN);
|
||||
}
|
||||
}
|
||||
MULHSU {
|
||||
encoding: b0000001 | rs2[4:0] | rs1[4:0] | b010 | rd[4:0] | b0110011;
|
||||
args_disass:"x%rd$d, x%rs1$d, x%rs2$d";
|
||||
if(rd != 0){
|
||||
}
|
||||
}
|
||||
MULHSU {
|
||||
encoding: b0000001 | rs2[4:0] | rs1[4:0] | b010 | rd[4:0] | b0110011;
|
||||
args_disass:"x%rd$d, x%rs1$d, x%rs2$d";
|
||||
if(rd != 0){
|
||||
val res[MAXLEN] <= sext(X[rs1], MAXLEN) * zext(X[rs2], MAXLEN);
|
||||
X[rd]<= zext(res >> XLEN, XLEN);
|
||||
}
|
||||
}
|
||||
MULHU {
|
||||
encoding: b0000001 | rs2[4:0] | rs1[4:0] | b011 | rd[4:0] | b0110011;
|
||||
args_disass:"x%rd$d, x%rs1$d, x%rs2$d";
|
||||
if(rd != 0){
|
||||
}
|
||||
}
|
||||
MULHU {
|
||||
encoding: b0000001 | rs2[4:0] | rs1[4:0] | b011 | rd[4:0] | b0110011;
|
||||
args_disass:"x%rd$d, x%rs1$d, x%rs2$d";
|
||||
if(rd != 0){
|
||||
val res[MAXLEN] <= zext(X[rs1], MAXLEN) * zext(X[rs2], MAXLEN);
|
||||
X[rd]<= zext(res >> XLEN, XLEN);
|
||||
}
|
||||
}
|
||||
DIV {
|
||||
encoding: b0000001 | rs2[4:0] | rs1[4:0] | b100 | rd[4:0] | b0110011;
|
||||
args_disass:"x%rd$d, x%rs1$d, x%rs2$d";
|
||||
if(rd != 0){
|
||||
if(X[rs2]!=0){
|
||||
val M1[XLEN] <= -1;
|
||||
val MMIN[XLEN] <= -1<<(XLEN-1);
|
||||
if(X[rs1]s==MMIN's)
|
||||
if(X[rs2]s==M1's)
|
||||
X[rd]<=MMIN;
|
||||
else
|
||||
X[rd] <= X[rs1]s / X[rs2]s;
|
||||
else
|
||||
X[rd] <= X[rs1]s / X[rs2]s;
|
||||
}else
|
||||
X[rd] <= -1;
|
||||
}
|
||||
}
|
||||
DIVU {
|
||||
encoding: b0000001 | rs2[4:0] | rs1[4:0] | b101 | rd[4:0] | b0110011;
|
||||
args_disass:"x%rd$d, x%rs1$d, x%rs2$d";
|
||||
if(rd != 0){
|
||||
if(X[rs2]!=0)
|
||||
X[rd] <= zext(X[rs1], 32) / zext(X[rs2], 32);
|
||||
else
|
||||
X[rd] <= -1;
|
||||
}
|
||||
}
|
||||
REM {
|
||||
encoding: b0000001 | rs2[4:0] | rs1[4:0] | b110 | rd[4:0] | b0110011;
|
||||
args_disass:"x%rd$d, x%rs1$d, x%rs2$d";
|
||||
if(rd != 0){
|
||||
if(X[rs2]!=0) {
|
||||
val M1[XLEN] <= -1;
|
||||
val MMIN[XLEN] <= -1<<(XLEN-1);
|
||||
if(X[rs1]s==MMIN's)
|
||||
if(X[rs2]s==M1's)
|
||||
X[rd] <= 0;
|
||||
else
|
||||
X[rd] <= sext(X[rs1], 32) % sext(X[rs2], 32);
|
||||
else
|
||||
X[rd] <= sext(X[rs1], 32) % sext(X[rs2], 32);
|
||||
} else
|
||||
X[rd] <= X[rs1];
|
||||
}
|
||||
}
|
||||
REMU {
|
||||
encoding: b0000001 | rs2[4:0] | rs1[4:0] | b111 | rd[4:0] | b0110011;
|
||||
args_disass:"x%rd$d, x%rs1$d, x%rs2$d";
|
||||
if(rd != 0){
|
||||
if(X[rs2]!=0)
|
||||
X[rd] <= zext(X[rs1], 32) % zext(X[rs2], 32);
|
||||
else
|
||||
X[rd] <= X[rs1];
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
DIV {
|
||||
encoding: b0000001 | rs2[4:0] | rs1[4:0] | b100 | rd[4:0] | b0110011;
|
||||
args_disass:"x%rd$d, x%rs1$d, x%rs2$d";
|
||||
if(rd != 0){
|
||||
if(X[rs2]!=0){
|
||||
val M1[XLEN] <= -1;
|
||||
val MMIN[XLEN] <= -1<<(XLEN-1);
|
||||
if(X[rs1]s==MMIN's)
|
||||
if(X[rs2]s==M1's)
|
||||
X[rd]<=MMIN;
|
||||
else
|
||||
X[rd] <= X[rs1]s / X[rs2]s;
|
||||
else
|
||||
X[rd] <= X[rs1]s / X[rs2]s;
|
||||
}else
|
||||
X[rd] <= -1;
|
||||
}
|
||||
}
|
||||
DIVU {
|
||||
encoding: b0000001 | rs2[4:0] | rs1[4:0] | b101 | rd[4:0] | b0110011;
|
||||
args_disass:"x%rd$d, x%rs1$d, x%rs2$d";
|
||||
if(rd != 0){
|
||||
if(X[rs2]!=0)
|
||||
X[rd] <= zext(X[rs1], 32) / zext(X[rs2], 32);
|
||||
else
