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MemoryType information assists GCD with defragmenting the memory map.
When the DXE core starts, GCD adds memory descriptors for the resource
descriptors HOBs. This allocates heap space which can be reused later
as the bins by memory type. It seems memory allocation prefers low
ranges.
It seems "below 4G" is an artifact of this heap reuse. However, the
memory type information determines the DXE core's
`MinimalMemorySizeNeeded`, determining which system memory descriptor
HOB may be used by DXE. Furthermore, it's important that the memory
type information be correct, for an S4 memory map.
Therefore, follow other bootloaders, such as [MinPlatform][1], and do
this unconditionally. As of [edk2-stable202011][2], it was.
[1]: https://github.com/tianocore/edk2-platforms/blob/b6f96743891be51541184bf61dd2970c008e2c43/Platform/Intel/MinPlatformPkg/PlatformInit/PlatformInitPei/PlatformInitPreMem.c#L164-L201
[2]: https://github.com/tianocore/edk2/blob/edk2-stable202011/UefiPayloadPkg/BlSupportPei/BlSupportPei.c#L462-L466
Cc: Guo Dong <guo.dong@intel.com>
Cc: Ray Ni <ray.ni@intel.com>
Cc: Sean Rhodes <sean@starlabs.systems>
Cc: James Lu <james.lu@intel.com>
Cc: Gua Guo <gua.guo@intel.com>
Reviewed-by: Sean Rhodes <sean@starlabs.systems>
Signed-off-by: Benjamin Doron <benjamin.doron00@gmail.com>
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Because UefiCpuPkg/UefiCpuLib is merged to MdePkg/CpuLib and all modules
are updated to not depend on this library, remove it completely.
Cc: Eric Dong <eric.dong@intel.com>
Cc: Ray Ni <ray.ni@intel.com>
Cc: Rahul Kumar <rahul1.kumar@intel.com>
Signed-off-by: Yu Pu <yu.pu@intel.com>
Reviewed-by: Ray Ni <ray.ni@intel.com>
Signed-off-by: Zhiguang Liu <zhiguang.liu@intel.com>
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Signed-off-by: MillerX Lin <millerx.lin@intel.com>
Cc: Ray Ni <ray.ni@intel.com>
Cc: Zhichao Gao <zhichao.gao@intel.com>
Reviewed-by: Zhichao Gao <zhichao.gao@intel.com>
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__FUNCTION__ is a pre-standard extension that gcc and Visual C++ among
others support, while __func__ was standardized in C99.
Since it's more standard, replace __FUNCTION__ with __func__ throughout
FmpDevicePkg.
Signed-off-by: Rebecca Cran <rebecca@bsdio.com>
Reviewed-by: Michael D Kinney <michael.d.kinney@intel.com>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Reviewed-by: Wei6 Xu <wei6.xu@intel.com>
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__FUNCTION__ is a pre-standard extension that gcc and Visual C++ among
others support, while __func__ was standardized in C99.
Since it's more standard, replace __FUNCTION__ with __func__ throughout
UefiPayloadPkg.
Signed-off-by: Rebecca Cran <rebecca@bsdio.com>
Reviewed-by: Michael D Kinney <michael.d.kinney@intel.com>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Reviewed-by: Gua Guo <gua.guo@intel.com>
Reviewed-by: James Lu <james.lu@intel.com>
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__FUNCTION__ is a pre-standard extension that gcc and Visual C++ among
others support, while __func__ was standardized in C99.
Since it's more standard, replace __FUNCTION__ with __func__ throughout
EmulatorPkg.
Signed-off-by: Rebecca Cran <rebecca@bsdio.com>
Reviewed-by: Michael D Kinney <michael.d.kinney@intel.com>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Reviewed-by: Abner Chang <Abner.Chang@amd.com>
Reviewed-by: Ray Ni <ray.ni@intel.com>
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__FUNCTION__ is a pre-standard extension that gcc and Visual C++ among
others support, while __func__ was standardized in C99.
Since it's more standard, replace __FUNCTION__ with __func__ throughout
SourceLevelDebugPkg.
Signed-off-by: Rebecca Cran <rebecca@bsdio.com>
Reviewed-by: Michael D Kinney <michael.d.kinney@intel.com>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Reviewed-by: Ray Ni <ray.ni@intel.com>
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__FUNCTION__ is a pre-standard extension that gcc and Visual C++ among
others support, while __func__ was standardized in C99.
