v2:
- [PATCH v2 2/7] MdePkg/BaseLib: AARCH64: Add ArmReadIdAA64Isar0Reg()
  - Correct bad mask values in MdePkg/Include/Library/BaseLib.h
- [PATCH v2 4/7] CryptoPkg/OpensslLib: Add native instruction support:
  - Add armcap.c to configure.py:sources_filter_fn() instead of
    manually commenting the file in .inf files

Various OpensslLib implementations are available in edk2. The
OpensslLibAccel.inf and OpensslLibFullAccel.inf ones use
architecture specific instructions, e.g. AESE, PMULL, SHA256H, ...,
allowing to improve speed.

Enable support for Aarch64's native instructions:
- Add ArmReadCntPctReg() and ArmReadIdAA64Isar0Reg() to
  Aarch64's BaseLib.
- Generate Aarch64's specific Openssl functions.
- Add a OpensslStub/AArch64Cap.c file to allow Openssl
  to probe Aarch64 native instruction support.

This patch-set only enable support for GCC for now (MSFT support
not added).

---- Testing ----

The tests run are based on the TestBaseCryptLibShell module.
Each test is run 100 times, then the first 5 values
(considered as warmup) are removed.

The NoAccel column relies on the OpensslLibFull implementation,
the Accel column relies on the OpensslLibFullAccel implementation.
The 'Improvement' column is computed as:
   100 * ('Accel (ns)' - 'NoAccel (ns)') / 'NoAccel (ns)'

The std deviation of the TestVerifyDhGenerateKey is big.
It is due to [1] being called with the 'safe' parameter set, leading
to the prime number taking more time to generate. It requires ~10
iterations when safe=false, ~1000 iterations when safe=true.

The test was run on a Juno-r2. The native Openssl implementation makes
use of the following features (cf. [2]):
- ARMV7_NEON
- ARMV8_AES
- ARMV8_SHA1
- ARMV8_PMULL
- ARMV8_SHA256
and misses:
- ARMV8_SHA512

| TestName                         |   NoAccel (ns) |   NoAccel std |   Accel (ns) |   Accel std |   Improvement |
|:---------------------------------|---------------:|--------------:|-------------:|------------:|--------------:|
| mPkcs7EkuTest                    |       14757511 |         14370 |     14947276 |       35677 |       1.28589 |
| mAeadAesGcmTest                  |         129667 |          2012 |       113897 |        1366 |     -12.1619  |
| mBlockCipherTest                 |           7325 |           102 |         6487 |          81 |     -11.4403  |
| mAuthenticodeTest                |       72852444 |       3097832 |     67593102 |     3123627 |      -7.21917 |
| mBnTest                          |         771921 |         57966 |       737656 |       61354 |      -4.43893 |
| mDhTest                          |     4082083501 |    3340300622 |   3502629757 |  3444890110 |     -14.195   |
| mEcTest                          |       24666075 |        191971 |     23250301 |      178985 |      -5.73976 |
| mHkdfTest                        |         848440 |          4295 |       797966 |        4320 |      -5.94904 |
| mHmacTest                        |         235527 |         36284 |       204823 |       37936 |     -13.0363  |
| mImageTimestampTest              |       12801070 |         18327 |     12190046 |       23138 |      -4.77323 |
| mOaepTest                        |       20032245 |         46525 |     18671388 |       36399 |      -6.79333 |
| mPkcs5Test                       |         178624 |          1962 |       114852 |        1376 |     -35.7018  |
| mPkcs7Test                       |       28464572 |         70683 |     25282753 |       82616 |     -11.1782  |
| mPrngTest                        |         727013 |          3637 |       460076 |        2668 |     -36.717   |
| mRsaCertTest                     |       39109865 |         90380 |     36452412 |      220712 |      -6.79484 |
| mRsaTest                         |       22451367 |         60643 |     16672060 |       53643 |     -25.7414  |
| mRsaPssTest                      |      142051533 |        122172 |     98638975 |       99131 |     -30.5611  |
| mHashTest                        |          22033 |          6308 |        17650 |        6622 |     -19.8929  |
| mX509Test                        |       53796289 |        123676 |     51280121 |      187588 |      -4.67721 |

Pierre Gondois (7):
  MdePkg/BaseLib: AARCH64: Add ArmReadCntPctReg()
  MdePkg/BaseLib: AARCH64: Add ArmReadIdAA64Isar0Reg()
  MdePkg/BaseRngLib: Prefer ArmReadIdAA64Isar0Reg() over
    ArmReadIdIsar0()
  CryptoPkg/OpensslLib: Add native instruction support for AARCH64
  CryptoPkg/OpensslLib: Generate files for AARCH64 native support
  CryptoPkg/OpensslLib: Add AArch64Cap for arch specific hooks
  CryptoPkg: Enable Openssl Accel builds for AARCH64

