118 lines
3.5 KiB
Plaintext
118 lines
3.5 KiB
Plaintext
Some of these binaries are build & linked using eCos.
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For source for the flash drivers, see:
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http://ecos.sourceware.org/
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1. GDB startup script for debugging purposes.
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# startup script for debugging flash erase
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target remote 10.0.0.56:2001
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monitor halt
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monitor reset
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load
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# stack
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monitor rm 13 0x7000
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# pc
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monitor rm 15 0x8000
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# arg1 to erase()
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monitor rm 0 0x1030000
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# arg2 to erase()
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monitor rm 1 0x10000
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stepi
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2. Uploading flash driver via tftp
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$ tftp 10.0.0.108
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tftp> binary
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tftp> put at91fr40162.bin 10.0.0.108:/config/flashdriver.bin
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Sent 4048 bytes in 0.1 seconds
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tftp>
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4. Programming flash
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eCosBoard_prog 0x1000000 /config/testdata.bin
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tftp> put /cygdrive/c/workspace/ecosboard/ecosboard/phi/bootloader/images/bootloader.bin 10.0.0.108:/config/test.bin
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Sent 165724 bytes in 3.9 seconds
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halt
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reg cpsr 0x000000D3
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mww 0xFFE00020 0x1
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mww 0xFFE00024 0x00000000
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mww 0xFFE00000 0x01002539
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eCosBoard_profile
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eCosBoard_prog /config/test.bin 0x1000000
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eCosBoard_profile_done
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set remote memory-write-packet-size fixed
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set remote memory-write-packet-size 8192
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set remote memory-map-packet on
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target remote 10.0.0.108:3333
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monitor halt
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monitor reg cpsr 0x000000D3
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monitor mww 0xFFE00020 0x1
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monitor mww 0xFFE00024 0x00000000
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monitor mww 0xFFE00000 0x01002539
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monitor eCosBoard_profile
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load
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monitor eCosBoard_profile_done
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source /tmp/ecosboard/packages/services/profile/gprof/current/host/gprof.gdb
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gprof_dump
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shell cp gmon.out /tmp/ecosboard/build/src
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echo To view: cd /tmp/ecosboard/build/src && gprof openocd
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Performance problems:
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It seems the problem is that the actual flash programming takes time.
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hal_delay_us() is invoked between each time the
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CPU is polled for whether flash programming has completed.
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Flat profile:
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Each sample counts as 0.01 seconds.
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% cumulative self self total
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time seconds seconds calls Ts/call Ts/call name
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35.82 37.66 37.66 hal_delay_us
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11.90 50.17 12.51 arm7tdmi_clock_out
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9.86 60.54 10.37 gdb_get_packet
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5.36 66.17 5.63 memcpy
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4.34 70.73 4.56 target_buffer_get_u32
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3.34 74.25 3.51 embeddedice_read_reg_w_che
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ck
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1.39 75.71 1.46 arm7_9_write_memory
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1.34 77.11 1.40 cyg_tcp_output
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1.33 78.51 1.40 __udivsi3
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1.11 79.68 1.17 cyg_tcp_input
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1.07 80.80 1.13 arm7tdmi_store_word_regs
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0.95 81.81 1.00 __udivdi3
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0.95 82.80 1.00 __umodsi3
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0.93 83.78 0.98 arm7tdmi_write_core_regs
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0.86 84.68 0.91 arm7_9_poll
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0.85 85.57 0.89 memset
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0.77 86.38 0.81 cyg_splx
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0.64 87.05 0.67 cyg_in_cksumdata
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0.63 87.71 0.66 openeth_deliver
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0.57 88.31 0.60 strstr
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0.51 88.85 0.53 eth_drv_recv
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0.49 89.36 0.52 cyg_splinternal
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0.49 89.88 0.52 cyg_splimp
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0.46 90.36 0.48 cyg_ip_input |