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1d59f65007
Adds RV32E support to the IAR port. This is done by reducing our register usage to the first 16 registers only. Influenced by changes in https://github.com/FreeRTOS/FreeRTOS-Kernel/pull/543 Signed-off-by: Gaurav Aggarwal <aggarg@amazon.com> Co-authored-by: Gaurav Aggarwal <aggarg@amazon.com> |
2 years ago | |
|---|---|---|
| .. | ||
| chip_specific_extensions | 4 years ago | |
| Documentation.url | 5 years ago | |
| port.c | 2 years ago | |
| portASM.s | 2 years ago | |
| portContext.h | 2 years ago | |
| portmacro.h | 2 years ago | |
| readme.txt | 5 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 * */