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Rev 593 Rev 702
Line 142... Line 142...
142 
.size reset, .-reset
 142 
.size reset, .-reset
143 
.size hang, .-hang
 143 
.size hang, .-hang
144 
 
 144 
 
145 
.type reset_handler, %function
 145 
.type reset_handler, %function
146 
reset_handler:
 146 
reset_handler:
- 
 
 147 
	stmfd	sp, {r10-r12}
- 
 
 148 
	mov	r10, sp
- 
 
 149 
	mov	r11, lr
- 
 
 150 
	mrs	r12, cpsr
- 
 
 151 
	msr	cpsr_c, #0xd7
- 
 
 152 
	sub	sp, sp, #0x44
- 
 
 153 
	stmia	sp!, {r0-r9}
- 
 
 154 
	sub	r0, r10, #0xc
- 
 
 155 
	ldmia	r0, {r0-r2}
- 
 
 156 
	mov	r3, r10
- 
 
 157 
	mov	r4, r11
- 
 
 158 
	mov	r5, r11
- 
 
 159 
	mov	r6, r12
- 
 
 160 
	stmia	sp!, {r0-r6}
- 
 
 161 
	sub	sp, sp, #0x44
147 
	mov	r0, #0
 162 
	mov	r0, #0
148 
	adr	r1, reset_text
 163 
	adr	r1, reset_text
- 
 
 164 
	mov	r2, r11
149 
	b	panic
 165 
	b	panic
150 
reset_text:
 - 
 
151 
	.ascii	"Hit reset vector!\0"
 - 
 
152 
.size reset_handler, .-reset_handler
 166 
.size reset_handler, .-reset_handler
153 
 
 167 
 
154 
.type undef_instr_handler, %function
 168 
.type undef_instr_handler, %function
155 
undef_instr_handler:
 169 
undef_instr_handler:
- 
 
 170 
	sub	sp, sp, #0x44
- 
 
 171 
	stmia	sp!, {r0-r12}
- 
 
 172 
	sub	r2, lr, #4
- 
 
 173 
	mrs	r3, spsr
- 
 
 174 
	mrs	r4, cpsr
- 
 
 175 
	orr	r0, r3, #0xc0
- 
 
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	msr	cpsr_c, r0
- 
 
 177 
	mov	r0, sp
- 
 
 178 
	mov	r1, lr
- 
 
 179 
	msr	cpsr_c, r4
- 
 
 180 
	stmia	sp!, {r0-r3}
- 
 
 181 
	sub	sp, sp, #0x44
156 
	mov	r0, #0
 182 
	mov	r0, #0
157 
	adr	r1, undef_instr_text
 183 
	adr	r1, undef_instr_text
158 
	sub	r2, lr, #4
 184 
	ldr	r3, [r2]
159 
	b	panicf
 185 
	b	panicf
160 
.size undef_instr_handler, .-undef_instr_handler
 186 
.size undef_instr_handler, .-undef_instr_handler
161 
 
 187 
 
162 
.type prefetch_abort_handler, %function
 188 
.type prefetch_abort_handler, %function
163 
prefetch_abort_handler:
 189 
prefetch_abort_handler:
- 
 
 190 
	sub	sp, sp, #0x44
- 
 
 191 
	stmia	sp!, {r0-r12}
- 
 
 192 
	sub	r2, lr, #4
- 
 
 193 
	mrs	r3, spsr
- 
 
 194 
	mrs	r4, cpsr
- 
 
 195 
	orr	r0, r3, #0xc0
- 
 
 196 
	msr	cpsr_c, r0
- 
 
 197 
	mov	r0, sp
- 
 
 198 
	mov	r1, lr
- 
 
 199 
	msr	cpsr_c, r4
- 
 
 200 
	stmia	sp!, {r0-r3}
- 
 
 201 
	sub	sp, sp, #0x44
164 
	mov	r0, #0
 202 
	mov	r0, #0
165 
	adr	r1, prefetch_abort_text
 203 
	adr	r1, prefetch_abort_text
- 
 
 204 
	mrc	p15, 0, r3,c5,c0
- 
 
 205 
	mov	r4, r3,lsr#4
- 
 
 206 
	and	r4, r4, #0xf
166 
	sub	r2, lr, #4
 207 
	and	r5, r3, #0xf
- 
 
 208 
	stmfd	sp!, {r4-r5}
167 
	b	panicf
 209 
	b	panicf
168 
.size prefetch_abort_handler, .-prefetch_abort_handler
 210 
.size prefetch_abort_handler, .-prefetch_abort_handler
169 
 
 211 
 
170 
.type data_abort_handler, %function
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.type data_abort_handler, %function
171 
data_abort_handler:
 213 
data_abort_handler:
- 
 
