diff options
Diffstat (limited to 'chip/stm32/build.mk')
| -rw-r--r-- | chip/stm32/build.mk | 15 |
1 files changed, 5 insertions, 10 deletions
diff --git a/chip/stm32/build.mk b/chip/stm32/build.mk index 13a6aa752a..5b2d7d9994 100644 --- a/chip/stm32/build.mk +++ b/chip/stm32/build.mk @@ -9,33 +9,28 @@ ifeq ($(CHIP_FAMILY),stm32f0) # STM32F0xx sub-family has a Cortex-M0 ARM core CORE:=cortex-m0 -# Force ARMv6-M ISA used by the Cortex-M0 -# For historical reasons gcc calls it armv6s-m: ARM used to have ARMv6-M -# without "svc" instruction, but that was short-lived. ARMv6S-M was the option -# with "svc". GCC kept that naming scheme even though the distinction is long -# gone. -CFLAGS_CPU+=-march=armv6s-m -mcpu=cortex-m0 +CFLAGS_CPU+=-mcpu=cortex-m0 else ifeq ($(CHIP_FAMILY),$(filter $(CHIP_FAMILY),stm32f3 stm32l4 stm32f4 \ stm32g4)) # STM32F3xx and STM32L4xx sub-family has a Cortex-M4 ARM core CORE:=cortex-m # Allow the full Cortex-M4 instruction set -CFLAGS_CPU+=-march=armv7e-m -mcpu=cortex-m4 +CFLAGS_CPU+=-mcpu=cortex-m4 else ifeq ($(CHIP_FAMILY),$(filter $(CHIP_FAMILY),stm32h7)) # STM32FH7xx family has a Cortex-M7 ARM core CORE:=cortex-m # Allow the full Cortex-M4 instruction set (identical to M7) -CFLAGS_CPU+=-march=armv7e-m -mcpu=cortex-m4 +CFLAGS_CPU+=-mcpu=cortex-m4 else ifeq ($(CHIP_FAMILY),$(filter $(CHIP_FAMILY),stm32l5)) # STM32FL5xx family has a Cortex-M33 ARM core CORE:=cortex-m # Allow the full Cortex-M33 instruction set -CFLAGS_CPU+=-march=armv8-m.main+dsp -mcpu=cortex-m33 +CFLAGS_CPU+=-mcpu=cortex-m33 else # other STM32 SoCs have a Cortex-M3 ARM core CORE:=cortex-m # Force Cortex-M3 subset of instructions -CFLAGS_CPU+=-march=armv7-m -mcpu=cortex-m3 +CFLAGS_CPU+=-mcpu=cortex-m3 endif # Select between 16-bit and 32-bit timer for clock source |