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BuildSystem: building for 32-bit works now

This commit is contained in:
Bananymous 2023-04-02 04:48:56 +03:00
parent 4a887fc706
commit 471ac80420
3 changed files with 30 additions and 11 deletions
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17
CMakeLists.txt
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@ -1,9 +1,22 @@
cmake_minimum_required(VERSION 3.26)
project(banan-os CXX ASM)
set(BANAN_ARCH x86_64)
if(DEFINED ENV{BANAN_ARCH})
set(BANAN_ARCH $ENV{BANAN_ARCH})
endif()
set(CMAKE_CXX_STANDARD 20)
set(CMAKE_CXX_STANDARD_REQUIRED True)
set(CMAKE_CXX_COMPILER ${BANAN_ARCH}-elf-g++)
set(CMAKE_CXX_COMPILER_WORKS True)
if("${BANAN_ARCH}" STREQUAL "i386")
set(CMAKE_CXX_COMPILER i686-elf-g++)
endif()
project(banan-os CXX)
set(BANAN_SYSROOT ${CMAKE_BINARY_DIR}/sysroot)
set(BANAN_INCLUDE ${BANAN_SYSROOT}/usr/include)
set(BANAN_BOOT ${BANAN_SYSROOT}/boot)

22
kernel/CMakeLists.txt
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@ -2,10 +2,11 @@ cmake_minimum_required(VERSION 3.26)
project(kernel CXX ASM)
set(CMAKE_CXX_STANDARD 20)
set(CMAKE_CXX_STANDARD_REQUIRED True)
set(CMAKE_CXX_COMPILER ${BANAN_ARCH}-elf-g++)
set(CMAKE_CXX_COMPILER_WORKS True)
if("${BANAN_ARCH}" STREQUAL "x86_64")
set(ELF_FORMAT elf64-x86-64)
elseif("${BANAN_ARCH}" STREQUAL "i386")
set(ELF_FORMAT elf32-i386)
endif()
set(KERNEL_SOURCES
font/prefs.psf.o
@ -62,7 +63,7 @@ if("${BANAN_ARCH}" STREQUAL "x86_64")
arch/x86_64/SpinLock.S
arch/x86_64/Thread.S
)
elseif("${BANAN_ARCH}" EQUAL "i386")
elseif("${BANAN_ARCH}" STREQUAL "i386")
set(KERNEL_SOURCES
${KERNEL_SOURCES}
arch/i386/boot.S
@ -73,7 +74,7 @@ elseif("${BANAN_ARCH}" EQUAL "i386")
arch/i386/Thread.S
)
else()
message(FATAL_ERROR "unsupported architecure")
message(FATAL_ERROR "unsupported architecure ${BANAN_ARCH}")
endif()
set(BAN_SOURCES
@ -99,7 +100,7 @@ add_executable(kernel ${KERNEL_SOURCES})
target_include_directories(kernel PUBLIC include ../BAN/include ../libc/include)
target_compile_definitions(kernel PUBLIC __is_kernel)
target_compile_definitions(kernel PUBLIC __arch=x86_64)
target_compile_definitions(kernel PUBLIC __arch=${BANAN_ARCH})
target_compile_options(kernel PUBLIC -O2 -g)
target_compile_options(kernel PUBLIC -Wno-literal-suffix)
@ -138,4 +139,9 @@ add_custom_command(
COMMAND cp ${CRTEND} .
)
set(CMAKE_CXX_LINK_EXECUTABLE "${CMAKE_CXX_COMPILER} <CMAKE_CXX_LINK_FLAGS> <FLAGS> <LINK_FLAGS> -o <TARGET> ${CMAKE_CURRENT_BINARY_DIR}/crti.o ${CMAKE_CURRENT_BINARY_DIR}/crtbegin.o <OBJECTS> ${CMAKE_CURRENT_BINARY_DIR}/crtend.o ${CMAKE_CURRENT_BINARY_DIR}/crtn.o")
add_custom_command(
OUTPUT font/prefs.psf.o
COMMAND cd ${CMAKE_CURRENT_SOURCE_DIR} && objcopy -O ${ELF_FORMAT} -B i386 -I binary font/prefs.psf ${CMAKE_CURRENT_BINARY_DIR}/font/prefs.psf.o
)
set(CMAKE_CXX_LINK_EXECUTABLE "${CMAKE_CXX_COMPILER} <CMAKE_CXX_LINK_FLAGS> <FLAGS> <LINK_FLAGS> -o <TARGET> ${CMAKE_CURRENT_BINARY_DIR}/crti.o ${CMAKE_CURRENT_BINARY_DIR}/crtbegin.o <OBJECTS> ${CMAKE_CURRENT_BINARY_DIR}/crtend.o ${CMAKE_CURRENT_BINARY_DIR}/crtn.o -lgcc ")

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kernel/font/prefs.psf.o
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