uart.lst

au1200下的boot代码

 286 01e8 1C00628C 		lw	$2,28($3)
 528:/mnt/hgfs/boot/booter/source/uart.c **** 		return TRUE;
 287              		.loc 1 528 0
 529:/mnt/hgfs/boot/booter/source/uart.c **** 	else
 530:/mnt/hgfs/boot/booter/source/uart.c **** 		return FALSE;
 531:/mnt/hgfs/boot/booter/source/uart.c **** }
 288              		.loc 1 531 0
 289 01ec 0800E003 		j	$31
 290 01f0 01004230 		andi	$2,$2,0x1
 291              	
 292              		.set	macro
 293              		.set	reorder
 294              	$LFE5:
 295              		.end	uartCheckChar
 296              		.align	2
 297              		.globl	uartSetClkDivisor
 298              		.ent	uartSetClkDivisor
 299              		.type	uartSetClkDivisor, @function
 300              	uartSetClkDivisor:
 301              	$LFB6:
 532:/mnt/hgfs/boot/booter/source/uart.c **** 
 533:/mnt/hgfs/boot/booter/source/uart.c **** int		uartSetClkDivisor(int uartNumber, int cpu_speed, int bus_mult, int baudrate)
 534:/mnt/hgfs/boot/booter/source/uart.c **** {
 302              		.loc 1 534 0
 303              		.frame	$sp,24,$31		# vars= 0, regs= 2/0, args= 16, gp= 0
 304              		.mask	0x80010000,-4
 305              		.fmask	0x00000000,0
 306              		.set	noreorder
 307              		.set	nomacro
 308              		
 309 01f4 E8FFBD27 		addiu	$sp,$sp,-24
 310              	$LCFI6:
 311 01f8 1400BFAF 		sw	$31,20($sp)
 312              	$LCFI7:
 313 01fc 1000B0AF 		sw	$16,16($sp)
 314              	$LCFI8:
 535:/mnt/hgfs/boot/booter/source/uart.c **** 	AU1000_UART *uart;
 536:/mnt/hgfs/boot/booter/source/uart.c **** 	int		clkdiv;
 537:/mnt/hgfs/boot/booter/source/uart.c **** 
GAS LISTING /tmp/cc4XVykA.s 			page 16


 538:/mnt/hgfs/boot/booter/source/uart.c **** 	switch (uartNumber)
 539:/mnt/hgfs/boot/booter/source/uart.c **** 	{
 540:/mnt/hgfs/boot/booter/source/uart.c **** #ifdef UART0_PHYS_ADDR
 541:/mnt/hgfs/boot/booter/source/uart.c **** 		case 0: uart = (AU1000_UART *)KSEG1(UART0_PHYS_ADDR); break;
 315              		.loc 1 541 0
 316              		.loc 1 538 0
 317 0200 08008010 		beq	$4,$0,$L35
 318 0204 10B1033C 		li	$3,-1324351488			# 0xffffffffb1100000
 319              	
 320 0208 01000224 		li	$2,1			# 0x1
 542:/mnt/hgfs/boot/booter/source/uart.c **** #endif
 543:/mnt/hgfs/boot/booter/source/uart.c **** #ifdef UART1_PHYS_ADDR
 544:/mnt/hgfs/boot/booter/source/uart.c **** 		case 1: uart = (AU1000_UART *)KSEG1(UART1_PHYS_ADDR); break;
 321              		.loc 1 544 0
 322              		.loc 1 538 0
 323 020c 05008210 		beq	$4,$2,$L35
 324 0210 20B1033C 		li	$3,-1323302912			# 0xffffffffb1200000
 325              	
 545:/mnt/hgfs/boot/booter/source/uart.c **** #endif
 546:/mnt/hgfs/boot/booter/source/uart.c **** #ifdef UART2_PHYS_ADDR
 547:/mnt/hgfs/boot/booter/source/uart.c **** 		case 2: uart = (AU1000_UART *)KSEG1(UART2_PHYS_ADDR); break;
 548:/mnt/hgfs/boot/booter/source/uart.c **** #endif
 549:/mnt/hgfs/boot/booter/source/uart.c **** #ifdef UART3_PHYS_ADDR
 550:/mnt/hgfs/boot/booter/source/uart.c **** 		case 3: uart = (AU1000_UART *)KSEG1(UART3_PHYS_ADDR); break;
 551:/mnt/hgfs/boot/booter/source/uart.c **** #endif
 552:/mnt/hgfs/boot/booter/source/uart.c **** 		default:
 553:/mnt/hgfs/boot/booter/source/uart.c **** 			return;
 554:/mnt/hgfs/boot/booter/source/uart.c **** 	}
 555:/mnt/hgfs/boot/booter/source/uart.c **** 
 556:/mnt/hgfs/boot/booter/source/uart.c **** 	clkdiv = (cpu_speed / (bus_mult * baudrate * 4 * 8));
 557:/mnt/hgfs/boot/booter/source/uart.c **** 	uart->clkdiv  = clkdiv;
 558:/mnt/hgfs/boot/booter/source/uart.c **** 	msdelay(10);
 559:/mnt/hgfs/boot/booter/source/uart.c **** 	return clkdiv;
 560:/mnt/hgfs/boot/booter/source/uart.c **** }
 326              		.loc 1 560 0
 327 0214 1400BF8F 		lw	$31,20($sp)
 328 0218 1000B08F 		lw	$16,16($sp)
 329 021c 0800E003 		j	$31
 330 0220 1800BD27 		addiu	$sp,$sp,24
 331              	
 332              	$L35:
 333              		.loc 1 556 0
 334 0224 0280C770 		mul	$16,$6,$7
 335              		.loc 1 558 0
 336 0228 0A000424 		li	$4,10			# 0xa
 337              		.loc 1 556 0
 338 022c 40811000 		sll	$16,$16,5
 339 0230 1A00B000 		div	$0,$5,$16
 340 0234 02000016 		bne	$16,$0,1f
 341 0238 00000000 		nop
 342 023c 0D000700 		break	7
 343              	1:
 344 0240 12800000 		mflo	$16
 345              		.loc 1 557 0
 346 0244 280070AC 		sw	$16,40($3)
 347              		.loc 1 558 0
 348 0248 0000000C 		jal	msdelay
GAS LISTING /tmp/cc4XVykA.s 			page 17


