qemu/tests/tcg/xtensa/test_break.S
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   1.include "macros.inc"
   2
   3#define debug_level 6
   4#define debug_vector level6
   5
   6test_suite break
   7
   8test break
   9    set_vector debug_vector, 0
  10    rsil    a2, debug_level
  11    _break  0, 0
  12
  13    set_vector debug_vector, 2f
  14    rsil    a2, debug_level - 1
  151:
  16    _break  0, 0
  17    test_fail
  182:
  19    rsr     a2, ps
  20    movi    a3, 0x1f
  21    and     a2, a2, a3
  22    movi    a3, 0x10 | debug_level
  23    assert  eq, a2, a3
  24    rsr     a2, epc6
  25    movi    a3, 1b
  26    assert  eq, a2, a3
  27    rsr     a2, debugcause
  28    movi    a3, 0x8
  29    assert  eq, a2, a3
  30test_end
  31
  32test breakn
  33    set_vector debug_vector, 0
  34    rsil    a2, debug_level
  35    _break.n  0
  36
  37    set_vector debug_vector, 2f
  38    rsil    a2, debug_level - 1
  391:
  40    _break.n  0
  41    test_fail
  422:
  43    rsr     a2, ps
  44    movi    a3, 0x1f
  45    and     a2, a2, a3
  46    movi    a3, 0x10 | debug_level
  47    assert  eq, a2, a3
  48    rsr     a2, epc6
  49    movi    a3, 1b
  50    assert  eq, a2, a3
  51    rsr     a2, debugcause
  52    movi    a3, 0x10
  53    assert  eq, a2, a3
  54test_end
  55
  56test ibreak
  57    set_vector debug_vector, 0
  58    rsil    a2, debug_level
  59    movi    a2, 1f
  60    wsr     a2, ibreaka0
  61    movi    a2, 1
  62    wsr     a2, ibreakenable
  63    isync
  641:
  65    rsil    a2, debug_level - 1
  66    movi    a2, 1f
  67    wsr     a2, ibreaka0
  68    movi    a2, 0
  69    wsr     a2, ibreakenable
  70    isync
  711:
  72    set_vector debug_vector, 2f
  73    movi    a2, 1f
  74    wsr     a2, ibreaka0
  75    movi    a2, 1
  76    wsr     a2, ibreakenable
  77    isync
  781:
  79    test_fail
  802:
  81    rsr     a2, ps
  82    movi    a3, 0x1f
  83    and     a2, a2, a3
  84    movi    a3, 0x10 | debug_level
  85    assert  eq, a2, a3
  86    rsr     a2, epc6
  87    movi    a3, 1b
  88    assert  eq, a2, a3
  89    rsr     a2, debugcause
  90    movi    a3, 0x2
  91    assert  eq, a2, a3
  92test_end
  93
  94test ibreak_remove
  95    set_vector debug_vector, 3f
  96    rsil    a2, debug_level - 1
  97    movi    a2, 2f
  98    wsr     a2, ibreaka0
  99    movi    a3, 1
 1001:
 101    wsr     a3, ibreakenable
 102    isync
 1032:
 104    beqz    a3, 4f
 105    test_fail
 1063:
 107    assert  eqi, a3, 1
 108    rsr     a2, ps
 109    movi    a3, 0x1f
 110    and     a2, a2, a3
 111    movi    a3, 0x10 | debug_level
 112    assert  eq, a2, a3
 113    rsr     a2, epc6
 114    movi    a3, 2b
 115    assert  eq, a2, a3
 116    rsr     a2, debugcause
 117    movi    a3, 0x2
 118    assert  eq, a2, a3
 119
 120    movi    a2, 0x40000
 121    wsr     a2, ps
 122    isync
 123    movi    a3, 0
 124    j       1b
 1254:
 126test_end
 127
 128test ibreak_priority
 129    set_vector debug_vector, 2f
 130    rsil    a2, debug_level - 1
 131    movi    a2, 1f
 132    wsr     a2, ibreaka0
 133    movi    a2, 1
 134    wsr     a2, ibreakenable
 135    isync
 1361:
 137    break   0, 0
 138    test_fail
 1392:
 140    rsr     a2, debugcause
 141    movi    a3, 0x2
 142    assert  eq, a2, a3
 143test_end
 144
 145test icount
 146    set_vector debug_vector, 2f
 147    rsil    a2, debug_level - 1
 148    movi    a2, -2
 149    wsr     a2, icount
 150    movi    a2, 1
 151    wsr     a2, icountlevel
 152    isync
 153    rsil    a2, 0
 154    nop
 1551:
 156    break   0, 0
