| nkeynes@586 | 1 | .section .text
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| nkeynes@586 | 2 | .include "sh4/inc.s"
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| nkeynes@586 | 3 | !
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| nkeynes@586 | 4 | ! Test for correct UTLB operation.
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| nkeynes@586 | 5 | !
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| nkeynes@586 | 6 | ! Note we don't test triggering a TLB multiple-hit exception - it's a reset
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| nkeynes@586 | 7 | ! rather than a regular exception.
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| nkeynes@586 | 8 |
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| nkeynes@586 | 9 | .global _test_tlb
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| nkeynes@586 | 10 | _test_tlb:
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| nkeynes@586 | 11 | start_test
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| nkeynes@586 | 12 |
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| nkeynes@586 | 13 | ! Turn on AT, and flush the current TLB (if any)
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| nkeynes@586 | 14 | ! Initialize to SV=0, SQMD=0, URB=URC=LRUI=0
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| nkeynes@586 | 15 | mov.l test_tlb_mmucr, r0
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| nkeynes@586 | 16 | mov #5, r1
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| nkeynes@586 | 17 | mov.l r1, @r0
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| nkeynes@586 | 18 |
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| nkeynes@586 | 19 | ! Privileged mode tests first (much easier)
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| nkeynes@586 | 20 | add #1, r12
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| nkeynes@586 | 21 | mov.l test_tlb1_pteh, r1
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| nkeynes@586 | 22 | mov.l test_tlb_pteh, r2
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| nkeynes@586 | 23 | mov.l r1, @r2
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| nkeynes@586 | 24 | mov.l test_tlb1_ptel, r1
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| nkeynes@586 | 25 | mov.l test_tlb_ptel, r2
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| nkeynes@586 | 26 | mov.l r1, @r2
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| nkeynes@586 | 27 | ldtlb
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| nkeynes@586 | 28 |
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| nkeynes@586 | 29 | ! Simple read
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| nkeynes@586 | 30 | mov.l test_tlb1_direct, r3
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| nkeynes@586 | 31 | mov #42, r2
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| nkeynes@586 | 32 | mov.l r2, @r3
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| nkeynes@586 | 33 | mov.l test_tlb1_mmu, r0
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| nkeynes@586 | 34 | mov.l @r0, r1
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| nkeynes@586 | 35 | cmp/eq r1, r2
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| nkeynes@586 | 36 | bt test_tlb_2
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| nkeynes@586 | 37 | fail test_tlb_str_k
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| nkeynes@586 | 38 | bra test_tlb_2
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| nkeynes@586 | 39 | nop
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| nkeynes@586 | 40 | test_tlb1_pteh:
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| nkeynes@586 | 41 | .long 0x12345012
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| nkeynes@586 | 42 | test_tlb1_ptel:
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| nkeynes@586 | 43 | .long 0x005F8120
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| nkeynes@586 | 44 |
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| nkeynes@586 | 45 | test_tlb_2:
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| nkeynes@586 | 46 | ! Trigger an initial-page-write exception
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| nkeynes@586 | 47 | add #1, r12
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| nkeynes@586 | 48 | expect_exc 0x00000080
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| nkeynes@586 | 49 | mov.l test_tlb1_mmu, r0
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| nkeynes@586 | 50 | test_tlb2_exc:
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| nkeynes@586 | 51 | mov.l r0, @r0
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| nkeynes@586 | 52 | assert_tlb_exc_caught test_tlb_str_k test_tlb2_exc test_tlb1_mmu
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| nkeynes@586 | 53 |
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| nkeynes@586 | 54 | test_tlb_3:
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| nkeynes@586 | 55 | ! Trigger a missing page read exception by invalidation
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| nkeynes@586 | 56 | add #1, r12
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| nkeynes@586 | 57 | mov.l test_tlb3_addr, r1
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| nkeynes@586 | 58 | mov.l test_tlb3_data, r2
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| nkeynes@586 | 59 | mov.l r2, @r1
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| nkeynes@586 | 60 |
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| nkeynes@586 | 61 | expect_exc 0x00000040
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| nkeynes@586 | 62 | mov.l test_tlb1_mmu, r0
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| nkeynes@586 | 63 | test_tlb3_exc:
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| nkeynes@586 | 64 | mov.l @r0, r2
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| nkeynes@586 | 65 | assert_tlb_exc_caught test_tlb_str_k, test_tlb3_exc, test_tlb1_mmu
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| nkeynes@586 | 66 | bra test_tlb_4
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| nkeynes@586 | 67 | nop
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| nkeynes@586 | 68 |
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| nkeynes@586 | 69 | test_tlb3_addr:
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| nkeynes@586 | 70 | .long 0xF6000F80
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| nkeynes@586 | 71 | test_tlb3_data:
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| nkeynes@586 | 72 | .long 0x12345212
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| nkeynes@586 | 73 |
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| nkeynes@586 | 74 | test_tlb_4:
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| nkeynes@586 | 75 | ! Test missing page write exception on the same page
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| nkeynes@586 | 76 | add #1, r12
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| nkeynes@586 | 77 | expect_exc 0x00000060
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| nkeynes@586 | 78 | mov.l test_tlb1_mmu, r0
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| nkeynes@586 | 79 | test_tlb4_exc:
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| nkeynes@586 | 80 | mov.l r2, @r0
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| nkeynes@586 | 81 | assert_tlb_exc_caught test_tlb_str_k, test_tlb4_exc, test_tlb1_mmu
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| nkeynes@586 | 82 |
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| nkeynes@586 | 83 | test_tlb_5: ! Test initial write exception
