mirror of
https://github.com/openhwgroup/cvw
synced 2025-01-24 05:24:49 +00:00
Merged with merge conflict
This commit is contained in:
commit
2b0cf90a99
@ -5,14 +5,13 @@
|
||||
PORT_DIR = $(CURDIR)/riscv64-baremetal
|
||||
cmbase= $(WALLY)/addins/coremark
|
||||
work_dir= $(WALLY)/benchmarks/coremark/work
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||||
XLEN ?=64
|
||||
XLEN ?=32
|
||||
sources=$(cmbase)/core_main.c $(cmbase)/core_list_join.c $(cmbase)/coremark.h \
|
||||
$(cmbase)/core_matrix.c $(cmbase)/core_state.c $(cmbase)/core_util.c \
|
||||
$(PORT_DIR)/core_portme.h $(PORT_DIR)/core_portme.c $(PORT_DIR)/core_portme.mak \
|
||||
$(PORT_DIR)/crt.S $(PORT_DIR)/encoding.h $(PORT_DIR)/util.h $(PORT_DIR)/syscalls.c
|
||||
ABI := $(if $(findstring "64","$(XLEN)"),lp64,ilp32)
|
||||
#ARCH := rv$(XLEN)gc_zba_zbb_zbc
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||||
ARCH := rv$(XLEN)im_zicsr_zba_zbb_zbc
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||||
ARCH := rv$(XLEN)im_zicsr_zba_zbb_zbs
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||||
#ARCH := rv$(XLEN)gc
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||||
#ARCH := rv$(XLEN)imc_zicsr
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||||
#ARCH := rv$(XLEN)im_zicsr
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||||
@ -29,7 +28,6 @@ all: $(work_dir)/coremark.bare.riscv.elf.memfile
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||||
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run:
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time wsim rv$(XLEN)gc coremark 2>&1 | tee $(work_dir)/coremark.sim.log
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||||
#(cd ../../sim && (time vsim -c -do "do wally-batch.do rv$(XLEN)gc coremark" 2>&1 | tee $(work_dir)/coremark.sim.log))
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||||
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||||
$(work_dir)/coremark.bare.riscv.elf.memfile: $(work_dir)/coremark.bare.riscv
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riscv64-unknown-elf-objdump -D $< > $<.elf.objdump
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||||
|
@ -34,18 +34,18 @@ import re
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||||
import csv
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||||
# list of architectures to run.
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||||
arch_list = [
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||||
"rv32gc_zba_zbb_zbc",
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"rv32i_zicsr",
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"rv32im_zicsr",
|
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"rv32imc_zicsr",
|
||||
"rv32im_zicsr_zba_zbb_zbc",
|
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"rv32gc",
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||||
"rv32imc_zicsr",
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"rv32im_zicsr",
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||||
"rv32i_zicsr",
|
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"rv64gc_zba_zbb_zbc",
|
||||
"rv32gc_zba_zbb_zbc",
|
||||
"rv64i_zicsr",
|
||||
"rv64im_zicsr",
|
||||
"rv64imc_zicsr",
|
||||
"rv64im_zicsr_zba_zbb_zbc",
|
||||
"rv64gc",
|
||||
"rv64imc_zicsr",
|
||||
"rv64im_zicsr",
|
||||
"rv64i_zicsr"
|
||||
"rv64gc_zba_zbb_zbc"
|
||||
]
|
||||
str="32"
|
||||
# Define regular expressions to match the desired fields
|
||||
|
@ -109,11 +109,11 @@ typedef unsigned short ee_u16;
|
||||
typedef signed int ee_s32;
|
||||
typedef double ee_f32;
|
||||
typedef unsigned char ee_u8;
|
||||
//typedef unsigned int ee_u32;
|
||||
typedef signed int ee_u32; // replaced with signed to improve performance per https://github.com/sifive/benchmark-coremark/blob/master/linux64/core_portme.h#L102
|
||||
#if (XLEN==64)
|
||||
typedef signed int ee_u32; // replaced with signed to improve performance by avoiding zero extension in RV64 per https://github.com/sifive/benchmark-coremark/blob/master/linux64/core_portme.h#L102
|
||||
typedef unsigned long long ee_ptr_int;
|
||||
#else
|
||||
typedef unsigned int ee_u32;
|
||||
typedef ee_u32 ee_ptr_int;
|
||||
#endif
|
||||
typedef size_t ee_size_t;
|
||||
|
@ -107,7 +107,7 @@ port_prebuild: $(PGO_STAGE)
|
||||
|
||||
.PHONY: build_pgo_gcc
|
||||
build_pgo_gcc:
|
||||
$(MAKE) PGO=gen XCFLAGS="$(XCFLAGS) -fprofile-generate -DTOTAL_DATA_SIZE=1200" ITERATIONS=10 gen_pgo_data REBUILD=1
|
||||
$(MAKE) PGO=gen XCFLAGS="$(XCFLAGS) -fprofile-generate -DTOTAL_DATA_SIZE=1200" gen_pgo_data REBUILD=1
