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Diffstat (limited to 'rpython/doc/arm.rst')
| -rw-r--r-- | rpython/doc/arm.rst | 20 |
1 files changed, 8 insertions, 12 deletions
diff --git a/rpython/doc/arm.rst b/rpython/doc/arm.rst index 7daac42566..5d73d6a863 100644 --- a/rpython/doc/arm.rst +++ b/rpython/doc/arm.rst @@ -1,8 +1,6 @@ -========================= Cross-translating for ARM ========================= - Here we describe the setup required and the steps needed to follow to translate an interpreter using the RPython translator to target ARM using a cross compilation toolchain. @@ -29,7 +27,7 @@ The tools required to cross translate from a Linux based host to an ARM based Li - A 32-bit PyPy or Python. - And the following (or corresponding) packages need to be installed to create an ARM based chroot: - * ``debootstrap`` + * ``debootstrap`` * ``schroot`` * ``binfmt-support`` * ``qemu-system`` @@ -52,7 +50,7 @@ Create the rootfs by calling: Next, copy the qemu-arm-static binary to the rootfs. -:: +:: cp /usr/bin/qemu-arm-static /srv/chroot/precise_arm/usr/bin/qemu-arm-static @@ -74,13 +72,12 @@ schroot configuration file in /etc/schroot/schroot.conf. To verify that everything is working in the chroot, running ``schroot -c precise_arm`` should start a shell running in the schroot environment using -qemu-arm to execute the ARM binaries. Running ``uname -m`` in the chroot should -yeild a result like ``armv7l``. Showing that we are emulating an ARM system. +qemu-arm to execute the ARM binaries. Running ``uname -m`` in the chroot should +yield a result like ``armv7l``. Showing that we are emulating an ARM system. Start the schroot as the user root in order to configure the apt sources and to install the following packages: - :: schroot -c precise_arm -u root @@ -124,13 +121,12 @@ contain the command line options for the sb2 command. If our rootfs is in the folder /srv/chroot/precise_arm and the scratchbox environment is called "ARM", the variables would be defined as follows. - :: export SB2=/srv/chroot/precise_arm export SB2OPT='-t ARM' -Once this is set, you can call the translator. For example save this file +Once this is set, you can call the translator. For example save this file :: @@ -149,7 +145,7 @@ and call the translator If everything worked correctly this should yield an ARM binary. Running this binary in the ARM chroot or on an ARM device should produce the output ``"Hello World"``. -To translate the full python pypy interpreter with a jit, you can cd into pypy/goal and call +To translate the full python pypy interpreter with a jit, you can cd into pypy/goal and call :: @@ -157,5 +153,5 @@ To translate the full python pypy interpreter with a jit, you can cd into pypy/g The gcrootfinder option is needed to work around `issue 1377`_ and the jit-backend works around `issue 1376`_ -.. _`issue 1377`: https://bugs.pypy.org/issue1377 -.. _`issue 1376`: https://bugs.pypy.org/issue1376 +.. _issue 1377: https://bugs.pypy.org/issue1377 +.. _issue 1376: https://bugs.pypy.org/issue1376 |