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[ARM64] Initial commit for arm64 backend

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Based entirely off existing xbyak x86 implementation and available
tests. Still needs a lot of optimization and testing on non-Windows
platforms.

So far passes all tests and boots at least some games on Windows.
This commit is contained in:
Herman S.
2026-03-21 01:17:18 +09:00
parent c6e112bcd8
commit 883c2030d0
44 changed files with 13428 additions and 140 deletions
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39
CMakeLists.txt
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@@ -6,6 +6,27 @@ set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_C_STANDARD 17)
set(CMAKE_C_STANDARD_REQUIRED ON)
# Detect target architecture.
# - VS generator: CMAKE_GENERATOR_PLATFORM (from -A flag) takes priority.
# - Ninja/Makefiles: CMAKE_SYSTEM_PROCESSOR (set via -DCMAKE_SYSTEM_NAME
# + -DCMAKE_SYSTEM_PROCESSOR for cross-compile, or auto-detected natively).
if(CMAKE_GENERATOR_PLATFORM)
if(CMAKE_GENERATOR_PLATFORM STREQUAL "ARM64")
set(XE_TARGET_AARCH64 TRUE)
set(XE_TARGET_X86_64 FALSE)
else()
set(XE_TARGET_AARCH64 FALSE)
set(XE_TARGET_X86_64 TRUE)
endif()
elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "aarch64|ARM64")
set(XE_TARGET_AARCH64 TRUE)
set(XE_TARGET_X86_64 FALSE)
else()
set(XE_TARGET_AARCH64 FALSE)
set(XE_TARGET_X86_64 TRUE)
endif()
message(STATUS "Target architecture: XE_TARGET_AARCH64=${XE_TARGET_AARCH64} XE_TARGET_X86_64=${XE_TARGET_X86_64} (CMAKE_SYSTEM_PROCESSOR=${CMAKE_SYSTEM_PROCESSOR})")
# Options
option(XENIA_BUILD_TESTS "Build test suites" OFF)
option(XENIA_BUILD_MISC "Build misc subprojects (trace viewers, shader compiler, vfs-dump, demos)" OFF)
@@ -35,10 +56,12 @@ else()
set(XE_PLATFORM_NAME "Linux")
endif()
# Output directories — use CMAKE_BINARY_DIR so each build tree (build/, build-arm64/,
# build/vs-arm64/, etc.) gets its own output paths.
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/bin/${XE_PLATFORM_NAME}")
set(CMAKE_LIBRARY_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/bin/${XE_PLATFORM_NAME}")
# Output directories — strip any vs-* nesting from CMAKE_BINARY_DIR so that
# VS and Ninja builds for the same architecture share an output directory,
# while different architectures (build/ vs build-arm64/) stay separate.
string(REGEX REPLACE "/vs-[^/]+$" "" XE_OUTPUT_ROOT "${CMAKE_BINARY_DIR}")
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${XE_OUTPUT_ROOT}/bin/${XE_PLATFORM_NAME}")
set(CMAKE_LIBRARY_OUTPUT_DIRECTORY "${XE_OUTPUT_ROOT}/bin/${XE_PLATFORM_NAME}")
set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/obj/${XE_PLATFORM_NAME}")
# Create scratch/ if needed
@@ -78,9 +101,11 @@ if(MSVC)
add_compile_options(
/utf-8 # Build correctly on systems with non-Latin codepages
/wd4201 # Nameless struct/unions are ok
/arch:AVX # AVX vector extensions
/MP # Multi-processor compilation
)
if(XE_TARGET_X86_64)
add_compile_options(/arch:AVX)
endif()
add_compile_definitions(
_CRT_NONSTDC_NO_DEPRECATE
_CRT_SECURE_NO_WARNINGS
@@ -139,7 +164,9 @@ if(MSVC)
else()
# GCC/Clang (Linux)
add_compile_options(-mavx)
if(XE_TARGET_X86_64)
add_compile_options(-mavx)
endif()
# Disable specific warnings for C++
add_compile_options(