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37678b0656
* Support configurable RISC-V chip extension Added the FREERTOS_RISCV_EXTENSION option to allow the user to select which chip extension they want included. Removed the port for pulpino to instead use the new option. * Add port GCC_RISC_V_GENERIC and IAR_RISC_V_GENERIC * Add two rics-v generic ports to support FREERTOS_RISCV_EXTENSION config --------- Co-authored-by: Joe Benczarski <jbenczarski@trijicon.com> Co-authored-by: chinglee-iot <61685396+chinglee-iot@users.noreply.github.com> Co-authored-by: Ching-Hsin Lee <chinglee@amazon.com> Co-authored-by: kar-rahul-aws <118818625+kar-rahul-aws@users.noreply.github.com> Co-authored-by: Soren Ptak <ptaksoren@gmail.com> |
1 year ago | |
|---|---|---|
| .. | ||
| chip_specific_extensions | 1 year ago | |
| Documentation.url | 2 years ago | |
| chip_extensions.cmake | 1 year ago | |
| port.c | 1 year ago | |
| portASM.s | 2 years ago | |
| portContext.h | 1 year ago | |
| portmacro.h | 1 year ago | |
| readme.txt | 2 years ago | |
readme.txt
/* * The FreeRTOS kernel's RISC-V port is split between the the code that is * common across all currently supported RISC-V chips (implementations of the * RISC-V ISA), and code that tailors the port to a specific RISC-V chip: * * + FreeRTOS\Source\portable\GCC\RISC-V-RV32\portASM.S contains the code that * is common to all currently supported RISC-V chips. There is only one * portASM.S file because the same file is built for all RISC-V target chips. * * + Header files called freertos_risc_v_chip_specific_extensions.h contain the * code that tailors the FreeRTOS kernel's RISC-V port to a specific RISC-V * chip. There are multiple freertos_risc_v_chip_specific_extensions.h files * as there are multiple RISC-V chip implementations. * * !!!NOTE!!! * TAKE CARE TO INCLUDE THE CORRECT freertos_risc_v_chip_specific_extensions.h * HEADER FILE FOR THE CHIP IN USE. This is done using the assembler's (not the * compiler's!) include path. For example, if the chip in use includes a core * local interrupter (CLINT) and does not include any chip specific register * extensions then add the path below to the assembler's include path: * FreeRTOS\Source\portable\GCC\RISC-V-RV32\chip_specific_extensions\RV32I_CLINT_no_extensions * */