forked from epagris/FreeRTOS-Kernel
55eceb2203
* Add configUSE_TASK_FPU_SUPPORT to AARCH64 port NEON SIMD is required by standard AARCH64 and its registers are frequently utilized by standard functions such as memcpy(). This means that even simple tasks that do not use any floating point arithmetics may still alter the contents of the FPU registers. For this reason it makes sense to add support for configUSE_TASK_FPU_SUPPORT to be able to enforce FPU register saving and restoring globally. The implementation was largely adopted from the ARM_CA9 port. However, the FPU registers must be placed on the stack before the critical nesting count to match the AARCH64 portASM.S.
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.