|
||||
X[rd] <= -1;
|
||||
}
|
||||
}
|
||||
REM {
|
||||
encoding: b0000001 | rs2[4:0] | rs1[4:0] | b110 | rd[4:0] | b0110011;
|
||||
args_disass:"x%rd$d, x%rs1$d, x%rs2$d";
|
||||
if(rd != 0){
|
||||
if(X[rs2]!=0) {
|
||||
val M1[XLEN] <= -1;
|
||||
val MMIN[XLEN] <= -1<<(XLEN-1);
|
||||
if(X[rs1]s==MMIN's)
|
||||
if(X[rs2]s==M1's)
|
||||
X[rd] <= 0;
|
||||
else
|
||||
X[rd] <= sext(X[rs1], 32) % sext(X[rs2], 32);
|
||||
else
|
||||
X[rd] <= sext(X[rs1], 32) % sext(X[rs2], 32);
|
||||
} else
|
||||
X[rd] <= X[rs1];
|
||||
}
|
||||
}
|
||||
REMU {
|
||||
encoding: b0000001 | rs2[4:0] | rs1[4:0] | b111 | rd[4:0] | b0110011;
|
||||
args_disass:"x%rd$d, x%rs1$d, x%rs2$d";
|
||||
if(rd != 0){
|
||||
if(X[rs2]!=0)
|
||||
X[rd] <= zext(X[rs1], 32) % zext(X[rs2], 32);
|
||||
else
|
||||
X[rd] <= X[rs1];
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -2,111 +2,111 @@ import "RV64IBase.core_desc"
|
||||
import "RV32A.core_desc"
|
||||
|
||||
InsructionSet RV64A extends RV64IBase {
|
||||
|
||||
address_spaces {
|
||||
RES[8]
|
||||
}
|
||||
|
||||
instructions{
|
||||
LR.D {
|
||||
encoding: b00010 | aq[0:0] | rl[0:0] | b00000 | rs1[4:0] | b011 | rd[4:0] | b0101111;
|
||||
args_disass: "x%rd$d, x%rs1$d";
|
||||
if(rd!=0){
|
||||
val offs[XLEN] <= X[rs1];
|
||||
X[rd]<= sext(MEM[offs]{64}, XLEN);
|
||||
RES[offs]{64}<=sext(-1, 64);
|
||||
}
|
||||
}
|
||||
SC.D {
|
||||
encoding: b00011 | aq[0:0] | rl[0:0] | rs2[4:0] | rs1[4:0] | b011 | rd[4:0] | b0101111;
|
||||
args_disass: "x%rd$d, x%rs1$d, x%rs2$d";
|
||||
val offs[XLEN] <= X[rs1];
|
||||
val res[64] <= RES[offs];
|
||||
if(res!=0){
|
||||
MEM[offs]{64} <= X[rs2];
|
||||
if(rd!=0) X[rd]<=0;
|
||||
} else{
|
||||
if(rd!=0) X[rd]<= 1;
|
||||
}
|
||||
}
|
||||
AMOSWAP.D{
|
||||
encoding: b00001 | aq[0:0] | rl[0:0] | rs2[4:0] | rs1[4:0] | b011 | rd[4:0] | b0101111;
|
||||
args_disass: "x%rd$d, x%rs1$d, x%rs2$d (aqu=%a,rel=%rl)";
|
||||
val offs[XLEN] <= X[rs1];
|
||||
if(rd!=0) X[rd] <= sext(MEM[offs]{64});
|
||||
MEM[offs]{64} <= X[rs2];
|
||||
}
|
||||
AMOADD.D{
|
||||
encoding: b00000 | aq[0:0] | rl[0:0] | rs2[4:0] | rs1[4:0] | b011 | rd[4:0] | b0101111;
|
||||
args_disass: "x%rd$d, x%rs1$d, x%rs2$d (aqu=%a,rel=%rl)";
|
||||
val offs[XLEN] <= X[rs1];
|
||||
val res[XLEN] <= sext(MEM[offs]{64});
|
||||
if(rd!=0) X[rd]<=res;
|
||||
val res2[XLEN] <= res + X[rs2];
|
||||
MEM[offs]{64}<=res2;
|
||||
}
|
||||
AMOXOR.D{
|
||||
encoding: b00100 | aq[0:0] | rl[0:0] | rs2[4:0] | rs1[4:0] | b011 | rd[4:0] | b0101111;
|
||||
args_disass: "x%rd$d, x%rs1$d, x%rs2$d (aqu=%a,rel=%rl)";
|
||||
val offs[XLEN] <= X[rs1];
|
||||
val res[XLEN] <= sext(MEM[offs]{64});
|
||||
if(rd!=0) X[rd] <= res;
|
||||
val res2[XLEN] <= res ^ X[rs2];
|
||||
MEM[offs]{64} <= res2;
|
||||
}
|
||||
AMOAND.D{
|
||||
encoding: b01100 | aq[0:0] | rl[0:0] | rs2[4:0] | rs1[4:0] | b011 | rd[4:0] | b0101111;
|
||||
args_disass: "x%rd$d, x%rs1$d, x%rs2$d (aqu=%a,rel=%rl)";
|
||||
val offs[XLEN] <= X[rs1];
|
||||
val res[XLEN] <= sext(MEM[offs]{64});
|
||||
if(rd!=0) X[rd] <= res;
|
||||
val res2[XLEN] <= res & X[rs2];
|
||||
MEM[offs]{64} <= res2;
|
||||
}
|
||||
AMOOR.D {
|
||||
encoding: b01000 | aq[0:0] | rl[0:0] | rs2[4:0] | rs1[4:0] | b011 | rd[4:0] | b0101111;
