# .gdbinit file
  # $Id: dot.gdbinit.mappi,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: mappi
  
  # setting
  set width 0d70
  set radix 0d16
  debug_chaos
  
  # clk xin:cpu:bif:bus=30:360:180:90
  define clock_init
    set *(unsigned long *)0x00ef4024 = 2
    set *(unsigned long *)0x00ef4020 = 1
    set *(unsigned long *)0x00ef4010 = 0
    set *(unsigned long *)0x00ef4014 = 0
    set *(unsigned long *)0x00ef4004 = 5
    shell sleep 0.1
    set *(unsigned long *)0x00ef4008 = 0x00000200
  end
  
  # Initialize programmable ports
  define port_init
    set $sfrbase = 0x00ef0000
    set *(unsigned short *)0x00ef1060 = 0x5555
    set *(unsigned short *)0x00ef1062 = 0x5555
    set *(unsigned short *)0x00ef1064 = 0x5555
    set *(unsigned short *)0x00ef1066 = 0x5555
    set *(unsigned short *)0x00ef1068 = 0x5555
    set *(unsigned short *)0x00ef106a = 0x0000
    set *(unsigned short *)0x00ef106e = 0x5555
    set *(unsigned short *)0x00ef1070 = 0x5555
    # LED ON
    set *(unsigned char *)($sfrbase + 0x1015) = 0xff
    set *(unsigned char *)($sfrbase + 0x1085) = 0xff
    shell sleep 0.1
    # LED OFF
    set *(unsigned char *)($sfrbase + 0x1085) = 0x00
  end
  document port_init
    P5=LED(output), P6.b4=LAN_RESET(output)
  end
  
  # Initialize SDRAM controller
  define sdram_init
    # SDIR0
    set *(unsigned long *)0x00ef6008 = 0x00000182
    # SDIR1
    set *(unsigned long *)0x00ef600c = 0x00000001
    # Initialize wait
    shell sleep 0.1
    # Ch0-MOD
    set *(unsigned long *)0x00ef602c = 0x00000020
    # Ch0-TR
    set *(unsigned long *)0x00ef6028 = 0x00051502
    # Ch0-ADR (size:64MB)
    set *(unsigned long *)0x00ef6020 = 0x08000004
    # AutoRef On
    set *(unsigned long *)0x00ef6004 = 0x00010e2b
    # Access enable
    set *(unsigned long *)0x00ef6024 = 0x00000001
  end
  document sdram_init
    SDRAM controller initialization
    0x08000000 - 0x0bffffff (64MB)
  end
  
  # Initialize LAN controller
  define lanc_init
    set $sfrbase = 0x00ef0000
    # Set BSEL3 (BSEL3 for the Chaos's bselc)
    set *(unsigned long *)($sfrbase + 0x5300) = 0x0a0a8040
    set *(unsigned long *)($sfrbase + 0x5304) = 0x01120203
    set *(unsigned long *)($sfrbase + 0x5308) = 0x00000001
    # Reset (P5=LED,P6.b4=LAN_RESET)
    set *(unsigned short *)($sfrbase + 0x106c) = 0x0000
    set *(unsigned char *)($sfrbase + 0x1016) = 0xff
    set *(unsigned char *)($sfrbase + 0x1086) = 0xff
    shell sleep 0.1
    # swivel: 0=normal, 4=reverse
  #  set *(unsigned char *)($sfrbase + 0x1086) = 0x00
    set *(unsigned char *)($sfrbase + 0x1086) = 0x04
    set *(unsigned long *)(0x0c000330) = 0xffffffff
    # Set mac address
    set $lanc = (void*)0x0c000300
    set *(unsigned long *)($lanc + 0x0000) = 0x00610010
    set *(unsigned long *)($lanc + 0x0004) = 0x00200030
    set *(unsigned long *)($lanc + 0x0008) = 0x00400050
    set *(unsigned long *)($lanc + 0x000c) = 0x00600007
  end
  document lanc_init
    LAN controller initialization
    ex.) MAC address:  10 20 30 40 50 60
  end
  
