nand.lst

au1200下的boot代码

 999 0684 0000000C 		jal	gpioWrite
 1000 0688 01000524 		li	$5,1			# 0x1
 1001              	
 243:/mnt/hgfs/boot/booter/source/nand.c **** 
 244:/mnt/hgfs/boot/booter/source/nand.c ****     return bytes;
 245:/mnt/hgfs/boot/booter/source/nand.c **** }
 1002              		.loc 1 245 0
 1003 068c 21100002 		move	$2,$16
GAS LISTING /tmp/cc4NTrNa.s 			page 23


 1004 0690 2400BF8F 		lw	$31,36($sp)
 1005 0694 2000B48F 		lw	$20,32($sp)
 1006 0698 1C00B38F 		lw	$19,28($sp)
 1007 069c 1800B28F 		lw	$18,24($sp)
 1008 06a0 1400B18F 		lw	$17,20($sp)
 1009 06a4 1000B08F 		lw	$16,16($sp)
 1010 06a8 0800E003 		j	$31
 1011 06ac 2800BD27 		addiu	$sp,$sp,40
 1012              	
 1013              	$L84:
 1014              		.loc 1 228 0
 1015 06b0 00004296 		lhu	$2,0($18)
 1016              		.loc 1 230 0
 1017 06b4 02001026 		addiu	$16,$16,2
 1018              		.loc 1 229 0
 1019 06b8 02005226 		addiu	$18,$18,2
 1020              		.loc 1 228 0
 1021 06bc 200082A4 		sh	$2,32($4)
 1022              		.loc 1 218 0
 1023 06c0 95010008 		j	$L92
 1024 06c4 2A101302 		slt	$2,$16,$19
 1025              	
 1026              		.set	macro
 1027              		.set	reorder
 1028              	$LFE13:
 1029              		.end	nand_program
 1030              		.align	2
 1031              		.globl	nand_read
 1032              		.ent	nand_read
 1033              		.type	nand_read, @function
 1034              	nand_read:
 1035              	$LFB14:
 246:/mnt/hgfs/boot/booter/source/nand.c **** 
 247:/mnt/hgfs/boot/booter/source/nand.c **** int nand_read(char* dest, int size, int page, int offset)
 248:/mnt/hgfs/boot/booter/source/nand.c **** {
 1036              		.loc 1 248 0
 1037              		.frame	$sp,48,$31		# vars= 0, regs= 7/0, args= 16, gp= 0
 1038              		.mask	0x803f0000,-8
 1039              		.fmask	0x00000000,0
 1040              		.set	noreorder
 1041              		.set	nomacro
 1042              		
 1043 06c8 D0FFBD27 		addiu	$sp,$sp,-48
 1044              	$LCFI21:
 1045 06cc 1C00B3AF 		sw	$19,28($sp)
 1046              	$LCFI22:
 1047 06d0 1800B2AF 		sw	$18,24($sp)
 1048              	$LCFI23:
 1049 06d4 1400B1AF 		sw	$17,20($sp)
 1050              	$LCFI24:
 1051 06d8 2198A000 		move	$19,$5
 1052 06dc 21888000 		move	$17,$4
 249:/mnt/hgfs/boot/booter/source/nand.c ****     int bytes;
 250:/mnt/hgfs/boot/booter/source/nand.c **** 
 251:/mnt/hgfs/boot/booter/source/nand.c ****     gpioWrite(NAND_CE0, 0);
 1053              		.loc 1 251 0
 1054 06e0 21280000 		move	$5,$0
GAS LISTING /tmp/cc4NTrNa.s 			page 24


