Add base_dir property to filesystem

Deps have been installed to "system/" because of hard-coded mount point
"system". Now they are installed to base_dir, and mount point is set to
root.

Bug: 179652970
Test: see contents of microdroid.img
Change-Id: Ie03b539a1688db7002bb178823b39017a83ce840
This commit is contained in:
Inseob Kim
2021-02-15 17:01:04 +09:00
parent 404adeefdc
commit 2ce1b5dc3a

View File

@@ -54,6 +54,10 @@ type filesystemProperties struct {
// file_contexts file to make image. Currently, only ext4 is supported.
File_contexts *string `android:"path"`
// Base directory relative to root, to which deps are installed, e.g. "system". Default is "."
// (root).
Base_dir *string
}
// android_filesystem packages a set of modules and their transitive dependencies into a filesystem
@@ -124,16 +128,50 @@ func (f *filesystem) GenerateAndroidBuildActions(ctx android.ModuleContext) {
ctx.InstallFile(f.installDir, f.installFileName(), f.output)
}
// root zip will contain stuffs like dirs or symlinks.
func (f *filesystem) buildRootZip(ctx android.ModuleContext) android.OutputPath {
rootDir := android.PathForModuleGen(ctx, "root").OutputPath
builder := android.NewRuleBuilder(pctx, ctx)
builder.Command().Text("rm -rf").Text(rootDir.String())
builder.Command().Text("mkdir -p").Text(rootDir.String())
// Currently root.zip is empty, and just a placeholder now. Dirs and symlinks will be added.
zipOut := android.PathForModuleGen(ctx, "root.zip").OutputPath
builder.Command().
BuiltTool("soong_zip").
FlagWithOutput("-o ", zipOut).
FlagWithArg("-C ", rootDir.String()).
Flag("-L 0"). // no compression because this will be unzipped soon
FlagWithArg("-D ", rootDir.String()).
Flag("-d") // include empty directories
builder.Command().Text("rm -rf").Text(rootDir.String())
builder.Build("zip_root", fmt.Sprintf("zipping root contents for %s", ctx.ModuleName()))
return zipOut
}
func (f *filesystem) buildImageUsingBuildImage(ctx android.ModuleContext) android.OutputPath {
zipFile := android.PathForModuleOut(ctx, "temp.zip").OutputPath
f.CopyDepsToZip(ctx, zipFile)
depsZipFile := android.PathForModuleOut(ctx, "deps.zip").OutputPath
f.CopyDepsToZip(ctx, depsZipFile)
builder := android.NewRuleBuilder(pctx, ctx)
depsBase := proptools.StringDefault(f.properties.Base_dir, ".")
rebasedDepsZip := android.PathForModuleOut(ctx, "rebased_deps.zip").OutputPath
builder.Command().
BuiltTool("zip2zip").
FlagWithInput("-i ", depsZipFile).
FlagWithOutput("-o ", rebasedDepsZip).
Text("**/*:" + proptools.ShellEscape(depsBase)) // zip2zip verifies depsBase
rootDir := android.PathForModuleOut(ctx, "root").OutputPath
builder := android.NewRuleBuilder(pctx, ctx)
rootZip := f.buildRootZip(ctx)
builder.Command().
BuiltTool("zipsync").
FlagWithArg("-d ", rootDir.String()). // zipsync wipes this. No need to clear.
Input(zipFile)
Input(rootZip).
Input(rebasedDepsZip)
propFile, toolDeps := f.buildPropFile(ctx)
output := android.PathForModuleOut(ctx, f.installFileName()).OutputPath
@@ -187,7 +225,7 @@ func (f *filesystem) buildPropFile(ctx android.ModuleContext) (propFile android.
}
addStr("fs_type", fsTypeStr(f.fsType(ctx)))
addStr("mount_point", "system")
addStr("mount_point", "/")
addStr("use_dynamic_partition_size", "true")
addPath("ext_mkuserimg", ctx.Config().HostToolPath(ctx, "mkuserimg_mke2fs"))
// b/177813163 deps of the host tools have to be added. Remove this.
@@ -233,15 +271,25 @@ func (f *filesystem) buildCpioImage(ctx android.ModuleContext, compressed bool)
ctx.PropertyErrorf("file_contexts", "file_contexts is not supported for compressed cpio image.")
}
zipFile := android.PathForModuleOut(ctx, "temp.zip").OutputPath
f.CopyDepsToZip(ctx, zipFile)
depsZipFile := android.PathForModuleOut(ctx, "deps.zip").OutputPath
f.CopyDepsToZip(ctx, depsZipFile)
builder := android.NewRuleBuilder(pctx, ctx)
depsBase := proptools.StringDefault(f.properties.Base_dir, ".")
rebasedDepsZip := android.PathForModuleOut(ctx, "rebased_deps.zip").OutputPath
builder.Command().
BuiltTool("zip2zip").
FlagWithInput("-i ", depsZipFile).
FlagWithOutput("-o ", rebasedDepsZip).
Text("**/*:" + proptools.ShellEscape(depsBase)) // zip2zip verifies depsBase
rootDir := android.PathForModuleOut(ctx, "root").OutputPath
builder := android.NewRuleBuilder(pctx, ctx)
rootZip := f.buildRootZip(ctx)
builder.Command().
BuiltTool("zipsync").
FlagWithArg("-d ", rootDir.String()). // zipsync wipes this. No need to clear.
Input(zipFile)
Input(rootZip).
Input(rebasedDepsZip)
output := android.PathForModuleOut(ctx, f.installFileName()).OutputPath
cmd := builder.Command().