ddma2.lst

au1200下的boot代码

  93:/mnt/hgfs/boot/booter/source/ddma2.c **** {
 195              		.loc 1 93 0
 196              		.frame	$sp,32,$31		# vars= 0, regs= 3/0, args= 16, gp= 0
 197              		.mask	0x80030000,-8
 198              		.fmask	0x00000000,0
 199              		.set	noreorder
 200              		.set	nomacro
 201              		
 202 00ec E0FFBD27 		addiu	$sp,$sp,-32
 203              	$LCFI0:
 204 00f0 1400B1AF 		sw	$17,20($sp)
 205              	$LCFI1:
 206 00f4 1000B0AF 		sw	$16,16($sp)
 207              	$LCFI2:
 208 00f8 21888000 		move	$17,$4
 209 00fc 1800BFAF 		sw	$31,24($sp)
 210              	$LCFI3:
 211              		.loc 1 93 0
  94:/mnt/hgfs/boot/booter/source/ddma2.c **** 	CHANNEL_ID id;
  95:/mnt/hgfs/boot/booter/source/ddma2.c **** 	/* Find an available channel for use */
  96:/mnt/hgfs/boot/booter/source/ddma2.c **** 	
  97:/mnt/hgfs/boot/booter/source/ddma2.c **** 	id = ddma2_get_next_channel();
 212              		.loc 1 97 0
 213 0100 0000000C 		jal	ddma2_get_next_channel
 214 0104 2180A000 		move	$16,$5
 215              	
  98:/mnt/hgfs/boot/booter/source/ddma2.c **** 
  99:/mnt/hgfs/boot/booter/source/ddma2.c **** 	if(id != CHANNEL_INVALID)
 100:/mnt/hgfs/boot/booter/source/ddma2.c **** 	{
 101:/mnt/hgfs/boot/booter/source/ddma2.c **** 		channels[id].avail = FALSE;
 216              		.loc 1 101 0
 217 0108 40200200 		sll	$4,$2,1
 218 010c 21208200 		addu	$4,$4,$2
 219 0110 0000033C 		lui	$3,%hi(channels)
 220 0114 00210400 		sll	$4,$4,4
 221 0118 00006324 		addiu	$3,$3,%lo(channels)
 222              		.loc 1 99 0
 223 011c FFFF0524 		li	$5,-1			# 0xffffffffffffffff
 224              		.loc 1 101 0
 225              		.loc 1 99 0
 226 0120 04004510 		beq	$2,$5,$L16
 227 0124 21208300 		addu	$4,$4,$3
 228              	
 102:/mnt/hgfs/boot/booter/source/ddma2.c **** 		channels[id].callback = callback;
 103:/mnt/hgfs/boot/booter/source/ddma2.c **** 		channels[id].callback_arg = callback_arg;
 229              		.loc 1 103 0
 230 0128 1C0090AC 		sw	$16,28($4)
 231              		.loc 1 102 0
 232 012c 180091AC 		sw	$17,24($4)
 233              		.loc 1 101 0
 234 0130 040080AC 		sw	$0,4($4)
GAS LISTING /tmp/ccSUImwK.s 			page 7