|
||||
args_disass: "x%rd$d, x%rs1$d, x%rs2$d (aqu=%a,rel=%rl)";
|
||||
val offs[XLEN] <= X[rs1];
|
||||
val res[XLEN] <= sext(MEM[offs]{64});
|
||||
if(rd!=0) X[rd] <= res;
|
||||
val res2[XLEN] <= res | X[rs2];
|
||||
MEM[offs]{64} <= res2;
|
||||
}
|
||||
AMOMIN.D{
|
||||
encoding: b10000 | aq[0:0] | rl[0:0] | rs2[4:0] | rs1[4:0] | b011 | rd[4:0] | b0101111;
|
||||
args_disass: "x%rd$d, x%rs1$d, x%rs2$d (aqu=%a,rel=%rl)";
|
||||
val offs[XLEN] <= X[rs1];
|
||||
val res[XLEN] <= sext(MEM[offs]{64});
|
||||
if(rd!=0) X[rd] <= res;
|
||||
val res2[XLEN] <= choose(res s > X[rs2]s, X[rs2], res);
|
||||
MEM[offs]{64} <= res;
|
||||
}
|
||||
AMOMAX.D{
|
||||
encoding: b10100 | aq[0:0] | rl[0:0] | rs2[4:0] | rs1[4:0] | b011 | rd[4:0] | b0101111;
|
||||
args_disass: "x%rd$d, x%rs1$d, x%rs2$d (aqu=%a,rel=%rl)";
|
||||
val offs[XLEN] <= X[rs1];
|
||||
val res[XLEN] <= sext(MEM[offs]{64});
|
||||
if(rd!=0) X[rd] <= res;
|
||||
val res2[XLEN] <= choose(res s < X[rs2]s, X[rs2], res);
|
||||
MEM[offs]{64} <= res2;
|
||||
}
|
||||
AMOMINU.D{
|
||||
encoding: b11000 | aq[0:0] | rl[0:0] | rs2[4:0] | rs1[4:0] | b011 | rd[4:0] | b0101111;
|
||||
args_disass: "x%rd$d, x%rs1$d, x%rs2$d (aqu=%a,rel=%rl)";
|
||||
val offs[XLEN] <= X[rs1];
|
||||
val res[XLEN] <= zext(MEM[offs]{64});
|
||||
if(rd!=0) X[rd] <= res;
|
||||
val res2[XLEN] <= choose(res > X[rs2], X[rs2], res);
|
||||
MEM[offs]{64} <= res2;
|
||||
}
|
||||
AMOMAXU.D{
|
||||
encoding: b11100 | aq[0:0] | rl[0:0] | rs2[4:0] | rs1[4:0] | b011 | rd[4:0] | b0101111;
|
||||
args_disass: "x%rd$d, x%rs1$d, x%rs2$d (aqu=%a,rel=%rl)";
|
||||
val offs[XLEN] <= X[rs1];
|
||||
val res[XLEN] <= zext(MEM[offs]{64});
|
||||
if(rd!=0) X[rd] <= res;
|
||||
val res2[XLEN] <= choose(res < X[rs2], X[rs2], res);
|
||||
MEM[offs]{64} <= res2;
|
||||
}
|
||||
}
|
||||
|
||||
address_spaces {
|
||||
RES[8]
|
||||
}
|
||||
|
||||
instructions{
|
||||
LR.D {
|
||||
encoding: b00010 | aq[0:0] | rl[0:0] | b00000 | rs1[4:0] | b011 | rd[4:0] | b0101111;
|
||||
args_disass: "x%rd$d, x%rs1$d";
|
||||
if(rd!=0){
|
||||
val offs[XLEN] <= X[rs1];
|
||||
X[rd]<= sext(MEM[offs]{64}, XLEN);
|
||||
RES[offs]{64}<=sext(-1, 64);
|
||||
}
|
||||
}
|
||||
SC.D {
|
||||
encoding: b00011 | aq[0:0] | rl[0:0] | rs2[4:0] | rs1[4:0] | b011 | rd[4:0] | b0101111;
|
||||
args_disass: "x%rd$d, x%rs1$d, x%rs2$d";
|
||||
val offs[XLEN] <= X[rs1];
|
||||
val res[64] <= RES[offs];
|
||||
if(res!=0){
|
||||
MEM[offs]{64} <= X[rs2];
|
||||
if(rd!=0) X[rd]<=0;
|
||||
} else{
|
||||
if(rd!=0) X[rd]<= 1;
|
||||
}
|
||||
}
|
||||
AMOSWAP.D{
|
||||
encoding: b00001 | aq[0:0] | rl[0:0] | rs2[4:0] | rs1[4:0] | b011 | rd[4:0] | b0101111;
|
||||
args_disass: "x%rd$d, x%rs1$d, x%rs2$d (aqu=%a,rel=%rl)";
|
||||
val offs[XLEN] <= X[rs1];
|
||||
if(rd!=0) X[rd] <= sext(MEM[offs]{64});
|
||||
MEM[offs]{64} <= X[rs2];
|
||||
}
|
||||
AMOADD.D{
|
||||
encoding: b00000 | aq[0:0] | rl[0:0] | rs2[4:0] | rs1[4:0] | b011 | rd[4:0] | b0101111;
|
||||
args_disass: "x%rd$d, x%rs1$d, x%rs2$d (aqu=%a,rel=%rl)";
|
||||
val offs[XLEN] <= X[rs1];
|
||||
val res[XLEN] <= sext(MEM[offs]{64});
|
||||
if(rd!=0) X[rd]<=res;
|
||||
val res2[XLEN] <= res + X[rs2];
|
||||
MEM[offs]{64}<=res2;
|
||||
}
|
||||
