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fpu wip

This commit is contained in:
Dolu1990 2021-01-18 11:38:26 +01:00
parent 3cda7c1f1b
commit a9d8c0a19f
22 changed files with 1446 additions and 448 deletions
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58
src/main/scala/vexriscv/Riscv.scala
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@ -11,6 +11,7 @@ object Riscv{
def funct3Range = 14 downto 12 def funct3Range = 14 downto 12
def rs1Range = 19 downto 15 def rs1Range = 19 downto 15
def rs2Range = 24 downto 20 def rs2Range = 24 downto 20
def rs3Range = 31 downto 27
def csrRange = 31 downto 20 def csrRange = 31 downto 20
case class IMM(instruction : Bits) extends Area{ case class IMM(instruction : Bits) extends Area{
@ -119,6 +120,63 @@ object Riscv{
def FENCE_I = M"-----------------001-----0001111" def FENCE_I = M"-----------------001-----0001111"
def SFENCE_VMA = M"0001001----------000000001110011" def SFENCE_VMA = M"0001001----------000000001110011"
def FADD_S = M"0000000------------------1010011"
def FSUB_S = M"0000100------------------1010011"
def FMUL_S = M"0001000------------------1010011"
def FDIV_S = M"0001100------------------1010011"
def FSGNJ_S = M"0010000----------000-----1010011"
def FSGNJN_S = M"0010000----------001-----1010011"
def FSGNJX_S = M"0010000----------010-----1010011"
def FMIN_S = M"0010100----------000-----1010011"
def FMAX_S = M"0010100----------001-----1010011"
def FSQRT_S = M"010110000000-------------1010011"
def FADD_D = M"0000001------------------1010011"
def FSUB_D = M"0000101------------------1010011"
def FMUL_D = M"0001001------------------1010011"
def FDIV_D = M"0001101------------------1010011"
def FSGNJ_D = M"0010001----------000-----1010011"
def FSGNJN_D = M"0010001----------001-----1010011"
def FSGNJX_D = M"0010001----------010-----1010011"
def FMIN_D = M"0010101----------000-----1010011"
def FMAX_D = M"0010101----------001-----1010011"
def FCVT_S_D = M"010000000001-------------1010011"
def FCVT_D_S = M"010000100000-------------1010011"
def FSQRT_D = M"010110100000-------------1010011"
def FCVT_W_S = M"110000000000-------------1010011"
def FCVT_WU_S = M"110000000001-------------1010011"
def FCVT_L_S = M"110000000010-------------1010011"
def FCVT_LU_S = M"110000000011-------------1010011"
def FMV_X_W = M"111000000000-----000-----1010011"
def FCLASS_S = M"111000000000-----001-----1010011"
def FCVT_W_D = M"110000100000-------------1010011"
def FCVT_WU_D = M"110000100001-------------1010011"
def FCVT_L_D = M"110000100010-------------1010011"
def FCVT_LU_D = M"110000100011-------------1010011"
def FMV_X_D = M"111000100000-----000-----1010011"
def FCLASS_D = M"111000100000-----001-----1010011"
def FCVT_S_W = M"110100000000-------------1010011"
def FCVT_S_WU = M"110100000001-------------1010011"
def FCVT_S_L = M"110100000010-------------1010011"
def FCVT_S_LU = M"110100000011-------------1010011"
def FMV_W_X = M"111100000000-----000-----1010011"
def FCVT_D_W = M"110100100000-------------1010011"
def FCVT_D_WU = M"110100100001-------------1010011"
def FCVT_D_L = M"110100100010-------------1010011"
def FCVT_D_LU = M"110100100011-------------1010011"
def FMV_D_X = M"111100100000-----000-----1010011"
def FLW = M"-----------------010-----0000111"
def FLD = M"-----------------011-----0000111"
def FSW = M"-----------------010-----0100111"
def FSD = M"-----------------011-----0100111"
def FMADD_S = M"-----00------------------1000011"
def FMSUB_S = M"-----00------------------1000111"
def FNMSUB_S = M"-----00------------------1001011"
def FNMADD_S = M"-----00------------------1001111"
def FMADD_D = M"-----01------------------1000011"
def FMSUB_D = M"-----01------------------1000111"
def FNMSUB_D = M"-----01------------------1001011"
def FNMADD_D = M"-----01------------------1001111"
object CSR{ object CSR{
def MVENDORID = 0xF11 // MRO Vendor ID. def MVENDORID = 0xF11 // MRO Vendor ID.
def MARCHID = 0xF12 // MRO Architecture ID. def MARCHID = 0xF12 // MRO Architecture ID.

324
src/main/scala/vexriscv/TestsWorkspace.scala
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@ -19,180 +19,181 @@
package vexriscv package vexriscv
import vexriscv.plugin._ import vexriscv.plugin._
import vexriscv.demo.SimdAddPlugin import vexriscv.demo.{GenFull, SimdAddPlugin}
import spinal.core._ import spinal.core._
import spinal.lib._ import spinal.lib._
import vexriscv.ip._ import vexriscv.ip._
import spinal.lib.bus.avalon.AvalonMM import spinal.lib.bus.avalon.AvalonMM
import spinal.lib.eda.altera.{InterruptReceiverTag, ResetEmitterTag} import spinal.lib.eda.altera.{InterruptReceiverTag, ResetEmitterTag}
import vexriscv.ip.fpu.FpuParameter
// make clean all SEED=42 MMU=no STOP_ON_ERROR=yes DBUS_EXCLUSIVE=yes DBUS_INVALIDATE=yes SUPERVISOR=yes REDO=1 DHRYSTONE=yes LRSC=yes AMO=yes LINUX_REGRESSION=yes TRACE=yes TRACE_START=1000000000 FLOW_INFO=ye IBUS_DATA_WIDTH=128 DBUS_DATA_WIDTH=128 // make clean all SEED=42 MMU=no STOP_ON_ERROR=yes DBUS_EXCLUSIVE=yes DBUS_INVALIDATE=yes SUPERVISOR=yes REDO=1 DHRYSTONE=yes LRSC=yes AMO=yes LINUX_REGRESSION=yes TRACE=yes TRACE_START=1000000000 FLOW_INFO=ye IBUS_DATA_WIDTH=128 DBUS_DATA_WIDTH=128
//make clean all SEED=42 MMU=no STOP_ON_ERROR=yes DBUS_EXCLUSIVE=yes DBUS_INVALIDATE=yes SUPERVISOR=yes REDO=1 DHRYSTONE=yes LRSC=yes AMO=yes TRACE=yes TRACE_START=1000000000 FLOW_INFO=ye IBUS_DATA_WIDTH=128 DBUS_DATA_WIDTH=128 LINUX_SOC_SMP=yes VMLINUX=../../../../../buildroot/output/images/Image RAMDISK=../../../../../buildroot/output/images/rootfs.cpio DTB=../../../../../buildroot/output/images/dtb EMULATOR=../../../../../opensbi/build/platform/spinal/vexriscv/sim/smp/firmware/fw_jump.bin //make clean all SEED=42 MMU=no STOP_ON_ERROR=yes DBUS_EXCLUSIVE=yes DBUS_INVALIDATE=yes SUPERVISOR=yes REDO=1 DHRYSTONE=yes LRSC=yes AMO=yes TRACE=yes TRACE_START=1000000000 FLOW_INFO=ye IBUS_DATA_WIDTH=128 DBUS_DATA_WIDTH=128 LINUX_SOC_SMP=yes VMLINUX=../../../../../buildroot/output/images/Image RAMDISK=../../../../../buildroot/output/images/rootfs.cpio DTB=../../../../../buildroot/output/images/dtb EMULATOR=../../../../../opensbi/build/platform/spinal/vexriscv/sim/smp/firmware/fw_jump.bin
object TestsWorkspace { object TestsWorkspace {
def main(args: Array[String]) { def main(args: Array[String]) {
def configFull = { // def configFull = {
val config = VexRiscvConfig( // val config = VexRiscvConfig(
plugins = List( // plugins = List(
new MmuPlugin( // new MmuPlugin(
ioRange = x => x(31 downto 28) === 0xF // ioRange = x => x(31 downto 28) === 0xF
), // ),
//Uncomment the whole IBusSimplePlugin and comment IBusCachedPlugin if you want uncached iBus config // //Uncomment the whole IBusSimplePlugin and comment IBusCachedPlugin if you want uncached iBus config
// new IBusSimplePlugin( // // new IBusSimplePlugin(
// // resetVector = 0x80000000l,
// // cmdForkOnSecondStage = false,
// // cmdForkPersistence = false,
// // prediction = DYNAMIC_TARGET,
// // historyRamSizeLog2 = 10,
// // catchAccessFault = true,
// // compressedGen = true,
// // busLatencyMin = 1,
// // injectorStage = true,
// // memoryTranslatorPortConfig = withMmu generate MmuPortConfig(
// // portTlbSize = 4
// // )
// // ),
//
// //Uncomment the whole IBusCachedPlugin and comment IBusSimplePlugin if you want cached iBus config
// new IBusCachedPlugin(
// resetVector = 0x80000000l, // resetVector = 0x80000000l,
// cmdForkOnSecondStage = false, // compressedGen = false,
// cmdForkPersistence = false, // prediction = STATIC,
// prediction = DYNAMIC_TARGET, // injectorStage = false,
// historyRamSizeLog2 = 10, // config = InstructionCacheConfig(
// cacheSize = 4096*2,
// bytePerLine = 64,
// wayCount = 2,
// addressWidth = 32,
// cpuDataWidth = 32,
// memDataWidth = 128,
// catchIllegalAccess = true,
// catchAccessFault = true, // catchAccessFault = true,
// compressedGen = true, // asyncTagMemory = false,
// busLatencyMin = 1, // twoCycleRam = true,
// injectorStage = true, // twoCycleCache = true,
// memoryTranslatorPortConfig = withMmu generate MmuPortConfig( // reducedBankWidth = true
// portTlbSize = 4 // // )
// ),
// memoryTranslatorPortConfig = MmuPortConfig(
// portTlbSize = 4,
// latency = 1,
// earlyRequireMmuLockup = true,
// earlyCacheHits = true
// ) // )
// ), // ),
// // ).newTightlyCoupledPort(TightlyCoupledPortParameter("iBusTc", a => a(30 downto 28) === 0x0 && a(5))),
//Uncomment the whole IBusCachedPlugin and comment IBusSimplePlugin if you want cached iBus config // // new DBusSimplePlugin(
new IBusCachedPlugin( // // catchAddressMisaligned = true,
resetVector = 0x80000000l, // // catchAccessFault = true,
compressedGen = false, // // earlyInjection = false,
prediction = STATIC, // // withLrSc = true,
injectorStage = false, // // memoryTranslatorPortConfig = withMmu generate MmuPortConfig(
config = InstructionCacheConfig( // // portTlbSize = 4
cacheSize = 4096*2, // // )
bytePerLine = 64, // // ),
wayCount = 2, // new DBusCachedPlugin(
addressWidth = 32, // dBusCmdMasterPipe = true,
cpuDataWidth = 32, // dBusCmdSlavePipe = true,
memDataWidth = 128, // dBusRspSlavePipe = true,
catchIllegalAccess = true, // config = new DataCacheConfig(
catchAccessFault = true, // cacheSize = 4096*1,
asyncTagMemory = false, // bytePerLine = 64,
twoCycleRam = true, // wayCount = 1,
twoCycleCache = true, // addressWidth = 32,
reducedBankWidth = true // cpuDataWidth = 32,
// ) // memDataWidth = 128,
), // catchAccessError = true,
memoryTranslatorPortConfig = MmuPortConfig( // catchIllegal = true,
portTlbSize = 4, // catchUnaligned = true,
latency = 1,
earlyRequireMmuLockup = true,
earlyCacheHits = true
)
),
// ).newTightlyCoupledPort(TightlyCoupledPortParameter("iBusTc", a => a(30 downto 28) === 0x0 && a(5))),
// new DBusSimplePlugin(
// catchAddressMisaligned = true,
// catchAccessFault = true,
// earlyInjection = false,
// withLrSc = true, // withLrSc = true,
// memoryTranslatorPortConfig = withMmu generate MmuPortConfig( // withAmo = true,
// portTlbSize = 4 // withExclusive = true,
// withInvalidate = true,
// pendingMax = 32
// // )
// ),
// memoryTranslatorPortConfig = MmuPortConfig(
// portTlbSize = 4,
// latency = 1,
// earlyRequireMmuLockup = true,
// earlyCacheHits = true
// ) // )
// ), // ),
new DBusCachedPlugin( //
dBusCmdMasterPipe = true, // // new MemoryTranslatorPlugin(
dBusCmdSlavePipe = true, // // tlbSize = 32,
dBusRspSlavePipe = true, // // virtualRange = _(31 downto 28) === 0xC,
config = new DataCacheConfig( // // ioRange = _(31 downto 28) === 0xF
cacheSize = 4096*1, // // ),
bytePerLine = 64, //
wayCount = 1, // new DecoderSimplePlugin(
addressWidth = 32, // catchIllegalInstruction = true
cpuDataWidth = 32,
memDataWidth = 128,
catchAccessError = true,
catchIllegal = true,
catchUnaligned = true,
withLrSc = true,
withAmo = true,
withExclusive = true,
withInvalidate = true,
pendingMax = 32
// )
),
memoryTranslatorPortConfig = MmuPortConfig(
portTlbSize = 4,
latency = 1,
earlyRequireMmuLockup = true,
earlyCacheHits = true
)
),
// new MemoryTranslatorPlugin(
// tlbSize = 32,
// virtualRange = _(31 downto 28) === 0xC,
// ioRange = _(31 downto 28) === 0xF
// ), // ),
// new RegFilePlugin(
new DecoderSimplePlugin( // regFileReadyKind = plugin.ASYNC,
catchIllegalInstruction = true // zeroBoot = true
), // ),
new RegFilePlugin( // new IntAluPlugin,
regFileReadyKind = plugin.ASYNC, // new SrcPlugin(
zeroBoot = true // separatedAddSub = false
), // ),
new IntAluPlugin, // new FullBarrelShifterPlugin(earlyInjection = false),
new SrcPlugin( // // new LightShifterPlugin,
separatedAddSub = false // new HazardSimplePlugin(
), // bypassExecute = true,
new FullBarrelShifterPlugin(earlyInjection = false), // bypassMemory = true,
// new LightShifterPlugin, // bypassWriteBack = true,
new HazardSimplePlugin( // bypassWriteBackBuffer = true,
bypassExecute = true, // pessimisticUseSrc = false,
bypassMemory = true, // pessimisticWriteRegFile = false,
bypassWriteBack = true, // pessimisticAddressMatch = false
bypassWriteBackBuffer = true, // ),
pessimisticUseSrc = false, // // new HazardSimplePlugin(false, true, false, true),
pessimisticWriteRegFile = false, // // new HazardSimplePlugin(false, false, false, false),
pessimisticAddressMatch = false // new MulPlugin,
), // new MulDivIterativePlugin(
// new HazardSimplePlugin(false, true, false, true), // genMul = false,
// new HazardSimplePlugin(false, false, false, false), // genDiv = true,
new MulPlugin, // mulUnrollFactor = 32,
new MulDivIterativePlugin( // divUnrollFactor = 1
genMul = false, // ),
genDiv = true, // // new DivPlugin,
mulUnrollFactor = 32, // new CsrPlugin(CsrPluginConfig.all2(0x80000020l).copy(ebreakGen = false, misaExtensionsInit = Riscv.misaToInt("imas"))),
divUnrollFactor = 1 // // new CsrPlugin(//CsrPluginConfig.all2(0x80000020l).copy(ebreakGen = true)/*
), // // CsrPluginConfig(
// new DivPlugin, // // catchIllegalAccess = false,
new CsrPlugin(CsrPluginConfig.all2(0x80000020l).copy(ebreakGen = false, misaExtensionsInit = Riscv.misaToInt("imas"))), // // mvendorid = null,
// new CsrPlugin(//CsrPluginConfig.all2(0x80000020l).copy(ebreakGen = true)/* // // marchid = null,
// CsrPluginConfig( // // mimpid = null,
// catchIllegalAccess = false, // // mhartid = null,
// mvendorid = null, // // misaExtensionsInit = 0,
// marchid = null, // // misaAccess = CsrAccess.READ_ONLY,
// mimpid = null, // // mtvecAccess = CsrAccess.WRITE_ONLY,
// mhartid = null, // // mtvecInit = 0x80000020l,
// misaExtensionsInit = 0, // // mepcAccess = CsrAccess.READ_WRITE,
// misaAccess = CsrAccess.READ_ONLY, // // mscratchGen = true,
// mtvecAccess = CsrAccess.WRITE_ONLY, // // mcauseAccess = CsrAccess.READ_ONLY,
// mtvecInit = 0x80000020l, // // mbadaddrAccess = CsrAccess.READ_ONLY,
// mepcAccess = CsrAccess.READ_WRITE, // // mcycleAccess = CsrAccess.NONE,
// mscratchGen = true, // // minstretAccess = CsrAccess.NONE,
// mcauseAccess = CsrAccess.READ_ONLY, // // ecallGen = true,
// mbadaddrAccess = CsrAccess.READ_ONLY, // // ebreakGen = true,
// mcycleAccess = CsrAccess.NONE, // // wfiGenAsWait = false,
// minstretAccess = CsrAccess.NONE, // // wfiGenAsNop = true,
// ecallGen = true, // // ucycleAccess = CsrAccess.NONE
// ebreakGen = true, // // )),
// wfiGenAsWait = false, // new DebugPlugin(ClockDomain.current.clone(reset = Bool().setName("debugReset"))),
// wfiGenAsNop = true, // new BranchPlugin(
// ucycleAccess = CsrAccess.NONE // earlyBranch = false,
// )), // catchAddressMisaligned = true,
new DebugPlugin(ClockDomain.current.clone(reset = Bool().setName("debugReset"))), // fenceiGenAsAJump = false
new BranchPlugin( // ),
earlyBranch = false, // new YamlPlugin("cpu0.yaml")
catchAddressMisaligned = true, // )
fenceiGenAsAJump = false // )
), // config
new YamlPlugin("cpu0.yaml") // }
)
)
config
}
// import spinal.core.sim._ // import spinal.core.sim._
@ -211,10 +212,17 @@ object TestsWorkspace {
// } // }
// } // }
SpinalConfig(mergeAsyncProcess = false, anonymSignalPrefix = "zz_").generateVerilog { SpinalConfig().generateVerilog {
val config = GenFull.config
val toplevel = new VexRiscv(configFull) config.plugins += new FpuPlugin(
externalFpu = false,
p = FpuParameter(
internalMantissaSize = 23,
withDouble = false
)
)
val toplevel = new VexRiscv(config)
// val toplevel = new VexRiscv(configLight) // val toplevel = new VexRiscv(configLight)
// val toplevel = new VexRiscv(configTest) // val toplevel = new VexRiscv(configTest)

