The RiscV toolchain doesn't provide __ctzdi2 implementation when compiled with -nostdlib that needed by openssl library. So adding the implementation of __ctzdi2.
Forcing to use CopyMem of EDK2 as memcpy buildin disabled for RiscV with -fno-builtin-memcpy flag. REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4103 Signed-off-by: Tuan Phan <tp...@ventanamicro.com> Acked-by: Sunil V L <suni...@ventanamicro.com> --- V2: - Add license header. - Add REF to the bugzilla. .../Library/IntrinsicLib/CompilerHelper.c | 42 +++++++++++++++++++ .../Library/IntrinsicLib/IntrinsicLib.inf | 6 ++- 2 files changed, 47 insertions(+), 1 deletion(-) create mode 100644 CryptoPkg/Library/IntrinsicLib/CompilerHelper.c diff --git a/CryptoPkg/Library/IntrinsicLib/CompilerHelper.c b/CryptoPkg/Library/IntrinsicLib/CompilerHelper.c new file mode 100644 index 000000000000..3844fd14ae66 --- /dev/null +++ b/CryptoPkg/Library/IntrinsicLib/CompilerHelper.c @@ -0,0 +1,42 @@ +/** @file + Implement functions that not available when compiled with -nostdlib. + + Copyright (c) 2022, Ventana Micro Systems Inc. All Rights Reserved.<BR> + SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +unsigned int +__ctzdi2 (unsigned long long x) +{ + unsigned int ret = 0; + + if (!x) { + return 64; + } + if (!(x & 0xffffffff)) { + x >>= 32; + ret |= 32; + } + if (!(x & 0xffff)) { + x >>= 16; + ret |= 16; + } + if (!(x & 0xff)) { + x >>= 8; + ret |= 8; + } + if (!(x & 0xf)) { + x >>= 4; + ret |= 4; + } + if (!(x & 0x3)) { + x >>= 2; + ret |= 2; + } + if (!(x & 0x1)) { + x >>= 1; + ret |= 1; + } + return ret; +} diff --git a/CryptoPkg/Library/IntrinsicLib/IntrinsicLib.inf b/CryptoPkg/Library/IntrinsicLib/IntrinsicLib.inf index 86e74b57b109..6796b39b07cf 100644 --- a/CryptoPkg/Library/IntrinsicLib/IntrinsicLib.inf +++ b/CryptoPkg/Library/IntrinsicLib/IntrinsicLib.inf @@ -18,7 +18,7 @@ # # The following information is for reference only and not required by the build tools. # -# VALID_ARCHITECTURES = IA32 X64 +# VALID_ARCHITECTURES = IA32 X64 RISCV64 # [Sources] @@ -43,6 +43,10 @@ [Sources.X64] CopyMem.c +[Sources.RISCV64] + CopyMem.c + CompilerHelper.c + [Packages] MdePkg/MdePkg.dec -- 2.25.1 -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#97585): https://edk2.groups.io/g/devel/message/97585 Mute This Topic: https://groups.io/mt/95777535/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-
