Run on ARM about mtproxy HOT 16 OPEN

A little patch (maybe it even works on MIPS, idk)
https://github.com/ICQFan4ever/MTProxyARMPatch

Compiled on ARMv7 successfully

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A little patch (maybe it even works on MIPS, idk)
https://github.com/ICQFan4ever/MTProxyARMPatch

Not working (any more?) on ARM:

`common/crc32c.c: In function ‘crc32c_partial_sse42_clmul’:
common/crc32c.c:406:14: warning: implicit declaration of function ‘__builtin_ia32_pclmulqdq128’ [-Wimplicit-function-declaration]
v2di F = __builtin_ia32_pclmulqdq128 (D, K, 0x00) ^ __builtin_ia32_pclmulqd

common/crc32c.c:406:14: error: incompatible types when initializing type ‘v2di {aka __vector(2) long long int}’ using type ‘int’
common/crc32c.c:471:14: error: incompatible types when initializing type ‘v2di {aka __vector(2) long long int}’ using type ‘int’
v2di F = __builtin_ia32_pclmulqdq128 (D, K, 0x00) ^ __builtin_ia32_pclmulqd`

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It's not compatible with arm at all -- there are some hacks and/or inline assembly

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Any plans on porting it?

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If you are going to port sourcecode for arm, please do not use arm-specific instructions as you would like to have crosscode for mips/mipscel too.
Plz...

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It seems that ARMv7 does not have CRC32x assembler directives (possible SSE4 extensions). I have tried to compile using following flags:

+CFLAGS = $(ARCH) -O3 -std=gnu11 -Wall -mtune=cortex-a9 -march=armv7-a -mfpu=vfp -mfloat-abi=softfp -fno-strict-aliasing -fno-strict-overflow -fwrapv -DAES=1 -DCOMMIT=\"${COMMIT}\" -D_GNU_SOURCE=1 -D_FILE_OFFSET_BITS=64

but without success:

/opt/tmp/ccB39ZkK.s:34: Error: selected processor does not support `crc32b (r3),r2' in ARM mode
/opt/tmp/ccB39ZkK.s:52: Error: bad instruction `crc32l (ip),r2'
/opt/tmp/ccB39ZkK.s:73: Error: selected processor does not support `crc32b (r3),r0' in ARM mode
/opt/tmp/ccB39ZkK.s:83: Error: selected processor does not support `crc32b (r2),r0' in ARM mode
/opt/tmp/ccB39ZkK.s:93: Error: selected processor does not support `crc32b (r3),r0' in ARM mode
make: *** [Makefile:89: objs/common/crc32c.o] Error 1

So, the only way is to implement them (CRC32 instuctions) on C by modification of crc32c.c.

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@ICQFan4ever thank you! Just checked - and it works on my Raspberry Pi 3+

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A little patch (maybe it even works on MIPS, idk)
https://github.com/ICQFan4ever/MTProxyARMPatch

Compiled on ARMv7 successfully

Thank you! Compiled successfully on

lscpu
Architecture: armv7l
Byte Order: Little Endian
Model name: ARMv7 Processor rev 2 (v7l)

./mtproto-proxy --help
[25630][2019-02-20 17:38:47.421699 local] Invoking engine mtproxy-0.01 compiled at Feb 20 2019 17:34:49 by gcc 5.4.0 20160609 32-bit after commit 2c94211
usage: ./mtproto-proxy [-v] [-6] [-p] [-H{,}] [-M] [-u] [-b] [-c] [-l] [-W]
mtproxy-0.01 compiled at Feb 20 2019 17:34:49 by gcc 5.4.0 20160609 32-bit after commit 2c94211

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Almost a year has passed. : ((

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A little patch (maybe it even works on MIPS, idk)
https://github.com/ICQFan4ever/MTProxyARMPatch

Compiled on ARMv7 successfully

Thank you! It compiles successfully on my Raspberry pi 4b :D

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A little patch (maybe it even works on MIPS, idk)
https://github.com/ICQFan4ever/MTProxyARMPatch

Compiled on ARMv7 successfully

Can add that the patch works on Raspberry Pi 3 in 2020

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Compiled failed on ARMv8 on Raspberry Pi 4

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I tried to compile for arm ampere for Oracle, it did not work. lscpu listing is on the screenshot

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A little patch (maybe it even works on MIPS, idk) https://github.com/ICQFan4ever/MTProxyARMPatch

Compiled on ARMv7 successfully

Thanks a lot it worked for Orange PI PC. I think it at least works at most of the armhf platforms .

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The patch output was:

$ patch -p1 < arm.patch
patching file Makefile
Hunk #2 FAILED at 13.
1 out of 2 hunks FAILED -- saving rejects to file Makefile.rej
patching file common/cpuid.c
patching file common/crc32.c
patching file common/crc32c.c
patching file common/precise-time.h
patching file common/server-functions.h

and then the make command execution didn't work :(

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