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In some VS22 versions, these code patterns (assiging the scalar in
a loop) have been found to be converted into calls to the `memcpy`
intrinsic. This change updates them to use CopyMem to avoid the
potential error.
Previous:
- MSVC version: 14.31.31103
New:
- MSVC version: 14.32.31326
Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com>
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All debug prints should end in a newline character.
Signed-off-by: Benjamin Doron <benjamin.doron00@gmail.com>
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Replace traditional `#ifndef`/`#define`/`#endif` include guards with
`#pragma` once.
`#pragma once` is a widely supported preprocessor directive that
prevents header files from being included multiple times. It is
supported by all toolchains used to build edk2: GCC, Clang/LLVM, and
MSVC.
Compared to macro-based include guards, `#pragma once`:
- Eliminates the risk of macro name collisions or copy/paste errors
where two headers inadvertently use the same guard macro.
- Eliminate inconsistency in the way include guard macros are named
(e.g., some files use `__FILE_H__`, others use `FILE_H_`, etc.).
- Reduces boilerplate (three lines replaced by one).
- Avoids polluting the macro namespace with guard symbols.
- Can improve build times as the preprocessor can skip re-opening the
file entirely, rather than re-reading it to find the matching
`#endif` ("multiple-include optimization").
- Note that some compilers may already optimize traditional include
guards, by recognzining the idiomatic pattern.
This change is made acknowledging that overall portability of the
code will technically be reduced, as `#pragma once` is not part of the
C/C++ standards.
However, this is considered acceptable given:
1. edk2 already defines a subset of supported compilers in
BaseTools/Conf/tools_def.template, all of which have supported
`#pragma once` for over two decades.
2. There have been concerns raised to the project about inconsistent
include guard naming and potential macro collisions.
Approximate compiler support dates:
- MSVC: Supported since Visual C++ 4.2 (1996)
- GCC: Supported since 3.4 (2004)
(http://gnu.ist.utl.pt/software/gcc/gcc-3.4/changes.html)
- Clang (LLVM based): Since initial release in 2007
Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com>
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This commit removes an wrong goto statement which may cause DXE_ASSERT!
`ConfigRequest` example: `&NameValueVar0&NameValueVar1&NameValueVar2`.
When `*Progress` is `&NameValueVar2`, code will run to `goto Done;`,
then return NULL.
Signed-off-by: Yang Gang <yanggang@byosoft.com.cn>
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11686, 11687, 11688, 11689 included some inverted conditionals
during the refactor. While the system booted, some behavior
was incorrect based on the inverted conditionals.
Signed-off-by: Aaron Pop <aaronpop@microsoft.com>
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Address the build regressions, introduced in #11724, #11688, #11686 #11685.
These build regressions are for uninitialized variables before use.
Signed-off-by: Aaron Pop <aaronpop@microsoft.com>
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https://github.com/github/codeql/blob/codeql-cli-2.7.3/cpp/ql/src/Critical/MissingNullTest.qhelp
For items which allocate memory, or get a pointer from another
structure, it is important to validate that the pointers
are not null before they are dereferenced.
Signed-off-by: Aaron Pop <aaronpop@microsoft.com>
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Signed-off-by: Philipp Schuster <philipp.schuster@cyberus-technology.de>
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TempBuffer variable is only dynamically allocated when the opcode is
EFI_IFR_STRING_OP and the string value is not 0, so it should be freed
under the same condition. Otherwise, the variable may be unexpected
freed.
Signed-off-by: Qihang Gao <gaoqihang@loongson.cn>
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If string default is set to zero in vfr file and VfrCompile may not
found the invalid operation, assert is trigged. This patch will check
whether StringId is 0 to avoid assert.
Cc: Chao Li <lichao@loongson.cn>
Signed-off-by: Gao Qihang <gaoqihang@loongson.cn>
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The Universal Graphics Adapter (UGA) is a graphic abstraction.
