lcd2_frame_buffer.lst

au1200下的boot代码

 249              	$LCFI6:
 250 0204 4000B0AF 		sw	$16,64($sp)
 251              	$LCFI7:
  41:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 	DPRINTF("FB: %X, RGB(%d, %d, %d), W: %d, H: %d\n", address, r, g, b, info->width, info->height);
  42:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 	int max = info->width + info->height;
 252              		.loc 1 42 0
 253 0208 4000A38C 		lw	$3,64($5)
 254              		.loc 1 40 0
 255 020c 2168A000 		move	$13,$5
 256              		.loc 1 42 0
 257 0210 4400A58C 		lw	$5,68($5)
 258              		.loc 1 40 0
 259 0214 21888000 		move	$17,$4
 260 0218 FF00D830 		andi	$24,$6,0x00ff
 261 021c FF00F930 		andi	$25,$7,0x00ff
 262 0220 6800AF93 		lbu	$15,104($sp)
 263              		.loc 1 42 0
 264 0224 21606500 		addu	$12,$3,$5
  43:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 	int maxAlpha = 0x0FF; //info->pixel_info.a_mask >> info->pixel_info.a_shift;
 265              		.loc 1 43 0
 266 0228 FF001224 		li	$18,255			# 0xff
  44:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 	int x, y;
  45:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 	
  46:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 	for(y = 0; y < info->height; ++y)
 267              		.loc 1 46 0
 268 022c 4E00A018 		blez	$5,$L35
 269 0230 21700000 		move	$14,$0
 270              	
 271 0234 EB51023C 		li	$2,1374355456			# 0x51eb0000
 272 0238 1F855434 		ori	$20,$2,0x851f
 273 023c 4000A925 		addiu	$9,$13,64
 274 0240 21980000 		move	$19,$0
 275              	$L33:
  47:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 	{
  48:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 		//printf("Row %d[0]: %X\n", y, &address[(y * info->width) + 0]);
  49:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 		for(x = 0; x < info->width; ++x)
 276              		.loc 1 49 0
 277 0244 44006018 		blez	$3,$L37
 278 0248 21500000 		move	$10,$0
 279              	
 280 024c 21808002 		move	$16,$20
 281 0250 21406002 		move	$8,$19
 282              	$L32:
  50:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 		{
  51:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 			address[(y * info->width) + x] = pixel_convert(info->pixel_info, ((((x + y) * 100) / max) * maxA
 283              		.loc 1 51 0
 284 0254 02206E70 		mul	$4,$3,$14
 285              	$LBB6:
 286              		.loc 2 277 0
 287 0258 2130A001 		move	$6,$13
 288 025c 2138A003 		move	$7,$sp
 289              	$LBE6:
 290              		.loc 1 51 0
 291 0260 21108A00 		addu	$2,$4,$10
 292 0264 80100200 		sll	$2,$2,2
 293 0268 21585100 		addu	$11,$2,$17
 294              	$L30:
GAS LISTING /tmp/cc7wtJ5I.s 			page 12


 295              	$LBB7:
 296              		.loc 2 277 0
 297 026c 0000C28C 		lw	$2,0($6)
 298 0270 0400C38C 		lw	$3,4($6)
 299 0274 0800C48C 		lw	$4,8($6)
 300 0278 0C00C58C 		lw	$5,12($6)
 301 027c 1000C624 		addiu	$6,$6,16
 302 0280 0000E2AC 		sw	$2,0($7)
 303 0284 0400E3AC 		sw	$3,4($7)
 304 0288 0800E4AC 		sw	$4,8($7)
 305 028c 0C00E5AC 		sw	$5,12($7)
 306 0290 F6FFC914 		bne	$6,$9,$L30
 307 0294 1000E724 		addiu	$7,$7,16
 308              	
 309 0298 1A000C01 		div	$0,$8,$12
 310 029c 02008015 		bne	$12,$0,1f
 311 02a0 00000000 		nop
 312 02a4 0D000700 		break	7
 313              	1:
 314              	$LBB8:
 315              		.loc 2 278 0
 316 02a8 3000A78F 		lw	$7,48($sp)
 317 02ac 2000A28F 		lw	$2,32($sp)
 318 02b0 3400A68F 		lw	$6,52($sp)
 319 02b4 0738F800 		sra	$7,$24,$7
 320 02b8 04384700 		sll	$7,$7,$2
 321 02bc 1000A28F 		lw	$2,16($sp)
 322 02c0 2400A38F 		lw	$3,36($sp)
 323 02c4 3800A58F 		lw	$5,56($sp)
 324 02c8 2438E200 		and	$7,$7,$2
 325 02cc 1400A28F 		lw	$2,20($sp)
 326 02d0 0730D900 		sra	$6,$25,$6
 327 02d4 04306600 		sll	$6,$6,$3
 328 02d8 2800A38F 		lw	$3,40($sp)
 329 02dc 2430C200 		and	$6,$6,$2
 330 02e0 1800A28F 		lw	$2,24($sp)
 331 02e4 0728AF00 		sra	$5,$15,$5
 332 02e8 04286500 		sll	$5,$5,$3
 333 02ec 2428A200 		and	$5,$5,$2
 334 02f0 3C00A38F 		lw	$3,60($sp)
 335              	$LBE8:
 336              	$LBE7:
 337              		.loc 1 49 0
 338 02f4 01004A25 		addiu	$10,$10,1
 339              	$LBB9:
 340              		.loc 2 277 0
 341 02f8 12200000 		mflo	$4
 342 02fc 00000000 		nop
 343 0300 00000000 		nop
 344 0304 02209270 		mul	$4,$4,$18
 345 0308 18009000 		mult	$4,$16
 346 030c C3270400 		sra	$4,$4,31
 347 0310 10100000 		mfhi	$2
 348 0314 43110200 		sra	$2,$2,5
 349 0318 23104400 		subu	$2,$2,$4
 350 031c FF004230 		andi	$2,$2,0x00ff
 351              	$LBB10:
GAS LISTING /tmp/cc7wtJ5I.s 			page 13


