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Rev 2787 Rev 4377
Line 58... Line 58...
58 
		mfsprg2 sp
 58 
		mfsprg2 sp
59 
		subis sp, sp, 0x8000
 59 
		subis sp, sp, 0x8000
60
60
61 
	2:
 61 
	2:
62
62
63 
	subi sp, sp, 160
 63 
	subi sp, sp, 164
64 
	stw r0, 8(sp)
 64 
	stw r0, 8(sp)
65 
	stw r2, 12(sp)
 65 
	stw r2, 12(sp)
66 
	stw r3, 16(sp)
 66 
	stw r3, 16(sp)
67 
	stw r4, 20(sp)
 67 
	stw r4, 20(sp)
68 
	stw r5, 24(sp)
 68 
	stw r5, 24(sp)
Line 107... Line 107...
107 
	stw r12, 144(sp)
 107 
	stw r12, 144(sp)
108
108
109 
	mfxer r12
 109 
	mfxer r12
110 
	stw r12, 148(sp)
 110 
	stw r12, 148(sp)
111
111
112 
	mfsprg1 r12
 112 
	mfdar r12
113 
	stw r12, 152(sp)
 113 
	stw r12, 152(sp)
114
114
115 
	mfsprg2 r12
 115 
	mfsprg1 r12
116 
	stw r12, 156(sp)
 116 
	stw r12, 156(sp)
- 
 
 117
- 
 
 118 
	mfsprg2 r12
- 
 
 119 
	stw r12, 160(sp)
117 
.endm
 120 
.endm
118 
 
 121 
 
119 
.org 0x100
 122 
.org 0x100
120 
.global exc_system_reset
 123 
.global exc_system_reset
121 
exc_system_reset:
 124 
exc_system_reset:
Line 135... Line 138...
135 
.org 0x300
 138 
.org 0x300
136 
.global exc_data_storage
 139 
.global exc_data_storage
137 
exc_data_storage:
 140 
exc_data_storage:
138 
	CONTEXT_STORE
 141 
	CONTEXT_STORE
139
142
140 
	li r3, 2
 - 
 
141 
	mr r4, sp
 - 
 
142 
	addi r4, r4, 8
 - 
 
143 
	bl pht_real_refill
 - 
 
144
- 
 
145 
	cmpwi r3, 0
 - 
 
146 
	bne iret_real
 - 
 
147
- 
 
148 
	li r3, 2
 - 
 
149 
	b jump_to_kernel
 143 
	b data_storage
150 
 
 144 
 
151 
.org 0x400
 145 
.org 0x400
152 
.global exc_instruction_storage
 146 
.global exc_instruction_storage
153 
exc_instruction_storage:
 147 
exc_instruction_storage:
154 
	CONTEXT_STORE
 148 
	CONTEXT_STORE
155
149
156 
	li r3, 3
 - 
 
157 
	mr r4, sp
 - 
 
158 
	addi r4, r4, 8
 - 
 
159 
	bl pht_real_refill
 - 
 
160
- 
 
161 
	cmpwi r3, 0
 - 
 
162 
	bne iret_real
 - 
 
163 
 
 - 
 
164 
	li r3, 3
 - 
 
165 
	b jump_to_kernel
 150 
	b instruction_storage
166 
 
 151 
 
167 
.org 0x500
 152 
.org 0x500
168 
.global exc_external
 153 
.global exc_external
169 
exc_external:
 154 
exc_external:
170 
	CONTEXT_STORE
 155 
	CONTEXT_STORE
Line 221... Line 206...
221 
	b jump_to_kernel
 206 
	b jump_to_kernel
222 
 
 207 
 
223 
.org 0xc00
 208 
.org 0xc00
224 
.global exc_syscall
 209 
.global exc_syscall
225 
exc_syscall:
 210 
exc_syscall:
226 
	CONTEXT_STORE
211 
	CONTEXT_STORE
227
212
228 
	b jump_to_kernel_syscall
 213 
	b jump_to_kernel_syscall
229 
 