AMOXOR.D{
|
||||
encoding: b00100 | aq[0:0] | rl[0:0] | rs2[4:0] | rs1[4:0] | b011 | rd[4:0] | b0101111;
|
||||
args_disass: "x%rd$d, x%rs1$d, x%rs2$d (aqu=%a,rel=%rl)";
|
||||
val offs[XLEN] <= X[rs1];
|
||||
val res[XLEN] <= sext(MEM[offs]{64});
|
||||
if(rd!=0) X[rd] <= res;
|
||||
val res2[XLEN] <= res ^ X[rs2];
|
||||
MEM[offs]{64} <= res2;
|
||||
}
|
||||
AMOAND.D{
|
||||
encoding: b01100 | aq[0:0] | rl[0:0] | rs2[4:0] | rs1[4:0] | b011 | rd[4:0] | b0101111;
|
||||
args_disass: "x%rd$d, x%rs1$d, x%rs2$d (aqu=%a,rel=%rl)";
|
||||
val offs[XLEN] <= X[rs1];
|
||||
val res[XLEN] <= sext(MEM[offs]{64});
|
||||
if(rd!=0) X[rd] <= res;
|
||||
val res2[XLEN] <= res & X[rs2];
|
||||
MEM[offs]{64} <= res2;
|
||||
}
|
||||
AMOOR.D {
|
||||
encoding: b01000 | aq[0:0] | rl[0:0] | rs2[4:0] | rs1[4:0] | b011 | rd[4:0] | b0101111;
|
||||
args_disass: "x%rd$d, x%rs1$d, x%rs2$d (aqu=%a,rel=%rl)";
|
||||
val offs[XLEN] <= X[rs1];
|
||||
val res[XLEN] <= sext(MEM[offs]{64});
|
||||
if(rd!=0) X[rd] <= res;
|
||||
val res2[XLEN] <= res | X[rs2];
|
||||
MEM[offs]{64} <= res2;
|
||||
}
|
||||
AMOMIN.D{
|
||||
encoding: b10000 | aq[0:0] | rl[0:0] | rs2[4:0] | rs1[4:0] | b011 | rd[4:0] | b0101111;
|
||||
args_disass: "x%rd$d, x%rs1$d, x%rs2$d (aqu=%a,rel=%rl)";
|
||||
val offs[XLEN] <= X[rs1];
|
||||
val res[XLEN] <= sext(MEM[offs]{64});
|
||||
if(rd!=0) X[rd] <= res;
|
||||
val res2[XLEN] <= choose(res s > X[rs2]s, X[rs2], res);
|
||||
MEM[offs]{64} <= res;
|
||||
}
|
||||
AMOMAX.D{
|
||||
encoding: b10100 | aq[0:0] | rl[0:0] | rs2[4:0] | rs1[4:0] | b011 | rd[4:0] | b0101111;
|
||||
args_disass: "x%rd$d, x%rs1$d, x%rs2$d (aqu=%a,rel=%rl)";
|
||||
val offs[XLEN] <= X[rs1];
|
||||
val res[XLEN] <= sext(MEM[offs]{64});
|
||||
if(rd!=0) X[rd] <= res;
|
||||
val res2[XLEN] <= choose(res s < X[rs2]s, X[rs2], res);
|
||||
MEM[offs]{64} <= res2;
|
||||
}
|
||||
AMOMINU.D{
|
||||
encoding: b11000 | aq[0:0] | rl[0:0] | rs2[4:0] | rs1[4:0] | b011 | rd[4:0] | b0101111;
|
||||
args_disass: "x%rd$d, x%rs1$d, x%rs2$d (aqu=%a,rel=%rl)";
|
||||
val offs[XLEN] <= X[rs1];
|
||||
val res[XLEN] <= zext(MEM[offs]{64});
|
||||
if(rd!=0) X[rd] <= res;
|
||||
val res2[XLEN] <= choose(res > X[rs2], X[rs2], res);
|
||||
MEM[offs]{64} <= res2;
|
||||
}
|
||||
AMOMAXU.D{
|
||||
encoding: b11100 | aq[0:0] | rl[0:0] | rs2[4:0] | rs1[4:0] | b011 | rd[4:0] | b0101111;
|
||||
args_disass: "x%rd$d, x%rs1$d, x%rs2$d (aqu=%a,rel=%rl)";
|
||||
val offs[XLEN] <= X[rs1];
|
||||
val res[XLEN] <= zext(MEM[offs]{64});
|
||||
if(rd!=0) X[rd] <= res;
|
||||
val res2[XLEN] <= choose(res < X[rs2], X[rs2], res);
|
||||
MEM[offs]{64} <= res2;
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -1,116 +1,116 @@
|
||||
import "RV32IBase.core_desc"
|
||||
|
||||
InsructionSet RV64IBase extends RV32IBase {
|
||||
instructions{
|
||||
LWU { // 80000104: 0000ef03 lwu t5,0(ra)
|
||||
encoding: imm[11:0]s | rs1[4:0] | b110 | rd[4:0] | b0000011;
|
||||
args_disass:"x%rd$d, %imm%(x%rs1$d)";
|
||||
val offs[XLEN] <= X[rs1]+imm;
|
||||
if(rd!=0) X[rd]<=zext(MEM[offs]{32});
|
||||
}
|
||||
LD{
|
||||
encoding: imm[11:0]s | rs1[4:0] | b011 | rd[4:0] | b0000011;
|
||||
args_disass:"x%rd$d, %imm%(x%rs1$d)";
|
||||
val offs[XLEN] <= X[rs1]+imm;
|
||||
