add SynFlops

This commit is contained in:
Donggyu Kim
2017-07-05 12:46:58 -07:00
committed by edwardcwang
parent 4f5a9ae02e
commit 9e7c8dce3e
5 changed files with 479 additions and 34 deletions

View File

@@ -25,22 +25,10 @@ object MacroCompilerAnnotation {
}
}
class MacroCompilerPass(memFile: Option[File],
libFile: Option[File]) extends firrtl.passes.Pass {
require(memFile.isDefined)
private val mems: Option[Seq[Macro]] = readJSON(memFile) map (_ map (x => new Macro(x)))
private val libs: Option[Seq[Macro]] = readJSON(libFile) map (_ map (x => new Macro(x)))
class MacroCompilerPass(mems: Option[Seq[Macro]],
libs: Option[Seq[Macro]]) extends firrtl.passes.Pass {
def compile(mem: Macro, lib: Macro): Option[(Module, ExtModule)] = {
val pairedPorts = (
(mem.ports filter (p => p.inputName.isDefined && !p.outputName.isDefined)) ++ // write
(mem.ports filter (p => !p.inputName.isDefined && p.outputName.isDefined)) ++ // read
(mem.ports filter (p => p.inputName.isDefined && p.outputName.isDefined)) // read writers
) zip (
(lib.ports filter (p => p.inputName.isDefined && !p.outputName.isDefined)) ++ // write
(lib.ports filter (p => !p.inputName.isDefined && p.outputName.isDefined)) ++ // read
(lib.ports filter (p => p.inputName.isDefined && p.outputName.isDefined)) // read writers
)
val pairedPorts = mem.sortedPorts zip lib.sortedPorts
// Parallel mapping
val pairs = ArrayBuffer[(BigInt, BigInt)]()
@@ -74,7 +62,6 @@ class MacroCompilerPass(memFile: Option[File],
pairs += ((last, mem.width.toInt - 1))
// Serial mapping
val instType = BundleType(lib.ports flatMap (_.tpe.fields))
val stmts = ArrayBuffer[Statement]()
val selects = HashMap[String, Expression]()
val outputs = HashMap[String, ArrayBuffer[(Expression, Expression)]]()
@@ -93,7 +80,7 @@ class MacroCompilerPass(memFile: Option[File],
for ((off, i) <- (0 until mem.depth.toInt by lib.depth.toInt).zipWithIndex) {
for (j <- pairs.indices) {
val name = s"mem_${i}_${j}"
stmts += WDefInstance(NoInfo, name, lib.name, instType)
stmts += WDefInstance(NoInfo, name, lib.name, lib.tpe)
// connect extra ports
stmts ++= lib.extraPorts map { case (portName, portValue) =>
Connect(NoInfo, WSubField(WRef(name), portName), portValue)
@@ -109,12 +96,7 @@ class MacroCompilerPass(memFile: Option[File],
def andAddrMatch(e: Expression) = and(e, addrMatch)
val cats = ArrayBuffer[Expression]()
for (((low, high), j) <- pairs.zipWithIndex) {
val inst = WRef(s"mem_${i}_${j}", instType)
def invert(exp: Expression, polarity: Option[PortPolarity]) =
polarity match {
case Some(ActiveLow) | Some(NegativeEdge) => not(exp)
case _ => exp
}
val inst = WRef(s"mem_${i}_${j}", lib.tpe)
def connectPorts(mem: Expression,
lib: String,
@@ -344,10 +326,13 @@ class MacroCompilerTransform extends Transform {
def inputForm = HighForm
def outputForm = HighForm
def execute(state: CircuitState) = getMyAnnotations(state) match {
case Seq(MacroCompilerAnnotation(state.circuit.main, mem, lib, synflops)) =>
case Seq(MacroCompilerAnnotation(state.circuit.main, memFile, libFile, synflops)) =>
require(memFile.isDefined)
val mems: Option[Seq[Macro]] = readJSON(memFile) map (_ map (x => new Macro(x)))
val libs: Option[Seq[Macro]] = readJSON(libFile) map (_ map (x => new Macro(x)))
val transforms = Seq(
new MacroCompilerPass(mem, lib),
// TODO: Syn flops
new MacroCompilerPass(mems, libs),
new SynFlopsPass(synflops, libs getOrElse mems.get),
firrtl.passes.SplitExpressions
)
((transforms foldLeft state)((s, xform) => xform runTransform s))
@@ -359,7 +344,7 @@ class MacroCompiler extends Compiler {
def transforms =
Seq(new MacroCompilerTransform) ++
getLoweringTransforms(firrtl.HighForm, firrtl.LowForm) // ++
// Seq(new LowFirrtlOptimization) // Todo: This is dangerous...
