250 lines
5.6 KiB
Plaintext
250 lines
5.6 KiB
Plaintext
# .gdbinit file
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# $Id: dot.gdbinit_400MHz_32MB,v 1.1 2004/10/21 01:41:27 fujiwara Exp $
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#-----
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# NOTE: this file is generated by a script, "gen_gdbinit.pl".
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# (Please type "gen_gdbinit.pl --help" and check the help message).
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# $ Id: gen_gdbinit.pl,v 1.12 2004/07/26 09:56:10 takata Exp $
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#-----
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# target platform: m32700ut
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# setting
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set width 0d70
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set radix 0d16
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debug_chaos
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# clk xin:cpu:bif:bus=25:400:100:50
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define clock_init
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set *(unsigned long *)0x00ef4008 = 0x00000000
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set *(unsigned long *)0x00ef4004 = 0
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shell sleep 0.1
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# NOTE: Please change the master clock source from PLL-clock to Xin-clock
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# and switch off PLL, before resetting the clock gear ratio.
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set *(unsigned long *)0x00ef4024 = 3
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set *(unsigned long *)0x00ef4020 = 2
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set *(unsigned long *)0x00ef4010 = 0
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set *(unsigned long *)0x00ef4014 = 0
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set *(unsigned long *)0x00ef4004 = 7
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shell sleep 0.1
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set *(unsigned long *)0x00ef4008 = 0x00000200
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end
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# Initialize SDRAM controller
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define sdram_init
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# SDIR0
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set *(unsigned long *)0x00ef6008 = 0x00000182
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# SDIR1
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set *(unsigned long *)0x00ef600c = 0x00000001
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# Initialize wait
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shell sleep 0.1
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# Ch0-MOD
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set *(unsigned long *)0x00ef602c = 0x00000020
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# Ch0-TR
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set *(unsigned long *)0x00ef6028 = 0x00041302
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# Ch0-ADR (size:32MB)
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set *(unsigned long *)0x00ef6020 = 0x08000003
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# AutoRef On
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set *(unsigned long *)0x00ef6004 = 0x00010517
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# Access enable
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set *(unsigned long *)0x00ef6024 = 0x00000001
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end
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document sdram_init
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SDRAM controller initialization
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0x08000000 - 0x09ffffff (32MB)
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end
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# Initialize BSEL3 for UT-CFC
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define cfc_init
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set $sfrbase = 0xa0ef0000
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# too fast
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# set *(unsigned long *)($sfrbase + 0x5300) = 0x0b0b8000
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# set *(unsigned long *)($sfrbase + 0x5304) = 0x00102204
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# set *(unsigned long *)($sfrbase + 0x5300) = 0x1f1f8000
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# set *(unsigned long *)($sfrbase + 0x5300) = 0x1f1f1fdf
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# set *(unsigned long *)($sfrbase + 0x5304) = 0x0013220f
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# set *(unsigned long *)($sfrbase + 0x5304) = 0x0013330f
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end
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document cfc_init
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CF controller initialization
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end
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# MMU enable
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define mmu_enable
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set $evb=0x88000000
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set *(unsigned long *)0xffff0024=1
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end
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# MMU disable
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define mmu_disable
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set $evb=0
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set *(unsigned long *)0xffff0024=0
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end
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# Show TLB entries
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define show_tlb_entries
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set $i = 0
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set $addr = $arg0
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set $nr_entries = $arg1
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use_mon_code
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while ($i < $nr_entries)
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set $tlb_tag = *(unsigned long*)$addr
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set $tlb_data = *(unsigned long*)($addr + 4)
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printf " [%2d] 0x%08lx : 0x%08lx - 0x%08lx\n", $i, $addr, $tlb_tag, $tlb_data
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set $i = $i + 1
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set $addr = $addr + 8
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end
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use_debug_dma
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end
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define itlb
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set $itlb=0xfe000000
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show_tlb_entries $itlb 0d32
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end
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define dtlb
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set $dtlb=0xfe000800
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show_tlb_entries $dtlb 0d32
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end
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# Initialize TLB entries
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define init_tlb_entries
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set $i = 0
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set $addr = $arg0
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set $nr_entries = $arg1
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use_mon_code
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while ($i < $nr_entries)
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set *(unsigned long *)($addr + 0x4) = 0
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set $i = $i + 1
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set $addr = $addr + 8
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end
