mirror of https://github.com/ARMmbed/mbed-os.git
Armc6 - Set floating point and CPU options for all core variants explicitly
Below are the options read from the toolchains/arm armclang --target=arm-arm-none-eabi -mcpu=list The following arguments to option 'mcpu' can be selected: -mcpu=cortex-m0 -mcpu=cortex-m0plus -mcpu=cortex-m1 -mcpu=cortex-m3 -mcpu=cortex-m4 -mcpu=cortex-m7 -mcpu=cortex-m23 -mcpu=cortex-m33 ... armlink --cpu=list The following arguments to option 'cpu' can be selected: --cpu=Cortex-M0 --cpu=Cortex-M0plus --cpu=Cortex-M1 --cpu=Cortex-M1.os_extension --cpu=Cortex-M1.no_os_extension --cpu=Cortex-M4 --cpu=Cortex-M4.no_fp --cpu=Cortex-M7 --cpu=Cortex-M7.fp.sp --cpu=Cortex-M7.no_fp --cpu=Cortex-M23 --cpu=Cortex-M33 --cpu=Cortex-M33.no_fp --cpu=Cortex-M33.no_dsp --cpu=Cortex-M33.no_dsp.no_fp ... armclang --target=arm-arm-none-eabi -mfpu=list The following arguments to option 'mfpu' can be selected: -mfpu=fpv4-sp-d16 -mfpu=fpv5-sp-d16 -mfpu=fpv5-d16 ...pull/9480/head
deepikabhavnani
parent
907c517473
commit
c0750de318
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@ -381,70 +381,67 @@ class ARMC6(ARM_STD):
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if not set(("ARM", "ARMC6")).intersection(set(target.supported_toolchains)):
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raise NotSupportedException("ARM/ARMC6 compiler support is required for ARMC6 build")
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if target.core.lower().endswith("fd"):
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self.flags['common'].append("-mcpu=%s" % target.core.lower()[:-2])
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self.flags['ld'].append("--cpu=%s" % target.core.lower()[:-2])
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self.SHEBANG += " -mcpu=%s" % target.core.lower()[:-2]
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elif target.core.lower().endswith("fd-ns"):
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self.flags['common'].append("-mcpu=%s" % target.core.lower()[:-5])
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self.flags['ld'].append("--cpu=%s" % target.core.lower()[:-5])
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self.SHEBANG += " -mcpu=%s" % target.core.lower()[:-5]
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elif target.core.lower().endswith("f"):
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self.flags['common'].append("-mcpu=%s" % target.core.lower()[:-1])
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self.flags['ld'].append("--cpu=%s" % target.core.lower()[:-1])
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self.SHEBANG += " -mcpu=%s" % target.core.lower()[:-1]
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elif target.core.startswith("Cortex-M33"):
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self.flags['common'].append("-mcpu=cortex-m33+nodsp")
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self.flags['common'].append("-mfpu=none")
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self.flags['ld'].append("--cpu=Cortex-M33.no_dsp.no_fp")
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elif not target.core.startswith("Cortex-M23"):
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self.flags['common'].append("-mcpu=%s" % target.core.lower())
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self.flags['ld'].append("--cpu=%s" % target.core.lower())
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self.SHEBANG += " -mcpu=%s" % target.core.lower()
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if target.core == "Cortex-M4F":
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self.flags['common'].append("-mfpu=fpv4-sp-d16")
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self.flags['common'].append("-mfloat-abi=hard")
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elif target.core == "Cortex-M7F":
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self.flags['common'].append("-mfpu=fpv5-sp-d16")
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self.flags['common'].append("-mfloat-abi=hard")
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elif target.core == "Cortex-M7FD":
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self.flags['common'].append("-mfpu=fpv5-d16")
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self.flags['common'].append("-mfloat-abi=hard")
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elif target.core.startswith("Cortex-M23"):
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self.flags['common'].append("-march=armv8-m.base")
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elif target.core.startswith("Cortex-M33F"):
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self.flags['common'].append("-mfpu=fpv5-sp-d16")
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self.flags['common'].append("-mfloat-abi=hard")
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core = target.core
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if CORE_ARCH[target.core] == 8:
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# Add linking time preprocessor macro DOMAIN_NS
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if target.core.endswith("-NS"):
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define_string = self.make_ld_define("DOMAIN_NS", "0x1")
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self.flags["ld"].append(define_string)
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else:
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# Add secure build flag