// Seq(new LowFirrtlOptimization) // Todo: This is dangerous
}
object MacroCompiler extends App {

View File

@@ -0,0 +1,110 @@
// See LICENSE for license details.
package barstools.tapeout.transforms.macros
import firrtl._
import firrtl.ir._
import firrtl.Utils._
import firrtl.passes.MemPortUtils.{memPortField, memType}
import Utils._
class SynFlopsPass(synflops: Boolean, libs: Seq[Macro]) extends firrtl.passes.Pass {
lazy val libMods = (libs map { lib => lib.name -> {
val dataType = (lib.ports foldLeft (None: Option[BigInt]))((res, port) =>
(res, port.maskName) match {
case (_, None) =>
res
case (None, Some(_)) =>
Some(port.effectiveMaskGran)
case (Some(x), Some(_)) =>
assert(x == port.effectiveMaskGran)
res
}
) match {
case None => UIntType(IntWidth(lib.width))
case Some(gran) => VectorType(UIntType(IntWidth(gran)), (lib.width / gran).toInt)
}
val mem = DefMemory(
NoInfo,
"ram",
dataType,
lib.depth.toInt,
1, // writeLatency
0, // readLatency
(lib.readers ++ lib.readwriters).indices map (i => s"R_$i"),
(lib.writers ++ lib.readwriters).indices map (i => s"W_$i"),
Nil
)
val readConnects = (lib.readers ++ lib.readwriters).zipWithIndex flatMap { case (r, i) =>
val clock = invert(WRef(r.clockName), r.clockPolarity)
val address = invert(WRef(r.addressName), r.addressPolarity)
val enable = (r.chipEnableName, r.readEnableName) match {
case (Some(en), Some(re)) =>
and(invert(WRef(en), r.chipEnablePolarity),
invert(WRef(re), r.readEnablePolarity))
case (Some(en), None) => invert(WRef(en), r.chipEnablePolarity)
case (None, Some(re)) => invert(WRef(re), r.readEnablePolarity)
case (None, None) => one
}
val data = memPortField(mem, s"R_$i", "data")
val read = (dataType: @unchecked) match {
case VectorType(tpe, size) => cat(((0 until size) map (k =>
WSubIndex(data, k, tpe, UNKNOWNGENDER))).reverse)
case _: UIntType => data
}
val addrReg = WRef(s"R_${i}_addr_reg", r.AddrType, RegKind)
Seq(
DefRegister(NoInfo, addrReg.name, r.AddrType, clock, zero, addrReg),
Connect(NoInfo, memPortField(mem, s"R_$i", "clk"), clock),
Connect(NoInfo, memPortField(mem, s"R_$i", "addr"), addrReg),
Connect(NoInfo, memPortField(mem, s"R_$i", "en"), enable),
Connect(NoInfo, WRef(r.outputName.get), read),
Connect(NoInfo, addrReg, Mux(enable, address, addrReg, UnknownType))
)
}
val writeConnects = (lib.writers ++ lib.readwriters).zipWithIndex flatMap { case (w, i) =>
val clock = invert(WRef(w.clockName), w.clockPolarity)
val address = invert(WRef(w.addressName), w.addressPolarity)
val enable = (w.chipEnableName, w.writeEnableName) match {
case (Some(en), Some(we)) =>
and(invert(WRef(en), w.chipEnablePolarity),
invert(WRef(we), w.writeEnablePolarity))
case (Some(en), None) => invert(WRef(en), w.chipEnablePolarity)
case (None, Some(we)) => invert(WRef(we), w.writeEnablePolarity)
case (None, None) => zero // is it possible?
