irq.lst

au1200下的boot代码

 349:/mnt/hgfs/boot/booter/source/irq.c **** 	else
 350:/mnt/hgfs/boot/booter/source/irq.c **** 
 351:/mnt/hgfs/boot/booter/source/irq.c **** 	/*
 352:/mnt/hgfs/boot/booter/source/irq.c **** 	 * IC1
 353:/mnt/hgfs/boot/booter/source/irq.c **** 	 */
 354:/mnt/hgfs/boot/booter/source/irq.c **** 	{
 355:/mnt/hgfs/boot/booter/source/irq.c **** 		uint32 gpio = (irq - IRQ_IC1_START);
 176              		.loc 1 355 0
 177              		.loc 1 315 0
 178 0088 29004010 		beq	$2,$0,$L13
 179 008c D8FF0226 		addiu	$2,$16,-40
 180              	
 181              	$LBB2:
 182              		.loc 1 317 0
 183              		.loc 1 319 0
 184 0090 0000000C 		jal	cp0RdStatus
 185 0094 04907300 		sll	$18,$19,$3
 186              	
 187              		.loc 1 321 0
 188 0098 0000000C 		jal	cp0WrStatus
 189 009c 000C4434 		ori	$4,$2,0xc00
 190              	
 191              		.loc 1 323 0
 192 00a0 0000033C 		lui	$3,%hi(irqPolarity)
 193 00a4 00006324 		addiu	$3,$3,%lo(irqPolarity)
 194 00a8 21180302 		addu	$3,$16,$3
 195 00ac 00007190 		lbu	$17,0($3)
 196              		.loc 1 326 0
 197              		.loc 1 324 0
 198 00b0 4C003312 		beq	$17,$19,$L42
 199 00b4 40B0023C 		li	$2,-1337982976			# 0xffffffffb0400000
 200              	
 201              		.loc 1 328 0
 202 00b8 02000224 		li	$2,2			# 0x2
 203              		.loc 1 330 0
 204              		.loc 1 328 0
 205 00bc 5E002212 		beq	$17,$2,$L43
 206 00c0 40B0023C 		li	$2,-1337982976			# 0xffffffffb0400000
GAS LISTING /tmp/ccsUu95n.s 			page 11


 207              	
 208              		.loc 1 332 0
 209 00c4 04000224 		li	$2,4			# 0x4
 210              		.loc 1 334 0
 211              		.loc 1 332 0
 212 00c8 65002212 		beq	$17,$2,$L44
 213 00cc 40B0023C 		li	$2,-1337982976			# 0xffffffffb0400000
 214              	
 215              		.loc 1 336 0
 216 00d0 08000224 		li	$2,8			# 0x8
 217              		.loc 1 341 0
 218              		.loc 1 336 0
 219 00d4 4D002212 		beq	$17,$2,$L45
 220 00d8 0000043C 		lui	$4,%hi($LC0)
 221              	
 222              		.loc 1 341 0
 223 00dc 00008424 		addiu	$4,$4,%lo($LC0)
 224 00e0 0000000C 		jal	printf
 225 00e4 21280002 		move	$5,$16
 226              	
 227              		.loc 1 344 0
 228 00e8 40B0023C 		li	$2,-1337982976			# 0xffffffffb0400000
 229              	$L35:
 230              	$LBE2:
 231              	$LBB3:
 356:/mnt/hgfs/boot/booter/source/irq.c **** 		
 357:/mnt/hgfs/boot/booter/source/irq.c **** 		bit = (1 << gpio);
 358:/mnt/hgfs/boot/booter/source/irq.c **** 
 359:/mnt/hgfs/boot/booter/source/irq.c **** 		Status = cp0RdStatus();
 360:/mnt/hgfs/boot/booter/source/irq.c **** 		Status |= (STATUS_IC1R0 | STATUS_IC1R1);
 361:/mnt/hgfs/boot/booter/source/irq.c **** 		cp0WrStatus(Status);
 362:/mnt/hgfs/boot/booter/source/irq.c **** 
 363:/mnt/hgfs/boot/booter/source/irq.c **** 		/* pin_inputen: Allow GPIOs as inputs */
 364:/mnt/hgfs/boot/booter/source/irq.c **** 		sys->pininputen = 0;
 365:/mnt/hgfs/boot/booter/source/irq.c **** 
 366:/mnt/hgfs/boot/booter/source/irq.c **** 		/* tristate_set: enable GPIO as input */
 367:/mnt/hgfs/boot/booter/source/irq.c **** 		sys->trioutclr = bit;
 368:/mnt/hgfs/boot/booter/source/irq.c **** 
 369:/mnt/hgfs/boot/booter/source/irq.c **** 		/* config[210]: */
 370:/mnt/hgfs/boot/booter/source/irq.c **** 		if (polarity == INT_HIGH_LEVEL)
 371:/mnt/hgfs/boot/booter/source/irq.c **** 		{
 372:/mnt/hgfs/boot/booter/source/irq.c **** 			HIGH_LEVEL(1,bit);
 373:/mnt/hgfs/boot/booter/source/irq.c **** 		}
 374:/mnt/hgfs/boot/booter/source/irq.c **** 		else if (polarity == INT_LOW_LEVEL)
 375:/mnt/hgfs/boot/booter/source/irq.c **** 		{
 376:/mnt/hgfs/boot/booter/source/irq.c **** 			LOW_LEVEL(1,bit);
 377:/mnt/hgfs/boot/booter/source/irq.c **** 		}
 378:/mnt/hgfs/boot/booter/source/irq.c **** 		else if (polarity == INT_RISING_EDGE)
 379:/mnt/hgfs/boot/booter/source/irq.c **** 		{
 380:/mnt/hgfs/boot/booter/source/irq.c **** 			RISING_EDGE(1,bit);
 381:/mnt/hgfs/boot/booter/source/irq.c **** 		}
 382:/mnt/hgfs/boot/booter/source/irq.c **** 		else if (polarity == INT_FALLING_EDGE)
 383:/mnt/hgfs/boot/booter/source/irq.c **** 		{
 384:/mnt/hgfs/boot/booter/source/irq.c **** 			FALLING_EDGE(1,bit);
 385:/mnt/hgfs/boot/booter/source/irq.c **** 		}
 386:/mnt/hgfs/boot/booter/source/irq.c **** 		else
 387:/mnt/hgfs/boot/booter/source/irq.c **** 			printf("Unknown IRQ polarity for IRQ %d\n", irq);
GAS LISTING /tmp/ccsUu95n.s 			page 12


