2023-05-30 18:08:52 +02:00
|
|
|
# ps1-bare-metal - (C) 2023 spicyjpeg
|
|
|
|
|
#
|
|
|
|
|
# Permission to use, copy, modify, and/or distribute this software for any
|
|
|
|
|
# purpose with or without fee is hereby granted, provided that the above
|
|
|
|
|
# copyright notice and this permission notice appear in all copies.
|
|
|
|
|
#
|
|
|
|
|
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
|
|
|
|
|
# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
|
|
|
|
|
# AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
|
|
|
|
|
# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
|
|
|
|
|
# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
|
|
|
|
|
# OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
|
|
|
|
|
# PERFORMANCE OF THIS SOFTWARE.
|
|
|
|
|
|
|
|
|
|
cmake_minimum_required(VERSION 3.25)
|
|
|
|
|
|
|
|
|
|
# Override the default file extensions for executables and libraries. This is
|
|
|
|
|
# not strictly required, but it makes CMake's behavior more consistent.
|
|
|
|
|
set(CMAKE_EXECUTABLE_SUFFIX .elf)
|
|
|
|
|
set(CMAKE_STATIC_LIBRARY_PREFIX lib)
|
|
|
|
|
set(CMAKE_STATIC_LIBRARY_SUFFIX .a)
|
|
|
|
|
|
|
|
|
|
# Add libgcc.a (-lgcc) to the set of libraries linked to all executables by
|
|
|
|
|
# default. This library ships with GCC and must be linked to anything compiled
|
|
|
|
|
# with it.
|
|
|
|
|
link_libraries(-lgcc)
|
|
|
|
|
|
|
|
|
|
# Create a dummy "flags" library that is not made up of any files, but adds the
|
|
|
|
|
# appropriate compiler and linker flags for PS1 executables to anything linked
|
|
|
|
|
# to it. The library is then added to the default set of libraries.
|
|
|
|
|
add_library (flags INTERFACE)
|
|
|
|
|
link_libraries(flags)
|
|
|
|
|
|
|
|
|
|
target_compile_options(
|
|
|
|
|
flags INTERFACE
|
|
|
|
|
-g
|
|
|
|
|
-Wall
|
|
|
|
|
-Wa,--strip-local-absolute
|
|
|
|
|
-ffreestanding
|
|
|
|
|
-fno-builtin
|
|
|
|
|
-fno-pic
|
|
|
|
|
-nostdlib
|
|
|
|
|
-fdata-sections
|
|
|
|
|
-ffunction-sections
|
|
|
|
|
-fsigned-char
|
|
|
|
|
-fno-strict-overflow
|
|
|
|
|
-march=r3000
|
|
|
|
|
-mabi=32
|
2024-01-12 22:23:10 +01:00
|
|
|
-mfp32
|
|
|
|
|
#-msoft-float
|
2023-05-30 18:08:52 +02:00
|
|
|
-mno-mt
|
|
|
|
|
-mno-llsc
|
|
|
|
|
-mno-abicalls
|
|
|
|
|
-mgpopt
|
|
|
|
|
-mno-extern-sdata
|
|
|
|
|
-G8
|
|
|
|
|
$<$<COMPILE_LANGUAGE:CXX>:
|
|
|
|
|
# These options will only be added when compiling C++ source files.
|
|
|
|
|
-fno-exceptions
|
|
|
|
|
-fno-rtti
|
|
|
|
|
-fno-unwind-tables
|
|
|
|
|
-fno-threadsafe-statics
|
|
|
|
|
-fno-use-cxa-atexit
|
|
|
|
|
>
|
|
|
|
|
$<IF:$<CONFIG:Debug>,
|
|
|
|
|
# These options will only be added if CMAKE_BUILD_TYPE is set to Debug.
|
|
|
|
|
-Og
|
|
|
|
|
-mdivide-breaks
|
|
|
|
|
,
|
|
|
|
|
# These options will be added if CMAKE_BUILD_TYPE is not set to Debug.
|
2023-06-14 23:58:07 +02:00
|
|
|
#-O3
|
2023-05-30 18:08:52 +02:00
|
|
|
#-flto
|
2024-01-12 22:23:10 +01:00
|
|
|
-mno-check-zero-division
|
2023-05-30 18:08:52 +02:00
|
|
|
>
|
|
|
|
|
)
|
|
|
|
|
target_link_options(
|
|
|
|
|
flags INTERFACE
|
|
|
|
|
-static
|
|
|
|
|
-nostdlib
|
|
|
|
|
-Wl,-gc-sections
|
|
|
|
|
-G8
|
|
|
|
|
-T${CMAKE_CURRENT_LIST_DIR}/executable.ld
|
|
|
|
|
)
|