1
src/main/scala/vexriscv/VexRiscv.scala
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@ -46,6 +46,7 @@ case class VexRiscvConfig(){
object LEGAL_INSTRUCTION extends Stageable(Bool) object LEGAL_INSTRUCTION extends Stageable(Bool)
object REGFILE_WRITE_VALID extends Stageable(Bool) object REGFILE_WRITE_VALID extends Stageable(Bool)
object REGFILE_WRITE_DATA extends Stageable(Bits(32 bits)) object REGFILE_WRITE_DATA extends Stageable(Bits(32 bits))
object DBUS_DATA extends Stageable(Bits(32 bits))
object MPP extends PipelineThing[UInt] object MPP extends PipelineThing[UInt]
object DEBUG_BYPASS_CACHE extends PipelineThing[Bool] object DEBUG_BYPASS_CACHE extends PipelineThing[Bool]

6
src/main/scala/vexriscv/demo/GenFull.scala
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@ -9,8 +9,7 @@ import spinal.core._
* Created by spinalvm on 15.06.17. * Created by spinalvm on 15.06.17.
*/ */
object GenFull extends App{ object GenFull extends App{
def cpu() = new VexRiscv( def config = VexRiscvConfig(
config = VexRiscvConfig(
plugins = List( plugins = List(
new IBusCachedPlugin( new IBusCachedPlugin(
prediction = DYNAMIC, prediction = DYNAMIC,
@ -84,6 +83,9 @@ object GenFull extends App{
new YamlPlugin("cpu0.yaml") new YamlPlugin("cpu0.yaml")
) )
) )
def cpu() = new VexRiscv(
config
) )
SpinalVerilog(cpu()) SpinalVerilog(cpu())

37
src/main/scala/vexriscv/ip/DataCache.scala
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@ -120,7 +120,6 @@ case class DataCacheCpuExecute(p : DataCacheConfig) extends Bundle with IMasterS
case class DataCacheCpuExecuteArgs(p : DataCacheConfig) extends Bundle{ case class DataCacheCpuExecuteArgs(p : DataCacheConfig) extends Bundle{
val wr = Bool val wr = Bool
val data = Bits(p.cpuDataWidth bit)
val size = UInt(2 bits) val size = UInt(2 bits)
val isLrsc = p.withLrSc generate Bool() val isLrsc = p.withLrSc generate Bool()
val isAmo = p.withAmo generate Bool() val isAmo = p.withAmo generate Bool()
@ -169,6 +168,7 @@ case class DataCacheCpuWriteBack(p : DataCacheConfig) extends Bundle with IMaste
val isUser = Bool() val isUser = Bool()
val haltIt = Bool() val haltIt = Bool()
val isWrite = Bool() val isWrite = Bool()
val storeData = Bits(p.cpuDataWidth bit)
val data = Bits(p.cpuDataWidth bit) val data = Bits(p.cpuDataWidth bit)
val address = UInt(p.addressWidth bit) val address = UInt(p.addressWidth bit)
val mmuException, unalignedAccess, accessError = Bool() val mmuException, unalignedAccess, accessError = Bool()
@ -176,7 +176,7 @@ case class DataCacheCpuWriteBack(p : DataCacheConfig) extends Bundle with IMaste
val fence = FenceFlags() val fence = FenceFlags()
override def asMaster(): Unit = { override def asMaster(): Unit = {
out(isValid,isStuck,isUser, address, fence) out(isValid,isStuck,isUser, address, fence, storeData)
in(haltIt, data, mmuException, unalignedAccess, accessError, isWrite, keepMemRspData) in(haltIt, data, mmuException, unalignedAccess, accessError, isWrite, keepMemRspData)
} }
} }
@ -804,35 +804,32 @@ class DataCache(val p : DataCacheConfig, mmuParameter : MemoryTranslatorBusParam
val ioMemRspMuxed = io.mem.rsp.data.subdivideIn(cpuDataWidth bits).read(io.cpu.writeBack.address(memWordToCpuWordRange)) val ioMemRspMuxed = io.mem.rsp.data.subdivideIn(cpuDataWidth bits).read(io.cpu.writeBack.address(memWordToCpuWordRange))
io.cpu.writeBack.haltIt := io.cpu.writeBack.isValid io.cpu.writeBack.haltIt := True
//Evict the cache after reset logics //Evict the cache after reset logics
val flusher = new Area { val flusher = new Area {
val valid = RegInit(False) val waitDone = RegInit(False) clearWhen(io.cpu.flush.ready)
val hold = False val hold = False
when(valid) { val counter = Reg(UInt(lineRange.size + 1 bits)) init(0)
tagsWriteCmd.valid := valid when(!counter.msb) {
tagsWriteCmd.address := mmuRsp.physicalAddress(lineRange) tagsWriteCmd.valid := True
tagsWriteCmd.address := counter.resized
tagsWriteCmd.way.setAll() tagsWriteCmd.way.setAll()
tagsWriteCmd.data.valid := False tagsWriteCmd.data.valid := False
io.cpu.writeBack.haltIt := True io.cpu.execute.haltIt := True
when(!hold) { when(!hold) {
when(mmuRsp.physicalAddress(lineRange) =/= wayLineCount - 1) { counter := counter + 1
mmuRsp.physicalAddress.getDrivingReg(lineRange) := mmuRsp.physicalAddress(lineRange) + 1
} otherwise {
valid := False
}
} }
} }
io.cpu.flush.ready := False io.cpu.flush.ready := waitDone && counter.msb
val start = RegInit(True) //Used to relax timings val start = RegInit(True) //Used to relax timings
start := !start && io.cpu.flush.valid && !io.cpu.execute.isValid && !io.cpu.memory.isValid && !io.cpu.writeBack.isValid && !io.cpu.redo start := !waitDone && !start && io.cpu.flush.valid && !io.cpu.execute.isValid && !io.cpu.memory.isValid && !io.cpu.writeBack.isValid && !io.cpu.redo
when(start){ when(start){
io.cpu.flush.ready := True waitDone := True
mmuRsp.physicalAddress.getDrivingReg(lineRange) := 0 counter := 0
valid := True
} }
} }
@ -848,10 +845,10 @@ class DataCache(val p : DataCacheConfig, mmuParameter : MemoryTranslatorBusParam
val isExternalLsrc = if(withExternalLrSc) request.isLrsc else False val isExternalLsrc = if(withExternalLrSc) request.isLrsc else False
val isExternalAmo = if(withExternalAmo) request.isAmo else False val isExternalAmo = if(withExternalAmo) request.isAmo else False
val requestDataBypass = CombInit(request.data) val requestDataBypass = CombInit(io.cpu.writeBack.storeData)
import DataCacheExternalAmoStates._ import DataCacheExternalAmoStates._
val amo = withAmo generate new Area{ val amo = withAmo generate new Area{
def rf = request.data def rf = io.cpu.writeBack.storeData
def mem = if(withInternalAmo) dataMux else ioMemRspMuxed def mem = if(withInternalAmo) dataMux else ioMemRspMuxed
val compare = request.amoCtrl.alu.msb val compare = request.amoCtrl.alu.msb
val unsigned = request.amoCtrl.alu(2 downto 1) === B"11" val unsigned = request.amoCtrl.alu(2 downto 1) === B"11"