 1055 06e4 15000424 		li	$4,21			# 0x15
 252:/mnt/hgfs/boot/booter/source/nand.c **** 
 253:/mnt/hgfs/boot/booter/source/nand.c ****     if (nand_device.page_size == 512)
 1056              		.loc 1 253 0
 1057 06e8 0000123C 		lui	$18,%hi(nand_device)
 1058              		.loc 1 248 0
 1059 06ec 2000B4AF 		sw	$20,32($sp)
 1060              	$LCFI25:
 1061 06f0 1000B0AF 		sw	$16,16($sp)
 1062              	$LCFI26:
 1063 06f4 2800BFAF 		sw	$31,40($sp)
 1064              	$LCFI27:
 1065 06f8 2400B5AF 		sw	$21,36($sp)
 1066              	$LCFI28:
 1067              		.loc 1 248 0
 1068 06fc 21A0C000 		move	$20,$6
 1069              		.loc 1 251 0
 1070 0700 0000000C 		jal	gpioWrite
 1071 0704 2180E000 		move	$16,$7
 1072              	
 1073              		.loc 1 253 0
 1074 0708 04004326 		addiu	$3,$18,%lo(nand_device)
 1075 070c 0400648C 		lw	$4,4($3)
 1076 0710 00020224 		li	$2,512			# 0x200
 254:/mnt/hgfs/boot/booter/source/nand.c ****     {
 255:/mnt/hgfs/boot/booter/source/nand.c ****         if (offset < 256)
 1077              		.loc 1 255 0
 1078              		.loc 1 253 0
 1079 0714 2F008210 		beq	$4,$2,$L111
 1080 0718 0001022A 		slt	$2,$16,256
 1081              	
 256:/mnt/hgfs/boot/booter/source/nand.c ****             NAND_REG_CMD = NAND_CMD_READ1;
 257:/mnt/hgfs/boot/booter/source/nand.c ****         else if (offset < 512)
 258:/mnt/hgfs/boot/booter/source/nand.c ****             NAND_REG_CMD = NAND_CMD_READ2;
 259:/mnt/hgfs/boot/booter/source/nand.c ****         else
 260:/mnt/hgfs/boot/booter/source/nand.c ****             NAND_REG_CMD = NAND_CMD_READ3;
 261:/mnt/hgfs/boot/booter/source/nand.c ****     }
 262:/mnt/hgfs/boot/booter/source/nand.c ****     else
 263:/mnt/hgfs/boot/booter/source/nand.c ****         NAND_REG_CMD = NAND_CMD_READ1;
 1082              		.loc 1 263 0
 1083 071c 0000153C 		lui	$21,%hi(nand_virtual_address)
 1084              	$L115:
 1085 0720 0000A28E 		lw	$2,%lo(nand_virtual_address)($21)
 1086 0724 000040A4 		sh	$0,0($2)
 1087              	$L100:
 264:/mnt/hgfs/boot/booter/source/nand.c ****     nand_set_column_address(offset);
 1088              		.loc 1 264 0
 1089 0728 0000000C 		jal	nand_set_column_address
 1090 072c 21200002 		move	$4,$16
 1091              	
 265:/mnt/hgfs/boot/booter/source/nand.c ****     nand_set_page_address(page);
 1092              		.loc 1 265 0
 1093 0730 0000000C 		jal	nand_set_page_address
 1094 0734 21208002 		move	$4,$20
 1095              	
 266:/mnt/hgfs/boot/booter/source/nand.c **** 
 267:/mnt/hgfs/boot/booter/source/nand.c ****     for(bytes = 0; bytes < size; )
GAS LISTING /tmp/cc4NTrNa.s 			page 25