The UGA I/O and Draw protocols are deprecated since UEFI 2.0 was
introduced. Cf. the UEFI spec v2.9:
"Appendix L - EFI 1.10 Protocol Changes and Deprecation List"
section L.2 "Deprecated Protocols"
Remove the UGA support.
Signed-off-by: GuoMinJ <newexplorerj@gmail.com>
Signed-off-by: Pierre Gondois <pierre.gondois@arm.com>
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Issue : When user access "Boot Maintenance Manager Menu/Secure Boot
Configuration Menu" with PcdNullPointerDetectionPropertyMask|0x03 and
PcdHeapGuardPageType|0x7FFF protection policy set,
we get X64 Exception Type - 0E(#PF - Page-Fault)
Root cause : When user access "Boot Maintenance Manager Menu/Secure Boot
Configuration Menu", BIOS calls FindQuestionDefaultSetting function and
send EFI VarStore header pointer to AuthFindVariableData function.
When header pointer is NULL, it send NULL pointer to AuthFindVariableData
function and causes the page fault.
Fix : Database.c: In function FindQuestionDefaultSetting, added
NULL pointers check, so that when EFI VarStore header argument is passed
to AuthFindVariableData function, NULL pointer access will not happen.
Test: Cross verified while accessing the "Boot Maintenance Manager Menu/
Secure Boot Configuration Menu" page.
Signed-off-by: DeepakX Singh <deepakx.singh@intel.com>
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The BlockSize calculation was missing the 0 terminator which caused the
string block to shrink by 1 every time the string was processed.
Therefore causing memory corruptions, because the string took more
memory space as was allocated for the string block therefore corrupting
the memory pool at the end (which caused an ASSERT upon trying to free
it).
Signed-off-by: Maximilian Brune <maximilian.brune@9elements.com>
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Prevent an issue where `memcpy()` instrinsic is being used after
recent MSVC linker update in windows-2022 VM image from 14.31.31103
to 14.32.31326.
Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com>
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Remove efivarstore IFR buffer error when string load default.
In the case of varstore type IFR, it will be NULL,
just break into next opcode process.
Resolve issue from commit cbe8a09dbac5c39d24ce5c4b9e7d44607f6c23da
varstore type IFR string might return status error
while execute ExtractConfig function.
Signed-off-by: Longhao Lee <longhaox.lee@intel.com>
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Add string question load default support.
load default data from PCD PcdNvStoreDefaultValueBuffer.
Signed-off-by: Longhao Lee <longhaox.lee@intel.com>
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REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4874
Question CheckBox, OneOf and Numeric can refer to Bit EFI VarStore.
CheckBox: data type is Boolean (1 byte),
Numeric/Oneof: data type is always UNIT32 for BIT VarStore,
When get default value for BIT VarStore, should return default value
with sizeof (UINT32) rather than the byte the bit width occupied.
Or incorrect default value will be used due to the size mismatch.
Signed-off-by: Dandan Bi <dandan.bi@intel.com>
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storage data format
REF:https://bugzilla.tianocore.org/show_bug.cgi?id=4857
NVS needs to support both authenticated and non-authenticated
header for NV region. PcdNvStoreDefaultValueBuffer can have
variables with data format of the type Authenticated variable storage
and this change provides the support to differentiate between
the normal variable storage and authenticated variable storage
for the hii database to consume and update the setup variables
accordingly
Signed-off-by: nikhil p sheshagiri <nikhil.p.sheshagiri@intel.com>
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It is legal for the VarStoreId of a question to
be 0 per the UEFI spec:
"Specifies the identifier of a previously
declared variable store to use when storing the
question’s value. A value of zero indicates
no associated variable store."
Instead of hitting an assert just skip this
question as there is no value to return.
Signed-off-by: Jeff Brasen <jbrasen@nvidia.com>
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Struct assignments are not permitted in EDK2, as they may be converted
by the compiler into calls to the 'memcpy' intrinsic, which is not
guaranteed to be available in EDK2.
