Commit 0df6c8c157af9 ("BaseTools/tools_def AARCH64:
avoid SIMD registers in XIP code")
adds -mgeneral-regs-only to GCC_AARCH64_CC_XIPFLAGS,
in order to avoid a bug present in certain versions of GCC.
This was never a problem for clang.
That's given the history of what the problem is.
Then we can describe how we fix it:
Change *_CLANGDWARF_AARCH64_CC_XIPFLAGS to set the required -mstrict-align
option instead of importing the whole GCC variable.Signed-off-by: Yeping Song <quic_yepi...@quicinc.com> Cc: Rebecca Cran <rebe...@bsdio.com> Cc: Liming Gao <gaolim...@byosoft.com.cn> Cc: Bob Feng <bob.c.f...@intel.com> Cc: Yuwei Chen <yuwei.c...@intel.com> Cc: Ard Biesheuvel <ardb+tianoc...@kernel.org> Cc: Leif Lindholm <quic_llind...@quicinc.com> Cc: Sami Mujawar <sami.muja...@arm.com> --- BaseTools/Conf/tools_def.template | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/BaseTools/Conf/tools_def.template b/BaseTools/Conf/tools_def.template index 5bd5283655ea..c34ecfd557c5 100755 --- a/BaseTools/Conf/tools_def.template +++ b/BaseTools/Conf/tools_def.template @@ -2015,7 +2015,7 @@ DEFINE CLANGDWARF_AARCH64_DLINK_FLAGS = DEF(CLANGDWARF_AARCH64_TARGET) DEF(GCC_ *_CLANGDWARF_AARCH64_RC_FLAGS = DEF(GCC_AARCH64_RC_FLAGS) DEF(GCC_AARCH64_RC_BTI_FLAGS) *_CLANGDWARF_AARCH64_VFRPP_FLAGS = DEF(GCC_VFRPP_FLAGS) DEF(CLANGDWARF_AARCH64_TARGET) $(PLATFORM_FLAGS) *_CLANGDWARF_AARCH64_ASLPP_FLAGS = DEF(GCC_ASLPP_FLAGS) DEF(CLANGDWARF_AARCH64_TARGET) -*_CLANGDWARF_AARCH64_CC_XIPFLAGS = DEF(GCC_AARCH64_CC_XIPFLAGS) +*_CLANGDWARF_AARCH64_CC_XIPFLAGS = -mstrict-align DEBUG_CLANGDWARF_AARCH64_CC_FLAGS = DEF(CLANGDWARF_AARCH64_CC_FLAGS) $(PLATFORM_FLAGS) -flto -O1 DEBUG_CLANGDWARF_AARCH64_DLINK_FLAGS = DEF(CLANGDWARF_AARCH64_DLINK_FLAGS) -flto -Wl,-O1 -fuse-ld=lld -L$(WORKSPACE)/ArmPkg/Library/GccLto -llto-aarch64 -Wl,-plugin-opt=-pass-through=-llto-aarch64 -Wl,--no-pie,--no-relax -- 2.25.1 -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#110647): https://edk2.groups.io/g/devel/message/110647 Mute This Topic: https://groups.io/mt/102368361/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-
