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ARMv7-M: Add FPU-related CFLAG settings for the CodeSourcery of Linux toolchain

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Gregory Nutt 2014-04-29 15:02:34 -06:00
parent f25d69ff9a
commit 2b2b799a23
1 changed files with 9 additions and 1 deletions
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10
arch/arm/src/armv7-m/Toolchain.defs
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@ -209,8 +209,16 @@ endif
ifeq ($(CONFIG_ARMV7M_TOOLCHAIN),CODESOURCERYL)
CROSSDEV ?= arm-none-eabi-
ARCROSSDEV ?= arm-none-eabi-
ARCHCPUFLAGS = -mcpu=cortex-m3 -mthumb -mfloat-abi=soft
MAXOPTIMIZATION ?= -O2
ifeq ($(CONFIG_ARCH_CORTEXM4),y)
ifeq ($(CONFIG_ARCH_FPU),y)
ARCHCPUFLAGS = -mcpu=cortex-m4 -mthumb -march=armv7e-m -mfpu=fpv4-sp-d16 -mfloat-abi=hard
else
ARCHCPUFLAGS = -mcpu=cortex-m4 -mthumb -march=armv7e-m -mfloat-abi=soft
endif
else ifeq ($(CONFIG_ARCH_CORTEXM3),y)
ARCHCPUFLAGS = -mcpu=cortex-m3 -mthumb -mfloat-abi=soft
endif
endif
# CodeSourcery under Windows