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| author | Alessandro Gatti <a.gatti@frob.it> | 2024-06-23 08:18:04 +0200 |
|---|---|---|
| committer | Damien George <damien@micropython.org> | 2024-12-23 10:02:20 +1100 |
| commit | 6760e00817ff6cb449134418411850fc577d0f9c (patch) | |
| tree | c5d618a92a6504a48c58a8c5517387bf03a0c669 /py | |
| parent | 136058496f05b4b2ab5e63829b301671dc8b9a59 (diff) | |
| download | micropython-6760e00817ff6cb449134418411850fc577d0f9c.tar.gz micropython-6760e00817ff6cb449134418411850fc577d0f9c.zip | |
tools/mpy_ld.py: Add native modules support for RV32 code.
This commit adds support for RV32IMC native modules, as in embedding native
code into a self-contained MPY module and and make its exported functions
available to the MicroPython environment.
Signed-off-by: Alessandro Gatti <a.gatti@frob.it>
Diffstat (limited to 'py')
| -rw-r--r-- | py/dynruntime.mk | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/py/dynruntime.mk b/py/dynruntime.mk index 62db43ad14..71679954ea 100644 --- a/py/dynruntime.mk +++ b/py/dynruntime.mk @@ -99,6 +99,22 @@ CROSS = xtensa-esp32-elf- CFLAGS += MICROPY_FLOAT_IMPL ?= float +else ifeq ($(ARCH),rv32imc) + +# rv32imc +CROSS = riscv64-unknown-elf- +CFLAGS += -march=rv32imac -mabi=ilp32 -mno-relax +# If Picolibc is available then select it explicitly. Ubuntu 22.04 ships its +# bare metal RISC-V toolchain with Picolibc rather than Newlib, and the default +# is "nosys" so a value must be provided. To avoid having per-distro +# workarounds, always select Picolibc if available. +PICOLIBC_SPECS = $(shell $(CROSS)gcc --print-file-name=picolibc.specs) +ifneq ($(PICOLIBC_SPECS),picolibc.specs) +CFLAGS += --specs=$(PICOLIBC_SPECS) +endif + +MICROPY_FLOAT_IMPL ?= none + else $(error architecture '$(ARCH)' not supported) endif |