if(rd!=0) X[rd]<=sext(MEM[offs]{64});
|
||||
}
|
||||
SD{
|
||||
encoding: imm[11:5]s | rs2[4:0] | rs1[4:0] | b011 | imm[4:0]s | b0100011;
|
||||
args_disass:"x%rs2$d, %imm%(x%rs1$d)";
|
||||
val offs[XLEN] <= X[rs1] + imm;
|
||||
MEM[offs]{64} <= X[rs2];
|
||||
}
|
||||
SLLI {
|
||||
encoding: b000000 | shamt[5:0] | rs1[4:0] | b001 | rd[4:0] | b0010011;
|
||||
args_disass:"x%rd$d, x%rs1$d, %shamt%";
|
||||
if(rd != 0) X[rd] <= shll(X[rs1], shamt);
|
||||
}
|
||||
SRLI {
|
||||
encoding: b000000 | shamt[5:0] | rs1[4:0] | b101 | rd[4:0] | b0010011;
|
||||
args_disass:"x%rd$d, x%rs1$d, %shamt%";
|
||||
if(rd != 0) X[rd] <= shrl(X[rs1], shamt);
|
||||
}
|
||||
SRAI {
|
||||
encoding: b010000 | shamt[5:0] | rs1[4:0] | b101 | rd[4:0] | b0010011;
|
||||
args_disass:"x%rd$d, x%rs1$d, %shamt%";
|
||||
if(rd != 0) X[rd] <= shra(X[rs1], shamt);
|
||||
}
|
||||
ADDIW {
|
||||
encoding: imm[11:0]s | rs1[4:0] | b000 | rd[4:0] | b0011011;
|
||||
args_disass:"x%rd$d, x%rs1$d, %imm%";
|
||||
if(rd != 0){
|
||||
val res[32] <= X[rs1]{32} + imm;
|
||||
X[rd] <= sext(res);
|
||||
}
|
||||
}
|
||||
SLLIW {
|
||||
encoding: b0000000 | shamt[4:0] | rs1[4:0] | b001 | rd[4:0] | b0011011;
|
||||
args_disass:"x%rd$d, x%rs1$d, %shamt%";
|
||||
if(rd != 0){
|
||||
val sh_val[32] <= shll(X[rs1]{32}, shamt);
|
||||
X[rd] <= sext(sh_val);
|
||||
}
|
||||
}
|
||||
SRLIW {
|
||||
encoding: b0000000 | shamt[4:0] | rs1[4:0] | b101 | rd[4:0] | b0011011;
|
||||
args_disass:"x%rd$d, x%rs1$d, %shamt%";
|
||||
if(rd != 0){
|
||||
val sh_val[32] <= shrl(X[rs1]{32}, shamt);
|
||||
X[rd] <= sext(sh_val);
|
||||
}
|
||||
}
|
||||
SRAIW {
|
||||
encoding: b0100000 | shamt[4:0] | rs1[4:0] | b101 | rd[4:0] | b0011011;
|
||||
args_disass:"x%rd$d, x%rs1$d, %shamt%";
|
||||
if(rd != 0){
|
||||
val sh_val[32] <= shra(X[rs1]{32}, shamt);
|
||||
X[rd] <= sext(sh_val);
|
||||
}
|
||||
}
|
||||
ADDW {
|
||||
encoding: b0000000 | rs2[4:0] | rs1[4:0] | b000 | rd[4:0] | b0111011;
|
||||
if(rd != 0){
|
||||
val res[32] <= X[rs1]{32} + X[rs2]{32};
|
||||
X[rd] <= sext(res);
|
||||
}
|
||||
}
|
||||
SUBW {
|
||||
encoding: b0100000 | rs2[4:0] | rs1[4:0] | b000 | rd[4:0] | b0111011;
|
||||
if(rd != 0){
|
||||
val res[32] <= X[rs1]{32} - X[rs2]{32};
|
||||
X[rd] <= sext(res);
|
||||
}
|
||||
}
|
||||
SLLW {
|
||||
encoding: b0000000 | rs2[4:0] | rs1[4:0] | b001 | rd[4:0] | b0111011;
|
||||
args_disass:"x%rd$d, x%rs1$d, x%rs2$d";
|
||||
if(rd != 0){
|
||||
val mask[32] <= 0x1f;
|
||||
val count[32] <= X[rs2]{32} & mask;
|
||||
val sh_val[32] <= shll(X[rs1]{32}, count);
|
||||
X[rd] <= sext(sh_val);
|
||||
}
|
||||
}
|
||||
SRLW {
|
||||
encoding: b0000000 | rs2[4:0] | rs1[4:0] | b101 | rd[4:0] | b0111011;
|
||||
args_disass:"x%rd$d, x%rs1$d, x%rs2$d";
|
||||
if(rd != 0){
|
||||
instructions{
|
||||
LWU { // 80000104: 0000ef03 lwu t5,0(ra)
|
||||
encoding: imm[11:0]s | rs1[4:0] | b110 | rd[4:0] | b0000011;
|
||||
args_disass:"x%rd$d, %imm%(x%rs1$d)";
|
||||
val offs[XLEN] <= X[rs1]+imm;
|
||||
if(rd!=0) X[rd]<=zext(MEM[offs]{32});
|
||||
}
|
||||
LD{
|
||||
encoding: imm[11:0]s | rs1[4:0] | b011 | rd[4:0] | b0000011;
|
||||
args_disass:"x%rd$d, %imm%(x%rs1$d)";
|
||||
val offs[XLEN] <= X[rs1]+imm;
|
||||
if(rd!=0) X[rd]<=sext(MEM[offs]{64});