 1096              		.loc 1 267 0
 1097 0738 1200601A 		blez	$19,$L109
 1098 073c 21800000 		move	$16,$0
 1099              	
 1100 0740 08000424 		li	$4,8			# 0x8
 1101 0744 D8010008 		j	$L106
 1102 0748 10000524 		li	$5,16			# 0x10
 1103              	
 1104              	$L112:
 268:/mnt/hgfs/boot/booter/source/nand.c ****     {
 269:/mnt/hgfs/boot/booter/source/nand.c ****         switch(nand_device.data_width)
 1105              		.loc 1 269 0
 1106 074c 2C004510 		beq	$2,$5,$L105
 1107 0750 00000000 		nop
 1108              	
 1109              	$L101:
 1110              		.loc 1 267 0
 1111 0754 2A101302 		slt	$2,$16,$19
 270:/mnt/hgfs/boot/booter/source/nand.c ****         {
 271:/mnt/hgfs/boot/booter/source/nand.c ****         case  8:
 272:/mnt/hgfs/boot/booter/source/nand.c ****             *((char*)dest) = NAND_REG_DATA;
 273:/mnt/hgfs/boot/booter/source/nand.c ****             dest += 1;
 274:/mnt/hgfs/boot/booter/source/nand.c ****             bytes += 1;
 275:/mnt/hgfs/boot/booter/source/nand.c ****             break;
 276:/mnt/hgfs/boot/booter/source/nand.c ****         case 16:
 277:/mnt/hgfs/boot/booter/source/nand.c ****             *((short*)dest) = NAND_REG_DATA;
 278:/mnt/hgfs/boot/booter/source/nand.c ****             dest += 2;
 279:/mnt/hgfs/boot/booter/source/nand.c ****             bytes += 2;
 280:/mnt/hgfs/boot/booter/source/nand.c ****             break;
 281:/mnt/hgfs/boot/booter/source/nand.c ****         }
 282:/mnt/hgfs/boot/booter/source/nand.c ****     }
 283:/mnt/hgfs/boot/booter/source/nand.c **** 
 284:/mnt/hgfs/boot/booter/source/nand.c ****     if (nand_device.page_size == 2048)
 1112              		.loc 1 284 0
 1113              		.loc 1 267 0
 1114 0758 0B004010 		beq	$2,$0,$L114
 1115 075c 04004226 		addiu	$2,$18,%lo(nand_device)
 1116              	
 1117              	$L106:
 1118              		.loc 1 269 0
 1119 0760 0400428E 		lw	$2,%lo(nand_device)($18)
 1120              		.loc 1 272 0
 1121              		.loc 1 269 0
 1122 0764 F9FF4414 		bne	$2,$4,$L112
 1123 0768 0000A38E 		lw	$3,%lo(nand_virtual_address)($21)
 1124              	
 1125              		.loc 1 274 0
 1126 076c 01001026 		addiu	$16,$16,1
 1127              		.loc 1 272 0
 1128 0770 20006294 		lhu	$2,32($3)
 1129 0774 000022A2 		sb	$2,0($17)
 1130              		.loc 1 267 0
 1131 0778 2A101302 		slt	$2,$16,$19
 1132              		.loc 1 273 0
 1133              		.loc 1 267 0
 1134 077c F8FF4014 		bne	$2,$0,$L106
 1135 0780 01003126 		addiu	$17,$17,1
GAS LISTING /tmp/cc4NTrNa.s 			page 26


 1136              	
 1137              	$L109:
 1138              		.loc 1 284 0
 1139 0784 04004226 		addiu	$2,$18,%lo(nand_device)
 1140              	$L114:
 1141 0788 0400448C 		lw	$4,4($2)
 1142 078c 00080324 		li	$3,2048			# 0x800
 285:/mnt/hgfs/boot/booter/source/nand.c ****         NAND_REG_CMD = NAND_CMD_READ_COMFIRM;
 1143              		.loc 1 285 0
 1144              		.loc 1 284 0
 1145 0790 20008310 		beq	$4,$3,$L113
 1146 0794 0000A38E 		lw	$3,%lo(nand_virtual_address)($21)
 1147              	
 286:/mnt/hgfs/boot/booter/source/nand.c **** 
 287:/mnt/hgfs/boot/booter/source/nand.c ****     nand_wait_busy();
 1148              		.loc 1 287 0
 1149 0798 0000000C 		jal	nand_wait_busy
 1150 079c 00000000 		nop
 1151              	
 288:/mnt/hgfs/boot/booter/source/nand.c **** 
 289:/mnt/hgfs/boot/booter/source/nand.c ****     gpioWrite(NAND_CE0, 1);
 1152              		.loc 1 289 0
 1153 07a0 15000424 		li	$4,21			# 0x15
 1154 07a4 0000000C 		jal	gpioWrite
 1155 07a8 01000524 		li	$5,1			# 0x1
 1156              	
 290:/mnt/hgfs/boot/booter/source/nand.c **** 
 291:/mnt/hgfs/boot/booter/source/nand.c ****     return bytes;
 292:/mnt/hgfs/boot/booter/source/nand.c **** }
 1157              		.loc 1 292 0
 1158 07ac 21100002 		move	$2,$16
 1159 07b0 2800BF8F 		lw	$31,40($sp)
 1160 07b4 2400B58F 		lw	$21,36($sp)
 1161 07b8 2000B48F 		lw	$20,32($sp)
 1162 07bc 1C00B38F 		lw	$19,28($sp)
 1163 07c0 1800B28F 		lw	$18,24($sp)
 1164 07c4 1400B18F 		lw	$17,20($sp)
 1165 07c8 1000B08F 		lw	$16,16($sp)
 1166 07cc 0800E003 		j	$31
 1167 07d0 3000BD27 		addiu	$sp,$sp,48
 1168              	
 1169              	$L111:
 1170              		.loc 1 263 0
 1171              		.loc 1 255 0
 1172 07d4 D2FF4014 		bne	$2,$0,$L115
 1173 07d8 0000153C 		lui	$21,%hi(nand_virtual_address)
 1174              	
 1175              		.loc 1 257 0
 1176 07dc 0002022A 		slt	$2,$16,512
 1177              		.loc 1 260 0
 1178              		.loc 1 257 0
 1179 07e0 1D004010 		beq	$2,$0,$L98
 1180 07e4 0000A38E 		lw	$3,%lo(nand_virtual_address)($21)
 1181              	
 1182              		.loc 1 258 0
 1183 07e8 0000153C 		lui	$21,%hi(nand_virtual_address)
 1184 07ec 0000A38E 		lw	$3,%lo(nand_virtual_address)($21)
GAS LISTING /tmp/cc4NTrNa.s 			page 27


