dprintf.lst

au1200下的boot代码

 444 0324 09F8A002 		jal	$21
 445 0328 0400F726 		addiu	$23,$23,4
 446              	
 447              		.loc 1 100 0
 448 032c FFFF3126 		addiu	$17,$17,-1
 449              		.loc 1 97 0
 450 0330 5B000008 		j	$L18
 451 0334 21800000 		move	$16,$0
 452              	
 453              		.set	macro
 454              		.set	reorder
 455              	$LFE3:
 456              		.end	printf
 457              		.align	2
 458              		.globl	sprintf
 459              		.ent	sprintf
 460              		.type	sprintf, @function
 461              	sprintf:
 462              	$LFB4:
 149:/mnt/hgfs/boot/booter/source/dprintf.c **** }
 150:/mnt/hgfs/boot/booter/source/dprintf.c **** 
 151:/mnt/hgfs/boot/booter/source/dprintf.c **** void
GAS LISTING /tmp/ccybp2uc.s 			page 12


 152:/mnt/hgfs/boot/booter/source/dprintf.c **** sprintf (char *out, const char *fmt,...)
 153:/mnt/hgfs/boot/booter/source/dprintf.c **** {
 463              		.loc 1 153 0
 464              		.frame	$sp,96,$31		# vars= 40, regs= 10/0, args= 16, gp= 0
 465              		.mask	0xc0ff0000,-4
 466              		.fmask	0x00000000,0
 467              		.set	noreorder
 468              		.set	nomacro
 469              		
 470 0338 A0FFBD27 		addiu	$sp,$sp,-96
 471              	$LCFI11:
 472 033c 4C00B5AF 		sw	$21,76($sp)
 473              	$LCFI12:
 474 0340 4400B3AF 		sw	$19,68($sp)
 475              	$LCFI13:
 476 0344 3C00B1AF 		sw	$17,60($sp)
 477              	$LCFI14:
 478 0348 3800B0AF 		sw	$16,56($sp)
 479              	$LCFI15:
 480 034c 5C00BFAF 		sw	$31,92($sp)
 481              	$LCFI16:
 482 0350 5800BEAF 		sw	$fp,88($sp)
 483              	$LCFI17:
 484 0354 5400B7AF 		sw	$23,84($sp)
 485              	$LCFI18:
 486 0358 5000B6AF 		sw	$22,80($sp)
 487              	$LCFI19:
 488 035c 4800B4AF 		sw	$20,72($sp)
 489              	$LCFI20:
 490 0360 4000B2AF 		sw	$18,64($sp)
 491              	$LCFI21:
 492              		.loc 1 153 0
 493 0364 2188A000 		move	$17,$5
 154:/mnt/hgfs/boot/booter/source/dprintf.c **** 	va_list		argp;
 155:/mnt/hgfs/boot/booter/source/dprintf.c **** 	int			*i;
 156:/mnt/hgfs/boot/booter/source/dprintf.c **** 	char		*charp;
 157:/mnt/hgfs/boot/booter/source/dprintf.c **** 	int			f1, pbi, ival;
 158:/mnt/hgfs/boot/booter/source/dprintf.c **** 	int			lzflag, rjust;
 159:/mnt/hgfs/boot/booter/source/dprintf.c **** 	int			c;
 160:/mnt/hgfs/boot/booter/source/dprintf.c **** 	char		pbuf[40];
 161:/mnt/hgfs/boot/booter/source/dprintf.c **** 	int			col;
 162:/mnt/hgfs/boot/booter/source/dprintf.c **** 
 163:/mnt/hgfs/boot/booter/source/dprintf.c **** 	va_start(argp,fmt);
 164:/mnt/hgfs/boot/booter/source/dprintf.c **** 	col = 0;
 165:/mnt/hgfs/boot/booter/source/dprintf.c **** 	while( c = *fmt++ )
 166:/mnt/hgfs/boot/booter/source/dprintf.c **** 	{
 167:/mnt/hgfs/boot/booter/source/dprintf.c **** 		if( c == '%' )
 168:/mnt/hgfs/boot/booter/source/dprintf.c **** 		{
 169:/mnt/hgfs/boot/booter/source/dprintf.c **** 			f1 = 0;
 170:/mnt/hgfs/boot/booter/source/dprintf.c **** 			c = *fmt++;
 171:/mnt/hgfs/boot/booter/source/dprintf.c **** 			if( c == '-' )
 172:/mnt/hgfs/boot/booter/source/dprintf.c **** 			{
 173:/mnt/hgfs/boot/booter/source/dprintf.c **** 				rjust = 1;
 174:/mnt/hgfs/boot/booter/source/dprintf.c **** 				c = *fmt++;
 175:/mnt/hgfs/boot/booter/source/dprintf.c **** 			}
 176:/mnt/hgfs/boot/booter/source/dprintf.c **** 			lzflag = (c == '0');
 177:/mnt/hgfs/boot/booter/source/dprintf.c **** 			while( isdigit(c) )
GAS LISTING /tmp/ccybp2uc.s 			page 13


