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| Rev 1267 | Rev 1277 | ||
|---|---|---|---|
| Line 30... | Line 30... | ||
| 30 | 30 | ||
| 31 | .text |
31 | .text |
| 32 | 32 | ||
| 33 | .global userspace_asm |
33 | .global userspace_asm |
| 34 | .global iret |
34 | .global iret |
| - | 35 | .global iret_syscall |
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| 35 | .global memsetb |
36 | .global memsetb |
| 36 | .global memcpy |
37 | .global memcpy |
| 37 | 38 | ||
| 38 | userspace_asm: |
39 | userspace_asm: |
| 39 | 40 | ||
| Line 64... | Line 65... | ||
| 64 | # jump to userspace |
65 | # jump to userspace |
| 65 | 66 | ||
| 66 | rfi |
67 | rfi |
| 67 | 68 | ||
| 68 | iret: |
69 | iret: |
| - | 70 | ||
| - | 71 | # disable interrupts |
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| - | 72 | ||
| - | 73 | mfmsr r31 |
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| - | 74 | rlwinm r31, r31, 0, 17, 15 |
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| - | 75 | mtmsr r31 |
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| - | 76 | ||
| 69 | lwz r0, 0(sp) |
77 | lwz r0, 0(sp) |
| 70 | lwz r2, 4(sp) |
78 | lwz r2, 4(sp) |
| 71 | lwz r3, 8(sp) |
79 | lwz r3, 8(sp) |
| 72 | lwz r4, 12(sp) |
80 | lwz r4, 12(sp) |
| 73 | lwz r5, 16(sp) |
81 | lwz r5, 16(sp) |
| Line 96... | Line 104... | ||
| 96 | lwz r29, 108(sp) |
104 | lwz r29, 108(sp) |
| 97 | lwz r30, 112(sp) |
105 | lwz r30, 112(sp) |
| 98 | lwz r31, 116(sp) |
106 | lwz r31, 116(sp) |
| 99 | 107 | ||
| 100 | lwz r12, 120(sp) |
108 | lwz r12, 120(sp) |
| 101 | mtsrr0 r12 |
109 | mtcr r12 |
| 102 | 110 | ||
| 103 | lwz r12, 124(sp) |
111 | lwz r12, 124(sp) |
| 104 | mtsrr1 r12 |
112 | mtsrr0 r12 |
| 105 | 113 | ||
| 106 | lwz r12, 128(sp) |
114 | lwz r12, 128(sp) |
| 107 | mtlr r12 |
115 | mtsrr1 r12 |
| 108 | 116 | ||
| 109 | lwz r12, 132(sp) |
117 | lwz r12, 132(sp) |
| 110 | mtcr r12 |
118 | mtlr r12 |
| 111 | 119 | ||
| 112 | lwz r12, 136(sp) |
120 | lwz r12, 136(sp) |
| 113 | mtctr r12 |
121 | mtctr r12 |
| 114 | 122 | ||
| 115 | lwz r12, 140(sp) |
123 | lwz r12, 140(sp) |
| 116 | mtxer r12 |
124 | mtxer r12 |
| - | 125 | ||
| - | 126 | lwz r12, 144(sp) |
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| - | 127 | lwz sp, 148(sp) |
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| - | 128 | ||
| - | 129 | rfi |
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| 117 | 130 | ||
| 118 | mfsprg1 sp |
131 | iret_syscall: |
| 119 | mfsprg2 r12 |
- | |
| 120 | 132 | ||
| - | 133 | # disable interrupts |
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| - | 134 | ||
| - | 135 | mfmsr r31 |
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| - | 136 | rlwinm r31, r31, 0, 17, 15 |
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| - | 137 | mtmsr r31 |
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| - | 138 | ||
| - | 139 | lwz r0, 0(sp) |
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| - | 140 | lwz r2, 4(sp) |
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| - | 141 | lwz r4, 12(sp) |
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| - | 142 | lwz r5, 16(sp) |
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| - | 143 | lwz r6, 20(sp) |
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| - | 144 | lwz r7, 24(sp) |
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| - | 145 | lwz r8, 28(sp) |
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| - | 146 | lwz r9, 32(sp) |
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| - | 147 | lwz r10, 36(sp) |
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| - | 148 | lwz r11, 40(sp) |
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| - | 149 | lwz r13, 44(sp) |
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| - | 150 | lwz r14, 48(sp) |
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| - | 151 | lwz r15, 52(sp) |
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| - | 152 | lwz r16, 56(sp) |
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| - | 153 | lwz r17, 60(sp) |
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| - | 154 | lwz r18, 64(sp) |
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| - | 155 | lwz r19, 68(sp) |
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| - | 156 | lwz r20, 72(sp) |
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| - | 157 | lwz r21, 76(sp) |
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| - | 158 | lwz r22, 80(sp) |
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| - | 159 | lwz r23, 84(sp) |
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| - | 160 | lwz r24, 88(sp) |
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| - | 161 | lwz r25, 92(sp) |
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| - | 162 | lwz r26, 96(sp) |
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| - | 163 | lwz r27, 100(sp) |
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| - | 164 | lwz r28, 104(sp) |
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| - | 165 | lwz r29, 108(sp) |
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| - | 166 | lwz r30, 112(sp) |
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| - | 167 | lwz r31, 116(sp) |
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| - | 168 | ||
| - | 169 | lwz r12, 120(sp) |
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| - | 170 | mtcr r12 |
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| - | 171 | ||
| - | 172 | lwz r12, 124(sp) |
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| - | 173 | mtsrr0 r12 |
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| - | 174 | ||
| - | 175 | lwz r12, 128(sp) |
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| - | 176 | mtsrr1 r12 |
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| - | 177 | ||
| - | 178 | lwz r12, 132(sp) |
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| - | 179 | mtlr r12 |
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| - | 180 | ||
| - | 181 | lwz r12, 136(sp) |
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| - | 182 | mtctr r12 |
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| - | 183 | ||
| - | 184 | lwz r12, 140(sp) |
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| - | 185 | mtxer r12 |
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| - | 186 | ||
| - | 187 | lwz r12, 144(sp) |
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| - | 188 | lwz sp, 148(sp) |
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| - | 189 | ||
| 121 | rfi |
190 | rfi |
| 122 | 191 | ||
| 123 | memsetb: |
192 | memsetb: |
| 124 | rlwimi r5, r5, 8, 16, 23 |
193 | rlwimi r5, r5, 8, 16, 23 |
| 125 | rlwimi r5, r5, 16, 0, 15 |
194 | rlwimi r5, r5, 16, 0, 15 |