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Rev 1716 Rev 1726
Line 119... Line 119...
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.org 0x100
 119 
.org 0x100
120 
.global exc_system_reset
 120 
.global exc_system_reset
121 
exc_system_reset:
 121 
exc_system_reset:
122 
	CONTEXT_STORE
 122 
	CONTEXT_STORE
123
123
124 
	lis r12, exc_dispatch@ha
 - 
 
125 
	addi r12, r12, exc_dispatch@l
 - 
 
126 
	mtsrr0 r12
 - 
 
127
- 
 
128 
	li r3, 0
 124 
	li r3, 0
129 
	b jump_to_kernel
 125 
	b jump_to_kernel
130 
 
 126 
 
131 
.org 0x200
 127 
.org 0x200
132 
.global exc_machine_check
 128 
.global exc_machine_check
133 
exc_machine_check:
 129 
exc_machine_check:
134 
	CONTEXT_STORE
 130 
	CONTEXT_STORE
135
131
136 
	lis r12, exc_dispatch@ha
 - 
 
137 
	addi r12, r12, exc_dispatch@l
 - 
 
138 
	mtsrr0 r12
 - 
 
139
- 
 
140 
	li r3, 1
 132 
	li r3, 1
141 
	b jump_to_kernel
 133 
	b jump_to_kernel
142 
 
 134 
 
143 
.org 0x300
 135 
.org 0x300
144 
.global exc_data_storage
 136 
.global exc_data_storage
145 
exc_data_storage:
 137 
exc_data_storage:
146 
	CONTEXT_STORE
 138 
	CONTEXT_STORE
147
139
- 
 
 140 
#	li r3, 2
148 
	lis r12, exc_dispatch@ha
 141 
#	mr r4, sp
149 
	addi r12, r12, exc_dispatch@l
 142 
#	addi r4, r4, 8
- 
 
 143 
#	bl pht_real_refill
- 
 
 144
150 
	mtsrr0 r12
 145 
#	cmpwi r3, 0
- 
 
 146 
#	bne iret_real
151
147
152 
	li r3, 2
 148 
	li r3, 2
153 
	b jump_to_kernel
 149 
	b jump_to_kernel
154 
 
 150 
 
155 
.org 0x400
 151 
.org 0x400
156 
.global exc_instruction_storage
 152 
.global exc_instruction_storage
157 
exc_instruction_storage:
 153 
exc_instruction_storage:
158 
	CONTEXT_STORE
 154 
	CONTEXT_STORE
159
155
- 
 
 156 
#	li r3, 3
160 
	lis r12, exc_dispatch@ha
 157 
#	mr r4, sp
161 
	addi r12, r12, exc_dispatch@l
 158 
#	addi r4, r4, 8
- 
 
 159 
#	bl pht_real_refill
- 
 
 160
162 
	mtsrr0 r12
 161 
#	cmpwi r3, 0
- 
 
 162 
#	bne iret_real
163
163 
 
164 
	li r3, 3
 164 
	li r3, 3
165 
	b jump_to_kernel
 165 
	b jump_to_kernel
166 
 
 166 
 
167 
.org 0x500
 167 
.org 0x500
168 
.global exc_external
 168 
.global exc_external
169 
exc_external:
 169 
exc_external:
170 
	CONTEXT_STORE
 170 
	CONTEXT_STORE
171
171
172 
	lis r12, exc_dispatch@ha
 - 
 
173 
	addi r12, r12, exc_dispatch@l
 - 
 
174 
	mtsrr0 r12
 - 
 
175
- 
 
176 
	li r3, 4
 172 
	li r3, 4
177 
	b jump_to_kernel
 173 
	b jump_to_kernel
178 
 
 174 
 
179 
.org 0x600
 175 
.org 0x600
180 
.global exc_alignment
 176 
.global exc_alignment
181 
exc_alignment:
 177 
exc_alignment:
182 
	CONTEXT_STORE
 178 
	CONTEXT_STORE
183
179
184 
	lis r12, exc_dispatch@ha
 - 
 