}
val mask = memPortField(mem, s"W_$i", "mask")
val data = memPortField(mem, s"W_$i", "data")
val write = invert(WRef(w.inputName.get), w.inputPolarity)
Seq(
Connect(NoInfo, memPortField(mem, s"W_$i", "clk"), clock),
Connect(NoInfo, memPortField(mem, s"W_$i", "addr"), address),
Connect(NoInfo, memPortField(mem, s"W_$i", "en"), enable)
) ++ (dataType match {
case VectorType(tpe, size) =>
val width = bitWidth(tpe).toInt
((0 until size) map (k =>
Connect(NoInfo, WSubIndex(data, k, tpe, UNKNOWNGENDER),
bits(write, (k + 1) * width - 1, k * width)))) ++
((0 until size) map (k =>
Connect(NoInfo, WSubIndex(mask, k, BoolType, UNKNOWNGENDER),
bits(WRef(w.maskName.get), k))))
case _: UIntType =>
Seq(Connect(NoInfo, data, write), Connect(NoInfo, mask, one))
})
}
lib.module(Block(mem +: (readConnects ++ writeConnects)))
}}).toMap
def run(c: Circuit): Circuit = {
if (!synflops) c
else {
val circuit = c.copy(modules = (c.modules map (m => libMods getOrElse (m.name, m))))
// print(circuit.serialize)
circuit
}
}
}

View File

@@ -48,9 +48,9 @@ case class MacroPort(
width: BigInt,
depth: BigInt) {
val effectiveMaskGran = maskGran.getOrElse(width)
private val AddrType = UIntType(IntWidth(ceilLog2(depth) max 1))
private val DataType = UIntType(IntWidth(width))
private val MaskType = UIntType(IntWidth(width / effectiveMaskGran))
val AddrType = UIntType(IntWidth(ceilLog2(depth) max 1))
val DataType = UIntType(IntWidth(width))
val MaskType = UIntType(IntWidth(width / effectiveMaskGran))
val tpe = BundleType(Seq(
Field(clockName, Flip, ClockType),
Field(addressName, Flip, AddrType)) ++
@@ -93,6 +93,10 @@ class Macro(lib: Map[String, Any]) {
depth
)
}
val writers = ports filter (p => p.inputName.isDefined && !p.outputName.isDefined)
val readers = ports filter (p => !p.inputName.isDefined && p.outputName.isDefined)
val readwriters = ports filter (p => p.inputName.isDefined && p.outputName.isDefined)
val sortedPorts = writers ++ readers ++ readwriters
val extraPorts = lib get "extra ports" match {
case None => Nil
case Some(p) => p.asInstanceOf[List[_]] map { x =>
@@ -104,6 +108,7 @@ class Macro(lib: Map[String, Any]) {
(name -> UIntLiteral(value, IntWidth(width)))
}
}
val tpe = BundleType(ports flatMap (_.tpe.fields))
private val modPorts = (ports flatMap (_.ports)) ++
(extraPorts map { case (name, value) => Port(NoInfo, name, Input, value.tpe) })
val blackbox = ExtModule(NoInfo, name, modPorts, name, Nil)
@@ -140,4 +145,10 @@ object Utils {
else DoPrim(PrimOps.Cat, Seq(es.head, cat(es.tail)), Nil, UnknownType)
def not(e: Expression) =
DoPrim(PrimOps.Not, Seq(e), Nil, e.tpe)
