aboutsummaryrefslogtreecommitdiffstats
path: root/arch/m32r/mappi3/dot.gdbinit
blob: 89c22184e1396211016bf4af9f9f7788bd700f18 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
# .gdbinit file
# $Id: dot.gdbinit,v 1.1 2005/04/11 02:21:08 sakugawa Exp $

# setting
set width 0d70
set radix 0d16
use_debug_dma

# Initialize SDRAM controller for Mappi
define sdram_init
  # SDIR0
  set *(unsigned long *)0x00ef6008 = 0x00000182
  # SDIR1
  set *(unsigned long *)0x00ef600c = 0x00000001
  # Initialize wait
  shell sleep 0.1
  # MOD
  set *(unsigned long *)0x00ef602c = 0x00000020
  set *(unsigned long *)0x00ef604c = 0x00000020
  # TR
  set *(unsigned long *)0x00ef6028 = 0x00051502
  set *(unsigned long *)0x00ef6048 = 0x00051502
  # ADR
  set *(unsigned long *)0x00ef6020 = 0x08000004
  set *(unsigned long *)0x00ef6040 = 0x0c000004
  # AutoRef On
  set *(unsigned long *)0x00ef6004 = 0x00010517
  # Access enable
  set *(unsigned long *)0x00ef6024 = 0x00000001
  set *(unsigned long *)0x00ef6044 = 0x00000001
end

# Initialize LAN controller for Mappi
define lanc_init
  # Set BSEL4
  #set *(unsigned long *)0x00ef5004 = 0x0fff330f
  #set *(unsigned long *)0x00ef5004 = 0x01113301

#  set *(unsigned long *)0x00ef5004 = 0x02011101
#  set *(unsigned long *)0x00ef5004 = 0x04441104
end

define clock_init
  set *(unsigned long *)0x00ef4010 = 2
  set *(unsigned long *)0x00ef4014 = 2
  set *(unsigned long *)0x00ef4020 = 3
  set *(unsigned long *)0x00ef4024 = 3
  set *(unsigned long *)0x00ef4004 = 0x7
#  shell sleep 0.1
#  set *(unsigned long *)0x00ef4004 = 0x5
  shell sleep 0.1
  set *(unsigned long *)0x00ef4008 = 0x0200
end

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
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 = $arg0
  while ($i < 0d16 )
    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
end
define itlb
  set $itlb=0xfe000000
  show_tlb_entries $itlb
end
define dtlb
  set $dtlb=0xfe000800
  show_tlb_entries $dtlb
end

# Cache ON
define set_cache_type
  set $mctype = (void*)0xfffffff8
# chaos
# set *(unsigned long *)($mctype) = 0x0000c000
# m32102 i-cache only
  set *(unsigned long *)($mctype) = 0x00008000
# m32102 d-cache only
#  set *(unsigned long *)($mctype) = 0x00004000
end
define cache_on
  set $param = (void*)0x08001000
  set *(unsigned long *)($param) = 0x60ff6102
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 $task = $arg0 & 0xffffe000
  printf "$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

  set $mests = *(unsigned long *)0xffff000c
  set $mdeva = *(unsigned long *)0xffff0010
  printf "MESTS[0x%08lX] MDEVA[0x%08lX]\n",$mests,$mdeva
end


# Setup all
define setup
  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
#  load busybox.mot
end

# Set kernel parameters
define set_kernel_parameters
  set $param = (void*)0x08001000

  ## MOUNT_ROOT_RDONLY
  set {long}($param+0x00)=0
  ## RAMDISK_FLAGS
  #set {long}($param+0x04)=0
  ## ORIG_ROOT_DEV
  #set {long}($param+0x08)=0x00000100
  ## LOADER_TYPE
  #set {long}($param+0x0C)=0
  ## INITRD_START
  set {long}($param+0x10)=0x082a0000
  ## INITRD_SIZE
  set {long}($param+0x14)=0d6200000

  # M32R_CPUCLK
  set *(unsigned long *)($param + 0x0018) = 0d100000000
  # M32R_BUSCLK
  set *(unsigned long *)($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.2.6_04 nfsaddrs=192.168.0.102:192.168.0.1:192.168.0.1:255.255.255.0:mappi: \0"


end

# Boot
define boot
  set_kernel_parameters
  debug_chaos
  set *(unsigned long *)0x00f00000=0x08002000
  set $pc=0x08002000
  set $fp=0
  del b
  si
end

# Restart
define restart
  sdireset
  sdireset
  setup
  load_modules
  boot
end

sdireset
sdireset
file vmlinux
target m32rsdi

restart
boot