[edk2-devel] [PATCH v1 4/7] CryptoPkg/OpensslLib: Add native instruction support for AARCH64

["PierreGondois" <pierre.gondois@arm.com>]

Add native instruction support for AARCH64.

Signed-off-by: Pierre Gondois <pierre.gondois@arm.com>
---
 .../Library/OpensslLib/OpensslLibAccel.inf    | 21 ++++++++++++++++++-
 .../OpensslLib/OpensslLibFullAccel.inf        | 21 ++++++++++++++++++-
 CryptoPkg/Library/OpensslLib/UefiAsm.conf     |  6 ++++++
 CryptoPkg/Library/OpensslLib/configure.py     |  5 ++++-
 4 files changed, 50 insertions(+), 3 deletions(-)

diff --git a/CryptoPkg/Library/OpensslLib/OpensslLibAccel.inf b/CryptoPkg/Library/OpensslLib/OpensslLibAccel.inf
index a37347fbbfd6..a47e9087133b 100644
--- a/CryptoPkg/Library/OpensslLib/OpensslLibAccel.inf
+++ b/CryptoPkg/Library/OpensslLib/OpensslLibAccel.inf
@@ -5,6 +5,7 @@
 #
 #  Copyright (c) 2010 - 2020, Intel Corporation. All rights reserved.<BR>
 #  (C) Copyright 2020 Hewlett Packard Enterprise Development LP<BR>
+#  Copyright (c) 2023, Arm Limited. All rights reserved.<BR>
 #  SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 ##
@@ -24,9 +25,10 @@ [Defines]
   DEFINE OPENSSL_FLAGS           = -DL_ENDIAN -DOPENSSL_SMALL_FOOTPRINT -D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE -DEDK2_OPENSSL_NOEC=1
   DEFINE OPENSSL_FLAGS_IA32      = -DAES_ASM -DGHASH_ASM -DMD5_ASM -DOPENSSL_CPUID_OBJ -DSHA1_ASM -DSHA256_ASM -DSHA512_ASM -DVPAES_ASM
   DEFINE OPENSSL_FLAGS_X64       = -DAES_ASM -DBSAES_ASM -DGHASH_ASM -DKECCAK1600_ASM -DMD5_ASM -DOPENSSL_CPUID_OBJ -DSHA1_ASM -DSHA256_ASM -DSHA512_ASM -DVPAES_ASM
+  DEFINE OPENSSL_FLAGS_AARCH64   =
 
 #
-#  VALID_ARCHITECTURES           = IA32 X64
+#  VALID_ARCHITECTURES           = IA32 X64 AARCH64
 #
 
 [Sources]
@@ -1326,6 +1328,10 @@ [Sources.X64]
   $(OPENSSL_GEN_PATH)/X64-GCC/crypto/sha/sha512-x86_64.s | GCC
 # Autogenerated files list ends here
 
+[Sources.AARCH64]
+# Autogenerated files list starts here
+# Autogenerated files list ends here
+
 [Packages]
   MdePkg/MdePkg.dec
   CryptoPkg/CryptoPkg.dec
@@ -1403,3 +1409,16 @@ [BuildOptions]
   #       commit d9b8b89bec4480de3a10bdaf9425db371c19145b, and can be dropped then.)
   XCODE:*_*_IA32_CC_FLAGS   = -mmmx -msse -U_WIN32 -U_WIN64 $(OPENSSL_FLAGS) $(OPENSSL_FLAGS_IA32) -w -std=c99 -Wno-error=uninitialized
   XCODE:*_*_X64_CC_FLAGS    = -mmmx -msse -U_WIN32 -U_WIN64 $(OPENSSL_FLAGS) $(OPENSSL_FLAGS_X64) -w -std=c99 -Wno-error=uninitialized
+
+  GCC:*_*_AARCH64_CC_FLAGS    = $(OPENSSL_FLAGS) $(OPENSSL_FLAGS_AARCH64) -Wno-error=format -Wno-format -D_BITS_STDINT_UINTN_H -D_BITS_STDINT_INTN_H
+
+  #
+  # AARCH64 uses strict alignment and avoids SIMD registers for code that may execute
+  # with the MMU off. This involves SEC, PEI_CORE and PEIM modules as well as BASE
+  # libraries, given that they may be included into such modules.
+  # This library, even though of the BASE type, is never used in such cases, and
+  # avoiding the SIMD register file (which is shared with the FPU) prevents the
+  # compiler from successfully building some of the OpenSSL source files that
+  # use floating point types, so clear the flags here.
+  #
+  GCC:*_*_AARCH64_CC_XIPFLAGS ==
diff --git a/CryptoPkg/Library/OpensslLib/OpensslLibFullAccel.inf b/CryptoPkg/Library/OpensslLib/OpensslLibFullAccel.inf
index 780d5febd72e..45a58c7d382e 100644
--- a/CryptoPkg/Library/OpensslLib/OpensslLibFullAccel.inf
+++ b/CryptoPkg/Library/OpensslLib/OpensslLibFullAccel.inf
@@ -10,6 +10,7 @@
 #
 #  Copyright (c) 2010 - 2020, Intel Corporation. All rights reserved.<BR>
 #  (C) Copyright 2020 Hewlett Packard Enterprise Development LP<BR>
+#  Copyright (c) 2023, Arm Limited. All rights reserved.<BR>
 #  SPDX-License-Identifier: BSD-2-Clause-Patent
 #
 ##
@@ -29,9 +30,10 @@ [Defines]
   DEFINE OPENSSL_FLAGS           = -DL_ENDIAN -DOPENSSL_SMALL_FOOTPRINT -D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE
   DEFINE OPENSSL_FLAGS_IA32      = -DAES_ASM -DGHASH_ASM -DMD5_ASM -DOPENSSL_CPUID_OBJ -DSHA1_ASM -DSHA256_ASM -DSHA512_ASM -DVPAES_ASM
   DEFINE OPENSSL_FLAGS_X64       = -DAES_ASM -DBSAES_ASM -DGHASH_ASM -DKECCAK1600_ASM -DMD5_ASM -DOPENSSL_CPUID_OBJ -DSHA1_ASM -DSHA256_ASM -DSHA512_ASM -DVPAES_ASM
+  DEFINE OPENSSL_FLAGS_AARCH64   =
 