90
src/main/scala/vexriscv/ip/fpu/FpuCore.scala
View File

@ -10,28 +10,31 @@ object FpuDivSqrtIterationState extends SpinalEnum{
val IDLE, YY, XYY, Y2_XYY, DIV, _15_XYY2, Y_15_XYY2, Y_15_XYY2_RESULT, SQRT = newElement() val IDLE, YY, XYY, Y2_XYY, DIV, _15_XYY2, Y_15_XYY2, Y_15_XYY2_RESULT, SQRT = newElement()
} }
case class FpuCore(p : FpuParameter) extends Component{ case class FpuCore( portCount : Int, p : FpuParameter) extends Component{
val io = new Bundle { val io = new Bundle {
val port = slave(FpuPort(p)) val port = Vec(slave(FpuPort(p)), portCount)
} }
val portCountWidth = log2Up(portCount)
val Source = HardType(UInt(portCountWidth bits))
// val commitPerSourceCount = 8
// val commitPerportCount = 8
val rfLockCount = 5 val rfLockCount = 5
val lockIdType = HardType(UInt(log2Up(rfLockCount) bits)) val lockIdType = HardType(UInt(log2Up(rfLockCount) bits))
io.port.rsp.valid := False // io.port.rsp.valid := False
io.port.rsp.payload.assignDontCare() // io.port.rsp.payload.assignDontCare()
case class RfReadInput() extends Bundle{ case class RfReadInput() extends Bundle{
val source = p.source() val source = Source()
val opcode = p.Opcode() val opcode = p.Opcode()
val rs1, rs2, rs3 = p.rfAddress() val rs1, rs2, rs3 = p.rfAddress()
val rd = p.rfAddress() val rd = p.rfAddress()
} }
case class RfReadOutput() extends Bundle{ case class RfReadOutput() extends Bundle{
val source = p.source() val source = Source()
val opcode = p.Opcode() val opcode = p.Opcode()
val lockId = lockIdType() val lockId = lockIdType()
val rs1, rs2, rs3 = p.internalFloating() val rs1, rs2, rs3 = p.internalFloating()
@ -40,19 +43,19 @@ case class FpuCore(p : FpuParameter) extends Component{
case class LoadInput() extends Bundle{ case class LoadInput() extends Bundle{
val source = p.source() val source = Source()
val rs1 = p.internalFloating() val rs1 = p.internalFloating()
val rd = p.rfAddress() val rd = p.rfAddress()
val lockId = lockIdType() val lockId = lockIdType()
} }
case class StoreInput() extends Bundle{ case class StoreInput() extends Bundle{
val source = p.source() val source = Source()
val rs2 = p.internalFloating() val rs2 = p.internalFloating()
} }
case class MulInput() extends Bundle{ case class MulInput() extends Bundle{
val source = p.source() val source = Source()
val rs1, rs2, rs3 = p.internalFloating() val rs1, rs2, rs3 = p.internalFloating()
val rd = p.rfAddress() val rd = p.rfAddress()
val lockId = lockIdType() val lockId = lockIdType()
@ -63,7 +66,7 @@ case class FpuCore(p : FpuParameter) extends Component{
} }
case class DivSqrtInput() extends Bundle{ case class DivSqrtInput() extends Bundle{
val source = p.source() val source = Source()
val rs1, rs2 = p.internalFloating() val rs1, rs2 = p.internalFloating()
val rd = p.rfAddress() val rd = p.rfAddress()
val lockId = lockIdType() val lockId = lockIdType()
@ -71,14 +74,14 @@ case class FpuCore(p : FpuParameter) extends Component{
} }
case class AddInput() extends Bundle{ case class AddInput() extends Bundle{
val source = p.source() val source = Source()
val rs1, rs2 = p.internalFloating() val rs1, rs2 = p.internalFloating()
val rd = p.rfAddress() val rd = p.rfAddress()
val lockId = lockIdType() val lockId = lockIdType()
} }
case class WriteInput() extends Bundle{ case class WriteInput() extends Bundle{
val source = p.source() val source = Source()
val lockId = lockIdType() val lockId = lockIdType()
val rd = p.rfAddress() val rd = p.rfAddress()
val value = p.internalFloating() val value = p.internalFloating()
@ -86,10 +89,10 @@ case class FpuCore(p : FpuParameter) extends Component{
val rf = new Area{ val rf = new Area{
val ram = Mem(p.internalFloating, 32*(1 << p.sourceWidth)) val ram = Mem(p.internalFloating, 32*portCount)
val lock = for(i <- 0 until rfLockCount) yield new Area{ val lock = for(i <- 0 until rfLockCount) yield new Area{
val valid = RegInit(False) val valid = RegInit(False)
val source = Reg(p.source) val source = Reg(Source())
val address = Reg(p.rfAddress) val address = Reg(p.rfAddress)
val id = Reg(UInt(log2Up(rfLockCount) bits)) val id = Reg(UInt(log2Up(rfLockCount) bits))
val commited = Reg(Bool) val commited = Reg(Bool)
@ -99,21 +102,21 @@ case class FpuCore(p : FpuParameter) extends Component{
val lockFreeId = OHMasking.first(lock.map(!_.valid)) val lockFreeId = OHMasking.first(lock.map(!_.valid))
} }
val commitLogic = for(source <- 0 until p.sourceCount) yield new Area{ val commitLogic = for(source <- 0 until portCount) yield new Area{
val fire = False val fire = False
val target, hit = Reg(UInt(log2Up(rfLockCount) bits)) init(0) val target, hit = Reg(UInt(log2Up(rfLockCount) bits)) init(0)
when(fire){ when(fire){
hit := hit + 1 hit := hit + 1
} }
io.port.commit(source).ready := False io.port(source).commit.ready := False
when(io.port.commit(source).valid) { when(io.port(source).commit.valid) {
for (lock <- rf.lock) { for (lock <- rf.lock) {
when(lock.valid && lock.source === source && lock.id === hit) { when(lock.valid && lock.source === source && lock.id === hit) {
fire := True fire := True
lock.commited := True lock.commited := True
lock.write := io.port.commit(source).write lock.write := io.port(source).commit.write
io.port.commit(source).ready := True io.port(source).commit.ready := True
} }
} }
} }
@ -123,16 +126,20 @@ case class FpuCore(p : FpuParameter) extends Component{
// val valid = Bool() // val valid = Bool()
// val write = Bool() // val write = Bool()
// } // }
// val commits = for(i <- 0 until p.sourceCount) yield new Area{ // val commits = for(i <- 0 until portCount) yield new Area{
// val lines = Vec(CommitLine(), commitPerSourceCount) // val lines = Vec(CommitLine(), commitPerportCount)
// lines.foreach(_.valid init(False)) // lines.foreach(_.valid init(False))
// //
// } // }
val read = new Area{ val read = new Area{
val arbiter = StreamArbiterFactory.noLock.lowerFirst.build(FpuCmd(p), portCount)
arbiter.io.inputs <> Vec(io.port.map(_.cmd))
val s0 = Stream(RfReadInput()) val s0 = Stream(RfReadInput())
s0.arbitrationFrom(io.port.cmd) s0.arbitrationFrom(arbiter.io.output)
s0.payload.assignSomeByName(io.port.cmd.payload) s0.source := arbiter.io.chosen
s0.payload.assignSomeByName(arbiter.io.output.payload)
val useRs1, useRs2, useRs3, useRd = False val useRs1, useRs2, useRs3, useRd = False
switch(s0.opcode){ switch(s0.opcode){
@ -172,7 +179,7 @@ case class FpuCore(p : FpuParameter) extends Component{
val hits = List((useRs1, s0.rs1), (useRs2, s0.rs2), (useRs3, s0.rs3), (useRd, s0.rd)).map{case (use, reg) => use && rf.lock.map(l => l.valid && l.source === s0.source && l.address === reg).orR} val hits = List((useRs1, s0.rs1), (useRs2, s0.rs2), (useRs3, s0.rs3), (useRd, s0.rd)).map{case (use, reg) => use && rf.lock.map(l => l.valid && l.source === s0.source && l.address === reg).orR}
val hazard = hits.orR val hazard = hits.orR
when(s0.fire && useRd){ when(s0.fire && useRd){
for(i <- 0 until p.sourceCount){ for(i <- 0 until portCount){
when(s0.source === i){ when(s0.source === i){
commitLogic(i).target := commitLogic(i).target + 1 commitLogic(i).target := commitLogic(i).target + 1
} }
@ -183,6 +190,7 @@ case class FpuCore(p : FpuParameter) extends Component{
rf.lock(i).source := s0.source rf.lock(i).source := s0.source
rf.lock(i).address := s0.rd rf.lock(i).address := s0.rd
rf.lock(i).id := commitLogic.map(_.target).read(s0.source) rf.lock(i).id := commitLogic.map(_.target).read(s0.source)
rf.lock(i).commited := False
} }
} }
} }
@ -194,9 +202,9 @@ case class FpuCore(p : FpuParameter) extends Component{
output.opcode := s1.opcode output.opcode := s1.opcode
output.lockId := s1LockId output.lockId := s1LockId
output.rd := s1.rd output.rd := s1.rd
output.rs1 := rf.ram.readSync(s0.rs1,enable = !output.isStall) output.rs1 := rf.ram.readSync(s0.source @@ s0.rs1,enable = !output.isStall)
output.rs2 := rf.ram.readSync(s0.rs2,enable = !output.isStall) output.rs2 := rf.ram.readSync(s0.source @@ s0.rs2,enable = !output.isStall)
output.rs3 := rf.ram.readSync(s0.rs3,enable = !output.isStall) output.rs3 := rf.ram.readSync(s0.source @@ s0.rs3,enable = !output.isStall)
} }
val decode = new Area{ val decode = new Area{
@ -266,10 +274,10 @@ case class FpuCore(p : FpuParameter) extends Component{
val load = new Area{ val load = new Area{
val input = decode.load.stage() val input = decode.load.stage()
def feed = io.port.load(input.source) def feed = io.port(input.source).load
val hazard = !feed.valid val hazard = !feed.valid
val output = input.haltWhen(hazard).swapPayload(WriteInput()) val output = input.haltWhen(hazard).swapPayload(WriteInput())
io.port.load.foreach(_.ready := False) io.port.foreach(_.load.ready := False)
feed.ready := input.valid && output.ready feed.ready := input.valid && output.ready
output.source := input.source output.source := input.source
output.lockId := input.lockId output.lockId := input.lockId
@ -281,11 +289,11 @@ case class FpuCore(p : FpuParameter) extends Component{
val store = new Area{ val store = new Area{
val input = decode.store.stage() val input = decode.store.stage()
input.ready := io.port.rsp.ready input.ready := io.port.map(_.rsp.ready).read(input.source)
when(input.valid){ for(i <- 0 until portCount){
io.port.rsp.valid := True def rsp = io.port(i).rsp
io.port.rsp.source := input.source rsp.valid := input.valid && input.source === i
io.port.rsp.value := input.rs2.asBits rsp.value := input.rs2.asBits
} }
} }
@ -576,10 +584,10 @@ case class FpuCore(p : FpuParameter) extends Component{
object FpuSynthesisBench extends App{ object FpuSynthesisBench extends App{
val payloadType = HardType(Bits(8 bits)) val payloadType = HardType(Bits(8 bits))
class Fpu(name : String, p : FpuParameter) extends Rtl{ class Fpu(name : String, portCount : Int, p : FpuParameter) extends Rtl{
override def getName(): String = "Fpu_" + name override def getName(): String = "Fpu_" + name
override def getRtlPath(): String = getName() + ".v" override def getRtlPath(): String = getName() + ".v"
SpinalVerilog(new FpuCore(p){ SpinalVerilog(new FpuCore(portCount, p){
setDefinitionName(Fpu.this.getName()) setDefinitionName(Fpu.this.getName())
}) })
@ -590,18 +598,18 @@ object FpuSynthesisBench extends App{
val rtls = ArrayBuffer[Fpu]() val rtls = ArrayBuffer[Fpu]()
rtls += new Fpu( rtls += new Fpu(
"32", "32",
portCount = 1,
FpuParameter( FpuParameter(
internalMantissaSize = 23, internalMantissaSize = 23,
withDouble = false, withDouble = false
sourceCount = 1
) )
) )
rtls += new Fpu( rtls += new Fpu(
"64", "64",
portCount = 1,
FpuParameter( FpuParameter(
internalMantissaSize = 52, internalMantissaSize = 52,
withDouble = true, withDouble = true
sourceCount = 1
) )
) )