|
||||
|
||||
# Target: port_postbuild
|
||||
# Generate any files that are needed after actual build end.
|
||||
|
@ -38,26 +38,27 @@ build_speedopt_size:
|
||||
build_sizeopt_size:
|
||||
$(embench_dir)/build_all.py --builddir=bd_sizeopt_size --arch riscv32 --chip generic --board rv32wallyverilog --ldflags="-nostdlib -nostartfiles ../../../config/riscv32/boards/rv32wallyverilog/startup/dummy.S -march=$(ARCH)" --cflags="-Os -msave-restore -march=$(ARCH)" --dummy-libs="libgcc libm libc crt0"
|
||||
|
||||
# builds dependencies, then launches modelsim and finally runs python wrapper script to present results
|
||||
sim: modelsim_build_memfile modelsim_run speed
|
||||
# builds dependencies, then launches sim and finally runs python wrapper script to present results
|
||||
sim: sim_build_memfile sim_run speed
|
||||
|
||||
# launches modelsim to simulate tests on wally
|
||||
modelsim_run:
|
||||
mkdir -p ../../sim/wkdir
|
||||
(cd ../../sim/ && wsim rv32gc embench)
|
||||
cd ../../benchmarks/embench/
|
||||
# launches sim to simulate tests on wally
|
||||
sim_run:
|
||||
wsim rv32gc embench
|
||||
#mkdir -p ../../sim/wkdir
|
||||
#(cd ../../sim/ && wsim rv32gc embench)
|
||||
#cd ../../benchmarks/embench/
|
||||
|
||||
# builds the objdump based on the compiled c elf files
|
||||
objdump:
|
||||
find $(embench_dir)/bd_*_speed/ -type f -name "*.elf" | while read f; do riscv64-unknown-elf-objdump -S -D "$$f" > "$$f.objdump"; done
|
||||
|
||||
# build memfiles, objdump.lab and objdump.addr files
|
||||
modelsim_build_memfile: objdump
|
||||
sim_build_memfile: objdump
|
||||
find $(embench_dir)/bd_*_speed/ -type f -name "*.elf" | while read f; do riscv64-unknown-elf-elf2hex --bit-width 32 --input "$$f" --output "$$f.memfile"; done
|
||||
find $(embench_dir)/bd_*_speed/ -type f -name "*.elf.objdump" | while read f; do extractFunctionRadix.sh $$f; done
|
||||
|
||||
# builds the tests for speed, runs them on spike and then launches python script to present results
|
||||
# note that the speed python script benchmark_speed.py can get confused if there's both a .output file created from spike and modelsim
|
||||
# note that the speed python script benchmark_speed.py can get confused if there's both a .output file created from spike and questa
|
||||
# you'll need to manually remove one of the two .output files, or run make clean
|
||||
spike: buildspeed spike_run speed
|
||||
|
||||
|
@ -11,7 +11,7 @@ GREEN='\033[0;32m'
|
||||
NC='\033[0m' # No Color
|
||||
fails=0
|
||||
|
||||
if [ "$1" == "-nightly" ]; then
|
||||
if [ "$1" == "--nightly" ]; then
|
||||
configs=(rv32e rv64gc rv32gc rv32imc rv32i rv64i) # fdqh_rv64gc
|
||||
derivconfigs=`ls $WALLY/config/deriv`
|
||||
for entry in $derivconfigs
|
||||
|
@ -217,7 +217,7 @@ def addTests(tests, sim):
|
||||
gs = test[3]
|
||||
else:
|
||||
gs = "All tests ran without failures"
|
||||
cmdPrefix="wsim --sim " + sim + " " + config
|
||||
cmdPrefix="wsim --sim " + sim + " " + coverStr + " " + config
|
||||
for t in suites:
|
||||
sim_log = sim_logdir + config + "_" + t + ".log"
|
||||
if (len(test) >= 5):
|
||||
@ -401,7 +401,7 @@ def main():