 235              	$L16:
 104:/mnt/hgfs/boot/booter/source/ddma2.c **** 	}
 105:/mnt/hgfs/boot/booter/source/ddma2.c **** 
 106:/mnt/hgfs/boot/booter/source/ddma2.c **** 	return id;
 107:/mnt/hgfs/boot/booter/source/ddma2.c **** }
 236              		.loc 1 107 0
 237 0134 1800BF8F 		lw	$31,24($sp)
 238 0138 1400B18F 		lw	$17,20($sp)
 239 013c 1000B08F 		lw	$16,16($sp)
 240 0140 0800E003 		j	$31
 241 0144 2000BD27 		addiu	$sp,$sp,32
 242              	
 243              		.set	macro
 244              		.set	reorder
 245              	$LFE9:
 246              		.end	ddma2_request_channel
 247              		.align	2
 248              		.globl	ddma2_free_channel
 249              		.ent	ddma2_free_channel
 250              		.type	ddma2_free_channel, @function
 251              	ddma2_free_channel:
 252              	$LFB10:
 108:/mnt/hgfs/boot/booter/source/ddma2.c **** 
 109:/mnt/hgfs/boot/booter/source/ddma2.c **** int ddma2_free_channel(CHANNEL_ID id)
 110:/mnt/hgfs/boot/booter/source/ddma2.c **** {
 253              		.loc 1 110 0
 254              		.frame	$sp,32,$31		# vars= 0, regs= 3/0, args= 16, gp= 0
 255              		.mask	0x80030000,-8
 256              		.fmask	0x00000000,0
 257              		.set	noreorder
 258              		.set	nomacro
 259              		
 260 0148 E0FFBD27 		addiu	$sp,$sp,-32
 261              	$LCFI4:
 262 014c 1800BFAF 		sw	$31,24($sp)
 263              	$LCFI5:
 264 0150 1400B1AF 		sw	$17,20($sp)
 265              	$LCFI6:
 266 0154 1000B0AF 		sw	$16,16($sp)
 267              	$LCFI7:
 111:/mnt/hgfs/boot/booter/source/ddma2.c **** 	ddma->inten &= ddma->inten & ~(1 << id);
 268              		.loc 1 111 0
 269 0158 0000023C 		lui	$2,%hi(ddma)
 270 015c 0000468C 		lw	$6,%lo(ddma)($2)
 271 0160 01001124 		li	$17,1			# 0x1
 272 0164 04109100 		sll	$2,$17,$4
 273 0168 0C10C58C 		lw	$5,4108($6)
 274 016c 0C10C38C 		lw	$3,4108($6)
 275 0170 27100200 		nor	$2,$0,$2
 276 0174 2428A200 		and	$5,$5,$2
 277 0178 24186500 		and	$3,$3,$5
 278              		.loc 1 110 0
 279 017c 21808000 		move	$16,$4
 280              		.loc 1 111 0
 281 0180 0C10C3AC 		sw	$3,4108($6)
 112:/mnt/hgfs/boot/booter/source/ddma2.c **** 
 113:/mnt/hgfs/boot/booter/source/ddma2.c **** 	ddma2_disable_channel(id);
GAS LISTING /tmp/ccSUImwK.s 			page 8


 282              		.loc 1 113 0
 283 0184 0000000C 		jal	ddma2_disable_channel
 284 0188 00000000 		nop
 285              	
 114:/mnt/hgfs/boot/booter/source/ddma2.c **** 
 115:/mnt/hgfs/boot/booter/source/ddma2.c **** 	channels[id].avail 			= TRUE;
 286              		.loc 1 115 0
 287 018c 40181000 		sll	$3,$16,1
 288 0190 21187000 		addu	$3,$3,$16
 289 0194 0000023C 		lui	$2,%hi(channels)
 290 0198 00004224 		addiu	$2,$2,%lo(channels)
 291 019c 00190300 		sll	$3,$3,4
 292 01a0 21186200 		addu	$3,$3,$2
 293 01a4 040071AC 		sw	$17,4($3)
 116:/mnt/hgfs/boot/booter/source/ddma2.c **** 	channels[id].d_head			= NULL;
 117:/mnt/hgfs/boot/booter/source/ddma2.c **** 	channels[id].d_tail			= NULL;
 118:/mnt/hgfs/boot/booter/source/ddma2.c **** 	channels[id].ptr->cfg 		= 0;
 294              		.loc 1 118 0
 295 01a8 0000648C 		lw	$4,0($3)
 119:/mnt/hgfs/boot/booter/source/ddma2.c **** 
 120:/mnt/hgfs/boot/booter/source/ddma2.c **** 	return 0;
 121:/mnt/hgfs/boot/booter/source/ddma2.c **** }
 296              		.loc 1 121 0
 297 01ac 1800BF8F 		lw	$31,24($sp)
 298 01b0 1400B18F 		lw	$17,20($sp)
 299 01b4 1000B08F 		lw	$16,16($sp)
 300 01b8 21100000 		move	$2,$0
 301 01bc 2000BD27 		addiu	$sp,$sp,32
 302              		.loc 1 116 0
 303 01c0 0C0060AC 		sw	$0,12($3)
 304              		.loc 1 118 0
 305 01c4 000080AC 		sw	$0,0($4)
 306              		.loc 1 117 0
 307              		.loc 1 121 0
 308 01c8 0800E003 		j	$31
 309 01cc 100060AC 		sw	$0,16($3)
 310              	
 311              		.set	macro
 312              		.set	reorder
 313              	$LFE10:
 314              		.end	ddma2_free_channel
 315              		.align	2
 316              		.globl	ddma2_irq_lock
 317              		.ent	ddma2_irq_lock
 318              		.type	ddma2_irq_lock, @function
 319              	ddma2_irq_lock:
 320              	$LFB11:
 122:/mnt/hgfs/boot/booter/source/ddma2.c **** 
 123:/mnt/hgfs/boot/booter/source/ddma2.c **** unsigned long flags = 0;
 124:/mnt/hgfs/boot/booter/source/ddma2.c **** 
 125:/mnt/hgfs/boot/booter/source/ddma2.c **** void inline ddma2_irq_lock(CHANNEL_ID id)
 126:/mnt/hgfs/boot/booter/source/ddma2.c **** {
 321              		.loc 1 126 0
 322              		.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
 323              		.mask	0x00000000,0
 324              		.fmask	0x00000000,0
 325              		.set	noreorder
GAS LISTING /tmp/ccSUImwK.s 			page 9