16
src/main/scala/vexriscv/ip/fpu/Interface.scala
View File

@ -32,23 +32,19 @@ object FpuFormat extends SpinalEnum{
case class FpuParameter( internalMantissaSize : Int, case class FpuParameter( internalMantissaSize : Int,
withDouble : Boolean, withDouble : Boolean){
sourceCount : Int){
val storeLoadType = HardType(Bits(if(withDouble) 64 bits else 32 bits)) val storeLoadType = HardType(Bits(if(withDouble) 64 bits else 32 bits))
val internalExponentSize = if(withDouble) 11 else 8 val internalExponentSize = if(withDouble) 11 else 8
val internalFloating = HardType(FpuFloat(exponentSize = internalExponentSize, mantissaSize = internalMantissaSize)) val internalFloating = HardType(FpuFloat(exponentSize = internalExponentSize, mantissaSize = internalMantissaSize))
// val opcode = HardType(UInt(2 bits))
val source = HardType(UInt(sourceWidth bits))
val rfAddress = HardType(UInt(5 bits)) val rfAddress = HardType(UInt(5 bits))
val Opcode = FpuOpcode val Opcode = FpuOpcode
val Format = FpuFormat val Format = FpuFormat
val sourceWidth = log2Up(sourceCount)
} }
case class FpuCmd(p : FpuParameter) extends Bundle{ case class FpuCmd(p : FpuParameter) extends Bundle{
val source = UInt(p.sourceWidth bits)
val opcode = p.Opcode() val opcode = p.Opcode()
val value = Bits(32 bits) // Int to float val value = Bits(32 bits) // Int to float
val function = Bits(3 bits) // Int to float val function = Bits(3 bits) // Int to float
@ -66,19 +62,17 @@ case class FpuLoad(p : FpuParameter) extends Bundle{
} }
case class FpuRsp(p : FpuParameter) extends Bundle{ case class FpuRsp(p : FpuParameter) extends Bundle{
val source = UInt(p.sourceWidth bits)
val value = p.storeLoadType() // IEEE754 store || Integer val value = p.storeLoadType() // IEEE754 store || Integer
} }
case class FpuPort(p : FpuParameter) extends Bundle with IMasterSlave { case class FpuPort(p : FpuParameter) extends Bundle with IMasterSlave {
val cmd = Stream(FpuCmd(p)) val cmd = Stream(FpuCmd(p))
val commit = Vec(Stream(FpuCommit(p)), p.sourceCount) val commit = Stream(FpuCommit(p))
val load = Vec(Stream(FpuLoad(p)), p.sourceCount) val load = Stream(FpuLoad(p))
val rsp = Stream(FpuRsp(p)) val rsp = Stream(FpuRsp(p))
override def asMaster(): Unit = { override def asMaster(): Unit = {
master(cmd) master(cmd, commit, load)
(commit ++ load).foreach(master(_))
slave(rsp) slave(rsp)
} }
} }

74
src/main/scala/vexriscv/plugin/DBusCachedPlugin.scala
View File

@ -18,13 +18,20 @@ class DAxiCachedPlugin(config : DataCacheConfig, memoryTranslatorPortConfig : An
} }
} }
trait DBusEncodingService {
def addLoadWordEncoding(key: MaskedLiteral): Unit
def addStoreWordEncoding(key: MaskedLiteral): Unit
def encodingHalt(): Unit
def bypassStore(data : Bits) : Unit
}
class DBusCachedPlugin(val config : DataCacheConfig, class DBusCachedPlugin(val config : DataCacheConfig,
memoryTranslatorPortConfig : Any = null, memoryTranslatorPortConfig : Any = null,
dBusCmdMasterPipe : Boolean = false, dBusCmdMasterPipe : Boolean = false,
dBusCmdSlavePipe : Boolean = false, dBusCmdSlavePipe : Boolean = false,
dBusRspSlavePipe : Boolean = false, dBusRspSlavePipe : Boolean = false,
relaxedMemoryTranslationRegister : Boolean = false, relaxedMemoryTranslationRegister : Boolean = false,
csrInfo : Boolean = false) extends Plugin[VexRiscv] with DBusAccessService { csrInfo : Boolean = false) extends Plugin[VexRiscv] with DBusAccessService with DBusEncodingService {
import config._ import config._
assert(!(config.withExternalAmo && !dBusRspSlavePipe)) assert(!(config.withExternalAmo && !dBusRspSlavePipe))
assert(isPow2(cacheSize)) assert(isPow2(cacheSize))
@ -43,6 +50,54 @@ class DBusCachedPlugin(val config : DataCacheConfig,
dBusAccess dBusAccess
} }
override def addLoadWordEncoding(key : MaskedLiteral): Unit = {
val decoderService = pipeline.service(classOf[DecoderService])
val cfg = pipeline.config
import cfg._
decoderService.add(
key,
List(
SRC1_CTRL -> Src1CtrlEnum.RS,
SRC_USE_SUB_LESS -> False,
MEMORY_ENABLE -> True,
RS1_USE -> True,
IntAluPlugin.ALU_CTRL -> IntAluPlugin.AluCtrlEnum.ADD_SUB,
SRC2_CTRL -> Src2CtrlEnum.IMI,
// REGFILE_WRITE_VALID -> True,
// BYPASSABLE_EXECUTE_STAGE -> False,
// BYPASSABLE_MEMORY_STAGE -> False,
MEMORY_WR -> False
) ++ (if(catchSomething) List(HAS_SIDE_EFFECT -> True) else Nil)
)
}
override def addStoreWordEncoding(key : MaskedLiteral): Unit = {
val decoderService = pipeline.service(classOf[DecoderService])
val cfg = pipeline.config
import cfg._
decoderService.add(
key,
List(
SRC1_CTRL -> Src1CtrlEnum.RS,
SRC_USE_SUB_LESS -> False,
MEMORY_ENABLE -> True,
RS1_USE -> True,
IntAluPlugin.ALU_CTRL -> IntAluPlugin.AluCtrlEnum.ADD_SUB,
SRC2_CTRL -> Src2CtrlEnum.IMS,
// RS2_USE -> True,
MEMORY_WR -> True
) ++ (if(catchSomething) List(HAS_SIDE_EFFECT -> True) else Nil)
)
}
var haltFromEncoding : Bool = null
override def encodingHalt(): Unit = haltFromEncoding := True
override def bypassStore(data: Bits): Unit = {
pipeline.stages.last.input(MEMORY_STORE_DATA) := data
}
object MEMORY_ENABLE extends Stageable(Bool) object MEMORY_ENABLE extends Stageable(Bool)
object MEMORY_MANAGMENT extends Stageable(Bool) object MEMORY_MANAGMENT extends Stageable(Bool)
object MEMORY_WR extends Stageable(Bool) object MEMORY_WR extends Stageable(Bool)
@ -53,6 +108,7 @@ class DBusCachedPlugin(val config : DataCacheConfig,
object MEMORY_FORCE_CONSTISTENCY extends Stageable(Bool) object MEMORY_FORCE_CONSTISTENCY extends Stageable(Bool)
object IS_DBUS_SHARING extends Stageable(Bool()) object IS_DBUS_SHARING extends Stageable(Bool())
object MEMORY_VIRTUAL_ADDRESS extends Stageable(UInt(32 bits)) object MEMORY_VIRTUAL_ADDRESS extends Stageable(UInt(32 bits))
object MEMORY_STORE_DATA extends Stageable(Bits(32 bits))
override def setup(pipeline: VexRiscv): Unit = { override def setup(pipeline: VexRiscv): Unit = {
import Riscv._ import Riscv._
@ -164,6 +220,8 @@ class DBusCachedPlugin(val config : DataCacheConfig,
privilegeService = pipeline.service(classOf[PrivilegeService]) privilegeService = pipeline.service(classOf[PrivilegeService])
pipeline.update(DEBUG_BYPASS_CACHE, False) pipeline.update(DEBUG_BYPASS_CACHE, False)
haltFromEncoding = False
} }
override def build(pipeline: VexRiscv): Unit = { override def build(pipeline: VexRiscv): Unit = {
@ -240,7 +298,7 @@ class DBusCachedPlugin(val config : DataCacheConfig,
cache.io.cpu.execute.isValid := arbitration.isValid && input(MEMORY_ENABLE) cache.io.cpu.execute.isValid := arbitration.isValid && input(MEMORY_ENABLE)
cache.io.cpu.execute.address := input(SRC_ADD).asUInt cache.io.cpu.execute.address := input(SRC_ADD).asUInt
cache.io.cpu.execute.args.wr := input(MEMORY_WR) cache.io.cpu.execute.args.wr := input(MEMORY_WR)
cache.io.cpu.execute.args.data := size.mux( insert(MEMORY_STORE_DATA) := size.mux(
U(0) -> input(RS2)( 7 downto 0) ## input(RS2)( 7 downto 0) ## input(RS2)(7 downto 0) ## input(RS2)(7 downto 0), U(0) -> input(RS2)( 7 downto 0) ## input(RS2)( 7 downto 0) ## input(RS2)(7 downto 0) ## input(RS2)(7 downto 0),
U(1) -> input(RS2)(15 downto 0) ## input(RS2)(15 downto 0), U(1) -> input(RS2)(15 downto 0) ## input(RS2)(15 downto 0),
default -> input(RS2)(31 downto 0) default -> input(RS2)(31 downto 0)
@ -312,6 +370,7 @@ class DBusCachedPlugin(val config : DataCacheConfig,
cache.io.cpu.writeBack.isStuck := arbitration.isStuck cache.io.cpu.writeBack.isStuck := arbitration.isStuck
cache.io.cpu.writeBack.isUser := (if(privilegeService != null) privilegeService.isUser() else False) cache.io.cpu.writeBack.isUser := (if(privilegeService != null) privilegeService.isUser() else False)
cache.io.cpu.writeBack.address := U(input(REGFILE_WRITE_DATA)) cache.io.cpu.writeBack.address := U(input(REGFILE_WRITE_DATA))
cache.io.cpu.writeBack.storeData := input(MEMORY_STORE_DATA)
val fence = if(withInvalidate) new Area { val fence = if(withInvalidate) new Area {
cache.io.cpu.writeBack.fence := input(INSTRUCTION)(31 downto 20).as(FenceFlags()) cache.io.cpu.writeBack.fence := input(INSTRUCTION)(31 downto 20).as(FenceFlags())
@ -371,7 +430,7 @@ class DBusCachedPlugin(val config : DataCacheConfig,
} }
} }
arbitration.haltItself.setWhen(cache.io.cpu.writeBack.haltIt) arbitration.haltItself.setWhen(cache.io.cpu.writeBack.isValid && cache.io.cpu.writeBack.haltIt)
val rspShifted = Bits(32 bits) val rspShifted = Bits(32 bits)
rspShifted := cache.io.cpu.writeBack.data rspShifted := cache.io.cpu.writeBack.data
@ -390,6 +449,8 @@ class DBusCachedPlugin(val config : DataCacheConfig,
when(arbitration.isValid && input(MEMORY_ENABLE)) { when(arbitration.isValid && input(MEMORY_ENABLE)) {
output(REGFILE_WRITE_DATA) := rspFormated output(REGFILE_WRITE_DATA) := rspFormated
} }
insert(DBUS_DATA) := cache.io.cpu.writeBack.data
} }
//Share access to the dBus (used by self refilled MMU) //Share access to the dBus (used by self refilled MMU)
@ -405,7 +466,7 @@ class DBusCachedPlugin(val config : DataCacheConfig,
dBusAccess.cmd.ready := !execute.arbitration.isStuck dBusAccess.cmd.ready := !execute.arbitration.isStuck
} }
cache.io.cpu.execute.args.wr := dBusAccess.cmd.write cache.io.cpu.execute.args.wr := dBusAccess.cmd.write
cache.io.cpu.execute.args.data := dBusAccess.cmd.data execute.insert(MEMORY_STORE_DATA) := dBusAccess.cmd.data
cache.io.cpu.execute.args.size := dBusAccess.cmd.size cache.io.cpu.execute.args.size := dBusAccess.cmd.size
if(withLrSc) cache.io.cpu.execute.args.isLrsc := False if(withLrSc) cache.io.cpu.execute.args.isLrsc := False
if(withAmo) cache.io.cpu.execute.args.isAmo := False if(withAmo) cache.io.cpu.execute.args.isAmo := False
@ -435,6 +496,11 @@ class DBusCachedPlugin(val config : DataCacheConfig,
} }
} }
when(haltFromEncoding){
cache.io.cpu.writeBack.isValid := False
managementStage.arbitration.haltItself := True
}
if(csrInfo){ if(csrInfo){
val csr = service(classOf[CsrPlugin]) val csr = service(classOf[CsrPlugin])
csr.r(0xCC0, 0 -> U(cacheSize/wayCount), 20 -> U(bytePerLine)) csr.r(0xCC0, 0 -> U(cacheSize/wayCount), 20 -> U(bytePerLine))

