lcd2_frame_buffer.lst

au1200下的boot代码

 499              		.loc 1 74 0
 500 0468 0700D810 		beq	$6,$24,$L50
 501 046c 0100E326 		addiu	$3,$23,1
 502              	
 503 0470 1A00C401 		div	$0,$14,$4
 504 0474 02008014 		bne	$4,$0,1f
 505 0478 00000000 		nop
 506 047c 0D000700 		break	7
 507              	1:
 508 0480 10100000 		mfhi	$2
 509              		.loc 1 75 0
 510 0484 0BB86200 		movn	$23,$3,$2
 511              	$L50:
  76:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 	int r_dir = (r2 > r1) ? 1 : -1;
 512              		.loc 1 76 0
 513 0488 FFFF0224 		li	$2,-1			# 0xffffffffffffffff
 514 048c 01000824 		li	$8,1			# 0x1
  77:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 	
  78:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 	int g_delta = (g2 > g1) ? (g2 - g1) : (g1 - g2);
 515              		.loc 1 78 0
 516 0490 2B302703 		sltu	$6,$25,$7
 517 0494 2320F900 		subu	$4,$7,$25
 518 0498 23182703 		subu	$3,$25,$7
 519              		.loc 1 76 0
 520 049c 0A404500 		movz	$8,$2,$5
 521 04a0 4400A8AF 		sw	$8,68($sp)
 522              		.loc 1 78 0
 523 04a4 0A206600 		movz	$4,$3,$6
  79:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 	int g_mod = (g1 == g2) ? 0 : scaled_width / g_delta;
 524              		.loc 1 79 0
 525 04a8 06002713 		beq	$25,$7,$L56
 526 04ac 21A80000 		move	$21,$0
 527              	
 528 04b0 1A00C401 		div	$0,$14,$4
 529 04b4 02008014 		bne	$4,$0,1f
 530 04b8 00000000 		nop
 531 04bc 0D000700 		break	7
 532              	1:
 533 04c0 12A80000 		mflo	$21
 534              	$L56:
  80:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 	if((g2 != g1) && scaled_width % g_delta != 0)
  81:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 		g_mod++;
 535              		.loc 1 81 0
 536              		.loc 1 80 0
 537 04c4 0700F910 		beq	$7,$25,$L57
 538 04c8 0100A326 		addiu	$3,$21,1
 539              	
 540 04cc 1A00C401 		div	$0,$14,$4
 541 04d0 02008014 		bne	$4,$0,1f
 542 04d4 00000000 		nop
 543 04d8 0D000700 		break	7
 544              	1:
 545 04dc 10100000 		mfhi	$2
 546              		.loc 1 81 0
 547 04e0 0BA86200 		movn	$21,$3,$2
 548              	$L57:
  82:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 	int g_dir = (g2 > g1) ? 1 : -1;
GAS LISTING /tmp/cc7wtJ5I.s 			page 17


 549              		.loc 1 82 0
 550 04e4 FFFF0224 		li	$2,-1			# 0xffffffffffffffff
 551 04e8 01000724 		li	$7,1			# 0x1
  83:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 	
  84:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 	int b_delta = (b2 > b1) ? (b2 - b1) : (b1 - b2);
 552              		.loc 1 84 0
 553 04ec 2B280902 		sltu	$5,$16,$9
 554 04f0 23203001 		subu	$4,$9,$16
 555 04f4 23180902 		subu	$3,$16,$9
 556              		.loc 1 82 0
 557 04f8 0A384600 		movz	$7,$2,$6
 558 04fc 4800A7AF 		sw	$7,72($sp)
 559              		.loc 1 84 0
 560 0500 0A206500 		movz	$4,$3,$5
  85:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 	int b_mod = (b1 == b2) ? 0 : scaled_width / b_delta;
 561              		.loc 1 85 0
 562 0504 06000912 		beq	$16,$9,$L63
 563 0508 21A00000 		move	$20,$0
 564              	
 565 050c 1A00C401 		div	$0,$14,$4
 566 0510 02008014 		bne	$4,$0,1f
 567 0514 00000000 		nop
 568 0518 0D000700 		break	7
 569              	1:
 570 051c 12A00000 		mflo	$20
 571              	$L63:
  86:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 	if((b2 != b1) && scaled_width % b_delta != 0)
  87:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 		b_mod++;
 572              		.loc 1 87 0
 573              		.loc 1 86 0
 574 0520 07003011 		beq	$9,$16,$L64
 575 0524 01008326 		addiu	$3,$20,1
 576              	
 577 0528 1A00C401 		div	$0,$14,$4
 578 052c 02008014 		bne	$4,$0,1f
 579 0530 00000000 		nop
 580 0534 0D000700 		break	7
 581              	1:
 582 0538 10100000 		mfhi	$2
 583              		.loc 1 87 0
 584 053c 0BA06200 		movn	$20,$3,$2
 585              	$L64:
  88:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 	int b_dir = (b2 > b1) ? 1 : -1;
 586              		.loc 1 88 0
 587 0540 FFFF0224 		li	$2,-1			# 0xffffffffffffffff
 588 0544 01000324 		li	$3,1			# 0x1
 589 0548 0A184500 		movz	$3,$2,$5
 590 054c 4C00A3AF 		sw	$3,76($sp)
  89:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 
  90:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 	DPRINTF("FB: %X, W: %d, H: %d, BPP: %d, Mem Width: %d\n", address, info->width, info->height, info
  91:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 	DPRINTF("A (%d->%d), R (%d->%d), G (%d->%d), B(%d->%d)\n", a1, a2, r1, r2, g1, g2, b1, b2);
  92:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 	DPRINTF("A: (%d,%d), R: (%d,%d), G: (%d,%d), B: (%d,%d)\n", a_mod, a_dir, r_mod, r_dir, g_mod, g_d
  93:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 
  94:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 	for(x = 0; x < scaled_width; ++x)	//increment through columns
 591              		.loc 1 94 0
 592 0550 8500C019 		blez	$14,$L92
 593 0554 21400000 		move	$8,$0
GAS LISTING /tmp/cc7wtJ5I.s 			page 18