 352              		.loc 2 278 0
 353 0320 2C00A48F 		lw	$4,44($sp)
 354 0324 07106200 		sra	$2,$2,$3
 355 0328 1C00A38F 		lw	$3,28($sp)
 356 032c 04108200 		sll	$2,$2,$4
 357 0330 24104300 		and	$2,$2,$3
 358 0334 25104700 		or	$2,$2,$7
 359 0338 25104600 		or	$2,$2,$6
 360 033c 25104500 		or	$2,$2,$5
 361              	$LBE10:
 362              	$LBE9:
 363              		.loc 2 277 0
 364 0340 000062AD 		sw	$2,0($11)
 365              		.loc 1 49 0
 366 0344 4000A38D 		lw	$3,64($13)
 367 0348 2A104301 		slt	$2,$10,$3
 368 034c C1FF4014 		bne	$2,$0,$L32
 369 0350 64000825 		addiu	$8,$8,100
 370              	
 371 0354 4400A58D 		lw	$5,68($13)
 372              	$L37:
 373              		.loc 1 46 0
 374 0358 0100CE25 		addiu	$14,$14,1
 375 035c 2A10C501 		slt	$2,$14,$5
 376 0360 B8FF4014 		bne	$2,$0,$L33
 377 0364 64007326 		addiu	$19,$19,100
 378              	
 379              	$L35:
 380 0368 5000B48F 		lw	$20,80($sp)
 381 036c 4C00B38F 		lw	$19,76($sp)
 382 0370 4800B28F 		lw	$18,72($sp)
 383 0374 4400B18F 		lw	$17,68($sp)
 384 0378 4000B08F 		lw	$16,64($sp)
 385 037c 0800E003 		j	$31
 386 0380 5800BD27 		addiu	$sp,$sp,88
 387              	
 388              		.set	macro
 389              		.set	reorder
 390              	$LFE5:
 391              		.end	fb_fill_transparency_gradient
 392              		.align	2
 393              		.globl	fb_fill_horizontal_gradient
 394              		.ent	fb_fill_horizontal_gradient
 395              		.type	fb_fill_horizontal_gradient, @function
 396              	fb_fill_horizontal_gradient:
 397              	$LFB6:
  52:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 		}
  53:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 		//printf("Row %d[%d]: %X\n", y, x--, &address[(y * info->width) + x]);
  54:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 	}
  55:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** }
  56:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 
  57:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** void fb_fill_horizontal_gradient(FRAME_BUFFER_ADDRESS address, const FRAME_BUFFER_INFO* info, uint8
  58:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** {
 398              		.loc 1 58 0
 399              		.frame	$sp,120,$31		# vars= 80, regs= 9/0, args= 0, gp= 0
 400              		.mask	0x40ff0000,-8
 401              		.fmask	0x00000000,0
GAS LISTING /tmp/cc7wtJ5I.s 			page 14