124
src/main/scala/vexriscv/plugin/FpuPlugin.scala Normal file
View File

@ -0,0 +1,124 @@
package vexriscv.plugin
import spinal.core._
import spinal.lib._
import vexriscv._
import vexriscv.Riscv._
import vexriscv.ip.fpu._
class FpuPlugin(externalFpu : Boolean = false,
p : FpuParameter) extends Plugin[VexRiscv]{
object FPU_ENABLE extends Stageable(Bool())
object FPU_COMMIT extends Stageable(Bool())
object FPU_LOAD extends Stageable(Bool())
object FPU_STORE extends Stageable(Bool())
object FPU_ALU extends Stageable(Bool())
object FPU_FORKED extends Stageable(Bool())
object FPU_OPCODE extends Stageable(FpuOpcode())
var port : FpuPort = null
override def setup(pipeline: VexRiscv): Unit = {
val decoderService = pipeline.service(classOf[DecoderService])
decoderService.addDefault(FPU_ENABLE, False)
decoderService.add(List(
FADD_S -> List(FPU_ENABLE -> True, FPU_OPCODE -> FpuOpcode.ADD, FPU_COMMIT -> True, FPU_ALU -> True , FPU_LOAD -> False, FPU_STORE -> False),
FLW -> List(FPU_ENABLE -> True, FPU_OPCODE -> FpuOpcode.LOAD, FPU_COMMIT -> True, FPU_ALU -> False, FPU_LOAD -> True , FPU_STORE -> False),
FSW -> List(FPU_ENABLE -> True, FPU_OPCODE -> FpuOpcode.STORE,FPU_COMMIT -> False, FPU_ALU -> False, FPU_LOAD -> False, FPU_STORE -> True)
))
port = FpuPort(p)
if(externalFpu) master(port)
val dBusEncoding = pipeline.service(classOf[DBusEncodingService])
dBusEncoding.addLoadWordEncoding(FLW)
dBusEncoding.addStoreWordEncoding(FSW)
}
override def build(pipeline: VexRiscv): Unit = {
import pipeline._
import pipeline.config._
val internal = !externalFpu generate pipeline plug new Area{
val fpu = FpuCore(1, p)
fpu.io.port(0).cmd << port.cmd
fpu.io.port(0).commit << port.commit
fpu.io.port(0).load << port.load
fpu.io.port(0).rsp >> port.rsp
}
decode plug new Area{
import decode._
//Maybe it might be better to not fork before fire to avoid RF stall on commits
val forked = Reg(Bool) setWhen(port.cmd.fire) clearWhen(!arbitration.isStuck) init(False)
arbitration.haltItself setWhen(port.cmd.isStall)
port.cmd.valid := arbitration.isValid && input(FPU_ENABLE) && !forked
port.cmd.opcode := input(FPU_OPCODE)
port.cmd.value := output(RS1)
port.cmd.function := 0
port.cmd.rs1 := input(INSTRUCTION)(rs1Range).asUInt
port.cmd.rs2 := input(INSTRUCTION)(rs2Range).asUInt
port.cmd.rs3 := input(INSTRUCTION)(rs3Range).asUInt
port.cmd.rd := input(INSTRUCTION)(rdRange).asUInt
port.cmd.format := FpuFormat.FLOAT
insert(FPU_FORKED) := forked || port.cmd.fire
}
memory plug new Area{
import memory._
val isCommit = input(FPU_FORKED) && input(FPU_COMMIT)
val commit = Stream(FpuCommit(p))
commit.valid := isCommit && arbitration.isMoving
commit.write := arbitration.isValid
arbitration.haltItself setWhen(isCommit && !commit.ready) //Assume commit.ready do not look at commit.valid
port.commit <-/< commit //TODO can't commit in memory, in case a load fail
}
writeBack plug new Area{
import writeBack._
val dBusEncoding = pipeline.service(classOf[DBusEncodingService])
val isLoad = input(FPU_FORKED) && input(FPU_LOAD)
val isStore = input(FPU_FORKED) && input(FPU_STORE)
//Manage $store and port.rsp
port.rsp.ready := False
when(isStore){
port.rsp.ready := True
when(arbitration.isValid) {
dBusEncoding.bypassStore(port.rsp.value)
}
when(!port.rsp.valid){
dBusEncoding.encodingHalt()
}
}
// Manage $load
val load = Stream(FpuLoad(p))
load.valid := isLoad && arbitration.isMoving
load.value.assignFromBits(output(DBUS_DATA))
when(arbitration.isValid && !load.ready){
dBusEncoding.encodingHalt()
}
port.load <-/< load
}
Component.current.afterElaboration{
pipeline.stages.tail.foreach(_.input(FPU_FORKED).init(False))
}
}
}

3
src/test/cpp/raw/common/asm.mk
View File

@ -18,6 +18,9 @@ endif
ifeq ($(COMPRESSED),yes) ifeq ($(COMPRESSED),yes)
MARCH := $(MARCH)c MARCH := $(MARCH)c
endif endif
ifeq ($(FLOATING),yes)
MARCH := $(MARCH)fd
endif
CFLAGS += -march=$(MARCH) -mabi=$(MABI) CFLAGS += -march=$(MARCH) -mabi=$(MABI)
LDFLAGS += -march=$(MARCH) -mabi=$(MABI) LDFLAGS += -march=$(MARCH) -mabi=$(MABI)

4
src/test/cpp/raw/fpu/.gitignore vendored Normal file
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@ -0,0 +1,4 @@
*.map
*.v
*.elf
*.o

247
src/test/cpp/raw/fpu/build/amo.asm Normal file
View File

@ -0,0 +1,247 @@
build/amo.elf: file format elf32-littleriscv
Disassembly of section .crt_section:
80000000 <_start>:
80000000: 00100e13 li t3,1
80000004: 00000097 auipc ra,0x0
80000008: 27408093 addi ra,ra,628 # 80000278 <test1_data>
8000000c: 02d00113 li sp,45
80000010: 0820a1af amoswap.w gp,sp,(ra)
80000014: 0000a203 lw tp,0(ra)
80000018: 02d00a13 li s4,45
8000001c: 224a1663 bne s4,tp,80000248 <fail>
80000020: 00b00a13 li s4,11
80000024: 223a1263 bne s4,gp,80000248 <fail>
80000028 <test2>:
80000028: 00200e13 li t3,2
8000002c: 00000097 auipc ra,0x0
80000030: 25008093 addi ra,ra,592 # 8000027c <test2_data>
80000034: 03700113 li sp,55
80000038: 0820a1af amoswap.w gp,sp,(ra)
8000003c: 0000a203 lw tp,0(ra)
80000040: 03700a13 li s4,55
80000044: 204a1263 bne s4,tp,80000248 <fail>
80000048: 01600a13 li s4,22
8000004c: 1e3a1e63 bne s4,gp,80000248 <fail>
80000050 <test3>:
80000050: 00300e13 li t3,3
80000054: 00000097 auipc ra,0x0
80000058: 22c08093 addi ra,ra,556 # 80000280 <test3_data>
8000005c: 04200113 li sp,66
80000060: 0020a1af amoadd.w gp,sp,(ra)
80000064: 0000a203 lw tp,0(ra)
80000068: 08b00a13 li s4,139
8000006c: 1c4a1e63 bne s4,tp,80000248 <fail>
80000070: 04900a13 li s4,73
80000074: 1c3a1a63 bne s4,gp,80000248 <fail>
80000078 <test4>:
80000078: 00400e13 li t3,4
8000007c: 00000097 auipc ra,0x0
80000080: 20808093 addi ra,ra,520 # 80000284 <test4_data>
80000084: 05700113 li sp,87
80000088: 2020a1af amoxor.w gp,sp,(ra)
8000008c: 0000a203 lw tp,0(ra)
80000090: 06d00a13 li s4,109
80000094: 1a4a1a63 bne s4,tp,80000248 <fail>
80000098: 03a00a13 li s4,58
8000009c: 1a3a1663 bne s4,gp,80000248 <fail>
800000a0 <test5>:
800000a0: 00500e13 li t3,5
800000a4: 00000097 auipc ra,0x0
800000a8: 1e408093 addi ra,ra,484 # 80000288 <test5_data>
800000ac: 02c00113 li sp,44
800000b0: 6020a1af amoand.w gp,sp,(ra)
800000b4: 0000a203 lw tp,0(ra)
800000b8: 02800a13 li s4,40
800000bc: 184a1663 bne s4,tp,80000248 <fail>
800000c0: 03800a13 li s4,56
800000c4: 183a1263 bne s4,gp,80000248 <fail>
800000c8 <test6>:
800000c8: 00600e13 li t3,6
800000cc: 00000097 auipc ra,0x0
800000d0: 1c008093 addi ra,ra,448 # 8000028c <test6_data>
800000d4: 01800113 li sp,24
800000d8: 4020a1af amoor.w gp,sp,(ra)
800000dc: 0000a203 lw tp,0(ra)
800000e0: 05b00a13 li s4,91
800000e4: 164a1263 bne s4,tp,80000248 <fail>
800000e8: 04b00a13 li s4,75
800000ec: 143a1e63 bne s4,gp,80000248 <fail>
800000f0 <test7>:
800000f0: 00700e13 li t3,7
800000f4: 00000097 auipc ra,0x0
800000f8: 19c08093 addi ra,ra,412 # 80000290 <test7_data>
800000fc: 01800113 li sp,24
80000100: 8020a1af amomin.w gp,sp,(ra)
80000104: 0000a203 lw tp,0(ra)
80000108: 01800a13 li s4,24
8000010c: 124a1e63 bne s4,tp,80000248 <fail>
80000110: 03800a13 li s4,56
80000114: 123a1a63 bne s4,gp,80000248 <fail>
80000118 <test8>:
80000118: 00800e13 li t3,8
8000011c: 00000097 auipc ra,0x0
80000120: 17808093 addi ra,ra,376 # 80000294 <test8_data>
80000124: 05800113 li sp,88
80000128: 8020a1af amomin.w gp,sp,(ra)
8000012c: 0000a203 lw tp,0(ra)
80000130: 05300a13 li s4,83
80000134: 104a1a63 bne s4,tp,80000248 <fail>
80000138: 05300a13 li s4,83
8000013c: 103a1663 bne s4,gp,80000248 <fail>
80000140 <test9>:
80000140: 00900e13 li t3,9
80000144: 00000097 auipc ra,0x0
80000148: 15408093 addi ra,ra,340 # 80000298 <test9_data>
8000014c: fca00113 li sp,-54
80000150: 8020a1af amomin.w gp,sp,(ra)
80000154: 0000a203 lw tp,0(ra)
80000158: fca00a13 li s4,-54
8000015c: 0e4a1663 bne s4,tp,80000248 <fail>
80000160: 02100a13 li s4,33
80000164: 0e3a1263 bne s4,gp,80000248 <fail>
80000168 <test10>:
80000168: 00a00e13 li t3,10
8000016c: 00000097 auipc ra,0x0
80000170: 13008093 addi ra,ra,304 # 8000029c <test10_data>
80000174: 03400113 li sp,52
80000178: 8020a1af amomin.w gp,sp,(ra)
8000017c: 0000a203 lw tp,0(ra)
80000180: fbf00a13 li s4,-65
80000184: 0c4a1263 bne s4,tp,80000248 <fail>
80000188: fbf00a13 li s4,-65
8000018c: 0a3a1e63 bne s4,gp,80000248 <fail>
80000190 <test11>:
80000190: 00b00e13 li t3,11
80000194: 00000097 auipc ra,0x0
80000198: 10c08093 addi ra,ra,268 # 800002a0 <test11_data>
8000019c: fcc00113 li sp,-52
800001a0: a020a1af amomax.w gp,sp,(ra)
800001a4: 0000a203 lw tp,0(ra)
800001a8: fcc00a13 li s4,-52
800001ac: 084a1e63 bne s4,tp,80000248 <fail>
800001b0: fa900a13 li s4,-87
800001b4: 083a1a63 bne s4,gp,80000248 <fail>
800001b8 <test12>:
800001b8: 00c00e13 li t3,12
800001bc: 00000097 auipc ra,0x0
800001c0: 0e808093 addi ra,ra,232 # 800002a4 <test12_data>
800001c4: 03400113 li sp,52
800001c8: a020a1af amomax.w gp,sp,(ra)
800001cc: 0000a203 lw tp,0(ra)
800001d0: 03400a13 li s4,52
800001d4: 064a1a63 bne s4,tp,80000248 <fail>
800001d8: fc900a13 li s4,-55
800001dc: 063a1663 bne s4,gp,80000248 <fail>
800001e0 <test13>:
800001e0: 00d00e13 li t3,13
800001e4: 00000097 auipc ra,0x0
800001e8: 0c408093 addi ra,ra,196 # 800002a8 <test13_data>
800001ec: ffff0137 lui sp,0xffff0
800001f0: c020a1af amominu.w gp,sp,(ra)
800001f4: 0000a203 lw tp,0(ra)
800001f8: ffff0a37 lui s4,0xffff0
800001fc: 044a1663 bne s4,tp,80000248 <fail>
80000200: ffff0a37 lui s4,0xffff0
80000204: 004a0a13 addi s4,s4,4 # ffff0004 <test14_data+0x7ffefd58>
80000208: 043a1063 bne s4,gp,80000248 <fail>
8000020c: 0480006f j 80000254 <pass>
80000210 <test14>:
80000210: 00e00e13 li t3,14
80000214: 00000097 auipc ra,0x0
80000218: 09808093 addi ra,ra,152 # 800002ac <test14_data>
8000021c: ffff0137 lui sp,0xffff0
80000220: 00c10113 addi sp,sp,12 # ffff000c <test14_data+0x7ffefd60>
80000224: e020a1af amomaxu.w gp,sp,(ra)
80000228: 0000a203 lw tp,0(ra)
8000022c: ffff0a37 lui s4,0xffff0
80000230: 00ca0a13 addi s4,s4,12 # ffff000c <test14_data+0x7ffefd60>
80000234: 004a1a63 bne s4,tp,80000248 <fail>
80000238: ffff0a37 lui s4,0xffff0
8000023c: 005a0a13 addi s4,s4,5 # ffff0005 <test14_data+0x7ffefd59>
80000240: 003a1463 bne s4,gp,80000248 <fail>
80000244: 0100006f j 80000254 <pass>
80000248 <fail>:
80000248: f0100137 lui sp,0xf0100
8000024c: f2410113 addi sp,sp,-220 # f00fff24 <test14_data+0x700ffc78>
80000250: 01c12023 sw t3,0(sp)
80000254 <pass>:
80000254: f0100137 lui sp,0xf0100
80000258: f2010113 addi sp,sp,-224 # f00fff20 <test14_data+0x700ffc74>
8000025c: 00012023 sw zero,0(sp)
80000260: 00000013 nop
80000264: 00000013 nop
80000268: 00000013 nop
8000026c: 00000013 nop
80000270: 00000013 nop
80000274: 00000013 nop
80000278 <test1_data>:
80000278: 0000000b 0xb
8000027c <test2_data>:
8000027c: 0016 c.slli zero,0x5
...
80000280 <test3_data>:
80000280: 0049 c.nop 18
...
80000284 <test4_data>:
80000284: 003a c.slli zero,0xe
...
80000288 <test5_data>:
80000288: 0038 addi a4,sp,8
...
8000028c <test6_data>:
8000028c: 0000004b fnmsub.s ft0,ft0,ft0,ft0,rne
80000290 <test7_data>:
80000290: 0038 addi a4,sp,8
...
80000294 <test8_data>:
80000294: 00000053 fadd.s ft0,ft0,ft0,rne
80000298 <test9_data>:
80000298: 0021 c.nop 8
...
8000029c <test10_data>:
8000029c: ffffffbf 0xffffffbf
800002a0 <test11_data>:
800002a0: ffa9 bnez a5,800001fa <test13+0x1a>
800002a2: ffff 0xffff
800002a4 <test12_data>:
800002a4: ffc9 bnez a5,8000023e <test14+0x2e>
800002a6: ffff 0xffff
800002a8 <test13_data>:
800002a8: 0004 0x4
800002aa: ffff 0xffff
800002ac <test14_data>:
800002ac: 0005 c.nop 1
800002ae: ffff 0xffff

