diff options
Diffstat (limited to 'ecosflash/notes.txt')
| -rw-r--r-- | ecosflash/notes.txt | 112 |
1 files changed, 0 insertions, 112 deletions
diff --git a/ecosflash/notes.txt b/ecosflash/notes.txt index 55f1729..773db9f 100644 --- a/ecosflash/notes.txt +++ b/ecosflash/notes.txt @@ -4,115 +4,3 @@ For source for the flash drivers, see: http://ecos.sourceware.org/ - -1. GDB startup script for debugging purposes. - -# startup script for debugging flash erase -target remote 10.0.0.56:2001 -monitor halt -monitor reset -load -# stack -monitor rm 13 0x7000 -# pc -monitor rm 15 0x8000 -# arg1 to erase() -monitor rm 0 0x1030000 -# arg2 to erase() -monitor rm 1 0x10000 -stepi - - - -2. Uploading flash driver via tftp - - -$ tftp 10.0.0.108 -tftp> binary -tftp> put at91fr40162.bin 10.0.0.108:/config/flashdriver.bin -Sent 4048 bytes in 0.1 seconds -tftp> - - -4. Programming flash - -eCosBoard_prog 0x1000000 /config/testdata.bin - - -tftp> put /cygdrive/c/workspace/ecosboard/ecosboard/phi/bootloader/images/bootloader.bin 10.0.0.108:/config/test.bin -Sent 165724 bytes in 3.9 seconds - - -halt -reg cpsr 0x000000D3 -mww 0xFFE00020 0x1 -mww 0xFFE00024 0x00000000 -mww 0xFFE00000 0x01002539 -eCosBoard_profile -eCosBoard_prog /config/test.bin 0x1000000 -eCosBoard_profile_done - - - - -set remote memory-write-packet-size fixed - - -set remote memory-write-packet-size 8192 -set remote memory-map-packet on -target remote 10.0.0.108:3333 -monitor halt -monitor reg cpsr 0x000000D3 -monitor mww 0xFFE00020 0x1 -monitor mww 0xFFE00024 0x00000000 -monitor mww 0xFFE00000 0x01002539 - - -monitor eCosBoard_profile -load -monitor eCosBoard_profile_done - - -source /tmp/ecosboard/packages/services/profile/gprof/current/host/gprof.gdb -gprof_dump -shell cp gmon.out /tmp/ecosboard/build/src -echo To view: cd /tmp/ecosboard/build/src && gprof openocd - - -Performance problems: - -It seems the problem is that the actual flash programming takes time. -hal_delay_us() is invoked between each time the -CPU is polled for whether flash programming has completed. - - -Flat profile: - -Each sample counts as 0.01 seconds. - % cumulative self self total - time seconds seconds calls Ts/call Ts/call name - 35.82 37.66 37.66 hal_delay_us - 11.90 50.17 12.51 arm7tdmi_clock_out - 9.86 60.54 10.37 gdb_get_packet - 5.36 66.17 5.63 memcpy - 4.34 70.73 4.56 target_buffer_get_u32 - 3.34 74.25 3.51 embeddedice_read_reg_w_che -ck - 1.39 75.71 1.46 arm7_9_write_memory - 1.34 77.11 1.40 cyg_tcp_output - 1.33 78.51 1.40 __udivsi3 - 1.11 79.68 1.17 cyg_tcp_input - 1.07 80.80 1.13 arm7tdmi_store_word_regs - 0.95 81.81 1.00 __udivdi3 - 0.95 82.80 1.00 __umodsi3 - 0.93 83.78 0.98 arm7tdmi_write_core_regs - 0.86 84.68 0.91 arm7_9_poll - 0.85 85.57 0.89 memset - 0.77 86.38 0.81 cyg_splx - 0.64 87.05 0.67 cyg_in_cksumdata - 0.63 87.71 0.66 openeth_deliver - 0.57 88.31 0.60 strstr - 0.51 88.85 0.53 eth_drv_recv - 0.49 89.36 0.52 cyg_splinternal - 0.49 89.88 0.52 cyg_splimp - 0.46 90.36 0.48 cyg_ip_input
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