[PATCH 8/9] Linux loader: add files for building m68k kernel and root fs

[Eero Tamminen <oak@xxxxxxxxxxxxxx>]

---
 tools/linux/init.sh            |  14 ++
 tools/linux/kernel.config      | 356 +++++++++++++++++++++++++++++++++++++++++
 tools/linux/symlink-busybox.sh |  33 ++++
 3 files changed, 403 insertions(+)
 create mode 100755 tools/linux/init.sh
 create mode 100644 tools/linux/kernel.config
 create mode 100755 tools/linux/symlink-busybox.sh

diff --git a/tools/linux/init.sh b/tools/linux/init.sh
new file mode 100755
index 00000000..3f91d7a1
--- /dev/null
+++ b/tools/linux/init.sh
@@ -0,0 +1,14 @@
+#!/bin/sh
+#
+# NOTE: this requires kernel to be configured with:
+#	CONFIG_DEVTMPFS_MOUNT=y
+# so that it will automount /dev after root fs is mounted.
+
+# mount special file systems
+mount -t proc proc /proc
+mount -t sysfs sysfs /sys
+mount -t tmpfs tmpfs /run
+mount -t devpts devpts /dev/pts
+
+# replace script with shell
+exec sh
diff --git a/tools/linux/kernel.config b/tools/linux/kernel.config
new file mode 100644
index 00000000..e67b80e4
--- /dev/null
+++ b/tools/linux/kernel.config
@@ -0,0 +1,356 @@
+CONFIG_CC_IS_GCC=y
+CONFIG_GCC_VERSION=60300
+CONFIG_CLANG_VERSION=0
+CONFIG_CC_HAS_ASM_GOTO=y
+CONFIG_IRQ_WORK=y
+CONFIG_BROKEN_ON_SMP=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
+CONFIG_LOCALVERSION="hatari"
+CONFIG_LOCALVERSION_AUTO=y
+CONFIG_BUILD_SALT=""
+CONFIG_DEFAULT_HOSTNAME="atari"
+CONFIG_SYSVIPC=y
+CONFIG_SYSVIPC_SYSCTL=y
+CONFIG_POSIX_MQUEUE=y
+CONFIG_POSIX_MQUEUE_SYSCTL=y
+CONFIG_CROSS_MEMORY_ATTACH=y
+CONFIG_GENERIC_IRQ_SHOW=y
+CONFIG_ARCH_USES_GETTIMEOFFSET=y
+CONFIG_PREEMPT_NONE=y
+CONFIG_TICK_CPU_ACCOUNTING=y
+CONFIG_TINY_RCU=y
+CONFIG_SRCU=y
+CONFIG_TINY_SRCU=y
+CONFIG_LOG_BUF_SHIFT=14
+CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=12
+CONFIG_BLK_DEV_INITRD=y
+CONFIG_INITRAMFS_SOURCE=""
+CONFIG_RD_GZIP=y
+CONFIG_RD_LZO=y
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
+CONFIG_SYSCTL=y
+CONFIG_ANON_INODES=y
+CONFIG_HAVE_UID16=y
+CONFIG_BPF=y
+CONFIG_EXPERT=y
+CONFIG_UID16=y
+CONFIG_MULTIUSER=y
+CONFIG_FHANDLE=y
+CONFIG_POSIX_TIMERS=y
+CONFIG_PRINTK=y
+CONFIG_BUG=y