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	sub	sp, sp, #0x44
- 
 
 215 
	stmia	sp!, {r0-r12}
- 
 
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	sub	r2, lr, #8
- 
 
 217 
	mrs	r3, spsr
- 
 
 218 
	mrs	r4, cpsr
- 
 
 219 
	orr	r0, r3, #0xc0
- 
 
 220 
	msr	cpsr_c, r0
- 
 
 221 
	mov	r0, sp
- 
 
 222 
	mov	r1, lr
- 
 
 223 
	msr	cpsr_c, r4
- 
 
 224 
	stmia	sp!, {r0-r3}
- 
 
 225 
	sub	sp, sp, #0x44
172 
	mov	r0, #0
 226 
	mov	r0, #0
173 
	adr	r1, data_abort_text
 227 
	adr	r1, data_abort_text
- 
 
 228 
	mrc	p15, 0, r3,c5,c0
- 
 
 229 
	mov	r4, r3,lsr#4
- 
 
 230 
	and	r4, r4, #0xf
174 
	sub	r2, lr, #4
 231 
	and	r5, r3, #0xf
- 
 
 232 
	mrc	p15, 0, r6,c6,c0
- 
 
 233 
	stmfd	sp!, {r4-r6}
175 
	b	panicf
 234 
	b	panicf
176 
.size data_abort_handler, .-data_abort_handler
 235 
.size data_abort_handler, .-data_abort_handler
177 
 
 236 
 
178 
.type reserved_handler, %function
 237 
.type reserved_handler, %function
179 
reserved_handler:
 238 
reserved_handler:
- 
 
 239 
	stmfd	sp, {r10-r12}
- 
 
 240 
	mov	r10, sp
- 
 
 241 
	mov	r11, lr
- 
 
 242 
	mrs	r12, cpsr
- 
 
 243 
	msr	cpsr_c, #0xd7
- 
 
 244 
	sub	sp, sp, #0x44
- 
 
 245 
	stmia	sp!, {r0-r9}
- 
 
 246 
	sub	r0, r10, #0xc
- 
 
 247 
	ldmia	r0, {r0-r2}
- 
 
 248 
	mov	r3, r10
- 
 
 249 
	mov	r4, r11
- 
 
 250 
	mov	r5, r11
- 
 
 251 
	mov	r6, r12
- 
 
 252 
	stmia	sp!, {r0-r6}
- 
 
 253 
	sub	sp, sp, #0x44
180 
	mov	r0, #0
 254 
	mov	r0, #0
181 
	adr	r1, reserved_text
 255 
	adr	r1, reserved_text
- 
 
 256 
	mov	r2, r11
182 
	b	panic
 257 
	b	panic
183 
.size reserved_handler, .-reserved_handler
 258 
.size reserved_handler, .-reserved_handler
184 
 
 259 
 
185 
.type fiq_handler, %function
 260 
.type fiq_handler, %function
186 
fiq_handler:
 261 
fiq_handler:
187 
	mov	r0, #2
 262 
	mov	r0, #2
188 
	adr	r1, fiq_text
 263 
	adr	r1, fiq_text
189 
	b	panic
 264 
	b	panic
190 
.size fiq_handler, .-fiq_handler
 265 
.size fiq_handler, .-fiq_handler
191 
 
 266 
 
192 
undef_instr_text:
 - 
 
193 
	.ascii	"Undefined instruction at %08X!\0"
 - 
 
194 
 
 - 
 
195 
prefetch_abort_text:
 267 
prefetch_abort_text:
196 
	.ascii	"Prefetch abort at %08X!\0"
 268 
	.ascii	"Prefetch abort at %08X!\nFSR: %08X (domain %d, fault %d)\0"
197 
 
 269 
 
198 
data_abort_text:
 270 
reset_text:
199 
	.ascii	"Data abort at %08X!\0"
 271 
	.ascii	"Hit reset vector!\n(Last known PC: %08X)\0"
200 
 
 272 
 
201 
reserved_text:
 273 
undef_instr_text:
202 
	.ascii	"Hit reserved exception handler!\0"
 274 
	.ascii	"Undefined instruction at %08X!\n(Opcode: %08X)\0"
- 
 
 275 
 
- 
 
 276 
data_abort_text:
- 
 
 277 
	.ascii	"Data abort at %08X!\nFSR: %08X (domain %d, fault %d)\nAddress: %08X\0"
203 
 
 278 
 
204 
fiq_text:
 279 
fiq_text:
205 
	.ascii	"Unhandled FIQ!\0"
 280 
	.ascii	"Unhandled FIQ!\0"
206 
 
 281 
 
- 
 
 282 
reserved_text:
- 
 
 283 
	.ascii	"Hit reserved exception handler!\n(Last known PC: %08X)\0"
- 
 
 284 
 
207 
syscall_text:
 285 
syscall_text:
208 
	.ascii	"Unhandled syscall!\0"
 286 
	.ascii	"Unhandled syscall!\0"
209 
 
 287 
 
210 
 
 288 
 
211 
.section .icode.usec_timer, "ax", %progbits
 289 
.section .icode.usec_timer, "ax", %progbits