 #
-#  VALID_ARCHITECTURES           = IA32 X64
+#  VALID_ARCHITECTURES           = IA32 X64 AARCH64
 #
 
 [Sources]
@@ -1429,6 +1431,10 @@ [Sources.X64]
   $(OPENSSL_GEN_PATH)/X64-GCC/crypto/sha/sha512-x86_64.s | GCC
 # Autogenerated files list ends here
 
+[Sources.AARCH64]
+# Autogenerated files list starts here
+# Autogenerated files list ends here
+
 [Packages]
   MdePkg/MdePkg.dec
   CryptoPkg/CryptoPkg.dec
@@ -1506,3 +1512,16 @@ [BuildOptions]
   #       commit d9b8b89bec4480de3a10bdaf9425db371c19145b, and can be dropped then.)
   XCODE:*_*_IA32_CC_FLAGS   = -mmmx -msse -U_WIN32 -U_WIN64 $(OPENSSL_FLAGS) $(OPENSSL_FLAGS_IA32) -w -std=c99 -Wno-error=uninitialized
   XCODE:*_*_X64_CC_FLAGS    = -mmmx -msse -U_WIN32 -U_WIN64 $(OPENSSL_FLAGS) $(OPENSSL_FLAGS_X64) -w -std=c99 -Wno-error=uninitialized
+
+  GCC:*_*_AARCH64_CC_FLAGS    = $(OPENSSL_FLAGS) $(OPENSSL_FLAGS_AARCH64) -Wno-error=format -Wno-format -D_BITS_STDINT_UINTN_H -D_BITS_STDINT_INTN_H
+
+  #
+  # AARCH64 uses strict alignment and avoids SIMD registers for code that may execute
+  # with the MMU off. This involves SEC, PEI_CORE and PEIM modules as well as BASE
+  # libraries, given that they may be included into such modules.
+  # This library, even though of the BASE type, is never used in such cases, and
+  # avoiding the SIMD register file (which is shared with the FPU) prevents the
+  # compiler from successfully building some of the OpenSSL source files that
+  # use floating point types, so clear the flags here.
+  #
+  GCC:*_*_AARCH64_CC_XIPFLAGS ==
diff --git a/CryptoPkg/Library/OpensslLib/UefiAsm.conf b/CryptoPkg/Library/OpensslLib/UefiAsm.conf
index 907582f93e2d..07273d6a1ab5 100644
--- a/CryptoPkg/Library/OpensslLib/UefiAsm.conf
+++ b/CryptoPkg/Library/OpensslLib/UefiAsm.conf
@@ -2,6 +2,7 @@
 # UEFI assembly openssl configuration targets.
 #
 #  Copyright (c) 2020, Intel Corporation. All rights reserved.<BR>
+#  Copyright (c) 2023, Arm Limited. All rights reserved.<BR>
 #
 #  SPDX-License-Identifier: BSD-2-Clause-Patent
 #
@@ -28,4 +29,9 @@ my %targets = (
         perlasm_scheme  => "elf",
         asm_arch        => "x86_64",
     },
+    "UEFI-AARCH64-GCC" => {
+        inherit_from    => [ "UEFI" ],
+        asm_arch        => "aarch64",
+        perlasm_scheme  => "linux64-aarch64",
+    },
 );
diff --git a/CryptoPkg/Library/OpensslLib/configure.py b/CryptoPkg/Library/OpensslLib/configure.py
index 4243ca4c2574..d3013dddb834 100755
--- a/CryptoPkg/Library/OpensslLib/configure.py
+++ b/CryptoPkg/Library/OpensslLib/configure.py
@@ -353,7 +353,8 @@ def main():
         sources = {}
         defines = {}
         for asm in [ 'UEFI-IA32-MSFT', 'UEFI-IA32-GCC',
-                     'UEFI-X64-MSFT', 'UEFI-X64-GCC']:
+                     'UEFI-X64-MSFT', 'UEFI-X64-GCC',
+                     'UEFI-AARCH64-GCC']:
             (uefi, arch, cc) = asm.split('-')
             archcc = f'{arch}-{cc}'
 
@@ -375,6 +376,8 @@ def main():
         x64accel = sources['X64'] + sources['X64-MSFT'] + sources['X64-GCC']
         update_inf(inf, ia32accel, 'IA32', defines['IA32'])
         update_inf(inf, x64accel, 'X64', defines['X64'])
+        aarch64accel = sources['AARCH64'] + sources['AARCH64-GCC']
+        update_inf(inf, aarch64accel, 'AARCH64', defines['AARCH64'])
 
     # noaccel - ec enabled
     openssl_configure(openssldir, 'UEFI', ec = True);
-- 
2.25.1



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