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-rwxr-xr-xscripts/mkroot.sh501
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.