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Rev 593 Rev 702
Line 132... Line 132...
132 
.size reset, .-reset
 132 
.size reset, .-reset
133 
.size hang, .-hang
 133 
.size hang, .-hang
134 
 
 134 
 
135 
.type reset_handler, %function
 135 
.type reset_handler, %function
136 
reset_handler:
 136 
reset_handler:
- 
 
 137 
	stmfd	sp, {r10-r12}
- 
 
 138 
	mov	r10, sp
- 
 
 139 
	mov	r11, lr
- 
 
 140 
	mrs	r12, cpsr
- 
 
 141 
	msr	cpsr_c, #0xd7
- 
 
 142 
	sub	sp, sp, #0x44
- 
 
 143 
	stmia	sp!, {r0-r9}
- 
 
 144 
	sub	r0, r10, #0xc
- 
 
 145 
	ldmia	r0, {r0-r2}
- 
 
 146 
	mov	r3, r10
- 
 
 147 
	mov	r4, r11
- 
 
 148 
	mov	r5, r11
- 
 
 149 
	mov	r6, r12
- 
 
 150 
	stmia	sp!, {r0-r6}
- 
 
 151 
	sub	sp, sp, #0x44
137 
	mov	r0, #0
 152 
	mov	r0, #0
138 
	adr	r1, reset_text
 153 
	adr	r1, reset_text
- 
 
 154 
	mov	r2, r11
139 
	b	panic
 155 
	b	panic
140 
reset_text:
 - 
 
141 
	.ascii	"Hit reset vector!\0"
 - 
 
142 
.size reset_handler, .-reset_handler
 156 
.size reset_handler, .-reset_handler
143 
 
 157 
 
144 
.type undef_instr_handler, %function
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.type undef_instr_handler, %function
145 
undef_instr_handler:
 159 
undef_instr_handler:
- 
 
 160 
	sub	sp, sp, #0x44
- 
 
 161 
	stmia	sp!, {r0-r12}
- 
 
 162 
	sub	r2, lr, #4
- 
 
 163 
	mrs	r3, spsr
- 
 
 164 
	mrs	r4, cpsr
- 
 
 165 
	orr	r0, r3, #0xc0
- 
 
 166 
	msr	cpsr_c, r0
- 
 
 167 
	mov	r0, sp
- 
 
 168 
	mov	r1, lr
- 
 
 169 
	msr	cpsr_c, r4
- 
 
 170 
	stmia	sp!, {r0-r3}
- 
 
 171 
	sub	sp, sp, #0x44
146 
	mov	r0, #0
 172 
	mov	r0, #0
147 
	adr	r1, undef_instr_text
 173 
	adr	r1, undef_instr_text
148 
	sub	r2, lr, #4
 174 
	ldr	r3, [r2]
149 
	b	panicf
 175 
	b	panicf
150 
.size undef_instr_handler, .-undef_instr_handler
 176 
.size undef_instr_handler, .-undef_instr_handler
151 
 
 177 
 
152 
.type prefetch_abort_handler, %function
 178 
.type prefetch_abort_handler, %function
153 
prefetch_abort_handler:
 179 
prefetch_abort_handler:
- 
 
 180 
	sub	sp, sp, #0x44
- 
 
 181 
	stmia	sp!, {r0-r12}
- 
 
 182 
	sub	r2, lr, #4
- 
 
 183 
	mrs	r3, spsr
- 
 
 184 
	mrs	r4, cpsr
- 
 
 185 
	orr	r0, r3, #0xc0
- 
 
 186 
	msr	cpsr_c, r0
- 
 
 187 
	mov	r0, sp
- 
 
 188 
	mov	r1, lr
- 
 
 189 
	msr	cpsr_c, r4
- 
 
 190 
	stmia	sp!, {r0-r3}
- 
 
 191 
	sub	sp, sp, #0x44
154 
	mov	r0, #0
 192 
	mov	r0, #0
155 
	adr	r1, prefetch_abort_text
 193 
	adr	r1, prefetch_abort_text
- 
 
 194 
	mrc	p15, 0, r3,c5,c0,1
- 
 
 195 
	mov	r4, r3,lsr#4
- 
 
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	and	r4, r4, #0xf
156 
	sub	r2, lr, #4
 197 
	and	r5, r3, #0xf
- 
 
 198 
	stmfd	sp!, {r4-r5}
157 
	b	panicf
 199 
	b	panicf
158 
.size prefetch_abort_handler, .-prefetch_abort_handler
 200 
.size prefetch_abort_handler, .-prefetch_abort_handler
159 
 
 201 
 
160 
.type data_abort_handler, %function
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.type data_abort_handler, %function
161 
data_abort_handler:
 203 
data_abort_handler:
- 
 
