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travisgoodspeed / goodwatch

Replacement board for Casio Calculator Watches using the CC430F6147

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Incomplete Password Error

travisgoodspeed opened this issue · comments

commented

Recent versions of GCC now link only those words of the IVT which are used in the password, leaving all others unhandled. Close this issue when we reconstruct the IVT password, whcih will repair make dmesg over the FTDI chip.

commented

The disassembly is wrong, as these are addresses of course, but this shows that many entries are missing. This brakes passwordfromfile in cc430-bsl.py.

% msp430-objdump -D -m msp430 goodwatch.hex | tail -n 25
Disassembly of section .sec2:

0000ffdc <.sec2>:
    ffdc:       6c d0           bis.b   @r0,    r12

Disassembly of section .sec3:

0000ffe0 <.sec3>:
    ffe0:       f6 cf           Address 0x000000000000ffe2 is out of bounds.
bic.b   @r15+,  -1(r6)  ;0xffff(r6)

Disassembly of section .sec4:

0000ffea <.sec4>:
    ffea:       0c cb           bic     r11,    r12

Disassembly of section .sec5:

0000fff4 <.sec5>:
    fff4:       54 cc de d0     bic.b   -12066(r12),r4  ;0xd0de(r12)

Disassembly of section .sec6:

0000fffe <.sec6>:
    fffe:       3c 8e           sub     @r14+,  r12

All missing entries are FFFF.