So replace the assignment with a call to CopyMem (), and -while at it-
replace the loop with a single CopyMem () call, as the loop operates on
items that are contiguous in memory.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
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The immediately preceding call, GetBestLanguage, plus the implementation of
HiiGetString, which is called immediately afterwards, make it clear that
BestLanguage is a null-terminated ASCII string, and not just a five byte,
non-null terminated buffer.
Therefore AsciiStrLen is one byte too short, meaning that whether the space
allocated is really sufficient and whether the resultant string is really
null-terminated becomes implementation-dependent. Rather than switching to
AsciiStrSize, we use an explicitly compile-time string length calculation
(both compile-time and run-time approaches are currently used elsewhere in
the codebase for copying static strings).
Signed-off-by: Mike Beaton <mjsbeaton@gmail.com>
Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
Reviewed-by: Dandan Bi <dandan.bi@intel.com>
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Fixes CodeQL alerts for CWE-457:
https://cwe.mitre.org/data/definitions/457.html
Cc: Dandan Bi <dandan.bi@intel.com>
Cc: Eric Dong <eric.dong@intel.com>
Cc: Erich McMillan <emcmillan@microsoft.com>
Cc: Guomin Jiang <guomin.jiang@intel.com>
Cc: Jian J Wang <jian.j.wang@intel.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Cc: Michael Kubacki <mikuback@linux.microsoft.com>
Cc: Ray Ni <ray.ni@intel.com>
Cc: Zhichao Gao <zhichao.gao@intel.com>
Co-authored-by: Erich McMillan <emcmillan@microsoft.com>
Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com>
Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
Reviewed-by: Oliver Smith-Denny <osd@smith-denny.com>
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When default/manufacturing flag get removed from numeric varid, it can't
get default value from StructurePcd in 'UpdateDefaultSettingInFormPackage'
function since there is no EFI_IFR_DEFAULT_OP opcode in IFR file. Add a
chance to get numeric default value from StructurePcd in the case that
numeric minimum value will be used as default value.
Signed-off-by: Chen Lin Z <lin.z.chen@intel.com>
Signed-off-by: Dandan Bi <dandan.bi@intel.com>
Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
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REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3737
Apply uncrustify changes to .c/.h files in the MdeModulePkg package
Cc: Andrew Fish <afish@apple.com>
Cc: Leif Lindholm <leif@nuviainc.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Signed-off-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=3760
Update all use of ', OPTIONAL' to ' OPTIONAL,' for function params.
Cc: Andrew Fish <afish@apple.com>
Cc: Leif Lindholm <leif@nuviainc.com>
Cc: Michael Kubacki <michael.kubacki@microsoft.com>
Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com>
Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
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REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3739
Update all use of EFI_D_* defines in DEBUG() macros to DEBUG_* defines.
Cc: Andrew Fish <afish@apple.com>
Cc: Leif Lindholm <leif@nuviainc.com>
Cc: Michael Kubacki <michael.kubacki@microsoft.com>
Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com>
Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
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As the if statement outside has confirmed that
BlockData->Name == NULL, so the if statement inside
is always false.
Cc: Jian J Wang <jian.j.wang@intel.com>
Cc: Hao A Wu <hao.a.wu@intel.com>
Cc: Dandan Bi <dandan.bi@intel.com>
Cc: Eric Dong <eric.dong@intel.com>
Signed-off-by: Wenyi Xie <xiewenyi2@huawei.com>
Reviewed-by: Dandan Bi <dandan.bi@intel.com>
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Update function behavior to not modify the incoming string that is
marked as CONST in the prototype.
Signed-off-by: Jeff Brasen <jbrasen@nvidia.com>
Reviewed-by: Dandan Bi <dandan.bi@intel.com>
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REF: https://bugzilla.tianocore.org/show_bug.cgi?id=1611
Cc: Liming Gao <liming.gao@intel.com>
Cc: Eric Dong <eric.dong@intel.com>
Cc: Jian J Wang <jian.j.wang@intel.com>
Signed-off-by: Dandan Bi <dandan.bi@intel.com>
Reviewed-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Jian J Wang <jian.j.wang@intel.com>
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REF: https://bugzilla.tianocore.org/show_bug.cgi?id=1995
Fix the corner case issue that the original configuration runtime
memory is freed, but it is still exposed to the OS runtime.