 402              		.set	noreorder
 403              		.set	nomacro
 404              		
 405 0384 88FFBD27 		addiu	$sp,$sp,-120
 406              	$LCFI8:
 407 0388 9000A893 		lbu	$8,144($sp)
 408 038c 7000BEAF 		sw	$fp,112($sp)
 409              	$LCFI9:
 410 0390 6800B6AF 		sw	$22,104($sp)
 411              	$LCFI10:
 412 0394 5400B1AF 		sw	$17,84($sp)
 413              	$LCFI11:
 414 0398 5000B0AF 		sw	$16,80($sp)
 415              	$LCFI12:
 416 039c 6C00B7AF 		sw	$23,108($sp)
 417              	$LCFI13:
 418 03a0 6400B5AF 		sw	$21,100($sp)
 419              	$LCFI14:
 420 03a4 6000B4AF 		sw	$20,96($sp)
 421              	$LCFI15:
 422 03a8 5C00B3AF 		sw	$19,92($sp)
 423              	$LCFI16:
 424 03ac 5800B2AF 		sw	$18,88($sp)
 425              	$LCFI17:
  59:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 	int x, y, fb_index;
  60:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 	int width = info->width;
 426              		.loc 1 60 0
 427 03b0 4000A38C 		lw	$3,64($5)
 428              		.loc 1 58 0
 429 03b4 FF00D130 		andi	$17,$6,0x00ff
 430 03b8 2160A000 		move	$12,$5
  61:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 	int width_scale = 100;
 431              		.loc 1 61 0
 432 03bc 64000F24 		li	$15,100			# 0x64
  62:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 	//We have to scale up the width in order to get the necessary resolution to do a clean gradient
  63:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 	int scaled_width = width * width_scale;
  64:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 
  65:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 	//calculate how many color shades to increment/decrement with each pixel.
  66:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 	int a_delta = (a2 > a1) ? (a2 - a1) : (a1 - a2);
 433              		.loc 1 66 0
 434 03c0 2B502802 		sltu	$10,$17,$8
 435 03c4 23281101 		subu	$5,$8,$17
 436 03c8 23102802 		subu	$2,$17,$8
 437              		.loc 1 58 0
 438 03cc FF00F830 		andi	$24,$7,0x00ff
 439              		.loc 1 63 0
 440 03d0 02706F70 		mul	$14,$3,$15
 441              		.loc 1 66 0
 442 03d4 0A284A00 		movz	$5,$2,$10
 443              		.loc 1 58 0
 444 03d8 21F08000 		move	$fp,$4
 445 03dc 8800B993 		lbu	$25,136($sp)
 446 03e0 8C00B093 		lbu	$16,140($sp)
 447 03e4 9400A693 		lbu	$6,148($sp)
 448 03e8 9800A793 		lbu	$7,152($sp)
 449 03ec 9C00A993 		lbu	$9,156($sp)
  67:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 	int a_mod = (a1 == a2) ? 0 : scaled_width / a_delta;
GAS LISTING /tmp/cc7wtJ5I.s 			page 15


 450              		.loc 1 67 0
 451 03f0 06002812 		beq	$17,$8,$L42
 452 03f4 21B00000 		move	$22,$0
 453              	
 454 03f8 1A00C501 		div	$0,$14,$5
 455 03fc 0200A014 		bne	$5,$0,1f
 456 0400 00000000 		nop
 457 0404 0D000700 		break	7
 458              	1:
 459 0408 12B00000 		mflo	$22
 460              	$L42:
  68:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 	if((a2 != a1) && scaled_width % a_delta != 0)
  69:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 		a_mod++;
 461              		.loc 1 69 0
 462              		.loc 1 68 0
 463 040c 07001111 		beq	$8,$17,$L43
 464 0410 0100C326 		addiu	$3,$22,1
 465              	
 466 0414 1A00C501 		div	$0,$14,$5
 467 0418 0200A014 		bne	$5,$0,1f
 468 041c 00000000 		nop
 469 0420 0D000700 		break	7
 470              	1:
 471 0424 10100000 		mfhi	$2
 472              		.loc 1 69 0
 473 0428 0BB06200 		movn	$22,$3,$2
 474              	$L43:
  70:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 	int a_dir = (a2 > a1) ? 1 : -1;
 475              		.loc 1 70 0
 476 042c FFFF0224 		li	$2,-1			# 0xffffffffffffffff
 477 0430 01000824 		li	$8,1			# 0x1
  71:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 	
  72:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 	int r_delta = (r2 > r1) ? (r2 - r1) : (r1 - r2);
 478              		.loc 1 72 0
 479 0434 2B280603 		sltu	$5,$24,$6
 480 0438 2320D800 		subu	$4,$6,$24
 481 043c 23180603 		subu	$3,$24,$6
 482              		.loc 1 70 0
 483 0440 0A404A00 		movz	$8,$2,$10
 484 0444 4000A8AF 		sw	$8,64($sp)
 485              		.loc 1 72 0
 486 0448 0A206500 		movz	$4,$3,$5
  73:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 	int r_mod = (r1 == r2) ? 0 : scaled_width / r_delta;
 487              		.loc 1 73 0
 488 044c 06000613 		beq	$24,$6,$L49
 489 0450 21B80000 		move	$23,$0
 490              	
 491 0454 1A00C401 		div	$0,$14,$4
 492 0458 02008014 		bne	$4,$0,1f
 493 045c 00000000 		nop
 494 0460 0D000700 		break	7
 495              	1:
 496 0464 12B80000 		mflo	$23
 497              	$L49:
  74:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 	if((r2 != r1) && scaled_width % r_delta != 0)
  75:/mnt/hgfs/boot/booter/source/lcd2_frame_buffer.c **** 		r_mod++;
 498              		.loc 1 75 0
GAS LISTING /tmp/cc7wtJ5I.s 			page 16