ddma2.lst

au1200下的boot代码

 887              		.loc 1 276 0
 888 0578 0000438E 		lw	$3,%lo(ddma)($18)
 889 057c 002A1000 		sll	$5,$16,8
 277:/mnt/hgfs/boot/booter/source/ddma2.c **** 		channels[i].avail 			= TRUE;
 278:/mnt/hgfs/boot/booter/source/ddma2.c **** 		channels[i].d_head			= NULL;
 279:/mnt/hgfs/boot/booter/source/ddma2.c **** 		channels[i].d_tail			= NULL;
 280:/mnt/hgfs/boot/booter/source/ddma2.c **** 		channels[i].ptr->cfg 		= 0;
 281:/mnt/hgfs/boot/booter/source/ddma2.c **** 		channels[i].ptr->stat_ptr	= CPHYSADDR(&channels[i].status);
 890              		.loc 1 281 0
 891 0580 21103602 		addu	$2,$17,$22
 892              		.loc 1 276 0
 893 0584 2128A300 		addu	$5,$5,$3
 894              		.loc 1 281 0
 895 0588 24105500 		and	$2,$2,$21
 896              		.loc 1 276 0
 897 058c 21183402 		addu	$3,$17,$20
 898              		.loc 1 277 0
 899 0590 040073AC 		sw	$19,4($3)
 282:/mnt/hgfs/boot/booter/source/ddma2.c **** 		
 283:/mnt/hgfs/boot/booter/source/ddma2.c **** 		ddma2_disable_channel(i);
 900              		.loc 1 283 0
 901 0594 21200002 		move	$4,$16
 902              		.loc 1 280 0
 903 0598 0000A0AC 		sw	$0,0($5)
GAS LISTING /tmp/ccSUImwK.s 			page 22


 904              		.loc 1 274 0
 905 059c 01001026 		addiu	$16,$16,1
 906              		.loc 1 281 0
 907 05a0 0800A2AC 		sw	$2,8($5)
 908              		.loc 1 279 0
 909 05a4 100060AC 		sw	$0,16($3)
 910              		.loc 1 276 0
 911 05a8 000065AC 		sw	$5,0($3)
 912              		.loc 1 278 0
 913              		.loc 1 283 0
 914 05ac 0000000C 		jal	ddma2_disable_channel
 915 05b0 0C0060AC 		sw	$0,12($3)
 916              	
 917              		.loc 1 274 0
 918 05b4 1000022A 		slt	$2,$16,16
 919 05b8 EFFF4014 		bne	$2,$0,$L56
 920 05bc 30003126 		addiu	$17,$17,48
 921              	
 284:/mnt/hgfs/boot/booter/source/ddma2.c **** 		//spin_lock_init( &channels[i].descriptor_lock );
 285:/mnt/hgfs/boot/booter/source/ddma2.c **** 	}
 286:/mnt/hgfs/boot/booter/source/ddma2.c **** 
 287:/mnt/hgfs/boot/booter/source/ddma2.c **** 	/* Let the user specify the ddma config settings */
 288:/mnt/hgfs/boot/booter/source/ddma2.c **** 	ddma->config = 0;
 922              		.loc 1 288 0
 923 05c0 0000428E 		lw	$2,%lo(ddma)($18)
 289:/mnt/hgfs/boot/booter/source/ddma2.c **** 
 290:/mnt/hgfs/boot/booter/source/ddma2.c **** 	/* Disable all channel interrupts */
 291:/mnt/hgfs/boot/booter/source/ddma2.c **** 	ddma->inten = 0;
 292:/mnt/hgfs/boot/booter/source/ddma2.c **** 
 293:/mnt/hgfs/boot/booter/source/ddma2.c **** 	/* Install the generic DDMA interrupt handler */
 294:/mnt/hgfs/boot/booter/source/ddma2.c **** 
 295:/mnt/hgfs/boot/booter/source/ddma2.c **** 	cpuIrqDisable(IRQ_DDMA);
 924              		.loc 1 295 0
 925 05c4 0B000424 		li	$4,11			# 0xb
 926              		.loc 1 288 0
 927 05c8 001040AC 		sw	$0,4096($2)
 928              		.loc 1 291 0
 929 05cc 0C1040AC 		sw	$0,4108($2)
 930              		.loc 1 295 0
 931 05d0 0000000C 		jal	cpuIrqDisable
 932 05d4 00000000 		nop
 933              	
 296:/mnt/hgfs/boot/booter/source/ddma2.c **** 	cpuIrqEnable( IRQ_DDMA, INT_HIGH_LEVEL, ddma2_interrupt, channels );
 934              		.loc 1 296 0
 935 05d8 0000063C 		lui	$6,%hi(ddma2_interrupt)
 936 05dc 0000E726 		addiu	$7,$23,%lo(channels)
 937 05e0 0000C624 		addiu	$6,$6,%lo(ddma2_interrupt)
 938 05e4 0B000424 		li	$4,11			# 0xb
 939 05e8 0000000C 		jal	cpuIrqEnable
 940 05ec 01000524 		li	$5,1			# 0x1
 941              	
 297:/mnt/hgfs/boot/booter/source/ddma2.c **** 
 298:/mnt/hgfs/boot/booter/source/ddma2.c **** 	return 1;
 299:/mnt/hgfs/boot/booter/source/ddma2.c **** }
 942              		.loc 1 299 0
 943 05f0 3000BF8F 		lw	$31,48($sp)
 944 05f4 2C00B78F 		lw	$23,44($sp)
GAS LISTING /tmp/ccSUImwK.s 			page 23


