wip: IPC and Runtime

Runtime/Common/aarch64.cmake

@@ -56,3 +56,7 @@ find_program(LLVM_OBJCOPY NAMES llvm-objcopy objcopy
         /opt/homebrew/bin
     REQUIRED
 )
+
+set(CMAKE_C_FLAGS_INIT "-ffreestanding -mgeneral-regs-only -std=c23")
+
+set(CMAKE_EXE_LINKER_FLAGS_INIT "-nostdlib -static -no-pie -z max-page-size=0x1000 --no-dynamic-linker -T ${CMAKE_CURRENT_LIST_DIR}/linker.ld -Ttext=0x400000")

Runtime/Common/ksOS_SDK.cmake

@@ -0,0 +1,29 @@
+# SPDX-License-Identifier: GPL-3.0-or-later
+# Copyright (c) 2026 0xKSor
+
+set(KSOS_SYSROOT_SRC "${CMAKE_CURRENT_LIST_DIR}/..")
+set(BUILD_DIR $ENV{BUILD_DIR})
+if(NOT BUILD_DIR)
+  set(BUILD_DIR "${CMAKE_CURRENT_LIST_DIR}/../../.build")
+endif()
+
+set(KSOS_LIB_DIR "${BUILD_DIR}/Runtime/System/libksOS")
+
+function(add_ksos_executable TARGET_NAME)
+  add_executable(${TARGET_NAME}
+        "${KSOS_SYSROOT_SRC}/System/libksOS/Source/crt0.S"
+        ${ARGN}
+    )
+
+  target_include_directories(${TARGET_NAME} PRIVATE
+        "${KSOS_SYSROOT_SRC}/System/libksOS/Include"
+    )
+
+  target_link_directories(${TARGET_NAME} PRIVATE
+        "${KSOS_LIB_DIR}"
+    )
+
+  target_link_libraries(${TARGET_NAME} PRIVATE
+        ksOS
+    )
+endfunction()