|
||||
# Presently don't run buildroot because it has a different config and can't be merged with the rv64gc coverage.
|
||||
# Also it is slow to run.
|
||||
# configs.append(getBuildrootTC(boot=False))
|
||||
os.system('rm -f cov/*.ucdb')
|
||||
os.system('rm -f questa/cov/*.ucdb')
|
||||
elif '--nightly' in sys.argv:
|
||||
TIMEOUT_DUR = 60*1440 # 1 day
|
||||
#configs.append(getBuildrootTC(boot=False))
|
||||
@ -427,7 +427,7 @@ def main():
|
||||
|
||||
# Coverage report
|
||||
if coverage:
|
||||
os.system('make coverage')
|
||||
os.system('make QuestaCoverage')
|
||||
# Count the number of failures
|
||||
if num_fail:
|
||||
print(f"{bcolors.FAIL}Regression failed with %s failed configurations{bcolors.ENDC}" % num_fail)
|
||||
|
@ -176,6 +176,10 @@ git clone https://github.com/riscv/sail-riscv.git
|
||||
cd sail-riscv
|
||||
# For now, use checkout that is stable for Wally
|
||||
#git checkout 72b2516d10d472ac77482fd959a9401ce3487f60 # not new enough for Zicboz?
|
||||
export OPAMCLI=2.0 # Sail is not compatible with opam 2.1 as of 4/16/24
|
||||
# It is faster to just build c_emulator/riscv_sim_RV* than to build all of Sail
|
||||
#make -j ${NUM_THREADS}
|
||||
#ARCH=RV32 make -j ${NUM_THREADS}
|
||||
make -j ${NUM_THREADS} c_emulator/riscv_sim_RV64
|
||||
ARCH=RV32 make -j ${NUM_THREADS} c_emulator/riscv_sim_RV32
|
||||
sudo ln -sf $RISCV/sail-riscv/c_emulator/riscv_sim_RV64 /usr/bin/riscv_sim_RV64
|
||||
|
@ -99,7 +99,6 @@ localparam RK = LOGR*DIVCOPIES; // r*k bits
|
||||
|
||||
// intermediate division parameters not directly used in fdivsqrt hardware
|
||||
localparam FPDIVMINb = NF + 2; // minimum length of fractional part: Nf result bits + guard and round bits + 1 extra bit to allow sqrt being shifted right
|
||||
//localparam FPDIVMINb = NF + 2 + (RADIX == 2); // minimum length of fractional part: Nf result bits + guard and round bits + 1 extra bit for preshifting radix2 square root right, if radix4 doesn't use a right shift. This version saves one cycle on double-precision with R=4,k=4. However, it doesn't work yet because C is too short, so k is incorrectly calculated as a 1 in the lsb after the last step.
