From 3e65c85831be0b8f8e1cd43869b4991a76e14d9b Mon Sep 17 00:00:00 2001
From: Yang Yanchao <yangyanchao6@huawei.com>
Date: Fri, 17 Mar 2023 01:09:09 +0000
Subject: [PATCH] backport kmp feature

Signed-off-by: Yang Yanchao <yangyanchao6@huawei.com>
Signed-off-by: Xinliang Liu <xinliang.liu@linaro.org>
---
 kmodtool    | 287 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 kmodtool.py |  83 ---------------
 macros.kmp  |  85 ++++++++++++----
 3 files changed, 350 insertions(+), 105 deletions(-)
 create mode 100644 kmodtool
 delete mode 100644 kmodtool.py

diff --git a/kmodtool b/kmodtool
new file mode 100644
index 0000000..427d1df
--- /dev/null
+++ b/kmodtool
@@ -0,0 +1,287 @@
+#!/usr/bin/bash
+
+# kmodtool - Helper script for building kernel module RPMs
+# Copyright (c) 2003-2006 Ville Skyttä <ville.skytta@iki.fi>,
+#                         Thorsten Leemhuis <fedora@leemhuis.info>
+#                         Jon Masters <jcm@redhat.com>
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be
+# included in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+shopt -s extglob
+
+myprog="kmodtool"
+myver="0.10.10_kmp2"
+knownvariants=@(BOOT|PAE|@(big|huge)mem|debug|enterprise|kdump|?(large)smp|uml|xen[0U]?(-PAE)|xen)
+kmod_name=
+kver=
+verrel=
+variant=
+kmp=
+
+get_verrel ()
+{
+  verrel=${1:-$(uname -r)}
+  verrel=${verrel%%$knownvariants}
+}
+
+print_verrel ()
+{
+  get_verrel $@
+  echo "${verrel}"
+}
+
+get_variant ()
+{
+  get_verrel $@
+  variant=${1:-$(uname -r)}
+  variant=${variant##$verrel}
+  variant=${variant:-'""'}
+}
+
+print_variant ()
+{
+  get_variant $@
+  echo "${variant}"
+}
+
+get_filelist() {
+    local IFS=$'\n'
+    filelist=($(cat))
+
+    if [ ${#filelist[@]} -gt 0 ];
+    then
+        for ((n = 0; n < ${#filelist[@]}; n++));
+        do
+            line="${filelist[n]}"
+            line=$(echo "$line" \
+                | sed -e "s/%verrel/$verrel/g" \
+                | sed -e "s/%variant/$variant/g" \
+                | sed -e "s/%dashvariant/$dashvariant/g" \
+                | sed -e "s/%dotvariant/$dotvariant/g" \
+                | sed -e "s/\.%1/$dotvariant/g" \
+                | sed -e "s/\-%1/$dotvariant/g" \
+                | sed -e "s/%2/$verrel/g")
+            echo "$line"
+        done
+    else
+        echo "%defattr(644,root,root,755)"
+        echo "/lib/modules/${verrel}${dotvariant}"
+    fi
+}
+
+get_rpmtemplate ()
+{
+    local variant="${1}"
+    local dashvariant="${variant:+-${variant}}"
+    case "$verrel" in
+        *.el*) kdep="kernel${dashvariant}-%{_target_cpu} = ${verrel}" ;;
+        *.EL*) kdep="kernel${dashvariant}-%{_target_cpu} = ${verrel}" ;;
+        *)     kdep="kernel-%{_target_cpu} = ${verrel}${variant}"     ;;
+    esac
+
+    echo "%package       -n kmod-${kmod_name}${dashvariant}"
+
+    if [ -z "$kmp_provides_summary" ]; then
+        echo "Summary:          ${kmod_name} kernel module(s)"
+    fi
+
+    if [ -z "$kmp_provides_group" ]; then
+        echo "Group:            System Environment/Kernel"
+    fi
+
+    if [ ! -z "$kmp_version" ]; then
+        echo "Version: %{kmp_version}"
+    fi
+
+    if [ ! -z "$kmp_release" ]; then
+        echo "Release: %{kmp_release}"
+    fi
+
+    cat <<EOF
+Provides:         kernel-modules = ${verrel}${variant}
+Provides:         ${kmod_name}-kmod = %{?epoch:%{epoch}:}%{version}-%{release}
+EOF
+
+    if [ -z "$kmp" ]; then
+        echo "Requires:         ${kdep}"
+    fi
+
+#
+# RHEL5 - Remove common package requirement on general kmod packages.
