arch/arm: add support for armclang compiler(AC6)
Reference: https://developer.arm.com/Tools%20and%20Software/Arm%20Compiler%20for%20Embedded Signed-off-by: chao an <anchao@xiaomi.com> Signed-off-by: sheyunhu <sheyunhu@xiaomi.com>
This commit is contained in:
chao an
Xiang Xiao
parent
54aa91f02b
commit
7dbaa4f4c4
@ -42,6 +42,10 @@ config ARM_TOOLCHAIN_CLANG
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bool "Generic Clang toolchain"
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select ARCH_TOOLCHAIN_CLANG
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config ARM_TOOLCHAIN_ARMCLANG
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bool "ARM Compiler Clang toolchain"
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select ARCH_TOOLCHAIN_CLANG
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endchoice
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choice
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@ -85,37 +85,45 @@ UOBJS = $(UAOBJS) $(UCOBJS)
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KBIN = libkarch$(LIBEXT)
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BIN = libarch$(LIBEXT)
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LDFLAGS += $(addprefix -T,$(call CONVERT_PATH,$(ARCHSCRIPT))) $(EXTRALINKCMDS)
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# Override in Make.defs if linker is not 'ld'
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ifeq ($(LD),$(CC))
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LDSTARTGROUP ?= -Wl,--start-group
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LDENDGROUP ?= -Wl,--end-group
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LDFLAGS := $(addprefix -Xlinker ,$(LDFLAGS))
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LDFLAGS += $(CFLAGS)
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ifeq ($(CONFIG_ARM_TOOLCHAIN_ARMCLANG),)
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ifeq ($(LD),$(CC))
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LDSTARTGROUP ?= -Wl,--start-group
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LDENDGROUP ?= -Wl,--end-group
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LDFLAGS := $(addprefix -Xlinker ,$(LDFLAGS))
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LDFLAGS += $(CFLAGS)
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else
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LDSTARTGROUP ?= --start-group
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LDENDGROUP ?= --end-group
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endif
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LIBPATH_OPT = -L
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SCRIPT_OPT = -T
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else
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LDSTARTGROUP ?= --start-group
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LDENDGROUP ?= --end-group
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LIBPATH_OPT = --userlibpath
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EXTRA_LIBS += arm_vectors.o
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SCRIPT_OPT = --scatter=
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endif
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LDFLAGS += $(addprefix $(SCRIPT_OPT),$(call CONVERT_PATH,$(ARCHSCRIPT))) $(EXTRALINKCMDS)
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LIBPATHS += $(LIBPATH_OPT) $(call CONVERT_PATH,$(TOPDIR)$(DELIM)staging)
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BOARDMAKE = $(if $(wildcard board$(DELIM)Makefile),y,)
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LIBPATHS += -L $(call CONVERT_PATH,$(TOPDIR)$(DELIM)staging)
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ifeq ($(BOARDMAKE),y)
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LIBPATHS += -L $(call CONVERT_PATH,$(TOPDIR)$(DELIM)arch$(DELIM)$(CONFIG_ARCH)$(DELIM)src$(DELIM)board)
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LIBPATHS += $(LIBPATH_OPT) $(call CONVERT_PATH,$(TOPDIR)$(DELIM)arch$(DELIM)$(CONFIG_ARCH)$(DELIM)src$(DELIM)board)
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endif
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LDLIBS = $(patsubst %.a,%,$(patsubst lib%,-l%,$(LINKLIBS)))
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LDLIBS = $(patsubst %.a,%,$(patsubst lib%,--library=%,$(LINKLIBS)))
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ifeq ($(BOARDMAKE),y)
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LDLIBS += -lboard
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LDLIBS += --library=board
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endif
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VPATH += chip
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VPATH += common
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VPATH += $(ARCH_SUBDIR)
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ifeq ($(CONFIG_ARCH_TOOLCHAIN_IAR),y)
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ifeq ($(CONFIG_ARM_TOOLCHAIN_IAR),y)
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VPATH += common$(DELIM)iar
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else # ifeq ($(CONFIG_ARCH_TOOLCHAIN_GNU),y)
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VPATH += common$(DELIM)gnu
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@ -27,6 +27,8 @@ TOOLCHAIN_MFLOAT := -mfloat-abi=soft
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ifeq ($(CONFIG_ARM_TOOLCHAIN_CLANG),y)
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TOOLCHAIN_MARCH := --config armv6m_soft_nofp_nosys
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else ifeq ($(CONFIG_ARM_TOOLCHAIN_ARMCLANG),y)
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LDFLAGS += --cpu=Cortex-M0
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endif
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include $(TOPDIR)/arch/arm/src/common/Toolchain.defs
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@ -61,4 +61,26 @@ else
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ARCHCPUFLAGS += -mfloat-abi=soft
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endif
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ifeq ($(CONFIG_ARM_TOOLCHAIN_ARMCLANG),y)