45
src/test/cpp/raw/fpu/build/amo.hex Normal file
View File

@ -0,0 +1,45 @@
:0200000480007A
:10000000130E100097000000938040271301D002C8
:10001000AFA1200803A20000130AD00263164A22EF
:10002000130AB00063123A22130E2000970000005A
:100030009380002513017003AFA1200803A20000E4
:10004000130A700363124A20130A6001631E3A1EEA
:10005000130E3000970000009380C022130120048B
:10006000AFA1200003A20000130AB008631E4A1CBF
:10007000130A9004631A3A1C130E40009700000004
:100080009380802013017005AFA1202003A20000FF
:10009000130AD006631A4A1A130AA00363163A1AFF
:1000A000130E5000970000009380401E1301C00201
:1000B000AFA1206003A20000130A800263164A1851
:1000C000130A800363123A18130E600097000000B1
:1000D0009380001C13018001AFA1204003A2000007
:1000E000130AB00563124A16130AB004631E3A14C9
:1000F000130E7000970000009380C0191301800157
:10010000AFA1208003A20000130A8001631E4A12DF
:10011000130A8003631A3A12130E8000970000003E
:100120009380801713018005AFA1208003A20000F7
:10013000130A3005631A4A10130A300563163A1081
:10014000130E900097000000938040151301A0FC4F
:10015000AFA1208003A20000130AA0FC63164A0E80
:10016000130A100263123A0E130EA000970000004B
:100170009380001313014003AFA1208003A200006D
:10018000130AF0FB63124A0C130AF0FB631E3A0ACF
:10019000130EB000970000009380C0101301C0FC44
:1001A000AFA120A003A20000130AC0FC631E4A08EE
:1001B000130A90FA631A3A08130EC0009700000061
:1001C0009380800E13014003AFA120A003A2000082
:1001D000130A4003631A4A06130A90FC63163A0690
:1001E000130ED000970000009380400C3701FFFFF2
:1001F000AFA120C003A20000370AFFFF63164A0424
:10020000370AFFFF130A4A0063103A046F008004A4
:10021000130EE00097000000938080093701FFFF74
:100220001301C100AFA120E003A20000370AFFFFC5
:10023000130ACA00631A4A00370AFFFF130A5A005A
:1002400063143A006F000001370110F0130141F20E
:100250002320C101370110F0130101F22320010016
:100260001300000013000000130000001300000042
:1002700013000000130000000B0000001600000037
:10028000490000003A000000380000004B00000068
:10029000380000005300000021000000BFFFFFFFF6
:1002A000A9FFFFFFC9FFFFFF0400FFFF0500FFFFDD
:00000001FF

224
src/test/cpp/raw/fpu/build/fpu.asm Normal file
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@ -0,0 +1,224 @@
build/fpu.elf: file format elf32-littleriscv
Disassembly of section .crt_section:
80000000 <_start>:
80000000: 00100e13 li t3,1
80000004: 00000013 nop
80000008: 00000013 nop
8000000c: 00000013 nop
80000010: 00000013 nop
80000014: 00107153 fadd.s ft2,ft0,ft1
80000018: 00000013 nop
8000001c: 00000013 nop
80000020: 00000013 nop
80000024: 00000013 nop
80000028: 0180006f j 80000040 <test2>
8000002c: 00000013 nop
80000030: 00000013 nop
80000034: 00000013 nop
80000038: 00000013 nop
8000003c: 00000013 nop
80000040 <test2>:
80000040: 00200e13 li t3,2
80000044: 00000097 auipc ra,0x0
80000048: 1fc0a083 lw ra,508(ra) # 80000240 <test1_data>
8000004c: 00107153 fadd.s ft2,ft0,ft1
80000050: 00000013 nop
80000054: 00000013 nop
80000058: 00000013 nop
8000005c: 00000013 nop
80000060: 0200006f j 80000080 <test3>
80000064: 00000013 nop
80000068: 00000013 nop
8000006c: 00000013 nop
80000070: 00000013 nop
80000074: 00000013 nop
80000078: 00000013 nop
8000007c: 00000013 nop
80000080 <test3>:
80000080: 00300e13 li t3,3
80000084: 00000013 nop
80000088: 00000013 nop
8000008c: 00000013 nop
80000090: 00000013 nop
80000094: 0080006f j 8000009c <skip>
80000098: 00107153 fadd.s ft2,ft0,ft1
8000009c <skip>:
8000009c: 0240006f j 800000c0 <test4>
800000a0: 00000013 nop
800000a4: 00000013 nop
800000a8: 00000013 nop
800000ac: 00000013 nop
800000b0: 00000013 nop
800000b4: 00000013 nop
800000b8: 00000013 nop
800000bc: 00000013 nop
800000c0 <test4>:
800000c0: 00400e13 li t3,4
800000c4: 00000013 nop
800000c8: 00000013 nop
800000cc: 00000013 nop
800000d0: 00000013 nop
800000d4: 00000097 auipc ra,0x0
800000d8: 16c08093 addi ra,ra,364 # 80000240 <test1_data>
800000dc: 0000a107 flw ft2,0(ra)
800000e0: 00000013 nop
800000e4: 00000013 nop
800000e8: 00000013 nop
800000ec: 00000013 nop
800000f0: 0100006f j 80000100 <test5>
800000f4: 00000013 nop
800000f8: 00000013 nop
800000fc: 00000013 nop
80000100 <test5>:
80000100: 00500e13 li t3,5
80000104: 00000013 nop
80000108: 00000013 nop
8000010c: 00000013 nop
80000110: 00000013 nop
80000114: 00000097 auipc ra,0x0
80000118: 12c08093 addi ra,ra,300 # 80000240 <test1_data>
8000011c: 00000117 auipc sp,0x0
80000120: 12810113 addi sp,sp,296 # 80000244 <test2_data>
80000124: 0000a087 flw ft1,0(ra)
80000128: 00012107 flw ft2,0(sp)
8000012c: 0020f1d3 fadd.s ft3,ft1,ft2
80000130: 00000013 nop
80000134: 00000013 nop
80000138: 00000013 nop
8000013c: 00000013 nop
80000140: 0400006f j 80000180 <test6>
80000144: 00000013 nop
80000148: 00000013 nop
8000014c: 00000013 nop
80000150: 00000013 nop
80000154: 00000013 nop
80000158: 00000013 nop
8000015c: 00000013 nop
80000160: 00000013 nop
80000164: 00000013 nop
80000168: 00000013 nop
8000016c: 00000013 nop
80000170: 00000013 nop
80000174: 00000013 nop
80000178: 00000013 nop
8000017c: 00000013 nop
80000180 <test6>:
80000180: 00600e13 li t3,6
80000184: 00000013 nop
80000188: 00000013 nop
8000018c: 00000013 nop
80000190: 00000013 nop
80000194: 00000097 auipc ra,0x0
80000198: 0b408093 addi ra,ra,180 # 80000248 <test3_data>
8000019c: 0030a027 fsw ft3,0(ra)
800001a0: 00000013 nop
800001a4: 00000013 nop
800001a8: 00000013 nop
800001ac: 00000013 nop
800001b0: 0100006f j 800001c0 <test7>
800001b4: 00000013 nop
800001b8: 00000013 nop
800001bc: 00000013 nop
800001c0 <test7>:
800001c0: 00700e13 li t3,7
800001c4: 00000097 auipc ra,0x0
800001c8: 08408093 addi ra,ra,132 # 80000248 <test3_data>
800001cc: 00000117 auipc sp,0x0
800001d0: 08010113 addi sp,sp,128 # 8000024c <test4_data>
800001d4: 00000197 auipc gp,0x0
800001d8: 07c18193 addi gp,gp,124 # 80000250 <test5_data>
800001dc: 00000217 auipc tp,0x0
800001e0: 07820213 addi tp,tp,120 # 80000254 <test6_data>
800001e4: 0000a207 flw ft4,0(ra)
800001e8: 00427253 fadd.s ft4,ft4,ft4
800001ec: 0040f2d3 fadd.s ft5,ft1,ft4
800001f0: 00412027 fsw ft4,0(sp)
800001f4: 0051a027 fsw ft5,0(gp)
800001f8: 00122027 fsw ft1,0(tp) # 0 <_start-0x80000000>
800001fc: 00000013 nop
80000200: 00000013 nop
80000204: 00000013 nop
80000208: 00000013 nop
8000020c: 0100006f j 8000021c <pass>
80000210 <fail>:
80000210: f0100137 lui sp,0xf0100
80000214: f2410113 addi sp,sp,-220 # f00fff24 <test14_data+0x700ffcb0>
80000218: 01c12023 sw t3,0(sp)
8000021c <pass>:
8000021c: f0100137 lui sp,0xf0100
80000220: f2010113 addi sp,sp,-224 # f00fff20 <test14_data+0x700ffcac>
80000224: 00012023 sw zero,0(sp)
80000228: 00000013 nop
8000022c: 00000013 nop
80000230: 00000013 nop
80000234: 00000013 nop
80000238: 00000013 nop
8000023c: 00000013 nop
80000240 <test1_data>:
80000240: 0000 unimp
80000242: 3fc0 fld fs0,184(a5)
80000244 <test2_data>:
80000244: 0000 unimp
80000246: 40a0 lw s0,64(s1)
80000248 <test3_data>:
80000248: 0049 c.nop 18
...
8000024c <test4_data>:
8000024c: 003a c.slli zero,0xe
...
80000250 <test5_data>:
80000250: 0038 addi a4,sp,8
...
80000254 <test6_data>:
80000254: 0000004b fnmsub.s ft0,ft0,ft0,ft0,rne
80000258 <test7_data>:
80000258: 0038 addi a4,sp,8
...
8000025c <test8_data>:
8000025c: 00000053 fadd.s ft0,ft0,ft0,rne
80000260 <test9_data>:
80000260: 0021 c.nop 8
...
80000264 <test10_data>:
80000264: ffffffbf 0xffffffbf
80000268 <test11_data>:
80000268: ffa9 bnez a5,800001c2 <test7+0x2>
8000026a: ffff 0xffff
8000026c <test12_data>:
8000026c: ffc9 bnez a5,80000206 <test7+0x46>
8000026e: ffff 0xffff
80000270 <test13_data>:
80000270: 0004 0x4
80000272: ffff 0xffff
80000274 <test14_data>:
80000274: 0005 c.nop 1
80000276: ffff 0xffff
80000278: 0000 unimp
...