+CONFIG_ELF_CORE=y
+CONFIG_BASE_FULL=y
+CONFIG_FUTEX=y
+CONFIG_FUTEX_PI=y
+CONFIG_HAVE_FUTEX_CMPXCHG=y
+CONFIG_EPOLL=y
+CONFIG_SIGNALFD=y
+CONFIG_TIMERFD=y
+CONFIG_EVENTFD=y
+CONFIG_SHMEM=y
+CONFIG_ADVISE_SYSCALLS=y
+CONFIG_MEMBARRIER=y
+CONFIG_KALLSYMS=y
+CONFIG_KALLSYMS_BASE_RELATIVE=y
+CONFIG_COMPAT_BRK=y
+CONFIG_SLUB=y
+CONFIG_M68K=y
+CONFIG_CPU_BIG_ENDIAN=y
+CONFIG_RWSEM_GENERIC_SPINLOCK=y
+CONFIG_GENERIC_HWEIGHT=y
+CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_TIME_LOW_RES=y
+CONFIG_NO_IOPORT_MAP=y
+CONFIG_ZONE_DMA=y
+CONFIG_HZ=100
+CONFIG_PGTABLE_LEVELS=3
+CONFIG_MMU=y
+CONFIG_MMU_MOTOROLA=y
+CONFIG_M68KCLASSIC=y
+CONFIG_M68030=y
+CONFIG_M68040=y
+CONFIG_M68KFPU_EMU=y
+CONFIG_ADVANCED=y
+CONFIG_ARCH_DISCONTIGMEM_ENABLE=y
+CONFIG_NODES_SHIFT=3
+CONFIG_CPU_HAS_ADDRESS_SPACES=y
+CONFIG_FPU=y
+CONFIG_ATARI=y
+CONFIG_PROC_HARDWARE=y
+CONFIG_NATFEAT=y
+CONFIG_NFCON=y
+CONFIG_ARCH_WANT_IPC_PARSE_VERSION=y
+CONFIG_CC_HAS_STACKPROTECTOR_NONE=y
+CONFIG_HAVE_MOD_ARCH_SPECIFIC=y
+CONFIG_MODULES_USE_ELF_RELA=y
+CONFIG_MODULES_USE_ELF_REL=y
+CONFIG_OLD_SIGSUSPEND3=y
+CONFIG_OLD_SIGACTION=y
+CONFIG_ARCH_NO_PREEMPT=y
+CONFIG_PLUGIN_HOSTCC=""
+CONFIG_RT_MUTEXES=y
+CONFIG_BASE_SMALL=0
+CONFIG_BLOCK=y
+CONFIG_BLK_SCSI_REQUEST=y
+CONFIG_BLK_DEV_BSG=y
+CONFIG_BLK_CMDLINE_PARSER=y
+CONFIG_BLK_WBT=y
+CONFIG_BLK_WBT_MQ=y
+CONFIG_PARTITION_ADVANCED=y
+CONFIG_ATARI_PARTITION=y
+CONFIG_MSDOS_PARTITION=y
+CONFIG_CMDLINE_PARTITION=y
+CONFIG_MQ_IOSCHED_DEADLINE=y
+CONFIG_INLINE_SPIN_UNLOCK_IRQ=y
+CONFIG_INLINE_READ_UNLOCK=y
+CONFIG_INLINE_READ_UNLOCK_IRQ=y
+CONFIG_INLINE_WRITE_UNLOCK=y
+CONFIG_INLINE_WRITE_UNLOCK_IRQ=y
+CONFIG_BINFMT_ELF=y
+CONFIG_ELFCORE=y
+CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS=y
+CONFIG_BINFMT_SCRIPT=y
+CONFIG_HAVE_AOUT=y
+CONFIG_BINFMT_MISC=y
+CONFIG_COREDUMP=y
+CONFIG_DISCONTIGMEM=y
+CONFIG_FLAT_NODE_MEM_MAP=y
+CONFIG_NEED_MULTIPLE_NODES=y
+CONFIG_ARCH_DISCARD_MEMBLOCK=y
+CONFIG_SPLIT_PTLOCK_CPUS=4
+CONFIG_COMPACTION=y
+CONFIG_MIGRATION=y
+CONFIG_BOUNCE=y
+CONFIG_VIRT_TO_BUS=y
+CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
+CONFIG_NEED_PER_CPU_KM=y
+CONFIG_NET=y
+CONFIG_PACKET=y
+CONFIG_UNIX=y
