[Android] lozohcum:
it seems I've succesfulyy compiled kernel and modules from official sony source:

CC net/key/af_key.o
LD net/key/built-in.o
CC net/netfilter/core.o
CC net/netfilter/nf_log.o
CC net/netfilter/nf_queue.o
CC net/netfilter/nf_sockopt.o
CC net/netfilter/nf_conntrack_core.o
CC net/netfilter/nf_conntrack_standalone.o
CC net/netfilter/nf_conntrack_expect.o
CC net/netfilter/nf_conntrack_helper.o
CC net/netfilter/nf_conntrack_proto.o
CC net/netfilter/nf_conntrack_l3proto_generic.o
CC net/netfilter/nf_conntrack_proto_generic.o
CC net/netfilter/nf_conntrack_proto_tcp.o
CC net/netfilter/nf_conntrack_proto_udp.o
CC net/netfilter/nf_conntrack_extend.o
CC net/netfilter/nf_conntrack_acct.o
CC net/netfilter/nf_conntrack_ecache.o
CC net/netfilter/nf_conntrack_h323_main.o
CC net/netfilter/nf_conntrack_h323_asn1.o
LD net/netfilter/netfilter.o
CC net/netfilter/nfnetlink.o
CC net/netfilter/nfnetlink_queue.o
CC net/netfilter/nfnetlink_log.o
LD net/netfilter/nf_conntrack.o
CC net/netfilter/nf_conntrack_proto_dccp.o
CC net/netfilter/nf_conntrack_proto_gre.o
CC net/netfilter/nf_conntrack_proto_sctp.o
CC net/netfilter/nf_conntrack_proto_udplite.o
CC net/netfilter/nf_conntrack_netlink.o
CC net/netfilter/nf_conntrack_amanda.o
CC net/netfilter/nf_conntrack_ftp.o
LD net/netfilter/nf_conntrack_h323.o
CC net/netfilter/nf_conntrack_irc.o
CC net/netfilter/nf_conntrack_broadcast.o
CC net/netfilter/nf_conntrack_netbios_ns.o
CC net/netfilter/nf_conntrack_pptp.o
CC net/netfilter/nf_conntrack_sane.o
CC net/netfilter/nf_conntrack_sip.o
CC net/netfilter/nf_conntrack_tftp.o
CC net/netfilter/nf_tproxy_core.o
CC net/netfilter/x_tables.o
CC net/netfilter/xt_tcpudp.o
CC net/netfilter/xt_mark.o
CC net/netfilter/xt_connmark.o
CC net/netfilter/xt_CLASSIFY.o
CC net/netfilter/xt_LOG.o
CC net/netfilter/xt_NFQUEUE.o
CC net/netfilter/xt_comment.o
CC net/netfilter/xt_connlimit.o
CC net/netfilter/xt_conntrack.o
CC net/netfilter/xt_ecn.o
CC net/netfilter/xt_hashlimit.o
CC net/netfilter/xt_helper.o
CC net/netfilter/xt_hl.o
CC net/netfilter/xt_iprange.o
CC net/netfilter/xt_length.o
CC net/netfilter/xt_limit.o
CC net/netfilter/xt_mac.o
CC net/netfilter/xt_pkttype.o
CC net/netfilter/xt_policy.o
CC net/netfilter/xt_qtaguid_print.o
CC net/netfilter/xt_qtaguid.o
CC net/netfilter/xt_quota.o
CC net/netfilter/xt_quota2.o
CC net/netfilter/xt_socket.o
CC net/netfilter/xt_state.o
CC net/netfilter/xt_statistic.o
CC net/netfilter/xt_string.o
CC net/netfilter/xt_time.o
CC net/netfilter/xt_u32.o
LD net/netfilter/built-in.o
CC net/netlink/af_netlink.o
CC net/netlink/genetlink.o
LD net/netlink/built-in.o
CC net/packet/af_packet.o
LD net/packet/built-in.o
CC net/rfkill/core.o
LD net/rfkill/rfkill.o
LD net/rfkill/built-in.o
CC net/sched/sch_generic.o
CC net/sched/sch_mq.o
LD net/sched/built-in.o
CC net/unix/af_unix.o
CC net/unix/garbage.o
CC net/unix/sysctl_net_unix.o
LD net/unix/unix.o
LD net/unix/built-in.o
CC net/wireless/core.o
CC net/wireless/sysfs.o
CC net/wireless/radiotap.o
CC net/wireless/util.o
CC net/wireless/reg.o
CC net/wireless/scan.o
CC net/wireless/nl80211.o
CC net/wireless/mlme.o
