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72bb476bf3
The application writer needs to name their IRQ handler as: 1. vApplicationIRQHandler if the IRQ handler does not use FPU registers. 2. vApplicationFPUSafeIRQHandler is the IRQ handler uses FPU registers. When the application uses vApplicationFPUSafeIRQHandler, a default implementation of vApplicationIRQHandler is used which stores FPU registers and then calls vApplicationFPUSafeIRQHandler. Note that recent versions of GCC may use FP/SIMD registers to optimize 16-bytes copy and especially when using va_start()/va_arg() functions (e.g printing some thing in IRQ handlers may trigger usage of FPU registers) This implementation is heavily inspired by both the ARM_CA9 port and the ARM_CRx_No_GIC port done in [1] [1] https://github.com/FreeRTOS/FreeRTOS-Kernel/pull/1113 Signed-off-by: Marouen Ghodhbane <marouen.ghodhbane@nxp.com> |
1 month ago | |
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| .. | ||
| ARMClang | 2 years ago | |
| ARMv8M | 1 month ago | |
| BCC/16BitDOS | 1 year ago | |
| CCRH/F1Kx | 2 months ago | |
| CCS | 4 months ago | |
| CodeWarrior | 1 year ago | |
| Common | 1 month ago | |
| GCC | 1 month ago | |
| IAR | 1 month ago | |
| Keil | 2 years ago | |
| MPLAB | 4 months ago | |
| MSVC-MingW | 2 months ago | |
| MemMang | 4 months ago | |
| MikroC/ARM_CM4F | 4 months ago | |
| Paradigm/Tern_EE | 1 year ago | |
| RVDS | 4 months ago | |
| Renesas | 4 months ago | |
| Rowley | 1 year ago | |
| SDCC/Cygnal | 1 year ago | |
| Softune | 1 year ago | |
| Tasking/ARM_CM4F | 1 year ago | |
| ThirdParty | 1 month ago | |
| WizC/PIC18 | 4 months ago | |
| oWatcom/16BitDOS | 4 months ago | |
| template | 2 months ago | |
| CMakeLists.txt | 3 months ago | |
| readme.txt | 2 years ago | |
readme.txt
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.