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self.flags['cxx'].append("-mcmse")
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self.flags['c'].append("-mcmse")
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if (not target.core.endswith("-NS")) and kwargs.get('build_dir', False):
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# Create Secure library
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build_dir = kwargs['build_dir']
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secure_file = join(build_dir, "cmse_lib.o")
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self.flags["ld"] += ["--import_cmse_lib_out=%s" % secure_file]
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# Add linking time preprocessor macro DOMAIN_NS
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if target.core.endswith("-NS"):
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define_string = self.make_ld_define("DOMAIN_NS", "0x1")
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self.flags["ld"].append(define_string)
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core = target.core[:-3]
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else:
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# Add secure build flag
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self.flags['cxx'].append("-mcmse")
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self.flags['c'].append("-mcmse")
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cpu = {
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"Cortex-M0+": "cortex-m0plus",
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"Cortex-M4F": "cortex-m4",
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"Cortex-M7F": "cortex-m7",
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"Cortex-M7FD": "cortex-m7",
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"Cortex-M33": "cortex-m33+no_dsp+no_fp",
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"Cortex-M33F": "cortex-m33+no_dsp",
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"Cortex-M33FD": "cortex-m33"}.get(core, core)
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cpu = cpu.lower()
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self.flags['common'].append("-mcpu=%s" % cpu)
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self.SHEBANG += " -mcpu=%s" % cpu
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# FPU handling
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if core == "Cortex-M4F":
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self.flags['common'].append("-mfpu=fpv4-sp-d16")
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self.flags['common'].append("-mfloat-abi=hard")
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self.flags['ld'].append("--cpu=cortex-m4")
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elif core == "Cortex-M7F":
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self.flags['common'].append("-mfpu=fpv5-sp-d16")
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self.flags['common'].append("-mfloat-abi=hard")
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self.flags['ld'].append("--cpu=cortex-m7.fp.sp")
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elif core == "Cortex-M7FD":
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self.flags['common'].append("-mfpu=fpv5-d16")
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self.flags['common'].append("-mfloat-abi=hard")
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self.flags['ld'].append("--cpu=cortex-m7")
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elif core == "Cortex-M33F":
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self.flags['common'].append("-mfpu=fpv5-sp-d16")
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self.flags['common'].append("-mfloat-abi=hard")
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self.flags['ld'].append("--cpu=cortex-m33.no_dsp")
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elif core == "Cortex-M33":
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self.flags['ld'].append("--cpu=cortex-m33.no_dsp.no_fp")
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else:
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self.flags['ld'].append("--cpu=%s" % cpu)
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asm_cpu = {
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"Cortex-M0+": "Cortex-M0",
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"Cortex-M4F": "Cortex-M4.fp",
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"Cortex-M7F": "Cortex-M7.fp.sp",
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"Cortex-M7FD": "Cortex-M7.fp.dp",
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"Cortex-M23-NS": "Cortex-M23",
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"Cortex-M33": "Cortex-M33.no_dsp.no_fp",
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"Cortex-M33-NS": "Cortex-M33.no_dsp.no_fp",
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"Cortex-M33F": "Cortex-M33.no_dsp",
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"Cortex-M33F-NS": "Cortex-M33.no_dsp",
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"Cortex-M33FD": "Cortex-M33",
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"Cortex-M33FD-NS": "Cortex-M33"}.get(target.core, target.core)
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"Cortex-M33FD": "Cortex-M33"}.get(core, core)
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self.flags['asm'].append("--cpu=%s" % asm_cpu)
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