def invert(exp: Expression, polarity: Option[PortPolarity]) =
polarity match {
case Some(ActiveLow) | Some(NegativeEdge) => not(exp)
case _ => exp
}
}

View File

@@ -5,6 +5,7 @@ import firrtl.ir.{Circuit, NoInfo}
import firrtl.passes.RemoveEmpty
import firrtl.Parser.parse
import java.io.{File, StringWriter}
import Utils.readJSON
abstract class MacroCompilerSpec extends org.scalatest.FlatSpec with org.scalatest.Matchers {
val macroDir = new File("tapeout/src/test/resources/macros")
@@ -19,11 +20,16 @@ abstract class MacroCompilerSpec extends org.scalatest.FlatSpec with org.scalate
MacroCompiler.run(args(mem, lib, v, synflops))
}
def execute(mem: Option[File], lib: Option[File], synflops: Boolean, output: String) {
require(mem.isDefined)
val macros = Utils.readJSON(mem).get map (x => (new Macro(x)).blackbox)
def execute(memFile: Option[File], libFile: Option[File], synflops: Boolean, output: String) {
require(memFile.isDefined)
val mems = readJSON(memFile) map (_ map (x => new Macro(x)))
val libs = readJSON(libFile) map (_ map (x => new Macro(x)))
val macros = mems.get map (_.blackbox)
val circuit = Circuit(NoInfo, macros, macros.last.name)
val passes = Seq(new MacroCompilerPass(mem, lib), RemoveEmpty)
val passes = Seq(
new MacroCompilerPass(mems, libs),
new SynFlopsPass(synflops, libs getOrElse mems.get),
RemoveEmpty)
val result = (passes foldLeft circuit)((c, pass) => pass run c)
val gold = RemoveEmpty run parse(output)
(result.serialize) should be (gold.serialize)

View File

@@ -0,0 +1,333 @@
package barstools.tapeout.transforms.macros
import java.io.File
class Synflops2048x16_mrw extends MacroCompilerSpec {
val mem = new File(macroDir, "mem-2048x16-mrw.json")
val v = new File(testDir, "syn_flops_2048x16_mrw.v")
val output =
"""
circuit name_of_sram_module :
module name_of_sram_module :
input clock : Clock
input RW0A : UInt<11>
input RW0I : UInt<16>
output RW0O : UInt<16>
input RW0E : UInt<1>
input RW0W : UInt<1>
input RW0M : UInt<2>
mem ram :
data-type => UInt<8>[2]
depth => 2048
read-latency => 0
write-latency => 1
reader => R_0
writer => W_0
read-under-write => undefined
reg R_0_addr_reg : UInt<11>, clock with :
reset => (UInt<1>("h0"), R_0_addr_reg)
ram.R_0.clk <= clock
ram.R_0.addr <= R_0_addr_reg
ram.R_0.en <= RW0E
RW0O <= cat(ram.R_0.data[1], ram.R_0.data[0])
R_0_addr_reg <= mux(RW0E, RW0A, R_0_addr_reg)
ram.W_0.clk <= clock
ram.W_0.addr <= RW0A
ram.W_0.en <= and(RW0E, RW0W)
ram.W_0.data[0] <= bits(RW0I, 7, 0)
ram.W_0.data[1] <= bits(RW0I, 15, 8)
ram.W_0.mask[0] <= bits(RW0M, 0, 0)
ram.W_0.mask[1] <= bits(RW0M, 1, 1)
"""
compile(mem, None, v, true)
