irq.lst

au1200下的boot代码

 383              	
 384              	$L46:
 385              	$LBE11:
 386              	$LBB12:
 387              		.loc 1 372 0
 388 01f8 500052AC 		sw	$18,80($2)
 389              		.loc 1 380 0
 390 01fc 4C0052AC 		sw	$18,76($2)
 391 0200 400052AC 		sw	$18,64($2)
 392              		.loc 1 390 0
 393 0204 63000008 		j	$L51
 394 0208 80B1023C 		li	$2,-1317011456			# 0xffffffffb1800000
 395              	
 396              	$L45:
 397              	$LBE12:
 398              	$LBB13:
 399              		.loc 1 338 0
 400 020c 40B0023C 		li	$2,-1337982976			# 0xffffffffb0400000
 401 0210 540052AC 		sw	$18,84($2)
 402 0214 480052AC 		sw	$18,72($2)
 403 0218 440052AC 		sw	$18,68($2)
 404              		.loc 1 344 0
 405 021c 3B000008 		j	$L35
 406 0220 40B0023C 		li	$2,-1337982976			# 0xffffffffb0400000
 407              	
 408              	$L49:
 409              	$LBE13:
 410              	$LBB14:
 411              		.loc 1 384 0
 412 0224 540052AC 		sw	$18,84($2)
 413 0228 480052AC 		sw	$18,72($2)
 414 022c 440052AC 		sw	$18,68($2)
 415              		.loc 1 390 0
 416 0230 63000008 		j	$L51
 417 0234 80B1023C 		li	$2,-1317011456			# 0xffffffffb1800000
 418              	
 419              	$L43:
 420              	$LBE14:
 421              	$LBB15:
 422              		.loc 1 330 0
 423 0238 500052AC 		sw	$18,80($2)
 424              		.loc 1 338 0
 425 023c 480052AC 		sw	$18,72($2)
 426 0240 440052AC 		sw	$18,68($2)
 427 0244 3B000008 		j	$L35
 428 0248 40B0023C 		li	$2,-1337982976			# 0xffffffffb0400000
 429              	
 430              	$L47:
 431              	$LBE15:
 432              	$LBB16:
 433              		.loc 1 376 0
 434 024c 500052AC 		sw	$18,80($2)
 435              		.loc 1 384 0
 436 0250 480052AC 		sw	$18,72($2)
 437 0254 440052AC 		sw	$18,68($2)
 438 0258 63000008 		j	$L51
 439 025c 80B1023C 		li	$2,-1317011456			# 0xffffffffb1800000
GAS LISTING /tmp/ccsUu95n.s 			page 16


 440              	
 441              	$L44:
 442              	$LBE16:
 443              	$LBB17:
 444              		.loc 1 334 0
 445 0260 540052AC 		sw	$18,84($2)
 446 0264 4C0052AC 		sw	$18,76($2)
 447 0268 400052AC 		sw	$18,64($2)
 448 026c 3B000008 		j	$L35
 449 0270 40B0023C 		li	$2,-1337982976			# 0xffffffffb0400000
 450              	
 451              	$L48:
 452              	$LBE17:
 453              	$LBB18:
 454              		.loc 1 380 0
 455 0274 540052AC 		sw	$18,84($2)
 456 0278 4C0052AC 		sw	$18,76($2)
 457 027c 400052AC 		sw	$18,64($2)
 458 0280 63000008 		j	$L51
 459 0284 80B1023C 		li	$2,-1317011456			# 0xffffffffb1800000
 460              	
 461              	$LBE18:
 462              		.set	macro
 463              		.set	reorder
 464              	$LFE2:
 465              		.end	cpuIrqEnable
 466              		.align	2
 467              		.globl	cpuIrqDisable
