From: SeokYeon Hwang Date: Wed, 9 Apr 2014 05:30:35 +0000 (+0900) Subject: Using initramfs for v86d. X-Git-Tag: submit/tizen_common/20140905.094502~119 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=42141aa285268a6d5f5ce609ce2fef96c572f0d5;p=sdk%2Femulator%2Femulator-kernel.git Using initramfs for v86d. Change-Id: I299da86a1239b6add1befa39c92d20ba4be07069 Signed-off-by: SeokYeon Hwang --- diff --git a/arch/x86/configs/i386_tizen_emul_defconfig b/arch/x86/configs/i386_tizen_emul_defconfig index 768b8f5eeca3..642d92586179 100644 --- a/arch/x86/configs/i386_tizen_emul_defconfig +++ b/arch/x86/configs/i386_tizen_emul_defconfig @@ -158,7 +158,22 @@ CONFIG_UIDGID_STRICT_TYPE_CHECKS=y CONFIG_MM_OWNER=y # CONFIG_SYSFS_DEPRECATED is not set CONFIG_RELAY=y -# CONFIG_BLK_DEV_INITRD is not set +CONFIG_BLK_DEV_INITRD=y +CONFIG_INITRAMFS_SOURCE="ramfs/initramfs" +CONFIG_INITRAMFS_ROOT_UID=0 +CONFIG_INITRAMFS_ROOT_GID=0 +CONFIG_RD_GZIP=y +CONFIG_RD_BZIP2=y +CONFIG_RD_LZMA=y +CONFIG_RD_XZ=y +CONFIG_RD_LZO=y +CONFIG_RD_LZ4=y +CONFIG_INITRAMFS_COMPRESSION_NONE=y +# CONFIG_INITRAMFS_COMPRESSION_GZIP is not set +# CONFIG_INITRAMFS_COMPRESSION_BZIP2 is not set +# CONFIG_INITRAMFS_COMPRESSION_LZMA is not set +# CONFIG_INITRAMFS_COMPRESSION_XZ is not set +# CONFIG_INITRAMFS_COMPRESSION_LZO is not set CONFIG_CC_OPTIMIZE_FOR_SIZE=y CONFIG_SYSCTL=y CONFIG_ANON_INODES=y @@ -375,8 +390,9 @@ CONFIG_MICROCODE_INTEL=y CONFIG_MICROCODE_AMD=y CONFIG_MICROCODE_OLD_INTERFACE=y CONFIG_MICROCODE_INTEL_LIB=y -# CONFIG_MICROCODE_INTEL_EARLY is not set -# CONFIG_MICROCODE_AMD_EARLY is not set +CONFIG_MICROCODE_INTEL_EARLY=y +CONFIG_MICROCODE_AMD_EARLY=y +CONFIG_MICROCODE_EARLY=y CONFIG_X86_MSR=y CONFIG_X86_CPUID=y # CONFIG_NOHIGHMEM is not set @@ -483,6 +499,7 @@ CONFIG_ACPI_PROCESSOR=y # CONFIG_ACPI_PROCESSOR_AGGREGATOR is not set CONFIG_ACPI_THERMAL=y # CONFIG_ACPI_CUSTOM_DSDT is not set +# CONFIG_ACPI_INITRD_TABLE_OVERRIDE is not set CONFIG_ACPI_BLACKLIST_YEAR=0 # CONFIG_ACPI_DEBUG is not set CONFIG_ACPI_PCI_SLOT=y @@ -3524,6 +3541,7 @@ CONFIG_AUDIT_GENERIC=y CONFIG_ZLIB_INFLATE=y CONFIG_LZO_COMPRESS=y CONFIG_LZO_DECOMPRESS=y +CONFIG_LZ4_DECOMPRESS=y CONFIG_XZ_DEC=y CONFIG_XZ_DEC_X86=y CONFIG_XZ_DEC_POWERPC=y @@ -3533,6 +3551,12 @@ CONFIG_XZ_DEC_ARMTHUMB=y CONFIG_XZ_DEC_SPARC=y CONFIG_XZ_DEC_BCJ=y # CONFIG_XZ_DEC_TEST is not set +CONFIG_DECOMPRESS_GZIP=y +CONFIG_DECOMPRESS_BZIP2=y +CONFIG_DECOMPRESS_LZMA=y +CONFIG_DECOMPRESS_XZ=y +CONFIG_DECOMPRESS_LZO=y +CONFIG_DECOMPRESS_LZ4=y CONFIG_HAS_IOMEM=y CONFIG_HAS_IOPORT=y CONFIG_HAS_DMA=y diff --git a/ramfs/busybox b/ramfs/busybox new file mode 100755 index 000000000000..dfe2d8f3eb11 Binary files /dev/null and b/ramfs/busybox differ diff --git a/ramfs/init b/ramfs/init new file mode 100644 index 000000000000..7e0cd17b3e57 --- /dev/null +++ b/ramfs/init @@ -0,0 +1,19 @@ +#!/bin/sh +# SeokYeon Hwang (syeon.hwang@samsung.com) + +COLOR='\033[1;34m' # light blue +NO_COLOR='\033[0m' + +echo -e "${COLOR}Mount proc filesystem${NO_COLOR}" +mount -t proc proc /proc + +echo -e "${COLOR}Mount emulator image${NO_COLOR}" +mount -o rw /dev/vda /new_root + +echo -e "${COLOR}Mount dev filesystem${NO_COLOR}" +/bin/mkdir -p /new_root/dev +/bin/mount -t devtmpfs devtmpfs /new_root/dev +/bin/mkdir -p /new_root/sys + +echo -e "${COLOR}Switching root${NO_COLOR}" +exec switch_root -c /dev/console /new_root /sbin/init diff --git a/ramfs/initramfs b/ramfs/initramfs new file mode 100755 index 000000000000..0a3a2b7f6419 --- /dev/null +++ b/ramfs/initramfs @@ -0,0 +1,31 @@ +# SeokYeon Hwang (syeon.hwang@samsung.com) + +dir /dev 0755 0 0 + +nod /dev/console 0600 0 0 c 5 1 +nod /dev/zero 0600 0 0 c 1 5 +nod /dev/mem 0600 0 0 c 1 1 +nod /dev/vda 0600 0 0 b 254 0 + +dir /root 0700 0 0 +dir /sbin 0755 0 0 +dir /bin 0755 0 0 +dir /new_root 0755 0 0 +dir /proc 0755 0 0 + +file /sbin/v86d ramfs/v86d 0755 0 0 +file /init ramfs/init 0755 0 0 +file /bin/busybox ramfs/busybox 0755 0 0 + +slink /bin/sh /bin/busybox 0755 0 0 +slink /sbin/init /bin/busybox 0755 0 0 +slink /bin/mount /bin/busybox 0755 0 0 +slink /bin/switch_root /bin/busybox 0755 0 0 +slink /bin/mkdir /bin/busybox 0755 0 0 + +#slink /bin/insmod /bin/busybox 0755 0 0 +#slink /bin/cat /bin/busybox 0755 0 0 +#slink /bin/cp /bin/busybox 0755 0 0 +#slink /bin/mknod /bin/busybox 0755 0 0 +#slink /bin/ln /bin/busybox 0755 0 0 + diff --git a/ramfs/v86d b/ramfs/v86d new file mode 100755 index 000000000000..8ed42a8d72f9 Binary files /dev/null and b/ramfs/v86d differ