I'm new in cygwin: how to mmap?

Dr. Volker Zell Dr.Volker.Zell@oracle.com
Tue Sep 12 03:48:00 GMT 2000


>>>>> "Corinna" == Corinna Vinschen <vinschen@cygnus.com> writes:

    Corinna> "Dehmel, Rüdiger" wrote:
    >> 
    >> Hello,
    >> 
    >> first of all: how to subcribe to this group? (please answer to: de@lmnet.de
    >> )

    Corinna> How did you find this group???

    Corinna> Read http://sources.redhat.com/cygwin/lists.html
    Corinna> It contains all necessary information.

    >> I must memory map my hardware (ISA memory address: 0xD0000 - 0xD1FFFF) to
    >> user address space.
    >> 
    >> In LINUX I do this:
    >> 
    >> md = open("/dev/mem", ...);
    >> base = mmap(0, length, ...    0xD0000, md , ..);
    >> ....
    >> *base = 0x77;   // write the bits 0x77 direct to the hardware
    >> ....
    >> 
    >> What is the replacement with cygwin on NT?

    Corinna> Try using mmap().

Just curious. Whenever a configure script tries to detect a working mmap I get:

  checking for working mmap... no

Is this the expected behaviour. I'm using latest 1.1.4


Ciao
  Volker


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