Werner's Miscellanea
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| 1 | #!/bin/bash |
| 2 | |
| 3 | # |
| 4 | # peek - retrieve the first 256 NOR bytes via JTAG, then compare them with |
| 5 | # the reference standby bitstream |
| 6 | # |
| 7 | |
| 8 | jtag -q <<EOF |
| 9 | cable milkymist |
| 10 | detect |
| 11 | instruction CFG_OUT 000100 BYPASS |
| 12 | instruction CFG_IN 000101 BYPASS |
| 13 | pld load fjmem.bit |
| 14 | initbus fjmem opcode=000010 |
| 15 | frequency 6000000 |
| 16 | detectflash 0 |
| 17 | endian big |
| 18 | readmem 0 0x100 peek.bin |
| 19 | pld reconfigure |
| 20 | EOF |
| 21 | |
| 22 | diff -u \ |
| 23 | <(dd if=standby.fpg bs=256 count=1 | hexdump -C) \ |
| 24 | <(hexdump -C peek.bin) |
| 25 |
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