diff options
Diffstat (limited to 'filesystem/filesystem.go')
| -rw-r--r-- | filesystem/filesystem.go | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/filesystem/filesystem.go b/filesystem/filesystem.go index c34677060..dadacae3d 100644 --- a/filesystem/filesystem.go +++ b/filesystem/filesystem.go @@ -162,6 +162,10 @@ type FilesystemProperties struct { // Determines if the module is auto-generated from Soong or not. If the module is // auto-generated, its deps are exempted from visibility enforcement. Is_auto_generated *bool + + // Path to the dev nodes description file. This is only needed for building the ramdisk + // partition and should not be explicitly specified. + Dev_nodes_description_file *string `android:"path" blueprint:"mutated"` } // Additional properties required to generate erofs FS partitions. @@ -210,6 +214,10 @@ func initFilesystemModule(module android.DefaultableModule, filesystemModule *fi filesystemModule.PackagingBase.AllowHighPriorityDeps = true android.InitAndroidMultiTargetsArchModule(module, android.DeviceSupported, android.MultilibCommon) android.InitDefaultableModule(module) + + android.AddLoadHook(module, func(ctx android.LoadHookContext) { + filesystemModule.setDevNodesDescriptionProp() + }) } type depTag struct { @@ -229,6 +237,16 @@ func (t depTagWithVisibilityEnforcementBypass) ExcludeFromVisibilityEnforcement( var dependencyTagWithVisibilityEnforcementBypass = depTagWithVisibilityEnforcementBypass{} +// ramdiskDevNodesDescription is the name of the filegroup module that provides the file that +// contains the description of dev nodes added to the CPIO archive for the ramdisk partition. +const ramdiskDevNodesDescription = "ramdisk_node_list" + +func (f *filesystem) setDevNodesDescriptionProp() { + if proptools.String(f.properties.Partition_name) == "ramdisk" { + f.properties.Dev_nodes_description_file = proptools.StringPtr(":" + ramdiskDevNodesDescription) + } +} + func (f *filesystem) DepsMutator(ctx android.BottomUpMutatorContext) { if proptools.Bool(f.properties.Is_auto_generated) { f.AddDeps(ctx, dependencyTagWithVisibilityEnforcementBypass) @@ -659,6 +677,9 @@ func (f *filesystem) buildCpioImage(ctx android.ModuleContext, compressed bool) cmd := builder.Command(). BuiltTool("mkbootfs"). Text(rootDir.String()) // input directory + if nodeList := f.properties.Dev_nodes_description_file; nodeList != nil { + cmd.FlagWithInput("-n ", android.PathForModuleSrc(ctx, proptools.String(nodeList))) + } if compressed { cmd.Text("|"). BuiltTool("lz4"). @@ -689,6 +710,7 @@ var validPartitions = []string{ "odm_dlkm", "system_dlkm", "ramdisk", + "vendor_ramdisk", } func (f *filesystem) addMakeBuiltFiles(ctx android.ModuleContext, builder *android.RuleBuilder, rootDir android.Path) { @@ -904,3 +926,26 @@ func (f *filesystem) getLibsForLinkerConfig(ctx android.ModuleContext) ([]androi return provideModules, requireModules } + +// Checks that the given file doesn't exceed the given size, and will also print a warning +// if it's nearing the maximum size. Equivalent to assert-max-image-size in make: +// https://cs.android.com/android/platform/superproject/main/+/main:build/make/core/definitions.mk;l=3455;drc=993c4de29a02a6accd60ceaaee153307e1a18d10 +func assertMaxImageSize(builder *android.RuleBuilder, image android.Path, maxSize int64, addAvbLater bool) { + if addAvbLater { + // The value 69632 is derived from MAX_VBMETA_SIZE + MAX_FOOTER_SIZE in avbtool. + // Logic copied from make: + // https://cs.android.com/android/platform/superproject/main/+/main:build/make/core/Makefile;l=228;drc=a6a0007ef24e16c0b79f439beac4a118416717e6 + maxSize -= 69632 + } + cmd := builder.Command() + cmd.Textf(`file="%s"; maxsize="%d";`+ + `total=$(stat -c "%%s" "$file" | tr -d '\n');`+ + `if [ "$total" -gt "$maxsize" ]; then `+ + ` echo "error: $file too large ($total > $maxsize)";`+ + ` false;`+ + `elif [ "$total" -gt $((maxsize - 32768)) ]; then `+ + ` echo "WARNING: $file approaching size limit ($total now; limit $maxsize)";`+ + `fi`, + image, maxSize) + cmd.Implicit(image) +} |