execute(Some(mem), None, true, output)
}
class Synflops2048x8_r_mw extends MacroCompilerSpec {
val mem = new File(macroDir, "mem-2048x8-r-mw.json")
val v = new File(testDir, "syn_flops_2048x8_r_mw.v")
val output =
"""
circuit name_of_sram_module :
module name_of_sram_module :
input clock : Clock
input W0A : UInt<11>
input W0I : UInt<8>
input W0E : UInt<1>
input W0M : UInt<1>
input clock : Clock
input R0A : UInt<11>
output R0O : UInt<8>
mem ram :
data-type => UInt<8>[1]
depth => 2048
read-latency => 0
write-latency => 1
reader => R_0
writer => W_0
read-under-write => undefined
reg R_0_addr_reg : UInt<11>, clock with :
reset => (UInt<1>("h0"), R_0_addr_reg)
ram.R_0.clk <= clock
ram.R_0.addr <= R_0_addr_reg
ram.R_0.en <= UInt<1>("h1")
R0O <= ram.R_0.data[0]
R_0_addr_reg <= mux(UInt<1>("h1"), R0A, R_0_addr_reg)
ram.W_0.clk <= clock
ram.W_0.addr <= W0A
ram.W_0.en <= W0E
ram.W_0.data[0] <= bits(W0I, 7, 0)
ram.W_0.mask[0] <= bits(W0M, 0, 0)
"""
compile(mem, None, v, true)
execute(Some(mem), None, true, output)
}
class Synflops2048x10_rw extends MacroCompilerSpec {
val mem = new File(macroDir, "lib-2048x10-rw.json")
val v = new File(testDir, "syn_flops_2048x10_rw.v")
val output =
"""
circuit vendor_sram :
module vendor_sram :
input clock : Clock
input RW0A : UInt<11>
input RW0I : UInt<10>
output RW0O : UInt<10>
input RW0E : UInt<1>
input RW0W : UInt<1>
mem ram :
data-type => UInt<10>
depth => 2048
read-latency => 0
write-latency => 1
reader => R_0
writer => W_0
read-under-write => undefined
reg R_0_addr_reg : UInt<11>, clock with :
reset => (UInt<1>("h0"), R_0_addr_reg)
ram.R_0.clk <= clock
ram.R_0.addr <= R_0_addr_reg
ram.R_0.en <= RW0E
RW0O <= ram.R_0.data
R_0_addr_reg <= mux(RW0E, RW0A, R_0_addr_reg)
ram.W_0.clk <= clock
ram.W_0.addr <= RW0A
ram.W_0.en <= and(RW0E, RW0W)
ram.W_0.data <= RW0I
ram.W_0.mask <= UInt<1>("h1")
"""
compile(mem, None, v, true)
execute(Some(mem), None, true, output)
}
class Synflops2048x8_mrw_re extends MacroCompilerSpec {
val mem = new File(macroDir, "lib-2048x8-mrw-re.json")
val v = new File(testDir, "syn_flops_2048x8_mrw_re.v")
val output =
"""
circuit vendor_sram :
module vendor_sram :
input clock : Clock
input RW0A : UInt<11>
input RW0I : UInt<8>
output RW0O : UInt<8>
input RW0E : UInt<1>
input RW0R : UInt<1>
input RW0W : UInt<1>
input RW0M : UInt<1>
mem ram :
data-type => UInt<8>[1]
depth => 2048
read-latency => 0
write-latency => 1
reader => R_0
writer => W_0
read-under-write => undefined
reg R_0_addr_reg : UInt<11>, clock with :
reset => (UInt<1>("h0"), R_0_addr_reg)
ram.R_0.clk <= clock
ram.R_0.addr <= R_0_addr_reg
