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Diffstat (limited to 'nuttx/README.txt')
-rw-r--r-- | nuttx/README.txt | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/nuttx/README.txt b/nuttx/README.txt index 340087791..571f8e04e 100644 --- a/nuttx/README.txt +++ b/nuttx/README.txt @@ -523,8 +523,15 @@ NuttX Buildroot Toolchain Disadvantages: This tool chain is not was well supported as some other toolchains. GNU tools are not my priority and so the buildroot tools - often get behind. For example, the is still no EABI support in the - NuttX buildroot toolchain for ARM. + often get behind. For example, until recently there was no EABI support + in the NuttX buildroot toolchain for ARM. + + NOTE: For Cortex-M3/4, there are OABI and EABI versions of the buildroot + toolchains. If you are using the older OABI toolchain the prefix for + the tools will be arm-nuttx-elf-; for the EABI toolchin the prefix will + be arm-nuttx-eabi-. If you are using the older OABI toolchain with + an ARM Cortex-M3/4, you will need to set CONFIG_ARMV7M_OABI_TOOLCHAIN + in the .config file in order to pick the right tool prefix. SHELLS ^^^^^^ |