https://bugzilla.tianocore.org/show_bug.cgi?id=798
SafeIntLib provides helper functions to prevent integer overflow
during type conversion, addition, subtraction, and multiplication.
Conversion Functions
====================
* Converting from a signed type to an unsigned type of the same
size, or vice-versa.
* Converting to a smaller type that could possibly overflow.
* Converting from a signed type to a larger unsigned type.
Unsigned Addition, Subtraction, Multiplication
===============================================
* Unsigned integer math functions protect from overflow and
underflow (in case of subtraction).
Signed Addition, Subtraction, Multiplication
============================================
* Strongly consider using unsigned numbers.
* Signed numbers are often used where unsigned numbers should
be used. For example file sizes and array indices should always
be unsigned. Subtracting a larger positive signed number from a
smaller positive signed number with SafeInt32Sub() will succeed,
producing a negative number, that then must not be used as an
array index (but can occasionally be used as a pointer index.)
Similarly for adding a larger magnitude negative number to a
smaller magnitude positive number.
* SafeIntLib does not protect you from such errors. It tells you
if your integer operations overflowed, not if you are doing the
right thing with your non-overflowed integers.
* Likewise you can overflow a buffer with a non-overflowed
unsigned index.
Based on content from the following branch/commits:
https://github.com/Microsoft/MS_UEFI/tree/share/MsCapsuleSupport21ef3a321cca516b1a6133bab4031a
Cc: Sean Brogan <sean.brogan@microsoft.com>
Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com>
Reviewed-by: Sean Brogan <sean.brogan@microsoft.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
UEFI2.7/PI1.6 have been added in MdePkg. Update DEC and DSC version to
reflect those changes in MdePkg.
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Liming Gao <liming.gao@intel.com>
This commit adds header files for the SPI protocols introduced in the
UEFI PI 1.6 specification, as well as their GUIDs to MdePkg.dec.
EFI_SPI_TRANSACTION_TYPE assumes an enum with its members ordered the
way they are listed in the specification, as there are no values given
explicitely.
EFI_LEGACY_SPI_CONTROLLER_GUID assumes the character 'l' used in the
specification was meant to be '1'.
V2:
- Fixed LegacySpiFlash.h's header guard.
- Fixed LegacySpiSmmController's GUID name.
- Removed EFI_SPI_NOR_FLASH_PROTOCOL_LF_READ_DATA as it's unused.
- Added the missing SpiSmmNorFlash header.
- Fixed all file endings to be CRLF.
- Removed trailing whitespaces.
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Marvin Haeuser <Marvin.Haeuser@outlook.com>
Reviewed-by: Dandan Bi <dandan.bi@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
NVDIMM_LABEL protocol is defined in UEFI 2.7 spec, to provide
services that allow management of labels contained in a Label
Storage Area in NVDIMM.
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
BTT definitions are defined in UEFI spec 2.7, to defines
a layout and set of rules for doing block I/O that provide
powerfail write atomicity of a single block in NVDIMM.
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
In PI 1.5 version, system management mode name(SMM) has been changed
to Management Mode(MM). It impacts the current code which still use
SMM/Smram/SMI keywords. This patch add new definition which use
MM/MmRam/MMI keywords to follow new spec definitions.
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
The patch adds the new library class S3PciSegmentLib to carry out
PCI configuration and enable the PCI operations to be replayed during
an S3 resume. This library class maps directly on top of the
PciSegmentLib class.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
The patch adds PciSegmentInfoLib library class which is used
by PciSegmentLib (commit in next patch) to support multiple
segment PCI configuration access.
BasePciSegmentInfoLibNull instance is added but it shouldn't be
used by any real platform.
Any single segment platform that wants to use PciSegmentLib could
use BasePciSegmentLibPci instance.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
Add definitions for HII Popup Protocol according to UEFI2.7.
Cc: Eric Dong <eric.dong@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Dandan Bi <dandan.bi@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
This PPI is introduced in PI Version 1.5.
Cc: Liming Gao <liming.gao@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
UEFI Spec 2.7 introduces BluetoothAttribute and BluetoothLeConfig
protocols. The patch adds the definitions for them.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
UEFI2.6 have been added in MdePkg. Update DEC and DSC version to
reflect those changes in MdePkg.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Liming Gao <liming.gao@intel.com>
Cc: Jeff Fan <jeff.fan@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jiewen Yao <jiewen.yao@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
Reviewed-by: Jeff Fan <jeff.fan@intel.com>
This library should be linked by SmmChildDispatch to
report the hardware SMI handler maintained by SmmChildDispatch.
