circt/test/Dialect/FIRRTL/SFCTests/mem-taps.fir

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; RUN: firtool --verilog -allow-adding-ports-on-public-modules %s | FileCheck %s
; RUN: firtool --verilog -allow-adding-ports-on-public-modules -preserve-aggregate=1d-vec %s | FileCheck %s --check-prefix=AGGGREGATE
; RUN: firtool --verilog -allow-adding-ports-on-public-modules -lower-annotations-no-ref-type-ports %s | FileCheck %s --check-prefix=NOREFS
; RUN: firtool -allow-adding-ports-on-public-modules --parse-only %s | circt-opt --firrtl-probes-to-signals | firtool --verilog --format=mlir | FileCheck %s --check-prefix=PROBESTOSIGNALS
FIRRTL version 4.0.0
circuit Top : %[[
{
"class": "sifive.enterprise.firrtl.MarkDUTAnnotation",
"target":"~Top|DUTModule"
},
{
"class":"firrtl.transforms.DontTouchAnnotation",
"target":"~Top|Top>memTap"
},
{
"class":"sifive.enterprise.grandcentral.MemTapAnnotation",
"source":"~Top|DUTModule>rf",
"sink":[
"~Top|Top>memTap[0]",
"~Top|Top>memTap[1]",
"~Top|Top>memTap[2]",
"~Top|Top>memTap[3]",
"~Top|Top>memTap[4]",
"~Top|Top>memTap[5]",
"~Top|Top>memTap[6]",
"~Top|Top>memTap[7]"
]
}
]]
module DUTModule :
input clock : Clock
input reset : Reset
output io : { flip addr : UInt<3>, flip dataIn : UInt<8>, flip wen : UInt<1>, dataOut : UInt<8>}
cmem rf : UInt<8> [8]
infer mport read = rf[io.addr], clock
connect io.dataOut, read
when io.wen :
infer mport write = rf[io.addr], clock
connect write, io.dataIn
public module Top :
input clock : Clock
input reset : UInt<1>
output io : { flip addr : UInt<3>, flip dataIn : UInt<8>, flip wen : UInt<1>, dataOut : UInt<8>}
inst dut of DUTModule
connect dut.clock, clock
connect dut.reset, reset
wire memTap : UInt<8>[8]
invalidate memTap
connect io.dataOut, dut.io.dataOut
connect dut.io.wen, io.wen
connect dut.io.dataIn, io.dataIn
connect dut.io.addr, io.addr
; CHECK: module Top(
; CHECK-NOT: module
; CHECK: wire [7:0] memTap_0 = Top.dut.rf_ext.Memory[0];
; CHECK-NEXT: wire [7:0] memTap_1 = Top.dut.rf_ext.Memory[1];
; CHECK-NEXT: wire [7:0] memTap_2 = Top.dut.rf_ext.Memory[2];
; CHECK-NEXT: wire [7:0] memTap_3 = Top.dut.rf_ext.Memory[3];
; CHECK-NEXT: wire [7:0] memTap_4 = Top.dut.rf_ext.Memory[4];
; CHECK-NEXT: wire [7:0] memTap_5 = Top.dut.rf_ext.Memory[5];
; CHECK-NEXT: wire [7:0] memTap_6 = Top.dut.rf_ext.Memory[6];
; CHECK-NEXT: wire [7:0] memTap_7 = Top.dut.rf_ext.Memory[7];
; AGGGREGATE: wire [7:0][7:0] memTap =
; AGGGREGATE-NEXT{LITERAL}: {{Top.dut.rf_ext.Memory[7]},
; AGGGREGATE-NEXT: {Top.dut.rf_ext.Memory[6]},
; AGGGREGATE-NEXT: {Top.dut.rf_ext.Memory[5]},
; AGGGREGATE-NEXT: {Top.dut.rf_ext.Memory[4]},
; AGGGREGATE-NEXT: {Top.dut.rf_ext.Memory[3]},
; AGGGREGATE-NEXT: {Top.dut.rf_ext.Memory[2]},
; AGGGREGATE-NEXT: {Top.dut.rf_ext.Memory[1]},
; AGGGREGATE-NEXT: {Top.dut.rf_ext.Memory[0]}};
; CHECK: endmodule
; NOREFS: module DUTModule(
; NOREFS-NOT: endmodule
; NOREFS: rf_8x8 rf_ext (
; NOREFS: .R1_data (memTap_7),
; NOREFS: .R2_data (memTap_6),
; NOREFS: .R3_data (memTap_5),
; NOREFS: .R4_data (memTap_4),
; NOREFS: .R5_data (memTap_3),
; NOREFS: .R6_data (memTap_2),
; NOREFS: .R7_data (memTap_1),
; NOREFS: .R8_data (memTap_0)
; NOREFS: )
; NOREFS: endmodule
; NOREFS: DUTModule dut (
; NOREFS-NOT: endmodule
; NOREFS: .memTap_0 (memTap_0),
; NOREFS-NEXT: .memTap_1 (memTap_1),
; NOREFS-NEXT: .memTap_2 (memTap_2),
; NOREFS-NEXT: .memTap_3 (memTap_3),
; NOREFS-NEXT: .memTap_4 (memTap_4),
; NOREFS-NEXT: .memTap_5 (memTap_5),
; NOREFS-NEXT: .memTap_6 (memTap_6),
; NOREFS-NEXT: .memTap_7 (memTap_7)
; NOREFS-NEXT: )
; PROBESTOSIGNALS: module DUTModule(
; PROBESTOSIGNALS-NOT: endmodule
; PROBESTOSIGNALS: rf_8x8 rf_ext (
; PROBESTOSIGNALS: .R1_data (memTap_0_7),
; PROBESTOSIGNALS: .R2_data (memTap_0_6),
; PROBESTOSIGNALS: .R3_data (memTap_0_5),
; PROBESTOSIGNALS: .R4_data (memTap_0_4),
; PROBESTOSIGNALS: .R5_data (memTap_0_3),
; PROBESTOSIGNALS: .R6_data (memTap_0_2),
; PROBESTOSIGNALS: .R7_data (memTap_0_1),
; PROBESTOSIGNALS: .R8_data (memTap_0_0)
; PROBESTOSIGNALS: )
; PROBESTOSIGNALS: endmodule
; PROBESTOSIGNALS: DUTModule dut (
; PROBESTOSIGNALS-NOT: endmodule
; PROBESTOSIGNALS: .memTap_0_0 (memTap_0),
; PROBESTOSIGNALS-NEXT: .memTap_0_1 (memTap_1),
; PROBESTOSIGNALS-NEXT: .memTap_0_2 (memTap_2),
; PROBESTOSIGNALS-NEXT: .memTap_0_3 (memTap_3),
; PROBESTOSIGNALS-NEXT: .memTap_0_4 (memTap_4),
; PROBESTOSIGNALS-NEXT: .memTap_0_5 (memTap_5),
; PROBESTOSIGNALS-NEXT: .memTap_0_6 (memTap_6),
; PROBESTOSIGNALS-NEXT: .memTap_0_7 (memTap_7)
; PROBESTOSIGNALS-NEXT: )