So this patch is to remove the configuration table to avoid being
used in OS runtime when the configuration runtime memory is freed.
Cc: Liming Gao <liming.gao@intel.com>
Cc: Eric Dong <eric.dong@intel.com>
Cc: Jian J Wang <jian.j.wang@intel.com>
Signed-off-by: Dandan Bi <dandan.bi@intel.com>
Reviewed-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Jian J Wang <jian.j.wang@intel.com>
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The caller of CompareAndMergeDefaultString has checked that
AltCfgResp must contain AltConfigHdr. So we add ASSERT to assume
StringPtr is not NULL.
Cc: Dandan Bi <dandan.bi@intel.com>
Cc: Eric Dong <eric.dong@intel.com>
Signed-off-by: Shenglei Zhang <shenglei.zhang@intel.com>
Reviewed-by: Dandan Bi <dandan.bi@intel.com>
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Foreground and background color are saved in a single byte.
Bits 0..3 are the foreground color and bits 4..6 are the background color.
If the Private->Attribute defined correctly, (Private->Attribute >> 4)
must be less than 8.
This commit uses ASSERT to assume "Attribute >> 4" is less than 8.
Cc: Dandan Bi <dandan.bi@intel.com>
Cc: Eric Dong <eric.dong@intel.com>
Signed-off-by: Shenglei Zhang <shenglei.zhang@intel.com>
Reviewed-by: Dandan Bi <dandan.bi@intel.com>
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REF: https://bugzilla.tianocore.org/show_bug.cgi?id=1597
Currently RTData are allocated at/after ReadyToBoot to store the
contents in HiiDatabase and the HII configurations for OS runtime
utilization.
Some platforms may meet S4 resume issue since the allocation after
ReadyToBoot cause memory map change.
Now this patch is to do some overallocation to minimize the number
of memory allocations after ReadyToBoot and also add warning
message when do allocation after ReadyToBoot.
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Cc: Eric Dong <eric.dong@intel.com>
Signed-off-by: Dandan Bi <dandan.bi@intel.com>
Reviewed-by: Michael D Kinney <michael.d.kinney@intel.com>
Reviewed-by: Eric Dong <eric.dong@intel.com>
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REF: https://bugzilla.tianocore.org/show_bug.cgi?id=1652
Commit ffe5f7a6b4e9
"MdeModulePkg/HiiDatabase: Fix potential integer overflow "
added some new error paths, but it missed releasing the
mHiiDatabaseLock lock on those paths.
This patch releases mHiiDatabaseLock on those paths.
Cc: Hao Wu <hao.a.wu@intel.com>
Cc: Ray Ni <ray.ni@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Signed-off-by: Dandan Bi <dandan.bi@intel.com>
Reviewed-by: Hao Wu <hao.a.wu@intel.com>
(cherry picked from commit 927c516f9557f2f36319fe5d2508af29e3375fb8)
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https://bugzilla.tianocore.org/show_bug.cgi?id=1373
Replace BSD 2-Clause License with BSD+Patent License. This change is
based on the following emails:
https://lists.01.org/pipermail/edk2-devel/2019-February/036260.html
https://lists.01.org/pipermail/edk2-devel/2018-October/030385.html
RFCs with detailed process for the license change:
V3: https://lists.01.org/pipermail/edk2-devel/2019-March/038116.html
V2: https://lists.01.org/pipermail/edk2-devel/2019-March/037669.html
V1: https://lists.01.org/pipermail/edk2-devel/2019-March/037500.html
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com>
Reviewed-by: Hao Wu <hao.a.wu@intel.com>
Reviewed-by: Jian J Wang <jian.j.wang@intel.com>
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(CVE-2018-12181)
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=1135
For 4bit BMP, there are only 2^4 = 16 colors in the palette.
