merge from open-source master

Change-Id: Ie06ab3b2424480706c644f1a803a6e3de400f15d

target/board/generic_x86/AndroidBoard.mk

@@ -6,3 +6,12 @@ LOCAL_SRC_FILES := init.rc
 LOCAL_MODULE_CLASS := SHARED_LIBRARIES
 LOCAL_MODULE_PATH := $(TARGET_ROOT_OUT)
 include $(BUILD_PREBUILT)
+
+ifeq ($(TARGET_PREBUILT_KERNEL),)
+LOCAL_KERNEL := prebuilt/android-x86/kernel/kernel
+else
+LOCAL_KERNEL := $(TARGET_PREBUILT_KERNEL)
+endif
+
+PRODUCT_COPY_FILES += \
+    $(LOCAL_KERNEL):kernel

target/board/generic_x86/BoardConfig.mk

@@ -9,12 +9,10 @@ USE_CUSTOM_RUNTIME_HEAP_MAX := "32M"
 TARGET_CPU_ABI := x86
 TARGET_USERIMAGES_USE_EXT2 := true
 TARGET_BOOTIMAGE_USE_EXT2 := true
-TARGET_USE_DISKINSTALLER := false
-
-# For KVM
-# BOARD_KERNEL_CMDLINE := console=tty0 console=ttyS1,115200n8 console=tty0 androidboot.hardware=generic_x86 vga=788
-
-# For mrst_ref
-BOARD_KERNEL_CMDLINE := init=/init pci=noearly console=ttyS0 console=ttyS1,115200n8 console=tty0 earlyprintk=mrst loglevel=8 notsc no_percpu_apbt androidboot.hardware=generic_x86 s0ix_latency=160
 
+BOARD_KERNEL_CMDLINE := init=/init console=tty0 androidboot.hardware=generic_x86 vga=788
+TARGET_USE_DISKINSTALLER := true
+TARGET_DISK_LAYOUT_CONFIG := build/target/board/generic_x86/disk_layout.conf
 BOARD_BOOTIMAGE_MAX_SIZE := 8388608
+BOARD_SYSLOADER_MAX_SIZE := 7340032
+BOARD_FLASH_BLOCK_SIZE := 512

target/board/generic_x86/README.txt

@@ -1,6 +1,6 @@
-The generic_x86 board target provides basic services on
+The generic_x86 board target provides basic services on very basic
-very basic hardware. To build with generic_x86, you will
+hardware (really for an emulation). To build with generic_x86, you will
-need an appropriate kernel for your device (or emulation).
+need an appropriate kernel for your emulation (or device).
 
 A1. Create a new top level directory and pull the AOSP repository
         mkdir $HOME/AOSP
@@ -23,4 +23,11 @@ A4. Build
         make -j8
 
 The build will generate some image files whose format may or may not be correct for your
-device.
+device. You can build an installer image disk for the VirtualBox emulator using the command:
+
+A5. Build a VirtualBox installer image
+	cd $HOME/AOSP
+        source build/envsetup.sh
+        lunch generic_x86-eng
+        make -j8 installer_vdi
+

target/board/generic_x86/disk_layout.conf

@@ -0,0 +1,54 @@
+device {
+    path /dev/block/sda
+
+    scheme mbr
+
+    # bytes in a disk sector (== 1 LBA), must be a power of 2!
+    sector_size 512
+
+    # What LBA should the partitions start at?
+    start_lba 2048
+
+    # Autodetect disk size if == 0
+    num_lba 0
+
+    partitions {
+        sysloader {
+            active y
+            type linux
+            len 7M
+        }
+
+        recovery {
+            active y
+            type linux
+            len 16M
+        }
+
+        boot {
+            active y
+            type linux
+            len 8M
+        }
+
+        cache {
+            type linux
+            len 512M
+        }
+
+        system {
+            type linux
+            len 512M
+        }
+
+        third_party {
+            type linux
+            len 512M
+        }
+
+        data {
+            type linux
+            len -1
+        }
+    }
+}