reactos/lib/ppcmmu/devint.s

   1 /* PowerPC Trap Handler first Half */
   2         .text
   3         .globl mmumain
   4         .globl _mmumain
   5 mmumain:
   6         mr 0,1
   7         lis 1,2
   8         subi 1,1,448
   9         stw 0,20(1)
  10         stw 2,24(1)
  11         stw 3,28(1)
  12         stw 4,32(1)
  13         stw 5,36(1)
  14         stw 6,40(1)
  15         stw 7,44(1)
  16         stw 8,48(1)
  17         stw 9,52(1)
  18         stw 10,56(1)
  19         stw 11,60(1)
  20         stw 12,64(1)
  21         stw 13,68(1)
  22         stw 14,72(1)
  23         stw 15,76(1)
  24         stw 16,80(1)
  25         stw 17,84(1)
  26         stw 18,88(1)
  27         stw 19,92(1)
  28         stw 20,96(1)
  29         stw 21,100(1)
  30         stw 22,104(1)
  31         stw 23,108(1)
  32         stw 24,112(1)
  33         stw 25,116(1)
  34         stw 26,120(1)
  35         stw 27,124(1)
  36         stw 28,128(1)
  37         stw 29,132(1)
  38         stw 30,136(1)
  39         stw 31,140(1)
  40         mfsrr0 0
  41         stw 0,400(1)
  42         mfmsr 0
  43         stw 0,404(1)
  44         mfcr 0
  45         stw 0,408(1)
  46         mflr 0
  47         stw 0,412(1)
  48         mfctr 0
  49         stw 0,416(1)
  50         mfxer 0
  51         stw 0,420(1)
  52         /* xor 0,0,0 -- We can omit this since PPC doesn't have MQ */
  53         stw 0,424(1)
  54         mfdsisr 0
  55         stw 0,428(1)
  56         mfdar 0
  57         stw 0,432(1)
  58         addi 7,1,16
  59         lis 8,_mmumain@ha
  60         addi 8,8,_mmumain@l
  61         mtctr 8
  62         bctrl
  63         addi 1,1,16
  64         lwz 2,8(1)
  65         /* Don't reload r3, since we'll return a result */
  66         lwz 4,16(1)
  67         lwz 5,20(1)
  68         lwz 6,24(1)
  69         lwz 7,28(1)
  70         lwz 8,32(1)
  71         lwz 9,36(1)
  72         lwz 10,40(1)
  73         lwz 11,44(1)
  74         lwz 12,48(1)
  75         lwz 13,52(1)
  76         lwz 14,56(1)
  77         lwz 15,60(1)
  78         lwz 16,64(1)
  79         lwz 17,68(1)
  80         lwz 18,72(1)
  81         lwz 19,76(1)
  82         lwz 20,80(1)
  83         lwz 21,84(1)
  84         lwz 22,88(1)
  85         lwz 23,92(1)
  86         lwz 24,96(1)
  87         lwz 25,100(1)
  88         lwz 26,104(1)
  89         lwz 27,108(1)
  90         lwz 28,112(1)
  91         lwz 29,116(1)
  92         lwz 30,120(1)
  93         lwz 31,124(1)
  94         lwz 0,392(1)
  95         mtcr 0
  96         lwz 0,396(1)
  97         mtlr 0
  98         lwz 0,400(1)
  99         mtctr 0
 100         lwz 0,388(1) /* Copy out new MSR bits if needed */
 101         lwz 1,4(1)
 102         mtmsr 0
 103         blr
 104
 105         .globl trap_start
 106         .globl trap_end
 107 trap_start:
 108         mtsprg1 1
 109         lis 1,2
 110         subi 1,1,448
 111         stw 0,16(1)
 112         mfsprg1 0
 113         stw 0,20(1)
 114         stw 2,24(1)
 115         stw 3,28(1)
 116         stw 4,32(1)
 117         stw 5,36(1)
 118         stw 6,40(1)
 119         stw 7,44(1)
 120         stw 8,48(1)
 121         stw 9,52(1)
 122         stw 10,56(1)
 123         stw 11,60(1)
 124         stw 12,64(1)
 125         stw 13,68(1)
 126         stw 14,72(1)
 127         stw 15,76(1)
 128         stw 16,80(1)
 129         stw 17,84(1)
 130         stw 18,88(1)
 131         stw 19,92(1)
 132         stw 20,96(1)
 133         stw 21,100(1)
 134         stw 22,104(1)
 135         stw 23,108(1)
 136         stw 24,112(1)
 137         stw 25,116(1)
 138         stw 26,120(1)
 139         stw 27,124(1)
 140         stw 28,128(1)
 141         stw 29,132(1)
 142         stw 30,136(1)
 143         stw 31,140(1)
 144         mfsrr0 0
 145         stw 0,400(1)
 146         mfsrr1 0
 147         stw 0,404(1)
 148         mfcr 0
 149         stw 0,408(1)
 150         mflr 0
 151         stw 0,412(1)
 152         mfctr 0
 153         stw 0,416(1)
 154         mfxer 0
 155         stw 0,420(1)
 156         /* xor 0,0,0 -- We can omit this since PPC doesn't have MQ */
 157         stw 0,424(1)
 158         mfdsisr 0
 159         stw 0,428(1)
 160         mfdar 0
 161         stw 0,432(1)
 162         bl 1f
 163 1:      mflr 5
 164         addi 4,1,16
 165         rlwinm 3,5,24,0xff
 166         lwz 5,36(5)
 167         mtctr 5
 168         lis 5,trap_finish_start@ha
 169         addi 5,5,trap_finish_start@l
 170         mtlr 5
 171         bctr
 172 trap_end:
 173         .space 4
 174
 175         .globl trap_finish_start
 176 trap_finish_start:
 177         addi 1,1,16
 178         lwz 2,8(1)
 179         lwz 3,12(1)
 180         lwz 4,16(1)
 181         lwz 5,20(1)
 182         lwz 6,24(1)
 183         lwz 7,28(1)
 184         lwz 8,32(1)
 185         lwz 9,36(1)
 186         lwz 10,40(1)
 187         lwz 11,44(1)
 188         lwz 12,48(1)
 189         lwz 13,52(1)
 190         lwz 14,56(1)
 191         lwz 15,60(1)
 192         lwz 16,64(1)
 193         lwz 17,68(1)
 194         lwz 18,72(1)
 195         lwz 19,76(1)
 196         lwz 20,80(1)
 197         lwz 21,84(1)
 198         lwz 22,88(1)
 199         lwz 23,92(1)
 200         lwz 24,96(1)
 201         lwz 25,100(1)
 202         lwz 26,104(1)
 203         lwz 27,108(1)
 204         lwz 28,112(1)
 205         lwz 29,116(1)
 206         lwz 30,120(1)
 207         lwz 31,124(1)
 208         lwz 0,384(1)
 209         mtsrr0 0
 210         lwz 0,388(1)
 211         mtsrr1 0
 212         lwz 0,392(1)
 213         mtcr 0
 214         lwz 0,396(1)
 215         mtlr 0
 216         lwz 0,400(1)
 217         mtctr 0
 218         lwz 0,404(1)
 219         mtxer 0
 220         lwz 0,412(1)
 221         mtdsisr 0
 222         lwz 0,416(1)
 223         mtdar 0
 224         lwz 0,0(1)
 225         lwz 1,4(1)
 226         rfi