While compiling drivers or applications on Debian 9.8, using the native gcc 6.3.0 ARM compiler, one may run into the following build failure:
"undefined reference to `__aeabi_lasr'" This patch adds the missing definition, through a port of the existing RVCT lasr.asm source. CC: Ard Biesheuvel <ard.biesheu...@linaro.org> CC: Leif Lindholm <leif.lindh...@linaro.org> Signed-off-by: Pete Batard <p...@akeo.ie> --- ArmPkg/Library/CompilerIntrinsicsLib/Arm/lasr.S | 22 ++++++++++++++++++++ ArmPkg/Library/CompilerIntrinsicsLib/CompilerIntrinsicsLib.inf | 1 + 2 files changed, 23 insertions(+) diff --git a/ArmPkg/Library/CompilerIntrinsicsLib/Arm/lasr.S b/ArmPkg/Library/CompilerIntrinsicsLib/Arm/lasr.S new file mode 100644 index 000000000000..9ded045b8bc4 --- /dev/null +++ b/ArmPkg/Library/CompilerIntrinsicsLib/Arm/lasr.S @@ -0,0 +1,22 @@ +#------------------------------------------------------------------------------ +# +# Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR> +# +# SPDX-License-Identifier: BSD-2-Clause-Patent +# +#------------------------------------------------------------------------------ + +#include <AsmMacroIoLib.h> + +ASM_FUNC(__aeabi_lasr) + subs r3,r2,#0x20 + bpl L_Test + rsb r3,r2,#0x20 + lsr r0,r0,r2 + orr r0,r0,r1,LSL r3 + asr r1,r1,r2 + bx lr +L_Test: + asr r0,r1,r3 + asr r1,r1,#31 + bx lr diff --git a/ArmPkg/Library/CompilerIntrinsicsLib/CompilerIntrinsicsLib.inf b/ArmPkg/Library/CompilerIntrinsicsLib/CompilerIntrinsicsLib.inf index 0d5634959993..7cb8f194f210 100644 --- a/ArmPkg/Library/CompilerIntrinsicsLib/CompilerIntrinsicsLib.inf +++ b/ArmPkg/Library/CompilerIntrinsicsLib/CompilerIntrinsicsLib.inf @@ -90,6 +90,7 @@ [Sources.ARM] Arm/uldiv.S | GCC Arm/ldivmod.S | GCC + Arm/lasr.S | GCC Arm/llsr.S | GCC Arm/llsl.S | GCC -- 2.21.0.windows.1 -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#40123): https://edk2.groups.io/g/devel/message/40123 Mute This Topic: https://groups.io/mt/31533433/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-