Files
hakurei/internal/rosa/kernel.go
Ophestra 4356f978aa
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internal/rosa: kernel patching
The side effect of this is to work around zfs performance issue with chmod on overlay mount.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2026-01-26 21:20:52 +09:00

44 lines
1.0 KiB
Go

package rosa
import (
"slices"
"hakurei.app/internal/pkg"
)
// newKernel is a helper for interacting with Kbuild.
func (t Toolchain) newKernel(
patches [][2]string,
script string,
extra ...pkg.Artifact,
) pkg.Artifact {
const (
version = "6.18.5"
checksum = "-V1e1WWl7HuePkmm84sSKF7nLuHfUs494uNMzMqXEyxcNE_PUE0FICL0oGWn44mM"
)
return t.New("kernel-"+version, slices.Concat([]pkg.Artifact{
t.Load(Make),
}, extra), nil, nil, `
export LLVM=1
export HOSTLDFLAGS="${LDFLAGS}"
cd /usr/src/linux
`+script, pkg.Path(AbsUsrSrc.Append("linux"), true, t.NewPatchedSource(
"kernel", pkg.NewHTTPGetTar(
nil,
"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/"+
"snapshot/linux-"+version+".tar.gz",
mustDecode(checksum),
pkg.TarGzip,
), false, patches...,
)))
}
func (t Toolchain) newKernelHeaders() pkg.Artifact {
return t.newKernel(nil, `
make "-j$(nproc)" \
INSTALL_HDR_PATH=/work/system \
headers_install
`, t.Load(Rsync))
}
func init() { artifactsF[KernelHeaders] = Toolchain.newKernelHeaders }