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Kernel: Use a different kernel load address for x86_64

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Co-authored-by: Gunnar Beutner <gbeutner@serenityos.org>
This commit is contained in:
Liav A 2021-07-18 03:35:26 +02:00 • committed by Andreas Kling
parent 7e94b090fe
commit 5938d882d8
3 changed files with 95 additions and 18 deletions
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6
Kernel/CMakeLists.txt
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@ -356,9 +356,11 @@ endif()
if ("${SERENITY_ARCH}" STREQUAL "x86_64")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mcmodel=large -fno-pic -mno-red-zone")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -faligned-new=8")
set(KERNEL_LINKER_SCRIPT ${CMAKE_CURRENT_SOURCE_DIR}/linker_amd64.ld)
else()
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pie -fPIE")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -faligned-new=4")
set(KERNEL_LINKER_SCRIPT ${CMAKE_CURRENT_SOURCE_DIR}/linker_i386.ld)
endif()
# Kernel Undefined Behavior Sanitizer (KUBSAN)
@ -394,8 +396,8 @@ endif()
add_executable(Kernel ${SOURCES})
add_dependencies(Kernel generate_EscapeSequenceStateMachine.h)
target_link_options(Kernel PRIVATE LINKER:-T ${CMAKE_CURRENT_SOURCE_DIR}/linker.ld -nostdlib)
set_target_properties(Kernel PROPERTIES LINK_DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/linker.ld)
target_link_options(Kernel PRIVATE LINKER:-T ${KERNEL_LINKER_SCRIPT} -nostdlib)
set_target_properties(Kernel PROPERTIES LINK_DEPENDS ${KERNEL_LINKER_SCRIPT})
if (ENABLE_KERNEL_LTO)
include(CheckIPOSupported)