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c0d6a6e582
The sim_init function was called by runtest for each test when --tool was set to sim. When we changed to --tool '' to collapse the testsuite dir, the init function was no longer called on every test. However, it was still being called explicitly by config/default.exp. It's not clear why that explicit call ever existed since, in the past, it meant it was redundant. Lets drop the single sim_init call in config/default.exp and move it out to all our tests. This replicates the runtest behavior so we can setup variables on a per-test basis which allows us to recollapse the sim_path logic back. We'll also leverage this in the future for toolchain setup. Also add a few comments clarifying the overall runtime behavior.
107 lines
3.2 KiB
Plaintext
107 lines
3.2 KiB
Plaintext
# MIPS simulator instruction tests
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sim_init
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# Do "run_sim_test TESTFILE MODELS" for each combination of the
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# mf{lo,hi} -> mult/div/mt{lo,hi} hazard described in mips.igen.
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# Insert NOPS nops after the mflo or mfhi.
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proc run_hilo_test {testfile models nops} {
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foreach reg {lo hi} {
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foreach insn "{mult\t\$4,\$4} {div\t\$0,\$4,\$4} {mt$reg\t\$4}" {
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set contents ""
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append contents "\t.macro hilo\n"
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append contents "\tmf$reg\t\$4\n"
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append contents "\t.rept\t$nops\n"
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append contents "\tnop\n"
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append contents "\t.endr\n"
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append contents "\t$insn\n"
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append contents "\t.endm"
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verbose -log "HILO test:\n$contents"
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set file [open hilo-hazard.inc w]
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puts $file $contents
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close $file
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run_sim_test $testfile $models
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}
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}
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}
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# Runs micromips tests by adding -mmicromips to as options
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proc run_micromips_test { name requested_machs } {
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global ASFLAGS_FOR_TARGET
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set ASFLAGS_FOR_TARGET "-mmicromips"
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run_sim_test $name $requested_machs
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unset ASFLAGS_FOR_TARGET
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}
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# Runs all specified tests
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proc run_sim_tests { name requested_machs { requested_micromips_machs "" } } {
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run_sim_test $name $requested_machs
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run_micromips_test $name $requested_micromips_machs
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}
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# Only test mips*-*-elf (e.g., no mips*-*-linux)
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if {[istarget mips*-*-elf]} {
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set dspmodels ""
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set mdmxmodels ""
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set micromipsmodels ""
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set micromipsdspmodels ""
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if {[istarget mipsisa64sb1*-*-elf]} {
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set models "sb1"
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set submodels "mips1 mips2 mips3 mips4 mips32 mips64"
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append mdmxmodels " mips64"
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} elseif {[istarget mipsisa64*-*-elf]} {
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set models "mips32 mips64 mips32r2 mips64r2"
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set submodels "mips1 mips2 mips3 mips4"
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append dspmodels " mips32r2 mips64r2"
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append mdmxmodels " mips64 mips32r2 mips64r2"
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} elseif {[istarget mips*-sde-elf*] || [istarget mips*-mti-elf*]} {
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set models "mips32 mips64 mips32r2 mips64r2"
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set submodels ""
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append dspmodels " mips32r2 mips64r2"
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append mdmxmodels " mips64 mips32r2 mips64r2"
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append micromipsmodels " mips32r2"
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append micromipsdspmodels " mips32r2 mips64r2"
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} elseif {[istarget mipsisa32*-*-elf]} {
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set models "mips32 mips32r2"
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set submodels "mips1 mips2"
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append dspmodels " mips32r2"
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append mdmxmodels " mips32r2"
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append micromipsmodels " mips32r2"
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append micromipsdspmodels " mips32r2"
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} elseif {[istarget mips64vr*-*-elf]} {
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set models "vr4100 vr4111 vr4120 vr5000 vr5400 vr5500"
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set submodels "mips1 mips2 mips3 mips4"
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} elseif {[istarget mips64*-*-elf]} {
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set models "mips3"
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set submodels "mips1 mips2"
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} else {
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# fall back to just testing mips1 code.
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set models "mips1"
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set submodels ""
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}
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append submodels " " $models
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set cpu_option -march
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run_sim_tests sanity.s $submodels $micromipsmodels
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foreach nops {0 1} {
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run_hilo_test hilo-hazard-1.s $models $nops
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run_hilo_test hilo-hazard-2.s $models $nops
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}
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run_hilo_test hilo-hazard-3.s $models 2
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run_hilo_test hilo-hazard-4.s $micromipsmodels 2
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run_sim_test fpu64-ps.s $submodels
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run_sim_test fpu64-ps-sb1.s $submodels
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run_sim_test mdmx-ob.s $mdmxmodels
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run_sim_test mdmx-ob-sb1.s $mdmxmodels
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run_sim_tests mips32-dsp.s $dspmodels $micromipsdspmodels
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run_sim_tests mips32-dsp2.s $dspmodels $micromipsdspmodels
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}
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