lcd2_frame_buffer.lst

au1200下的boot代码

 114:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 			r1 += r_dir;
 747              		.loc 1 114 0
 748              		.loc 1 113 0
 749 06f0 03004014 		bne	$2,$0,$L87
 750 06f4 4400A38F 		lw	$3,68($sp)
 751              	
 752              		.loc 1 114 0
 753 06f8 21107800 		addu	$2,$3,$24
 754 06fc FF005830 		andi	$24,$2,0x00ff
 755              	$L87:
 115:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 		if(g_mod && (x % g_mod) == 0)
 756              		.loc 1 115 0
 757 0700 0A00A012 		beq	$21,$0,$L88
 758 0704 00000000 		nop
 759              	
 760 0708 1A001501 		div	$0,$8,$21
 761 070c 0200A016 		bne	$21,$0,1f
 762 0710 00000000 		nop
 763 0714 0D000700 		break	7
 764              	1:
 765 0718 10100000 		mfhi	$2
 116:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 			g1 += g_dir;
 766              		.loc 1 116 0
 767              		.loc 1 115 0
 768 071c 03004014 		bne	$2,$0,$L88
 769 0720 4800A38F 		lw	$3,72($sp)
 770              	
 771              		.loc 1 116 0
 772 0724 21107900 		addu	$2,$3,$25
 773 0728 FF005930 		andi	$25,$2,0x00ff
 774              	$L88:
 117:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 		if(b_mod && (x % b_mod) == 0)
 775              		.loc 1 117 0
 776 072c 0A008012 		beq	$20,$0,$L69
 777 0730 00000000 		nop
 778              	
 779 0734 1A001401 		div	$0,$8,$20
 780 0738 02008016 		bne	$20,$0,1f
 781 073c 00000000 		nop
 782 0740 0D000700 		break	7
 783              	1:
 784 0744 10100000 		mfhi	$2
 118:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 			b1 += b_dir;
 785              		.loc 1 118 0
 786              		.loc 1 117 0
 787 0748 03004014 		bne	$2,$0,$L69
 788 074c 4C00A38F 		lw	$3,76($sp)
 789              	
 790              		.loc 1 118 0
 791 0750 21107000 		addu	$2,$3,$16
 792 0754 FF005030 		andi	$16,$2,0x00ff
 793              	$L69:
 794              		.loc 1 94 0
 795 0758 01000825 		addiu	$8,$8,1
 796 075c 2A100E01 		slt	$2,$8,$14
 797 0760 80FF4014 		bne	$2,$0,$L90
GAS LISTING /tmp/cc7wtJ5I.s 			page 22


 798 0764 00000000 		nop
 799              	
 800              	$L92:
 801 0768 7000BE8F 		lw	$fp,112($sp)
 802 076c 6C00B78F 		lw	$23,108($sp)
 803 0770 6800B68F 		lw	$22,104($sp)
 804 0774 6400B58F 		lw	$21,100($sp)
 805 0778 6000B48F 		lw	$20,96($sp)
 806 077c 5C00B38F 		lw	$19,92($sp)
 807 0780 5800B28F 		lw	$18,88($sp)
 808 0784 5400B18F 		lw	$17,84($sp)
 809 0788 5000B08F 		lw	$16,80($sp)
 810 078c 0800E003 		j	$31
 811 0790 7800BD27 		addiu	$sp,$sp,120
 812              	
 813              	$L78:
 814              		.loc 1 104 0
 815 0794 12180000 		mflo	$3
 816 0798 40100300 		sll	$2,$3,1
 817 079c 21685E00 		addu	$13,$2,$fp
 818              	$LBB13:
 819              		.loc 2 277 0
 820 07a0 21308001 		move	$6,$12
 821 07a4 2138A003 		move	$7,$sp
 822              	$L79:
 823 07a8 0000C28C 		lw	$2,0($6)
 824 07ac 0400C38C 		lw	$3,4($6)
 825 07b0 0800C48C 		lw	$4,8($6)
 826 07b4 0C00C58C 		lw	$5,12($6)
 827 07b8 1000C624 		addiu	$6,$6,16
 828 07bc 0000E2AC 		sw	$2,0($7)
 829 07c0 0400E3AC 		sw	$3,4($7)
 830 07c4 0800E4AC 		sw	$4,8($7)
 831 07c8 0C00E5AC 		sw	$5,12($7)
 832 07cc F6FFCA14 		bne	$6,$10,$L79
 833 07d0 1000E724 		addiu	$7,$7,16
 834              	
 835              	$LBB14:
 836              		.loc 2 278 0
 837 07d4 3000A78F 		lw	$7,48($sp)
 838 07d8 2000A38F 		lw	$3,32($sp)
 839 07dc 3C00A68F 		lw	$6,60($sp)
 840 07e0 2C00A28F 		lw	$2,44($sp)
 841 07e4 0738F800 		sra	$7,$24,$7
 842 07e8 04386700 		sll	$7,$7,$3
 843 07ec 0730D100 		sra	$6,$17,$6
 844 07f0 1000A38F 		lw	$3,16($sp)
 845 07f4 04304600 		sll	$6,$6,$2
 846 07f8 3400A58F 		lw	$5,52($sp)
 847 07fc 1C00A28F 		lw	$2,28($sp)
 848 0800 2400A48F 		lw	$4,36($sp)
 849 0804 2438E300 		and	$7,$7,$3
 850 0808 1400A38F 		lw	$3,20($sp)
 851 080c 2430C200 		and	$6,$6,$2
 852 0810 0728B900 		sra	$5,$25,$5
 853 0814 3800A28F 		lw	$2,56($sp)
 854 0818 04288500 		sll	$5,$5,$4
GAS LISTING /tmp/cc7wtJ5I.s 			page 23


