blob: b74e1e45b4b39a8efe1c2245b917a261cff47e16 [file] [log] [blame]
Ronald Cronc0c38fa2019-09-23 09:36:56 +02001#-------------------------------------------------------------------------------
2# Copyright (c) 2020, Arm Limited. All rights reserved.
3#
4# SPDX-License-Identifier: BSD-3-Clause
5#
6#-------------------------------------------------------------------------------
7
8#This file contains settings to specify how ARMCLANG shall be used
9
10#Include some dependencies
11Include(Common/CompilerArmClangCommon)
12Include(Common/Utils)
13
14check_armclang_input_vars("6.13")
15
16if(NOT DEFINED ARM_CPU_ARCHITECTURE)
17 set(_NO_ARM_CPU_ARCHITECTURE true)
Ronald Cron06fa1e42019-09-23 10:05:29 +020018elseif(${ARM_CPU_ARCHITECTURE} STREQUAL "ARMv8.1-M.MAIN")
19 string_append_unique_item(STRING CMAKE_C_FLAGS_CPU KEY "--target=" VAL "--target=arm-arm-none-eabi")
20 string_append_unique_item(STRING CMAKE_C_FLAGS_CPU KEY "-march=" VAL "-march=armv8.1-m.main+mve")
21 string_append_unique_item(STRING CMAKE_CXX_FLAGS_CPU KEY "--target=" VAL "--target=arm-arm-none-eabi")
22 string_append_unique_item(STRING CMAKE_CXX_FLAGS_CPU KEY "-march=" VAL "-march=armv8.1-m.main+mve")
23 string_append_unique_item(STRING CMAKE_ASM_FLAGS_CPU KEY "--cpu=" VAL "--cpu=8.1-M.Main.dsp")
24 string_append_unique_item(STRING CMAKE_LINK_FLAGS_CPU KEY "--cpu=" VAL "--cpu=8.1-M.Main.dsp")
25
26# FIXME
27# When compiling for a given architecture, compilers define a flag identifying
28# the architecture like __ARM_ARCH_7M__ or __ARM_ARCH_8M_MAIN__ or
29# __ARM_ARCH_8_1M_MAIN__. Those flags are used in CMSIS headers like
30# cmsis_armclang.h or cmsis_gcc.h to restrict the definition of some symbols
31# to particular architectures. For the new Armv8.1-M.Main architecture, some
32# CMSIS headers like cmsis_armclang.h or cmsis_gcc.h have not been updated yet
33# to use __ARM_ARCH_8_1M_MAIN__. To mitigate this, core_armv81mml.h header
34# defines __ARM_ARCH_8M_MAIN__: #define __ARM_ARCH_8M_MAIN__ 1. Concerning
35# cmsis_armclang.h or cmsis_gcc.h includes, for this solution to work, wherever
36# cmsis_compiler.h (which includes cmsis_armclang.h or cmsis_gcc.h) is included
37# core_armv81mml.h has to be included as well. This is not the case in several
38# places in TF-M code leading to compilation failures for some C files for
39# Armv8.1-M architecture. When the CMSIS headers are updated to fully support
40# the __ARM_ARCH_8_1M_MAIN__ flag, the compilation issues should disappear thus
41# we don't want to change the header inclusions in TF-M code. Thus the below
42# definition as a compile parameter of _ARM_ARCH_8M_MAIN__ that must be removed
43# in the future.