  # LCD & CRT dual-head setting (8bpp)
  define dispc_init
    set $sfrbase = 0x00ef0000
    # BSEL4 Dispc
    set *(unsigned long *)($sfrbase + 0x5400) = 0x0e0e8000
    set *(unsigned long *)($sfrbase + 0x5404) = 0x0012220a
  end
  
  # MMU enable
  define mmu_enable
    set $evb=0x88000000
    set *(unsigned long *)0xffff0024=1
  end
  
  # MMU disable
  define mmu_disable
    set $evb=0
    set *(unsigned long *)0xffff0024=0
  end
  
  # Show TLB entries
  define show_tlb_entries
    set $i = 0
    set $addr = $arg0
    set $nr_entries = $arg1
    use_mon_code
    while ($i < $nr_entries)
      set $tlb_tag = *(unsigned long*)$addr
      set $tlb_data = *(unsigned long*)($addr + 4)
      printf " [%2d] 0x%08lx : 0x%08lx - 0x%08lx
  ", $i, $addr, $tlb_tag, $tlb_data
      set $i = $i + 1
      set $addr = $addr + 8
    end
    use_debug_dma
  end
  define itlb
    set $itlb=0xfe000000
    show_tlb_entries $itlb 0d32
  end
  define dtlb
    set $dtlb=0xfe000800
    show_tlb_entries $dtlb 0d32
  end
  
  # Show current task structure
  define show_current
    set $current = $spi & 0xffffe000
    printf "$current=0x%08lX
  ",$current
    print *(struct task_struct *)$current
  end
  
  # Show user assigned task structure
  define show_task
    set  = $arg0 & 0xffffe000
    printf "$task=0x%08lX
  ",$task
    print *(struct task_struct *)$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]
  ",$r0,$r1,$r2,$r3
    printf " R4[0x%08lX]   R5[0x%08lX]   R6[0x%08lX]   R7[0x%08lX]
  ",$r4,$r5,$r6,$r7
    printf " R8[0x%08lX]   R9[0x%08lX]  R10[0x%08lX]  R11[0x%08lX]
  ",$r8,$r9,$r10,$r11
    printf "R12[0x%08lX]   FP[0x%08lX]   LR[0x%08lX]   SP[0x%08lX]
  ",$r12,$fp,$lr,$sp
    printf "PSW[0x%08lX]  CBR[0x%08lX]  SPI[0x%08lX]  SPU[0x%08lX]
  ",$psw,$cbr,$spi,$spu
    printf "BPC[0x%08lX]   PC[0x%08lX] ACCL[0x%08lX] ACCH[0x%08lX]
  ",$bpc,$pc,$accl,$acch
    printf "EVB[0x%08lX]
  ",$evb
  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
    dispc_init
    set $evb=0x08000000
  end
  
  # Load modules
  define load_modules
    use_debug_dma
    load
  end
  
  # Set kernel parameters
  define set_kernel_parameters
    set $param = (void*)0x08001000
    # INITRD_START
  #  set *(unsigned long *)($param + 0x0010) = 0x08300000
    # INITRD_SIZE
  #  set *(unsigned long *)($param + 0x0014) = 0x00000000
    # M32R_CPUCLK
    set *(unsigned long *)($param + 0x0018) = 0d360000000
    # M32R_BUSCLK
    set *(unsigned long *)($param + 0x001c) = 0d90000000
  
    # M32R_TIMER_DIVIDE
    set *(unsigned long *)($param + 0x0020) = 0d128
  
    set {char[0x200]}($param + 0x100) = "console=ttyS0,115200n8x console=tty1 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 = 0x08002000
    si
    c
  end
  
  # Set breakpoints
  define set_breakpoints
    b *0x08000030
  end
  
  # Restart
  define restart
    sdireset
    sdireset
    setup
    load_modules
    boot
  end
  
  sdireset
  sdireset
  file vmlinux
  target m32rsdi
  setup
  #load_modules
  #set_breakpoints
  #boot