+# Requires: ${kmod_name}-kmod-common >= %{?epoch:%{epoch}:}%{version}
+#
+
+    cat <<EOF
+Requires(post):   /usr/sbin/depmod
+Requires(postun): /usr/sbin/depmod
+EOF
+
+#if [ "no" != "$kmp_nobuildreqs" ]
+#then
+ #   echo "BuildRequires: kernel${dashvariant}-devel-%{_target_cpu} = ${verrel}"
+#fi
+
+if [ "" != "$kmp_override_preamble" ]
+then
+    cat "$kmp_override_preamble"
+fi
+
+cat <<EOF
+%description   -n kmod-${kmod_name}${dashvariant}
+This package provides the ${kmod_name} kernel modules built for the Linux
+kernel ${verrel}${variant} for the %{_target_cpu} family of processors.
+%post          -n kmod-${kmod_name}${dashvariant}
+if [ -e "/boot/System.map-${verrel}${variant}" ]; then
+    /sbin/depmod -aeF "/boot/System.map-${verrel}${variant}" "${verrel}${variant}" > /dev/null || :
+fi
+EOF
+
+    if [ ! -z "$kmp" ]; then
+        cat <<EOF
+
+modules=( \$(find /lib/modules/${verrel}${variant}/extra/${kmod_name} | grep '\.ko$') )
+if [ -x "/sbin/weak-modules" ]; then
+    printf '%s\n' "\${modules[@]}" \
+    | /sbin/weak-modules --add-modules
+fi
+%preun         -n kmod-${kmod_name}${dashvariant}
+rpm -ql kmod-${kmod_name}${dashvariant} | grep '\.ko$' \
+    > /var/run/rpm-kmod-${kmod_name}${dashvariant}-modules
+EOF
+
+    fi
+
+    cat <<EOF
+%postun        -n kmod-${kmod_name}${dashvariant}
+/sbin/depmod -aF /boot/System.map-${verrel}${variant} ${verrel}${variant} &> /dev/null || :
+EOF
+
+    if [ ! -z "$kmp" ]; then
+        cat <<EOF
+modules=( \$(cat /var/run/rpm-kmod-${kmod_name}${dashvariant}-modules) )
+#rm /var/run/rpm-kmod-${kmod_name}${dashvariant}-modules
+if [ -x "/sbin/weak-modules" ]; then
+    printf '%s\n' "\${modules[@]}" \
+    | /sbin/weak-modules --remove-modules
+fi
+EOF
+    fi
+
+echo "%files         -n kmod-${kmod_name}${dashvariant}"
+if [ "" == "$kmp_override_filelist" ];
+then
+    echo "%defattr(644,root,root,755)"
+    echo "/lib/modules/${verrel}${variant}/"
+else
+    cat "$kmp_override_filelist" | get_filelist
+fi
+}
+
+print_rpmtemplate ()
+{
+  kmod_name="${1}"
+  shift
+  kver="${1}"
+  get_verrel "${1}"
+  shift
+  if [ -z "${kmod_name}" ] ; then
+    echo "Please provide the kmodule-name as first parameter." >&2
+    exit 2
+  elif [ -z "${kver}" ] ; then
+    echo "Please provide the kver as second parameter." >&2
+    exit 2
+  elif [ -z "${verrel}" ] ; then
+    echo "Couldn't find out the verrel." >&2
+    exit 2
+  fi
+
+  for variant in "$@" ; do
+      if [ "default" == "$variant" ];
+      then
+            get_rpmtemplate ""
+      else
+            get_rpmtemplate "${variant}"
+      fi
+  done
+}
+
+usage ()
+{
+  cat <<EOF
+You called: ${invocation}
+
+Usage: ${myprog} <command> <option>+
+ Commands:
+  verrel <uname>
+    - Get "base" version-release.
+  variant <uname>
+    - Get variant from uname.
+  rpmtemplate <mainpgkname> <uname> <variants>
+    - Return a template for use in a source RPM
+  rpmtemplate_kmp <mainpgkname> <uname> <variants>
+    - Return a template for use in a source RPM with KMP dependencies
+  version
+    - Output version number and exit.
+EOF
+}
+
+invocation="$(basename ${0}) $@"
+while [ "${1}" ] ; do
+  case "${1}" in
+    verrel)
+      shift
+      print_verrel $@
+      exit $?
+      ;;
+    variant)
+      shift
+      print_variant $@
+      exit $?
+      ;;
+    rpmtemplate)
+      shift
+      print_rpmtemplate "$@"
+      exit $?
+      ;;
+    rpmtemplate_kmp)
+      shift
+      kmp=1
+      print_rpmtemplate "$@"
+      exit $?