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| nkeynes@586 | 84 | add #1, r12
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| nkeynes@586 | 85 |
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| nkeynes@586 | 86 | mov.l test_tlb5_addr, r1
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| nkeynes@586 | 87 | mov.l test_tlb5_data, r2
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| nkeynes@586 | 88 | mov.l r2, @r1
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| nkeynes@586 | 89 |
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| nkeynes@586 | 90 | expect_exc 0x00000080
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| nkeynes@586 | 91 | mov.l test_tlb1_mmu, r0
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| nkeynes@586 | 92 | mov #63, r3
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| nkeynes@586 | 93 | test_tlb5_exc:
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| nkeynes@586 | 94 | mov.l r3, @r0
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| nkeynes@586 | 95 | assert_tlb_exc_caught test_tlb_str_k, test_tlb5_exc, test_tlb1_mmu
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| nkeynes@586 | 96 | mov.l test_tlb1_direct, r3
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| nkeynes@586 | 97 | mov.l @r3, r4
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| nkeynes@586 | 98 | mov #42, r2
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| nkeynes@586 | 99 | cmp/eq r2, r4
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| nkeynes@586 | 100 | bf test_tlb5_fail
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| nkeynes@586 | 101 | mov.l test_tlb1_mmu, r0
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| nkeynes@586 | 102 | mov.l @r0, r3
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| nkeynes@586 | 103 | cmp/eq r2, r3
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| nkeynes@586 | 104 | bt test_tlb_6
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| nkeynes@586 | 105 | test_tlb5_fail:
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| nkeynes@586 | 106 | fail test_tlb_str_k
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| nkeynes@976 | 107 | bra test_tlb_6
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| nkeynes@976 | 108 | nop
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| nkeynes@586 | 109 |
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| nkeynes@586 | 110 | test_tlb5_addr:
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| nkeynes@586 | 111 | .long 0xF6000000
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| nkeynes@586 | 112 | test_tlb5_data:
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| nkeynes@586 | 113 | .long 0x12345112
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| nkeynes@586 | 114 |
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| nkeynes@586 | 115 | test_tlb_6:! Test successful write.
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| nkeynes@586 | 116 | add #1, r12
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| nkeynes@586 | 117 |
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| nkeynes@586 | 118 | mov.l test_tlb6_addr, r1
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| nkeynes@586 | 119 | mov.l test_tlb6_data, r2
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| nkeynes@586 | 120 | mov.l r2, @r1
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| nkeynes@586 | 121 |
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| nkeynes@586 | 122 | mov.l test_tlb1_mmu, r0
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| nkeynes@586 | 123 | mov #77, r3
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| nkeynes@586 | 124 | mov.l r3, @r0
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| nkeynes@586 | 125 | mov.l test_tlb1_direct, r1
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| nkeynes@586 | 126 | mov.l @r1, r2
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| nkeynes@586 | 127 | cmp/eq r2, r3
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| nkeynes@586 | 128 | bt test_tlb_7
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| nkeynes@586 | 129 | fail test_tlb_str_k
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| nkeynes@586 | 130 | bra test_tlb_7
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| nkeynes@586 | 131 | nop
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| nkeynes@586 | 132 |
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| nkeynes@586 | 133 | test_tlb_7:
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| nkeynes@586 | 134 | bra test_tlb_end
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| nkeynes@586 | 135 | nop
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| nkeynes@586 | 136 |
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| nkeynes@586 | 137 | test_tlb6_addr:
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| nkeynes@586 | 138 | .long 0xF6000F80
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| nkeynes@586 | 139 | test_tlb6_data:
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| nkeynes@586 | 140 | .long 0x12345312
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| nkeynes@586 | 141 |
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| nkeynes@586 | 142 |
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| nkeynes@586 | 143 | test_tlb1_mmu:
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| nkeynes@586 | 144 | .long 0x12345040
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| nkeynes@586 | 145 | test_tlb1_direct:
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| nkeynes@586 | 146 | .long 0xA05F8040 ! Display border colour
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| nkeynes@586 | 147 |
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| nkeynes@586 | 148 | test_tlb_end:
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| nkeynes@586 | 149 | xor r0, r0
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| nkeynes@586 | 150 | mov.l test_tlb_mmucr, r1
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| nkeynes@586 | 151 | mov.l r0, @r1
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| nkeynes@586 | 152 |
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| nkeynes@586 | 153 | end_test test_tlb_str_k
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| nkeynes@586 | 154 |
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| nkeynes@586 | 155 | test_tlb_mmucr:
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| nkeynes@586 | 156 | .long 0xFF000010
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| nkeynes@586 | 157 | test_tlb_pteh:
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| nkeynes@586 | 158 | .long 0xFF000000
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| nkeynes@586 | 159 | test_tlb_ptel:
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| nkeynes@586 | 160 | .long 0xFF000004
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| nkeynes@586 | 161 | test_tlb_tea:
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| nkeynes@586 | 162 | .long 0xFF00000C
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| nkeynes@586 | 163 | test_tlb_str:
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| nkeynes@586 | 164 | .string "TLB"
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| nkeynes@586 | 165 | .align 4
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| nkeynes@586 | 166 | test_tlb_str_k:
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| nkeynes@586 | 167 | .long test_tlb_str
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lxdream 0.9.1