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py/dynruntime.mk: Enable single-precision float by default on armv6/7m.

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Soft float now works on these ARM targets thanks to the parent commit.

Signed-off-by: Damien George <damien@micropython.org>
This commit is contained in:
Damien George
2025-05-28 14:28:02 +10:00
parent 718ff4fdd5
commit 17951cee87
3 changed files with 10 additions and 7 deletions
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5
examples/natmod/random/Makefile
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@@ -14,4 +14,9 @@ ifeq ($(ARCH),xtensa)
MPY_EXTERN_SYM_FILE=$(MPY_DIR)/ports/esp8266/boards/eagle.rom.addr.v6.ld MPY_EXTERN_SYM_FILE=$(MPY_DIR)/ports/esp8266/boards/eagle.rom.addr.v6.ld
endif endif
ifeq ($(ARCH),$(filter $(ARCH),armv6m armv7m))
# Link with libm.a for soft-float helper functions
LINK_RUNTIME = 1
endif
include $(MPY_DIR)/py/dynruntime.mk include $(MPY_DIR)/py/dynruntime.mk

4
py/dynruntime.mk
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@@ -63,14 +63,14 @@ else ifeq ($(ARCH),armv6m)
# thumb # thumb
CROSS = arm-none-eabi- CROSS = arm-none-eabi-
CFLAGS_ARCH += -mthumb -mcpu=cortex-m0 CFLAGS_ARCH += -mthumb -mcpu=cortex-m0
MICROPY_FLOAT_IMPL ?= none MICROPY_FLOAT_IMPL ?= float
else ifeq ($(ARCH),armv7m) else ifeq ($(ARCH),armv7m)
# thumb # thumb
CROSS = arm-none-eabi- CROSS = arm-none-eabi-
CFLAGS_ARCH += -mthumb -mcpu=cortex-m3 CFLAGS_ARCH += -mthumb -mcpu=cortex-m3
MICROPY_FLOAT_IMPL ?= none MICROPY_FLOAT_IMPL ?= float
else ifeq ($(ARCH),armv7emsp) else ifeq ($(ARCH),armv7emsp)

8
tools/ci.sh
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@@ -561,13 +561,11 @@ function ci_native_mpy_modules_build {
make -C examples/natmod/$natmod ARCH=$arch make -C examples/natmod/$natmod ARCH=$arch
done done
# features2 requires soft-float on armv7m, rv32imc, and xtensa. On armv6m # features2 requires soft-float on rv32imc and xtensa.
# the compiler generates absolute relocations in the object file
# referencing soft-float functions, which is not supported at the moment.
make -C examples/natmod/features2 ARCH=$arch clean make -C examples/natmod/features2 ARCH=$arch clean
if [ $arch = "rv32imc" ] || [ $arch = "armv7m" ] || [ $arch = "xtensa" ]; then if [ $arch = "rv32imc" ] || [ $arch = "xtensa" ]; then
make -C examples/natmod/features2 ARCH=$arch MICROPY_FLOAT_IMPL=float make -C examples/natmod/features2 ARCH=$arch MICROPY_FLOAT_IMPL=float
elif [ $arch != "armv6m" ]; then else
make -C examples/natmod/features2 ARCH=$arch make -C examples/natmod/features2 ARCH=$arch
fi fi