 388:/mnt/hgfs/boot/booter/source/irq.c **** 
 389:/mnt/hgfs/boot/booter/source/irq.c **** 		/* ic1 mask: permit irq for GPIO */
 390:/mnt/hgfs/boot/booter/source/irq.c **** 		ic1->maskset = bit;
 232              		.loc 1 390 0
 233 00ec 700052AC 		sw	$18,112($2)
 391:/mnt/hgfs/boot/booter/source/irq.c **** 
 392:/mnt/hgfs/boot/booter/source/irq.c **** 		/* ic1 wakeup: permit irq for GPIO */
 393:/mnt/hgfs/boot/booter/source/irq.c **** 		ic1->wakeset = bit;
 234              		.loc 1 393 0
 235 00f0 680052AC 		sw	$18,104($2)
 236              	$LBE3:
 394:/mnt/hgfs/boot/booter/source/irq.c **** 	}
 395:/mnt/hgfs/boot/booter/source/irq.c **** 
 396:/mnt/hgfs/boot/booter/source/irq.c **** #if 0
 397:/mnt/hgfs/boot/booter/source/irq.c **** 	printf("ic0_config2: %08X\n", ic0->cfg2rd);
 398:/mnt/hgfs/boot/booter/source/irq.c **** 	printf("ic0_config1: %08X\n", ic0->cfg1rd);
 399:/mnt/hgfs/boot/booter/source/irq.c **** 	printf("ic0_config0: %08X\n", ic0->cfg0rd);
 400:/mnt/hgfs/boot/booter/source/irq.c **** 
 401:/mnt/hgfs/boot/booter/source/irq.c **** 	printf("ic1_config2: %08X\n", ic1->cfg2rd);
 402:/mnt/hgfs/boot/booter/source/irq.c **** 	printf("ic1_config1: %08X\n", ic1->cfg1rd);
 403:/mnt/hgfs/boot/booter/source/irq.c **** 	printf("ic1_config0: %08X\n", ic1->cfg0rd);
 404:/mnt/hgfs/boot/booter/source/irq.c **** #endif
 405:/mnt/hgfs/boot/booter/source/irq.c **** 
 406:/mnt/hgfs/boot/booter/source/irq.c **** 	return 0;
 237              		.loc 1 406 0
 238 00f4 21200000 		move	$4,$0
 239              	$L1:
 407:/mnt/hgfs/boot/booter/source/irq.c **** }
 240              		.loc 1 407 0
 241 00f8 2000BF8F 		lw	$31,32($sp)
 242 00fc 1C00B38F 		lw	$19,28($sp)
 243 0100 1800B28F 		lw	$18,24($sp)
 244 0104 1400B18F 		lw	$17,20($sp)
 245 0108 1000B08F 		lw	$16,16($sp)
 246 010c 21108000 		move	$2,$4
 247 0110 0800E003 		j	$31
 248 0114 2800BD27 		addiu	$sp,$sp,40
 249              	
 250              	$L38:
 251              	$LBB4:
 252              		.loc 1 281 0
 253 0118 0000000C 		jal	cp0RdStatus
 254 011c 00000000 		nop
 255              	
 256              	$LBE4:
 257              	$LBB5:
 258              		.loc 1 283 0
 259              		.loc 1 308 0
 260 0120 0000000C 		jal	cp0WrStatus
 261 0124 00014434 		ori	$4,$2,0x100
 262              	
 263              		.loc 1 406 0
 264 0128 3E000008 		j	$L1
 265 012c 21200000 		move	$4,$0
 266              	
 267              	$L13:
 268              	$LBE5:
GAS LISTING /tmp/ccsUu95n.s 			page 13