 CryptoPkg/CryptoPkg.dsc                       |   23 +-
 .../AARCH64-GCC/crypto/aes/aesv8-armx.S       | 3180 ++++++++
 .../AARCH64-GCC/crypto/aes/vpaes-armv8.S      | 1196 +++
 .../AARCH64-GCC/crypto/arm64cpuid.S           |  129 +
 .../AARCH64-GCC/crypto/bn/armv8-mont.S        | 2124 ++++++
 .../crypto/ec/ecp_nistz256-armv8.S            | 4242 +++++++++++
 .../crypto/modes/aes-gcm-armv8_64.S           | 6389 +++++++++++++++++
 .../AARCH64-GCC/crypto/modes/ghashv8-armx.S   |  552 ++
 .../AARCH64-GCC/crypto/sha/keccak1600-armv8.S | 1009 +++
 .../AARCH64-GCC/crypto/sha/sha1-armv8.S       | 1211 ++++
 .../AARCH64-GCC/crypto/sha/sha256-armv8.S     | 2051 ++++++
 .../AARCH64-GCC/crypto/sha/sha512-armv8.S     | 1606 +++++
 .../Library/OpensslLib/OpensslLibAccel.inf    |  641 +-
 .../OpensslLib/OpensslLibFullAccel.inf        |  690 +-
 .../OpensslLib/OpensslStub/AArch64Cap.c       |  107 +
 CryptoPkg/Library/OpensslLib/UefiAsm.conf     |    6 +
 CryptoPkg/Library/OpensslLib/configure.py     |    6 +-
 CryptoPkg/Readme.md                           |   14 +-
 MdePkg/Include/Library/BaseLib.h              |   86 +
 .../BaseLib/AArch64/ArmReadCntPctReg.S        |   30 +
 .../BaseLib/AArch64/ArmReadCntPctReg.asm      |   30 +
 .../AArch64/ArmReadIdAA64Isar0Reg.S}          |   10 +-
 .../AArch64/ArmReadIdAA64Isar0Reg.asm}        |   10 +-
 MdePkg/Library/BaseLib/BaseLib.inf            |    6 +-
 MdePkg/Library/BaseRngLib/AArch64/ArmRng.h    |   12 -
 MdePkg/Library/BaseRngLib/AArch64/Rndr.c      |   14 +-
 MdePkg/Library/BaseRngLib/BaseRngLib.inf      |    2 -
 27 files changed, 25319 insertions(+), 57 deletions(-)
 create mode 100644 CryptoPkg/Library/OpensslLib/OpensslGen/AARCH64-GCC/crypto/aes/aesv8-armx.S
 create mode 100644 CryptoPkg/Library/OpensslLib/OpensslGen/AARCH64-GCC/crypto/aes/vpaes-armv8.S
 create mode 100644 CryptoPkg/Library/OpensslLib/OpensslGen/AARCH64-GCC/crypto/arm64cpuid.S
 create mode 100644 CryptoPkg/Library/OpensslLib/OpensslGen/AARCH64-GCC/crypto/bn/armv8-mont.S
 create mode 100644 CryptoPkg/Library/OpensslLib/OpensslGen/AARCH64-GCC/crypto/ec/ecp_nistz256-armv8.S
 create mode 100644 CryptoPkg/Library/OpensslLib/OpensslGen/AARCH64-GCC/crypto/modes/aes-gcm-armv8_64.S
 create mode 100644 CryptoPkg/Library/OpensslLib/OpensslGen/AARCH64-GCC/crypto/modes/ghashv8-armx.S
 create mode 100644 CryptoPkg/Library/OpensslLib/OpensslGen/AARCH64-GCC/crypto/sha/keccak1600-armv8.S
 create mode 100644 CryptoPkg/Library/OpensslLib/OpensslGen/AARCH64-GCC/crypto/sha/sha1-armv8.S
 create mode 100644 CryptoPkg/Library/OpensslLib/OpensslGen/AARCH64-GCC/crypto/sha/sha256-armv8.S
 create mode 100644 CryptoPkg/Library/OpensslLib/OpensslGen/AARCH64-GCC/crypto/sha/sha512-armv8.S
 create mode 100644 CryptoPkg/Library/OpensslLib/OpensslStub/AArch64Cap.c
 create mode 100644 MdePkg/Library/BaseLib/AArch64/ArmReadCntPctReg.S
 create mode 100644 MdePkg/Library/BaseLib/AArch64/ArmReadCntPctReg.asm
 rename MdePkg/Library/{BaseRngLib/AArch64/ArmReadIdIsar0.S => BaseLib/AArch64/ArmReadIdAA64Isar0Reg.S} (70%)
 rename MdePkg/Library/{BaseRngLib/AArch64/ArmReadIdIsar0.asm => BaseLib/AArch64/ArmReadIdAA64Isar0Reg.asm} (72%)

-- 
2.25.1



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