Update 2024-07-17-qemu_linux_61.md

_posts/2024-07-17-qemu_linux_61.md

@@ -12,6 +12,56 @@ tags:
     - Qemu
 ---
 
+# Before start
+
 Before you start to follow this guide. You might need to read this [link](https://huangweiliang.github.io/2022/09/30/qemu-android-kernel/) first.
 
+# Fetch the android kernel version 6.1
+
+From this Google [link](https://source.android.com/docs/devices/cuttlefish/kernel-dev) we can get to know the branch inforamtion of android kernel.
+
+~~~
+ mkdir android-kernel && cd android-kernel
+ repo init -u https://android.googlesource.com/kernel/manifest -b common-android14-6.1-lts
+ repo sync -c -d -j8
+~~~
+
+
+# Necessary change need be done before build
+
+For the folder common which is the kernel source code location.  Please do following change:
+
+~~~
+diff --git a/arch/arm64/configs/gki_defconfig b/arch/arm64/configs/gki_defconfig
+index bc18ada0bd54..eeab358fa3ed 100644
+--- a/arch/arm64/configs/gki_defconfig
++++ b/arch/arm64/configs/gki_defconfig
+@@ -744,3 +744,17 @@ CONFIG_KUNIT=y
+ CONFIG_KUNIT_DEBUGFS=y
+ # CONFIG_KUNIT_DEFAULT_ENABLED is not set
+ # CONFIG_RUNTIME_TESTING_MENU is not set
++
++CONFIG_INITRAMFS_SOURCE="/media/nvme1/temp/rootfs/rfs"
++CONFIG_VIRTIO_PCI=y
++CONFIG_VIRTIO_BALLOON=y
++CONFIG_VIRTIO_BLK=y
++CONFIG_VIRTIO_NET=y
++CONFIG_9P_FS_SECURITY=y
++CONFIG_NET_9P=y
++CONFIG_NET_9P_VIRTIO=y
++CONFIG_NET_9P_DEBUG=y
++CONFIG_9P_FS=y
++CONFIG_9P_FS_POSIX_ACL=y
++
++
+diff --git a/build.config.gki b/build.config.gki
+index 4b931d9eb333..da87a30d24e8 100644
+--- a/build.config.gki
++++ b/build.config.gki
+@@ -1,2 +1,2 @@
+ DEFCONFIG=gki_defconfig
+-POST_DEFCONFIG_CMDS="check_defconfig"
++###POST_DEFCONFIG_CMDS="check_defconfig"
+
+~~~