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Drop references to external library search directory and compiler libgcc
from the link command. Use KBUILD_LDFLAGS in the link command.
Signed-off-by: Max Filippov <[email protected]>
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Move the definition of CONFIG_CPU_*_ENDIAN to Kconfig, the best place
for CONFIG options.
I slightly simplified the test code. You can use the -P option to suppress
linemarker generation. The grep command is unneeded.
$ echo __XTENSA_EB__ | xtensa-linux-gcc -E -
# 1 "<stdin>"
# 1 "<built-in>"
# 1 "<command-line>"
# 1 "<stdin>"
1
$ echo __XTENSA_EB__ | xtensa-linux-gcc -E -P -
1
Signed-off-by: Masahiro Yamada <[email protected]>
Message-Id: <[email protected]>
Signed-off-by: Max Filippov <[email protected]>
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Xtensa always rebuilds the following even if nothing in the source code
has been changed. Passing V=2 shows the reason.
AS arch/xtensa/boot/boot-elf/bootstrap.o - due to bootstrap.o not in $(targets)
LDS arch/xtensa/boot/boot-elf/boot.lds - due to boot.lds not in $(targets)
They are built by if_changed(_dep). Add them to 'targets' so .*.cmd files
are included.
Signed-off-by: Masahiro Yamada <[email protected]>
Message-Id: <[email protected]>
Signed-off-by: Max Filippov <[email protected]>
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vmlinux.bin and vmlinux.bin.gz are always rebuilt in the kernel build
process. Add them to 'targets' and move them to the boot subdirectory
where their rules are. Update make rules that refer to them.
Reviewed-by: Masahiro Yamada <[email protected]>
Signed-off-by: Max Filippov <[email protected]>
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Currently xtensa uses 'zImage' as a synonym of 'all', but in fact xtensa
supports three targets: 'Image' (ELF image with reset vector), 'zImage'
(compressed redboot image) and 'uImage' (U-Boot image).
Provide separate 'Image', 'zImage' and 'uImage' make targets that only
build corresponding image type. Make 'all' build all images appropriate
for a platform.
Signed-off-by: Max Filippov <[email protected]>
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- remove duplicate rules for binary and packed image
- use predefined macros for ld/objcopy/gzip
- remove build-id section from bootable elf image
Signed-off-by: Max Filippov <[email protected]>
Signed-off-by: Chris Zankel <[email protected]>
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Make vmlinux.tmp and vmlinux.tmp.gz separate build targets, avoid
removing vmlinux.tmp during vmlinux.tmp.gz build.
Signed-off-by: Max Filippov <[email protected]>
Signed-off-by: Chris Zankel <[email protected]>
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When building with binutils-2.18, vmlinux includes .note.gnu.build-id
sections that need to be stripped out when building the binary image.
The old .xt.insn sections haven't been used for a long time, so don't
bother stripping them.
Signed-off-by: Bob Wilson <[email protected]>
Signed-off-by: Chris Zankel <[email protected]>
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The variable CFLAGS is a wellknown variable and the usage by
kbuild may result in unexpected behaviour.
On top of that several people over time has asked for a way to
pass in additional flags to gcc.
This patch replace use of CFLAGS with KBUILD_CFLAGS all over the
tree and enabling one to use:
make CFLAGS=...
to specify additional gcc commandline options.
One usecase is when trying to find gcc bugs but other
use cases has been requested too.
Patch was tested on following architectures:
alpha, arm, i386, x86_64, mips, sparc, sparc64, ia64, m68k
Test was simple to do a defconfig build, apply the patch and check
that nothing got rebuild.
Signed-off-by: Sam Ravnborg <[email protected]>
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Removed an unnecessary local copy of zlib (sorry for the add'l traffic).
Fixed 'O=' support (thanks to Jan Dittmer for pointing it out). Some minor
clean-ups in the make files.
Signed-off-by: Chris Zankel <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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The attached patches provides part 2 of an architecture implementation for the
Tensilica Xtensa CPU series.
Signed-off-by: Chris Zankel <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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