sim/testsuite/sim/mips/basic.exp

   1 # MIPS simulator instruction tests
   2
   3 # As gross as it is, we unset the linker script specifid by the target
   4 # board.  The MIPS libgloss linker scripts include libgcc (and possibly
   5 # other libraries), which the linker (used to link these tests rather
   6 # than the compiler) can't necessarily find.
   7 unset_currtarget_info ldscript
   8
   9 # Do "run_sim_test TESTFILE MODELS" for each combination of the
  10 # mf{lo,hi} -> mult/div/mt{lo,hi} hazard described in mips.igen.
  11 # Insert NOPS nops after the mflo or mfhi.
  12 proc run_hilo_test {testfile models nops} {
  13     foreach reg {lo hi} {
  14         foreach insn "{mult\t\$4,\$4} {div\t\$0,\$4,\$4} {mt$reg\t\$4}" {
  15             set contents ""
  16             append contents "\t.macro hilo\n"
  17             append contents "\tmf$reg\t\$4\n"
  18             append contents "\t.rept\t$nops\n"
  19             append contents "\tnop\n"
  20             append contents "\t.endr\n"
  21             append contents "\t$insn\n"
  22             append contents "\t.endm"
  23
  24             verbose -log "HILO test:\n$contents"
  25             set file [open hilo-hazard.inc w]
  26             puts $file $contents
  27             close $file
  28
  29             run_sim_test $testfile $models
  30         }
  31     }
  32 }
  33
  34
  35 # Only test mips*-elf (e.g., no mips-linux), and only test if the target
  36 # board really is a simulator (sim tests don't work on real HW).
  37 if {[istarget mips*-elf] && [board_info target exists is_simulator]} {
  38
  39     if {[istarget mipsisa64*-elf]} {
  40         set models "mips32 mips64"
  41         set submodels "mips1 mips2 mips3 mips4"
  42     } elseif {[istarget mipsisa32*-elf]} {
  43         set models "mips32"
  44         set submodels "mips1 mips2"
  45     } elseif {[istarget mips64vr-*-elf] || [istarget mips64vrel-*-elf]} {
  46         set models "vr4100 vr4111 vr4120 vr5000 vr5400 vr5500"
  47         set submodels "mips1 mips2 mips3 mips4"
  48     } elseif {[istarget mips64*-elf]} {
  49         set models "mips3"
  50         set submodels "mips1 mips2"
  51     } else {
  52         # fall back to just testing mips1 code.
  53         set models "mips1"
  54         set submodels ""
  55     }
  56     append submodels " " $models
  57     set cpu_option -march
  58
  59     run_sim_test sanity.s $submodels
  60     foreach nops {0 1} {
  61         run_hilo_test hilo-hazard-1.s $models $nops
  62         run_hilo_test hilo-hazard-2.s $models $nops
  63     }
  64     run_hilo_test hilo-hazard-3.s $models 2
  65 }