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# MIPS simulator instruction tests
sim_init
# Do "run_sim_test TESTFILE MODELS" for each combination of the
# mf{lo,hi} -> mult/div/mt{lo,hi} hazard described in mips.igen.
# Insert NOPS nops after the mflo or mfhi.
proc run_hilo_test {testfile models nops} {
foreach reg {lo hi} {
foreach insn "{mult\t\$4,\$4} {div\t\$0,\$4,\$4} {mt$reg\t\$4}" {
set contents ""
append contents "\t.macro hilo\n"
append contents "\tmf$reg\t\$4\n"
append contents "\t.rept\t$nops\n"
append contents "\tnop\n"
append contents "\t.endr\n"
append contents "\t$insn\n"
append contents "\t.endm"
verbose -log "HILO test:\n$contents"
set file [open hilo-hazard.inc w]
puts $file $contents
close $file
run_sim_test $testfile $models
}
}
}
# Runs micromips tests by adding -mmicromips to as options
proc run_micromips_test { name requested_machs } {
global ASFLAGS_FOR_TARGET
set ASFLAGS_FOR_TARGET "-mmicromips"
run_sim_test $name $requested_machs
unset ASFLAGS_FOR_TARGET
}
# Runs endian tests
proc run_endian_tests { name requested_machs } {
global ASFLAGS_FOR_TARGET
global LDFLAGS_FOR_TARGET
run_sim_test $name $requested_machs
set ASFLAGS_FOR_TARGET "-EL"
set LDFLAGS_FOR_TARGET "-EL"
run_sim_test $name $requested_machs
unset ASFLAGS_FOR_TARGET
unset LDFLAGS_FOR_TARGET
}
# Runs all specified tests
proc run_sim_tests { name requested_machs { requested_micromips_machs "" } } {
run_sim_test $name $requested_machs
run_micromips_test $name $requested_micromips_machs
}
# Runs the combination of instructions removed in R6 through the testsuite
proc run_r6_removed_test {testfile models} {
global subdir srcdir
set fd [open "$srcdir/$subdir/r6-removed.csv" r]
set file_data [read $fd]
close $fd
set data [split $file_data "\n"]
foreach line $data {
set line_contents [split $line ","]
set mnemonic [lindex $line_contents 0]
set insn [lindex $line_contents 1]
if {[string compare $insn ""] == 1} {
set contents ""
append contents ".macro removed_instr\n"
append contents ".word $insn\n"
append contents "nop\n"
append contents ".endm"
verbose -log "r6-removed test: $mnemonic\n$contents"
set file [open r6-removed.inc w]
puts $file $contents
close $file
run_sim_test $testfile $models
}
}
}
if {[istarget *]} {
# Used to locate the `run` program.
global arch
set arch "mips"
set dspmodels ""
set mdmxmodels ""
set micromipsmodels ""
set micromipsdspmodels ""
if {[istarget mipsisa64sb1*-*-elf]} {
set models "sb1"
set submodels "mips1 mips2 mips3 mips4 mips32 mips64"
append mdmxmodels " mips64"
} elseif {[istarget mipsisa64r6*-*-elf]} {
set models "mips32r6 mips64r6"
set submodels ""
} elseif {[istarget mipsisa64*-*-elf]} {
set models "mips32 mips64 mips32r2 mips64r2"
set submodels "mips1 mips2 mips3 mips4"
append dspmodels " mips32r2 mips64r2"
append mdmxmodels " mips64 mips32r2 mips64r2"
} elseif {[istarget mips*-sde-elf*] || [istarget mips*-mti-elf*]} {
set models "mips32 mips64 mips32r2 mips64r2 mips32r6 mips64r6"
set submodels ""
append dspmodels " mips32r2 mips64r2 mips32r6 mips64r6"
append mdmxmodels " mips64 mips32r2 mips64r2 mips32r6 mips64r6"
append micromipsmodels " mips32r2 mips64r2"
append micromipsdspmodels " mips32r2 mips64r2"
} elseif {[istarget mipsisa32r6*-*-elf]} {
set models "mips32r6"
set submodels ""
} elseif {[istarget mipsisa32*-*-elf]} {
set models "mips32 mips32r2"
set submodels "mips1 mips2"
append dspmodels " mips32r2"
append mdmxmodels " mips32r2"
append micromipsmodels " mips32r2"
append micromipsdspmodels " mips32r2"
} elseif {[istarget mips64vr*-*-elf]} {
set models "vr4100 vr4111 vr4120 vr5000 vr5400 vr5500"
set submodels "mips1 mips2 mips3 mips4"
} elseif {[istarget mips64*-*-elf]} {
set models "mips3"
set submodels "mips1 mips2"
} else {
# fall back to just testing mips1 code.
set models "mips1"
set submodels ""
}
append submodels " " $models
set cpu_option -march
run_sim_tests sanity.s $submodels $micromipsmodels
foreach nops {0 1} {
run_hilo_test hilo-hazard-1.s $models $nops
run_hilo_test hilo-hazard-2.s $models $nops
}
run_hilo_test hilo-hazard-3.s $models 2
run_hilo_test hilo-hazard-4.s $micromipsmodels 2
run_sim_test fpu64-ps.s $submodels
run_sim_test fpu64-ps-sb1.s $submodels
run_sim_test mdmx-ob.s $mdmxmodels
run_sim_test mdmx-ob-sb1.s $mdmxmodels
run_sim_tests mips32-dsp.s $dspmodels $micromipsdspmodels
run_sim_tests mips32-dsp2.s $dspmodels $micromipsdspmodels
run_sim_test r2-fpu.s $models
run_sim_test r6-fpu.s $models
run_sim_test r6.s $models
run_sim_test r6-forbidden.s $models
run_r6_removed_test r6-removed.s $models
run_sim_test r6-64.s $models
run_sim_test r6-branch.s $models
run_endian_tests r6-llsc-wp.s $models
run_endian_tests r6-llsc-dp.s $models
}
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