|
||||
}
|
||||
SD{
|
||||
encoding: imm[11:5]s | rs2[4:0] | rs1[4:0] | b011 | imm[4:0]s | b0100011;
|
||||
args_disass:"x%rs2$d, %imm%(x%rs1$d)";
|
||||
val offs[XLEN] <= X[rs1] + imm;
|
||||
MEM[offs]{64} <= X[rs2];
|
||||
}
|
||||
SLLI {
|
||||
encoding: b000000 | shamt[5:0] | rs1[4:0] | b001 | rd[4:0] | b0010011;
|
||||
args_disass:"x%rd$d, x%rs1$d, %shamt%";
|
||||
if(rd != 0) X[rd] <= shll(X[rs1], shamt);
|
||||
}
|
||||
SRLI {
|
||||
encoding: b000000 | shamt[5:0] | rs1[4:0] | b101 | rd[4:0] | b0010011;
|
||||
args_disass:"x%rd$d, x%rs1$d, %shamt%";
|
||||
if(rd != 0) X[rd] <= shrl(X[rs1], shamt);
|
||||
}
|
||||
SRAI {
|
||||
encoding: b010000 | shamt[5:0] | rs1[4:0] | b101 | rd[4:0] | b0010011;
|
||||
args_disass:"x%rd$d, x%rs1$d, %shamt%";
|
||||
if(rd != 0) X[rd] <= shra(X[rs1], shamt);
|
||||
}
|
||||
ADDIW {
|
||||
encoding: imm[11:0]s | rs1[4:0] | b000 | rd[4:0] | b0011011;
|
||||
args_disass:"x%rd$d, x%rs1$d, %imm%";
|
||||
if(rd != 0){
|
||||
val res[32] <= X[rs1]{32} + imm;
|
||||
X[rd] <= sext(res);
|
||||
}
|
||||
}
|
||||
SLLIW {
|
||||
encoding: b0000000 | shamt[4:0] | rs1[4:0] | b001 | rd[4:0] | b0011011;
|
||||
args_disass:"x%rd$d, x%rs1$d, %shamt%";
|
||||
if(rd != 0){
|
||||
val sh_val[32] <= shll(X[rs1]{32}, shamt);
|
||||
X[rd] <= sext(sh_val);
|
||||
}
|
||||
}
|
||||
SRLIW {
|
||||
encoding: b0000000 | shamt[4:0] | rs1[4:0] | b101 | rd[4:0] | b0011011;
|
||||
args_disass:"x%rd$d, x%rs1$d, %shamt%";
|
||||
if(rd != 0){
|
||||
val sh_val[32] <= shrl(X[rs1]{32}, shamt);
|
||||
X[rd] <= sext(sh_val);
|
||||
}
|
||||
}
|
||||
SRAIW {
|
||||
encoding: b0100000 | shamt[4:0] | rs1[4:0] | b101 | rd[4:0] | b0011011;
|
||||
args_disass:"x%rd$d, x%rs1$d, %shamt%";
|
||||
if(rd != 0){
|
||||
val sh_val[32] <= shra(X[rs1]{32}, shamt);
|
||||
X[rd] <= sext(sh_val);
|
||||
}
|
||||
}
|
||||
ADDW {
|
||||
encoding: b0000000 | rs2[4:0] | rs1[4:0] | b000 | rd[4:0] | b0111011;
|
||||
if(rd != 0){
|
||||
val res[32] <= X[rs1]{32} + X[rs2]{32};
|
||||
X[rd] <= sext(res);
|
||||
}
|
||||
}
|
||||
SUBW {
|
||||
encoding: b0100000 | rs2[4:0] | rs1[4:0] | b000 | rd[4:0] | b0111011;
|
||||
if(rd != 0){
|
||||
val res[32] <= X[rs1]{32} - X[rs2]{32};
|
||||
X[rd] <= sext(res);
|
||||
}
|
||||
}
|
||||
SLLW {
|
||||
encoding: b0000000 | rs2[4:0] | rs1[4:0] | b001 | rd[4:0] | b0111011;
|
||||
args_disass:"x%rd$d, x%rs1$d, x%rs2$d";
|
||||
if(rd != 0){
|
||||
val mask[32] <= 0x1f;
|
||||
val count[32] <= X[rs2]{32} & mask;
|
||||
val sh_val[32] <= shrl(X[rs1]{32}, count);
|
||||
X[rd] <= sext(sh_val);
|
||||
}
|
||||
}
|
||||
SRAW {
|
||||
encoding: b0100000 | rs2[4:0] | rs1[4:0] | b101 | rd[4:0] | b0111011;
|
||||
args_disass:"x%rd$d, x%rs1$d, x%rs2$d";
|
||||
if(rd != 0){
|
||||
val sh_val[32] <= shll(X[rs1]{32}, count);
|
||||
X[rd] <= sext(sh_val);
|
||||
}
|
||||
}
|
||||
SRLW {
|
||||
encoding: b0000000 | rs2[4:0] | rs1[4:0] | b101 | rd[4:0] | b0111011;
|
||||
args_disass:"x%rd$d, x%rs1$d, x%rs2$d";
|
||||
if(rd != 0){
|
||||
val mask[32] <= 0x1f;
|
||||
val count[32] <= X[rs2]{32} & mask;
|
||||
val sh_val[32] <= shra(X[rs1]{32}, count);
|
||||
X[rd] <= sext(sh_val);
|
||||
}
|
||||
}
|
||||
}
|
||||
val sh_val[32] <= shrl(X[rs1]{32}, count);
