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| Rev 1131 | Rev 1146 | ||
|---|---|---|---|
| Line 110... | Line 110... | ||
| 110 | 110 | ||
| 111 | # r3 = bootinfo (pa) |
111 | # r3 = bootinfo (pa) |
| 112 | # r4 = bootinfo_size |
112 | # r4 = bootinfo_size |
| 113 | # r5 = trans (pa) |
113 | # r5 = trans (pa) |
| 114 | # r6 = kernel size |
114 | # r6 = kernel size |
| - | 115 | # r7 = framebuffer (pa) |
|
| 115 | # r7 = real_mode (pa) |
116 | # r8 = real_mode (pa) |
| 116 | 117 | ||
| 117 | mtspr srr0, r7 |
118 | mtspr srr0, r8 |
| 118 | 119 | ||
| 119 | # jumps to real_mode |
120 | # jumps to real_mode |
| 120 | 121 | ||
| 121 | mfmsr r31 |
122 | mfmsr r31 |
| 122 | lis r30, ~0@h |
123 | lis r30, ~0@h |
| Line 133... | Line 134... | ||
| 133 | 134 | ||
| 134 | # copy kernel to proper location |
135 | # copy kernel to proper location |
| 135 | # |
136 | # |
| 136 | # r5 = trans (pa) |
137 | # r5 = trans (pa) |
| 137 | # r6 = kernel size |
138 | # r6 = kernel size |
| - | 139 | # r7 = framebuffer (pa) |
|
| 138 | 140 | ||
| 139 | li r31, PAGE_SIZE >> 2 |
141 | li r31, PAGE_SIZE >> 2 |
| 140 | li r30, 0 |
142 | li r30, 0 |
| 141 | 143 | ||
| 142 | page_copy: |
144 | page_copy: |
| Line 227... | Line 229... | ||
| 227 | # FIXME: temporal framebuffer mapping |
229 | # FIXME: temporal framebuffer mapping |
| 228 | 230 | ||
| 229 | lis r31, 0xf000 |
231 | lis r31, 0xf000 |
| 230 | ori r31, r31, 0x0ffe |
232 | ori r31, r31, 0x0ffe |
| 231 | 233 | ||
| 232 | lis r30, 0x8400 |
234 | mr r30, r7 |
| 233 | ori r30, r30, 0x0002 |
235 | ori r30, r30, 0x0002 |
| 234 | 236 | ||
| 235 | mtspr dbat1u, r31 |
237 | mtspr dbat1u, r31 |
| 236 | mtspr dbat1l, r30 |
238 | mtspr dbat1l, r30 |
| 237 | 239 | ||
| Line 248... | Line 250... | ||
| 248 | 250 | ||
| 249 | mfmsr r31 |
251 | mfmsr r31 |
| 250 | ori r31, r31, (msr_ir | msr_dr)@l |
252 | ori r31, r31, (msr_ir | msr_dr)@l |
| 251 | mtspr srr1, r31 |
253 | mtspr srr1, r31 |
| 252 | 254 | ||
| - | 255 | sync |
|
| - | 256 | isync |
|
| 253 | rfi |
257 | rfi |
| 254 | 258 | ||
| 255 | .align PAGE_WIDTH |
259 | .align PAGE_WIDTH |
| 256 | .global trans |
260 | .global trans |
| 257 | trans: |
261 | trans: |