42
src/test/cpp/raw/fpu/build/fpu.hex Normal file
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@ -0,0 +1,42 @@
:0200000480007A
:10000000130E100013000000130000001300000086
:1000100013000000537110001300000013000000D3
:1000200013000000130000006F00800113000000A7
:100030001300000013000000130000001300000074
:10004000130E20009700000083A0C01F5371100002
:100050001300000013000000130000001300000054
:100060006F000002130000001300000013000000E6
:100070001300000013000000130000001300000034
:10008000130E3000130000001300000013000000E6
:10009000130000006F008000537110006F004002D9
:1000A0001300000013000000130000001300000004
:1000B00013000000130000001300000013000000F4
:1000C000130E400013000000130000001300000096
:1000D00013000000970000009380C01607A10000E5
:1000E00013000000130000001300000013000000C4
:1000F0006F00000113000000130000001300000057
:10010000130E500013000000130000001300000045
:1001100013000000970000009380C0121701000038
:100120001301811287A0000007210100D3F12000F4
:100130001300000013000000130000001300000073
:100140006F00000413000000130000001300000003
:100150001300000013000000130000001300000053
:100160001300000013000000130000001300000043
:100170001300000013000000130000001300000033
:10018000130E6000130000001300000013000000B5
:1001900013000000970000009380400B27A0300060
:1001A0001300000013000000130000001300000003
:1001B0006F00000113000000130000001300000096
:1001C000130E700097000000938040081701000094
:1001D00013010108970100009381C1071702000075
:1001E0001302820707A2000053724200D3F24000BC
:1001F0002720410027A051002720120013000000F3
:100200001300000013000000130000006F00000145
:10021000370110F0130141F22320C101370110F022
:10022000130101F22320010013000000130000005D
:100230001300000013000000130000001300000072
:100240000000C03F0000A040490000003A0000004C
:10025000380000004B000000380000005300000090
:1002600021000000BFFFFFFFA9FFFFFFC9FFFFFF45
:0C0270000400FFFF0500FFFF000000007D
:00000001FF

5
src/test/cpp/raw/fpu/makefile Normal file
View File

@ -0,0 +1,5 @@
PROJ_NAME=fpu
FLOATING=yes
include ../common/asm.mk

161
src/test/cpp/raw/fpu/src/crt.S Normal file
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@ -0,0 +1,161 @@
.globl _star
#define TEST_ID x28
_start:
#define assert(reg, value) \
li x20, value; \
bne x20, reg, fail;
test1:
li TEST_ID, 1
nop
nop
nop
nop
fadd.s f2, f0, f1
nop
nop
nop
nop
j test2
.align 6
test2:
li TEST_ID, 2
lw x1, test1_data
fadd.s f2, f0, f1
nop
nop
nop
nop
j test3
.align 6
test3:
li TEST_ID, 3
nop
nop
nop
nop
j skip
fadd.s f2, f0, f1
skip:
j test4
.align 6
test4:
li TEST_ID, 4
nop
nop
nop
nop
la x1, test1_data
flw f2, 0(x1)
nop
nop
nop
nop
j test5
.align 6
test5:
li TEST_ID, 5
nop
nop
nop
nop
la x1, test1_data
la x2, test2_data
flw f1, 0(x1)
flw f2, 0(x2)
fadd.s f3, f1, f2
nop
nop
nop
nop
j test6
.align 6
test6:
li TEST_ID, 6
nop
nop
nop
nop
la x1, test3_data
fsw f3, 0(x1)
nop
nop
nop
nop
j test7
.align 6
test7:
li TEST_ID, 7
la x1, test3_data
la x2, test4_data
la x3, test5_data
la x4, test6_data
flw f4, 0(x1)
fadd.s f4, f4, f4
fadd.s f5, f1, f4
fsw f4, 0(x2)
fsw f5, 0(x3)
fsw f1, 0(x4)
nop
nop
nop
nop
/* la x1, test1_data
li x2, 45
amoswap.w x3,x2,(x1)
lw x4, 0(x1)
assert(x4, 45)
assert(x3, 11)*/
j pass
fail:
li x2, 0xF00FFF24
sw TEST_ID, 0(x2)
pass:
li x2, 0xF00FFF20
sw x0, 0(x2)
nop
nop
nop
nop
nop
nop
test1_data: .word 0x3fc00000 //1.5f
test2_data: .word 0x40a00000 //5.0f
test3_data: .word 73
test4_data: .word 58
test5_data: .word 56
test6_data: .word 75
test7_data: .word 56
test8_data: .word 83
test9_data: .word 33
test10_data: .word -65
test11_data: .word -87
test12_data: .word -55
test13_data: .word 0xFFFF0004
test14_data: .word 0xFFFF0005

16
src/test/cpp/raw/fpu/src/ld Normal file
View File

@ -0,0 +1,16 @@
OUTPUT_ARCH( "riscv" )
MEMORY {
onChipRam (W!RX)/*(RX)*/ : ORIGIN = 0x80000000, LENGTH = 128K
}
SECTIONS
{
.crt_section :
{
. = ALIGN(4);
*crt.o(.text)
} > onChipRam
}

4
src/test/cpp/regression/main.cpp
View File

@ -1309,7 +1309,9 @@ public:
} }
Workspace* withRiscvRef(){ Workspace* withRiscvRef(){
#ifdef WITH_RISCV_REF
riscvRefEnable = true; riscvRefEnable = true;
#endif
return this; return this;
} }
@ -3862,8 +3864,6 @@ int main(int argc, char **argv, char **env) {
timespec startedAt = timer_start(); timespec startedAt = timer_start();
//#ifdef LITEX //#ifdef LITEX
// LitexSoC("linux") // LitexSoC("linux")
// .withRiscvRef() // .withRiscvRef()

5
src/test/cpp/regression/makefile
View File

@ -27,6 +27,7 @@ NO_STALL?=no
DEBUG_PLUGIN?=STD DEBUG_PLUGIN?=STD
DEBUG_PLUGIN_EXTERNAL?=no DEBUG_PLUGIN_EXTERNAL?=no
RUN_HEX=no RUN_HEX=no
WITH_RISCV_REF=yes
CUSTOM_SIMD_ADD?=no CUSTOM_SIMD_ADD?=no
CUSTOM_CSR?=no CUSTOM_CSR?=no
DHRYSTONE=yes DHRYSTONE=yes
@ -128,6 +129,10 @@ ifeq ($(COREMARK),yes)
ADDCFLAGS += -CFLAGS -DCOREMARK ADDCFLAGS += -CFLAGS -DCOREMARK
endif endif
ifeq ($(WITH_RISCV_REF),yes)
ADDCFLAGS += -CFLAGS -DWITH_RISCV_REF
endif
ifneq ($(shell grep timerInterrupt ${VEXRISCV_FILE} -w),) ifneq ($(shell grep timerInterrupt ${VEXRISCV_FILE} -w),)

