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Merge pull request #8392 from lpy4105/backport-2.28/issue/support-cpuid-for-win32

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Backport 2.28: Support cpuid for win32
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Tom Cosgrove 2023-10-23 10:43:36 +00:00 committed by GitHub
commit c6d562815d
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3 changed files with 19 additions and 4 deletions
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4
ChangeLog.d/fix-mingw32-build.txt Normal file
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@ -0,0 +1,4 @@
Bugfix
* Fix an inconsistency between implementations and usages of `__cpuid`,
which mainly causes failures when building Windows target using
mingw or clang. Fixes #8334 & #8332.

8
library/aesni.c
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@ -39,10 +39,12 @@
#if defined(MBEDTLS_AESNI_HAVE_CODE)
#if MBEDTLS_AESNI_HAVE_CODE == 2
#if !defined(_WIN32)
#if defined(__GNUC__)
#include <cpuid.h>
#else
#elif defined(_MSC_VER)
#include <intrin.h>
#else
#error "`__cpuid` required by MBEDTLS_AESNI_C is not supported by the compiler"
#endif
#include <immintrin.h>
#endif
@ -57,7 +59,7 @@ int mbedtls_aesni_has_support(unsigned int what)
if (!done) {
#if MBEDTLS_AESNI_HAVE_CODE == 2
static unsigned info[4] = { 0, 0, 0, 0 };
static int info[4] = { 0, 0, 0, 0 };
#if defined(_MSC_VER)
__cpuid(info, 1);
#else

11
tests/scripts/all.sh
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@ -3339,7 +3339,16 @@ component_build_mingw () {
make CC=i686-w64-mingw32-gcc AR=i686-w64-mingw32-ar LD=i686-w64-minggw32-ld CFLAGS='-Werror -Wall -Wextra' WINDOWS_BUILD=1 SHARED=1 lib programs
make CC=i686-w64-mingw32-gcc AR=i686-w64-mingw32-ar LD=i686-w64-minggw32-ld CFLAGS='-Werror -Wall -Wextra' WINDOWS_BUILD=1 SHARED=1 tests
make WINDOWS_BUILD=1 clean
}
msg "build: Windows cross build - mingw64, make (Library only, AESNI intrinsics)" # ~ 30s
make CC=i686-w64-mingw32-gcc AR=i686-w64-mingw32-ar LD=i686-w64-minggw32-ld CFLAGS='-Werror -Wall -Wextra -maes -msse2 -mpclmul' WINDOWS_BUILD=1 lib
make WINDOWS_BUILD=1 clean
msg "build: Windows cross build - mingw64, make (Library only, default config without MBEDTLS_AESNI_C)" # ~ 30s
./scripts/config.py unset MBEDTLS_AESNI_C
make CC=i686-w64-mingw32-gcc AR=i686-w64-mingw32-ar LD=i686-w64-minggw32-ld CFLAGS='-Werror -Wall -Wextra' WINDOWS_BUILD=1 lib
make WINDOWS_BUILD=1 clean
}
support_build_mingw() {
case $(i686-w64-mingw32-gcc -dumpversion 2>/dev/null) in
[0-5]*|"") false;;