 468              		.ent	cpuIrqDisable
 469              		.type	cpuIrqDisable, @function
 470              	cpuIrqDisable:
 471              	$LFB3:
 408:/mnt/hgfs/boot/booter/source/irq.c **** 
 409:/mnt/hgfs/boot/booter/source/irq.c **** /********************************************************************/
 410:/mnt/hgfs/boot/booter/source/irq.c **** void
 411:/mnt/hgfs/boot/booter/source/irq.c **** cpuIrqDisable (int irq)
 412:/mnt/hgfs/boot/booter/source/irq.c **** {
 472              		.loc 1 412 0
 473              		.frame	$sp,24,$31		# vars= 0, regs= 2/0, args= 16, gp= 0
 474              		.mask	0x80010000,-4
 475              		.fmask	0x00000000,0
 476              		.set	noreorder
 477              		.set	nomacro
 478              		
 479 0288 E8FFBD27 		addiu	$sp,$sp,-24
 480              	$LCFI6:
 413:/mnt/hgfs/boot/booter/source/irq.c **** 	int bit;
 414:/mnt/hgfs/boot/booter/source/irq.c **** 	uint32 Status;
 415:/mnt/hgfs/boot/booter/source/irq.c **** 
 416:/mnt/hgfs/boot/booter/source/irq.c **** 	if ((irq < 0) || (irq >= NUM_IRQS))
 481              		.loc 1 416 0
 482 028c 4800822C 		sltu	$2,$4,72
 483              		.loc 1 412 0
 484 0290 1000B0AF 		sw	$16,16($sp)
 485              	$LCFI7:
 486 0294 1400BFAF 		sw	$31,20($sp)
 487              	$LCFI8:
GAS LISTING /tmp/ccsUu95n.s 			page 17


 488              		.loc 1 412 0
 489              		.loc 1 416 0
 490 0298 1B004010 		beq	$2,$0,$L56
 491 029c 21808000 		move	$16,$4
 492              	
 417:/mnt/hgfs/boot/booter/source/irq.c **** 		return;
 418:/mnt/hgfs/boot/booter/source/irq.c **** 
 419:/mnt/hgfs/boot/booter/source/irq.c **** 	/*
 420:/mnt/hgfs/boot/booter/source/irq.c **** 	 * Status[IM]/Cause[IP]
 421:/mnt/hgfs/boot/booter/source/irq.c **** 	 */
 422:/mnt/hgfs/boot/booter/source/irq.c **** 	if (irq == IRQ_SWI0)
 493              		.loc 1 422 0
 494 02a0 1D008010 		beq	$4,$0,$L70
 495 02a4 00000000 		nop
 496              	
 423:/mnt/hgfs/boot/booter/source/irq.c **** 	{
 424:/mnt/hgfs/boot/booter/source/irq.c **** 		Status = cp0RdStatus();
 425:/mnt/hgfs/boot/booter/source/irq.c **** 		Status &= ~STATUS_SWI0;
 426:/mnt/hgfs/boot/booter/source/irq.c **** 		cp0WrStatus(Status);
 427:/mnt/hgfs/boot/booter/source/irq.c **** 	}
 428:/mnt/hgfs/boot/booter/source/irq.c **** 	else
 429:/mnt/hgfs/boot/booter/source/irq.c **** 
 430:/mnt/hgfs/boot/booter/source/irq.c **** 	if (irq == IRQ_SWI1)
 497              		.loc 1 430 0
 498 02a8 01000424 		li	$4,1			# 0x1
 499 02ac 2E000412 		beq	$16,$4,$L71
 500 02b0 00000000 		nop
 501              	
 431:/mnt/hgfs/boot/booter/source/irq.c **** 	{
 432:/mnt/hgfs/boot/booter/source/irq.c **** 		Status = cp0RdStatus();
 433:/mnt/hgfs/boot/booter/source/irq.c **** 		Status &= ~STATUS_SWI1;
 434:/mnt/hgfs/boot/booter/source/irq.c **** 		cp0WrStatus(Status);
 435:/mnt/hgfs/boot/booter/source/irq.c **** 	}
