[patch] Adds kernel/genkernel building support to embedded targets

embedded-kernel.patch (text/plain), 6.37 KB, created by David Bryson (RETIRED) on 2005-01-03 11:30:12 UTC

Index: embedded_target.py
===================================================================
RCS file: /var/cvsroot/gentoo/src/catalyst/modules/embedded_target.py,v
retrieving revision 1.6
diff -u -B -r1.6 embedded_target.py
--- embedded_target.py	17 Dec 2004 21:18:06 -0000	1.6
+++ embedded_target.py	3 Jan 2005 19:26:27 -0000
@@ -1,6 +1,6 @@
-# Copyright 1999-2004 Gentoo Foundation
-# Distributed under the terms of the GNU General Public License v2
-# $Header: /var/cvsroot/gentoo/src/catalyst/modules/embedded_target.py,v 1.6 2004/12/17 21:18:06 wolf31o2 Exp $
+# Distributed under the GNU General Public License version 2
+# Copyright 2003-2004 Gentoo Technologies, Inc.
+# $Header: /home/cvsroot/gentoo/src/catalyst/modules/embedded_target.py,v 1.1 2004/05/17 01:21:17 zhen Exp $
 
 """
 This class works like a 'stage3'.  A stage2 tarball is unpacked, but instead
@@ -22,11 +21,28 @@
     def __init__(self,spec,addlargs):
         self.required_values=[]
         self.valid_values=[]
-        self.valid_values.extend(["embedded/empty","embedded/rm","embedded/unmerge","embedded/runscript","embedded/mergeroot","embedded/packages","embedded/use","embedded/fs-type"])
+        self.valid_values.extend(["embedded/empty","embedded/rm","embedded/unmerge","embedded/fs-prepare","embedded/fs-finish","embedded/mergeroot","embedded/packages","embedded/use","embedded/fs-type","boot/kernel"])
 
         if addlargs.has_key("embedded/fs-type"):
             self.valid_values.append("embedded/fs-ops")
 
+        # this kernel code is also from livecd stage2
+
+        if addlargs.has_key("boot/kernel"):
+            if type(addlargs["boot/kernel"]) == types.StringType:
+	       	loopy=[addlargs["boot/kernel"]]
+            else:
+	       	loopy=addlargs["boot/kernel"]
+		
+                for x in loopy:
+                    self.required_values.append("boot/kernel/"+x+"/sources")
+                    self.required_values.append("boot/kernel/"+x+"/config")
+                    self.valid_values.append("boot/kernel/"+x+"/extraversion")
+                    self.valid_values.append("boot/kernel/"+x+"/packages")
+                    self.valid_values.append("boot/kernel/"+x+"/use")
+                    self.valid_values.append("boot/kernel/"+x+"/gk_kernargs")
+		    self.valid_values.append("boot/kernel/"+x+"/gk_action")
+
         generic_stage_target.__init__(self,spec,addlargs)
 	self.settings["image_path"]=self.settings["storedir"]+"/builds/"+self.settings["target_subpath"]+"/image"	
                
@@ -59,8 +75,74 @@
                 cmd("/bin/bash "+self.settings["sharedir"]+"/targets/embedded/embedded.sh package","filesystem packaging failed")
         except CatalystError:
                 self.unbind()
-                raise CatalystError, "embedded filesystem created aborting due to error."
+                raise CatalystError, "embedded filesystem creation aborting due to error."
 
+    def build_kernel(self):
+        mynames=self.settings["boot/kernel"]
+        if type(mynames)==types.StringType:
+            mynames=[mynames]
+        args=[]
+        args.append(`len(mynames)`)
+		
+        for kname in mynames:
+            args.append(kname)
+            args.append(self.settings["boot/kernel/"+kname+"/sources"])
+            try:
+                if not os.path.exists(self.settings["boot/kernel/"+kname+"/config"]):
+                    self.unbind()
+                    raise CatalystError, "Can't find kernel config: " \
+                          +self.settings["boot/kernel/"+kname+"/config"]
+
+            except TypeError:
+                raise CatalystError, "Required value boot/kernel/config not specified"
+			
+            if self.settings.has_key("boot/kernel/"+kname+"/extraversion"):
+                            args.append(self.settings["boot/kernel/"+kname+"/extraversion"])
+            else:
+                args.append("NULL_VALUE")
+	    if self.settings.has_key("boot/kernel/"+kname+"/gk_action"):
+	    		args.append(self.settings["boot/kernel/"+kname+"/gk_action"])
+			
+            for extra in ["use","packages","gk_kernargs"]:
+                if self.settings.has_key("boot/kernel/"+kname+"/"+extra):
+                    myex=self.settings["boot/kernel/"+kname+"/"+extra]
+                    if type(myex)==types.ListType:
+                        myex=string.join(myex)
+                    try:
+                        myf=open(self.settings["chroot_path"]+"/var/tmp/"+kname+"."+extra,"w")
+                    except:
+                        self.unbind()
+                        raise CatalystError,"Couldn't create file /var/tmp/"+kname+"."+extra+" in chroot."
+                    if extra=="use":
+                        myf.write("export USE=\""+myex+"\"\n")
+                    if extra=="gk_kernargs":
+                        myf.write("export clst_embedded_gk_kernargs=\""+myex+"\"\n")
+		    else:
+                        myf.write(myex+"\n")
+                    myf.close()
+            try:
+                cmd("cp "+self.settings["boot/kernel/"+kname+"/config"]+" "+ \
+                    self.settings["chroot_path"]+"/var/tmp/"+kname+".config", \
+                    "Couldn't copy kernel config: "+self.settings["boot/kernel/"+kname+"/config"])
+		
+            except CatalystError:
+                self.unbind()
+                
+                # If we need to pass special options to the bootloader
+                # for this kernel put them into the environment.
+            if self.settings.has_key("boot/kernel/"+kname+"/kernelopts"):
+                myopts=self.settings["boot/kernel/"+kname+"/kernelopts"]
+				
+                if type(myopts) != types.StringType:
+                    myopts = string.join(myopts)
+                os.putenv(kname+"_kernelopts", myopts)
+
+            else:
+                os.putenv(kname+"_kernelopts", "")
+
+                # execute the script that builds the kernel
+            cmd("/bin/bash "+self.settings["sharedir"]+"/targets/embedded/embedded.sh kernel "+list_bashify(args),
+                "Runscript kernel build failed")
 
     def run_local(self):
 	    mypackages=list_bashify(self.settings["embedded/packages"])
@@ -70,8 +152,13 @@
 	    except CatalystError:
 		    self.unbind()
 		    raise CatalystError, "Embedded build aborted due to error."
+
+            if self.settings.has_key("boot/kernel"):
+	     	self.build_kernel()
+
 	    self.unmerge()
 	    self.clean()
+
             self.build_fs()
 
 def register(foo):