 945 05f8 2800B68F 		lw	$22,40($sp)
 946 05fc 2400B58F 		lw	$21,36($sp)
 947 0600 2000B48F 		lw	$20,32($sp)
 948 0604 1C00B38F 		lw	$19,28($sp)
 949 0608 1800B28F 		lw	$18,24($sp)
 950 060c 1400B18F 		lw	$17,20($sp)
 951 0610 1000B08F 		lw	$16,16($sp)
 952 0614 01000224 		li	$2,1			# 0x1
 953 0618 0800E003 		j	$31
 954 061c 3800BD27 		addiu	$sp,$sp,56
 955              	
 956              		.set	macro
 957              		.set	reorder
 958              	$LFE21:
 959              		.end	ddma2_init
 960              		.align	2
 961              		.globl	ddma2_get_byte_count
 962              		.ent	ddma2_get_byte_count
 963              		.type	ddma2_get_byte_count, @function
 964              	ddma2_get_byte_count:
 965              	$LFB22:
 300:/mnt/hgfs/boot/booter/source/ddma2.c **** 
 301:/mnt/hgfs/boot/booter/source/ddma2.c **** 
 302:/mnt/hgfs/boot/booter/source/ddma2.c **** int ddma2_get_byte_count(CHANNEL_ID id)
 303:/mnt/hgfs/boot/booter/source/ddma2.c **** {
 966              		.loc 1 303 0
 967              		.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
 968              		.mask	0x00000000,0
 969              		.fmask	0x00000000,0
 970              		.set	noreorder
 971              		.set	nomacro
 972              		
 304:/mnt/hgfs/boot/booter/source/ddma2.c **** 	if(id != CHANNEL_INVALID)
 305:/mnt/hgfs/boot/booter/source/ddma2.c **** 	{
 306:/mnt/hgfs/boot/booter/source/ddma2.c **** 		return channels[id].ptr->bytecnt;
 973              		.loc 1 306 0
 974 0620 40180400 		sll	$3,$4,1
 975 0624 21186400 		addu	$3,$3,$4
 976 0628 0000023C 		lui	$2,%hi(channels)
 977 062c 00190300 		sll	$3,$3,4
 978 0630 00004224 		addiu	$2,$2,%lo(channels)
 979              		.loc 1 304 0
 980 0634 FFFF0524 		li	$5,-1			# 0xffffffffffffffff
 981              		.loc 1 306 0
 982              		.loc 1 304 0
 983 0638 03008510 		beq	$4,$5,$L62
 984 063c 21106200 		addu	$2,$3,$2
 985              	
 986              		.loc 1 306 0
 987 0640 0000428C 		lw	$2,0($2)
 988 0644 1800428C 		lw	$2,24($2)
 989              	$L62:
 990 0648 0800E003 		j	$31
 991 064c 00000000 		nop
 992              	
 993              		.set	macro
 994              		.set	reorder
GAS LISTING /tmp/ccSUImwK.s 			page 24