199
src/test/scala/vexriscv/DhrystoneBench.scala
View File

@ -50,100 +50,100 @@ class DhrystoneBench extends FunSuite {
} }
for(withMemoryStage <- List(false, true)){ // for(withMemoryStage <- List(false, true)){
val stages = if(withMemoryStage) "Three" else "Two" // val stages = if(withMemoryStage) "Three" else "Two"
getDmips( // getDmips(
name = s"Gen${stages}StageArty", // name = s"Gen${stages}StageArty",
gen = SpinalVerilog(GenTwoThreeStage.cpu( // gen = SpinalVerilog(GenTwoThreeStage.cpu(
withMulDiv = false, // withMulDiv = false,
bypass = false, // bypass = false,
barrielShifter = false, // barrielShifter = false,
withMemoryStage = withMemoryStage // withMemoryStage = withMemoryStage
)), // )),
testCmd = "make clean run REDO=10 IBUS=SIMPLE DBUS=SIMPLE CSR=no MMU=no DEBUG_PLUGIN=no MUL=no DIV=no COREMARK=yes" // testCmd = "make clean run REDO=10 IBUS=SIMPLE DBUS=SIMPLE CSR=no MMU=no DEBUG_PLUGIN=no MUL=no DIV=no COREMARK=yes"
) // )
getDmips( // getDmips(
name = s"Gen${stages}StageBarrielArty", // name = s"Gen${stages}StageBarrielArty",
gen = SpinalVerilog(GenTwoThreeStage.cpu( // gen = SpinalVerilog(GenTwoThreeStage.cpu(
withMulDiv = false, // withMulDiv = false,
bypass = true, // bypass = true,
barrielShifter = true, // barrielShifter = true,
withMemoryStage = withMemoryStage // withMemoryStage = withMemoryStage
)), // )),
testCmd = "make clean run REDO=10 IBUS=SIMPLE DBUS=SIMPLE CSR=no MMU=no DEBUG_PLUGIN=no MUL=no DIV=no COREMARK=yes" // testCmd = "make clean run REDO=10 IBUS=SIMPLE DBUS=SIMPLE CSR=no MMU=no DEBUG_PLUGIN=no MUL=no DIV=no COREMARK=yes"
) // )
getDmips( // getDmips(
name = s"Gen${stages}StageMDArty", // name = s"Gen${stages}StageMDArty",
gen = SpinalVerilog(GenTwoThreeStage.cpu( // gen = SpinalVerilog(GenTwoThreeStage.cpu(
withMulDiv = true, // withMulDiv = true,
bypass = false, // bypass = false,
barrielShifter = false, // barrielShifter = false,
withMemoryStage = withMemoryStage // withMemoryStage = withMemoryStage
)), // )),
testCmd = "make clean run REDO=10 IBUS=SIMPLE DBUS=SIMPLE CSR=no MMU=no DEBUG_PLUGIN=no MUL=yes DIV=yes COREMARK=yes" // testCmd = "make clean run REDO=10 IBUS=SIMPLE DBUS=SIMPLE CSR=no MMU=no DEBUG_PLUGIN=no MUL=yes DIV=yes COREMARK=yes"
) // )
getDmips( // getDmips(
name = s"Gen${stages}StageMDBarrielArty", // name = s"Gen${stages}StageMDBarrielArty",
gen = SpinalVerilog(GenTwoThreeStage.cpu( // gen = SpinalVerilog(GenTwoThreeStage.cpu(
withMulDiv = true, // withMulDiv = true,
bypass = true, // bypass = true,
barrielShifter = true, // barrielShifter = true,
withMemoryStage = withMemoryStage // withMemoryStage = withMemoryStage
)), // )),
testCmd = "make clean run REDO=10 IBUS=SIMPLE DBUS=SIMPLE CSR=no MMU=no DEBUG_PLUGIN=no MUL=yes DIV=yes COREMARK=yes" // testCmd = "make clean run REDO=10 IBUS=SIMPLE DBUS=SIMPLE CSR=no MMU=no DEBUG_PLUGIN=no MUL=yes DIV=yes COREMARK=yes"
) // )
} // }
//
getDmips( // getDmips(
name = "GenSmallestNoCsr", // name = "GenSmallestNoCsr",
gen = GenSmallestNoCsr.main(null), // gen = GenSmallestNoCsr.main(null),
testCmd = "make clean run REDO=10 IBUS=SIMPLE DBUS=SIMPLE CSR=no MMU=no DEBUG_PLUGIN=no MUL=no DIV=no COREMARK=yes" // testCmd = "make clean run REDO=10 IBUS=SIMPLE DBUS=SIMPLE CSR=no MMU=no DEBUG_PLUGIN=no MUL=no DIV=no COREMARK=yes"
) // )
//
//
getDmips( // getDmips(
name = "GenSmallest", // name = "GenSmallest",
gen = GenSmallest.main(null), // gen = GenSmallest.main(null),
testCmd = "make clean run REDO=10 IBUS=SIMPLE DBUS=SIMPLE CSR=no MMU=no DEBUG_PLUGIN=no MUL=no DIV=no COREMARK=yes" // testCmd = "make clean run REDO=10 IBUS=SIMPLE DBUS=SIMPLE CSR=no MMU=no DEBUG_PLUGIN=no MUL=no DIV=no COREMARK=yes"
) // )
//
//
getDmips( // getDmips(
name = "GenSmallAndProductive", // name = "GenSmallAndProductive",
gen = GenSmallAndProductive.main(null), // gen = GenSmallAndProductive.main(null),
testCmd = "make clean run REDO=10 IBUS=SIMPLE DBUS=SIMPLE CSR=no MMU=no DEBUG_PLUGIN=no MUL=no DIV=no COREMARK=yes" // testCmd = "make clean run REDO=10 IBUS=SIMPLE DBUS=SIMPLE CSR=no MMU=no DEBUG_PLUGIN=no MUL=no DIV=no COREMARK=yes"
) // )
//
getDmips( // getDmips(
name = "GenSmallAndProductiveWithICache", // name = "GenSmallAndProductiveWithICache",
gen = GenSmallAndProductiveICache.main(null), // gen = GenSmallAndProductiveICache.main(null),
testCmd = "make clean run REDO=10 IBUS=CACHED DBUS=SIMPLE CSR=no MMU=no DEBUG_PLUGIN=no MUL=no DIV=no COREMARK=yes" // testCmd = "make clean run REDO=10 IBUS=CACHED DBUS=SIMPLE CSR=no MMU=no DEBUG_PLUGIN=no MUL=no DIV=no COREMARK=yes"
) // )
//
//
getDmips( // getDmips(
name = "GenFullNoMmuNoCache", // name = "GenFullNoMmuNoCache",
gen = GenFullNoMmuNoCache.main(null), // gen = GenFullNoMmuNoCache.main(null),
testCmd = "make clean run REDO=10 IBUS=SIMPLE DBUS=SIMPLE CSR=no MMU=no COREMARK=yes" // testCmd = "make clean run REDO=10 IBUS=SIMPLE DBUS=SIMPLE CSR=no MMU=no COREMARK=yes"
) // )
//
getDmips( // getDmips(
name = "GenNoCacheNoMmuMaxPerf", // name = "GenNoCacheNoMmuMaxPerf",
gen = GenNoCacheNoMmuMaxPerf.main(null), // gen = GenNoCacheNoMmuMaxPerf.main(null),
testCmd = "make clean run REDO=10 MMU=no CSR=no DBUS=SIMPLE IBUS=SIMPLE COREMARK=yes" // testCmd = "make clean run REDO=10 MMU=no CSR=no DBUS=SIMPLE IBUS=SIMPLE COREMARK=yes"
) // )
//
//
getDmips( // getDmips(
name = "GenFullNoMmuMaxPerf", // name = "GenFullNoMmuMaxPerf",
gen = GenFullNoMmuMaxPerf.main(null), // gen = GenFullNoMmuMaxPerf.main(null),
testCmd = "make clean run REDO=10 MMU=no CSR=no COREMARK=yes" // testCmd = "make clean run REDO=10 MMU=no CSR=no COREMARK=yes"
) // )
getDmips( // getDmips(
name = "GenFullNoMmu", // name = "GenFullNoMmu",
gen = GenFullNoMmu.main(null), // gen = GenFullNoMmu.main(null),
testCmd = "make clean run REDO=10 MMU=no CSR=no COREMARK=yes" // testCmd = "make clean run REDO=10 MMU=no CSR=no COREMARK=yes"
) // )
getDmips( getDmips(
name = "GenFull", name = "GenFull",
@ -151,12 +151,11 @@ class DhrystoneBench extends FunSuite {
testCmd = "make clean run REDO=10 CSR=no MMU=no COREMARK=yes" testCmd = "make clean run REDO=10 CSR=no MMU=no COREMARK=yes"
) )
getDmips( // getDmips(
name = "GenLinuxBalenced", // name = "GenLinuxBalenced",
gen = LinuxGen.main(Array.fill[String](0)("")), // gen = LinuxGen.main(Array.fill[String](0)("")),
testCmd = "make clean run IBUS=CACHED DBUS=CACHED DEBUG_PLUGIN=STD DHRYSTONE=yes SUPERVISOR=yes MMU=no CSR=yes CSR_SKIP_TEST=yes COMPRESSED=no MUL=yes DIV=yes LRSC=yes AMO=yes REDO=10 TRACE=no COREMARK=yes LINUX_REGRESSION=no" // testCmd = "make clean run IBUS=CACHED DBUS=CACHED DEBUG_PLUGIN=STD DHRYSTONE=yes SUPERVISOR=yes MMU=no CSR=yes CSR_SKIP_TEST=yes COMPRESSED=no MUL=yes DIV=yes LRSC=yes AMO=yes REDO=10 TRACE=no COREMARK=yes LINUX_REGRESSION=no"
) // )
// //make run IBUS=CACHED DBUS=CACHED DEBUG_PLUGIN=STD DHRYSTONE=yess SUPERVISOR=yes CSR=yes COMPRESSED=no MUL=yes DIV=yes LRSC=yes AMO=yes REDO=1 TRACE=no LINUX_REGRESSION=yes SEED=42
test("final_report") { test("final_report") {

53
src/test/scala/vexriscv/ip/fpu/FpuTest.scala
View File

@ -16,32 +16,47 @@ class FpuTest extends FunSuite{
test("directed"){ test("directed"){
val portCount = 1
val p = FpuParameter( val p = FpuParameter(
internalMantissaSize = 23, internalMantissaSize = 23,
withDouble = false, withDouble = false
sourceCount = 1
) )
SimConfig.withFstWave.compile(new FpuCore(p)).doSim(seed = 42){ dut => SimConfig.withFstWave.compile(new FpuCore(1, p)).doSim(seed = 42){ dut =>
dut.clockDomain.forkStimulus(10) dut.clockDomain.forkStimulus(10)
val cpus = for(id <- 0 until 1 << p.sourceWidth) yield new { val cpus = for(id <- 0 until portCount) yield new {
val cmdQueue = mutable.Queue[FpuCmd => Unit]() val cmdQueue = mutable.Queue[FpuCmd => Unit]()
val commitQueue = mutable.Queue[FpuCommit => Unit]() val commitQueue = mutable.Queue[FpuCommit => Unit]()
val loadQueue = mutable.Queue[FpuLoad => Unit]() val loadQueue = mutable.Queue[FpuLoad => Unit]()
val rspQueue = mutable.Queue[FpuRsp => Unit]() val rspQueue = mutable.Queue[FpuRsp => Unit]()
StreamDriver(dut.io.port.commit(id) ,dut.clockDomain){payload => StreamDriver(dut.io.port(id).cmd ,dut.clockDomain){payload =>
if(cmdQueue.isEmpty) false else {
cmdQueue.dequeue().apply(payload)
true
}
}
StreamMonitor(dut.io.port(id)rsp, dut.clockDomain){payload =>
rspQueue.dequeue().apply(payload)
}
StreamReadyRandomizer(dut.io.port(id).rsp, dut.clockDomain)
StreamDriver(dut.io.port(id).commit ,dut.clockDomain){payload =>
if(commitQueue.isEmpty) false else { if(commitQueue.isEmpty) false else {
commitQueue.dequeue().apply(payload) commitQueue.dequeue().apply(payload)
true true
} }
} }
StreamDriver(dut.io.port.load(id) ,dut.clockDomain){payload => StreamDriver(dut.io.port(id).load ,dut.clockDomain){payload =>
if(loadQueue.isEmpty) false else { if(loadQueue.isEmpty) false else {
loadQueue.dequeue().apply(payload) loadQueue.dequeue().apply(payload)
true true
@ -50,7 +65,6 @@ class FpuTest extends FunSuite{
def loadRaw(rd : Int, value : BigInt): Unit ={ def loadRaw(rd : Int, value : BigInt): Unit ={
cmdQueue += {cmd => cmdQueue += {cmd =>
cmd.source #= id
cmd.opcode #= cmd.opcode.spinalEnum.LOAD cmd.opcode #= cmd.opcode.spinalEnum.LOAD
cmd.value.randomize() cmd.value.randomize()
cmd.rs1.randomize() cmd.rs1.randomize()
@ -72,7 +86,6 @@ class FpuTest extends FunSuite{
def storeRaw(rs : Int)(body : FpuRsp => Unit): Unit ={ def storeRaw(rs : Int)(body : FpuRsp => Unit): Unit ={
cmdQueue += {cmd => cmdQueue += {cmd =>
cmd.source #= id
cmd.opcode #= cmd.opcode.spinalEnum.STORE cmd.opcode #= cmd.opcode.spinalEnum.STORE
cmd.value.randomize() cmd.value.randomize()
cmd.rs1.randomize() cmd.rs1.randomize()
@ -90,7 +103,6 @@ class FpuTest extends FunSuite{
def mul(rd : Int, rs1 : Int, rs2 : Int): Unit ={ def mul(rd : Int, rs1 : Int, rs2 : Int): Unit ={
cmdQueue += {cmd => cmdQueue += {cmd =>
cmd.source #= id
cmd.opcode #= cmd.opcode.spinalEnum.MUL cmd.opcode #= cmd.opcode.spinalEnum.MUL
cmd.value.randomize() cmd.value.randomize()
cmd.rs1 #= rs1 cmd.rs1 #= rs1
@ -105,7 +117,6 @@ class FpuTest extends FunSuite{
def add(rd : Int, rs1 : Int, rs2 : Int): Unit ={ def add(rd : Int, rs1 : Int, rs2 : Int): Unit ={
cmdQueue += {cmd => cmdQueue += {cmd =>
cmd.source #= id
cmd.opcode #= cmd.opcode.spinalEnum.ADD cmd.opcode #= cmd.opcode.spinalEnum.ADD
cmd.value.randomize() cmd.value.randomize()
cmd.rs1 #= rs1 cmd.rs1 #= rs1
@ -120,7 +131,6 @@ class FpuTest extends FunSuite{
def div(rd : Int, rs1 : Int, rs2 : Int): Unit ={ def div(rd : Int, rs1 : Int, rs2 : Int): Unit ={
cmdQueue += {cmd => cmdQueue += {cmd =>
cmd.source #= id
cmd.opcode #= cmd.opcode.spinalEnum.DIV cmd.opcode #= cmd.opcode.spinalEnum.DIV
cmd.value.randomize() cmd.value.randomize()
cmd.rs1 #= rs1 cmd.rs1 #= rs1
@ -135,7 +145,6 @@ class FpuTest extends FunSuite{
def sqrt(rd : Int, rs1 : Int): Unit ={ def sqrt(rd : Int, rs1 : Int): Unit ={
cmdQueue += {cmd => cmdQueue += {cmd =>
cmd.source #= id
cmd.opcode #= cmd.opcode.spinalEnum.SQRT cmd.opcode #= cmd.opcode.spinalEnum.SQRT
cmd.value.randomize() cmd.value.randomize()
cmd.rs1 #= rs1 cmd.rs1 #= rs1
@ -150,7 +159,6 @@ class FpuTest extends FunSuite{
def fma(rd : Int, rs1 : Int, rs2 : Int, rs3 : Int): Unit ={ def fma(rd : Int, rs1 : Int, rs2 : Int, rs3 : Int): Unit ={
cmdQueue += {cmd => cmdQueue += {cmd =>
cmd.source #= id
cmd.opcode #= cmd.opcode.spinalEnum.FMA cmd.opcode #= cmd.opcode.spinalEnum.FMA
cmd.value.randomize() cmd.value.randomize()
cmd.rs1 #= rs1 cmd.rs1 #= rs1
@ -164,25 +172,6 @@ class FpuTest extends FunSuite{
} }
} }
StreamDriver(dut.io.port.cmd ,dut.clockDomain){payload =>
cpus.map(_.cmdQueue).filter(_.nonEmpty).toSeq match {
case Nil => false
case l => {
l.randomPick().dequeue().apply(payload)
true
}
}
}
StreamMonitor(dut.io.port.rsp, dut.clockDomain){payload =>
cpus(payload.source.toInt).rspQueue.dequeue().apply(payload)
}
StreamReadyRandomizer(dut.io.port.rsp, dut.clockDomain)