+      ;;
+    version)
+      echo "${myprog} ${myver}"
+      exit 0
+      ;;
+    *)
+      echo "Error: Unknown option '${1}'." >&2
+      usage >&2
+      exit 2
+      ;;
+  esac
+done
+
+# Local variables:
+# mode: sh
+# sh-indentation: 2
+# indent-tabs-mode: nil
+# End:
+# ex: ts=2 sw=2 et
+
diff --git a/kmodtool.py b/kmodtool.py
deleted file mode 100644
index 75492b9..0000000
--- a/kmodtool.py
+++ /dev/null
@@ -1,83 +0,0 @@
-# -*- coding: UTF-8 -*- 
-#!/usr/bin/python3
-
-# kmodtool - Helper script for building kernel module RPMs
-
-import os,subprocess,sys
-
-def print_verrel ():
-    #verrel=subprocess.getoutput("(rpm -q --qf '%{VERSION}-%{RELEASE}' `rpm -q kernel-devel` | head -n 1)")
-   # if (len(verrel)== 0):
-    verrel=subprocess.getoutput("uname -r")
-    return verrel
-  
-def print_rpmtemplate():
-    kmod_name = sys.argv[2]
- #   verrel=subprocess.getoutput("(rpm -q --qf '%{VERSION}-%{RELEASE}' `rpm -q kernel-devel` | head -n 1)")
-  #  if (len(verrel)== 0):
-    verrel=subprocess.getoutput("uname -r")
-
-    if not kmod_name:
-        print("Please provide the kmodule-name as first parameter.") 
-        exit()
-    get_rpmtemplate(kmod_name,verrel)
-
-
-def get_rpmtemplate(kmod_name,verrel):
-    print("%package       -n kmod-" + kmod_name)
-    print("Summary:        " + kmod_name + " " + "kernel module(s)")
-    print("Group:           System Environment/Kernel")
-    if  "%{version}":
-        print("Version: %{version}")
-    if  "%{release}":
-        print("Release: %{release}")
-    print("Provides:         kernel-modules =" + " " + verrel)
-    print("Provides:         "+ kmod_name + "-kmod = %{?epoch:%{epoch}:}%{version}-%{release}")
-    print("Requires(post):   /usr/sbin/depmod") 
-    print("Requires(postun): /usr/sbin/depmod")
-    print("%description   -n kmod-" + kmod_name)
-    print("This package provides the " + kmod_name + " kernel modules built for the Linux")
-    print("kernel "+ verrel + " for the %{_target_cpu} family of processors.")
-    print("%post          -n kmod-" + kmod_name)
-    print("if [ -e /boot/System.map-" + verrel + " ]; then")
-    print("   /sbin/depmod -aeF /boot/System.map-" + verrel +" " + verrel +"> /dev/null || :")
-    print("fi")
-    if (kmp !=""):
-        print("modules=( $(find /lib/modules/" + verrel + "/extra/" + kmod_name + ") )")
-        print("""if [ -x "/sbin/weak-modules" ]; then
-    printf '%s\\n' "${modules[@]}" | /sbin/weak-modules --add-modules
-fi""") 
-        print("%preun         -n kmod-" + kmod_name)
-        print("rpm -ql kmod-" + kmod_name + "| grep '\.ko$'   > /var/run/rpm-kmod-" + kmod_name +"-modules")
-
-    print("%postun        -n kmod-" + kmod_name)
-    print("/sbin/depmod -aF /boot/System.map-" + verrel+" " + verrel + " &> /dev/null || :")
-
-    if (kmp !=""):
-        print("modules=( $(cat /var/run/rpm-kmod-" + kmod_name + "-modules) )")
-        print("#rm /var/run/rpm-kmod-" + kmod_name + "-modules")
-        print("""if [ -x "/sbin/weak-modules" ]; then
-    printf '%s\\n' "${modules[@]}" | /sbin/weak-modules --remove-modules
-fi""")
-
-    print("%files         -n kmod-" + kmod_name)
-    kmp_override_filelist= sys.argv[3]
-    if  kmp_override_filelist == '%filelist':
-        print("%defattr(644,root,root,755)")
-        print("/lib/modules/" + verrel)
-        print("/lib/firmware/")
-    else:
-        with open(kmp_override_filelist) as f:
-            for line in f:
-                print(line, end = '')
-     
-#for i in range(len(sys.argv)): 
-if (sys.argv[1] == "verrel"):
-    print_verrel()
-if (sys.argv[1] == "rpmtemplate_kmp"):
-    kmp=1
-    print_rpmtemplate()
-else:
-    print("Error: Unknown option 'sys.argv[i]'.")
-    exit()
-
diff --git a/macros.kmp b/macros.kmp
index d46aa04..8440e26 100644
--- a/macros.kmp
+++ b/macros.kmp
@@ -1,22 +1,63 @@
-# Use these macros to differentiate between __vendor and other KMP implementation(s).