+CONFIG_INET=y
+CONFIG_TCP_CONG_CUBIC=y
+CONFIG_DEFAULT_TCP_CONG="cubic"
+CONFIG_HAVE_NET_DSA=y
+CONFIG_NETLINK_DIAG=y
+CONFIG_NET_RX_BUSY_POLL=y
+CONFIG_BQL=y
+CONFIG_MAY_USE_DEVLINK=y
+CONFIG_DEVTMPFS=y
+CONFIG_DEVTMPFS_MOUNT=y
+CONFIG_STANDALONE=y
+CONFIG_PREVENT_FIRMWARE_BUILD=y
+CONFIG_GENERIC_CPU_DEVICES=y
+CONFIG_PARPORT=y
+CONFIG_PARPORT_ATARI=y
+CONFIG_PARPORT_NOT_PC=y
+CONFIG_BLK_DEV=y
+CONFIG_ATARI_FLOPPY=y
+CONFIG_BLK_DEV_LOOP=y
+CONFIG_BLK_DEV_LOOP_MIN_COUNT=0
+CONFIG_BLK_DEV_RAM=y
+CONFIG_BLK_DEV_RAM_COUNT=1
+CONFIG_BLK_DEV_RAM_SIZE=4096
+CONFIG_DUMMY_IRQ=y
+CONFIG_HAVE_IDE=y
+CONFIG_IDE=y
+CONFIG_IDE_GD=y
+CONFIG_IDE_GD_ATA=y
+CONFIG_IDE_PROC_FS=y
+CONFIG_BLK_DEV_FALCON_IDE=y
+CONFIG_SCSI_MOD=y
+CONFIG_SCSI=y
+CONFIG_SCSI_DMA=y
+CONFIG_SCSI_PROC_FS=y
+CONFIG_BLK_DEV_SD=y
+CONFIG_SCSI_CONSTANTS=y
+CONFIG_SCSI_LOGGING=y
+CONFIG_SCSI_SCAN_ASYNC=y
+CONFIG_SCSI_SPI_ATTRS=y
+CONFIG_SCSI_LOWLEVEL=y
+CONFIG_ATARI_SCSI=y
+CONFIG_ATA=y
+CONFIG_ATA_VERBOSE_ERROR=y
+CONFIG_ATA_SFF=y
+CONFIG_PATA_FALCON=y
+CONFIG_NETDEVICES=y
+CONFIG_NET_CORE=y
+CONFIG_DUMMY=y
+CONFIG_PLIP=y
+CONFIG_PPP=y
+CONFIG_PPP_DEFLATE=y
+CONFIG_PPP_ASYNC=y
+CONFIG_SLHC=y
+CONFIG_INPUT=y
+CONFIG_INPUT_MOUSEDEV=y
+CONFIG_INPUT_MOUSEDEV_SCREEN_X=640
+CONFIG_INPUT_MOUSEDEV_SCREEN_Y=480
+CONFIG_INPUT_JOYDEV=y
+CONFIG_INPUT_EVDEV=y
+CONFIG_INPUT_KEYBOARD=y
+CONFIG_ATARI_KBD_CORE=y
+CONFIG_KEYBOARD_ATARI=y
+CONFIG_INPUT_MOUSE=y
+CONFIG_MOUSE_ATARI=y
+CONFIG_INPUT_MISC=y
+CONFIG_INPUT_M68K_BEEP=y
+CONFIG_TTY=y
+CONFIG_VT=y
+CONFIG_CONSOLE_TRANSLATIONS=y
+CONFIG_VT_CONSOLE=y
+CONFIG_HW_CONSOLE=y
+CONFIG_VT_HW_CONSOLE_BINDING=y
+CONFIG_UNIX98_PTYS=y
+CONFIG_LEGACY_PTYS=y
+CONFIG_LEGACY_PTY_COUNT=64
+CONFIG_DEVMEM=y
+CONFIG_SERIAL_DEV_BUS=y
+CONFIG_SERIAL_DEV_CTRL_TTYPORT=y
+CONFIG_PRINTER=y
+CONFIG_NVRAM=y
+CONFIG_WATCHDOG=y
+CONFIG_WATCHDOG_CORE=y
+CONFIG_WATCHDOG_HANDLE_BOOT_ENABLED=y
+CONFIG_SOFT_WATCHDOG=y
+CONFIG_SSB_POSSIBLE=y
+CONFIG_BCMA_POSSIBLE=y
+CONFIG_FB_CMDLINE=y
+CONFIG_FB_NOTIFY=y
+CONFIG_FB=y
+CONFIG_FB_CFB_FILLRECT=y
+CONFIG_FB_CFB_COPYAREA=y
+CONFIG_FB_CFB_IMAGEBLIT=y
+CONFIG_FB_ATARI=y
+CONFIG_FB_SIMPLE=y
+CONFIG_DUMMY_CONSOLE=y