185 
	addi r12, r12, exc_dispatch@l
 - 
 
186 
	mtsrr0 r12
 - 
 
187
- 
 
188 
	li r3, 5
 180 
	li r3, 5
189 
	b jump_to_kernel
 181 
	b jump_to_kernel
190 
 
 182 
 
191 
.org 0x700
 183 
.org 0x700
192 
.global exc_program
 184 
.global exc_program
193 
exc_program:
 185 
exc_program:
194 
	CONTEXT_STORE
 186 
	CONTEXT_STORE
195
187
196 
	lis r12, exc_dispatch@ha
 - 
 
197 
	addi r12, r12, exc_dispatch@l
 - 
 
198 
	mtsrr0 r12
 - 
 
199
- 
 
200 
	li r3, 6
 188 
	li r3, 6
201 
	b jump_to_kernel
 189 
	b jump_to_kernel
202 
 
 190 
 
203 
.org 0x800
 191 
.org 0x800
204 
.global exc_fp_unavailable
 192 
.global exc_fp_unavailable
205 
exc_fp_unavailable:
 193 
exc_fp_unavailable:
206 
	CONTEXT_STORE
 194 
	CONTEXT_STORE
207
195
208 
	lis r12, exc_dispatch@ha
 - 
 
209 
	addi r12, r12, exc_dispatch@l
 - 
 
210 
	mtsrr0 r12
 - 
 
211
- 
 
212 
	li r3, 7
 196 
	li r3, 7
213 
	b jump_to_kernel
 197 
	b jump_to_kernel
214 
 
 198 
 
215 
.org 0x900
 199 
.org 0x900
216 
.global exc_decrementer
 200 
.global exc_decrementer
217 
exc_decrementer:
 201 
exc_decrementer:
218 
	CONTEXT_STORE
 202 
	CONTEXT_STORE
219 
 
 203
220 
	lis r12, exc_dispatch@ha
 - 
 
221 
	addi r12, r12, exc_dispatch@l
 - 
 
222 
	mtsrr0 r12
 - 
 
223
- 
 
224 
	li r3, 8
 204 
	li r3, 8
225 
	b jump_to_kernel
 205 
	b jump_to_kernel
226 
 
 206 
 
227 
.org 0xa00
 207 
.org 0xa00
228 
.global exc_reserved0
 208 
.global exc_reserved0
229 
exc_reserved0:
 209 
exc_reserved0:
230 
	CONTEXT_STORE
 210 
	CONTEXT_STORE
231
211
232 
	lis r12, exc_dispatch@ha
 - 
 
233 
	addi r12, r12, exc_dispatch@l
 - 
 
234 
	mtsrr0 r12
 - 
 
235
- 
 
236 
	li r3, 9
 212 
	li r3, 9
237 
	b jump_to_kernel
 213 
	b jump_to_kernel
238 
 
 214 
 
239 
.org 0xb00
 215 
.org 0xb00
240 
.global exc_reserved1
 216 
.global exc_reserved1
241 
exc_reserved1:
 217 
exc_reserved1:
242 
	CONTEXT_STORE
 218 
	CONTEXT_STORE
243
219
244 
	lis r12, exc_dispatch@ha
 - 
 
245 
	addi r12, r12, exc_dispatch@l
 - 
 
246 
	mtsrr0 r12
 - 
 
247
- 
 
248 
	li r3, 10
 220 
	li r3, 10
249 
	b jump_to_kernel
 221 
	b jump_to_kernel
250 
 
 222 
 
251 
.org 0xc00
 223 
.org 0xc00
252 
.global exc_syscall
 224 
.global exc_syscall
Line 258... Line 230...
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.org 0xd00
 230 
.org 0xd00
259 
.global exc_trace
 231 
.global exc_trace
260 
exc_trace:
 232 
exc_trace:
261 
	CONTEXT_STORE
 233 
	CONTEXT_STORE
262
234
263 
	lis r12, exc_dispatch@ha
 - 
 