|
||||
localparam DIVMINb = ((FPDIVMINb<XLEN) & IDIV_ON_FPU) ? XLEN : FPDIVMINb; // minimum fractional bits b = max(XLEN, FPDIVMINb)
|
||||
localparam RESBITS = DIVMINb + LOGR; // number of bits in a result: r integer + b fractional
|
||||
|
||||
@ -111,12 +110,18 @@ localparam DIVBLEN = $clog2(DIVb+1); // enough bi
|
||||
|
||||
// largest length in IEU/FPU
|
||||
localparam BASECVTLEN = `max(XLEN, NF); // convert length excluding Zfa fcvtmod.w.d
|
||||
localparam CVTLEN = ZFA_SUPPORTED ? `max(BASECVTLEN, 32'd84) : BASECVTLEN; // fcvtmod.w.d needs at least 32+52 because a double with 52 fractional bits might be into upper bits of 32 bit word
|
||||
localparam CVTLEN = (ZFA_SUPPORTED & D_SUPPORTED) ? `max(BASECVTLEN, 32'd84) : BASECVTLEN; // fcvtmod.w.d needs at least 32+52 because a double with 52 fractional bits might be into upper bits of 32 bit word
|
||||
localparam LLEN = `max($unsigned(FLEN), $unsigned(XLEN));
|
||||
localparam LOGCVTLEN = $unsigned($clog2(CVTLEN+1));
|
||||
|
||||
// NORMSHIFTSIZE is the bits out of the normalization shifter
|
||||
// RV32F: max(32+23+1, 2(23)+4, 3(23)+6) = 3*23+6 = 75
|
||||
// RV64F: max(64+23+1, 64 + 23 + 2, 3*23+6) = 89
|
||||
// RV64D: max(84+52+1, 64+52+2, 3*52+6) = 162
|
||||
localparam NORMSHIFTSZ = `max(`max((CVTLEN+NF+1), (DIVb + 1 + NF + 1)), (3*NF+6));
|
||||
localparam LOGNORMSHIFTSZ = ($clog2(NORMSHIFTSZ));
|
||||
localparam CORRSHIFTSZ = `max((NORMSHIFTSZ-2), (DIVMINb + 1 + NF));
|
||||
|
||||
localparam LOGNORMSHIFTSZ = ($clog2(NORMSHIFTSZ)); // log_2(NORMSHIFTSZ)
|
||||
localparam CORRSHIFTSZ = NORMSHIFTSZ-2; // Drop leading 2 integer bits
|
||||
|
||||
|
||||
// Disable spurious Verilator warnings
|
||||
|
42
sim/Makefile
42
sim/Makefile
@ -17,28 +17,28 @@ all: riscoftests memfiles coveragetests deriv
|
||||
|
||||
wally-riscv-arch-test: wallyriscoftests memfiles
|
||||
|
||||
coverage: cov/rv64gc_arch64i.ucdb
|
||||
QuestaCoverage: questa/cov/rv64gc_arch64i.ucdb
|
||||
#iter-elf.bash --cover --search ../tests/coverage
|
||||
vcover merge -out cov/cov.ucdb cov/rv64gc_arch64i.ucdb cov/rv64gc*.ucdb -logfile cov/log
|
||||
# vcover merge -out cov/cov.ucdb cov/rv64gc_arch64i.ucdb cov/rv64gc*.ucdb cov/buildroot_buildroot.ucdb riscv.ucdb -logfile cov/log
|
||||
vcover report -details cov/cov.ucdb > cov/rv64gc_coverage_details.rpt
|
||||
vcover report cov/cov.ucdb -details -instance=/core/ebu. > cov/rv64gc_coverage_ebu.rpt
|
||||
vcover report cov/cov.ucdb -details -instance=/core/priv. > cov/rv64gc_coverage_priv.rpt
|
||||
vcover report cov/cov.ucdb -details -instance=/core/ifu. > cov/rv64gc_coverage_ifu.rpt
|
||||
vcover report cov/cov.ucdb -details -instance=/core/lsu. > cov/rv64gc_coverage_lsu.rpt
|
||||
vcover report cov/cov.ucdb -details -instance=/core/fpu. > cov/rv64gc_coverage_fpu.rpt
|
||||
vcover report cov/cov.ucdb -details -instance=/core/ieu. > cov/rv64gc_coverage_ieu.rpt
|
||||
vcover report cov/cov.ucdb -below 100 -details -instance=/core/ebu. > cov/rv64gc_uncovered_ebu.rpt
|
||||
vcover report cov/cov.ucdb -below 100 -details -instance=/core/priv. > cov/rv64gc_uncovered_priv.rpt
|
||||