 214 
 
230 
.org 0xd00
 215 
.org 0xd00
231 
.global exc_trace
 216 
.global exc_trace
Line 233... Line 218...
233 
	CONTEXT_STORE
 218 
	CONTEXT_STORE
234
219
235 
	li r3, 12
 220 
	li r3, 12
236 
	b jump_to_kernel
 221 
	b jump_to_kernel
237 
 
 222 
 
- 
 
 223 
.org 0x1000
- 
 
 224 
.global exc_itlb_miss
- 
 
 225 
exc_itlb_miss:
- 
 
 226 
	CONTEXT_STORE
- 
 
 227
- 
 
 228 
	b tlb_miss
- 
 
 229 
 
- 
 
 230 
.org 0x1100
- 
 
 231 
.global exc_dtlb_miss_load
- 
 
 232 
exc_dtlb_miss_load:
- 
 
 233 
	CONTEXT_STORE
- 
 
 234
- 
 
 235 
	b tlb_miss
- 
 
 236 
 
- 
 
 237 
.org 0x1200
- 
 
 238 
.global exc_dtlb_miss_store
- 
 
 239 
exc_dtlb_miss_store:
- 
 
 240 
	CONTEXT_STORE
- 
 
 241
- 
 
 242 
	b tlb_miss
- 
 
 243 
 
238 
.org 0x4000
 244 
.org 0x4000
- 
 
 245 
data_storage:
- 
 
 246 
	li r3, 2
- 
 
 247 
	mr r4, sp
- 
 
 248 
	addi r4, r4, 8
- 
 
 249 
	bl pht_refill_real
- 
 
 250
- 
 
 251 
	cmpwi r3, 0
- 
 
 252 
	bne iret_real
- 
 
 253
- 
 
 254 
	li r3, 2
- 
 
 255 
	b jump_to_kernel
- 
 
 256 
 
- 
 
 257 
instruction_storage:
- 
 
 258 
	li r3, 3
- 
 
 259 
	mr r4, sp
- 
 
 260 
	addi r4, r4, 8
- 
 
 261 
	bl pht_refill_real
- 
 
 262
- 
 
 263 
	cmpwi r3, 0
- 
 
 264 
	bne iret_real
- 
 
 265
- 
 
 266 
	li r3, 3
- 
 
 267 
	b jump_to_kernel
- 
 
 268 
 
- 
 
 269 
tlb_miss:
- 
 
 270 
	li r3, 16
- 
 
 271 
	mfspr r4, tlbmiss
- 
 
 272 
	mfspr r5, ptehi
- 
 
 273 
	mfspr r6, ptelo
- 
 
 274 
	mr r7, sp
- 
 
 275 
	addi r7, r7, 20
- 
 
 276
- 
 
 277 
	bl tlb_refill_real
- 
 
 278 
	b iret_real
- 
 
 279 
 
239 
jump_to_kernel:
 280 
jump_to_kernel:
240 
	lis r12, iret@ha
 281 
	lis r12, iret@ha
241 
	addi r12, r12, iret@l
 282 
	addi r12, r12, iret@l
242 
	mtlr r12
 283 
	mtlr r12
243
284
Line 270... Line 311...
270
311
271 
	addis sp, sp, 0x8000
 312 
	addis sp, sp, 0x8000
272 
	rfi
 313 
	rfi
273 
 
 314 
 
274 
iret_real:
 315 
iret_real:
275
- 
 
276 
	lwz r0, 8(sp)
 316 
	lwz r0, 8(sp)
277 
	lwz r2, 12(sp)
 317 
	lwz r2, 12(sp)
278 
	lwz r3, 16(sp)
 318 
	lwz r3, 16(sp)
279 
	lwz r4, 20(sp)
 319 
	lwz r4, 20(sp)
280 
	lwz r5, 24(sp)
 320 
	lwz r5, 24(sp)
Line 320... Line 360...
320 
	mtctr r12
 360 
	mtctr r12
321
361
322 
	lwz r12, 148(sp)
 362 
	lwz r12, 148(sp)
323 
	mtxer r12
 363 
	mtxer r12
324
364
325 
	lwz r12, 152(sp)
 365 
	lwz r12, 156(sp)
326 
	lwz sp, 156(sp)
 366 
	lwz sp, 160(sp)
327
367
328 
	rfi
 368 
	rfi