Update readme to reflect config name changes (#871)
also update list of files expected to be seen in generated-src
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README.md
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README.md
@ -283,26 +283,23 @@ Or call out individual assembly tests or benchmarks:
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$ make output/rv64ui-p-add.vcd
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$ make output/rv64ui-p-add.vcd
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Now take a look in the emulator/generated-src directory. You will find
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Now take a look in the emulator/generated-src directory. You will find
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Chisel generated C++ code.
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Chisel generated verilog code and its associated C++ code generated by
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verilator.
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$ ls $ROCKETCHIP/emulator/generated-src
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$ ls $ROCKETCHIP/emulator/generated-src
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Top.DefaultConfig-0.cpp
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DefaultConfig.dts
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Top.DefaultConfig-0.o
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DefaultConfig.graphml
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Top.DefaultConfig-1.cpp
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DefaultConfig.json
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Top.DefaultConfig-1.o
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DefaultConfig.memmap.json
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Top.DefaultConfig-2.cpp
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freechips.rocketchip.chip.DefaultConfig
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Top.DefaultConfig-2.o
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freechips.rocketchip.chip.DefaultConfig.d
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Top.DefaultConfig-3.cpp
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freechips.rocketchip.chip.DefaultConfig.fir
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Top.DefaultConfig-3.o
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freechips.rocketchip.chip.DefaultConfig.v
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Top.DefaultConfig-4.cpp
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$ ls $ROCKETCHIP/emulator/generated-src/freechips.rocketchip.chip.DefaultConfig
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Top.DefaultConfig-4.o
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VTestHarness__1.cpp
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Top.DefaultConfig-5.cpp
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VTestHarness__2.cpp
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Top.DefaultConfig-5.o
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VTestHarness__3.cpp
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Top.DefaultConfig.cpp
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...
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Top.DefaultConfig.h
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emulator.h
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emulator_api.h
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emulator_mod.h
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Also, output of the executed assembly tests and benchmarks can be found
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Also, output of the executed assembly tests and benchmarks can be found
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at emulator/output/\*.out. Each file has a cycle-by-cycle dump of
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at emulator/output/\*.out. Each file has a cycle-by-cycle dump of
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@ -359,16 +356,22 @@ Now take a look at vsim/generated-src, and the contents of the
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Top.DefaultConfig.conf file:
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Top.DefaultConfig.conf file:
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$ cd $ROCKETCHIP/vsim/generated-src
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$ cd $ROCKETCHIP/vsim/generated-src
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Top.DefaultConfig.conf
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DefaultConfig.dts
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Top.DefaultConfig.prm
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DefaultConfig.graphml
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Top.DefaultConfig.v
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DefaultConfig.json
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consts.DefaultConfig.vh
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DefaultConfig.memmap.json
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freechips.rocketchip.chip.DefaultConfig.behav_srams.v
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freechips.rocketchip.chip.DefaultConfig.conf
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freechips.rocketchip.chip.DefaultConfig.d
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freechips.rocketchip.chip.DefaultConfig.fir
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freechips.rocketchip.chip.DefaultConfig.v
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$ cat $ROCKETCHIP/vsim/generated-src/*.conf
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$ cat $ROCKETCHIP/vsim/generated-src/*.conf
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name MetadataArray_tag_arr depth 128 width 84 ports mwrite,read mask_gran 21
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name data_arrays_0_ext depth 512 width 256 ports mrw mask_gran 8
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name ICache_tag_array depth 128 width 38 ports mrw mask_gran 19
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name tag_array_ext depth 64 width 88 ports mrw mask_gran 22
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name DataArray_T6 depth 512 width 128 ports mwrite,read mask_gran 64
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name tag_array_0_ext depth 64 width 84 ports mrw mask_gran 21
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name HellaFlowQueue_ram depth 32 width 133 ports write,read
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name data_arrays_0_1_ext depth 512 width 128 ports mrw mask_gran 32
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name ICache_T157 depth 512 width 128 ports rw
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name mem_ext depth 33554432 width 64 ports mwrite,read mask_gran 8
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name mem_2_ext depth 512 width 64 ports mwrite,read mask_gran 8
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The conf file contains information for all SRAMs instantiated in the
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The conf file contains information for all SRAMs instantiated in the
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flow. If you take a close look at the $ROCKETCHIP/Makefrag, you will see
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flow. If you take a close look at the $ROCKETCHIP/Makefrag, you will see
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@ -412,20 +415,20 @@ divider, and reduces the number of TLB entries (all defined in SmallConfig).
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This small configuration is used for the Zybo FPGA board, which has the
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This small configuration is used for the Zybo FPGA board, which has the
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smallest ZYNQ part.
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smallest ZYNQ part.
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Towards the end, you can also find that ExampleSmallConfig inherits all
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Towards the end, you can also find that DefaultSmallConfig inherits all
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parameters from BaseConfig but overrides the same parameters of
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parameters from BaseConfig but overrides the same parameters of
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SmallConfig.
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WithNSmallCores.
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Now take a look at vsim/Makefile. Search for the CONFIG variable.
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Now take a look at vsim/Makefile. Search for the CONFIG variable.
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By default, it is set to DefaultConfig. You can also change the
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By default, it is set to DefaultConfig. You can also change the
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CONFIG variable on the make command line:
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CONFIG variable on the make command line:
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$ cd $ROCKETCHIP/vsim
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$ cd $ROCKETCHIP/vsim
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$ make -jN CONFIG=ExampleSmallConfig run-asm-tests
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$ make -jN CONFIG=DefaultSmallConfig run-asm-tests
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Or, even by defining CONFIG as an environment variable:
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Or, even by defining CONFIG as an environment variable:
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$ export CONFIG=ExampleSmallConfig
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$ export CONFIG=DefaultSmallConfig
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$ make -jN run-asm-tests
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$ make -jN run-asm-tests
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This parameterization is one of the many strengths of processor
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This parameterization is one of the many strengths of processor
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