|
||||
X[rd] <= sext(sh_val);
|
||||
}
|
||||
}
|
||||
SRAW {
|
||||
encoding: b0100000 | rs2[4:0] | rs1[4:0] | b101 | rd[4:0] | b0111011;
|
||||
args_disass:"x%rd$d, x%rs1$d, x%rs2$d";
|
||||
if(rd != 0){
|
||||
val mask[32] <= 0x1f;
|
||||
val count[32] <= X[rs2]{32} & mask;
|
||||
val sh_val[32] <= shra(X[rs1]{32}, count);
|
||||
X[rd] <= sext(sh_val);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
@ -1,41 +1,41 @@
|
||||
import "RV64IBase.core_desc"
|
||||
|
||||
InsructionSet RV64M extends RV64IBase {
|
||||
instructions{
|
||||
MULW{
|
||||
encoding: b0000001 | rs2[4:0] | rs1[4:0] | b000 | rd[4:0] | b0111011;
|
||||
args_disass:"x%rd$d, x%rs1$d, x%rs2$d";
|
||||
if(rd != 0){
|
||||
X[rd]<= X[rs1] * X[rs2];
|
||||
}
|
||||
}
|
||||
DIVW {
|
||||
encoding: b0000001 | rs2[4:0] | rs1[4:0] | b100 | rd[4:0] | b0111011;
|
||||
args_disass:"x%rd$d, x%rs1$d, x%rs2$d";
|
||||
if(rd != 0){
|
||||
X[rd] <= X[rs1]s / X[rs2]s;
|
||||
}
|
||||
}
|
||||
DIVUW {
|
||||
encoding: b0000001 | rs2[4:0] | rs1[4:0] | b101 | rd[4:0] | b0111011;
|
||||
args_disass:"x%rd$d, x%rs1$d, x%rs2$d";
|
||||
if(rd != 0){
|
||||
X[rd] <= X[rs1] / X[rs2];
|
||||
}
|
||||
}
|
||||
REMW {
|
||||
encoding: b0000001 | rs2[4:0] | rs1[4:0] | b110 | rd[4:0] | b0111011;
|
||||
args_disass:"x%rd$d, x%rs1$d, x%rs2$d";
|
||||
if(rd != 0){
|
||||
X[rd] <= X[rs1]s % X[rs2]s;
|
||||
}
|
||||
}
|
||||
REMUW {
|
||||
encoding: b0000001 | rs2[4:0] | rs1[4:0] | b111 | rd[4:0] | b0111011;
|
||||
args_disass:"x%rd$d, x%rs1$d, x%rs2$d";
|
||||
if(rd != 0){
|
||||
X[rd] <= X[rs1] % X[rs2];
|
||||
}
|
||||
}
|
||||
}
|
||||
instructions{
|
||||
MULW{
|
||||
encoding: b0000001 | rs2[4:0] | rs1[4:0] | b000 | rd[4:0] | b0111011;
|
||||
args_disass:"x%rd$d, x%rs1$d, x%rs2$d";
|
||||
if(rd != 0){
|
||||
X[rd]<= X[rs1] * X[rs2];
|
||||
}
|
||||
}
|
||||
DIVW {
|
||||
encoding: b0000001 | rs2[4:0] | rs1[4:0] | b100 | rd[4:0] | b0111011;
|
||||
args_disass:"x%rd$d, x%rs1$d, x%rs2$d";
|
||||
if(rd != 0){
|
||||
X[rd] <= X[rs1]s / X[rs2]s;
|
||||
}
|
||||
}
|
||||
DIVUW {
|
||||
encoding: b0000001 | rs2[4:0] | rs1[4:0] | b101 | rd[4:0] | b0111011;
|
||||
args_disass:"x%rd$d, x%rs1$d, x%rs2$d";
|
||||
if(rd != 0){
|
||||
X[rd] <= X[rs1] / X[rs2];
|
||||
}
|
||||
}
|
||||
REMW {
|
||||
encoding: b0000001 | rs2[4:0] | rs1[4:0] | b110 | rd[4:0] | b0111011;
|
||||
args_disass:"x%rd$d, x%rs1$d, x%rs2$d";
|
||||
if(rd != 0){
|
||||
X[rd] <= X[rs1]s % X[rs2]s;
|
||||
}
|
||||
}
|
||||
REMUW {
|
||||
encoding: b0000001 | rs2[4:0] | rs1[4:0] | b111 | rd[4:0] | b0111011;
|
||||
args_disass:"x%rd$d, x%rs1$d, x%rs2$d";
|
||||
if(rd != 0){
|
||||
X[rd] <= X[rs1] % X[rs2];
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -8,7 +8,6 @@ import "RV64IBase.core_desc"
|
||||
//import "RV64M.core_desc"
|
||||
import "RV64A.core_desc"
|
||||
|
||||
|
||||
Core RV32IMAC provides RV32IBase, RV32M, RV32A, RV32IC {
|
||||
template:"vm_riscv.in.cpp";
|
||||
constants {
|
||||
@ -17,8 +16,8 @@ Core RV32IMAC provides RV32IBase, RV32M, RV32A, RV32IC {
|
||||
// definitions for the architecture wrapper
|
||||
// XL ZYXWVUTSRQPONMLKJIHGFEDCBA
|
||||
MISA_VAL:=0b01000000000101000001000100000101;
|
||||
PGSIZE := 4096; //1 << 12;
|
||||
PGMASK := 4095; //PGSIZE-1