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Cc: Laszlo Ersek <lersek@redhat.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jiewen Yao <jiewen.yao@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
This patch is used to add Tls.h and TlsConfig.h header
files to define EFI TLS Configuration Protocol,
EFI TLS Service Binding Protocol and
EFI TLS Configuration Protocol.
Cc: Long Qin <qin.long@intel.com>
Cc: Ye Ting <ting.ye@intel.com>
Cc: Fu Siyuan <siyuan.fu@intel.com>
Cc: Zhang Lubo <lubo.zhang@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Thomas Palmer <thomas.palmer@hpe.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Wu Jiaxin <jiaxin.wu@intel.com>
Reviewed-by: Qin Long <qin.long@intel.com>
Reviewed-by: Fu Siyuan <siyuan.fu@intel.com>
Reviewed-by: Ye Ting <ting.ye@intel.com>
Move Shell/ShellDynamicCommand/ShellParameters definitions from
ShellPkg to MdePkg.
The following patches will rename the header file name.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com>
Reviewed-by: Jaben Carsey <jaben.carsey@intel.com>
Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
PcdUartDefaultReceiveFifoDepth is added to indicate UART default
receive FIFO depth.
Type of UINT16 is enough for FIFO depth.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Heyi Guo <heyi.guo@linaro.org>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>
Add gEfiIa32X64ProcessorErrorSectionGuid and
gEfiArmProcessorErrorSectionGuid to
match the definition in the UEFI 2.6 specification Table 249.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Samer El-Haj-Mahmoud <elhaj@hpe.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
This commit also removes common structure definitions between EFI Wireless
MAC Connection Protocol and EFI Wireless MAC Connection II Protocol from
WiFi.h and place them in WiFi2.h.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Hao Wu <hao.a.wu@intel.com>
Reviewed-by: Ye Ting <ting.ye@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
The BasePostCodeLibPort80 instance just prints UINT8 to IoPort 80. Some boards
may support 16bit or 32bit. To support them, new PCD PcdPort80DataWidth is
introduced to specify the width of data bits to Port80.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Liming Gao <liming.gao@intel.com>
Reviewed-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18765 6f19259b-4bc3-4df7-8a09-765794883524
Add one library class (RngLib.h) with three GetRandomNumber16/32/64
APIs to provide random number generator services, and one library
instance (BaseRngLib), based on Intel RdRand instruction access,
to provide high-quality random numbers generator.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Qin Long <qin.long@intel.com>
Reviewed-by: Michael Kinney <michael.d.kinney@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18519 6f19259b-4bc3-4df7-8a09-765794883524
UEFI2.5 and PI1.4 have been added in MdePkg. Update DEC and DSC version
to reflect those changes in MdePkg.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Liming Gao <liming.gao@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18266 6f19259b-4bc3-4df7-8a09-765794883524
Add a new module MemoryOverwriteRequestControlLock to register VarCheck handler to enforce MorLock Policy.
Only SMM version is added because MOR is only supported in SMM variable case.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: "Yao, Jiewen" <Jiewen.Yao@intel.com>
Reviewed-by: "Chao Zhang" <chao.b.zhang@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18092 6f19259b-4bc3-4df7-8a09-765794883524
Update comment for PcdDefaultTerminalType, as a new terminal type
TTYTERM has been added with type value of 4.
The new type is NOT defined in UEFI SPEC v2.5.
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Heyi Guo <heyi.guo@linaro.org>
Reviewed-by: Liming Gao <liming.gao@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18023 6f19259b-4bc3-4df7-8a09-765794883524
This is a new PPI introduced in PI 1.4 to pass multiple CPU information from
SEC phase to PEI/DXE phases.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jeff Fan <jeff.fan@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17640 6f19259b-4bc3-4df7-8a09-765794883524
Add EFI Capsule Report data structure and GUID. It is defined in UEFI2.4A
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Chao Zhang <chao.b.zhang@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17568 6f19259b-4bc3-4df7-8a09-765794883524
Sean Brogan
Liming Gao
Marvin.Haeuser@outlook.com
Ruiyu Ni
Eric Dong
Dandan Bi
Star Zeng
Hao Wu
Fu Siyuan
Jiewen Yao
Jiaxin Wu
Feng Tian
Heyi Guo
Cecil Sheng
Samer El-Haj-Mahmoud
Qin Long
Jeff Fan
Chao Zhang