fat.lst

au1200下的boot代码

 773 05ac 0800628C 		lw	$2,%lo(fatDiskFunctions+8)($3)
 774              		.loc 1 250 0
 775 05b0 0000103C 		lui	$16,%hi(fatTableCache)
 776              		.loc 1 251 0
 777 05b4 01008424 		addiu	$4,$4,1
 778              		.loc 1 250 0
 779 05b8 00000626 		addiu	$6,$16,%lo(fatTableCache)
 780 05bc 21186602 		addu	$3,$19,$6
 781              		.loc 1 251 0
 782 05c0 000044AE 		sw	$4,%lo(fatCachedSector)($18)
 783              		.loc 1 252 0
 784 05c4 2120A400 		addu	$4,$5,$4
 785 05c8 01000524 		li	$5,1			# 0x1
 786              		.loc 1 250 0
 787              		.loc 1 252 0
 788 05cc 09F84000 		jal	$2
 789 05d0 00007490 		lbu	$20,0($3)
 790              	
 791              		.loc 1 253 0
 792 05d4 00000392 		lbu	$3,%lo(fatTableCache)($16)
 793              		.loc 1 259 0
 794 05d8 0100A432 		andi	$4,$21,0x1
 795              		.loc 1 253 0
 796 05dc 001A0300 		sll	$3,$3,8
 797 05e0 25A08302 		or	$20,$20,$3
 798              		.loc 1 260 0
 799 05e4 03111400 		sra	$2,$20,4
 800 05e8 FF0F8332 		andi	$3,$20,0xfff
 801 05ec 21A04000 		move	$20,$2
 802 05f0 5D010008 		j	$L51
 803 05f4 0AA06400 		movz	$20,$3,$4
 804              	
 805              		.set	macro
 806              		.set	reorder
 807              	$LFE5:
 808              		.end	getNextCluster
 809              		.align	2
 810              		.globl	toUpper
 811              		.ent	toUpper
 812              		.type	toUpper, @function
 813              	toUpper:
 814              	$LFB6:
 274:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 
 275:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** char toUpper(char c)
 276:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** {
 815              		.loc 1 276 0
 816              		.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
 817              		.mask	0x00000000,0
 818              		.fmask	0x00000000,0
 819              		.set	noreorder
 820              		.set	nomacro
 821              		
GAS LISTING /tmp/ccZKkRKo.s 			page 22


 822              		.loc 1 276 0
 823 05f8 00260400 		sll	$4,$4,24
 824 05fc 03260400 		sra	$4,$4,24
 277:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 	return (c <= 'z' && c >= 'a') ? c - 0x20 : c;
 825              		.loc 1 277 0
 826 0600 9FFF8224 		addiu	$2,$4,-97
 827 0604 FF004230 		andi	$2,$2,0x00ff
 828 0608 1A00422C 		sltu	$2,$2,26
 829 060c 03004010 		beq	$2,$0,$L56
 830 0610 E0FF8324 		addiu	$3,$4,-32
 831              	
 832 0614 00260300 		sll	$4,$3,24
 833 0618 03260400 		sra	$4,$4,24
 834              	$L56:
 278:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** }
 835              		.loc 1 278 0
 836 061c 0800E003 		j	$31
 837 0620 21108000 		move	$2,$4
 838              	
 839              		.set	macro
 840              		.set	reorder
 841              	$LFE6:
 842              		.end	toUpper
 843              		.align	2
 844              		.globl	compareFileName
 845              		.ent	compareFileName
 846              		.type	compareFileName, @function
 847              	compareFileName:
 848              	$LFB7:
 279:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 
 280:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** int compareFileName(char fatName[8], char fatExt[3], const char* searchName)
 281:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** {
 849              		.loc 1 281 0
 850              		.frame	$sp,48,$31		# vars= 0, regs= 7/0, args= 16, gp= 0
 851              		.mask	0x803f0000,-8
 852              		.fmask	0x00000000,0
 853              		.set	noreorder
 854              		.set	nomacro
 855              		
 282:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 	int i, j;
 283:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 	int period = 0;
 284:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 
 285:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 	DPRINTF("\n");
 286:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 	#if defined(_DEBUG)
 287:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 		printf("Search Name: %s\n", searchName);
 288:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 		printf("Fat Name: ");
 289:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 		for(i = 0; i < 8; ++i)
 290:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 			printf("%c", fatName[i]);
 291:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 		printf(".");
 292:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 		for(i = 0; i < 3; ++i)
 293:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 			printf("%c", fatExt[i]);
 294:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 		printf("\n");
 295:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 	#endif
 296:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 
 297:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 
 298:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 	for(i = 0; i < 13 && searchName[i] != 0; ++i)
 856              		.loc 1 298 0
GAS LISTING /tmp/ccZKkRKo.s 			page 23