vcover report cov/cov.ucdb -below 100 -details -instance=/core/ifu. > cov/rv64gc_uncovered_ifu.rpt
|
||||
vcover report cov/cov.ucdb -below 100 -details -instance=/core/lsu. > cov/rv64gc_uncovered_lsu.rpt
|
||||
vcover report cov/cov.ucdb -below 100 -details -instance=/core/fpu. > cov/rv64gc_uncovered_fpu.rpt
|
||||
vcover report cov/cov.ucdb -below 100 -details -instance=/core/ieu. > cov/rv64gc_uncovered_ieu.rpt
|
||||
vcover report -hierarchical cov/cov.ucdb > cov/rv64gc_coverage_hierarchical.rpt
|
||||
vcover report -below 100 -hierarchical cov/cov.ucdb > cov/rv64gc_uncovered_hierarchical.rpt
|
||||
# vcover report -below 100 cov/cov.ucdb > cov/rv64gc_coverage.rpt
|
||||
# vcover report -recursive cov/cov.ucdb > cov/rv64gc_recursive.rpt
|
||||
vcover report -details -threshH 100 -html cov/cov.ucdb
|
||||
vcover merge -out questa/cov/cov.ucdb questa/cov/rv64gc_arch64i.ucdb questa/cov/rv64gc*.ucdb -logfile questa/cov/log
|
||||
# vcover merge -out questa/cov/cov.ucdb questa/cov/rv64gc_arch64i.ucdb questa/cov/rv64gc*.ucdb questa/cov/buildroot_buildroot.ucdb riscv.ucdb -logfile questa/cov/log
|
||||
vcover report -details questa/cov/cov.ucdb > questa/cov/rv64gc_coverage_details.rpt
|
||||
vcover report questa/cov/cov.ucdb -details -instance=/core/ebu. > questa/cov/rv64gc_coverage_ebu.rpt
|
||||
vcover report questa/cov/cov.ucdb -details -instance=/core/priv. > questa/cov/rv64gc_coverage_priv.rpt
|
||||
vcover report questa/cov/cov.ucdb -details -instance=/core/ifu. > questa/cov/rv64gc_coverage_ifu.rpt
|
||||
vcover report questa/cov/cov.ucdb -details -instance=/core/lsu. > questa/cov/rv64gc_coverage_lsu.rpt
|
||||
vcover report questa/cov/cov.ucdb -details -instance=/core/fpu. > questa/cov/rv64gc_coverage_fpu.rpt
|
||||
vcover report questa/cov/cov.ucdb -details -instance=/core/ieu. > questa/cov/rv64gc_coverage_ieu.rpt
|
||||
vcover report questa/cov/cov.ucdb -below 100 -details -instance=/core/ebu. > questa/cov/rv64gc_uncovered_ebu.rpt
|
||||
vcover report questa/cov/cov.ucdb -below 100 -details -instance=/core/priv. > questa/cov/rv64gc_uncovered_priv.rpt
|
||||
vcover report questa/cov/cov.ucdb -below 100 -details -instance=/core/ifu. > questa/cov/rv64gc_uncovered_ifu.rpt
|
||||
vcover report questa/cov/cov.ucdb -below 100 -details -instance=/core/lsu. > questa/cov/rv64gc_uncovered_lsu.rpt
|
||||
vcover report questa/cov/cov.ucdb -below 100 -details -instance=/core/fpu. > questa/cov/rv64gc_uncovered_fpu.rpt
|
||||
vcover report questa/cov/cov.ucdb -below 100 -details -instance=/core/ieu. > questa/cov/rv64gc_uncovered_ieu.rpt
|
||||
vcover report -hierarchical questa/cov/cov.ucdb > questa/cov/rv64gc_coverage_hierarchical.rpt
|
||||
vcover report -below 100 -hierarchical questa/cov/cov.ucdb > questa/cov/rv64gc_uncovered_hierarchical.rpt
|
||||
# vcover report -below 100 questa/cov/cov.ucdb > questa/cov/rv64gc_coverage.rpt
|
||||
# vcover report -recursive questa/cov/cov.ucdb > questa/cov/rv64gc_recursive.rpt
|
||||
vcover report -details -threshH 100 -html questa/cov/cov.ucdb
|
||||
|
||||
allclean: clean all
|
||||
|
||||
|
@ -28,7 +28,7 @@
|
||||