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ifeq ($(CONFIG_ARCH_CORTEXA5),y)
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LDCPUFLAGS = Cortex-A5
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else ifeq ($(CONFIG_ARCH_CORTEXA7),y)
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LDCPUFLAGS = Cortex-A7
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else ifeq ($(CONFIG_ARCH_CORTEXA8),y)
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LDCPUFLAGS = Cortex-A8
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else ifeq ($(CONFIG_ARCH_CORTEXA9),y)
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LDCPUFLAGS = Cortex-A9
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endif
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ifeq ($(CONFIG_ARCH_FPU),)
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LDFLAGS += --cpu=$(LDCPUFLAGS).no_neon.no_vfp
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else ifeq ($(CONFIG_ARM_NEON),)
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LDFLAGS += --cpu=$(LDCPUFLAGS).no_neon
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else
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LDFLAGS += --cpu=$(LDCPUFLAGS)
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endif
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endif
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include $(TOPDIR)/arch/arm/src/common/Toolchain.defs
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@ -75,6 +75,28 @@ ifeq ($(CONFIG_ARM_TOOLCHAIN_CLANG),y)
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TOOLCHAIN_MARCH += --config armv7m_soft_nofp_nosys
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endif
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else ifeq ($(CONFIG_ARM_TOOLCHAIN_ARMCLANG),y)
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ifeq ($(CONFIG_ARCH_CORTEXM4),y)
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ifeq ($(CONFIG_ARCH_FPU),y)
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LDFLAGS += --cpu=Cortex-M4
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else
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LDFLAGS += --cpu=Cortex-M4.no_fp
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endif
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else ifeq ($(CONFIG_ARCH_CORTEXM7),y)
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ifeq ($(CONFIG_ARCH_FPU),y)
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ifeq ($(CONFIG_ARCH_DPFPU),y)
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LDFLAGS += --cpu=Cortex-M7
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else
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LDFLAGS += --cpu=Cortex-M7.fp.sp
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endif
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else
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LDFLAGS += --cpu=Cortex-M7.no_fp
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endif
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else # ifeq ($(CONFIG_ARCH_CORTEXM3),y)
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LDFLAGS += --cpu=Cortex-M3
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endif
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endif
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ifeq ($(CONFIG_ARMV7M_STACKCHECK),y)
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@ -37,4 +37,24 @@ else
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ARCHCPUFLAGS += -mfloat-abi=soft
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endif
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ifeq ($(CONFIG_ARM_TOOLCHAIN_ARMCLANG),y)
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ifeq ($(CONFIG_ARCH_CORTEXR4),y)
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LDFLAGS += --cpu=Cortex-R4
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else ifeq ($(CONFIG_ARCH_CORTEXR5),y)
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ifeq ($(CONFIG_ARCH_FPU),y)
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LDFLAGS += --cpu=Cortex-R5
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else
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LDFLAGS += --cpu=Cortex-R5.no_vfp
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endif
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else ifeq ($(CONFIG_ARCH_CORTEXR7),y)
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ifeq ($(CONFIG_ARCH_FPU),y)
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LDFLAGS += --cpu=Cortex-R7
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else
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LDFLAGS += --cpu=Cortex-R7.no_vfp
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endif
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endif
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endif
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include $(TOPDIR)/arch/arm/src/common/Toolchain.defs
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@ -84,6 +84,38 @@ ifeq ($(CONFIG_ARM_TOOLCHAIN_CLANG),y)
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endif
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endif
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else ifeq ($(CONFIG_ARM_TOOLCHAIN_ARMCLANG),y)
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ifeq ($(CONFIG_ARCH_CORTEXM23),y)
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LDFLAGS += --cpu=Cortex-M23
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else ifeq ($(CONFIG_ARCH_CORTEXM33),y)
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ifeq ($(CONFIG_ARCH_FPU),y)
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LDFLAGS += --cpu=Cortex-M33
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else
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LDFLAGS += --cpu=Cortex-M33.no_fp
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endif
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else ifeq ($(CONFIG_ARCH_CORTEXM35P),y)
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ifeq ($(CONFIG_ARCH_FPU),y)
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LDFLAGS += --cpu=Cortex-M35P