 349 024c 00000000 		nop
 350              	
 351              		.loc 1 559 0
 352 0250 21100002 		move	$2,$16
 353              		.loc 1 560 0
 354 0254 1400BF8F 		lw	$31,20($sp)
 355 0258 1000B08F 		lw	$16,16($sp)
 356 025c 0800E003 		j	$31
 357 0260 1800BD27 		addiu	$sp,$sp,24
 358              	
 359              		.set	macro
 360              		.set	reorder
 361              	$LFE6:
 362              		.end	uartSetClkDivisor
 363              		.section	.debug_frame,"",@progbits
 364              	$Lframe0:
 365 0000 0C000000 		.4byte	$LECIE0-$LSCIE0
 366              	$LSCIE0:
 367 0004 FFFFFFFF 		.4byte	0xffffffff
 368 0008 01       		.byte	0x1
 369 0009 00       		.ascii	"\000"
 370 000a 01       		.uleb128 0x1
 371 000b 04       		.sleb128 4
 372 000c 1F       		.byte	0x1f
 373 000d 0C       		.byte	0xc
 374 000e 1D       		.uleb128 0x1d
 375 000f 00       		.uleb128 0x0
 376              		.align	2
 377              	$LECIE0:
 378              	$LSFDE0:
 379 0010 20000000 		.4byte	$LEFDE0-$LASFDE0
 380              	$LASFDE0:
 381 0014 00000000 		.4byte	$Lframe0
 382 0018 00000000 		.4byte	$LFB2
 383 001c 4C010000 		.4byte	$LFE2-$LFB2
 384 0020 44       		.byte	0x4
 385              		.4byte	$LCFI0-$LFB2
 386 0021 0E       		.byte	0xe
 387 0022 28       		.uleb128 0x28
 388 0023 48       		.byte	0x4
 389              		.4byte	$LCFI2-$LCFI0
 390 0024 11       		.byte	0x11
 391 0025 10       		.uleb128 0x10
 392 0026 7A       		.sleb128 -6
 393 0027 11       		.byte	0x11
 394 0028 13       		.uleb128 0x13
 395 0029 7D       		.sleb128 -3
 396 002a 64       		.byte	0x4
 397              		.4byte	$LCFI5-$LCFI2
 398 002b 11       		.byte	0x11
 399 002c 1F       		.uleb128 0x1f
 400 002d 7E       		.sleb128 -2
 401 002e 11       		.byte	0x11
 402 002f 11       		.uleb128 0x11
 403 0030 7B       		.sleb128 -5
 404 0031 11       		.byte	0x11
 405 0032 12       		.uleb128 0x12
GAS LISTING /tmp/cc4XVykA.s 			page 18


