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3cbe86d8a7
interrupts. In unixsim this is implemented by using a mutex. Uses #define SYS_LIGHTWEIGHT_PROT to enable. It is enabled in coldfire by default, but disabled in unixsim. Fixes bug 2005 if you enable SYS_LIGHTWEIGHT_PROT. So the bug is closed.
21 lines
886 B
Plaintext
21 lines
886 B
Plaintext
### README --- c:/cygwin/home/dhaas/work/cfimage/lwip/arch/coldfire/
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##
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## Author: dhaas@alum.rpi.edu
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These files are a port of lwip to coldfire (specifically the MCF5272 with
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on-board FEC) under the Nucleus OS. Nucleus is pretty generic so it should be
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fairly easy to port this to any other embedded OS. Nucleus memory managment
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is not used. It is assumed you have a working malloc (which at least
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long-word aligns memory).
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The compiler used was Diab 4.3b. You will almost certainly need to change
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cc.h for your compiler.
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IMPORTANT NOTE: If you use the fec driver for a different processor which has
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a data cache you will need to make sure the buffer descriptors and memory
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used for pbufs are not in a cachable area. Otherwise the fec driver is
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guarrenteed to malfunction. The 5272 which this was written for does not
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support data cache so it did not matter and malloc was used.
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