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else
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LDFLAGS += --cpu=Cortex-M35P.no_fp
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endif
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else ifeq ($(CONFIG_ARCH_CORTEXM55),y)
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ifeq ($(CONFIG_ARM_HAVE_MVE),y)
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ifeq ($(CONFIG_ARCH_FPU),y)
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LDFLAGS += --cpu=Cortex-M55
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else
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LDFLAGS += --cpu=Cortex-M55.no_fp
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endif
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else
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ifeq ($(CONFIG_ARCH_FPU),y)
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LDFLAGS += --cpu=Cortex-M55.no_mve
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else
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LDFLAGS += --cpu=Cortex-M55.no_mve.no_fp
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endif
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endif
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endif
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endif
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ifeq ($(CONFIG_ARMV8M_STACKCHECK),y)
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@ -131,6 +131,32 @@ ifeq ($(CONFIG_ARM_TOOLCHAIN_CLANG),y)
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ARCHOPTIMIZATION += -fno-builtin
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# ARM Compiler Clang toolchain
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else ifeq ($(CONFIG_ARM_TOOLCHAIN_ARMCLANG),y)
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CC = armclang
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CXX = armclang
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CPP = armclang -E -P -x c
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LD = armlink
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STRIP = llvm-strip --strip-unneeded
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AR = armar -rcs
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NM = llvm-nm
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OBJCOPY = llvm-objcopy
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OBJDUMP = llvm-objdump
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# Since the no_builtin attribute is not fully supported on Clang
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# disable the built-in functions, refer:
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# https://github.com/apache/incubator-nuttx/pull/5971
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ARCHOPTIMIZATION += -fno-builtin
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ARCHOPTIMIZATION += --target=arm-arm-none-eabi
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# Suppress license warning
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ARCHCPUFLAGS += -Wno-license-management
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LDFLAGS += --diag_suppress=9931
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# Default toolchain
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else
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@ -174,23 +200,35 @@ endif
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ARCHOPTIMIZATION += -fno-common -Wall -Wshadow -Wundef
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ARCHOPTIMIZATION += -nostdlib
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LDFLAGS += -nostdlib
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ifeq ($(CONFIG_ARM_TOOLCHAIN_ARMCLANG),)
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LDFLAGS += -nostdlib
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endif
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# Optimization of unused sections
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ifeq ($(CONFIG_DEBUG_OPT_UNUSED_SECTIONS),y)
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LDFLAGS += --gc-sections
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ARCHOPTIMIZATION += -ffunction-sections -fdata-sections
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ifeq ($(CONFIG_ARM_TOOLCHAIN_ARMCLANG),)
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ifeq ($(CONFIG_DEBUG_OPT_UNUSED_SECTIONS),y)
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LDFLAGS += --gc-sections
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ARCHOPTIMIZATION += -ffunction-sections -fdata-sections
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endif
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endif
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# Debug link map
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ifeq ($(CONFIG_DEBUG_LINK_MAP),y)
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LDFLAGS += --cref -Map=$(call CONVERT_PATH,$(TOPDIR)$(DELIM)nuttx.map)
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ifeq ($(CONFIG_ARM_TOOLCHAIN_ARMCLANG),)
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LDFLAGS += --cref -Map=$(call CONVERT_PATH,$(TOPDIR)$(DELIM)nuttx.map)
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else
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LDFLAGS += --strict --map --xref --symbols --info=unused --info=veneers
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LDFLAGS += --info=summarysizes --info=summarystack
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endif
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endif
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ifeq ($(CONFIG_DEBUG_SYMBOLS),y)
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ARCHOPTIMIZATION += -g
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ifeq ($(CONFIG_ARM_TOOLCHAIN_ARMCLANG),y)
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LDFLAGS += --debug
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endif
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endif
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# Add the builtin library
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