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Commit 90bfda1c authored by Isaac Chen's avatar Isaac Chen
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Change emulator system image to unsparse format 

Currently, emulator system image is the non-legasy GSI, which is in sparse
format. Several internal clients don't support sparse format, and other
internal/external clients usually support both. The reason to choose sparse
format for GSI may not be valid any more. See bug for detail.

Bug: 130341962
Test: Checked the header of system.img to see if it's unsparse.
      Boot emulator aosp_x86 successfully.
      Boot mixed GSI and CF x86 successfully.

Change-Id: I839f49809429227607b2e876a4a3628df43a97b4
parent 289fa3ce

target/board/BoardConfigEmuCommon.mk

+3 −0
Original line number Diff line number Diff line
@@ -20,6 +20,9 @@ BUILD_QEMU_IMAGES := true 
# the GLES renderer disables itself if host GL acceleration isn't available.

USE_OPENGL_RENDERER := true



# Emulator doesn't support sparse image format.

TARGET_USERIMAGES_SPARSE_EXT_DISABLED := true



# ~140 MB vendor image. Please adjust system image / vendor image sizes

# when finalizing them. The partition size needs to be a multiple of image

# block size: 4096.

target/board/BoardConfigGsiCommon.mk

+0 −5
Original line number Diff line number Diff line
@@ -9,11 +9,6 @@ include build/make/target/board/BoardConfigMainlineCommon.mk 
# This flag is set by mainline but isn't desired for GSI.

BOARD_USES_SYSTEM_OTHER_ODEX :=



# GSIs are historically released in sparse format.

# Some vendors' bootloaders don't work properly with raw format images. So

# we explicit specify this need below (even though it's the current default).

TARGET_USERIMAGES_SPARSE_EXT_DISABLED := false



# system.img is always ext4 with sparse option

# GSI also includes make_f2fs to support userdata parition in f2fs

# for some devices