summaryrefslogtreecommitdiff
path: root/arch/m32r/m32700ut/dot.gdbinit_300MHz_32MB
blob: aa503657a49b06e1a33e30828e092476a5f8ca7c (plain)
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
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
# .gdbinit file
# $Id: dot.gdbinit_300MHz_32MB,v 1.2 2004/10/20 03:02:27 fujiwara 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: m32700ut

# setting
set width 0d70
set radix 0d16

debug_chaos

# clk xin:cpu:bif:bus=25:300:75:75
define clock_init
  set *(unsigned long *)0x00ef4008 = 0x00000000
  set *(unsigned long *)0x00ef4004 = 0
  shell sleep 0.1
  # NOTE: Please change the master clock source from PLL-clock to Xin-clock
  # and switch off PLL, before resetting the clock gear ratio.

  set *(unsigned long *)0x00ef4024 = 2
  set *(unsigned long *)0x00ef4020 = 2
  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 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:32MB)
  set *(unsigned long *)0x00ef6020 = 0x08000003
  # AutoRef On
  set *(unsigned long *)0x00ef6004 = 0x00010e24
  # Access enable
  set *(unsigned long *)0x00ef6024 = 0x00000001
end
document sdram_init
  SDRAM controller initialization
  0x08000000 - 0x09ffffff (32MB)
end

# Initialize BSEL3 for UT-CFC
define cfc_init
  set $sfrbase = 0xa0ef0000
# too fast
#  set *(unsigned long *)($sfrbase + 0x5300) = 0x0b0b8000
#  set *(unsigned long *)($sfrbase + 0x5304) = 0x00102204
#  set *(unsigned long *)($sfrbase + 0x5300) = 0x1f1f8000
#  set *(unsigned long *)($sfrbase + 0x5300) = 0x1f1f1fdf
#  set *(unsigned long *)($sfrbase + 0x5304) = 0x0013220f
#  set *(unsigned long *)($sfrbase + 0x5304) = 0x0013330f
end
document cfc_init
  CF controller initialization
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

# Initialize TLB entries
define init_tlb_entries
  set $i = 0
  set $addr = $arg0
  set $nr_entries = $arg1
  use_mon_code
  while ($i < $nr_entries)
    set *(unsigned long *)($addr + 0x4) = 0
    set $i = $i + 1
    set $addr = $addr + 8
  end
  use_debug_dma
end
define tlb_init
  set $itlb=0xfe000000
  init_tlb_entries $itlb 0d32
  set $dtlb=0xfe000800
  init_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
  # SDRAM: 32MB
  set *(unsigned long *)0x00ef6020 = 0x08000003
  cfc_init
  # USB
  set *(unsigned short *)0xb0301000 = 0x100

  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) = 0d300000000
  # M32R_BUSCLK
  set *(unsigned long *)($param + 0x001c) = 0d75000000

  # 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,rsize=1024,wsize=1024 nfsaddrs=192.168.0.101:192.168.0.1:192.168.0.1:255.255.255.0:mappi001 mem=32M \0"
end

# Boot
define boot
  set_kernel_parameters
  set $fp = 0
  set $pc = 0x08002000
# set *(unsigned char *)0xffffffff = 0x03
  si
  c
end

# Set breakpoints
define set_breakpoints
  b *0x08000030
end

# Restart
define restart
  sdireset
  sdireset
  set $pc = 0
  b *0x04001000
  b *0x08001000
  b *0x08002000
  si
  c
  tlb_init
  del
  setup
  load_modules
  boot
end

define si
  stepi
  x/i $pc
  show_reg
end

sdireset
sdireset
file vmlinux
target m32rsdi
set $pc = 0
b *0x04001000
b *0x08001000
b *0x08002000
c
tlb_init
del
setup
load_modules
boot