Since it's more standard, replace __FUNCTION__ with __func__ throughout
NetworkPkg.
Signed-off-by: Rebecca Cran <rebecca@bsdio.com>
Reviewed-by: Michael D Kinney <michael.d.kinney@intel.com>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
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__FUNCTION__ is a pre-standard extension that gcc and Visual C++ among
others support, while __func__ was standardized in C99.
Since it's more standard, replace __FUNCTION__ with __func__ throughout
CryptoPkg.
Signed-off-by: Rebecca Cran <rebecca@bsdio.com>
Reviewed-by: Michael D Kinney <michael.d.kinney@intel.com>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
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__FUNCTION__ is a pre-standard extension that gcc and Visual C++ among
others support, while __func__ was standardized in C99.
Since it's more standard, replace __FUNCTION__ with __func__ throughout
StandaloneMmPkg.
Signed-off-by: Rebecca Cran <rebecca@bsdio.com>
Reviewed-by: Michael D Kinney <michael.d.kinney@intel.com>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
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__FUNCTION__ is a pre-standard extension that gcc and Visual C++ among
others support, while __func__ was standardized in C99.
Since it's more standard, replace __FUNCTION__ with __func__ throughout
PrmPkg.
Signed-off-by: Rebecca Cran <rebecca@bsdio.com>
Reviewed-by: Michael D Kinney <michael.d.kinney@intel.com>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
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__FUNCTION__ is a pre-standard extension that gcc and Visual C++ among
others support, while __func__ was standardized in C99.
Since it's more standard, replace __FUNCTION__ with __func__ throughout
UnitTestFrameworkPkg.
Signed-off-by: Rebecca Cran <rebecca@bsdio.com>
Reviewed-by: Michael D Kinney <michael.d.kinney@intel.com>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
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__FUNCTION__ is a pre-standard extension that gcc and Visual C++ among
others support, while __func__ was standardized in C99.
Since it's more standard, replace __FUNCTION__ with __func__ throughout
ArmPlatformPkg.
Signed-off-by: Rebecca Cran <rebecca@bsdio.com>
Reviewed-by: Michael D Kinney <michael.d.kinney@intel.com>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
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__FUNCTION__ is a pre-standard extension that gcc and Visual C++ among
others support, while __func__ was standardized in C99.
Since it's more standard, replace __FUNCTION__ with __func__ throughout
RedfishPkg.
Signed-off-by: Rebecca Cran <rebecca@bsdio.com>
Reviewed-by: Michael D Kinney <michael.d.kinney@intel.com>
Ard Biesheuvel <ardb@kernel.org>
Reviewed-by: Nickle Wang <nicklew@nvidia.com>
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__FUNCTION__ is a pre-standard extension that gcc and Visual C++ among
others support, while __func__ was standardized in C99.
Since it's more standard, replace __FUNCTION__ with __func__ throughout
EmbeddedPkg.
Signed-off-by: Rebecca Cran <rebecca@bsdio.com>
Reviewed-by: Michael D Kinney <michael.d.kinney@intel.com>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Reviewed-by: Abner Chang <abner.chang@amd.com>
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__FUNCTION__ is a pre-standard extension that gcc and Visual C++ among
others support, while __func__ was standardized in C99.
Since it's more standard, replace __FUNCTION__ with __func__ throughout
SecurityPkg.
Signed-off-by: Rebecca Cran <rebecca@bsdio.com>
Reviewed-by: Michael D Kinney <michael.d.kinney@intel.com>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
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__FUNCTION__ is a pre-standard extension that gcc and Visual C++ among
others support, while __func__ was standardized in C99.
Since it's more standard, replace __FUNCTION__ with __func__ throughout
MdeModulePkg.
Signed-off-by: Rebecca Cran <rebecca@bsdio.com>
Reviewed-by: Michael D Kinney <michael.d.kinney@intel.com>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
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__FUNCTION__ is a pre-standard extension that gcc and Visual C++ among
others support, while __func__ was standardized in C99.
Since it's more standard, replace __FUNCTION__ with __func__ throughout
OvmfPkg.
Signed-off-by: Rebecca Cran <rebecca@bsdio.com>
Reviewed-by: Michael D Kinney <michael.d.kinney@intel.com>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Reviewed-by: Sunil V L <sunilvl@ventanamicro.com>
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__FUNCTION__ is a pre-standard extension that gcc and Visual C++ among
others support, while __func__ was standardized in C99.