+CONFIG_DUMMY_CONSOLE_COLUMNS=80
+CONFIG_DUMMY_CONSOLE_ROWS=25
+CONFIG_FRAMEBUFFER_CONSOLE=y
+CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY=y
+CONFIG_SOUND=y
+CONFIG_SOUND_OSS_CORE=y
+CONFIG_DMASOUND_ATARI=y
+CONFIG_DMASOUND=y
+CONFIG_USB_OHCI_LITTLE_ENDIAN=y
+CONFIG_RTC_LIB=y
+CONFIG_RTC_CLASS=y
+CONFIG_RTC_HCTOSYS=y
+CONFIG_RTC_HCTOSYS_DEVICE="rtc0"
+CONFIG_RTC_NVMEM=y
+CONFIG_RTC_INTF_SYSFS=y
+CONFIG_RTC_INTF_PROC=y
+CONFIG_RTC_INTF_DEV=y
+CONFIG_RTC_DRV_GENERIC=y
+CONFIG_ARM_GIC_MAX_NR=1
+CONFIG_NVMEM=y
+CONFIG_EXT2_FS=y
+CONFIG_FS_POSIX_ACL=y
+CONFIG_EXPORTFS=y
+CONFIG_FILE_LOCKING=y
+CONFIG_MANDATORY_FILE_LOCKING=y
+CONFIG_FSNOTIFY=y
+CONFIG_INOTIFY_USER=y
+CONFIG_FANOTIFY=y
+CONFIG_ISO9660_FS=y
+CONFIG_JOLIET=y
+CONFIG_FAT_FS=y
+CONFIG_MSDOS_FS=y
+CONFIG_VFAT_FS=y
+CONFIG_FAT_DEFAULT_CODEPAGE=437
+CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
+CONFIG_FAT_DEFAULT_UTF8=y
+CONFIG_PROC_FS=y
+CONFIG_PROC_SYSCTL=y
+CONFIG_PROC_CHILDREN=y
+CONFIG_KERNFS=y
+CONFIG_SYSFS=y
+CONFIG_TMPFS=y
+CONFIG_TMPFS_POSIX_ACL=y
+CONFIG_TMPFS_XATTR=y
+CONFIG_MEMFD_CREATE=y
+CONFIG_MISC_FILESYSTEMS=y
+CONFIG_SQUASHFS=y
+CONFIG_SQUASHFS_FILE_DIRECT=y
+CONFIG_SQUASHFS_DECOMP_SINGLE=y
+CONFIG_SQUASHFS_ZLIB=y
+CONFIG_SQUASHFS_LZO=y
+CONFIG_SQUASHFS_EMBEDDED=y
+CONFIG_SQUASHFS_FRAGMENT_CACHE_SIZE=1
+CONFIG_ROMFS_FS=y
+CONFIG_ROMFS_BACKED_BY_BLOCK=y
+CONFIG_ROMFS_ON_BLOCK=y
+CONFIG_NLS=y
+CONFIG_NLS_DEFAULT="iso8859-1"
+CONFIG_NLS_CODEPAGE_437=y
+CONFIG_NLS_CODEPAGE_850=y
+CONFIG_NLS_CODEPAGE_852=y
+CONFIG_NLS_CODEPAGE_865=y
+CONFIG_NLS_CODEPAGE_1250=y
+CONFIG_NLS_ASCII=y
+CONFIG_NLS_ISO8859_1=y
+CONFIG_NLS_ISO8859_2=y
+CONFIG_NLS_ISO8859_15=y
+CONFIG_NLS_UTF8=y
+CONFIG_HAVE_HARDENED_USERCOPY_ALLOCATOR=y
+CONFIG_DEFAULT_SECURITY_DAC=y
+CONFIG_DEFAULT_SECURITY=""
+CONFIG_CRYPTO=y
+CONFIG_CRYPTO_ALGAPI=y
+CONFIG_CRYPTO_ALGAPI2=y
+CONFIG_CRYPTO_AES=y
+CONFIG_BITREVERSE=y
+CONFIG_GENERIC_STRNCPY_FROM_USER=y
+CONFIG_GENERIC_STRNLEN_USER=y
+CONFIG_GENERIC_NET_UTILS=y
+CONFIG_GENERIC_PCI_IOMAP=y
+CONFIG_GENERIC_IOMAP=y
+CONFIG_CRC_CCITT=y
+CONFIG_CRC32=y
+CONFIG_CRC32_SLICEBY8=y
+CONFIG_ZLIB_INFLATE=y
+CONFIG_ZLIB_DEFLATE=y
+CONFIG_LZO_DECOMPRESS=y
