FreeRTOS-Kernel

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History

Gaurav Aggarwal 79704b8213 Remove local stack variable form MPU wrappers It was possible for a third party that had already independently gained the ability to execute injected code to achieve further privilege escalation by branching directly inside a FreeRTOS MPU API wrapper function with a manually crafted stack frame. This commit removes the local stack variable `xRunningPrivileged` so that a manually crafted stack frame cannot be used for privilege escalation by branching directly inside a FreeRTOS MPU API wrapper. We thank Certibit Consulting, LLC, Huazhong University of Science and Technology and the SecLab team at Northeastern University for reporting this issue. Signed-off-by: Gaurav Aggarwal <aggarg@amazon.com>		2 years ago
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ARMClang	Re-sync with upstream and stripping away none kernel related.	5 years ago
ARMv8M	M85 support (#556 )	2 years ago
BCC/16BitDOS	Normalize files with mixed line endings (introduced in commit `3a413d1`)	4 years ago
CCS	fix typo (#399 )	3 years ago
CodeWarrior	Normalize files with mixed line endings (introduced in commit `3a413d1`)	4 years ago
Common	Remove local stack variable form MPU wrappers	2 years ago
GCC	Remove local stack variable form MPU wrappers	2 years ago
IAR	Remove local stack variable form MPU wrappers	2 years ago
Keil	Re-sync with upstream and stripping away none kernel related.	5 years ago
MPLAB	Add atomic flag for 16-bit ticks PIC24 (#488 )	3 years ago
MSVC-MingW	Normalize files with mixed line endings (introduced in commit `3a413d1`)	4 years ago
MemMang	[Fix] Type for pointers operations (#550 )	3 years ago
MikroC/ARM_CM4F	fix typo (#399 )	3 years ago
Paradigm/Tern_EE	Normalize files with mixed line endings (introduced in commit `3a413d1`)	4 years ago
RVDS	Remove local stack variable form MPU wrappers	2 years ago
Renesas	Normalize files with mixed line endings (introduced in commit `3a413d1`)	4 years ago
Rowley	Normalize files with mixed line endings (introduced in commit `3a413d1`)	4 years ago
SDCC/Cygnal	Tidy up the 8051 sdcc port (#376 )	4 years ago
Softune	Normalize files with mixed line endings (introduced in commit `3a413d1`)	4 years ago
Tasking/ARM_CM4F	Normalize files with mixed line endings (introduced in commit `3a413d1`)	4 years ago
ThirdParty	portable-RP2040: Fix typo in README.md (#559 )	2 years ago
WizC/PIC18	Normalize files with mixed line endings (introduced in commit `3a413d1`)	4 years ago
oWatcom/16BitDOS	Normalize files with mixed line endings (introduced in commit `3a413d1`)	4 years ago
CMakeLists.txt	Update CMakeLists.txt for Cortex-M55 and Cortex-M85 ports (#560 )	2 years ago
readme.txt	Style: Change FreeRTOS websites in comments (#131 )	5 years ago

readme.txt

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Each real time kernel port consists of three files that contain the core kernel
components and are common to every port, and one or more files that are
specific to a particular microcontroller and/or compiler.


+ The FreeRTOS/Source/Portable/MemMang directory contains the five sample
memory allocators as described on the https://www.FreeRTOS.org WEB site.

+ The other directories each contain files specific to a particular
microcontroller or compiler, where the directory name denotes the compiler
specific files the directory contains.



For example, if you are interested in the [compiler] port for the [architecture]
microcontroller, then the port specific files are contained in
FreeRTOS/Source/Portable/[compiler]/[architecture] directory.  If this is the
only port you are interested in then all the other directories can be
ignored.

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readme.txt

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