| Jamie Fox | ef75795 | 2018-10-19 10:22:30 +0100 | [diff] [blame] | 1 | #------------------------------------------------------------------------------- |
| 2 | # Copyright (c) 2018, Arm Limited. All rights reserved. |
| 3 | # |
| 4 | # SPDX-License-Identifier: BSD-3-Clause |
| 5 | # |
| 6 | #------------------------------------------------------------------------------- |
| 7 | |
| 8 | #This file contains settings to specify how GCC shall be used |
| 9 | |
| 10 | #Include some dependencies |
| 11 | Include(Common/CompilerGNUARMCommon) |
| 12 | Include(Common/Utils) |
| 13 | |
| 14 | check_gnuarm_input_vars("7.3") |
| 15 | |
| 16 | if(NOT DEFINED ARM_CPU_ARCHITECTURE) |
| 17 | set(_NO_ARM_CPU_ARCHITECTURE true) |
| 18 | elseif (${ARM_CPU_ARCHITECTURE} STREQUAL "ARMv8-M.BASE") |
| 19 | string_append_unique_item(STRING CMAKE_C_FLAGS_CPU KEY "-march=" VAL "-march=armv8-m.base") |
| 20 | string_append_unique_item(STRING CMAKE_CXX_FLAGS_CPU KEY "-march=" VAL "-march=armv8-m.base") |
| 21 | string_append_unique_item(STRING CMAKE_ASM_FLAGS_CPU KEY "-march=" VAL "-march=armv8-m.base") |
| 22 | string_append_unique_item(STRING CMAKE_LINK_FLAGS_CPU KEY "-march=" VAL "-march=armv8-m.base") |
| 23 | elseif(${ARM_CPU_ARCHITECTURE} STREQUAL "ARMv8-M.MAIN") |
| 24 | string_append_unique_item(STRING CMAKE_C_FLAGS_CPU KEY "-march=" VAL "-march=armv8-m.main") |
| 25 | string_append_unique_item(STRING CMAKE_CXX_FLAGS_CPU KEY "-march=" VAL "-march=armv8-m.main") |
| 26 | string_append_unique_item(STRING CMAKE_ASM_FLAGS_CPU KEY "-march=" VAL "-march=armv8-m.main") |
| 27 | string_append_unique_item(STRING CMAKE_LINK_FLAGS_CPU KEY "-march=" VAL "-march=armv8-m.main") |
| 28 | elseif(${ARM_CPU_ARCHITECTURE} STREQUAL "ARMv7-M") |
| 29 | string_append_unique_item(STRING CMAKE_C_FLAGS_CPU KEY "-march=" VAL "-march=armv7-m") |
| 30 | string_append_unique_item(STRING CMAKE_CXX_FLAGS_CPU KEY "-march=" VAL "-march=armv7-m") |
| 31 | string_append_unique_item(STRING CMAKE_ASM_FLAGS_CPU KEY "-march=" VAL "-march=armv7-m") |
| 32 | string_append_unique_item(STRING CMAKE_LINK_FLAGS_CPU KEY "-march=" VAL "-march=armv7-m") |
| 33 | else() |
| 34 | message(FATAL_ERROR "Unknown or unsupported ARM cpu architecture setting.") |
| 35 | endif() |
| 36 | |
| 37 | #Prefer architecture definition over cpu type. |
| 38 | if(NOT DEFINED ARM_CPU_ARCHITECTURE) |
| 39 | if(NOT DEFINED ARM_CPU_TYPE) |
| 40 | string_append_unique_item(_NO_ARM_CPU_TYPE true) |
| 41 | elseif(${ARM_CPU_TYPE} STREQUAL "Cortex-M3") |
| 42 | string_append_unique_item (CMAKE_C_FLAGS_CPU "-mcpu=cortex-m3") |
| 43 | string_append_unique_item (CMAKE_CXX_FLAGS_CPU "-mcpu=cortex-m3") |
| 44 | string_append_unique_item (CMAKE_ASM_FLAGS_CPU "--cpu=Cortex-M3") |
| 45 | string_append_unique_item (CMAKE_LINK_FLAGS_CPU "--cpu=Cortex-M3") |
| 46 | elseif(${ARM_CPU_TYPE} STREQUAL "Cortex-M33") |
| 47 | string_append_unique_item (CMAKE_C_FLAGS_CPU "-mcpu=cortex-m33") |
| 48 | string_append_unique_item (CMAKE_CXX_FLAGS_CPU "-mcpu=cortex-m33") |
| 49 | string_append_unique_item (CMAKE_ASM_FLAGS_CPU "--cpu=Cortex-M33") |
| 50 | string_append_unique_item (CMAKE_LINK_FLAGS_CPU "--cpu=Cortex-M33") |
| 51 | elseif(${ARM_CPU_TYPE} STREQUAL "Cortex-M23") |
| 52 | string_append_unique_item (CMAKE_C_FLAGS_CPU "-mcpu=cortex-m23") |
| 53 | string_append_unique_item (CMAKE_CXX_FLAGS_CPU "-mcpu=cortex-m23") |
| 54 | string_append_unique_item (CMAKE_ASM_FLAGS_CPU "--cpu=Cortex-M23") |
| 55 | string_append_unique_item (CMAKE_LINK_FLAGS_CPU "--cpu=Cortex-M23") |
| 56 | else() |
| 57 | message(FATAL_ERROR "Unknown ARM cpu setting.") |
| 58 | endif() |
| 59 | endif() |
| 60 | |
| 61 | if (_NO_ARM_CPU_TYPE AND _NO_ARM_CPU_ARCHITECTURE) |
| 62 | message(FATAL_ERROR "Cannot set CPU specific compiler flags: neither the ARM CPU type nor the architecture is set.") |
| 63 | endif() |