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speeding up simulation using dedicated full dpi-based FPU core

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This commit is contained in:
Blaise Tine
2021-01-06 18:44:06 -08:00
parent 2058718f0f
commit 2b8435471a
26 changed files with 990 additions and 430 deletions
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5
driver/opae/vlsim/Makefile
View File

@@ -39,11 +39,12 @@ LDFLAGS += -shared -pthread
TOP = vortex_afu_shim
RTL_DIR=../../../hw/rtl
DPI_DIR=../../../hw/dpi
SRCS = fpga.cpp opae_sim.cpp
SRCS += $(RTL_DIR)/fp_cores/svdpi/float_dpi.cpp
SRCS += $(DPI_DIR)/util_dpi.cpp $(DPI_DIR)/float_dpi.cpp
FPU_INCLUDE = -I$(RTL_DIR)/fp_cores -I$(RTL_DIR)/fp_cores/svdpi -I$(RTL_DIR)/fp_cores/fpnew/src/common_cells/include -I$(RTL_DIR)/fp_cores/fpnew/src/common_cells/src -I$(RTL_DIR)/fp_cores/fpnew/src/fpu_div_sqrt_mvp/hdl -I$(RTL_DIR)/fp_cores/fpnew/src
FPU_INCLUDE = -I$(RTL_DIR)/fp_cores -I$(DPI_DIR) -I$(RTL_DIR)/fp_cores/fpnew/src/common_cells/include -I$(RTL_DIR)/fp_cores/fpnew/src/common_cells/src -I$(RTL_DIR)/fp_cores/fpnew/src/fpu_div_sqrt_mvp/hdl -I$(RTL_DIR)/fp_cores/fpnew/src
RTL_INCLUDE = -I$(RTL_DIR) -I$(RTL_DIR)/libs -I$(RTL_DIR)/interfaces -I$(RTL_DIR)/cache $(FPU_INCLUDE)
RTL_INCLUDE += -I$(RTL_DIR)/afu -I$(RTL_DIR)/afu/ccip

11
driver/opae/vlsim/opae_sim.cpp
View File

@@ -8,7 +8,7 @@
#define CCI_RQ_SIZE 16
#define CCI_WQ_SIZE 16
#define RESET_DELAY 2
#define RESET_DELAY 4
#define ENABLE_DRAM_STALLS
#define DRAM_LATENCY 24
@@ -135,19 +135,14 @@ void opae_sim::reset() {
vortex_afu_->reset = 1;
vortex_afu_->clk = 0;
this->eval();
vortex_afu_->clk = 1;
this->eval();
vortex_afu_->reset = 0;
for (int i = 0; i < RESET_DELAY; ++i) {
vortex_afu_->clk = 0;
this->eval();
vortex_afu_->clk = 1;
this->eval();
}
vortex_afu_->reset = 0;
// Turn on assertion after reset
Verilated::assertOn(true);

5
driver/rtlsim/Makefile
View File

@@ -39,11 +39,12 @@ LDFLAGS += -shared -pthread
TOP = Vortex
RTL_DIR = ../../hw/rtl
DPI_DIR = ../../hw/dpi
SRCS = vortex.cpp ../common/vx_utils.cpp ../../hw/simulate/simulator.cpp
SRCS += $(RTL_DIR)/fp_cores/svdpi/float_dpi.cpp
SRCS += $(DPI_DIR)/util_dpi.cpp $(DPI_DIR)/float_dpi.cpp
FPU_INCLUDE = -I$(RTL_DIR)/fp_cores -I$(RTL_DIR)/fp_cores/svdpi -I$(RTL_DIR)/fp_cores/fpnew/src/common_cells/include -I$(RTL_DIR)/fp_cores/fpnew/src/common_cells/src -I$(RTL_DIR)/fp_cores/fpnew/src/fpu_div_sqrt_mvp/hdl -I$(RTL_DIR)/fp_cores/fpnew/src
FPU_INCLUDE = -I$(RTL_DIR)/fp_cores -I$(DPI_DIR) -I$(RTL_DIR)/fp_cores/fpnew/src/common_cells/include -I$(RTL_DIR)/fp_cores/fpnew/src/common_cells/src -I$(RTL_DIR)/fp_cores/fpnew/src/fpu_div_sqrt_mvp/hdl -I$(RTL_DIR)/fp_cores/fpnew/src
RTL_INCLUDE = -I$(RTL_DIR) -I$(RTL_DIR)/libs -I$(RTL_DIR)/interfaces -I$(RTL_DIR)/cache $(FPU_INCLUDE)
VL_FLAGS += -O2 --language 1800-2009 --assert -Wall -Wpedantic $(CONFIGS)