////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
module shiftcorrection import cvw::*; #(parameter cvw_t P) (
|
||||
input logic [P.NORMSHIFTSZ-1:0] Shifted, // the shifted sum before LZA correction
|
||||
input logic [P.NORMSHIFTSZ-1:0] Shifted, // normalization shifter output
|
||||
// divsqrt
|
||||
input logic DivOp, // is it a divsqrt operation
|
||||
input logic DivResSubnorm, // is the divsqrt result subnormal
|
||||
@ -41,37 +41,39 @@ module shiftcorrection import cvw::*; #(parameter cvw_t P) (
|
||||
input logic FmaSZero,
|
||||
// output
|
||||
output logic [P.NE+1:0] FmaMe, // exponent of the normalized sum
|
||||
output logic [P.CORRSHIFTSZ-1:0] Mf, // the shifted sum before LZA correction
|
||||
output logic [P.CORRSHIFTSZ-1:0] Mf, // the shifted sum after correction
|
||||
output logic [P.NE+1:0] Ue // corrected exponent for divider
|
||||
);
|
||||
|
||||
logic [P.CORRSHIFTSZ-1:0] CorrSumShifted; // the shifted sum after LZA correction
|
||||
logic [P.CORRSHIFTSZ-1:0] CorrQm0, CorrQm1; // portions of Shifted to select for CorrQmShifted
|
||||
logic [P.CORRSHIFTSZ-1:0] CorrQmShifted; // the shifted divsqrt result after one bit shift
|
||||
logic [P.CORRSHIFTSZ-1:0] CorrShifted; // the shifted sum after LZA correction
|
||||
logic ResSubnorm; // is the result Subnormal
|
||||
logic LZAPlus1; // add one or two to the sum's exponent due to LZA correction
|
||||
logic LeftShiftQm; // should the divsqrt result be shifted one to the left
|
||||
logic RightShift; // shift right by 1
|
||||
|
||||
// LZA correction
|
||||
assign LZAPlus1 = Shifted[P.NORMSHIFTSZ-1];
|
||||
|
||||
// *** 4/16/24 this code is a mess and needs cleaning and explaining
|
||||
// define bit widths
|
||||
// seems to shift by 0, 1, or 2. right and left shift is confusing
|
||||
|
||||
// FMA LZA correction
|
||||
// correct the shifting error caused by the LZA
|
||||
// - the only possible mantissa for a plus two is all zeroes
|
||||
// - a one has to propigate all the way through a sum. so we can leave the bottom statement alone
|
||||
mux2 #(P.NORMSHIFTSZ-2) lzacorrmux(Shifted[P.NORMSHIFTSZ-3:0], Shifted[P.NORMSHIFTSZ-2:1], LZAPlus1, CorrSumShifted);
|
||||
// - a one has to propagate all the way through a sum. so we can leave the bottom statement alone
|
||||
assign LZAPlus1 = Shifted[P.NORMSHIFTSZ-1];
|
||||
|
||||
// correct the shifting of the divsqrt caused by producing a result in (2, .5] range
|
||||
// correct the shifting of the divsqrt caused by producing a result in (0.5, 2) range
|
||||
// condition: if the msb is 1 or the exponent was one, but the shifted quotent was < 1 (Subnorm)
|
||||
assign LeftShiftQm = (LZAPlus1|(DivUe==1&~LZAPlus1));
|
||||
assign CorrQm0 = Shifted[P.NORMSHIFTSZ-3:P.NORMSHIFTSZ-P.CORRSHIFTSZ-2];
|
||||
assign CorrQm1 = Shifted[P.NORMSHIFTSZ-2:P.NORMSHIFTSZ-P.CORRSHIFTSZ-1];
|
||||
mux2 #(P.CORRSHIFTSZ) divcorrmux(CorrQm0, CorrQm1, LeftShiftQm, CorrQmShifted);
|
||||
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||||
assign RightShift = FmaOp ? LZAPlus1 : LeftShiftQm;
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// one bit right shift for FMA or division