Since it's more standard, replace __FUNCTION__ with __func__ throughout
UefiCpuPkg.
Signed-off-by: Rebecca Cran <rebecca@bsdio.com>
Reviewed-by: Michael D Kinney <michael.d.kinney@intel.com>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Reviewed-by: Ray Ni <ray.ni@intel.com>
Reviewed-by: Sunil V L <sunilvl@ventanamicro.com>
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__FUNCTION__ is a pre-standard extension that gcc and Visual C++ among
others support, while __func__ was standardized in C99.
Since it's more standard, replace __FUNCTION__ with __func__ throughout
ArmVirtPkg.
Signed-off-by: Rebecca Cran <rebecca@bsdio.com>
Reviewed-by: Michael D Kinney <michael.d.kinney@intel.com>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
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__FUNCTION__ is a pre-standard extension that gcc and Visual C++ among
others support, while __func__ was standardized in C99.
Since it's more standard, replace __FUNCTION__ with __func__ throughout
ArmPkg.
Signed-off-by: Rebecca Cran <rebecca@bsdio.com>
Reviewed-by: Michael D Kinney <michael.d.kinney@intel.com>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
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Update PrmPkg host-based unit test INF files to only list
VALID_ARCHITECTURES of IA32 and X64 to align with all other
host-based unit test INF files. The UnitTestFrameworkPkg only
provides build support of host-based unit tests to OS applications
for IA32 and X64.
Cc: Michael Kubacki <mikuback@linux.microsoft.com>
Cc: Nate DeSimone <nathaniel.l.desimone@intel.com>
Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com>
Reviewed-by: Oliver Smith-Denny <osde@linux.microsoft.com>
Reviewed-by: Michael Kubacki <mikuback@linux.microsoft.com>
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Update MdeModulePkg host-based unit test INF files to only list
VALID_ARCHITECTURES of IA32 and X64 to align with all other
host-based unit test INF files. The UnitTestFrameworkPkg only
provides build support of host-based unit tests to OS applications
for IA32 and X64.
Cc: Jian J Wang <jian.j.wang@intel.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com>
Reviewed-by: Oliver Smith-Denny <osde@linux.microsoft.com>
Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
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Update BaseLib host-based unit test INF file to only list
VALID_ARCHITECTURES of IA32 and X64 to align with all other
host-based unit test INF files. The UnitTestFrameworkPkg only
provides build support of host-based unit tests to OS applications
for IA32 and X64.
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Cc: Zhiguang Liu <zhiguang.liu@intel.com>
Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com>
Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
Reviewed-by: Oliver Smith-Denny <osde@linux.microsoft.com>
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Update SecureBootVariableLib host-based unit test INF file to only
list VALID_ARCHITECTURES of IA32 and X64 to align with all other
host-based unit test INF files. The UnitTestFrameworkPkg only
provides build support of host-based unit tests to OS applications
for IA32 and X64.
Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Jian J Wang <jian.j.wang@intel.com>
Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
Reviewed-by: Oliver Smith-Denny <osde@linux.microsoft.com>
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The unit test code for the SecureBootVariableLib is initializing
local variable structures in their declaration from other local
variables that are also initialized in their declaration. ANSI C
does not allow this and error 4122 is generated on VS20xx compilers.
The test cases are updated to initialize the local structure
fields in C statements instead of their local variable declaration.
Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Jian J Wang <jian.j.wang@intel.com>
Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
Reviewed-by: Oliver Smith-Denny <osde@linux.microsoft.com>
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REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4389
Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Jian J Wang <jian.j.wang@intel.com>
Signed-off-by: Chris Johnson <chris.n.johnson@intel.com>
Acked-by: Jiewen Yao <jiewen.yao@intel.com>
Reviewed-by: Oliver Smith-Denny <osde@linux.microsoft.com>
Reviewed-by: Michael D Kinney <michael.d.kinney@intel.com>
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REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4389
Cc: Jian J Wang <jian.j.wang@intel.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Signed-off-by: Chris Johnson <chris.n.johnson@intel.com>
Reviewed-by: Oliver Smith-Denny <osde@linux.microsoft.com>
Reviewed-by: Michael D Kinney <michael.d.kinney@intel.com>
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REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4389
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Cc: Zhiguang Liu <zhiguang.liu@intel.com>
Signed-off-by: Chris Johnson <chris.n.johnson@intel.com>
Acked-by: Liming Gao <gaoliming@byosoft.com.cn>
Reviewed-by: Oliver Smith-Denny <osde@linux.microsoft.com>
Reviewed-by: Michael D Kinney <michael.d.kinney@intel.com>
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REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4389
Cc: Sean Brogan <sean.brogan@microsoft.com>
Cc: Michael Kubacki <mikuback@linux.microsoft.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Signed-off-by: Chris Johnson <chris.n.johnson@intel.com>
Reviewed-by: Michael Kubacki <michael.kubacki@microsoft.com>
Reviewed-by: Oliver Smith-Denny <osde@linux.microsoft.com>
Reviewed-by: Michael D Kinney <michael.d.kinney@intel.com>
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REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4389
* Add gmock support to GoogleTestLib
* Add FunctionMockLib library class and library instance
* Add GoogleTest extension to GoogleTestLib.h for CHAR16 type
* Add GoogleTest extension to GoogleTestLib.h for buffer types
* HOST_APPLICATION only supports IA32/X64
Cc: Sean Brogan <sean.brogan@microsoft.com>
Cc: Michael Kubacki <mikuback@linux.microsoft.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Signed-off-by: Chris Johnson <chris.n.johnson@intel.com>
Reviewed-by: Michael Kubacki <michael.kubacki@microsoft.com>
Reviewed-by: Oliver Smith-Denny <osde@linux.microsoft.com>
Reviewed-by: Michael D Kinney <michael.d.kinney@intel.com>
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REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4389
Add submodule for https://github.com/Zeex/subhook
This submodule is required to hook internal functions
when using gmock.
Cc: Sean Brogan <sean.brogan@microsoft.com>
Cc: Michael Kubacki <mikuback@linux.microsoft.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Signed-off-by: Chris Johnson <chris.n.johnson@intel.com>
Reviewed-by: Leif Lindholm <quic_llindhol@quicinc.com>
Reviewed-by: Michael Kubacki <michael.kubacki@microsoft.com>
Reviewed-by: Oliver Smith-Denny <osde@linux.microsoft.com>
Reviewed-by: Michael D Kinney <michael.d.kinney@intel.com>
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REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4389
Add subhook submodule that is required to hook internal functions
when using gmock.
https://github.com/Zeex/subhook
Add SubhookLib library class and SubhookLib library instance.
Include the SUBHOOK_STATIC define in the SubhookLib INF file so
it builds as a static library. Also include the SUBHOOK_STATIC
define in SubhookLib.h so all modules using SubhookLib properly
link SubhookLib as a static library.
Cc: Andrew Fish <afish@apple.com>
Cc: Leif Lindholm <quic_llindhol@quicinc.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Michael Kubacki <mikuback@linux.microsoft.com>
Cc: Sean Brogan <sean.brogan@microsoft.com>
Signed-off-by: Chris Johnson <chris.n.johnson@intel.com>
Reviewed-by: Leif Lindholm <quic_llindhol@quicinc.com>
Reviewed-by: Michael Kubacki <michael.kubacki@microsoft.com>
Reviewed-by: Oliver Smith-Denny <osde@linux.microsoft.com>
Reviewed-by: Michael D Kinney <michael.d.kinney@intel.com>
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REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4405
The memory attributes table has been extended with a flag that indicates
whether or not the OS is permitted to map the EFI runtime code regions
with strict enforcement for IBT/BTI landing pad instructions.
Given that the PE/COFF spec now defines a DllCharacteristicsEx flag that
indicates whether or not a loaded image is compatible with this, we can
wire this up to the flag in the memory attributes table, and set it if
all loaded runtime image are compatible with it.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Reviewed-by: Leif Lindholm <quic_llindhol@quicinc.com>
Reviewed-by: Oliver Smith-Denny <osde@linux.microsoft.com>
Reviewed-by: Michael Kubacki <michael.kubacki@microsoft.com>
Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
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REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4405
When loading a PE/COFF image, capture the DLL characteristics fields of
the header into our image context structure so we can refer to them when
mapping the image.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Reviewed-by: Leif Lindholm <quic_llindhol@quicinc.com>
Reviewed-by: Oliver Smith-Denny <osde@linux.microsoft.com>
Reviewed-by: Michael Kubacki <michael.kubacki@microsoft.com>
Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
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REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4405
The PE/COFF spec describes an additional DllCharacteristics field
implemented as a debug directory entry, which carries flags related to
which control flow integrity (CFI) features are supported by the binary.