ram.R_0.en <= and(RW0E, not(RW0R))
RW0O <= ram.R_0.data[0]
R_0_addr_reg <= mux(and(RW0E, not(RW0R)), RW0A, R_0_addr_reg)
ram.W_0.clk <= clock
ram.W_0.addr <= RW0A
ram.W_0.en <= and(RW0E, RW0W)
ram.W_0.data[0] <= bits(RW0I, 7, 0)
ram.W_0.mask[0] <= bits(RW0M, 0, 0)
"""
compile(mem, None, v, true)
execute(Some(mem), None, true, output)
}
class Synflops2048x16_n28 extends MacroCompilerSpec {
val mem = new File(macroDir, "lib-2048x16-n28.json")
val v = new File(testDir, "syn_flops_2048x16_n28.v")
val output =
"""
circuit vendor_sram_4 :
module vendor_sram_16 :
input clock : Clock
input RW0A : UInt<11>
input RW0I : UInt<16>
output RW0O : UInt<16>
input RW0E : UInt<1>
input RW0W : UInt<1>
input RW0M : UInt<16>
mem ram :
data-type => UInt<1>[16]
depth => 2048
read-latency => 0
write-latency => 1
reader => R_0
writer => W_0
read-under-write => undefined
reg R_0_addr_reg : UInt<11>, clock with :
reset => (UInt<1>("h0"), R_0_addr_reg)
ram.R_0.clk <= clock
ram.R_0.addr <= R_0_addr_reg
ram.R_0.en <= RW0E
RW0O <= cat(ram.R_0.data[15], cat(ram.R_0.data[14], cat(ram.R_0.data[13], cat(ram.R_0.data[12], cat(ram.R_0.data[11], cat(ram.R_0.data[10], cat(ram.R_0.data[9], cat(ram.R_0.data[8], cat(ram.R_0.data[7], cat(ram.R_0.data[6], cat(ram.R_0.data[5], cat(ram.R_0.data[4], cat(ram.R_0.data[3], cat(ram.R_0.data[2], cat(ram.R_0.data[1], ram.R_0.data[0])))))))))))))))
R_0_addr_reg <= mux(RW0E, RW0A, R_0_addr_reg)
ram.W_0.clk <= clock
ram.W_0.addr <= RW0A
ram.W_0.en <= and(RW0E, RW0W)
ram.W_0.data[0] <= bits(RW0I, 0, 0)
ram.W_0.data[1] <= bits(RW0I, 1, 1)
ram.W_0.data[2] <= bits(RW0I, 2, 2)
ram.W_0.data[3] <= bits(RW0I, 3, 3)
ram.W_0.data[4] <= bits(RW0I, 4, 4)
ram.W_0.data[5] <= bits(RW0I, 5, 5)
ram.W_0.data[6] <= bits(RW0I, 6, 6)
ram.W_0.data[7] <= bits(RW0I, 7, 7)
ram.W_0.data[8] <= bits(RW0I, 8, 8)
ram.W_0.data[9] <= bits(RW0I, 9, 9)
ram.W_0.data[10] <= bits(RW0I, 10, 10)
ram.W_0.data[11] <= bits(RW0I, 11, 11)
ram.W_0.data[12] <= bits(RW0I, 12, 12)
ram.W_0.data[13] <= bits(RW0I, 13, 13)
ram.W_0.data[14] <= bits(RW0I, 14, 14)
ram.W_0.data[15] <= bits(RW0I, 15, 15)
ram.W_0.mask[0] <= bits(RW0M, 0, 0)
ram.W_0.mask[1] <= bits(RW0M, 1, 1)
ram.W_0.mask[2] <= bits(RW0M, 2, 2)
ram.W_0.mask[3] <= bits(RW0M, 3, 3)
ram.W_0.mask[4] <= bits(RW0M, 4, 4)
ram.W_0.mask[5] <= bits(RW0M, 5, 5)
ram.W_0.mask[6] <= bits(RW0M, 6, 6)
ram.W_0.mask[7] <= bits(RW0M, 7, 7)
ram.W_0.mask[8] <= bits(RW0M, 8, 8)
ram.W_0.mask[9] <= bits(RW0M, 9, 9)
ram.W_0.mask[10] <= bits(RW0M, 10, 10)
ram.W_0.mask[11] <= bits(RW0M, 11, 11)
ram.W_0.mask[12] <= bits(RW0M, 12, 12)
ram.W_0.mask[13] <= bits(RW0M, 13, 13)