44
45 add_definitions(-D__ARM_ARCH_8M_MAIN__=1)
46
Ronald Cronc0c38fa2019-09-23 09:36:56 +020047elseif (${ARM_CPU_ARCHITECTURE} STREQUAL "ARMv8-M.BASE")
48 string_append_unique_item(STRING CMAKE_C_FLAGS_CPU KEY "--target=" VAL "--target=arm-arm-none-eabi")
49 string_append_unique_item(STRING CMAKE_C_FLAGS_CPU KEY "-march=" VAL "-march=armv8-m.base")
50 string_append_unique_item(STRING CMAKE_CXX_FLAGS_CPU KEY "--target=" VAL "--target=arm-arm-none-eabi")
51 string_append_unique_item(STRING CMAKE_CXX_FLAGS_CPU KEY "-march=" VAL "-march=armv8-m.base")
52 string_append_unique_item(STRING CMAKE_ASM_FLAGS_CPU KEY "--cpu=" VAL "--cpu=8-M.Base")
53 string_append_unique_item(STRING CMAKE_LINK_FLAGS_CPU KEY "--cpu=" VAL "--cpu=8-M.Base")
54elseif(${ARM_CPU_ARCHITECTURE} STREQUAL "ARMv8-M.MAIN")
55 string_append_unique_item(STRING CMAKE_C_FLAGS_CPU KEY "--target=" VAL "--target=arm-arm-none-eabi")
56 string_append_unique_item(STRING CMAKE_C_FLAGS_CPU KEY "-march=" VAL "-march=armv8-m.main")
57 string_append_unique_item(STRING CMAKE_CXX_FLAGS_CPU KEY "--target=" VAL "--target=arm-arm-none-eabi")
58 string_append_unique_item(STRING CMAKE_CXX_FLAGS_CPU KEY "-march=" VAL "-march=armv8-m.main")
59 string_append_unique_item(STRING CMAKE_ASM_FLAGS_CPU KEY "--cpu=" VAL "--cpu=8-M.Main")
60 string_append_unique_item(STRING CMAKE_LINK_FLAGS_CPU KEY "--cpu=" VAL "--cpu=8-M.Main")
61elseif(${ARM_CPU_ARCHITECTURE} STREQUAL "ARMv7-M")
62 string_append_unique_item(STRING CMAKE_C_FLAGS_CPU KEY "--target=" VAL "--target=arm-arm-none-eabi")
63 string_append_unique_item(STRING CMAKE_C_FLAGS_CPU KEY "-march=" VAL "-march=armv7-m")
64 string_append_unique_item(STRING CMAKE_CXX_FLAGS_CPU KEY "--target=" VAL "--target=arm-arm-none-eabi")
65 string_append_unique_item(STRING CMAKE_CXX_FLAGS_CPU KEY "-march=" VAL "-march=armv7-m")
66 string_append_unique_item(STRING CMAKE_ASM_FLAGS_CPU KEY "--cpu=" VAL "--cpu=7-M")
67 string_append_unique_item(STRING CMAKE_LINK_FLAGS_CPU KEY "--cpu=" VAL "--cpu=7-M")
68elseif (${ARM_CPU_ARCHITECTURE} STREQUAL "ARMv6-M")
69 string_append_unique_item(STRING CMAKE_C_FLAGS_CPU KEY "--target=" VAL "--target=arm-arm-none-eabi")
70 string_append_unique_item(STRING CMAKE_C_FLAGS_CPU KEY "-march=" VAL "-march=armv6-m")
71 string_append_unique_item(STRING CMAKE_CXX_FLAGS_CPU KEY "--target=" VAL "--target=arm-arm-none-eabi")
72 string_append_unique_item(STRING CMAKE_CXX_FLAGS_CPU KEY "-march=" VAL "-march=armv6-m")
73 string_append_unique_item(STRING CMAKE_ASM_FLAGS_CPU KEY "--cpu=" VAL "--cpu=6-M")
74 string_append_unique_item(STRING CMAKE_LINK_FLAGS_CPU KEY "--cpu=" VAL "--cpu=6-M")
75else()
76 message(FATAL_ERROR "Unknown or unsupported ARM cpu architecture setting.")
77endif()
78
79#Prefer architecture definition over cpu type.