 995              	$LFE22:
 996              		.end	ddma2_get_byte_count
 997              		.align	2
 998              		.globl	ddma2_set_source_big_endian
 999              		.ent	ddma2_set_source_big_endian
 1000              		.type	ddma2_set_source_big_endian, @function
 1001              	ddma2_set_source_big_endian:
 1002              	$LFB23:
 307:/mnt/hgfs/boot/booter/source/ddma2.c **** 	}
 308:/mnt/hgfs/boot/booter/source/ddma2.c **** }
 309:/mnt/hgfs/boot/booter/source/ddma2.c **** 
 310:/mnt/hgfs/boot/booter/source/ddma2.c **** void ddma2_set_source_big_endian(CHANNEL_ID id, int enabled)
 311:/mnt/hgfs/boot/booter/source/ddma2.c **** {
 1003              		.loc 1 311 0
 1004              		.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
 1005              		.mask	0x00000000,0
 1006              		.fmask	0x00000000,0
 1007              		.set	noreorder
 1008              		.set	nomacro
 1009              		
 312:/mnt/hgfs/boot/booter/source/ddma2.c **** 	channels[id].ptr->cfg = (channels[id].ptr->cfg & ~DDMA_CHANCFG_SBE) | 
 1010              		.loc 1 312 0
 1011 0650 40100400 		sll	$2,$4,1
 1012 0654 21104400 		addu	$2,$2,$4
 1013 0658 0000033C 		lui	$3,%hi(channels)
 1014 065c 00006324 		addiu	$3,$3,%lo(channels)
 1015 0660 00110200 		sll	$2,$2,4
 1016 0664 21104300 		addu	$2,$2,$3
 1017 0668 0000468C 		lw	$6,0($2)
 1018 066c FBFF0224 		li	$2,-5			# 0xfffffffffffffffb
 1019 0670 0000C38C 		lw	$3,0($6)
 1020 0674 24186200 		and	$3,$3,$2
 1021 0678 04006434 		ori	$4,$3,0x4
 1022 067c 0B188500 		movn	$3,$4,$5
 1023 0680 0000C3AC 		sw	$3,0($6)
 1024 0684 0800E003 		j	$31
 1025 0688 00000000 		nop
 1026              	
 1027              		.set	macro
 1028              		.set	reorder
 1029              	$LFE23:
 1030              		.end	ddma2_set_source_big_endian
 1031              		.align	2
 1032              		.globl	ddma2_set_dest_big_endian
 1033              		.ent	ddma2_set_dest_big_endian
 1034              		.type	ddma2_set_dest_big_endian, @function
 1035              	ddma2_set_dest_big_endian:
 1036              	$LFB24:
 313:/mnt/hgfs/boot/booter/source/ddma2.c **** 						(enabled ? DDMA_CHANCFG_SBE : 0);
 314:/mnt/hgfs/boot/booter/source/ddma2.c **** }
 315:/mnt/hgfs/boot/booter/source/ddma2.c **** 
 316:/mnt/hgfs/boot/booter/source/ddma2.c **** void ddma2_set_dest_big_endian(CHANNEL_ID id, int enabled)
 317:/mnt/hgfs/boot/booter/source/ddma2.c **** {
 1037              		.loc 1 317 0
 1038              		.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
 1039              		.mask	0x00000000,0
 1040              		.fmask	0x00000000,0
GAS LISTING /tmp/ccSUImwK.s 			page 25


 1041              		.set	noreorder
 1042              		.set	nomacro
 1043              		
 318:/mnt/hgfs/boot/booter/source/ddma2.c **** 	channels[id].ptr->cfg = (channels[id].ptr->cfg & ~DDMA_CHANCFG_DBE) | 
 1044              		.loc 1 318 0
 1045 068c 40100400 		sll	$2,$4,1
 1046 0690 21104400 		addu	$2,$2,$4
 1047 0694 0000033C 		lui	$3,%hi(channels)
 1048 0698 00006324 		addiu	$3,$3,%lo(channels)
 1049 069c 00110200 		sll	$2,$2,4
 1050 06a0 21104300 		addu	$2,$2,$3
 1051 06a4 0000468C 		lw	$6,0($2)
 1052 06a8 FDFF0224 		li	$2,-3			# 0xfffffffffffffffd
 1053 06ac 0000C38C 		lw	$3,0($6)
 1054 06b0 24186200 		and	$3,$3,$2
 1055 06b4 02006434 		ori	$4,$3,0x2
 1056 06b8 0B188500 		movn	$3,$4,$5
 1057 06bc 0000C3AC 		sw	$3,0($6)
 1058 06c0 0800E003 		j	$31
 1059 06c4 00000000 		nop
 1060              	
 1061              		.set	macro
 1062              		.set	reorder
 1063              	$LFE24:
 1064              		.end	ddma2_set_dest_big_endian
 1065              		.align	2
 1066              		.globl	ddma_descriptor_mem_mem
 1067              		.ent	ddma_descriptor_mem_mem
 1068              		.type	ddma_descriptor_mem_mem, @function
 1069              	ddma_descriptor_mem_mem:
 1070              	$LFB25:
 319:/mnt/hgfs/boot/booter/source/ddma2.c **** 						(enabled ? DDMA_CHANCFG_DBE : 0);
 320:/mnt/hgfs/boot/booter/source/ddma2.c **** }
 321:/mnt/hgfs/boot/booter/source/ddma2.c **** 
 322:/mnt/hgfs/boot/booter/source/ddma2.c **** // Helper Functions
 323:/mnt/hgfs/boot/booter/source/ddma2.c **** 
 324:/mnt/hgfs/boot/booter/source/ddma2.c **** 
 325:/mnt/hgfs/boot/booter/source/ddma2.c **** /*
 326:/mnt/hgfs/boot/booter/source/ddma2.c ****  *	Function: ddma_descroptor_mem_mem
 327:/mnt/hgfs/boot/booter/source/ddma2.c ****  *
 328:/mnt/hgfs/boot/booter/source/ddma2.c ****  *	This function is a helper function for setting up a memory to memory descriptor
 329:/mnt/hgfs/boot/booter/source/ddma2.c ****  *
 330:/mnt/hgfs/boot/booter/source/ddma2.c ****  */
 331:/mnt/hgfs/boot/booter/source/ddma2.c **** DDMA_DESCRIPTOR* ddma_descriptor_mem_mem(DDMA_DESCRIPTOR* d, void* src, void* dst, int bytes)
 332:/mnt/hgfs/boot/booter/source/ddma2.c **** {
 1071              		.loc 1 332 0
 1072              		.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
 1073              		.mask	0x00000000,0
 1074              		.fmask	0x00000000,0
 1075              		.set	noreorder
 1076              		.set	nomacro
 1077              		
 333:/mnt/hgfs/boot/booter/source/ddma2.c **** 	d->u.std.cmd1	=	bytes;
 334:/mnt/hgfs/boot/booter/source/ddma2.c **** 	d->u.std.cmd0	=	DDMA_DESCCMD_SID_N(DDMA_ALWAYS_HIGH_ID) |
 335:/mnt/hgfs/boot/booter/source/ddma2.c **** 						DDMA_DESCCMD_DID_N(DDMA_ALWAYS_HIGH_ID) |
 336:/mnt/hgfs/boot/booter/source/ddma2.c **** 						DDMA_DESCCMD_M |
 337:/mnt/hgfs/boot/booter/source/ddma2.c **** 						DDMA_DESCCMD_SW_WORD |
GAS LISTING /tmp/ccSUImwK.s 			page 26