 178:/mnt/hgfs/boot/booter/source/dprintf.c **** 			{
 179:/mnt/hgfs/boot/booter/source/dprintf.c **** 				f1 = f1 * 10 + c - '0';
 180:/mnt/hgfs/boot/booter/source/dprintf.c **** 				c = *fmt++;
 181:/mnt/hgfs/boot/booter/source/dprintf.c **** 			}
 182:/mnt/hgfs/boot/booter/source/dprintf.c **** 
 183:/mnt/hgfs/boot/booter/source/dprintf.c **** 			if( c == 'x' )
 184:/mnt/hgfs/boot/booter/source/dprintf.c **** 			{
 185:/mnt/hgfs/boot/booter/source/dprintf.c **** 				i = (int *)va_arg(argp,int);
 186:/mnt/hgfs/boot/booter/source/dprintf.c **** 				pbi = fmtnum(pbuf,(int)i,16,"0123456789abcdef");
 187:/mnt/hgfs/boot/booter/source/dprintf.c **** 			}
 188:/mnt/hgfs/boot/booter/source/dprintf.c **** 			else if( c == 'X' )
 189:/mnt/hgfs/boot/booter/source/dprintf.c **** 			{
 190:/mnt/hgfs/boot/booter/source/dprintf.c **** 				i = (int *)va_arg(argp,int);
 191:/mnt/hgfs/boot/booter/source/dprintf.c **** 				pbi = fmtnum(pbuf,(int)i,16,"0123456789ABCDEF");
 192:/mnt/hgfs/boot/booter/source/dprintf.c **** 			}
 193:/mnt/hgfs/boot/booter/source/dprintf.c **** 			else if( c == 'd' || c == 'D' )
 194:/mnt/hgfs/boot/booter/source/dprintf.c **** 			{
 195:/mnt/hgfs/boot/booter/source/dprintf.c **** 				i = (int *)va_arg(argp,int);
 196:/mnt/hgfs/boot/booter/source/dprintf.c **** 				ival = (int)i;
 197:/mnt/hgfs/boot/booter/source/dprintf.c **** 				if( ival < 0 )
 198:/mnt/hgfs/boot/booter/source/dprintf.c **** 				{
 199:/mnt/hgfs/boot/booter/source/dprintf.c **** 					*out++ = '-';
 200:/mnt/hgfs/boot/booter/source/dprintf.c **** 					ival = -ival;
 201:/mnt/hgfs/boot/booter/source/dprintf.c **** 					++col;
 202:/mnt/hgfs/boot/booter/source/dprintf.c **** 				}
 203:/mnt/hgfs/boot/booter/source/dprintf.c **** 				pbi = fmtnum(pbuf,ival,10,"0123456789");
 204:/mnt/hgfs/boot/booter/source/dprintf.c **** 			}
 205:/mnt/hgfs/boot/booter/source/dprintf.c **** 			else if( c == 'c' )
 206:/mnt/hgfs/boot/booter/source/dprintf.c **** 			{
 207:/mnt/hgfs/boot/booter/source/dprintf.c **** 				i = (int *)va_arg(argp,int);
 208:/mnt/hgfs/boot/booter/source/dprintf.c **** 				pbi = 0;
 209:/mnt/hgfs/boot/booter/source/dprintf.c **** 				*out++ = *i;
 210:/mnt/hgfs/boot/booter/source/dprintf.c **** 				++col;
 211:/mnt/hgfs/boot/booter/source/dprintf.c **** 				--f1;
 212:/mnt/hgfs/boot/booter/source/dprintf.c **** 			}
 213:/mnt/hgfs/boot/booter/source/dprintf.c **** 			else if( c == 's' || c == 'S' )
 214:/mnt/hgfs/boot/booter/source/dprintf.c **** 			{
 215:/mnt/hgfs/boot/booter/source/dprintf.c **** 				i = (int *)va_arg(argp,int);
 216:/mnt/hgfs/boot/booter/source/dprintf.c **** 				pbi = 0;
 217:/mnt/hgfs/boot/booter/source/dprintf.c **** 				charp = (char *)(i);
 218:/mnt/hgfs/boot/booter/source/dprintf.c **** 				while( *charp )
 219:/mnt/hgfs/boot/booter/source/dprintf.c **** 				{
 220:/mnt/hgfs/boot/booter/source/dprintf.c **** 					*out++ = *charp++;
 221:/mnt/hgfs/boot/booter/source/dprintf.c **** 					++col;
 222:/mnt/hgfs/boot/booter/source/dprintf.c **** 					--f1;
 223:/mnt/hgfs/boot/booter/source/dprintf.c **** 				}
 224:/mnt/hgfs/boot/booter/source/dprintf.c **** 			}
 225:/mnt/hgfs/boot/booter/source/dprintf.c **** 			else if( c == 't' || c == 'T' )
 226:/mnt/hgfs/boot/booter/source/dprintf.c **** 			{
 227:/mnt/hgfs/boot/booter/source/dprintf.c **** 				pbi = 0;
 228:/mnt/hgfs/boot/booter/source/dprintf.c **** 				while( col < f1 )
 229:/mnt/hgfs/boot/booter/source/dprintf.c **** 				{
 230:/mnt/hgfs/boot/booter/source/dprintf.c **** 					*out++ = ' ';
 231:/mnt/hgfs/boot/booter/source/dprintf.c **** 					++col;
 232:/mnt/hgfs/boot/booter/source/dprintf.c **** 				}
 233:/mnt/hgfs/boot/booter/source/dprintf.c **** 				f1 = 0;
 234:/mnt/hgfs/boot/booter/source/dprintf.c **** 			}
GAS LISTING /tmp/ccybp2uc.s 			page 14