So let's add this entry when doing ELF to PE/COFF conversion - we will
add support for setting the flags in a subsequent patch.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Reviewed-by: Leif Lindholm <quic_llindhol@quicinc.com>
Reviewed-by: Oliver Smith-Denny <osde@linux.microsoft.com>
Reviewed-by: Michael Kubacki <michael.kubacki@microsoft.com>
Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
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REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4405
When performing ELF to PE/COFF conversion, parse any notes sections to
decide whether the image supports forward CFI landing pads. This will be
used to set the associated DllCharacteristicsEx flag in a subsequent
patch.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Reviewed-by: Leif Lindholm <quic_llindhol@quicinc.com>
Reviewed-by: Oliver Smith-Denny <osde@linux.microsoft.com>
Acked-by: Michael Kubacki <michael.kubacki@microsoft.com>
Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
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REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4375
add '-pb' command of build bios with exist PreUniversalPayload file.
'-e' command of olny build the UniversalPayloadentry file.
Cc: Guo Dong <guo.dong@intel.com>
Cc: Ray Ni <ray.ni@intel.com>
Reviewed-by: James Lu <james.lu@intel.com>
Reviewed-by: Gua Guo <gua.guo@intel.com>
Signed-off-by: KasimX Liu <kasimx.liu@intel.com>
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This library is no longer used or needed, so let's remove it.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Reviewed-by: Ray Ni <ray.ni@intel.com>
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The generic and XCODE5 versions of this library are now identical, so
drop the special case. The library will be removed entirely in a
subsequent patch.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Acked-by: Jiewen Yao <jiewen.yao@intel.com>
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The CPU exception handler library code was rewritten at some point to
populate the vector code templates with absolute references at runtime,
given that the XCODE linker does not permit absolute references in
executable code when creating PIE executables.
This is rather unfortunate, as this prevents us from using strict
permissions on the memory mappings, given that the .text section needs
to be writable at runtime for this arrangement to work.
So let's make this hack XCODE-only, by setting a preprocessor #define
from the command line when using the XCODE toolchain, and only including
the runtime fixup code when the macro is defined.
While at it, rename the Xcode5ExceptionHandlerAsm.nasm source file and
drop the Xcode5 prefix: this code is used by other toolchains too.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Reviewed-by: Ray Ni <ray.ni@intel.com>
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The PEI flavor of CpuExceptionHandlerLib never populates more than 32
IDT vectors, and there is no CET shadow stack support in the PEI phase.
So there is no need to use the generic ExceptionHandler NASM source,
which carries a 256-entry template and CET support, and writes to its
own .text section when built using XCODE, which is not permitted in the
PEI phase. So let's switch to the reduced SEC/PEI version of this
component, which is sufficient for PEI and doesn't suffer from the same
issue.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Reviewed-by: Ray Ni <ray.ni@intel.com>
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Currently, we use the non-Xcode5 version of ExceptionHandlerAsm.nasm
only for the SEC and PEI phases, and this version was not compatible
with the XCODE or LLD linkers, which do not permit absolute relocations
in read-only sections.
Given that SEC and PEI code typically executes in place from flash and
does not use page alignment for sections, we can simply emit the code
carrying the absolute symbol references into the .data segment instead.
This works around the linker's objections, and the resulting image will
be mapped executable in its entirety anyway. Since this is only needed
for XCODE, let's make this change conditionally using a preprocessor
macro.
Let's rename the .nasm file to reflect the fact that is used for the
SecPei flavor of this library only, and while at it, remove some
unnecessary absolute references.
Also update the Xcode specific version of this library, and use this
source file instead. This is necesessary, as the Xcode specific version
modifies its own code at runtime, which is not permitted in SEC or PEI.
Note that this also removes CET support from the Xcode5 specific build
of the SEC/PEI version of this library, but this is not needed this
early in any case, and this aligns it with other toolchains, which use
this version of the library, which does not have CET support either.
1. Change for non-XCODE SecPeiCpuExceptionHandlerLib:
. Use SecPeiExceptionHandlerAsm.nasm (renamed from
ExceptionHandlerAsm.nasm)
. Removed some unnecessary absolute references
(32 IDT stubs are still in .text.)
