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Welcome to ECO32!
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Welcome to ECO32!
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The ECO32 project was inspired by Jan Gray's three-part article
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The ECO32 project was inspired by Jan Gray's three-part article
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"Building a RISC System in an FPGA" which appeared in the March
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"Building a RISC System in an FPGA" which appeared in the March
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through May 2000 issues of "Circuit Cellar - The Magazine for
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through May 2000 issues of "Circuit Cellar - The Magazine for
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Computer Applications". We are building a similar system with
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Computer Applications". We are building a similar system with
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a lot of enhancements.
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a lot of enhancements.
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ECO32 is a simple, fast 32-bit processor that runs C code, currently
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ECO32 is a simple, fast 32-bit processor that runs C code, currently
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without floating point operations. We want to execute some flavour
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without floating point operations. We want to execute some flavour
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of UNIX on it, so it has got two operating modes (kernel/user) and
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of UNIX on it, so it has got two operating modes (kernel/user) and
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a memory management unit (paging with TLB support). The processor
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a memory management unit (paging with TLB support). The processor
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was first simulated at the instruction set level, then at the HDL
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was first simulated at the instruction set level, then at the HDL
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level, and has finally been implemented in an FPGA.
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level, and has finally been implemented in an FPGA.
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We now have an ANSI-C compiler (LCC) and an assembler/linker
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We now have an ANSI-C compiler (LCC) and an assembler/linker
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toolchain available, as well as an unpolished port of the
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toolchain available, as well as an unpolished port of the
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UNIX 7th Edition kernel.
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UNIX 7th Edition kernel.
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If you have any questions (or are eager to contribute to this
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If you have any questions (or are eager to contribute to this
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project), don't hesitate to contact the ECO32 team by email to
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project), don't hesitate to contact the ECO32 team by email to
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Hellwig.Geisse@mni.thm.de
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Hellwig.Geisse@mni.thm.de
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or visit the project's homepage at
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or visit the project's homepage at
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http://homepages.thm.de/~hg53/eco32
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http://homepages.thm.de/~hg53/eco32
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Enjoy!
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Enjoy!
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Hellwig Geisse
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Hellwig Geisse
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