 326              		.set	nomacro
 327              		
 328              		.loc 1 126 0
 329 01d0 0800E003 		j	$31
 330 01d4 00000000 		nop
 331              	
 332              		.set	macro
 333              		.set	reorder
 334              	$LFE11:
 335              		.end	ddma2_irq_lock
 336              		.align	2
 337              		.globl	ddma2_irq_unlock
 338              		.ent	ddma2_irq_unlock
 339              		.type	ddma2_irq_unlock, @function
 340              	ddma2_irq_unlock:
 341              	$LFB12:
 127:/mnt/hgfs/boot/booter/source/ddma2.c **** 	//spin_lock_irqsave(&channels[id].descriptor_lock, flags);
 128:/mnt/hgfs/boot/booter/source/ddma2.c **** }
 129:/mnt/hgfs/boot/booter/source/ddma2.c **** 
 130:/mnt/hgfs/boot/booter/source/ddma2.c **** void inline ddma2_irq_unlock(CHANNEL_ID id)
 131:/mnt/hgfs/boot/booter/source/ddma2.c **** {
 342              		.loc 1 131 0
 343              		.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
 344              		.mask	0x00000000,0
 345              		.fmask	0x00000000,0
 346              		.set	noreorder
 347              		.set	nomacro
 348              		
 349              		.loc 1 131 0
 350 01d8 0800E003 		j	$31
 351 01dc 00000000 		nop
 352              	
 353              		.set	macro
 354              		.set	reorder
 355              	$LFE12:
 356              		.end	ddma2_irq_unlock
 357              		.align	2
 358              		.globl	ddma2_get_next_descriptor
 359              		.ent	ddma2_get_next_descriptor
 360              		.type	ddma2_get_next_descriptor, @function
 361              	ddma2_get_next_descriptor:
 362              	$LFB13:
 132:/mnt/hgfs/boot/booter/source/ddma2.c **** 	//spin_unlock_irqrestore(&channels[id].descriptor_lock, flags);
 133:/mnt/hgfs/boot/booter/source/ddma2.c **** }
 134:/mnt/hgfs/boot/booter/source/ddma2.c **** 
 135:/mnt/hgfs/boot/booter/source/ddma2.c **** DDMA_DESCRIPTOR* ddma2_get_next_descriptor(CHANNEL_ID id)
 136:/mnt/hgfs/boot/booter/source/ddma2.c **** {
 363              		.loc 1 136 0
 364              		.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
 365              		.mask	0x00000000,0
 366              		.fmask	0x00000000,0
 367              		.set	noreorder
 368              		.set	nomacro
 369              		
 137:/mnt/hgfs/boot/booter/source/ddma2.c **** 	return (DDMA_DESCRIPTOR*) channels[id].ptr->des_ptr;
 370              		.loc 1 137 0
 371 01e0 40100400 		sll	$2,$4,1
GAS LISTING /tmp/ccSUImwK.s 			page 10