 594              	
 595 0558 40008A25 		addiu	$10,$12,64
 596 055c 21904001 		move	$18,$10
 597 0560 21984001 		move	$19,$10
 598              	$L90:
  95:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 	{		
  96:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 		if((x % width_scale) == 0)
 599              		.loc 1 96 0
 600 0564 1A000F01 		div	$0,$8,$15
 601 0568 0200E015 		bne	$15,$0,1f
 602 056c 00000000 		nop
 603 0570 0D000700 		break	7
 604              	1:
 605 0574 10100000 		mfhi	$2
 606 0578 4B004014 		bne	$2,$0,$L70
 607 057c 00000000 		nop
 608              	
  97:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 		{	
  98:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 			for(y = 0; y < info->height; ++y)	//incrment through each row in this column
 609              		.loc 1 98 0
 610 0580 4400898D 		lw	$9,68($12)
 611 0584 0900201D 		bgtz	$9,$L85
 612 0588 21580000 		move	$11,$0
 613              	
 614 058c AA010008 		j	$L70
 615 0590 00000000 		nop
 616              	
 617              	$L95:
 618              		.loc 2 277 0
  99:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 			{
 100:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 				fb_index = (y * info->width) + (x / width_scale);	//calculate the index into the frame buffer f
 101:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 				switch(info->pixel_info.memory_width)	//we have to index into the right data type depending on 
 619              		.loc 1 101 0
 620 0594 AC008210 		beq	$4,$2,$L75
 621 0598 21308001 		move	$6,$12
 622              	
 623              	$L73:
 624              		.loc 1 98 0
 625 059c 01006B25 		addiu	$11,$11,1
 626 05a0 2A106901 		slt	$2,$11,$9
 627 05a4 40004010 		beq	$2,$0,$L70
 628 05a8 00000000 		nop
 629              	
 630              	$L85:
 631              		.loc 1 100 0
 632 05ac 1A000F01 		div	$0,$8,$15
 633 05b0 0200E015 		bne	$15,$0,1f
 634 05b4 00000000 		nop
 635 05b8 0D000700 		break	7
 636              	1:
 637 05bc 4000838D 		lw	$3,64($12)
 638              		.loc 1 101 0
 639 05c0 0C00848D 		lw	$4,12($12)
 640 05c4 10000224 		li	$2,16			# 0x10
 641              		.loc 1 100 0
 642              		.loc 1 101 0
 643 05c8 72008210 		beq	$4,$2,$L78
GAS LISTING /tmp/cc7wtJ5I.s 			page 19