2. Change for XCODE SecPeiCpuExceptionHandlerLib:
. Use SecPeiExceptionHandlerAsm.nasm instead of
Xcode5ExceptionHandlerAsm.nasm
. CET logic is not in SecPeiExceptionHandlerAsm.nasm (but aligns to
non-XCODE lib instance)
. Fixed a bug that does runtime fixup in TEXT section in SPI flash.
. Emitted the code carrying the absolute symbol references into the
.data which XCODE or LLD linkers allow.
. Then fixup can be done by other build tools such as GenFv if the code
runs in SPI flash, or by PE coff loader if the code is loaded to
memory.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Reviewed-by: Ray Ni <ray.ni@intel.com>
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We rely on PIE executables to get the codegen that is suitable for
PE/COFF conversion where the resulting executables can be loaded
anywhere in the address space.
However, ELF linkers may default to disallowing text relocations in PIE
executables, as this would require text segments to be updated at
runtime, which is bad for security and increases the copy-on-write
footprint of ELF executables and shared libraries.
However, none of those concerns apply to PE/COFF executables in the
context of EFI, which are copied into memory rather than mmap()'ed, and
fixed up by the loader before launch.
So pass -z notext to the LLD linker to permit runtime relocations in
read-only sections.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Reviewed-by: Rebecca Cran <rebecca@bsdio.com>
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Update the antlr makefile to remove the explicit setting of CC to either
clang or gcc. This causes it to use /usr/bin/cc or whatever the user has
set $(CC) to.
This removes the last dependency on gcc for BaseTools.
Signed-off-by: Rebecca Cran <rebecca@bsdio.com>
Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
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The clang toolchain might default to fPIE/fPIC, which prevents
lld from linking the objects into a binary.
Specify -fno-pie -fno-pic as done on GCC to fix linking.
Test:
Building the Universal Payload using the command
'python UefiPayloadPkg/UniversalPayloadBuild.py -a IA32' actually
works.
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Reviewed-by: Rebecca Cran <rebecca@bsdio.com>
Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=4356
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clang 17 defaults to C++17, where the 'register' keyword is deprecated
and the warning changed to an error. To avoid build errors, compile
against C++14 by specifying '-std=c++14' in CXXFLAGS.
Signed-off-by: Rebecca Cran <rebecca@quicinc.com>
Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
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In https://bugzilla.tianocore.org/show_bug.cgi?id=2842 clang support was
added by having users specify "make CXX=llvm" when building BaseTools.
The Makefile then sees that and sets CC=$(CLANG_BIN)clang and
CXX=$(CLANG_BIN)clang++. That requires that the executables 'clang' and
'clang++' exist and for example aren't named 'clang-17' and
'clang++-17'. Also, it's an unusual way of specifying the compiler,
since many users will expect to be able to override CC and CXX on the
make command line.
Rework the BaseTools Makefiles removing the 'BUILD_' prefix (BUILD_CC
and BUILD_CXX) and using the standard name 'LDFLAGS' instead of
'LFLAGS'. This allows clang to be used by running
'make -C BaseTools CC=clang CXX=clang++'.
Signed-off-by: Rebecca Cran <rebecca@quicinc.com>
Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
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In https://bugzilla.tianocore.org/show_bug.cgi?id=2842 clang support was
added by having users specify "make CXX=llvm" when building BaseTools.
The Makefile then sees that and sets CC=$(CLANG_BIN)clang and
CXX=$(CLANG_BIN)clang++. That requires that the executables 'clang' and
'clang++' exist and for example aren't named 'clang-17' and
'clang++-17'. Also, it's an unusual way of specifying the compiler,
since many users will expect to be able to override CC and CXX on the
make command line.
Rework the BaseTools Makefiles removing the 'BUILD_' prefix (BUILD_CC
and BUILD_CXX) and using the standard name 'LDFLAGS' instead of
'LFLAGS'. This allows clang to be used by running
'make -C BaseTools CC=clang CXX=clang++'.
Signed-off-by: Rebecca Cran <rebecca@quicinc.com>
Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
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Bump the version of edk2-basetools in pip-requirements.txt to 0.1.43.
This version contains the update to generate makefiles with both
CFLAGS and BUILD_CFLAGS.
Signed-off-by: Rebecca Cran <rebecca@bsdio.com>
Reviewed-by: Michael D Kinney <michael.d.kinney@intel.com>
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