 436:/mnt/hgfs/boot/booter/source/irq.c **** 	else
 437:/mnt/hgfs/boot/booter/source/irq.c **** 
 438:/mnt/hgfs/boot/booter/source/irq.c **** 	if (irq == IRQ_PERFCNT)
 502              		.loc 1 438 0
 503 02b4 06000224 		li	$2,6			# 0x6
 504 02b8 32000212 		beq	$16,$2,$L72
 505 02bc 00000000 		nop
 506              	
 439:/mnt/hgfs/boot/booter/source/irq.c **** 	{
 440:/mnt/hgfs/boot/booter/source/irq.c **** 		Status = cp0RdStatus();
 441:/mnt/hgfs/boot/booter/source/irq.c **** 		Status &= ~STATUS_PERFCNT;
 442:/mnt/hgfs/boot/booter/source/irq.c **** 		cp0WrStatus(Status);
 443:/mnt/hgfs/boot/booter/source/irq.c **** 	}
 444:/mnt/hgfs/boot/booter/source/irq.c **** 	else
 445:/mnt/hgfs/boot/booter/source/irq.c **** 
 446:/mnt/hgfs/boot/booter/source/irq.c **** 	if (irq == IRQ_COUNTER)
 507              		.loc 1 446 0
 508 02c0 07000224 		li	$2,7			# 0x7
 447:/mnt/hgfs/boot/booter/source/irq.c **** 	{
 448:/mnt/hgfs/boot/booter/source/irq.c **** 		Status = cp0RdStatus();
 449:/mnt/hgfs/boot/booter/source/irq.c **** 		Status &= ~STATUS_COUNTER;
 450:/mnt/hgfs/boot/booter/source/irq.c **** 		cp0WrStatus(Status);
 451:/mnt/hgfs/boot/booter/source/irq.c **** 	}
 452:/mnt/hgfs/boot/booter/source/irq.c **** 	else
GAS LISTING /tmp/ccsUu95n.s 			page 18


 453:/mnt/hgfs/boot/booter/source/irq.c **** 
 454:/mnt/hgfs/boot/booter/source/irq.c **** 	/*
 455:/mnt/hgfs/boot/booter/source/irq.c **** 	 * IC0
 456:/mnt/hgfs/boot/booter/source/irq.c **** 	 */
 457:/mnt/hgfs/boot/booter/source/irq.c **** 	if ((irq >= IRQ_IC0_START) && (irq <= IRQ_IC0_END))
 509              		.loc 1 457 0
 510              		.loc 1 446 0
 511 02c4 36000212 		beq	$16,$2,$L73
 512 02c8 F8FF0326 		addiu	$3,$16,-8
 513              	
 514              		.loc 1 457 0
 515 02cc 2000622C 		sltu	$2,$3,32
 458:/mnt/hgfs/boot/booter/source/irq.c **** 	{
 459:/mnt/hgfs/boot/booter/source/irq.c **** 		bit = (1 << (irq - IRQ_IC0_START));
 460:/mnt/hgfs/boot/booter/source/irq.c **** 
 461:/mnt/hgfs/boot/booter/source/irq.c **** 		/* Disable */
 462:/mnt/hgfs/boot/booter/source/irq.c **** 		ic0->cfg2clr = bit;
 463:/mnt/hgfs/boot/booter/source/irq.c **** 		ic0->cfg1clr = bit;
 464:/mnt/hgfs/boot/booter/source/irq.c **** 		ic0->cfg0clr = bit;
 465:/mnt/hgfs/boot/booter/source/irq.c **** 
 466:/mnt/hgfs/boot/booter/source/irq.c **** 		/* mask: mask irq */
 467:/mnt/hgfs/boot/booter/source/irq.c **** 		ic0->maskclr = bit;
 468:/mnt/hgfs/boot/booter/source/irq.c **** 
 469:/mnt/hgfs/boot/booter/source/irq.c **** 		/* wakeup: do not allow irq to wakeup */
 470:/mnt/hgfs/boot/booter/source/irq.c **** 		ic0->wakeclr = bit;
 471:/mnt/hgfs/boot/booter/source/irq.c **** 	}
 472:/mnt/hgfs/boot/booter/source/irq.c **** 	else
 473:/mnt/hgfs/boot/booter/source/irq.c **** 
 474:/mnt/hgfs/boot/booter/source/irq.c **** 	/*
 475:/mnt/hgfs/boot/booter/source/irq.c **** 	 * IC1