 406 0033 7C       		.sleb128 -4
 407              		.align	2
 408              	$LEFDE0:
 409              	$LSFDE2:
 410 0034 0C000000 		.4byte	$LEFDE2-$LASFDE2
 411              	$LASFDE2:
 412 0038 00000000 		.4byte	$Lframe0
 413 003c 4C010000 		.4byte	$LFB3
 414 0040 3C000000 		.4byte	$LFE3-$LFB3
 415              		.align	2
 416              	$LEFDE2:
 417              	$LSFDE4:
 418 0044 0C000000 		.4byte	$LEFDE4-$LASFDE4
 419              	$LASFDE4:
 420 0048 00000000 		.4byte	$Lframe0
 421 004c 88010000 		.4byte	$LFB4
 422 0050 44000000 		.4byte	$LFE4-$LFB4
 423              		.align	2
 424              	$LEFDE4:
 425              	$LSFDE6:
 426 0054 0C000000 		.4byte	$LEFDE6-$LASFDE6
 427              	$LASFDE6:
 428 0058 00000000 		.4byte	$Lframe0
 429 005c CC010000 		.4byte	$LFB5
 430 0060 28000000 		.4byte	$LFE5-$LFB5
 431              		.align	2
 432              	$LEFDE6:
 433              	$LSFDE8:
 434 0064 18000000 		.4byte	$LEFDE8-$LASFDE8
 435              	$LASFDE8:
 436 0068 00000000 		.4byte	$Lframe0
 437 006c F4010000 		.4byte	$LFB6
 438 0070 70000000 		.4byte	$LFE6-$LFB6
 439 0074 44       		.byte	0x4
 440              		.4byte	$LCFI6-$LFB6
 441 0075 0E       		.byte	0xe
 442 0076 18       		.uleb128 0x18
 443 0077 48       		.byte	0x4
 444              		.4byte	$LCFI8-$LCFI6
 445 0078 11       		.byte	0x11
 446 0079 10       		.uleb128 0x10
 447 007a 7E       		.sleb128 -2
 448 007b 11       		.byte	0x11
 449 007c 1F       		.uleb128 0x1f
 450 007d 7F       		.sleb128 -1
 451 007e 0000     		.align	2
 452              	$LEFDE8:
 453              		.align	0
 454              		.file 2 "/mnt/hgfs/boot/booter/include/example.h"
 455              		.file 3 "/mnt/hgfs/boot/booter/platforms/DB1200/platform.h"
 456              		.file 4 "/mnt/hgfs/boot/booter/include/au1x00.h"
 457              		.text
 458              	$Letext0:
 459 0264 00000000 		.section	.debug_info
 459      00000000 
 459      00000000 
 460 0000 84050000 		.4byte	0x584
GAS LISTING /tmp/cc4XVykA.s 			page 19


 461 0004 0200     		.2byte	0x2
 462 0006 00000000 		.4byte	$Ldebug_abbrev0
 463 000a 04       		.byte	0x4
 464 000b 01       		.uleb128 0x1
 465 000c 00000000 		.4byte	$Ldebug_line0
 466 0010 64020000 		.4byte	$Letext0
 467 0014 00000000 		.4byte	$Ltext0
 468 0018 F8010000 		.4byte	$LASF71
 469 001c 01       		.byte	0x1
 470 001d 7F000000 		.4byte	$LASF72
 471 0021 02       		.uleb128 0x2
 472 0022 A9020000 		.4byte	$LASF0
 473 0026 01       		.byte	0x1
 474 0027 06       		.byte	0x6
 475 0028 02       		.uleb128 0x2
 476 0029 0F020000 		.4byte	$LASF1
 477 002d 02       		.byte	0x2
 478 002e 05       		.byte	0x5
 479 002f 03       		.uleb128 0x3
 480 0030 696E7400 		.ascii	"int\000"
 481 0034 04       		.byte	0x4
 482 0035 05       		.byte	0x5
 483 0036 02       		.uleb128 0x2
 484 0037 80020000 		.4byte	$LASF2
 485 003b 01       		.byte	0x1
 486 003c 08       		.byte	0x8
 487 003d 02       		.uleb128 0x2
 488 003e B5020000 		.4byte	$LASF3
 489 0042 02       		.byte	0x2
 490 0043 07       		.byte	0x7
 491 0044 04       		.uleb128 0x4
 492 0045 CC010000 		.4byte	$LASF73
 493 0049 02       		.byte	0x2
 494 004a 37       		.byte	0x37
 495 004b 4F000000 		.4byte	0x4f
 496 004f 02       		.uleb128 0x2
 497 0050 0E000000 		.4byte	$LASF4
 498 0054 04       		.byte	0x4
 499 0055 07       		.byte	0x7
 500 0056 02       		.uleb128 0x2
 501 0057 C4000000 		.4byte	$LASF5
 502 005b 08       		.byte	0x8
 503 005c 07       		.byte	0x7
 504 005d 02       		.uleb128 0x2
 505 005e 0E000000 		.4byte	$LASF4
 506 0062 04       		.byte	0x4
 507 0063 07       		.byte	0x7
 508 0064 05       		.uleb128 0x5
 509 0065 AF020000 		.4byte	0x2af
 510 0069 1401     		.2byte	0x114
 511 006b 04       		.byte	0x4
 512 006c 2806     		.2byte	0x628
 513 006e 06       		.uleb128 0x6
 514 006f 17010000 		.4byte	$LASF6
 515 0073 04       		.byte	0x4
 516 0074 FE05     		.2byte	0x5fe
 517 0076 44000000 		.4byte	0x44
GAS LISTING /tmp/cc4XVykA.s 			page 20


 518 007a 02       		.byte	0x2
 519 007b 10       		.byte	0x10
 520 007c 00       		.uleb128 0x0
 521 007d 06       		.uleb128 0x6
 522 007e 46010000 		.4byte	$LASF7