Uboot 2016.05 compiling Uboot.bin and SPL

1: $ (srctree)/makefile the all target in Makefile compiles the corresponding file. Let's take a look at this. All target all: $ (all-y)

# always append-so-arch config.mk ' can add custom ones
All-y + = U-boot.srec u-boot.bin system.map u-boot.cfg Binary_size_check

all-$ (CONFIG_SPL) + = Spl/u-boot-spl.bin

Spl/u-boot-spl.bin:spl/u-boot-spl
@:
Spl/u-boot-spl:tools Prepare
$ (Q) $ (make) Obj=spl-f $ (srctree)/SCRIPTS/MAKEFILE.SPL all
2:s Cripts/makefile.spl,drivers/makefile 3: Compile process: Build U-boot on the/ti-sdk-am57xx-evm-03.00.00.04/scripts/. /source/u-boot-2016.05 chk include/config/uboot.release chk include/generated/timestamp_autogenerated.h
HOSTCC SCRIPTS/BASIC/FIXDEP
UPD include/generated/timestamp_autogenerated.h
CFG u-boot.cfg
CHK include/generated/version_autogenerated.h
...
HOSTCC TOOLS/AISIMAGE.O
HOSTCC TOOLS/ATMELIMAGE.O
HOSTCC TOOLS/DUMPIMAGE.O
HOSTCC TOOLS/MKIMAGE.O
HOSTCC Tools/proftool ...
Hostld Tools/dumpimage
Hostld Tools/mkimage
LD ARCH/ARM/CPU/BUILT-IN.O
CC BOARD/TI/COMMON/BOARD_DETECT.O
CC BOARD/TI/GF33/BOARD.O
...
CC LIB/PANIC.O
CC LIB/STRTO.O
LD LIB/BUILT-IN.O
CC EXAMPLES/STANDALONE/STUBS.O
LD EXAMPLES/STANDALONE/LIBSTUBS.O
LD Examples/standalone/hello_world
Objcopy Examples/standalone/hello_world.srec
Objcopy Examples/standalone/hello_world.bin
LD U-boot
Objcopy U-boot-nodtb.bin
Objcopy U-boot.srec
DTC ARCH/ARM/DTS/AM57XX-BEAGLE-X15.DTB
DTC ARCH/ARM/DTS/AM572X-IDK.DTB
SYM U-boot.sym
DTC ARCH/ARM/DTS/AM571X-IDK.DTB
SHIPPED DTS/DT.DTB
COPY U-BOOT.DTB
Mkimage u-boot-dtb.img
Mkimage u-boot.img
CAT U-boot-dtb.bin
COPY U-boot.bin
LD SPL/ARCH/ARM/CPU/BUILT-IN.O
CC SPL/BOARD/TI/GF33/BOARD.O
...
CC SPL/ARCH/ARM/CPU/ARMV7/OMAP5/FDT.O
CC SPL/ARCH/ARM/CPU/ARMV7/OMAP5/DRA7XX_IODELAY.O
LD SPL/ARCH/ARM/CPU/ARMV7/OMAP5/BUILT-IN.O
LD SPL/ARCH/ARM/CPU/ARMV7/BUILT-IN.O
LD SPL/FS/FAT/BUILT-IN.O
LD SPL/FS/BUILT-IN.O
LD SPL/LIB/BUILT-IN.O
LD SPL/U-BOOT-SPL
Objcopy Spl/u-boot-spl-nodtb.bin
COPY Spl/u-boot-spl.bin
Mkimage MLO Build u-boot and drivers done