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# .gdbinit file
# $Id$
#-----
# 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 1.5 2004/01/23 08:23:25 takata Exp $
#-----
# target platform: mappi
# setting
set width 0d70
set radix 0d16
debug_chaos
# clk xin:cpu:bif:bus=25:200:50:50
define clock_init
set *(unsigned long *)0x00ef4024 = 2
set *(unsigned long *)0x00ef4020 = 2
set *(unsigned long *)0x00ef4010 = 0
set *(unsigned long *)0x00ef4014 = 0
set *(unsigned long *)0x00ef4004 = 3
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 = 0x00000004
# AutoRef On
set *(unsigned long *)0x00ef6004 = 0x00010f05
# 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) = 0x07078040
set *(unsigned long *)($sfrbase + 0x5304) = 0x01110102
set *(unsigned long *)($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) = 0x06078000
set *(unsigned long *)($sfrbase + 0x5404) = 0x00101101
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\n", $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\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
printf "EVB[0x%08lX]\n",$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=0x00000000
end
# Load modules
define load_modules
use_debug_dma
load
end
# Set kernel parameters
define set_kernel_parameters
set $param = (void*)0x00001000
# INITRD_START
#set *(unsigned long *)($param + 0x0010) = 0x082a0000
# INITRD_SIZE
#set *(unsigned long *)($param + 0x0014) = 0x00000000
# M32R_CPUCLK
set *(unsigned long *)($param + 0x0018) = 0d200000000
# M32R_BUSCLK
set *(unsigned long *)($param + 0x001c) = 0d50000000
# M32R_TIMER_DIVIDE
set *(unsigned long *)($param + 0x0020) = 0d128
set {char[0x200]}($param + 0x100) = "console=ttyS0,115200n8x root=/dev/nfsroot nfsroot=192.168.0.1:/project/m32r-linux/export/root.bbox-httpd 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=0x00002000
set *(long *)0xfffffff4=0x8080
# b load_flat_binary
# set *(unsigned char *)0x08001003=0x63
# set *(unsigned char *)0x08001003=0x02
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
boot
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