android/android_kernel_xiaomi_sm8450
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7 Commits

Author SHA1 Message Date
Elliot Berman
e41d160482 ANDROID: build.config: Add vmlinux.symvers and modules.builtin to DIST_DIR 
Copy vmlinux.symvers and modules.builtin to the DIST_DIR for mixed tree
builds. These files are used by the device kernel to modpost against the
GKI kernel.

These 3 new files add ~300 KB to the DIST_DIR

Bug: 178469391
Change-Id: Ic21a524aac05eafe18925982e860b0be9e6d8728
Signed-off-by: Elliot Berman <eberman@codeaurora.org>
Signed-off-by: Giuliano Procida <gprocida@google.com>
 2021-04-15 10:24:17 +01:00
Alistair Delva
db72439b64 ANDROID: x86: Add objtool to MAKE_GOALS 
Prepare to enable LTO, which requires options that depends on objtool.

Bug: 175705438
Signed-off-by: Alistair Delva <adelva@google.com>
Change-Id: I830614180286b3e2222a5a445fb4db82658f6670
 2021-01-28 22:19:23 +00:00
Nick Desaulniers
7e4da32f44 ANDROID: enable LLVM_IAS=1 for clang's integrated assembler for x86_64 
Step 8 of:
https://android.googlesource.com/platform/prebuilts/clang/host/linux-x86/+/master/BINUTILS_KERNEL_DEPRECATION.md

Bug: 141693040
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Change-Id: I9d1621f6484c0402a7518ffb12a3f8f3815f43a9
 2020-11-13 11:49:39 -08:00
Nick Desaulniers
2c71673913 Revert "ANDROID: Kbuild, LLVMLinux: allow overriding clang target triple" 
This reverts commit e145f7b103.

AOSP's distribution of GNU binutils always had a curious target triple
prefix on the binaries.  Now that GNU binutils is deprecated for Android
Common Kernels, we can now remove this out of tree workaround. Now
building Android kernels with LLVM matches upstream (see
Documentation/kbuild/llvm.rst).

Bug: 118439987
Bug: 120440614
Bug: 141693040
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Change-Id: Iecaa3264a440f795f2f3a44bdf74fe28ad4ed1cc
 2020-11-10 10:53:26 -08:00
Nick Desaulniers
0482d56a8f ANDROID: move builds to use gas prebuilts 
Completes stage 5 of:
https://android.googlesource.com/platform/prebuilts/clang/host/linux-x86/+/master/BINUTILS_KERNEL_DEPRECATION.md

Bug: 141693040
Test: remove host binutils (easy for cross compiling, hard for host
tools), rebuild multiple configs including cuttlefish configs which rely
on these.
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Change-Id: Ia88f4f6572049c0173742aee95df824c0f31c050
 2020-09-30 20:08:29 +00:00
Alistair Delva
b194c75018 ANDROID: Specify MAKE_GOALS and optimize targets 
The default goals for an ARCH=arm64 kernel will build all of the dtb
files available in the tree, and hard-codes the generation of a
gzip-compressed Image artifact. For GKI, we want to support various
compression methods (gz, lz4 and uncompressed) and this can be handled
outside of kbuild where compressor flags can be tuned. Also, GKI does
not need to build any dtb files because it is board-neutral, and in most
cases the dtbs will come from downstream kernels, not ACK.

On arm and aarch64, this suppresses the generation of the useless gzip
compressed Image artifact, and dtbs on the gki configs, which do not make
sense. The x86 defaults were already optimal but make them match
aarch64. On db845c, this builds only the needed dtb file and a compressed
artifact for backwards compatibility.

Bug: 152546767
Change-Id: If90ea331fc7564358b77a777fb367d7d2f95e6a6
Signed-off-by: Alistair Delva <adelva@google.com>
 2020-03-27 01:55:37 +00:00
Matthias Maennich
6e792fdbdf ANDROID: refactor build.config files to remove duplication 
The build.config.* files largely contain duplicate information by their
nature. Reorganize them reduce duplication and to allow adding new
configurations without copying the definitions again.

Bug: 140224784
Change-Id: I6a3810a125b0ed48591690ca33bb5c02be58218a
Signed-off-by: Matthias Maennich <maennich@google.com>
 2019-08-30 14:55:29 +01:00