 1185 07f0 01000224 		li	$2,1
 1186              		.loc 1 260 0
 1187 07f4 000062A4 		sh	$2,0($3)
 1188 07f8 CA010008 		j	$L100
 1189 07fc 00000000 		nop
 1190              	
 1191              	$L105:
 1192              		.loc 1 279 0
 1193 0800 02001026 		addiu	$16,$16,2
 1194              		.loc 1 277 0
 1195 0804 20006294 		lhu	$2,32($3)
 1196 0808 000022A6 		sh	$2,0($17)
 1197              		.loc 1 278 0
 1198 080c D5010008 		j	$L101
 1199 0810 02003126 		addiu	$17,$17,2
 1200              	
 1201              	$L113:
 1202              		.loc 1 285 0
 1203 0814 30000224 		li	$2,48
 1204 0818 000062A4 		sh	$2,0($3)
 1205              		.loc 1 287 0
 1206 081c 0000000C 		jal	nand_wait_busy
 1207 0820 00000000 		nop
 1208              	
 1209              		.loc 1 289 0
 1210 0824 15000424 		li	$4,21			# 0x15
 1211 0828 0000000C 		jal	gpioWrite
 1212 082c 01000524 		li	$5,1			# 0x1
 1213              	
 1214              		.loc 1 292 0
 1215 0830 21100002 		move	$2,$16
 1216 0834 2800BF8F 		lw	$31,40($sp)
 1217 0838 2400B58F 		lw	$21,36($sp)
 1218 083c 2000B48F 		lw	$20,32($sp)
 1219 0840 1C00B38F 		lw	$19,28($sp)
 1220 0844 1800B28F 		lw	$18,24($sp)
 1221 0848 1400B18F 		lw	$17,20($sp)
 1222 084c 1000B08F 		lw	$16,16($sp)
 1223 0850 0800E003 		j	$31
 1224 0854 3000BD27 		addiu	$sp,$sp,48
 1225              	
 1226              	$L98:
 1227              		.loc 1 260 0
 1228 0858 50000224 		li	$2,80
 1229 085c 000062A4 		sh	$2,0($3)
 1230 0860 CA010008 		j	$L100
 1231 0864 00000000 		nop
 1232              	
 1233              		.set	macro
 1234              		.set	reorder
 1235              	$LFE14:
 1236              		.end	nand_read
 1237              	
 1238              		.comm	nand_virtual_address,4,4
 1239              		.local	nand_irq_fired
 1240              		.comm	nand_irq_fired,4,4
 1241              		.local	nand_device
GAS LISTING /tmp/cc4NTrNa.s 			page 28


 1242              		.comm	nand_device,12,4
 1243              		.section	.debug_frame,"",@progbits
 1244              	$Lframe0:
 1245 0000 0C000000 		.4byte	$LECIE0-$LSCIE0
 1246              	$LSCIE0:
 1247 0004 FFFFFFFF 		.4byte	0xffffffff
 1248 0008 01       		.byte	0x1
 1249 0009 00       		.ascii	"\000"
 1250 000a 01       		.uleb128 0x1
 1251 000b 04       		.sleb128 4
 1252 000c 1F       		.byte	0x1f
 1253 000d 0C       		.byte	0xc
 1254 000e 1D       		.uleb128 0x1d
 1255 000f 00       		.uleb128 0x0
 1256              		.align	2
 1257              	$LECIE0:
 125