Initial commit

5 files changed, 109 insertions, 0 deletions

diff --git a/.SRCINFO b/.SRCINFO
new file mode 100644
index 000000000000..34ec864dfe02
--- /dev/null
+++ b/.SRCINFO
@@ -0,0 +1,21 @@
+pkgbase = rr-zen-workaround-dkms-git
+	pkgdesc = Kernel module for disabling hw SpecLockMap optimization on AMD Zen CPUs (for rr)
+	pkgver = 0.20200921_235022.r6.g2f430f0
+	pkgrel = 1
+	url = https://gist.github.com/glandium/01d54cefdb70561b5f6675e08f2990f2
+	arch = any
+	license = GPL2
+	makedepends = git
+	depends = dkms
+	provides = rr-zen-workaround-dkms
+	conflicts = rr-zen-workaround-dkms
+	options = !strip
+	options = !debug
+	source = rr-zen-workaround::git+https://gist.github.com/01d54cefdb70561b5f6675e08f2990f2.git
+	source = dkms.conf.in
+	source = Makefile.dkms
+	sha384sums = SKIP
+	sha384sums = 621446b40aa7bbbb0fa04bc6aacd676c487dd7f805222e930006ab8cd5602671745deb39b4424156029310986ca44d4f
+	sha384sums = 9429f2a19e06d22a61f02c09d95e82ceadafd09cfad879096bb67e48151b4006b7eab4c027937873231073958a98d91e
+
+pkgname = rr-zen-workaround-dkms-git
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 000000000000..d962b16fb0ee
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,6 @@
+/src
+/pkg
+*.tar
+*.tar.*
+
+/rr-zen-workaround
diff --git a/Makefile.dkms b/Makefile.dkms
new file mode 100644
index 000000000000..faa968fb8ac8
--- /dev/null
+++ b/Makefile.dkms
@@ -0,0 +1,12 @@
+ifneq (${KERNELRELEASE},)
+obj-m += zen_workaround.o
+else
+KVER ?= $(shell uname -r)
+KDIR ?= /lib/modules/$(KVER)/build
+
+default:
+        $(MAKE) -C $(KDIR) M=$$PWD modules
+
+clean:
+        $(MAKE) -C $(KDIR) M=$$PWD clean
+endif
diff --git a/PKGBUILD b/PKGBUILD
new file mode 100644
index 000000000000..dbcc2d303cb6
--- /dev/null
+++ b/PKGBUILD
@@ -0,0 +1,62 @@
+# Maintainer: Markus Kitsinger (SwooshyCueb) <root@swooshalicio.us>
+
+pkgname='rr-zen-workaround-dkms-git'
+_pkgname_nogit="${pkgname%-git}"
+_pkgname_nodkms="${_pkgname_nogit%-dkms}"
+_modname="${_pkgname_nodkms//-/_}"
+pkgver=0.20200921_235022.r6.g2f430f0
+pkgrel=1
+pkgdesc="Kernel module for disabling hw SpecLockMap optimization on AMD Zen CPUs (for rr)"
+arch=('any')
+url='https://gist.github.com/glandium/01d54cefdb70561b5f6675e08f2990f2'
+license=('GPL2')
+depends=('dkms')
+makedepends=('git')
+provides=('rr-zen-workaround-dkms')
+conflicts=('rr-zen-workaround-dkms')
+options=('!strip' '!debug')
+source=("${_pkgname_nodkms}::git+https://gist.github.com/01d54cefdb70561b5f6675e08f2990f2.git"
+        "dkms.conf.in"
+        "Makefile.dkms")
+sha384sums=('SKIP'
+            '621446b40aa7bbbb0fa04bc6aacd676c487dd7f805222e930006ab8cd5602671745deb39b4424156029310986ca44d4f'
+            '9429f2a19e06d22a61f02c09d95e82ceadafd09cfad879096bb67e48151b4006b7eab4c027937873231073958a98d91e')
+
+pkgver() {
+	# We have no version number, and no git tags, so make a version number
+	# using the latest commit date, the number of commits in the branch, and
+	# the hash of HEAD
+
+	cd "${srcdir}/${_pkgname_nodkms}"
+
+	# Get the latest commit date:
+	_timestamp="$(git log --date=unix --full-history --date-order --format='%ct%n%at' | sort -nr | head -1)"
+	_datestr="$(date -d @"${_timestamp}" -u +'%Y%m%d_%H%M%S')"
+
+	# Get commit count:
+	_commit_qty="$(git rev-list --count HEAD)"
+
+	# Get commit hash:
+	_commit_hash="$(git rev-parse --short HEAD)"
+
+	echo "0.${_datestr}.r${_commit_qty}.g${_commit_hash}"
+}
+
+build() {
+	# pkgver is not updated until after prepare, so this needs to be in build()
+    sed -e "s/@PACKAGE_VERSION@/${pkgver}/g" "${srcdir}/dkms.conf.in" > "${srcdir}/dkms.conf"
+}
+
+package() {
+	# module src dir
+	_pkgmoddir="${pkgdir}/usr/src/${_pkgname_nodkms}-${pkgver}"
+	# create module src dir
+	install -dm755 "${_pkgmoddir}"
+	# install module source files
+	cp -r "${srcdir}/${_pkgname_nodkms}"/* "${_pkgmoddir}"
+	# install dkms.conf
+	install -Tm644 "${srcdir}/dkms.conf" "${_pkgmoddir}/dkms.conf"
+	# install our Makefile
+	rm -f "${_pkgmoddir}/Makefile"
+	install -Tm644 "${srcdir}/Makefile.dkms" "${_pkgmoddir}/Makefile"
+}
diff --git a/dkms.conf.in b/dkms.conf.in
new file mode 100644
index 000000000000..614ca9f27ac3
--- /dev/null
+++ b/dkms.conf.in
@@ -0,0 +1,8 @@
+PACKAGE_NAME="rr-zen-workaround"
+PACKAGE_VERSION="@PACKAGE_VERSION@"
+BUILT_MODULE_NAME[0]="zen_workaround"
+DEST_MODULE_NAME[0]="rr_zen_workaround"
+BUILT_MODULE_LOCATION[0]=""
+DEST_MODULE_LOCATION[0]="/kernel/drivers/misc"
+AUTOINSTALL="yes"
+BUILD_EXCLUSIVE_ARCH="(x86|i.86|x86_64|amd64)"