|
||||
PGSIZE := 0x1000; //1 << 12;
|
||||
PGMASK := 0xfff; //PGSIZE-1
|
||||
}
|
||||
}
|
||||
|
||||
@ -30,8 +29,8 @@ Core RV32GC provides RV32IBase, RV32M, RV32A, RV32IC, RV32F, RV32FC, RV32D, RV32
|
||||
// definitions for the architecture wrapper
|
||||
// XL ZYXWVUTSRQPONMLKJIHGFEDCBA
|
||||
MISA_VAL:=0b01000000000101000001000100101101;
|
||||
PGSIZE := 4096; //1 << 12;
|
||||
PGMASK := 4095; //PGSIZE-1
|
||||
PGSIZE := 0x1000; //1 << 12;
|
||||
PGMASK := 0xfff; //PGSIZE-1
|
||||
}
|
||||
}
|
||||
|
||||
@ -44,7 +43,7 @@ Core RV64IA provides RV64IBase, RV64A, RV32A {
|
||||
// definitions for the architecture wrapper
|
||||
// XL ZYXWVUTSRQPONMLKJIHGFEDCBA
|
||||
MISA_VAL:=0b10000000000001000000000100000001;
|
||||
PGSIZE := 4096; //1 << 12;
|
||||
PGMASK := 4095; //PGSIZE-1
|
||||
PGSIZE := 0x1000; //1 << 12;
|
||||
PGMASK := 0xfff; //PGSIZE-1
|
||||
}
|
||||
}
|
||||
|
||||
@ -80,6 +80,8 @@ struct traits<${coreDef.name.toLowerCase()}> {
|
||||
|
||||
using addr_t = uint${addrDataWidth}_t;
|
||||
|
||||
using code_word_t = uint${addrDataWidth}_t; //TODO: check removal
|
||||
|
||||
using virt_addr_t = iss::typed_addr_t<iss::address_type::VIRTUAL>;
|
||||
|
||||
using phys_addr_t = iss::typed_addr_t<iss::address_type::PHYSICAL>;
|
||||
|
||||
@ -320,6 +320,8 @@ template <typename ARCH> inline void vm_impl<ARCH>::gen_trap_check(llvm::BasicBl
|
||||
bb, this->trap_blk, 1);
|
||||
}
|
||||
|
||||
} // namespace ${coreDef.name.toLowerCase()}
|
||||
|
||||
template <>
|
||||
std::unique_ptr<vm_if> create<arch::${coreDef.name.toLowerCase()}>(arch::${coreDef.name.toLowerCase()} *core, unsigned short port, bool dump) {
|
||||
std::unique_ptr<${coreDef.name.toLowerCase()}::vm_impl<arch::${coreDef.name.toLowerCase()}>> ret =
|
||||
|
||||
@ -48,7 +48,7 @@ struct traits<rv32gc> {
|
||||
|
||||
constexpr static char const* const core_type = "RV32GC";
|
||||
|
||||
enum constants {XLEN=32, FLEN=64, PCLEN=32, MISA_VAL=1075056941, PGSIZE=4096, PGMASK=4095};
|
||||
enum constants {XLEN=32, FLEN=64, PCLEN=32, MISA_VAL=0b1000000000101000001000100101101, PGSIZE=0x1000, PGMASK=0xfff};
|
||||
|
||||
constexpr static unsigned FP_REGS_SIZE = 64;
|
||||
|
||||
|
||||
@ -48,7 +48,7 @@ struct traits<rv32imac> {
|
||||
|
||||
constexpr static char const* const core_type = "RV32IMAC";
|
||||
|
||||
enum constants {XLEN=32, PCLEN=32, MISA_VAL=1075056901, PGSIZE=4096, PGMASK=4095};
|
||||
enum constants {XLEN=32, PCLEN=32, MISA_VAL=0b1000000000101000001000100000101, PGSIZE=0x1000, PGMASK=0xfff};
|
||||
|
||||
constexpr static unsigned FP_REGS_SIZE = 0;
|
||||
|
||||
|
||||
@ -48,7 +48,7 @@ struct traits<rv64ia> {
|
||||
|
||||
constexpr static char const* const core_type = "RV64IA";
|
||||
|
||||
enum constants {XLEN=64, PCLEN=64, MISA_VAL=2147746049, PGSIZE=4096, PGMASK=4095};
|
||||
enum constants {XLEN=64, PCLEN=64, MISA_VAL=0b10000000000001000000000100000001, PGSIZE=0x1000, PGMASK=0xfff};
|
||||
|
||||
constexpr static unsigned FP_REGS_SIZE = 0;
|
||||
|
||||
|
||||
File diff suppressed because it is too large
Load Diff
File diff suppressed because it is too large
Load Diff
File diff suppressed because it is too large
Load Diff
Loading…
Reference in New Issue
Block a user