 235:/mnt/hgfs/boot/booter/source/dprintf.c **** 
 236:/mnt/hgfs/boot/booter/source/dprintf.c **** 			f1 -= pbi;
 237:/mnt/hgfs/boot/booter/source/dprintf.c **** 			while( f1 > 0 )
 238:/mnt/hgfs/boot/booter/source/dprintf.c **** 			{
 239:/mnt/hgfs/boot/booter/source/dprintf.c **** 				if( lzflag )
 240:/mnt/hgfs/boot/booter/source/dprintf.c **** 					*out++ = '0';
 241:/mnt/hgfs/boot/booter/source/dprintf.c **** 				else
 242:/mnt/hgfs/boot/booter/source/dprintf.c **** 					*out++ = ' ';
 243:/mnt/hgfs/boot/booter/source/dprintf.c **** 				++col;
 244:/mnt/hgfs/boot/booter/source/dprintf.c **** 				--f1;
 245:/mnt/hgfs/boot/booter/source/dprintf.c **** 			}
 246:/mnt/hgfs/boot/booter/source/dprintf.c **** 
 247:/mnt/hgfs/boot/booter/source/dprintf.c **** 			while( pbi > 0 )
 248:/mnt/hgfs/boot/booter/source/dprintf.c **** 			{
 249:/mnt/hgfs/boot/booter/source/dprintf.c **** 				*out++ = pbuf[--pbi];
 250:/mnt/hgfs/boot/booter/source/dprintf.c **** 				++col;
 251:/mnt/hgfs/boot/booter/source/dprintf.c **** 			}
 252:/mnt/hgfs/boot/booter/source/dprintf.c **** 		}
 253:/mnt/hgfs/boot/booter/source/dprintf.c **** 		else
 254:/mnt/hgfs/boot/booter/source/dprintf.c **** 		{
 255:/mnt/hgfs/boot/booter/source/dprintf.c **** 			*out++ = c;
 256:/mnt/hgfs/boot/booter/source/dprintf.c **** 			++col;
 494              		.loc 1 256 0
 495 0368 0000A580 		lb	$5,0($5)
 496              		.loc 1 153 0
 497 036c 21808000 		move	$16,$4
 498 0370 6800A6AF 		sw	$6,104($sp)
 499 0374 6C00A7AF 		sw	$7,108($sp)
 500              		.loc 1 256 0
 501 0378 01003126 		addiu	$17,$17,1
 502              		.loc 1 163 0
 503 037c 6800B527 		addiu	$21,$sp,104
 504              		.loc 1 164 0
 505              		.loc 1 256 0
 506 0380 4300A010 		beq	$5,$0,$L117
 507 0384 21980000 		move	$19,$0
 508              	
 509 0388 2D001E24 		li	$fp,45			# 0x2d
 510 038c FCFF1724 		li	$23,-4			# 0xfffffffffffffffc
 511 0390 EC000008 		j	$L115
 512 0394 1000B627 		addiu	$22,$sp,16
 513              	
 514              	$L80:
 515              		.loc 1 255 0
 516 0398 000005A2 		sb	$5,0($16)
 517              		.loc 1 256 0
 518 039c 01007326 		addiu	$19,$19,1
 519              		.loc 1 255 0
 520 03a0 01001026 		addiu	$16,$16,1
 521              		.loc 1 256 0
 522 03a4 00002582 		lb	$5,0($17)
 523              	$L140:
 524 03a8 3900A010 		beq	$5,$0,$L117
 525 03ac 01003126 		addiu	$17,$17,1
 526              	
 527              	$L115:
 528              		.loc 1 167 0
GAS LISTING /tmp/ccybp2uc.s 			page 15