 644 05cc 00006B70 		madd	$3,$11
 645              	
 646 05d0 11008228 		slt	$2,$4,17
 647 05d4 EFFF4014 		bne	$2,$0,$L95
 648 05d8 08000224 		li	$2,8			# 0x8
 649              	
 650 05dc 20000224 		li	$2,32			# 0x20
 651              		.loc 2 277 0
 652              		.loc 1 101 0
 653 05e0 EEFF8214 		bne	$4,$2,$L73
 654 05e4 21308001 		move	$6,$12
 655              	
 102:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 				{
 103:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 					case 8:		((unsigned char*) (address))[fb_index] = (unsigned char)  pixel_convert(info->pixel_i
 104:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 					case 16:	((unsigned short*)(address))[fb_index] = (unsigned short) pixel_convert(info->pixel_i
 105:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 					case 32:	((unsigned int*)  (address))[fb_index] = (unsigned int)   pixel_convert(info->pixel_i
 656              		.loc 1 105 0
 657 05e8 12380000 		mflo	$7
 658 05ec 80100700 		sll	$2,$7,2
 659 05f0 21485E00 		addu	$9,$2,$fp
 660              	$LBB11:
 661              		.loc 2 277 0
 662 05f4 2138A003 		move	$7,$sp
 663              	$L82:
 664 05f8 0000C28C 		lw	$2,0($6)
 665 05fc 0400C38C 		lw	$3,4($6)
 666 0600 0800C48C 		lw	$4,8($6)
 667 0604 0C00C58C 		lw	$5,12($6)
 668 0608 1000C624 		addiu	$6,$6,16
 669 060c 0000E2AC 		sw	$2,0($7)
 670 0610 0400E3AC 		sw	$3,4($7)
 671 0614 0800E4AC 		sw	$4,8($7)
 672 0618 0C00E5AC 		sw	$5,12($7)
 673 061c F6FFD314 		bne	$6,$19,$L82
 674 0620 1000E724 		addiu	$7,$7,16
 675              	
 676              	$LBB12:
 677              		.loc 2 278 0
 678 0624 3000A78F 		lw	$7,48($sp)
 679 0628 2000A38F 		lw	$3,32($sp)
 680 062c 3C00A68F 		lw	$6,60($sp)
 681 0630 2C00A28F 		lw	$2,44($sp)
 682 0634 0738F800 		sra	$7,$24,$7
 683 0638 04386700 		sll	$7,$7,$3
 684 063c 0730D100 		sra	$6,$17,$6
 685 0640 1000A38F 		lw	$3,16($sp)
 686 0644 04304600 		sll	$6,$6,$2
 687 0648 3400A58F 		lw	$5,52($sp)
 688 064c 1C00A28F 		lw	$2,28($sp)
 689 0650 2400A48F 		lw	$4,36($sp)
 690 0654 2438E300 		and	$7,$7,$3
 691 0658 1400A38F 		lw	$3,20($sp)
 692 065c 2430C200 		and	$6,$6,$2
 693 0660 0728B900 		sra	$5,$25,$5
 694 0664 3800A28F 		lw	$2,56($sp)
 695 0668 04288500 		sll	$5,$5,$4
 696 066c 2800A48F 		lw	$4,40($sp)
GAS LISTING /tmp/cc7wtJ5I.s 			page 20


 697 0670 2428A300 		and	$5,$5,$3
 698 0674 1800A38F 		lw	$3,24($sp)
 699 0678 07105000 		sra	$2,$16,$2
 700 067c 2530C700 		or	$6,$6,$7
 701 0680 04108200 		sll	$2,$2,$4
 702 0684 2530C500 		or	$6,$6,$5
 703 0688 24104300 		and	$2,$2,$3
 704 068c 2530C200 		or	$6,$6,$2
 705              	$LBE12:
 706              	$LBE11:
 707              		.loc 2 277 0
 708 0690 000026AD 		sw	$6,0($9)
 709 0694 4400898D 		lw	$9,68($12)
 710              	$L96:
 711              		.loc 1 98 0
 712 0698 01006B25 		addiu	$11,$11,1
 713 069c 2A106901 		slt	$2,$11,$9
 714 06a0 C2FF4014 		bne	$2,$0,$L85
 715 06a4 00000000 		nop
 716              	
 717              	$L70:
 106:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 				}	
 107:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 			}
 108:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 		}
 109:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 
 110:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 		//increment/decrement the shade of each color element
 111:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 		if(a_mod && (x % a_mod) == 0)
 718              		.loc 1 111 0
 719 06a8 0A00C012 		beq	$22,$0,$L86
 720 06ac 00000000 		nop
 721              	
 722 06b0 1A001601 		div	$0,$8,$22
 723 06b4 0200C016 		bne	$22,$0,1f
 724 06b8 00000000 		nop
 725 06bc 0D000700 		break	7
 726              	1:
 727 06c0 10100000 		mfhi	$2
 112:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 			a1 += a_dir;
 728              		.loc 1 112 0
 729              		.loc 1 111 0
 730 06c4 03004014 		bne	$2,$0,$L86
 731 06c8 4000A38F 		lw	$3,64($sp)
 732              	
 733              		.loc 1 112 0
 734 06cc 21107100 		addu	$2,$3,$17
 735 06d0 FF005130 		andi	$17,$2,0x00ff
 736              	$L86:
 113:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 		if(r_mod && (x % r_mod) == 0)
 737              		.loc 1 113 0
 738 06d4 0A00E012 		beq	$23,$0,$L87
 739 06d8 00000000 		nop
 740              	
 741 06dc 1A001701 		div	$0,$8,$23
 742 06e0 0200E016 		bne	$23,$0,1f
 743 06e4 00000000 		nop
 744 06e8 0D000700 		break	7
 745              	1:
GAS LISTING /tmp/cc7wtJ5I.s 			page 21


 746 06ec 10100000 		mfhi	$2