 338:/mnt/hgfs/boot/booter/source/ddma2.c **** 						DDMA_DESCCMD_DW_WORD |
 339:/mnt/hgfs/boot/booter/source/ddma2.c **** 						DDMA_DESCCMD_CV;
 340:/mnt/hgfs/boot/booter/source/ddma2.c **** 	d->u.std.source1 =	DDMA_DESCSRC_STRIDE_STS_8 | DDMA_DESCSRC_STRIDE_SAM_INC;
 341:/mnt/hgfs/boot/booter/source/ddma2.c **** 	d->u.std.dest1	 =	DDMA_DESCDST_STRIDE_DTS_8 | DDMA_DESCDST_STRIDE_DAM_INC;
 342:/mnt/hgfs/boot/booter/source/ddma2.c **** 	d->u.std.source0 =	CPHYSADDR(src); 
 1078              		.loc 1 342 0
 1079 06c8 FF5F023C 		li	$2,1610547200			# 0x5fff0000
 1080 06cc FFFF4234 		ori	$2,$2,0xffff
 343:/mnt/hgfs/boot/booter/source/ddma2.c **** 	d->u.std.dest0	 =	CPHYSADDR(dst);
 1081              		.loc 1 343 0
 1082 06d0 2430C200 		and	$6,$6,$2
 1083              		.loc 1 342 0
 1084 06d4 2428A200 		and	$5,$5,$2
 1085              		.loc 1 334 0
 1086 06d8 FA7F023C 		li	$2,2147090432			# 0x7ffa0000
 1087 06dc 04004234 		ori	$2,$2,0x4
 1088              		.loc 1 333 0
 1089 06e0 040087AC 		sw	$7,4($4)
 1090              		.loc 1 340 0
 1091 06e4 00C0033C 		li	$3,-1073741824			# 0xffffffffc0000000
 1092              		.loc 1 334 0
 1093 06e8 000082AC 		sw	$2,0($4)
 344:/mnt/hgfs/boot/booter/source/ddma2.c **** 
 345:/mnt/hgfs/boot/booter/source/ddma2.c **** 	return d;
 346:/mnt/hgfs/boot/booter/source/ddma2.c **** }
 1094              		.loc 1 346 0
 1095 06ec 21108000 		move	$2,$4
 1096              		.loc 1 340 0
 1097 06f0 0C0083AC 		sw	$3,12($4)
 1098              		.loc 1 341 0
 1099 06f4 140083AC 		sw	$3,20($4)
 1100              		.loc 1 342 0
 1101 06f8 080085AC 		sw	$5,8($4)
 1102              		.loc 1 343 0
 1103 06fc 100086AC 		sw	$6,16($4)
 1104              		.loc 1 346 0
 1105 0700 0800E003 		j	$31
 1106 0704 00000000 		nop
 1107              	
 1108              		.