 372 01e4 21104400 		addu	$2,$2,$4
 373 01e8 0000033C 		lui	$3,%hi(channels)
 374 01ec 00006324 		addiu	$3,$3,%lo(channels)
 375 01f0 00110200 		sll	$2,$2,4
 376 01f4 21104300 		addu	$2,$2,$3
 377 01f8 0000448C 		lw	$4,0($2)
 378 01fc 0400828C 		lw	$2,4($4)
 138:/mnt/hgfs/boot/booter/source/ddma2.c **** }
 379              		.loc 1 138 0
 380 0200 0800E003 		j	$31
 381 0204 00000000 		nop
 382              	
 383              		.set	macro
 384              		.set	reorder
 385              	$LFE13:
 386              		.end	ddma2_get_next_descriptor
 387              		.align	2
 388              		.globl	ddma2_set_status_pointer
 389              		.ent	ddma2_set_status_pointer
 390              		.type	ddma2_set_status_pointer, @function
 391              	ddma2_set_status_pointer:
 392              	$LFB14:
 139:/mnt/hgfs/boot/booter/source/ddma2.c **** 
 140:/mnt/hgfs/boot/booter/source/ddma2.c **** void ddma2_set_status_pointer(CHANNEL_ID id, uint32* status)
 141:/mnt/hgfs/boot/booter/source/ddma2.c **** {
 393              		.loc 1 141 0
 394              		.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
 395              		.mask	0x00000000,0
 396              		.fmask	0x00000000,0
 397              		.set	noreorder
 398              		.set	nomacro
 399              		
 142:/mnt/hgfs/boot/booter/source/ddma2.c **** 	channels[id].ptr->stat_ptr = (uint32) status;
 400              		.loc 1 142 0
 401 0208 40100400 		sll	$2,$4,1
 402 020c 21104400 		addu	$2,$2,$4
 403 0210 0000033C 		lui	$3,%hi(channels)
 404 0214 00110200 		sll	$2,$2,4
 405 0218 00006324 		addiu	$3,$3,%lo(channels)
 406 021c 21104300 		addu	$2,$2,$3
 407 0220 0000448C 		lw	$4,0($2)
 408 0224 080085AC 		sw	$5,8($4)
 409 0228 0800E003 		j	$31
 410 022c 00000000 		nop
 411              	
 412              		.set	macro
 413              		.set	reorder
 414              	$LFE14:
 415              		.end	ddma2_set_status_pointer
 416              		.align	2
 417              		.globl	ddma2_get_channel_status
 418              		.ent	ddma2_get_channel_status
 419              		.type	ddma2_get_channel_status, @function
 420              	ddma2_get_channel_status:
 421              	$LFB15:
 143:/mnt/hgfs/boot/booter/source/ddma2.c **** }
 144:/mnt/hgfs/boot/booter/source/ddma2.c **** 
GAS LISTING /tmp/ccSUImwK.s 			page 11


 145:/mnt/hgfs/boot/booter/source/ddma2.c **** uint32 ddma2_get_channel_status(CHANNEL_ID id)
 146:/mnt/hgfs/boot/booter/source/ddma2.c **** {
 422              		.loc 1 146 0
 423              		.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
 424              		.mask	0x00000000,0
 425              		.fmask	0x00000000,0
 426              		.set	noreorder
 427              		.set	nomacro
 428              		
 147:/mnt/hgfs/boot/booter/source/ddma2.c **** 	return *((uint32*) KSEG1(channels[id].ptr->stat_ptr));
 429              		.loc 1 147 0
 430 0230 40100400 		sll	$2,$4,1
 431 0234 21104400 		addu	$2,$2,$4
 432 0238 0000033C 		lui	$3,%hi(channels)
 433 023c 00006324 		addiu	$3,$3,%lo(channels)