-
-kernel_module_package_release	1
-
-__find_requires        /usr/lib/rpm/__vendor/find-requires
-
-
-#kernel_module_package [ -n name ] [ -v version ] [ -r release ] 
-#                      [ -f filelist][-p preamble]   
-#
-
-%kernel_module_package_buildreqs	%global kmodtool_generate_buildreqs 1 \
-					kernel-devel
-
-%kernel_module_package(n:v:r:f:p) %{expand:%( \
-	%define kmodtool /usr/lib/rpm/__vendor/kmodtool.py\
-	%define latest_kernel $(rpm -q --qf '%{VERSION}-%{RELEASE}\\\\n' `rpm -q kernel-devel` | head -n 1) \
-	%{!?kernel_version:%{expand:%%global kernel_version %{latest_kernel}}} \
-	%global kverrel %(%{kmodtool} verrel %{?kernel_version} 2>/dev/null) \
-        python3 %{kmodtool} rpmtemplate_kmp %{-n*}%{!-n:%name} %{kverrel} %{-f*}%{!-f:%filelist} %{-p*}%{!-p:%preamble} \
-)}
-
+# Use these macros to differentiate between __vendor and other KMP implementation(s).
+
+kernel_module_package_release  1
+
+%__find_provides        /usr/lib/rpm/find-provides
+%__find_requires        /usr/lib/rpm/__vendor/find-requires
+
+#kernel_module_package [ -n name ] [ -v version ] [ -r release ] [ -s script ]
+#                      [ -f filelist] [ -x ] [ -p preamble ] flavor flavor ...
+
+%kernel_module_package_buildreqs	%global kmodtool_generate_buildreqs 1 \
+					kernel-devel
+
+%kernel_module_package(n:v:r:s:f:xp:) %{expand:%( \
+	%define kmodtool %{-s*}%{!-s:/usr/lib/rpm/__vendor/kmodtool} \
+	%define kmp_version %{-v*}%{!-v:%{version}} \
+	%define kmp_release %{-r*}%{!-r:%{release}} \
+	%define latest_kernel %(rpm -q --qf '%%{VERSION}-%%{RELEASE}.%%{ARCH}\\\\n' `rpm -q kernel-devel | head -n 1` | head -n 1) \
+	%{!?kernel_version:%{expand:%%global kernel_version %{latest_kernel}}} \
+	%global kverrel %(%kmodtool verrel %{?kernel_version} 2>/dev/null) \
+	flavors="default" \
+	if [ "i686" == "%{_target_cpu}" ] || [ "x86_64" == "%{_target_cpu}" ] \
+	then \
+		xenver=$(rpm -q kernel-xen-devel-%{kverrel}|head -n 1)\
+		kdver=$(rpm -q kernel-kdump-devel-%{kverrel}|head -n 1)\
+		if [ "kernel-xen-devel-%{kverrel}" == "$xenver" ] \
+		then \
+			flavors="$flavors xen" \
+		fi \
+		if [ "kernel-kdump-devel-%{kverrel}" == "$kdver" ] \
+		then \
+			flavors="$flavors kdump" \
+		fi \
+	fi \
+	if [ -z "%*" ]; then \
+		flavors_to_build=$flavors \
+	elif [ -z "%{-x}" ]; then \
+		flavors_to_build="%*" \
+	else \
+		flavors_to_build=" $flavors "\
+		echo "[$flavors_to_build]" >/tmp/tmp.txt
+		for i in %* \
+		do \
+			flavors_to_build=${flavors_to_build//$i /}
+		done \
+	fi \
+	echo "%%global flavors_to_build ${flavors_to_build:-%%nil}" \
+	echo "%%global kernel_source() /usr/src/kernels/%kverrel\\\$([ %%%%{1} = default ] || echo "%%%%{1}.")" \
+	if [ ! -z "%{-f*}" ] \
+	then \
+		filelist="%{-f*}" \
+	fi \
+	if [ ! -z "%{-p*}" ] \
+	then \
+		preamble="%{-p*}" \
+	fi \
+	nobuildreqs="yes" \
+	if [ "x%{kmodtool_generate_buildreqs}" != "x1" ] \
+	then \
+		nobuildreqs="no" \
+	fi \
+	kmp_override_filelist="$filelist" kmp_override_preamble="$preamble" kmp_nobuildreqs="$nobuildreqs" %{kmodtool} rpmtemplate_kmp %{-n*}%{!-n:%name} %{kverrel} $flavors_to_build 2>/dev/null \
+)}
-- 
2.33.0