+CONFIG_DECOMPRESS_GZIP=y
+CONFIG_DECOMPRESS_LZO=y
+CONFIG_HAS_IOMEM=y
+CONFIG_HAS_DMA=y
+CONFIG_ARCH_HAS_SYNC_DMA_FOR_DEVICE=y
+CONFIG_DQL=y
+CONFIG_GLOB=y
+CONFIG_NLATTR=y
+CONFIG_GENERIC_ATOMIC64=y
+CONFIG_FONT_SUPPORT=y
+CONFIG_FONT_8x8=y
+CONFIG_FONT_8x16=y
+CONFIG_SG_POOL=y
+CONFIG_SBITMAP=y
+CONFIG_CONSOLE_LOGLEVEL_DEFAULT=7
+CONFIG_CONSOLE_LOGLEVEL_QUIET=4
+CONFIG_MESSAGE_LOGLEVEL_DEFAULT=4
+CONFIG_FRAME_WARN=1024
+CONFIG_STRIP_ASM_SYMS=y
+CONFIG_SECTION_MISMATCH_WARN_ONLY=y
+CONFIG_FRAME_POINTER=y
+CONFIG_MAGIC_SYSRQ=y
+CONFIG_MAGIC_SYSRQ_DEFAULT_ENABLE=0xff
+CONFIG_MAGIC_SYSRQ_SERIAL=y
+CONFIG_DEBUG_KERNEL=y
+CONFIG_DEBUG_MEMORY_INIT=y
+CONFIG_CC_HAS_KASAN_GENERIC=y
+CONFIG_KASAN_STACK=1
+CONFIG_CC_HAS_SANCOV_TRACE_PC=y
+CONFIG_DEBUG_SHIRQ=y
+CONFIG_LOCKUP_DETECTOR=y
+CONFIG_SOFTLOCKUP_DETECTOR=y
+CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0
+CONFIG_DETECT_HUNG_TASK=y
+CONFIG_DEFAULT_HUNG_TASK_TIMEOUT=120
+CONFIG_BOOTPARAM_HUNG_TASK_PANIC_VALUE=0
+CONFIG_WQ_WATCHDOG=y
+CONFIG_PANIC_ON_OOPS_VALUE=0
+CONFIG_PANIC_TIMEOUT=0
+CONFIG_DEBUG_TIMEKEEPING=y
+CONFIG_HAVE_DEBUG_BUGVERBOSE=y
+CONFIG_DEBUG_BUGVERBOSE=y
+CONFIG_DEBUG_LIST=y
+CONFIG_BUG_ON_DATA_CORRUPTION=y
diff --git a/tools/linux/symlink-busybox.sh b/tools/linux/symlink-busybox.sh
new file mode 100755
index 00000000..e76b7129
--- /dev/null
+++ b/tools/linux/symlink-busybox.sh
@@ -0,0 +1,33 @@
+#!/bin/sh
+#
+# script to generate m68k busybox links based on host busybox,
+# on assumption that they both provide same tools (are from
+# same Debian version and built/configured identically)
+
+bb_host=/bin/busybox
+
+if [ \! -x $bb_host ]; then
+	echo "ERROR: host BusyBox '$bb_host' missing, do:"
+	echo "  sudo apt install busybox"
+	exit 1
+fi
+
+if [ \! -x bin/busybox ]; then
+	echo "ERROR: m68k BusyBox 'bin/busybox' missing!"
+	exit 1
+fi
+
+# tools included in Busybox
+tools=$($bb_host | tr ',' '\n' | awk '
+/functions:/ {
+	ok=1;
+	next;
+}
+{ if(ok) {
+	print $1;
+}}')
+
+# symlink them under bin/ directory in current dir
+for i in $tools; do
+	ln -sfv busybox bin/$i
+done
-- 
2.11.0


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