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README.md

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Preparing a Build Environment

Preparing a build environment consists of two main steps: (1) install Fedora 19 PPC64 and (2) build a partial Blue Gene/Q distribution.

The usual base for the build environment is Red Hat Enterprise Linux 6.4 PPC64. To avoid licensing issues, we recommend using Fedora 19 PPC64 which can be downloaded from one of the mirrors listed here. The Blue Gene/Q distribution has numerous issues with the Fedora 19 texinfo (version 5.1). To avoid these issues, the Fedora 18 texinfo (version 4.13) should be installed. The RPM (texinfo-4.13a-18.fc18.ppc64.rpm) can be found here and installed with the following commands:

  1. yum erase texinfo.ppc64
  2. yum install texinfo-4.13a-18.fc18.ppc64.rpm

The source code for the Blue Gene/Q distribution can be downloaded from the Argonne National Laboratory externel repository here. The following commands can be used to download the necessary tarballs:

  1. mkdir -p /bgsys/downloads
  2. cd /bgsys/downloads
  3. wget https://repo.anl-external.org/repos/bgq-driver/V1R2M1/bgq-V1R2M1-toolchain.tar
  4. wget https://repo.anl-external.org/repos/bgq-driver/V1R2M1/bgq-V1R2M1.tar.gz
  5. wget https://repo.anl-external.org/repos/bgq-driver/V1R2M1/bgq-V1R2M1-gpl.tar.gz

Building the Blue Gene/Q distribution consists of two steps. First, the toolchain is built. After the toolchain is built the remainder of the distribution is built including the firmware, hardware interface support, and system programming interface support. To build the toolchain, use the following steps:

  1. cd /bgsys/downloads
  2. tar xfv bgq-V1R2M1-toolchain.tar
    • This results in two RPM files in /bgsys/downloads.
  3. rpm2cpio bgq-V1R2M1-toolchain-1.2.1-0.ppc64.rpm | ( cd / ; cpio -idmv )
    • This creates /bgsys/drivers/V1R2M1/ppc64.
  4. rm /bgsys/drivers/V1R2M1/ppc64/gnu-linux
    • The build process (step 8) needs to create a gnu-linux directory
  5. cd /bgsys/drivers/V1R1M1/ppc64
  6. patch -p0 -E < [FusedOS repository location/]buildenv/toolchain-fc19.patch
  7. cd /bgsys/downloads
  8. /bgsys/drivers/V1R2M1/ppc64/toolchain/retrieveToolChains.sh
  9. /bgsys/drivers/V1R2M1/ppc64/toolchain/buildToolChain.sh
    • This takes a while...
  10. ln -s /bgsys/drivers/V1R2M1/ppc64 /bgsys/drivers/ppcfloor

To build the remainder of the distribution, use the steps below:

  1. cd /bgsys/downloads
  2. tar xfv bgq-V1R2M1.tar.gz
    • This creates /bgsys/downloads/bgq-V1R2M1.
  3. tar xfv bgq-V1R2M1-gpl.tar.gz
  4. patch -p0 -E < [FusedOS repository location/]buildenv/bgq-V1R2M1-fc19.patch
  5. cd bgq-V1R1M1
  6. ./scripts/configure --with-floor=/bgsys/drivers/ppcfloor --with-revision=1
  7. make
    • This takes a while...
  8. cd work
  9. rm gnu-linux toolchain
  10. mv * /bgsys/drivers/ppcfloor

/bgsys/drivers/ppcfloor now contains a partial Blue Gene/Q Linux distribution.