But when a corrupted BMP contains more than 16 colors in the palette,
today's implementation wrongly copies all colors to the local
PaletteValue[16] array which causes stack overflow.
The similar issue also exists in the logic to handle 8bit BMP.
The patch fixes the issue by only copies the first 16 or 256 colors
in the palette depending on the BMP type.
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Ray Ni <ray.ni@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Cc: Jiewen Yao <jiewen.yao@intel.com>
Reviewed-by: Jian J Wang <jian.j.wang@intel.com>
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REF: https://bugzilla.tianocore.org/show_bug.cgi?id=1135
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Ray Ni <ray.ni@intel.com>
Cc: Dandan Bi <dandan.bi@intel.com>
Cc: Hao A Wu <hao.a.wu@intel.com>
Reviewed-by: Hao Wu <hao.a.wu@intel.com>
Reviewed-by: Jian J Wang <jian.j.wang@intel.com>
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REF: https://bugzilla.tianocore.org/show_bug.cgi?id=1235
When update contents in HiiDatabase, like:
1. Add/update/remove package list
2. Add/update string
3. Add/update image
We should make these operations atomic to prevent the
potential issue that the one update operation with
higher TPL may interrupt another.
This commit is to make the HiiDatabase update behaviors
atomic by adding EfiAcquireLock/EfiReleaseLock function.
Cc: Liming Gao <liming.gao@intel.com>
Cc: Eric Dong <eric.dong@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Dandan Bi <dandan.bi@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
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REF: https://bugzilla.tianocore.org/show_bug.cgi?id=1235
Function "HiiGetConfigurationSetting" may be called
when HiiDatabase contents have been updated.
And it is just to call function "HiiGetDatabaseInfo" to
get the contents in HiiDatabase and call function
"HiiGetConfigRespInfo" and get the configuration response
string form HII drivers.
So here we can remove function "HiiGetConfigurationSetting"
and make caller to call "HiiGetDatabaseInfo" and
"HiiGetConfigRespInfo" directly.
And thus it also can distinguish which code blocks are to
operate HiiDatabase contents and which code blocks are not.
Then it's easy to know which code blocks should be atomic
when updating HiiDatabase contents.
Cc: Liming Gao <liming.gao@intel.com>
Cc: Eric Dong <eric.dong@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Dandan Bi <dandan.bi@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
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REF: https://bugzilla.tianocore.org/show_bug.cgi?id=1224
When covert IFR binary to EFI_IFR_CHECKBOX structure,
Current code has following incorrect code logic:
IfrCheckBox = (EFI_IFR_CHECKBOX *) (IfrOpHdr + 1);
The correct one should be:
IfrCheckBox = (EFI_IFR_CHECKBOX *) IfrOpHdr;
1. The bug is in function "UpdateDefaultSettingInFormPackage()"
which is to update the default setting of some HII Questions
in the IFR binary data. So it only has impact when platform
overrides default setting in HII VarStore through DynamicHii
PCD setting in Platform DSC file. If platform doesn't
override default setting, it has no impact.
2. The implementation updates the "Flags" filed in the
EFI_IFR_CHECKBOX structure to update the default
setting of checkbox.
If using "IfrCheckBox = (EFI_IFR_CHECKBOX *) (IfrOpHdr + 1);"
when wants to update the " Flags" filed in checkbox,
but in fact it will update the opcode binary
data(opcode binary length) behind checkbox binary.
And then it will cause Browser can't parse the IFR
binary data correctly. And then the possible symptom
is that some HII Question and forms may be not parsed
and then cannot be shown.
This patch is to fix this bug.
Cc: Liming Gao <liming.gao@intel.com>
Cc: Star Zeng <star.zeng@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Dandan Bi <dandan.bi@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
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Removing rules for Ipf sources file:
* Remove the source file which path with "ipf" and also listed in
[Sources.IPF] section of INF file.