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mux2 #(P.NORMSHIFTSZ-2) corrmux(Shifted[P.NORMSHIFTSZ-3:0], Shifted[P.NORMSHIFTSZ-2:1], RightShift, CorrShifted);
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||||
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||||
// if the result of the divider was calculated to be subnormal, then the result was correctly normalized, so select the top shifted bits
|
||||
always_comb
|
||||
if(FmaOp) Mf = {CorrSumShifted};
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||||
else if (DivOp&~DivResSubnorm) Mf = CorrQmShifted;
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||||
else Mf = Shifted[P.NORMSHIFTSZ-1:P.NORMSHIFTSZ-P.CORRSHIFTSZ];
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||||
if (FmaOp | DivOp & !DivResSubnorm) Mf = CorrShifted;
|
||||
else Mf = Shifted[P.NORMSHIFTSZ-1:2];
|
||||
|
||||
// Determine sum's exponent
|
||||
// main exponent issues:
|
||||
@ -86,7 +88,7 @@ module shiftcorrection import cvw::*; #(parameter cvw_t P) (
|
||||
// recalculate if the result is subnormal after LZA correction
|
||||
assign ResSubnorm = FmaPreResultSubnorm&~Shifted[P.NORMSHIFTSZ-2]&~Shifted[P.NORMSHIFTSZ-1];
|
||||
|
||||
// the quotent is in the range [.5,2) if there is no early termination
|
||||
// the quotent is in the range (.5,2) if there is no early termination
|
||||
// if the quotent < 1 and not Subnormal then subtract 1 to account for the normalization shift
|
||||
assign Ue = (DivResSubnorm & DivSubnormShiftPos) ? 0 : DivUe - {(P.NE+1)'(0), ~LZAPlus1};
|
||||
endmodule
|
||||
|
@ -104,13 +104,13 @@ module csrc import cvw::*; #(parameter cvw_t P) (
|
||||
assign CounterEvent[9] = RASPredPCWrongM & InstrValidNotFlushedM; // return address stack wrong address
|
||||
assign CounterEvent[10] = IClassWrongM & InstrValidNotFlushedM; // instruction class predictor wrong
|
||||
assign CounterEvent[11] = LoadStallM; // Load Stalls. don't want to suppress on flush as this only happens if flushed.
|
||||
assign CounterEvent[12] = StoreStallM; // depricated Store Stall
|
||||
assign CounterEvent[12] = StoreStallM; // Store Stall
|
||||
assign CounterEvent[13] = DCacheAccess; // data cache access
|
||||
assign CounterEvent[14] = DCacheMiss; // data cache miss. Miss asserted 1 cycle at start of cache miss
|
||||
assign CounterEvent[15] = DCacheStallM; // d cache miss cycles
|
||||
assign CounterEvent[15] = DCacheStallM; // D$ miss cycles
|
||||
assign CounterEvent[16] = ICacheAccess; // instruction cache access
|
||||
assign CounterEvent[17] = ICacheMiss; // instruction cache miss. Miss asserted 1 cycle at start of cache miss
|
||||
assign CounterEvent[18] = ICacheStallF; // i cache miss cycles
|
||||
assign CounterEvent[18] = ICacheStallF; // I$ miss cycles
|
||||
assign CounterEvent[19] = CSRWriteM & InstrValidNotFlushedM; // CSR writes
|
||||
assign CounterEvent[20] = InvalidateICacheM & InstrValidNotFlushedM; // fence.i
|
||||
assign CounterEvent[21] = sfencevmaM & InstrValidNotFlushedM; // sfence.vma
|
||||
|
Loading…
Reference in New Issue
Block a user