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use_debug_dma
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end
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define tlb_init
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set $itlb=0xfe000000
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init_tlb_entries $itlb 0d32
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set $dtlb=0xfe000800
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init_tlb_entries $dtlb 0d32
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end
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# Show current task structure
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define show_current
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set $current = $spi & 0xffffe000
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printf "$current=0x%08lX\n",$current
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print *(struct task_struct *)$current
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end
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# Show user assigned task structure
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define show_task
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set = $arg0 & 0xffffe000
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printf "$task=0x%08lX\n",$task
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print *(struct task_struct *)$task
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end
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document show_task
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Show user assigned task structure
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arg0 : task structure address
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end
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# Show M32R registers
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define show_regs
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printf " R0[0x%08lX] R1[0x%08lX] R2[0x%08lX] R3[0x%08lX]\n",$r0,$r1,$r2,$r3
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printf " R4[0x%08lX] R5[0x%08lX] R6[0x%08lX] R7[0x%08lX]\n",$r4,$r5,$r6,$r7
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printf " R8[0x%08lX] R9[0x%08lX] R10[0x%08lX] R11[0x%08lX]\n",$r8,$r9,$r10,$r11
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printf "R12[0x%08lX] FP[0x%08lX] LR[0x%08lX] SP[0x%08lX]\n",$r12,$fp,$lr,$sp
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printf "PSW[0x%08lX] CBR[0x%08lX] SPI[0x%08lX] SPU[0x%08lX]\n",$psw,$cbr,$spi,$spu
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printf "BPC[0x%08lX] PC[0x%08lX] ACCL[0x%08lX] ACCH[0x%08lX]\n",$bpc,$pc,$accl,$acch
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printf "EVB[0x%08lX]\n",$evb
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end
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# Setup all
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define setup
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use_mon_code
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set *(unsigned int)0xfffffffc=0x60
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shell sleep 0.1
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clock_init
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shell sleep 0.1
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# SDRAM: 32MB
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set *(unsigned long *)0x00ef6020 = 0x08000003
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cfc_init
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# USB
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set *(unsigned short *)0xb0301000 = 0x100
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set $evb=0x08000000
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end
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# Load modules
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define load_modules
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use_debug_dma
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load
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end
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# Set kernel parameters
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define set_kernel_parameters
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set $param = (void*)0x08001000
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# INITRD_START
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# set *(unsigned long *)($param + 0x0010) = 0x08300000
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# INITRD_SIZE
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# set *(unsigned long *)($param + 0x0014) = 0x00000000
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# M32R_CPUCLK
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set *(unsigned long *)($param + 0x0018) = 0d400000000
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# M32R_BUSCLK
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set *(unsigned long *)($param + 0x001c) = 0d50000000
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# M32R_TIMER_DIVIDE
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set *(unsigned long *)($param + 0x0020) = 0d128
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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"
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end
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# Boot
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define boot
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set_kernel_parameters
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set $fp = 0
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set $pc = 0x08002000
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# set *(unsigned char *)0xffffffff = 0x03
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si
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c
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end
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# Set breakpoints
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define set_breakpoints
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b *0x08000030
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end
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# Restart
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define restart
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sdireset
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sdireset
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set $pc = 0
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b *0x04001000
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b *0x08001000
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b *0x08002000
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si
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c
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tlb_init
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del
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setup
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load_modules
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boot
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end
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define si
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stepi
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x/i $pc
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show_reg
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end
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sdireset
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sdireset
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file vmlinux
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target m32rsdi
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set $pc = 0
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b *0x04001000
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b *0x08001000
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b *0x08002000
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c
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tlb_init
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del
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setup
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load_modules
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boot
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