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	sub	sp, sp, #0x44
- 
 
 205 
	stmia	sp!, {r0-r12}
- 
 
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	sub	r2, lr, #8
- 
 
 207 
	mrs	r3, spsr
- 
 
 208 
	mrs	r4, cpsr
- 
 
 209 
	orr	r0, r3, #0xc0
- 
 
 210 
	msr	cpsr_c, r0
- 
 
 211 
	mov	r0, sp
- 
 
 212 
	mov	r1, lr
- 
 
 213 
	msr	cpsr_c, r4
- 
 
 214 
	stmia	sp!, {r0-r3}
- 
 
 215 
	sub	sp, sp, #0x44
162 
	mov	r0, #0
 216 
	mov	r0, #0
163 
	adr	r1, data_abort_text
 217 
	adr	r1, data_abort_text
- 
 
 218 
	mrc	p15, 0, r3,c5,c0
- 
 
 219 
	mov	r4, r3,lsr#4
- 
 
 220 
	and	r4, r4, #0xf
164 
	sub	r2, lr, #4
 221 
	and	r5, r3, #0xf
- 
 
 222 
	mrc	p15, 0, r6,c6,c0
- 
 
 223 
	stmfd	sp!, {r4-r6}
165 
	b	panicf
 224 
	b	panicf
166 
.size data_abort_handler, .-data_abort_handler
 225 
.size data_abort_handler, .-data_abort_handler
167 
 
 226 
 
168 
.type reserved_handler, %function
 227 
.type reserved_handler, %function
169 
reserved_handler:
 228 
reserved_handler:
- 
 
 229 
	stmfd	sp, {r10-r12}
- 
 
 230 
	mov	r10, sp
- 
 
 231 
	mov	r11, lr
- 
 
 232 
	mrs	r12, cpsr
- 
 
 233 
	msr	cpsr_c, #0xd7
- 
 
 234 
	sub	sp, sp, #0x44
- 
 
 235 
	stmia	sp!, {r0-r9}
- 
 
 236 
	sub	r0, r10, #0xc
- 
 
 237 
	ldmia	r0, {r0-r2}
- 
 
 238 
	mov	r3, r10
- 
 
 239 
	mov	r4, r11
- 
 
 240 
	mov	r5, r11
- 
 
 241 
	mov	r6, r12
- 
 
 242 
	stmia	sp!, {r0-r6}
- 
 
 243 
	sub	sp, sp, #0x44
170 
	mov	r0, #0
 244 
	mov	r0, #0
171 
	adr	r1, reserved_text
 245 
	adr	r1, reserved_text
- 
 
 246 
	mov	r2, r11
172 
	b	panic
 247 
	b	panic
173 
.size reserved_handler, .-reserved_handler
 248 
.size reserved_handler, .-reserved_handler
174 
 
 249 
 
175 
.type fiq_handler, %function
 250 
.type fiq_handler, %function
176 
fiq_handler:
 251 
fiq_handler:
177 
	mov	r0, #2
 252 
	mov	r0, #2
178 
	adr	r1, fiq_text
 253 
	adr	r1, fiq_text
179 
	b	panic
 254 
	b	panic
180 
.size fiq_handler, .-fiq_handler
 255 
.size fiq_handler, .-fiq_handler
181 
 
 256 
 
182 
undef_instr_text:
 - 
 
183 
	.ascii	"Undefined instruction at %08X!\0"
 - 
 
184 
 
 - 
 
185 
prefetch_abort_text:
 257 
prefetch_abort_text:
186 
	.ascii	"Prefetch abort at %08X!\0"
 258 
	.ascii	"Prefetch abort at %08X!\nFSR: %08X (domain %d, fault %d)\0"
187 
 
 259 
 
188 
data_abort_text:
 260 
reset_text:
189 
	.ascii	"Data abort at %08X!\0"
 261 
	.ascii	"Hit reset vector!\n(Last known PC: %08X)\0"
190 
 
 262 
 
191 
reserved_text:
 263 
undef_instr_text:
192 
	.ascii	"Hit reserved exception handler!\0"
 264 
	.ascii	"Undefined instruction at %08X!\n(Opcode: %08X)\0"
- 
 
 265 
 
- 
 
 266 
data_abort_text:
- 
 
 267 
	.ascii	"Data abort at %08X!\nFSR: %08X (domain %d, fault %d)\nAddress: %08X\0"
193 
 
 268 
 
194 
fiq_text:
 269 
fiq_text:
195 
	.ascii	"Unhandled FIQ!\0"
 270 
	.ascii	"Unhandled FIQ!\0"
196 
 
 271 
 
- 
 
 272 
reserved_text:
- 
 
 273 
	.ascii	"Hit reserved exception handler!\n(Last known PC: %08X)\0"
- 
 
 274 
 
197 
syscall_text:
 275 
syscall_text:
198 
	.ascii	"Unhandled syscall!\0"
 276 
	.ascii	"Unhandled syscall!\0"
199 
 
 277 
 
200 
 
 278 
 
201 
.section .icode.usec_timer, "ax", %progbits
 279 
.section .icode.usec_timer, "ax", %progbits