OpenRISC Development GNU Tool Chain Repository
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OpenRISC Development GNU Tool Chain Repository
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==============================================
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This directory is where you will find all the source trees for the development
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This directory is where you will find all the source trees for the development
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version of the GNU tool chain. The newlib library is included, since that is
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version of the GNU tool chain. The newlib library is included, since that is
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required for GCC testing. The code in this directory should be functional, but
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required for GCC testing. The code in this directory should be functional, but
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is not considered stable.
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is not considered stable.
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Note that the Linux tool chain requires uClibc and Linux, which should be
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Note that the Linux tool chain requires uClibc and Linux, which should be
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downloaded using git.
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downloaded using git.
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Stable release source trees are found in the gdb-src directory.
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Stable release source trees are found in the gdb-src directory.
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The file structure mirrors that of the main Free Software Foundation
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The file structure mirrors that of the main Free Software Foundation
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repository. There are two main directories:
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repository. There are two main directories:
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"or1k-src" mirrors the upstream src directory and contains the code for
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"or1k-src" mirrors the upstream src directory and contains the code for
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CGEN, binutils, newlib, gdb and associated libraries.
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CGEN, binutils, newlib, gdb and associated libraries.
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"or1k-gcc" mirrors the upstream gcc directory and contains the code for gcc
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"or1k-gcc" mirrors the upstream gcc directory and contains the code for gcc
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and its associated libraries.
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and its associated libraries.
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The tool chains (or1k-elf for bare metal and or1k-linux-uclibc for Linux
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The tool chains (or1k-elf for bare metal and or1k-linux-uclibc for Linux
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applications) are built using a source tree, combining these two
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applications) are built using a source tree, combining these two
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directories.
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directories.
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Three scripts are provided
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Three scripts are provided
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"bld-elf.sh" to build the newlib tool chain
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"bld-elf.sh" to build the newlib tool chain
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"bld-linux-uclibc.sh" to build the uClibc tool chain
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"bld-linux-uclibc.sh" to build the uClibc tool chain
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"bld-all.sh" to build both tool chains
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"bld-all.sh" to build both tool chains
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By default the tests (which require DejaGnu to be installed) are *not* run.
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By default the tests (which require DejaGnu to be installed) are *not* run.
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Any questions should be posted on the OpenRISC forum at
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Any questions should be posted on the OpenRISC forum at
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opencores.org/forum,OpenRISC, or discussed on IRC at freenode.net, channel
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opencores.org/forum,OpenRISC, or discussed on IRC at freenode.net, channel
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#opencores.
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#opencores.
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Jeremy Bennett
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Jeremy Bennett
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1 March 2012
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1 March 2012
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