* Remove the source file which listed in [Components.IPF] section
of DSC file and not listed in any other [Components] section.
* Remove the embedded Ipf code for MDE_CPU_IPF.
Removing rules for Inf file:
* Remove IPF from VALID_ARCHITECTURES comments.
* Remove DXE_SAL_DRIVER from LIBRARY_CLASS in [Defines] section.
* Remove the INF which only listed in [Components.IPF] section in DSC.
* Remove statements from [BuildOptions] that provide IPF specific flags.
* Remove any IPF sepcific sections.
Removing rules for Dec file:
* Remove [Includes.IPF] section from Dec.
Removing rules for Dsc file:
* Remove IPF from SUPPORTED_ARCHITECTURES in [Defines] section of DSC.
* Remove any IPF specific sections.
* Remove statements from [BuildOptions] that provide IPF specific flags.
Cc: Star Zeng <star.zeng@intel.com>
Cc: Eric Dong <eric.dong@intel.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Chen A Chen <chen.a.chen@intel.com>
Reviewed-by: Star Zeng <star.zeng@intel.com>
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The function GetStorageWidth that is never called
has been removed.
https://bugzilla.tianocore.org/show_bug.cgi?id=1062
Cc: Star Zeng <star.zeng@intel.com>
Cc: Eric Dong <eric.dong@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: shenglei <shenglei.zhang@intel.com>
Reviewed-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Eric Dong <eric.dong@intel.com>
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1. Do not use tab characters
2. No trailing white space in one line
3. All files must end with CRLF
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Liming Gao <liming.gao@intel.com>
Reviewed-by: Star Zeng <star.zeng@intel.com>
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Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Liming Gao <liming.gao@intel.com>
Reviewed-by: Star Zeng <star.zeng@intel.com>
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This change is the additional fix of commit
14b351e2ed8586f144dd3cd2e0a25082c1a32837.
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Liming Gao <liming.gao@intel.com>
Cc: Star Zeng <star.zeng@intel.com>
Reviewed-by: Star Zeng <star.zeng@intel.com>
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Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Liming Gao <liming.gao@intel.com>
Cc: Star Zeng <star.zeng@intel.com>
Reviewed-by: Star Zeng <star.zeng@intel.com>
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Make VS2012x86 and GCC48 pass build
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Liming Gao <liming.gao@intel.com>
Reviewed-by: Eric Dong <eric.dong@intel.com>
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https://bugzilla.tianocore.org/show_bug.cgi?id=611
Update HiiDataBase to retrieve the default setting and patch IFR data
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Liming Gao <liming.gao@intel.com>
Signed-off-by: Dandan Bi <dandan.bi@intel.com>
Reviewed-by: Star Zeng <star.zeng@intel.com>
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AllocateCopyPool(AllocationSize, *Buffer) will copy "AllocationSize" bytes of
memory from old "Buffer" to new allocated one. If "AllocationSize" is bigger
than size of "Buffer", heap memory overflow occurs during copy.
One solution is to allocate pool first then copy the necessary bytes to new
memory. Another is using ReallocatePool instead if old buffer will be freed
on spot.
Cc: Star Zeng <star.zeng@intel.com>
Cc: Eric Dong <eric.dong@intel.com>
Cc: Bi Dandan <dandan.bi@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Jian J Wang <jian.j.wang@intel.com>
Reviewed-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Bi Dandan <dandan.bi@intel.com>
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REF:https://bugzilla.tianocore.org/show_bug.cgi?id=545
For oneof/numeric/checkbox, their storage may be bit field.
When generating <ConfigAltResp> string to get default value
for these questions, we need to parse the Ifr data to get
the bit Varstore info,and then generating the correct
<ConfigAltResp> string.
Cc: Eric Dong <eric.dong@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Dandan Bi <dandan.bi@intel.com>
Reviewed-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
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