From 2c45fdd73dc9b8152119b1dd03cfbb303bb705bc Mon Sep 17 00:00:00 2001
From: Michael Janczyk
Date: Fri, 14 Dec 2012 14:04:06 +0100
Subject: FW is now automatically added to the initramfs. Checks are done with
 modinfo.

---
 src/boot-env/OpenSLX/MakeInitRamFS/Engine/Base.pm | 78 +++++++++++++----------
 1 file changed, 46 insertions(+), 32 deletions(-)

(limited to 'src')

diff --git a/src/boot-env/OpenSLX/MakeInitRamFS/Engine/Base.pm b/src/boot-env/OpenSLX/MakeInitRamFS/Engine/Base.pm
index bf96daf6..1eb91e88 100644
--- a/src/boot-env/OpenSLX/MakeInitRamFS/Engine/Base.pm
+++ b/src/boot-env/OpenSLX/MakeInitRamFS/Engine/Base.pm
@@ -278,49 +278,63 @@ sub _copyKernelModules
     # build a list of required firmwares out of the list of modules - not
     # totally optimal
     my @firmwares;
-    $self->addCMD("mkdir -p $self->{'build-path'}/lib/firmware/$self->{'kernel-version'}");
-    foreach my $moduleToBeCopied(%modulesToBeCopied) {
+    foreach my $moduleToBeCopied(sort keys %modulesToBeCopied) {
     	$moduleToBeCopied =~ /.*\/(.*?)$/;
-        # implies usage of switch
-        vlog(1,$1);
-        switch ($1){
-            case "bnx2.ko" {push @firmwares, split ' ', "bnx2/"}
-            case "bnx2x.ko" {push @firmwares, split ' ', "bnx2x/"}
-            case "e100.ko" {push @firmwares, split ' ', "e100"}
-            case "iwlwifi" {
-                push @firmwares, split ' ',
-                "iwlwifi-3945-1.ucode iwlwifi-3945-2.ucode iwlwifi-4965-1.ucode iwlwifi-4965-2.ucode iwlwifi-5000-1.ucode"
-            }
-            # modules required for graphic adaptors (bootsplash, Xorg)
-            case "radeon.ko" {push @firmwares, split ' ', "radeon/"}
-            case "mga.ko" {push @firmwares, split ' ', "matrox/"}
-            case "r128.ko" {push @firmwares, split ' ', "r128/"}
-            case "r8169.ko" {push @firmwares, split ' ', "rtl_nic/"}
-            case "tg3.ko" {push @firmwares, split ' ', "tigon/"}
+        # use modinfo to check if module depends on firmware, and add it
+        my @dependsFirmware = `modinfo -F firmware $self->{'root-path'}/$moduleToBeCopied`;
+        foreach my $firmware(@dependsFirmware) {
+            push @firmwares, split ' ', "$firmware";
         }
+        # old static copy
+        ## implies usage of switch
+        #vlog(1,$1);
+        #switch ($1){
+        #    #case "bnx2.ko" {push @firmwares, split ' ', "bnx2/"}
+        #    #case "bnx2x.ko" {push @firmwares, split ' ', "bnx2x/"}
+        #    case "e100.ko" {push @firmwares, split ' ', "e100"}
+        #    case "iwlwifi" {
+        #        push @firmwares, split ' ',
+        #        "iwlwifi-3945-1.ucode iwlwifi-3945-2.ucode iwlwifi-4965-1.ucode iwlwifi-4965-2.ucode iwlwifi-5000-1.ucode"
+        #    }
+        #    # modules required for graphic adaptors (bootsplash, Xorg)
+        #    case "radeon.ko" {push @firmwares, split ' ', "radeon/"}
+        #    case "mga.ko" {push @firmwares, split ' ', "matrox/"}
+        #    case "r128.ko" {push @firmwares, split ' ', "r128/"}
+        #    case "r8169.ko" {push @firmwares, split ' ', "rtl_nic/"}
+        #    case "tg3.ko" {push @firmwares, split ' ', "tigon/"}
+        #}
     }
+
     # copy all the firmwares that we think are required
     foreach my $firmwareToBeCopied (@firmwares) {
-        my $source = followLink(
-            "$self->{'root-path'}/lib/firmware/$self->{'kernel-version'}/$firmwareToBeCopied", $self->{'root-path'}
+        my $firmwareSource = followLink(
+            "$self->{'root-path'}/lib/firmware/$firmwareToBeCopied" ,
+            $self->{'root-path'}
         );
-        my $alternative_source = followLink(
-            "$self->{'root-path'}/lib/firmware/$firmwareToBeCopied", $self->{'root-path'}
+        my $kernelFWSource = followLink(
+            "$self->{'root-path'}/lib/firmware/$self->{'kernel-version'}/" .
+            "$firmwareToBeCopied", $self->{'root-path'}
         );
-        if (-e $source){
-        	my $target = "$self->{'build-path'}/lib/firmware/$self->{'kernel-version'}/";
-        	
-        	$self->addCMD("cp -pr --dereference $source $target");
+
+        if (-e $firmwareSource){
+       	    my $targetDir = dirname("$self->{'build-path'}/lib/firmware/" .
+                "$firmwareToBeCopied");
+       	    $self->addCMD("mkdir -p $targetDir; \
+                cp -pr --dereference $firmwareSource $targetDir");
         } else {
-            vlog(3,"unable to find $source for copying purposes");
+            vlog(3,"unable to find $firmwareSource for copying purposes");
         }
-        if (-e $alternative_source){
-        	my $target = "$self->{'build-path'}/lib/firmware/";
-        	
-        	$self->addCMD("cp -pr --dereference $alternative_source $target");
+
+        if (-e $kernelFWSource){
+            my $targetDir = dirname("$self->{'build-path'}/lib/firmware/" .
+                "$self->{'kernel-version'}/$firmwareToBeCopied");
+       	    $self->addCMD("mkdir -p $targetDir; \
+                cp -pr --dereference $kernelFWSource $targetDir");
+        } else {
+            vlog(3,"unable to find $kernelFWSource for copying purposes");
         }
     }	
-    
+
     # copy all the modules that we think are required
     foreach my $moduleToBeCopied (sort keys %modulesToBeCopied) {
         my $source = followLink(
-- 
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