 476:/mnt/hgfs/boot/booter/source/irq.c **** 	 */
 477:/mnt/hgfs/boot/booter/source/irq.c **** 	{
 478:/mnt/hgfs/boot/booter/source/irq.c **** 		uint32 gpio = (irq - IRQ_IC1_START);
 479:/mnt/hgfs/boot/booter/source/irq.c **** 		
 480:/mnt/hgfs/boot/booter/source/irq.c **** 		bit = (1 << gpio);
 481:/mnt/hgfs/boot/booter/source/irq.c **** 
 482:/mnt/hgfs/boot/booter/source/irq.c **** 		/* Disable */
 483:/mnt/hgfs/boot/booter/source/irq.c **** 		ic1->cfg2clr = bit;
 516              		.loc 1 483 0
 517              		.loc 1 457 0
 518 02d0 1C004010 		beq	$2,$0,$L66
 519 02d4 80B1023C 		li	$2,-1317011456			# 0xffffffffb1800000
 520              	
 521              		.loc 1 459 0
 522 02d8 04186400 		sll	$3,$4,$3
 523              		.loc 1 462 0
 524 02dc 40B0023C 		li	$2,-1337982976			# 0xffffffffb0400000
 525              	$LBB19:
 526              		.loc 1 483 0
 527 02e0 540043AC 		sw	$3,84($2)
 484:/mnt/hgfs/boot/booter/source/irq.c **** 		ic1->cfg1clr = bit;
 528              		.loc 1 484 0
 529 02e4 4C0043AC 		sw	$3,76($2)
 485:/mnt/hgfs/boot/booter/source/irq.c **** 		ic1->cfg0clr = bit;
 530              		.loc 1 485 0
 531 02e8 440043AC 		sw	$3,68($2)
 486:/mnt/hgfs/boot/booter/source/irq.c **** 
GAS LISTING /tmp/ccsUu95n.s 			page 19


 487:/mnt/hgfs/boot/booter/source/irq.c **** 		/* mask: mask irq */
 488:/mnt/hgfs/boot/booter/source/irq.c **** 		ic1->maskclr = bit;
 532              		.loc 1 488 0
 533 02ec 740043AC 		sw	$3,116($2)
 489:/mnt/hgfs/boot/booter/source/irq.c **** 
 490:/mnt/hgfs/boot/booter/source/irq.c **** 		/* wakeup: do not allow irq to wakeup */
 491:/mnt/hgfs/boot/booter/source/irq.c **** 		ic1->wakeclr = bit;
 534              		.loc 1 491 0
 535 02f0 6C0043AC 		sw	$3,108($2)
 536              	$LBE19:
 492:/mnt/hgfs/boot/booter/source/irq.c **** 	}
 493:/mnt/hgfs/boot/booter/source/irq.c **** 
 494:/mnt/hgfs/boot/booter/source/irq.c **** 	irqDispatch[irq] = NULL;
 537              		.loc 1 494 0
 538 02f4 0000023C 		lui	$2,%hi(irqDispatch)
 539              	$L75:
 540 02f8 80181000 		sll	$3,$16,2
 541 02fc 00004224 		addiu	$2,$2,%lo(irqDispatch)
 542 0300 21186200 		addu	$3,$3,$2
 543 0304 000060AC 		sw	$0,0($3)
 544              	$L56:
 495:/mnt/hgfs/boot/booter/source/irq.c **** }
 545              		.loc 1 495 0
 546 0308 1400BF8F 		lw	$31,20($sp)
 547 030c 1000B08F 		lw	$16,16($sp)
 548 0310 0800E003 		j	$31
 549 0314 1800BD27 		addiu	$sp,$sp,24
 550              	
 551              	$L70:
 552              	$LBB20:
 553              		.loc 1 424 0
 554 0318 0000000C 		jal	cp0RdStatus
 555 031c 00000000 		nop
 556              	
 557              		.loc 1 426 0
 558 0320 FFFE0424 		li	$4,-257			# 0xfffffffffffffeff
 559              	$LBE20:
 560              	$LBB21:
 561              		.loc 1 450 0
 562 0324 0000000C 		jal	cp0WrStatus
 563 0328 24204400 		and	$4,$2,$4