 857 0624 0000C280 		lb	$2,0($6)
 858              		.loc 1 281 0
 859 0628 D0FFBD27 		addiu	$sp,$sp,-48
 860              	$LCFI19:
 861 062c 2400B5AF 		sw	$21,36($sp)
 862              	$LCFI20:
 863 0630 2000B4AF 		sw	$20,32($sp)
 864              	$LCFI21:
 865 0634 1C00B3AF 		sw	$19,28($sp)
 866              	$LCFI22:
 867 0638 1800B2AF 		sw	$18,24($sp)
 868              	$LCFI23:
 869 063c 1400B1AF 		sw	$17,20($sp)
 870              	$LCFI24:
 871 0640 2800BFAF 		sw	$31,40($sp)
 872              	$LCFI25:
 873 0644 1000B0AF 		sw	$16,16($sp)
 874              	$LCFI26:
 875              		.loc 1 281 0
 876 0648 2198C000 		move	$19,$6
 877 064c 21A08000 		move	$20,$4
 878 0650 21A8A000 		move	$21,$5
 879              		.loc 1 283 0
 880 0654 21900000 		move	$18,$0
 881              		.loc 1 298 0
 882 0658 0D004010 		beq	$2,$0,$L59
 883 065c 21880000 		move	$17,$0
 884              	
 885 0660 2118C000 		move	$3,$6
 886 0664 2E000424 		li	$4,46			# 0x2e
 299:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 		if(searchName[i] == '.')
 887              		.loc 1 299 0
 888 0668 00006280 		lb	$2,0($3)
 300:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 			period = i;
 889              		.loc 1 300 0
 890 066c 26104400 		xor	$2,$2,$4
 891              	$L104:
 892 0670 0A902202 		movz	$18,$17,$2
 893              		.loc 1 298 0
 894 0674 01003126 		addiu	$17,$17,1
 895 0678 0D00222A 		slt	$2,$17,13
 896 067c 04004010 		beq	$2,$0,$L59
 897 0680 21187102 		addu	$3,$19,$17
 898              	
 899 0684 00006280 		lb	$2,0($3)
 900              		.loc 1 300 0
 901              		.loc 1 298 0
 902 0688 F9FF4014 		bne	$2,$0,$L104
 903 068c 26104400 		xor	$2,$2,$4
 904              	
 905              	$L59:
 301:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 
 302:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 	if(period > 0 && period < 9 && searchName[i] == 0)
 906              		.loc 1 302 0
 907 0690 FFFF4226 		addiu	$2,$18,-1
 908 0694 0800422C 		sltu	$2,$2,8
 909 0698 42004010 		beq	$2,$0,$L63
GAS LISTING /tmp/ccZKkRKo.s 			page 24