 269              	$LBB6:
 270              		.loc 1 357 0
 271              		.loc 1 359 0
 272 0130 0000000C 		jal	cp0RdStatus
 273 0134 04905300 		sll	$18,$19,$2
 274              	
 275              		.loc 1 361 0
 276 0138 0000000C 		jal	cp0WrStatus
 277 013c 00304434 		ori	$4,$2,0x3000
 278              	
 279              		.loc 1 364 0
 280 0140 90B1033C 		li	$3,-1315962880			# 0xffffffffb1900000
 281 0144 100160AC 		sw	$0,272($3)
 282              		.loc 1 367 0
 283 0148 000172AC 		sw	$18,256($3)
 284              		.loc 1 372 0
 285              		.loc 1 370 0
 286 014c 2A003312 		beq	$17,$19,$L46
 287 0150 80B1023C 		li	$2,-1317011456			# 0xffffffffb1800000
 288              	
 289              		.loc 1 374 0
 290 0154 02000224 		li	$2,2			# 0x2
 291              		.loc 1 376 0
 292              		.loc 1 374 0
 293 0158 3C002212 		beq	$17,$2,$L47
 294 015c 80B1023C 		li	$2,-1317011456			# 0xffffffffb1800000
 295              	
 296              		.loc 1 378 0
 297 0160 04000224 		li	$2,4			# 0x4
 298              		.loc 1 380 0
 299              		.loc 1 378 0
 300 0164 43002212 		beq	$17,$2,$L48
 301 0168 80B1023C 		li	$2,-1317011456			# 0xffffffffb1800000
 302              	
 303              		.loc 1 382 0
 304 016c 08000224 		li	$2,8			# 0x8
 305              		.loc 1 384 0
 306              		.loc 1 382 0
 307 0170 2C002212 		beq	$17,$2,$L49
 308 0174 80B1023C 		li	$2,-1317011456			# 0xffffffffb1800000
 309              	
 310              		.loc 1 387 0
 311 0178 0000043C 		lui	$4,%hi($LC0)
 312 017c 00008424 		addiu	$4,$4,%lo($LC0)
 313 0180 0000000C 		jal	printf
 314 0184 21280002 		move	$5,$16
 315              	
 316              		.loc 1 390 0
 317 0188 80B1023C 		li	$2,-1317011456			# 0xffffffffb1800000
 318              	$L51:
 319 018c 700052AC 		sw	$18,112($2)
 320              		.loc 1 393 0
 321 0190 680052AC 		sw	$18,104($2)
 322              		.loc 1 406 0
 323 0194 3E000008 		j	$L1
 324 0198 21200000 		move	$4,$0
 325              	
GAS LISTING /tmp/ccsUu95n.s 			page 14


 326              	$L40:
 327              	$LBE6:
 328              	$LBB7:
 329              		.loc 1 298 0
 330 019c 0000000C 		jal	cp0RdStatus
 331 01a0 00000000 		nop
 332              	
 333              	$LBE7:
 334              	$LBB8:
 335              		.loc 1 300 0
 336              		.loc 1 308 0
 337 01a4 0000000C 		jal	cp0WrStatus
 338 01a8 00404434 		ori	$4,$2,0x4000
 339              	
 340 01ac 3E000008 		j	$L1
 341 01b0 21200000 		move	$4,$0
 342              	
 343              	$L39:
 344              	$LBE8:
 345              	$LBB9:
 346              		.loc 1 290 0
 347 01b4 0000000C 		jal	cp0RdStatus
 348 01b8 00000000 		nop
 349              	
 350              	$LBE9:
 351              	$LBB10:
 352              		.loc 1 292 0
 353              		.loc 1 308 0
 354 01bc 0000000C 		jal	cp0WrStatus
 355 01c0 00024434 		ori	$4,$2,0x200
 356              	
 357 01c4 3E000008 		j	$L1
 358 01c8 21200000 		move	$4,$0
 359              	
 360              	$L41:
 361              		.loc 1 306 0
 362 01cc 0000000C 		jal	cp0RdStatus
 363 01d0 00000000 		nop
 364              	
 365              		.loc 1 308 0
 366 01d4 0000000C 		jal	cp0WrStatus
 367 01d8 00804434 		ori	$4,$2,0x8000
 368              	
 369 01dc 3E000008 		j	$L1
 370 01e0 21200000 		move	$4,$0
 371              	
 372              	$L42:
 373              	$LBE10:
 374              	$LBB11:
 375              		.loc 1 326 0
 376 01e4 500052AC 		sw	$18,80($2)
 377              		.loc 1 334 0
 378 01e8 4C0052AC 		sw	$18,76($2)
 379 01ec 400052AC 		sw	$18,64($2)
 380              		.loc 1 344 0
 381 01f0 3B000008 		j	$L35
 382 01f4 40B0023C 		li	$2,-1337982976			# 0xffffffffb0400000
GAS LISTING /tmp/ccsUu95n.s 			page 15