CC net/wireless/ibss.o
CC net/wireless/sme.o
CC net/wireless/chan.o
CC net/wireless/ethtool.o
CC net/wireless/mesh.o
LD net/wireless/cfg80211.o
CC net/wireless/wext-core.o
CC net/wireless/wext-proc.o
CC net/wireless/wext-spy.o
CC net/wireless/wext-priv.o
LD net/wireless/built-in.o
CC net/xfrm/xfrm_policy.o
CC net/xfrm/xfrm_state.o
CC net/xfrm/xfrm_hash.o
CC net/xfrm/xfrm_input.o
CC net/xfrm/xfrm_output.o
CC net/xfrm/xfrm_algo.o
CC net/xfrm/xfrm_sysctl.o
CC net/xfrm/xfrm_replay.o
CC net/xfrm/xfrm_user.o
CC net/xfrm/xfrm_ipcomp.o
LD net/xfrm/built-in.o
CC net/sysctl_net.o
CC net/activity_stats.o
LD net/built-in.o
LD arch/arm/lib/built-in.o
AS arch/arm/lib/ashldi3.o
AS arch/arm/lib/ashrdi3.o
AS arch/arm/lib/backtrace.o
AS arch/arm/lib/call_with_stack.o
AS arch/arm/lib/changebit.o
AS arch/arm/lib/clear_user.o
AS arch/arm/lib/clearbit.o
AS arch/arm/lib/copy_from_user.o
AS arch/arm/lib/copy_page.o
AS arch/arm/lib/copy_to_user.o
AS arch/arm/lib/csumipv6.o
AS arch/arm/lib/csumpartial.o
AS arch/arm/lib/csumpartialcopy.o
AS arch/arm/lib/csumpartialcopyuser.o
CC arch/arm/lib/delay.o
AS arch/arm/lib/div64.o
AS arch/arm/lib/findbit.o
AS arch/arm/lib/getuser.o
AS arch/arm/lib/io-readsb.o
AS arch/arm/lib/io-readsl.o
AS arch/arm/lib/io-readsw-armv4.o
AS arch/arm/lib/io-writesb.o
AS arch/arm/lib/io-writesl.o
AS arch/arm/lib/io-writesw-armv4.o
AS arch/arm/lib/lib1funcs.o
AS arch/arm/lib/lshrdi3.o
AS arch/arm/lib/memchr.o
AS arch/arm/lib/memcpy.o
AS arch/arm/lib/memmove.o
AS arch/arm/lib/memset.o
AS arch/arm/lib/memzero.o
AS arch/arm/lib/muldi3.o
AS arch/arm/lib/putuser.o
AS arch/arm/lib/setbit.o
AS arch/arm/lib/strchr.o
AS arch/arm/lib/strncpy_from_user.o
AS arch/arm/lib/strnlen_user.o
AS arch/arm/lib/strrchr.o
AS arch/arm/lib/testchangebit.o
AS arch/arm/lib/testclearbit.o
AS arch/arm/lib/testsetbit.o
AS arch/arm/lib/ucmpdi2.o
AR arch/arm/lib/lib.a
CC lib/bcd.o
CC lib/div64.o
CC lib/sort.o
CC lib/parser.o
CC lib/halfmd4.o
CC lib/debug_locks.o
CC lib/random32.o
CC lib/bust_spinlocks.o
CC lib/hexdump.o
CC lib/kasprintf.o
CC lib/bitmap.o
CC lib/scatterlist.o
CC lib/string_helpers.o
CC lib/gcd.o
CC lib/lcm.o
CC lib/list_sort.o
CC lib/uuid.o
CC lib/flex_array.o
CC lib/bsearch.o
CC lib/find_last_bit.o
CC lib/find_next_bit.o
CC lib/llist.o
CC lib/kstrtox.o
CC lib/pci_iomap.o
CC lib/iomap_copy.o
CC lib/devres.o
CC lib/spinlock_debug.o
CC lib/hweight.o
CC lib/smp_processor_id.o
CC lib/list_debug.o
CC lib/bitrev.o
CC lib/crc-ccitt.o
CC lib/crc16.o
HOSTCC lib/gen_crc32table
GEN lib/crc32table.h
CC lib/crc32.o
CC lib/libcrc32c.o
CC lib/genalloc.o
CC lib/lzo/lzo1x_compress.o
CC lib/lzo/lzo1x_decompress.o
LD lib/lzo/lzo_compress.o
LD lib/lzo/lzo_decompress.o
LD lib/lzo/built-in.o
CC lib/reed_solomon/reed_solomon.o
LD lib/reed_solomon/built-in.o
CC lib/zlib_deflate/deflate.o
CC lib/zlib_deflate/deftree.o
CC lib/zlib_deflate/deflate_syms.o
LD lib/zlib_deflate/zlib_deflate.o
LD lib/zlib_deflate/built-in.o
CC lib/zlib_inflate/inffast.o
CC lib/zlib_inflate/inflate.o
CC lib/zlib_inflate/infutil.o
CC lib/zlib_inflate/inftrees.o
CC lib/zlib_inflate/inflate_syms.o
LD lib/zlib_inflate/zlib_inflate.o