 910 069c 21107102 		addu	$2,$19,$17
 911              	
 912 06a0 00004380 		lb	$3,0($2)
 303:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 	{
 304:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 		//compare names
 305:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 		for(i = 0; i < period; ++i)
 306:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 			if(fatName[i] != toUpper(searchName[i]))
 307:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 				return fatName[i] < toUpper(searchName[i]) ? -1 : 1;
 308:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 
 309:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 		for(; i < 8; ++i)
 310:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 			if(fatName[i] != ' ')
 311:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 				return -1;
 312:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 	
 313:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 		//compare extentions
 314:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 		for(i = 0, j = period+1; searchName[j] != 0; ++i, ++j)
 315:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 			if(fatExt[i] != toUpper(searchName[j]))
 316:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 				return fatExt[i] < toUpper(searchName[j]) ? -1 : 1;
 317:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 
 318:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 		for(; i < 3; ++i)
 319:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 			if(fatExt[i] != ' ')
 320:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 				return -1;
 321:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 
 322:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 		return 0;
 323:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 	}
 324:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 
 325:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** 	return -1; 
 326:/mnt/hgfs/boot/booter/source/applications/booter/fat.c **** }
 913              		.loc 1 326 0
 914              		.loc 1 302 0
 915 06a4 40006014 		bne	$3,$0,$L105
 916 06a8 2800BF8F 		lw	$31,40($sp)
 917              	
 918              		.loc 1 305 0
 919 06ac 0E00401A 		blez	$18,$L99
 920 06b0 21880000 		move	$17,$0
 921              	
 922              		.loc 1 306 0
 923 06b4 21107102 		addu	$2,$19,$17
 924              	$L106:
 925 06b8 00004480 		lb	$4,0($2)
 926 06bc 21809102 		addu	$16,$20,$17
 927              		.loc 1 305 0
 928              		.loc 1 306 0
 929 06c0 0000000C 		jal	toUpper
 930 06c4 01003126 		addiu	$17,$17,1
 931              	
 932 06c8 00000382 		lb	$3,0($16)
 933              		.loc 1 305 0
 934              		.loc 1 306 0
 935 06cc 40006214 		bne	$3,$2,$L103
 936 06d0 2A203202 		slt	$4,$17,$18
 937              	
 938              		.loc 1 305 0
 939 06d4 F8FF8014 		bne	$4,$0,$L106
 940 06d8 21107102 		addu	$2,$19,$17
 941              	
 942              		.loc 1 309 0
GAS LISTING /tmp/ccZKkRKo.s 			page 25


 943 06dc 0800222A 		slt	$2,$17,8
 944 06e0 09004010 		beq	$2,$0,$L92
 945 06e4 00000000 		nop
 946              	
 947              	$L99:
 948 06e8 20000424 		li	$4,32			# 0x20
 949              		.loc 1 310 0
 950 06ec 21109102 		addu	$2,$20,$17
 951              	$L107:
 952 06f0 00004380 		lb	$3,0($2)
 953              		.loc 1 309 0
 954 06f4 01003126 		addiu	$17,$17,1
 955              		.loc 1 310 0
 956 06f8 2A006414 		bne	$3,$4,$L63
 957 06fc 0800222A 		slt	$2,$17,8
 958              	
 959              		.loc 1 309 0
 960 0700 FBFF4014 		bne	$2,$0,$L107
 961 0704 21109102 		addu	$2,$20,$17
 962              	
 963              	$L92:
 964              		.loc 1 314 0
 965 0708 01005226 		addiu	$18,$18,1
 966 070c 21207202 		addu	$4,$19,$18
 967 0710 00008490 		lbu	$4,0($4)
 968 0714 10008010 		beq	$4,$0,$L100
 969 0718 21880000 		move	$17,$0
 970              	
 971              		.loc 1 315 0
 972 071c 00260400 		sll	$4,$4,24
 973              	$L108:
 974 0720 03260400 		sra	$4,$4,24
 975 0724 0000000C 		jal	toUpper
 976 0728 2180B102 		addu	$16,$21,$17
 977              	
 978 072c 00000382 		lb	$3,0($16)
 979              		.loc 1 314 0
 980 0730 01005226 		addiu	$18,$18,1
 981 0734 21207202 		addu	$4,$19,$18
 982              		.loc 1 315 0
 983 0738 25006214 		bne	$3,$2,$L103
 984 073c 01003126 		addiu	$17,$17,1
 985              	
 986              		.loc 1 314 0
 987 0740 00008490 		lbu	$4,0($4)
 988              		.loc 1 315 0
 989              		.loc 1 314 0
 990 0744 F6FF8014 		bne	$4,$0,$L108
 991 0748 00260400 		sll	$4,$4,24
 992              	
 993              		.loc 1 318 0
 994 074c 0300222A 		slt	$2,$17,3
 995              		.loc 1 326 0
 996              		.loc 1 318 0
 997 0750 0A004010 		beq	$2,$0,$L109
 998 0754 2800BF8F 		lw	$31,40($sp)
 999              	
GAS LISTING /tmp/ccZKkRKo.s 			page 26


 1000              	$L100:
 1001 0758 20000424 		li	$4,32			# 0x20
 1002              		.loc 1 319 0
 1003 075c 2110B102 		addu	$2,$21,$17
 1004              	$L110:
 1005 0760 000