Add debug ramdisk variant

A module will be installed to debug_ramdisk (or
debug_ramdisk/first_stage_ramdisk if recovery as boot is true) if
debug_ramdisk is set to true.

Bug: 184004542
Test: soong test
Change-Id: Ic5a4d27407e506fffa462de2149e0785f11b2ac7

1 files changed, 16 insertions, 0 deletions

diff --git a/android/paths.go b/android/paths.go
index df1222870..9d4b6eca3 100644
--- a/android/paths.go
+++ b/android/paths.go
@@ -107,6 +107,7 @@ type ModuleInstallPathContext interface {
 	InstallInSanitizerDir() bool
 	InstallInRamdisk() bool
 	InstallInVendorRamdisk() bool
+	InstallInDebugRamdisk() bool
 	InstallInRecovery() bool
 	InstallInRoot() bool
 	InstallBypassMake() bool
@@ -1849,6 +1850,16 @@ func modulePartition(ctx ModuleInstallPathContext, os OsType) string {
 			if !ctx.InstallInRoot() {
 				partition += "/system"
 			}
+		} else if ctx.InstallInDebugRamdisk() {
+			// The module is only available after switching root into
+			// /first_stage_ramdisk. To expose the module before switching root
+			// on a device without a dedicated recovery partition, install the
+			// recovery variant.
+			if ctx.DeviceConfig().BoardUsesRecoveryAsBoot() {
+				partition = "debug_ramdisk/first_stage_ramdisk"
+			} else {
+				partition = "debug_ramdisk"
+			}
 		} else if ctx.InstallInRecovery() {
 			if ctx.InstallInRoot() {
 				partition = "recovery/root"
@@ -2019,6 +2030,7 @@ type testModuleInstallPathContext struct {
 	inSanitizerDir  bool
 	inRamdisk       bool
 	inVendorRamdisk bool
+	inDebugRamdisk  bool
 	inRecovery      bool
 	inRoot          bool
 	forceOS         *OsType
@@ -2051,6 +2063,10 @@ func (m testModuleInstallPathContext) InstallInVendorRamdisk() bool {
 	return m.inVendorRamdisk
 }
 
+func (m testModuleInstallPathContext) InstallInDebugRamdisk() bool {
+	return m.inDebugRamdisk
+}
+
 func (m testModuleInstallPathContext) InstallInRecovery() bool {
 	return m.inRecovery
 }