 157    test_fail
 1582:
 159    movi    a2, 0
 160    wsr     a2, icountlevel
 161    rsr     a2, epc6
 162    movi    a3, 1b
 163    assert  eq, a2, a3
 164    rsr     a2, debugcause
 165    movi    a3, 0x1
 166    assert  eq, a2, a3
 167test_end
 168
 169.macro check_dbreak dr
 170    rsr     a2, epc6
 171    movi    a3, 1b
 172    assert  eq, a2, a3
 173    rsr     a2, debugcause
 174    movi    a3, 0x4 | (\dr << 8)
 175    assert  eq, a2, a3
 176    movi    a2, 0
 177    wsr     a2, dbreakc\dr
 178.endm
 179
 180.macro dbreak_test dr, ctl, break, access, op
 181    set_vector debug_vector, 2f
 182    rsil    a2, debug_level - 1
 183    movi    a2, \ctl
 184    wsr     a2, dbreakc\dr
 185    movi    a2, \break
 186    wsr     a2, dbreaka\dr
 187    movi    a2, \access
 188    isync
 1891:
 190    \op     a3, a2, 0
 191    test_fail
 1922:
 193    check_dbreak \dr
 194    reset_ps
 195.endm
 196
 197test dbreak_exact
 198    dbreak_test 0, 0x4000003f, 0xd000007f, 0xd000007f, l8ui
 199    dbreak_test 1, 0x4000003e, 0xd000007e, 0xd000007e, l16ui
 200    dbreak_test 0, 0x4000003c, 0xd000007c, 0xd000007c, l32i
 201
 202    dbreak_test 1, 0x8000003f, 0xd000007f, 0xd000007f, s8i
 203    dbreak_test 0, 0x8000003e, 0xd000007e, 0xd000007e, s16i
 204    dbreak_test 1, 0x8000003c, 0xd000007c, 0xd000007c, s32i
 205test_end
 206
 207test dbreak_overlap
 208    dbreak_test 0, 0x4000003f, 0xd000007d, 0xd000007c, l16ui
 209    dbreak_test 1, 0x4000003f, 0xd000007d, 0xd000007c, l32i
 210
 211    dbreak_test 0, 0x4000003e, 0xd000007e, 0xd000007f, l8ui
 212    dbreak_test 1, 0x4000003e, 0xd000007e, 0xd000007c, l32i
 213
 214    dbreak_test 0, 0x4000003c, 0xd000007c, 0xd000007d, l8ui
 215    dbreak_test 1, 0x4000003c, 0xd000007c, 0xd000007c, l16ui
 216
 217    dbreak_test 0, 0x40000038, 0xd0000078, 0xd000007b, l8ui
 218    dbreak_test 1, 0x40000038, 0xd0000078, 0xd000007a, l16ui
 219    dbreak_test 0, 0x40000038, 0xd0000078, 0xd000007c, l32i
 220
 221    dbreak_test 1, 0x40000030, 0xd0000070, 0xd0000075, l8ui
 222    dbreak_test 0, 0x40000030, 0xd0000070, 0xd0000076, l16ui
 223    dbreak_test 1, 0x40000030, 0xd0000070, 0xd0000078, l32i
 224
 225    dbreak_test 0, 0x40000020, 0xd0000060, 0xd000006f, l8ui
 226    dbreak_test 1, 0x40000020, 0xd0000060, 0xd0000070, l16ui
 227    dbreak_test 0, 0x40000020, 0xd0000060, 0xd0000074, l32i
 228
 229
 230    dbreak_test 0, 0x8000003f, 0xd000007d, 0xd000007c, s16i
 231    dbreak_test 1, 0x8000003f, 0xd000007d, 0xd000007c, s32i
 232
 233    dbreak_test 0, 0x8000003e, 0xd000007e, 0xd000007f, s8i
 234    dbreak_test 1, 0x8000003e, 0xd000007e, 0xd000007c, s32i
 235
 236    dbreak_test 0, 0x8000003c, 0xd000007c, 0xd000007d, s8i
 237    dbreak_test 1, 0x8000003c, 0xd000007c, 0xd000007c, s16i
 238
 239    dbreak_test 0, 0x80000038, 0xd0000078, 0xd000007b, s8i
 240    dbreak_test 1, 0x80000038, 0xd0000078, 0xd000007a, s16i
 241    dbreak_test 0, 0x80000038, 0xd0000078, 0xd000007c, s32i
 242
 243    dbreak_test 1, 0x80000030, 0xd0000070, 0xd0000075, s8i
 244    dbreak_test 0, 0x80000030, 0xd0000070, 0xd0000076, s16i
 245    dbreak_test 1, 0x80000030, 0xd0000070, 0xd0000078, s32i
 246
 247    dbreak_test 0, 0x80000020, 0xd0000060, 0xd000006f, s8i
 248    dbreak_test 1, 0x80000020, 0xd0000060, 0xd0000070, s16i
 249    dbreak_test 0, 0x80000020, 0xd0000060, 0xd0000074, s32i
 250test_end
 251
 252test dbreak_invalid
 253    dbreak_test 0, 0x40000030, 0xd0000071, 0xd0000070, l16ui
 254    dbreak_test 1, 0x40000035, 0xd0000072, 0xd0000070, l32i
 255test_end
 256
 257test_suite_end
 258