LD lib/zlib_inflate/built-in.o
CC lib/textsearch.o
CC lib/ts_kmp.o
CC lib/ts_bm.o
CC lib/ts_fsm.o
CC lib/dynamic_debug.o
CC lib/nlattr.o
CC lib/dynamic_queue_limits.o
LD lib/built-in.o
CC lib/argv_split.o
CC lib/bug.o
CC lib/cmdline.o
CC lib/ctype.o
CC lib/dec_and_lock.o
CC lib/decompress.o
CC lib/decompress_inflate.o
CC lib/dump_stack.o
CC lib/extable.o
CC lib/idr.o
CC lib/int_sqrt.o
CC lib/ioremap.o
CC lib/irq_regs.o
CC lib/is_single_threaded.o
CC lib/klist.o
CC lib/kobject.o
CC lib/kobject_uevent.o
CC lib/md5.o
CC lib/memory_alloc.o
CC lib/plist.o
CC lib/prio_heap.o
CC lib/prio_tree.o
CC lib/proportions.o
CC lib/radix-tree.o
CC lib/ratelimit.o
CC lib/rbtree.o
CC lib/reciprocal_div.o
CC lib/rwsem-spinlock.o
CC lib/sha1.o
CC lib/show_mem.o
CC lib/string.o
CC lib/timerqueue.o
CC lib/vsprintf.o
AR lib/lib.a
LD vmlinux.o
MODPOST vmlinux.o
GEN .version
CHK include/generated/compile.h
UPD include/generated/compile.h
CC init/version.o
LD init/built-in.o
LD .tmp_vmlinux1
KSYM .tmp_kallsyms1.S
AS .tmp_kallsyms1.o
LD .tmp_vmlinux2
KSYM .tmp_kallsyms2.S
AS .tmp_kallsyms2.o
LD vmlinux
SYSMAP System.map
SYSMAP .tmp_System.map
OBJCOPY arch/arm/boot/Image
Kernel: arch/arm/boot/Image is ready
AS arch/arm/boot/compressed/head.o
GZIP arch/arm/boot/compressed/piggy.gzip
AS arch/arm/boot/compressed/piggy.gzip.o
CC arch/arm/boot/compressed/misc.o
CC arch/arm/boot/compressed/decompress.o
CC arch/arm/boot/compressed/string.o
SHIPPED arch/arm/boot/compressed/lib1funcs.S
AS arch/arm/boot/compressed/lib1funcs.o
SHIPPED arch/arm/boot/compressed/ashldi3.S
AS arch/arm/boot/compressed/ashldi3.o
LD arch/arm/boot/compressed/vmlinux
OBJCOPY arch/arm/boot/zImage
Kernel: arch/arm/boot/zImage is ready
Building modules, stage 2.
MODPOST 10 modules
CC arch/arm/mach-msm/dal_remotetest.mod.o
LD [M] arch/arm/mach-msm/dal_remotetest.ko
CC block/test-iosched.mod.o
LD [M] block/test-iosched.ko
CC crypto/ansi_cprng.mod.o
LD [M] crypto/ansi_cprng.ko
CC drivers/input/evbug.mod.o
LD [M] drivers/input/evbug.ko
CC drivers/media/video/gspca/gspca_main.mod.o
LD [M] drivers/media/video/gspca/gspca_main.ko
CC drivers/mmc/card/mmc_block_test.mod.o
LD [M] drivers/mmc/card/mmc_block_test.ko
CC drivers/mmc/card/mmc_test.mod.o
LD [M] drivers/mmc/card/mmc_test.ko
CC drivers/net/wireless/libra/librasdioif.mod.o
LD [M] drivers/net/wireless/libra/librasdioif.ko
CC drivers/scsi/scsi_wait_scan.mod.o
LD [M] drivers/scsi/scsi_wait_scan.ko
CC drivers/video/backlight/lcd.mod.o
LD [M] drivers/video/backlight/lcd.ko
lozohcum@lozohcum:~/android/kernel$ make modules
include/config/auto.conf: line 594: KERNEL_LOCAL_VERSION: nie znaleziono polecenia
CHK include/linux/version.h
CHK include/generated/utsrelease.h
make[1]: `include/generated/mach-types.h' jest aktualne.
CALL scripts/checksyscalls.sh
grep: scripts/../arch/x86/syscalls/syscall_32.tbl: Nie ma takiego pliku ani katalogu
Building modules, stage 2.
MODPOST 10 modules
lozohcum@lozohcum:~/android/kernel$

So, what now?

How to create a boot.img file?

Where are all compiled files?

arch/arm/boot/zImage is not a img file I can flash to my Xperia J