底层驱动开发

源代码在线查看: dot.gdbinit.nommu

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关键词: 底层 驱动开发
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				# .gdbinit file				# $Id: dot.gdbinit.oaks32r,v 1.4 2004/10/20 02:24:37 takata Exp $				#-----				# NOTE: this file is generated by a script, "gen_gdbinit.pl".				# (Please type "gen_gdbinit.pl --help" and check the help message).				# $ Id: gen_gdbinit.pl,v 1.12 2004/07/26 09:56:10 takata Exp $				#-----				# target platform: oaks32r								# setting				set width 0d70				set radix 0d16								# clk xin:cpu:bus=16:66:33				define clock_init				  set *(unsigned long *)0x00ef4008 = 1				  shell sleep 0.1				  set *(unsigned long *)0x00ef4000 = 0x00020100				end								# Initialize programmable ports				define port_init				  set *(unsigned long *)0x00ef1000 = 0x1				  set *(unsigned long *)0x00ef1060 = 0x01400001				  set *(unsigned long *)0x00ef1064 = 0x00015555				  set *(unsigned long *)0x00ef1068 = 0x55555050				  set *(unsigned long *)0x00ef106c = 0x05150040				end								# Initialize SDRAM controller				define sdram_init				  set *(unsigned long *)0x00ef6008 = 0x00000182				  set *(unsigned long *)0x00ef600c = 0x00000001				  shell sleep 0.1				  set *(unsigned long *)0x00ef602c = 0x00000010				  set *(unsigned long *)0x00ef6028 = 0x00000300				  set *(unsigned long *)0x00ef6048 = 0x00000001				  set *(unsigned long *)0x00ef6020 = 0x01000041				  set *(unsigned long *)0x00ef6004 = 0x00010117				  set *(unsigned long *)0x00ef6010 = 0x00000001				  set *(unsigned long *)0x00ef6024 = 0x00000001				end				document sdram_init				  SDRAM controller initialization				  0x01000000 - 0x017fffff (8MB)				end								# Initialize LAN controller				define lanc_init				  set *(unsigned long *)0x00ef5008 = 0x03031303				  #RST DRV (P64)				  set *(unsigned char *)0x00ef1046 = 0x08				  set *(unsigned char *)0x00ef1026 = 0xff				  set *(unsigned char *)0x00ef1026 = 0x00				  set *(unsigned short *)0x02000630 = 0xffff				end								# Show current task structure				define show_current				  set $current = $spi & 0xffffe000				  printf "$current=0x%08lX\n",$current				  print *(struct task_struct *)$current				end								# Show user assigned task structure				define show_task				  set  = $arg0 & 0xffffe000				  printf "$task=0x%08lX\n",$task				  print *(struct task_struct *)$task				end				document show_task				  Show user assigned task structure				  arg0 : task structure address				end								# Show M32R registers				define show_regs				  printf " R0[0x%08lX]   R1[0x%08lX]   R2[0x%08lX]   R3[0x%08lX]\n",$r0,$r1,$r2,$r3				  printf " R4[0x%08lX]   R5[0x%08lX]   R6[0x%08lX]   R7[0x%08lX]\n",$r4,$r5,$r6,$r7				  printf " R8[0x%08lX]   R9[0x%08lX]  R10[0x%08lX]  R11[0x%08lX]\n",$r8,$r9,$r10,$r11				  printf "R12[0x%08lX]   FP[0x%08lX]   LR[0x%08lX]   SP[0x%08lX]\n",$r12,$fp,$lr,$sp				  printf "PSW[0x%08lX]  CBR[0x%08lX]  SPI[0x%08lX]  SPU[0x%08lX]\n",$psw,$cbr,$spi,$spu				  printf "BPC[0x%08lX]   PC[0x%08lX] ACCL[0x%08lX] ACCH[0x%08lX]\n",$bpc,$pc,$accl,$acch				end								# Setup all				define setup				  use_mon_code				  set *(unsigned int)0xfffffffc=0x60				  shell sleep 0.1				  clock_init				  shell sleep 0.1				  port_init				  sdram_init				  lanc_init				end								# Load modules				define load_modules				  use_debug_dma				  load				end								# Set kernel parameters				define set_kernel_parameters				  set $param = (void*)0x01001000				  # INITRD_START				#  set *(unsigned long *)($param + 0x0010) = 0x00000000				  # INITRD_SIZE				#  set *(unsigned long *)($param + 0x0014) = 0x00000000				  # M32R_CPUCLK				  set *(unsigned long *)($param + 0x0018) = 0d66666667				  # M32R_BUSCLK				  set *(unsigned long *)($param + 0x001c) = 0d33333333								  # M32R_TIMER_DIVIDE				  set *(unsigned long *)($param + 0x0020) = 0d128								  set {char[0x200]}($param + 0x100) = "console=ttyS0,115200n8x root=/dev/nfsroot nfsroot=192.168.0.1:/project/m32r-linux/export/rootfs nfsaddrs=192.168.0.101:192.168.0.1:192.168.0.1:255.255.255.0:mappi001 \0"				end								# Boot				define boot				  set_kernel_parameters				  set $fp = 0				  set $pc = 0x01002000				  si				  c				end								# Set breakpoints				define set_breakpoints				  b *0x00000020				  b *0x00000030				end								# Restart				define restart				  sdireset				  sdireset				  setup				  load_modules				  boot				end								sdireset				sdireset				file vmlinux				target m32rsdi				setup				#load_modules				#set_breakpoints				#boot											

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