ram.W_0.mask[14] <= bits(RW0M, 14, 14)
ram.W_0.mask[15] <= bits(RW0M, 15, 15)
module vendor_sram_4 :
input clock : Clock
input RW0A : UInt<11>
input RW0I : UInt<4>
output RW0O : UInt<4>
input RW0E : UInt<1>
input RW0W : UInt<1>
input RW0M : UInt<4>
mem ram :
data-type => UInt<1>[4]
depth => 2048
read-latency => 0
write-latency => 1
reader => R_0
writer => W_0
read-under-write => undefined
reg R_0_addr_reg : UInt<11>, clock with :
reset => (UInt<1>("h0"), R_0_addr_reg)
ram.R_0.clk <= clock
ram.R_0.addr <= R_0_addr_reg
ram.R_0.en <= RW0E
RW0O <= cat(ram.R_0.data[3], cat(ram.R_0.data[2], cat(ram.R_0.data[1], ram.R_0.data[0])))
R_0_addr_reg <= mux(RW0E, RW0A, R_0_addr_reg)
ram.W_0.clk <= clock
ram.W_0.addr <= RW0A
ram.W_0.en <= and(RW0E, RW0W)
ram.W_0.data[0] <= bits(RW0I, 0, 0)
ram.W_0.data[1] <= bits(RW0I, 1, 1)
ram.W_0.data[2] <= bits(RW0I, 2, 2)
ram.W_0.data[3] <= bits(RW0I, 3, 3)
ram.W_0.mask[0] <= bits(RW0M, 0, 0)
ram.W_0.mask[1] <= bits(RW0M, 1, 1)
ram.W_0.mask[2] <= bits(RW0M, 2, 2)
ram.W_0.mask[3] <= bits(RW0M, 3, 3)
"""
compile(mem, None, v, true)
execute(Some(mem), None, true, output)
}
class Synflops32x32_2rw extends MacroCompilerSpec {
val mem = new File(macroDir, "lib-32x32-2rw.json")
val v = new File(testDir, "syn_flops_32x32_2rw.v")
val output =
"""
circuit SRAM2RW32x32 :
module SRAM2RW32x32 :
input CE1 : Clock
input A1 : UInt<5>
input I1 : UInt<32>
output O1 : UInt<32>
input CSB1 : UInt<1>
input OEB1 : UInt<1>
input WEB1 : UInt<1>
input CE2 : Clock
input A2 : UInt<5>
input I2 : UInt<32>
output O2 : UInt<32>
input CSB2 : UInt<1>
input OEB2 : UInt<1>
input WEB2 : UInt<1>
mem ram :
data-type => UInt<32>
depth => 32
read-latency => 0
write-latency => 1
reader => R_0
reader => R_1
writer => W_0
writer => W_1
read-under-write => undefined
reg R_0_addr_reg : UInt<5>, CE1 with :
reset => (UInt<1>("h0"), R_0_addr_reg)
ram.R_0.clk <= CE1
ram.R_0.addr <= R_0_addr_reg
ram.R_0.en <= and(not(CSB1), not(OEB1))
O1 <= ram.R_0.data
R_0_addr_reg <= mux(and(not(CSB1), not(OEB1)), A1, R_0_addr_reg)
reg R_1_addr_reg : UInt<5>, CE2 with :
reset => (UInt<1>("h0"), R_1_addr_reg)
ram.R_1.clk <= CE2
ram.R_1.addr <= R_1_addr_reg
ram.R_1.en <= and(not(CSB2), not(OEB2))
O2 <= ram.R_1.data
R_1_addr_reg <= mux(and(not(CSB2), not(OEB2)), A2, R_1_addr_reg)
ram.W_0.clk <= CE1
ram.W_0.addr <= A1
ram.W_0.en <= and(not(CSB1), not(WEB1))
ram.W_0.data <= I1
ram.W_0.mask <= UInt<1>("h1")
ram.W_1.clk <= CE2
ram.W_1.addr <= A2
ram.W_1.en <= and(not(CSB2), not(WEB2))
ram.W_1.data <= I2
ram.W_1.mask <= UInt<1>("h1")
"""
compile(mem, None, v, true)
execute(Some(mem), None, true, output)
}