initial support for building linux kernel with buildrump.sh #78
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I have cleaned up, refactored/rebased, rewritten the commit message, and travis script to raise this PR up again. To summarize, I followed @anttikantee's suggestion (below) to not treat an alternate rump kernel as a second-class citizen. The split files (netbsd.sh and linux.sh) from the main script are for the purpose, but still leave the default build to NetBSD rump kernel as it was. http://www.freelists.org/post/rumpkernel-users/2-PRs-for-Linux-kernel-with-rump-hypercall,1 I will fill another PR to rumprun later. |
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Signed-off-by: Hajime Tazaki <[email protected]>
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This commit introduces a new options for buildrump.sh, which is '-l' option to specify which rumpkernel (netbsd or linux) is used (default: netbsd). Linux kernel is based on Linux Kernel Library (LKL) with non-upstreamed patches to implement with rump hypercall interfaces. Since LKL is not yet upstreamed to Linus tree and development is still ongoing, the commit tries to minimize future modifications to this script (buildrump.sh) by specifying interfaces to build Linux kernel. The new rumpkernel support involves the script structure refactor to split each rumpkernel dependent commands into separate files (netbsd.sh and linux.sh). Currently, when '-l' option is specified, NetBSD rump kernel code will be also built in addition to Linux kernel build since Linux part requires headers files (i.e., include/rump) to build it. A few more travis tests are also added though it's only build tests and no execution tests for Linux at this moment though. Plus, clang build is marked as 'allow_failure' since Linux kernel isn't able to build with clang so far. There are still a couple of limitations: - LKL_SRCDIR is hardcoded, which uses the current dir of the (root) script. - only build with standalone buildrump.sh. standalone execution (i.e., without rumprun or frankenlibc) are not implemented since LKL itself has to do it. - thus, no standalone test are implemented either. Signed-off-by: Hajime Tazaki <[email protected]>
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This commit introduces a new options for buildrump.sh, which is '-l'
option to build Linux kernel. Linux kernel is based on Linux Kernel
Library (LKL) with not-upstreamed patches to implement with rump
hypercall interfaces.
Since LKL is not yet upstreamed and development is still ongoing, the
commit tries to minimize future modifications to this script
(buildrump.sh) by specifying interfaces to build Linux kernel.
Currently, when '-l' option is specified, NetBSD rump kernel code will
be also built in addition to Linux kernel build since Linux part
requires headers files (i.e., include/rump) to build it.
A few more travis tests are also added though it's only build tests at
this moment though.
Signed-off-by: Hajime Tazaki [email protected]