264 
	addi r12, r12, exc_dispatch@l
 - 
 
265 
	mtsrr0 r12
 - 
 
266
- 
 
267 
	li r3, 12
 235 
	li r3, 12
268 
	b jump_to_kernel
 236 
	b jump_to_kernel
269 
 
 237 
 
270 
.org 0x4000
 238 
.org 0x4000
271 
jump_to_kernel:
 239 
jump_to_kernel:
272 
	lis r12, iret@ha
 240 
	lis r12, iret@ha
273 
	addi r12, r12, iret@l
 241 
	addi r12, r12, iret@l
274 
	mtlr r12
 242 
	mtlr r12
275 
 
 243
- 
 
 244 
	lis r12, exc_dispatch@ha
- 
 
 245 
	addi r12, r12, exc_dispatch@l
- 
 
 246 
	mtsrr0 r12
- 
 
 247
276 
	mfmsr r12
 248 
	mfmsr r12
277 
	ori r12, r12, (msr_ir | msr_dr)@l
 249 
	ori r12, r12, (msr_ir | msr_dr)@l
278 
	mtsrr1 r12
 250 
	mtsrr1 r12
279
251
280 
	addis sp, sp, 0x8000
 252 
	addis sp, sp, 0x8000
Line 296... Line 268...
296 
	ori r12, r12, (msr_ir | msr_dr)@l
 268 
	ori r12, r12, (msr_ir | msr_dr)@l
297 
	mtsrr1 r12
 269 
	mtsrr1 r12
298
270
299 
	addis sp, sp, 0x8000
 271 
	addis sp, sp, 0x8000
300 
	rfi
 272 
	rfi
- 
 
 273 
 
- 
 
 274 
iret_real:
- 
 
 275
- 
 
 276 
	lwz r0, 8(sp)
- 
 
 277 
	lwz r2, 12(sp)
- 
 
 278 
	lwz r3, 16(sp)
- 
 
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	lwz r4, 20(sp)
- 
 
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	lwz r5, 24(sp)
- 
 
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	lwz r6, 28(sp)
- 
 
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	lwz r7, 32(sp)
- 
 
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	lwz r8, 36(sp)
- 
 
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	lwz r9, 40(sp)
- 
 
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	lwz r10, 44(sp)
- 
 
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	lwz r11, 48(sp)
- 
 
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	lwz r13, 52(sp)
- 
 
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	lwz r14, 56(sp)
- 
 
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	lwz r15, 60(sp)
- 
 
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	lwz r16, 64(sp)
- 
 
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	lwz r17, 68(sp)
- 
 
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	lwz r18, 72(sp)
- 
 
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	lwz r19, 76(sp)
- 
 
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	lwz r20, 80(sp)
- 
 
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	lwz r21, 84(sp)
- 
 
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	lwz r22, 88(sp)
- 
 
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	lwz r23, 92(sp)
- 
 
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	lwz r24, 96(sp)
- 
 
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	lwz r25, 100(sp)
- 
 
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	lwz r26, 104(sp)
- 
 
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	lwz r27, 108(sp)
- 
 
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	lwz r28, 112(sp)
- 
 
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	lwz r29, 116(sp)
- 
 
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	lwz r30, 120(sp)
- 
 
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	lwz r31, 124(sp)
- 
 
 306
- 
 
 307 
	lwz r12, 128(sp)
- 
 
 308 
	mtcr r12
- 
 
 309
- 
 
 310 
	lwz r12, 132(sp)
- 
 
 311 
	mtsrr0 r12
- 
 
 312
- 
 
 313 
	lwz r12, 136(sp)
- 
 
 314 
	mtsrr1 r12
- 
 
 315
- 
 
 316 
	lwz r12, 140(sp)
- 
 
 317 
	mtlr r12
- 
 
 318
- 
 
 319 
	lwz r12, 144(sp)
- 
 
 320 
	mtctr r12
- 
 
 321
- 
 
 322 
	lwz r12, 148(sp)
- 
 
 323 
	mtxer r12
- 
 
 324
- 
 
 325 
	lwz r12, 152(sp)
- 
 
 326 
	lwz sp, 156(sp)
- 
 
 327
- 
 
 328 
	rfi