 529 03b0 25000224 		li	$2,37			# 0x25
 530              		.loc 1 169 0
 531              		.loc 1 167 0
 532 03b4 F8FFA214 		bne	$5,$2,$L80
 533 03b8 21900000 		move	$18,$0
 534              	
 535              		.loc 1 170 0
 536 03bc 00002582 		lb	$5,0($17)
 537              		.loc 1 171 0
 538 03c0 3000BE10 		beq	$5,$fp,$L132
 539 03c4 01003126 		addiu	$17,$17,1
 540              	
 541              	$L81:
 542              		.loc 1 180 0
 543 03c8 D0FFA224 		addiu	$2,$5,-48
 544              		.loc 1 176 0
 545 03cc 3000A338 		xori	$3,$5,0x30
 546              		.loc 1 180 0
 547 03d0 0A00422C 		sltu	$2,$2,10
 548              		.loc 1 176 0
 549 03d4 FF000008 		j	$L128
 550 03d8 0100742C 		sltu	$20,$3,1
 551              	
 552              	$L133:
 553              		.loc 1 179 0
 554 03dc 21105200 		addu	$2,$2,$18
 555 03e0 40100200 		sll	$2,$2,1
 556 03e4 21104500 		addu	$2,$2,$5
 557              		.loc 1 180 0
 558 03e8 00002582 		lb	$5,0($17)
 559              		.loc 1 179 0
 560 03ec D0FF5224 		addiu	$18,$2,-48
 561              		.loc 1 180 0
 562 03f0 01003126 		addiu	$17,$17,1
 563 03f4 D0FFA224 		addiu	$2,$5,-48
 564 03f8 0A00422C 		sltu	$2,$2,10
 565              	$L128:
 566              		.loc 1 179 0
 567              		.loc 1 180 0
 568 03fc F7FF4014 		bne	$2,$0,$L133
 569 0400 80101200 		sll	$2,$18,2
 570              	
 571              		.loc 1 183 0
 572 0404 78000224 		li	$2,120			# 0x78
 573              		.loc 1 188 0
 574              		.loc 1 183 0
 575 0408 5600A210 		beq	$5,$2,$L134
 576 040c 58000224 		li	$2,88			# 0x58
 577              	
 578              		.loc 1 193 0
 579              		.loc 1 188 0
 580 0410 6F00A210 		beq	$5,$2,$L135
 581 0414 64000224 		li	$2,100			# 0x64
 582              	
 583              		.loc 1 193 0
 584 0418 2A00A210 		beq	$5,$2,$L90
 585 041c 44000224 		li	$2,68			# 0x44
GAS LISTING /tmp/ccybp2uc.s 			page 16


 586              	
 587              		.loc 1 205 0
 588              		.loc 1 193 0
 589 0420 2800A210 		beq	$5,$2,$L90
 590 0424 63000224 		li	$2,99			# 0x63
 591              	
 592              		.loc 1 213 0
 593              		.loc 1 205 0
 594 0428 6F00A210 		beq	$5,$2,$L136
 595 042c 73000224 		li	$2,115			# 0x73
 596              	
 597              		.loc 1 215 0
 598              		.loc 1 213 0
 599 0430 5700A210 		beq	$5,$2,$L142
 600 0434 0300A226 		addiu	$2,$21,3
 601              	
 602 0438 53000224 		li	$2,83			# 0x53
 603              		.loc 1 215 0
 604              		.loc 1 213 0
 605 043c 5400A210 		beq	$5,$2,$L96
 606 0440 0300A226 		addiu	$2,$21,3
 607              	
 608              		.loc 1 225 0
 609 0444 74000224 		li	$2,116			# 0x74
 610 0448 0300A210 		beq	$5,$2,$L102
 611 044c 54000224 		li	$2,84			# 0x54
 612              	
 613 0450 2C00A214 		bne	$5,$2,$L86
 614 0454 00000000 		nop
 615              	
 616              	$L102:
 617              		.loc 1 231 0
 618 0458 2A107202 		slt	$2,$19,$18
 619              		.loc 1 227 0
 620              		.loc 1 231 0
 621 045c 07004010 		beq	$2,$0,$L123
 622 0460 21400000 		move	$8,$0
 623              	
 624 0464 20000324 		li	$3,32
 625              	$L105:
 626 0468 01007326 		addiu	$19,$19,1
 627 046c 2A107202 		slt	$2,$19,$18
 628              		.loc 1 230 0
 629 0470 000003A2 		sb	$3,0($16)
 630              		.loc 1 231 0
 631 0474 FCFF4014 		bne	$2,$0,$L105
 632 0478 01001026 		addiu	$16,$16,1
 633              	
 634              	$L123:
 635              		.loc 1 233 0
 636 047c 41010008 		j	$L86
 637 0480 21900000 		move	$18,$0
 638              	
 639              	$L132: