diff options
| -rwxr-xr-x | scripts/mkroot.sh | 501 |
1 files changed, 115 insertions, 386 deletions
diff --git a/scripts/mkroot.sh b/scripts/mkroot.sh index 75ab0eeb..e27c06b4 100755 --- a/scripts/mkroot.sh +++ b/scripts/mkroot.sh @@ -6,20 +6,16 @@ CROSS_COMPILE="$CROSS_COMPILE" CROSS_SHORT="$CROSS_SHORT" "$0" "$@" # assign command line NAME=VALUE args to env vars -while [ $# -ne 0 ] -do - X="${1/=*/}" - Y="${1#*=}" +while [ $# -ne 0 ]; do + X="${1/=*/}" Y="${1#*=}" [ "${1/=/}" != "$1" ] && eval "export $X=\"\$Y\"" || echo "unknown $i" shift done # If we're cross compiling, set appropriate environment variables. -if [ -z "$CROSS_COMPILE" ] -then +if [ -z "$CROSS_COMPILE" ]; then echo "Building natively" - if ! cc --static -xc - -o /dev/null <<< "int main(void) {return 0;}" - then + if ! cc --static -xc - -o /dev/null <<< "int main(void) {return 0;}"; then echo "Warning: host compiler can't create static binaries." >&2 sleep 3 fi @@ -28,8 +24,7 @@ else CROSS_BASE="$(basename "$CROSS_COMPILE")" [ -z "$CROSS_SHORT" ] && CROSS_SHORT="${CROSS_BASE/-*/}" echo "Cross compiling to $CROSS_SHORT" - if [ -z "$CROSS_PATH" ] - then + if [ -z "$CROSS_PATH" ]; then echo "no ${CROSS_COMPILE}cc in path" >&2 exit 1 fi @@ -45,10 +40,8 @@ MYBUILD="$BUILD/${CROSS_BASE:-host-}tmp" rm -rf "$MYBUILD" && mkdir -p "$MYBUILD" || exit 1 # Stabilize cross compiling by providing known $PATH contents -if [ ! -z "$CROSS_COMPILE" ] -then - if [ ! -e "$AIRLOCK/toybox" ] - then +if [ ! -z "$CROSS_COMPILE" ]; then + if [ ! -e "$AIRLOCK/toybox" ]; then echo === Create airlock dir PREFIX="$AIRLOCK" KCONFIG_CONFIG="$TOP"/.airlock CROSS_COMPILE= \ @@ -71,8 +64,7 @@ export PATH=/bin:/sbin mountpoint -q proc || mount -t proc proc proc mountpoint -q sys || mount -t sysfs sys sys -if ! mountpoint -q dev -then +if ! mountpoint -q dev; then mount -t devtmpfs dev dev || mdev -s for i in ,fd /0,stdin /1,stdout /2,stderr do ln -sf /proc/self/fd${i/,*/} dev/${i/*,/}; done @@ -81,8 +73,7 @@ then chmod +t /dev/shm fi -if [ $$ -eq 1 ] -then +if [ $$ -eq 1 ]; then # Setup networking for QEMU (needs /proc) ifconfig eth0 10.0.2.15 route add default gw 10.0.2.2 @@ -102,29 +93,21 @@ fi EOF chmod +x "$ROOT"/init && -# /etc/passwd with both kernel special accounts (root and nobody) + guest user +# passwd and group with kernel special accounts (root and nobody) + guest user cat > "$ROOT"/etc/passwd << 'EOF' && -root::0:0:root:/root:/bin/sh +echo -e 'root::0:0:root:/root:/bin/sh guest:x:500:500:guest:/home/guest:/bin/sh nobody:x:65534:65534:nobody:/proc/self:/dev/null EOF - -# /etc/group with groups corresponding to each /etc/passwd user -cat > "$ROOT"/etc/group << 'EOF' && -root:x:0: -guest:x:500: -nobody:x:65534: -EOF +echo -e 'root:x:0:\nguest:x:500:\nnobody:x:65534:' > "$ROOT"/etc/group && # /etc/resolv.conf using Google's public nameserver. (We could use QEMU's # 10.0.2.2 forwarder here, but this way works in both chroot and QEMU.) echo "nameserver 8.8.8.8" > "$ROOT"/etc/resolv.conf || exit 1 # Build toybox - make clean -if [ -z .config ] -then +if [ -z .config ]; then make defconfig # Work around musl-libc design flaw. [ "${CROSS_BASE/fdpic//}" != "$CROSS_BASE" ] && @@ -134,376 +117,122 @@ else fi LDFLAGS=--static PREFIX="$ROOT" make toybox install || exit 1 -# Abort early if no kernel source specified -if [ -z "$LINUX" ] || [ ! -d "$LINUX/kernel" ] -then - echo 'No $LINUX directory, kernel build skipped.' - rmdir "$MYBUILD" "$BUILD" 2>/dev/null - exit 0 -fi - -# Which architecture are we building a kernel for? -[ -z "$TARGET" ] && TARGET="${CROSS_BASE/-*/}" -[ -z "$TARGET" ] && TARGET="$(uname -m)" - -# Target-specific info in an (alphabetical order) if/else staircase -# Each target needs board config, serial console, RTC, ethernet, block device. - -if [ "$TARGET" == armv5l ] -then - - # This could use the same VIRT board as armv7, but let's demonstrate a - # different one requiring a separate device tree binary. - QEMU="qemu-system-arm -M versatilepb -net nic,model=rtl8139 -net user" - KARCH=arm - KARGS="console=ttyAMA0" - VMLINUX=arch/arm/boot/zImage - KERNEL_CONFIG=" -CONFIG_CPU_ARM926T=y -CONFIG_MMU=y -CONFIG_VFP=y -CONFIG_ARM_THUMB=y -CONFIG_AEABI=y -CONFIG_ARCH_VERSATILE=y - -# The switch to device-tree-only added this mess -CONFIG_ATAGS=y -CONFIG_DEPRECATED_PARAM_STRUCT=y -CONFIG_ARM_ATAG_DTB_COMPAT=y -CONFIG_ARM_ATAG_DTB_COMPAT_CMDLINE_EXTEND=y - -CONFIG_SERIAL_AMBA_PL011=y -CONFIG_SERIAL_AMBA_PL011_CONSOLE=y - -CONFIG_RTC_CLASS=y -CONFIG_RTC_DRV_PL031=y -CONFIG_RTC_HCTOSYS=y - -CONFIG_PCI=y -CONFIG_PCI_VERSATILE=y -CONFIG_BLK_DEV_SD=y -CONFIG_SCSI=y -CONFIG_SCSI_LOWLEVEL=y -CONFIG_SCSI_SYM53C8XX_2=y -CONFIG_SCSI_SYM53C8XX_DMA_ADDRESSING_MODE=0 -CONFIG_SCSI_SYM53C8XX_MMIO=y - -CONFIG_NET_VENDOR_REALTEK=y -CONFIG_8139CP=y -" - DTB=arch/arm/boot/dts/versatile-pb.dtb -elif [ "$TARGET" == armv7l ] || [ "$TARGET" == aarch64 ] -then - if [ "$TARGET" == aarch64 ] - then - QEMU="qemu-system-aarch64 -M virt -cpu cortex-a57" - KARCH=arm64 - VMLINUX=arch/arm64/boot/Image - else - QEMU="qemu-system-arm -M virt" - KARCH=arm - VMLINUX=arch/arm/boot/zImage - fi - KARGS="console=ttyAMA0" - KERNEL_CONFIG=" -CONFIG_MMU=y -CONFIG_ARCH_MULTI_V7=y -CONFIG_ARCH_VIRT=y -CONFIG_SOC_DRA7XX=y -CONFIG_ARCH_OMAP2PLUS_TYPICAL=y -CONFIG_ARCH_ALPINE=y -CONFIG_ARM_THUMB=y -CONFIG_VDSO=y -CONFIG_CPU_IDLE=y -CONFIG_ARM_CPUIDLE=y -CONFIG_KERNEL_MODE_NEON=y - -CONFIG_SERIAL_AMBA_PL011=y -CONFIG_SERIAL_AMBA_PL011_CONSOLE=y - -CONFIG_RTC_CLASS=y -CONFIG_RTC_HCTOSYS=y -CONFIG_RTC_DRV_PL031=y - -CONFIG_NET_CORE=y -CONFIG_VIRTIO_MENU=y -CONFIG_VIRTIO_NET=y - -CONFIG_PCI=y -CONFIG_PCI_HOST_GENERIC=y -CONFIG_VIRTIO_BLK=y -CONFIG_VIRTIO_PCI=y -CONFIG_VIRTIO_MMIO=y - -CONFIG_ATA=y -CONFIG_ATA_SFF=y -CONFIG_ATA_BMDMA=y -CONFIG_ATA_PIIX=y - -CONFIG_PATA_PLATFORM=y -CONFIG_PATA_OF_PLATFORM=y -CONFIG_ATA_GENERIC=y -" -elif [ "$TARGET" == i486 ] || [ "$TARGET" == i686 ] || - [ "$TARGET" == x86_64 ] || [ "$TARGET" == x32 ] -then - if [ "$TARGET" == i486 ] - then - QEMU="qemu-system-i386 -cpu 486 -global fw_cfg.dma_enabled=false" - KERNEL_CONFIG="CONFIG_M486=y" - elif [ "$TARGET" == i686 ] - then - QEMU="qemu-system-i386 -cpu pentium3" - KERNEL_CONFIG="CONFIG_MPENTIUMII=y" - else - QEMU=qemu-system-x86_64 - KERNEL_CONFIG="CONFIG_64BIT=y" - [ "$TARGET" == x32 ] && KERNEL_CONFIG="$KERNEL_CONFIG -CONFIG_X86_X32=y" - fi - KARCH=x86 - KARGS="console=ttyS0" - VMLINUX=arch/x86/boot/bzImage - CONFIG_MPENTIUMII=y - KERNEL_CONFIG=" -$KERNEL_CONFIG - -CONFIG_UNWINDER_FRAME_POINTER=y - -CONFIG_PCI=y -CONFIG_BLK_DEV_SD=y -CONFIG_ATA=y -CONFIG_ATA_SFF=y -CONFIG_ATA_BMDMA=y -CONFIG_ATA_PIIX=y - -CONFIG_NET_VENDOR_INTEL=y -CONFIG_E1000=y -CONFIG_SERIAL_8250=y -CONFIG_SERIAL_8250_CONSOLE=y -CONFIG_RTC_CLASS=y -" -elif [ "$TARGET" == mips ] || [ "$TARGET" == mipsel ] -then - QEMU="qemu-system-mips -M malta" - KARCH=mips - KARGS="console=ttyS0" - VMLINUX=vmlinux - KERNEL_CONFIG=" -CONFIG_MIPS_MALTA=y -CONFIG_CPU_MIPS32_R2=y -CONFIG_SERIAL_8250=y -CONFIG_SERIAL_8250_CONSOLE=y - -CONFIG_PCI=y -CONFIG_BLK_DEV_SD=y -CONFIG_ATA=y -CONFIG_ATA_SFF=y -CONFIG_ATA_BMDMA=y -CONFIG_ATA_PIIX=y - -CONFIG_NET_VENDOR_AMD=y -CONFIG_PCNET32=y - -CONFIG_POWER_RESET=y -CONFIG_POWER_RESET_SYSCON=y -" - [ "$TARGET" == mipsel ] && - KERNEL_CONFIG="${KERNEL_CONFIG}CONFIG_CPU_LITTLE_ENDIAN=y" && - QEMU="qemu-system-mipsel -M malta" -elif [ "$TARGET" == powerpc ] -then - KARCH=powerpc - QEMU="qemu-system-ppc -M g3beige" - KARGS="console=ttyS0" - VMLINUX=vmlinux - KERNEL_CONFIG=" -CONFIG_ALTIVEC=y -CONFIG_PPC_PMAC=y -CONFIG_PPC_OF_BOOT_TRAMPOLINE=y - -CONFIG_IDE=y -CONFIG_IDE_GD=y -CONFIG_IDE_GD_ATA=y -CONFIG_BLK_DEV_IDE_PMAC=y -CONFIG_BLK_DEV_IDE_PMAC_ATA100FIRST=y - -CONFIG_MACINTOSH_DRIVERS=y -CONFIG_ADB=y -CONFIG_ADB_CUDA=y - -CONFIG_NET_VENDOR_NATSEMI=y -CONFIG_NET_VENDOR_8390=y -CONFIG_NE2K_PCI=y - -CONFIG_SERIO=y -CONFIG_SERIAL_PMACZILOG=y -CONFIG_SERIAL_PMACZILOG_TTYS=y -CONFIG_SERIAL_PMACZILOG_CONSOLE=y -CONFIG_BOOTX_TEXT=y -" -elif [ "$TARGET" == powerpc64le ] -then - KARCH=powerpc - QEMU="qemu-system-ppc64 -M pseries -vga none" - KARGS="console=/dev/hvc0" - VMLINUX=vmlinux - KERNEL_CONFIG="CONFIG_PPC64=y -CONFIG_PPC_PSERIES=y -CONFIG_CPU_LITTLE_ENDIAN=y -CONFIG_PPC_OF_BOOT_TRAMPOLINE=y - -CONFIG_BLK_DEV_SD=y -CONFIG_SCSI_LOWLEVEL=y -CONFIG_SCSI_IBMVSCSI=y -CONFIG_ATA=y - -CONFIG_NET_VENDOR_IBM=y -CONFIG_IBMVETH=y -CONFIG_HVC_CONSOLE=y - -# None of this should be necessary -CONFIG_PPC_TRANSACTIONAL_MEM=y -CONFIG_PPC_DISABLE_WERROR=y -CONFIG_SECTION_MISMATCH_WARN_ONLY=y -" -elif [ "$TARGET" = s390x ] -then - QEMU="qemu-system-s390x" - KARCH=s390 - VMLINUX=arch/s390/boot/bzImage - KERNEL_CONFIG=" -CONFIG_MARCH_Z900=y -CONFIG_PACK_STACK=y -CONFIG_NET_CORE=y -CONFIG_VIRTIO_NET=y -CONFIG_VIRTIO_BLK=y -CONFIG_SCLP_TTY=y -CONFIG_SCLP_CONSOLE=y -CONFIG_SCLP_VT220_TTY=y -CONFIG_SCLP_VT220_CONSOLE=y -CONFIG_S390_GUEST=y -" -elif [ "$TARGET" == sh4 ] -then - QEMU="qemu-system-sh4 -M r2d -serial null -serial mon:stdio" - KARCH=sh - KARGS="console=ttySC1 noiotrap" - VMLINUX=arch/sh/boot/zImage - KERNEL_CONFIG=" -CONFIG_CPU_SUBTYPE_SH7751R=y -CONFIG_MMU=y -CONFIG_MEMORY_START=0x0c000000 -CONFIG_VSYSCALL=y -CONFIG_SH_FPU=y -CONFIG_SH_RTS7751R2D=y -CONFIG_RTS7751R2D_PLUS=y -CONFIG_SERIAL_SH_SCI=y -CONFIG_SERIAL_SH_SCI_CONSOLE=y - -CONFIG_PCI=y -CONFIG_NET_VENDOR_REALTEK=y -CONFIG_8139CP=y +write_miniconfig() +{ + # Generic options for all targets + KCGLOB=EARLY_PRINTK,BINFMT_ELF,BINFMT_SCRIPT,NO_HZ,HIGH_RES_TIMERS,BLK_DEV,BLK_DEV_INITRD,RD_GZIP,BLK_DEV_LOOP,EXT4_FS,EXT4_USE_FOR_EXT2,VFAT_FS,FAT_DEFAULT_UTF8,MISC_FILESYSTEMS,SQUASHFS,SQUASHFS_XATTR,SQUASHFS_ZLIB,DEVTMPFS,DEVTMPFS_MOUNT,TMPFS,TMPFS_POSIX_ACL,NET,PACKET,UNIX,INET,IPV6,NETDEVICES,NET_CORE,NETCONSOLE,ETHERNET -CONFIG_PCI=y -CONFIG_BLK_DEV_SD=y -CONFIG_ATA=y -CONFIG_ATA_SFF=y -CONFIG_ATA_BMDMA=y -CONFIG_PATA_PLATFORM=y + echo "# make ARCH=$KARCH allnoconfig KCONFIG_ALLCONFIG=$TARGET.miniconf" + echo "# make ARCH=$KARCH -j \$(nproc)" + echo "# boot $VMLINUX" + echo + echo "# CONFIG_EMBEDDED is not set" + + # Expand list of =y symbols + for i in $KCGLOB $KCONF; do + echo "# architecture ${X:-independent}" + sed -E '/^$/d;s/([^,]*)($|,)/CONFIG_\1=y\n/g' <<< "$i" + X=specific + done + echo "$KERNEL_CONFIG" +} -CONFIG_BINFMT_ELF_FDPIC=y -CONFIG_BINFMT_FLAT=y +if [ -z "$LINUX" ] || [ ! -d "$LINUX/kernel" ]; then + echo 'No $LINUX directory, kernel build skipped.' +else + # Which architecture are we building a kernel for? + [ -z "$TARGET" ] && TARGET="${CROSS_BASE/-*/}" + [ -z "$TARGET" ] && TARGET="$(uname -m)" + + # Target-specific info in an (alphabetical order) if/else staircase + # Each target needs board config, serial console, RTC, ethernet, block device. + + if [ "$TARGET" == armv5l ]; then + + # This could use the same VIRT board as armv7, but let's demonstrate a + # different one requiring a separate device tree binary. + QEMU="arm -M versatilepb -net nic,model=rtl8139 -net user" + KARCH=arm KARGS="console=ttyAMA0" VMLINUX=arch/arm/boot/zImage + KCONF=CPU_ARM926T,MMU,VFP,ARM_THUMB,AEABI,ARCH_VERSATILE,ATAGS,DEPRECATED_PARAM_STRUCT,ARM_ATAG_DTB_COMPAT,ARM_ATAG_DTB_COMPAT_CMDLINE_EXTEND,SERIAL_AMBA_PL011,SERIAL_AMBA_PL011_CONSOLE,RTC_CLASS,RTC_DRV_PL031,RTC_HCTOSYS,PCI,PCI_VERSATILE,BLK_DEV_SD,SCSI,SCSI_LOWLEVEL,SCSI_SYM53C8XX_2,SCSI_SYM53C8XX_MMIO,NET_VENDOR_REALTEK,8139CP + KERNEL_CONFIG="CONFIG_SCSI_SYM53C8XX_DMA_ADDRESSING_MODE=0" + DTB=arch/arm/boot/dts/versatile-pb.dtb + elif [ "$TARGET" == armv7l ] || [ "$TARGET" == aarch64 ]; then + if [ "$TARGET" == aarch64 ]; then + QEMU="aarch64 -M virt -cpu cortex-a57" + KARCH=arm64 VMLINUX=arch/arm64/boot/Image + else + QEMU="arm -M virt" KARCH=arm VMLINUX=arch/arm/boot/zImage + fi + KARGS="console=ttyAMA0" + KCONF=MMU,ARCH_MULTI_V7,ARCH_VIRT,SOC_DRA7XX,ARCH_OMAP2PLUS_TYPICAL,ARCH_ALPINE,ARM_THUMB,VDSO,CPU_IDLE,ARM_CPUIDLE,KERNEL_MODE_NEON,SERIAL_AMBA_PL011,SERIAL_AMBA_PL011_CONSOLE,RTC_CLASS,RTC_HCTOSYS,RTC_DRV_PL031,NET_CORE,VIRTIO_MENU,VIRTIO_NET,PCI,PCI_HOST_GENERIC,VIRTIO_BLK,VIRTIO_PCI,VIRTIO_MMIO,ATA,ATA_SFF,ATA_BMDMA,ATA_PIIX,PATA_PLATFORM,PATA_OF_PLATFORM,ATA_GENERIC + elif [ "$TARGET" == i486 ] || [ "$TARGET" == i686 ] || + [ "$TARGET" == x86_64 ] || [ "$TARGET" == x32 ]; then + if [ "$TARGET" == i486 ]; then + QEMU="i386 -cpu 486 -global fw_cfg.dma_enabled=false" KCONF=M486 + elif [ "$TARGET" == i686 ]; then + QEMU="i386 -cpu pentium3" KCONF=MPENTIUMII + else + QEMU=x86_64 KCONF=64BIT + [ "$TARGET" == x32 ] && KCONF=X86_X32 + fi + KARCH=x86 KARGS="console=ttyS0" VMLINUX=arch/x86/boot/bzImage + KCONF=$KCONF,UNWINDER_FRAME_POINTER,PCI,BLK_DEV_SD,ATA,ATA_SFF,ATA_BMDMA,ATA_PIIX,NET_VENDOR_INTEL,E1000,SERIAL_8250,SERIAL_8250_CONSOLE,RTC_CLASS + elif [ "$TARGET" == mips ] || [ "$TARGET" == mipsel ]; then + QEMU="mips -M malta" KARCH=mips KARGS="console=ttyS0" VMLINUX=vmlinux + KCONF=MIPS_MALTA,CPU_MIPS32_R2,SERIAL_8250,SERIAL_8250_CONSOLE,PCI,BLK_DEV_SD,ATA,ATA_SFF,ATA_BMDMA,ATA_PIIX,NET_VENDOR_AMD,PCNET32,POWER_RESET,POWER_RESET_SYSCON + [ "$TARGET" == mipsel ] && KCONF=$KCONF,CPU_LITTLE_ENDIAN && + QEMU="mipsel -M malta" + elif [ "$TARGET" == powerpc ]; then + KARCH=powerpc QEMU="ppc -M g3beige" KARGS="console=ttyS0" VMLINUX=vmlinux + KCONF=ALTIVEC,PPC_PMAC,PPC_OF_BOOT_TRAMPOLINE,IDE,IDE_GD,IDE_GD_ATA,BLK_DEV_IDE_PMAC,BLK_DEV_IDE_PMAC_ATA100FIRST,MACINTOSH_DRIVERS,ADB,ADB_CUDA,NET_VENDOR_NATSEMI,NET_VENDOR_8390,NE2K_PCI,SERIO,SERIAL_PMACZILOG,SERIAL_PMACZILOG_TTYS,SERIAL_PMACZILOG_CONSOLE,BOOTX_TEXT + elif [ "$TARGET" == powerpc64le ]; then + KARCH=powerpc QEMU="ppc64 -M pseries -vga none" KARGS="console=/dev/hvc0" + VMLINUX=vmlinux + KCONF=PPC64,PPC_PSERIES,CPU_LITTLE_ENDIAN,PPC_OF_BOOT_TRAMPOLINE,BLK_DEV_SD,SCSI_LOWLEVEL,SCSI_IBMVSCSI,ATA,NET_VENDOR_IBM,IBMVETH,HVC_CONSOLE,PPC_TRANSACTIONAL_MEM,PPC_DISABLE_WERROR,SECTION_MISMATCH_WARN_ONLY + elif [ "$TARGET" = s390x ] ; then + QEMU="s390x" KARCH=s390 VMLINUX=arch/s390/boot/bzImage + KCONF=MARCH_Z900,PACK_STACK,NET_CORE,VIRTIO_NET,VIRTIO_BLK,SCLP_TTY,SCLP_CONSOLE,SCLP_VT220_TTY,SCLP_VT220_CONSOLE,S390_GUEST + elif [ "$TARGET" == sh4 ] ; then + QEMU="sh4 -M r2d -serial null -serial mon:stdio" KARCH=sh + KARGS="console=ttySC1 noiotrap" VMLINUX=arch/sh/boot/zImage + KERNEL_CONFIG="CONFIG_MEMORY_START=0x0c000000" + KCONF=CPU_SUBTYPE_SH7751R,MMU,VSYSCALL,SH_FPU,SH_RTS7751R2D,RTS7751R2D_PLUS,SERIAL_SH_SCI,SERIAL_SH_SCI_CONSOLE,PCI,NET_VENDOR_REALTEK,8139CP,PCI,BLK_DEV_SD,ATA,ATA_SFF,ATA_BMDMA,PATA_PLATFORM,BINFMT_ELF_FDPIC,BINFMT_FLAT #CONFIG_SPI=y #CONFIG_SPI_SH_SCI=y #CONFIG_MFD_SM501=y - #CONFIG_RTC_CLASS=y #CONFIG_RTC_DRV_R9701=y #CONFIG_RTC_DRV_SH=y #CONFIG_RTC_HCTOSYS=y -" -else - echo "Unknown \$TARGET" - exit 1 -fi - -# Write the miniconfig file -{ - echo "# make ARCH=$KARCH allnoconfig KCONFIG_ALLCONFIG=$TARGET.miniconf" - echo "# make ARCH=$KARCH -j \$(nproc)" - echo "# boot $VMLINUX" - echo - echo "$KERNEL_CONFIG" - - # Generic options for all targets - - echo " -# CONFIG_EMBEDDED is not set -CONFIG_EARLY_PRINTK=y -CONFIG_BINFMT_ELF=y -CONFIG_BINFMT_SCRIPT=y -CONFIG_NO_HZ=y -CONFIG_HIGH_RES_TIMERS=y - -CONFIG_BLK_DEV=y -CONFIG_BLK_DEV_INITRD=y -CONFIG_RD_GZIP=y - -CONFIG_BLK_DEV_LOOP=y -CONFIG_EXT4_FS=y -CONFIG_EXT4_USE_FOR_EXT2=y -CONFIG_VFAT_FS=y -CONFIG_FAT_DEFAULT_UTF8=y -CONFIG_MISC_FILESYSTEMS=y -CONFIG_SQUASHFS=y -CONFIG_SQUASHFS_XATTR=y -CONFIG_SQUASHFS_ZLIB=y -CONFIG_DEVTMPFS=y -CONFIG_DEVTMPFS_MOUNT=y -CONFIG_TMPFS=y -CONFIG_TMPFS_POSIX_ACL=y - -CONFIG_NET=y -CONFIG_PACKET=y -CONFIG_UNIX=y -CONFIG_INET=y -CONFIG_IPV6=y -CONFIG_NETDEVICES=y -#CONFIG_NET_CORE=y -#CONFIG_NETCONSOLE=y -CONFIG_ETHERNET=y -" -} > "$OUTPUT/miniconfig-$TARGET" - -# Write the qemu launch script -echo "$QEMU -nographic -no-reboot -m 256" \ - "-append \"panic=1 HOST=$TARGET $KARGS\"" \ - "-kernel $(basename "$VMLINUX") -initrd ${CROSS_BASE}root.cpio.gz" \ - ${DTB:+-dtb "$(basename "$DTB")"} '"$@"' \ - > "$OUTPUT/qemu-$TARGET.sh" && -chmod +x "$OUTPUT/qemu-$TARGET.sh" && - -echo "Build linux for $KARCH" - -# Snapshot Linux source dir and clean it -cp -sfR "$LINUX" "$MYBUILD/linux" && pushd "$MYBUILD/linux" > /dev/null || - exit 1 + else + echo "Unknown \$TARGET" + exit 1 + fi -# Build kernel -make distclean && -make ARCH=$KARCH allnoconfig KCONFIG_ALLCONFIG="$OUTPUT/miniconfig-$TARGET" && -make ARCH=$KARCH CROSS_COMPILE="$CROSS_COMPILE" -j $(nproc) || exit 1 + # Write the qemu launch script + echo "qemu-system-$QEMU" '"$@"' -nographic -no-reboot -m 256 \ + "-kernel $(basename "$VMLINUX") -initrd ${CROSS_BASE}root.cpio.gz" \ + "-append \"panic=1 HOST=$TARGET $KARGS \$KARGS\"" \ + ${DTB:+-dtb "$(basename "$DTB")"} > "$OUTPUT/qemu-$TARGET.sh" && + chmod +x "$OUTPUT/qemu-$TARGET.sh" && + + echo "Build linux for $KARCH" + cp -sfR "$LINUX" "$MYBUILD/linux" && pushd "$MYBUILD/linux" || exit 1 + make distclean && + write_miniconfig > "$OUTPUT/miniconfig-$TARGET" && + make ARCH=$KARCH allnoconfig KCONFIG_ALLCONFIG="$OUTPUT/miniconfig-$TARGET" && + make ARCH=$KARCH CROSS_COMPILE="$CROSS_COMPILE" -j $(nproc) || exit 1 + + # If we have a device tree binary, save it for QEMU. + if [ ! -z "$DTB" ]; then + cp "$DTB" "$OUTPUT/$(basename "$DTB")" || exit 1 + fi -# If we have a device tree binary, save it for QEMU. -if [ ! -z "$DTB" ] -then - cp "$DTB" "$OUTPUT/$(basename "$DTB")" || exit 1 + cp "$VMLINUX" "$OUTPUT/$(basename "$VMLINUX")" && cd .. && rm -rf linux && + popd || exit 1 fi -cp "$VMLINUX" "$OUTPUT/$(basename "$VMLINUX")" && cd .. && rm -rf linux && - popd || exit 1 rmdir "$MYBUILD" "$BUILD" 2>/dev/null # package root filesystem for initramfs. |