80if(NOT DEFINED ARM_CPU_ARCHITECTURE)
81 if(NOT DEFINED ARM_CPU_TYPE)
82 string_append_unique_item(_NO_ARM_CPU_TYPE true)
83 elseif(${ARM_CPU_TYPE} STREQUAL "Cortex-M3")
84 string_append_unique_item(STRING CMAKE_C_FLAGS_CPU KEY "--target=" VAL "--target=arm-arm-none-eabi")
85 string_append_unique_item(STRING CMAKE_C_FLAGS_CPU KEY "-mcpu=" VAL "-mcpu=cortex-m3")
86 string_append_unique_item(STRING CMAKE_CXX_FLAGS_CPU KEY "--target=" VAL "--target=arm-arm-none-eabi")
87 string_append_unique_item(STRING CMAKE_CXX_FLAGS_CPU KEY "-mcpu=" VAL "-mcpu=cortex-m3")
88 string_append_unique_item(STRING CMAKE_ASM_FLAGS_CPU KEY "--cpu" VAL "--cpu=Cortex-M3")
89 string_append_unique_item(STRING CMAKE_LINK_FLAGS_CPU KEY "--cpu" VAL "--cpu=Cortex-M3")
90 elseif(${ARM_CPU_TYPE} STREQUAL "Cortex-M33")
91 string_append_unique_item(STRING CMAKE_C_FLAGS_CPU KEY "--target=" VAL "--target=arm-arm-none-eabi")
92 string_append_unique_item(STRING CMAKE_C_FLAGS_CPU KEY "-mcpu=" VAL "-mcpu=cortex-m33")
93 string_append_unique_item(STRING CMAKE_CXX_FLAGS_CPU KEY "--target=" VAL "--target=arm-arm-none-eabi")
94 string_append_unique_item(STRING CMAKE_CXX_FLAGS_CPU KEY "-mcpu=" VAL "-mcpu=cortex-m33")
95 string_append_unique_item(STRING CMAKE_ASM_FLAGS_CPU KEY "--cpu" VAL "--cpu=Cortex-M33")
96 string_append_unique_item(STRING CMAKE_LINK_FLAGS_CPU KEY "--cpu" VAL "--cpu=Cortex-M33")
97 elseif(${ARM_CPU_TYPE} STREQUAL "Cortex-M23")
98 string_append_unique_item(STRING CMAKE_C_FLAGS_CPU KEY "--target=" VAL "--target=arm-arm-none-eabi")
99 string_append_unique_item(STRING CMAKE_C_FLAGS_CPU KEY "-mcpu=" VAL "-mcpu=cortex-m23")
100 string_append_unique_item(STRING CMAKE_CXX_FLAGS_CPU KEY "--target=" VAL "--target=arm-arm-none-eabi")
101 string_append_unique_item(STRING CMAKE_CXX_FLAGS_CPU KEY "-mcpu=" VAL "-mcpu=cortex-m23")
102 string_append_unique_item(STRING CMAKE_ASM_FLAGS_CPU KEY "--cpu" VAL "--cpu=Cortex-M23")
103 string_append_unique_item(STRING CMAKE_LINK_FLAGS_CPU KEY "--cpu" VAL "--cpu=Cortex-M23")
104 elseif(${ARM_CPU_TYPE} STREQUAL "Cortex-M4")
105 string_append_unique_item(STRING CMAKE_C_FLAGS_CPU KEY "--target=" VAL "--target=arm-arm-none-eabi")
106 string_append_unique_item(STRING CMAKE_C_FLAGS_CPU KEY "-march=" VAL "-march=armv7-m")
107 string_append_unique_item(STRING CMAKE_CXX_FLAGS_CPU KEY "--target=" VAL "--target=arm-arm-none-eabi")
108 string_append_unique_item(STRING CMAKE_CXX_FLAGS_CPU KEY "-march=" VAL "-march=armv7-m")
109 string_append_unique_item(STRING CMAKE_ASM_FLAGS_CPU KEY "--cpu=" VAL "--cpu=Cortex-M4")
110 string_append_unique_item(STRING CMAKE_LINK_FLAGS_CPU KEY "--cpu=" VAL "--cpu=Cortex-M4")
111 set(ARM_CPU_ARCHITECTURE "ARMv7-M")
112 elseif(${ARM_CPU_TYPE} STREQUAL "Cortex-M0p")
113 string_append_unique_item(STRING CMAKE_C_FLAGS_CPU KEY "--target=" VAL "--target=arm-arm-none-eabi")
114 string_append_unique_item(STRING CMAKE_C_FLAGS_CPU KEY "-march=" VAL "-march=armv6-m")
115 string_append_unique_item(STRING CMAKE_CXX_FLAGS_CPU KEY "--target=" VAL "--target=arm-arm-none-eabi")
116 string_append_unique_item(STRING CMAKE_CXX_FLAGS_CPU KEY "-march=" VAL "-march=armv6-m")
117 string_append_unique_item(STRING CMAKE_ASM_FLAGS_CPU KEY "--cpu=" VAL "--cpu=Cortex-M0plus")
118 string_append_unique_item(STRING CMAKE_LINK_FLAGS_CPU KEY "--cpu=" VAL "--cpu=Cortex-M0plus")
119 set(ARM_CPU_ARCHITECTURE "ARMv6-M")
120 else()
121 message(FATAL_ERROR "Unknown ARM cpu setting.")
122 endif()
123endif()
124
125if (_NO_ARM_CPU_TYPE AND _NO_ARM_CPU_ARCHITECTURE)
126 message(FATAL_ERROR "Can not set CPU specific compiler flags: neither the ARM CPU type nor the architecture is set.")
127endif()