 855 081c 2800A48F 		lw	$4,40($sp)
 856 0820 2428A300 		and	$5,$5,$3
 857 0824 1800A38F 		lw	$3,24($sp)
 858 0828 07105000 		sra	$2,$16,$2
 859 082c 2530C700 		or	$6,$6,$7
 860 0830 04108200 		sll	$2,$2,$4
 861 0834 2530C500 		or	$6,$6,$5
 862 0838 24104300 		and	$2,$2,$3
 863 083c 2530C200 		or	$6,$6,$2
 864              		.loc 2 277 0
 865 0840 67010008 		j	$L73
 866 0844 0000A6A5 		sh	$6,0($13)
 867              	
 868              	$L75:
 869              	$LBE14:
 870              	$LBE13:
 871              		.loc 1 103 0
 872 0848 12100000 		mflo	$2
 873 084c 2148C203 		addu	$9,$fp,$2
 874              	$LBB15:
 875              		.loc 2 277 0
 876 0850 2138A003 		move	$7,$sp
 877              	$L76:
 878 0854 0000C28C 		lw	$2,0($6)
 879 0858 0400C38C 		lw	$3,4($6)
 880 085c 0800C48C 		lw	$4,8($6)
 881 0860 0C00C58C 		lw	$5,12($6)
 882 0864 1000C624 		addiu	$6,$6,16
 883 0868 0000E2AC 		sw	$2,0($7)
 884 086c 0400E3AC 		sw	$3,4($7)
 885 0870 0800E4AC 		sw	$4,8($7)
 886 0874 0C00E5AC 		sw	$5,12($7)
 887 0878 F6FFD214 		bne	$6,$18,$L76
 888 087c 1000E724 		addiu	$7,$7,16
 889              	
 890              	$LBB16:
 891              		.loc 2 278 0
 892 0880 3000A78F 		lw	$7,48($sp)
 893 0884 2000A38F 		lw	$3,32($sp)
 894 0888 3C00A68F 		lw	$6,60($sp)
 895 088c 2C00A28F 		lw	$2,44($sp)
 896 0890 0738F800 		sra	$7,$24,$7
 897 0894 04386700 		sll	$7,$7,$3
 898 0898 0730D100 		sra	$6,$17,$6
 899 089c 1000A38F 		lw	$3,16($sp)
 900 08a0 04304600 		sll	$6,$6,$2
 901 08a4 3400A58F 		lw	$5,52($sp)
 902 08a8 1C00A28F 		lw	$2,28($sp)
 903 08ac 2400A48F 		lw	$4,36($sp)
 904 08b0 2438E300 		and	$7,$7,$3
 905 08b4 1400A38F 		lw	$3,20($sp)
 906 08b8 2430C200 		and	$6,$6,$2
 907 08bc 0728B900 		sra	$5,$25,$5
 908 08c0 3800A28F 		lw	$2,56($sp)
 909 08c4 04288500 		sll	$5,$5,$4
 910 08c8 2800A48F 		lw	$4,40($sp)
 911 08cc 2428A300 		and	$5,$5,$3
GAS LISTING /tmp/cc7wtJ5I.s 			page 24


