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jeremybenn |
# MIPS simulator instruction tests
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# As gross as it is, we unset the linker script specified by the target
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# board. The MIPS libgloss linker scripts include libgcc (and possibly
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# other libraries), which the linker (used to link these tests rather
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# than the compiler) can't necessarily find.
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unset_currtarget_info ldscript
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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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# Only test mips*-*-elf (e.g., no mips*-*-linux), and only test if the target
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# board really is a simulator (sim tests don't work on real HW).
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if {[istarget mips*-*-elf] && [board_info target exists is_simulator]} {
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set dspmodels ""
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set mdmxmodels ""
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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*]} {
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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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} 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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} 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_test sanity.s $submodels
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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_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_test mips32-dsp.s $dspmodels
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run_sim_test mips32-dsp2.s $dspmodels
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}
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