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| <a name="dist.readme-mips"></a>11. README.mips</h1></div></div></div> |
| <div class="literallayout"><p><br> |
| <br> |
| Supported platforms<br> |
| -------------------<br> |
| - MIPS32 and MIPS64 platforms are currently supported.<br> |
| - Both little-endian and big-endian cores are supported.<br> |
| - MIPS DSP ASE on MIPS32 platforms is supported.<br> |
| <br> |
| <br> |
| Building V for MIPS<br> |
| -------------------<br> |
| - Native build is available for all supported platforms. The build system<br> |
| expects that native GCC is configured correctly and optimized for the platform.<br> |
| Yet, this may not be the case with some Debian distributions which configure<br> |
| GCC to compile to "mips1" by default. Depending on a target platform, using<br> |
| CFLAGS="-mips32r2", CFLAGS="-mips32" or CFLAGS="-mips64" or<br> |
| CFLAGS="-mips64 -mabi=64" will do the trick and compile Valgrind correctly.<br> |
| <br> |
| - Use of cross-toolchain is supported as well.<br> |
| - Example of configure line and additional configure options:<br> |
| <br> |
| $ ./configure --host=mipsel-linux-gnu --prefix=<path_to_install_directory><br> |
| <br> |
| * --host=mips-linux-gnu is necessary only if Valgrind is built on platform<br> |
| other then MIPS, tools for building MIPS application have to be in PATH.<br> |
| <br> |
| * --host=mips-linux-gnu is necessary if you compile it with cross toolchain<br> |
| compiler for big endian platform.<br> |
| <br> |
| * --host=mipsel-linux-gnu is necessary if you compile it with cross toolchain<br> |
| compiler for little endian platform.<br> |
| <br> |
| * --build=mips-linux is needed if you want to build it for MIPS32 on 64-bit<br> |
| MIPS system.<br> |
| <br> |
| * If you are compiling Valgrind for mips32 with gcc version older then<br> |
| gcc (GCC) 4.5.1, you must specify CFLAGS="-mips32r2 -mplt", e.g.<br> |
| <br> |
| ./configure --prefix=<path_to_install_directory><br> |
| CFLAGS="-mips32r2 -mplt"<br> |
| <br> |
| <br> |
| Limitations<br> |
| -----------<br> |
| - Some gdb tests will fail when gdb (GDB) older than 7.5 is used and gdb is<br> |
| not compiled with '--with-expat=yes'.<br> |
| - You can not compile tests for DSP ASE if you are using gcc (GCC) older<br> |
| then 4.6.1 due to a bug in the toolchain.<br> |
| - Older GCC may have issues with some inline assembly blocks. Get a toolchain<br> |
| based on newer GCC versions, if possible.<br> |
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