 912 08d0 1800A38F 		lw	$3,24($sp)
 913 08d4 07105000 		sra	$2,$16,$2
 914 08d8 2530C700 		or	$6,$6,$7
 915 08dc 04108200 		sll	$2,$2,$4
 916 08e0 2530C500 		or	$6,$6,$5
 917 08e4 24104300 		and	$2,$2,$3
 918 08e8 2530C200 		or	$6,$6,$2
 919              	$LBE16:
 920              	$LBE15:
 921              		.loc 2 277 0
 922 08ec 000026A1 		sb	$6,0($9)
 923 08f0 A6010008 		j	$L96
 924 08f4 4400898D 		lw	$9,68($12)
 925              	
 926              		.set	macro
 927              		.set	reorder
 928              	$LFE6:
 929              		.end	fb_fill_horizontal_gradient
 930              		.align	2
 931              		.globl	fb_fill_vertical_gradient
 932              		.ent	fb_fill_vertical_gradient
 933              		.type	fb_fill_vertical_gradient, @function
 934              	fb_fill_vertical_gradient:
 935              	$LFB7:
 119:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 	}
 120:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** }
 121:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 
 122:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** void fb_fill_vertical_gradient(FRAME_BUFFER_ADDRESS address, const FRAME_BUFFER_INFO* info, uint8 a
 123:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** {
 936              		.loc 1 123 0
 937              		.frame	$sp,120,$31		# vars= 80, regs= 9/0, args= 0, gp= 0
 938              		.mask	0x40ff0000,-8
 939              		.fmask	0x00000000,0
 940              		.set	noreorder
 941              		.set	nomacro
 942              		
 943 08f8 88FFBD27 		addiu	$sp,$sp,-120
 944              	$LCFI18:
 945 08fc 9000A893 		lbu	$8,144($sp)
 946 0900 7000BEAF 		sw	$fp,112($sp)
 947              	$LCFI19:
 948 0904 6C00B7AF 		sw	$23,108($sp)
 949              	$LCFI20:
 950 0908 5400B1AF 		sw	$17,84($sp)
 951              	$LCFI21:
 952 090c 5000B0AF 		sw	$16,80($sp)
 953              	$LCFI22:
 954 0910 6800B6AF 		sw	$22,104($sp)
 955              	$LCFI23:
 956 0914 6400B5AF 		sw	$21,100($sp)
 957              	$LCFI24:
 958 0918 6000B4AF 		sw	$20,96($sp)
 959              	$LCFI25:
 960 091c 5C00B3AF 		sw	$19,92($sp)
 961              	$LCFI26:
 962 0920 5800B2AF 		sw	$18,88($sp)
 963              	$LCFI27:
GAS LISTING /tmp/cc7wtJ5I.s 			page 25


 124:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 	int x, y, fb_index;
 125:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 	int height = info->height;
 964              		.loc 1 125 0
 965 0924 4400A38C 		lw	$3,68($5)
 966              		.loc 1 123 0
 967 0928 FF00D130 		andi	$17,$6,0x00ff
 968 092c 2168A000 		move	$13,$5
 126:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 	int height_scale = 100;
 969              		.loc 1 126 0
 970 0930 64000F24 		li	$15,100			# 0x64
 127:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 	//We have to scale up the height in order to get the necessary resolution to do a clean gradient
 128:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 	int scaled_height = height * height_scale;
 129:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 
 130:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 	//calculate how many color shades to increment/decrement with each pixel.
 131:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 	int a_delta = (a2 > a1) ? (a2 - a1) : (a1 - a2);			//compute the delta between the two colors
 971              		.loc 1 131 0
 972 0934 2B502802 		sltu	$10,$17,$8
 973 0938 23281101 		subu	$5,$8,$17
 974 093c 23102802 		subu	$2,$17,$8
 975              		.loc 1 123 0
 976 0940 FF00F830 		andi	$24,$7,0x00ff
 977              		.loc 1 128 0
 978 0944 02706F70 		mul	$14,$3,$15
 979              		.loc 1 131 0
 980 0948 0A284A00 		movz	$5,$2,$10
 981              		.loc 1 123 0
 982 094c 21F08000 		move	$fp,$4
 983 0950 8800B993 		lbu	$25,136($sp)
 984 0954 8C00B093 		lbu	$16,140($sp)
 985 0958 9400A693 		lbu	$6,148($sp)
 986 095c 9800A793 		lbu	$7,152($sp)
 987 0960 9C00A993 		lbu	$9,156($sp)
 132:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 	int a_mod = (a1 == a2) ? 0 : scaled_height / a_delta;		//compute the number of color changes neede
 988              		.loc 1 132 0
 989 0964 06002812 		beq	$17,$8,$L101
 990 0968 21B80000 		move	$23,$0
 991              	
 992 096c 1A00C501 		div	$0,$14,$5
 993 0970 0200A014 		bne	$5,$0,1f
 994 0974 00000000 		nop
 995 0978 0D000700 		break	7
 996              	1:
 997 097c 12B80000 		mflo	$23
 998              	$L101:
 133:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 	if((a2 != a1) && scaled_height % a_delta != 0)				//if not an even division, round up one so we do
 134:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 		a_mod++;
 999              		.loc 1 134 0
 1000              		.loc 1 133 0
 1001 0980 07001111 		beq	$8,$17,$L102
 1002 0984 0100E326 		addiu	$3,$23,1
 1003              	
 1004 0988 1A00C501 		div	$0,$14,$5
 1005 098c 0200A014 		bne	$5,$0,1f
 1006 0990 00000000 		nop
 1007 0994 0D000700 		break	7
 1008              	1:
 1009 0998 10100000 		mfhi	$2
GAS LISTING /tmp/cc7wtJ5I.s