[avrdude-dev] [patch #5245] User mode IO access in WIN32 wiyhout giveio.sys

[Joerg Wunsch]

Follow-up Comment #3, patch #5245 (project avrdude):

Tried that on a Win2K system using MinGW today.

The suggested procedure didn't work.  enable_user_mode_io()
bailed out with an error in the last function call (the
indirect one), so the attempt to access the IO ports caused
an exception.

The inline asm needs to be written differently for GCC:

asm("movl $0x378, %edx" "\n\t"
    "inb  %dx, %al");

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