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      1 #mach: crisv10 crisv32
      2 #sim(crisv10): --hw-device "/rv/trace? true"
      3 #sim(crisv32): --hw-device "/rv/trace? true"
      4 #output: /rv: WD\n
      5 #output: /rv: REG R 0xd0000032\n
      6 #output: /rv: := 0xabcdef01\n
      7 #output: /rv: IRQ 0x4\n
      8 #output: /rv: REG R 0xd0000036\n
      9 #output: /rv: := 0x76543210\n
     10 #output: /rv: REG R 0xd0000030\n
     11 #output: /rv: IRQ 0x0\n
     12 #output: /rv: IRQ 0x8\n
     13 #output: /rv: := 0xeeff4455\n
     14 #output: /rv: REG R 0xd0000034\n
     15 #output: /rv: := 0xdd001122\n
     16 #output: /rv: REG R 0xd0000038\n
     17 #output: /rv: := 0xaaeeff44\n
     18 #output: /rv: REG R 0xd000003c\n
     19 #output: /rv: := 0xff445511\n
     20 #output: pass\n
     21 
     22 # Test two successive ints; that flags are disabled when an interrupt
     23 # is taken, and then automatically (or by register restore) enabled at
     24 # return.
     25 
     26 #r W,
     27 #r r,a8832,abcdef01
     28 #r I,4
     29 #r r,a8836,76543210
     30 #r I,0
     31 #r I,8
     32 #r r,a8830,eeff4455
     33 #r r,a8834,dd001122
     34 #r r,a8838,aaeeff44
     35 #r r,a883c,ff445511
     36 
     37  .lcomm dummy,4
     38 
     39  .include "testutils.inc"
     40  start
     41  test_h_mem 0xabcdef01 0xd0000032
     42  moveq -1,$r4
     43 
     44  .if ..asm.arch.cris.v32
     45  move irqvec1,$ebp
     46  .else
     47  move irqvec1,$ibr
     48  .endif
     49 
     50  ei
     51  test_h_mem 0,dummy
     52 
     53  ; Here after the first interrupt, or perhaps the second interrupt is
     54  ; taken directly; leave it optional.  Anyway, the second interrupt
     55  ; should be taken no later than this branch.
     56  test_h_mem 0,dummy
     57 
     58 killme:
     59  fail
     60 
     61 irq0x33:
     62  .if ..asm.arch.cris.v32
     63  ; Nothing needed to save flags - "shift" should happen, and back at rfe.
     64  .else
     65  ; The missing sim support for interrupt-excluding instructions is matched
     66  ; by the flaw that sim doesn't service interrupts in straight code.
     67  ; So, we can use a sequence that would work on actual hardware.
     68  move $dccr,$r5
     69  di
     70  .endif
     71 
     72  test_h_mem 0x76543210 0xd0000036
     73  test_h_mem 0xeeff4455 0xd0000030
     74  test_h_mem 0xdd001122 0xd0000034
     75  moveq -22,$r4
     76 
     77  .if ..asm.arch.cris.v32
     78  move irqvec2,$ebp
     79  rete
     80  rfe
     81  .else
     82  move irqvec2,$ibr
     83  reti
     84  move $r5,$dccr
     85  .endif
     86 
     87  pass
     88 
     89 irq0x34:
     90  test_h_mem 0xaaeeff44 0xd0000038
     91  test_h_mem 0xff445511 0xd000003c
     92  cmpq -22,$r4
     93  bne killme
     94  nop
     95  pass
     96 
     97  singlevec irqvec1,0x33,irq0x33
     98 
     99  singlevec irqvec2,0x34,irq0x34
    100