diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 000000000000..586ab7240997
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,18 @@
+cmake_minimum_required(VERSION 3.10)
+project(ps2sdk)
+include(ExternalProject)
+
+ExternalProject_Add(tools
+    SOURCE_DIR ${PROJECT_SOURCE_DIR}/tools
+    CMAKE_ARGS -DCMAKE_INSTALL_PREFIX=${CMAKE_CURRENT_BINARY_DIR}/tools
+    BUILD_ALWAYS true)
+
+ExternalProject_Add(ee
+    SOURCE_DIR ${PROJECT_SOURCE_DIR}/ee
+    CMAKE_ARGS -DCMAKE_TOOLCHAIN_FILE=${PROJECT_SOURCE_DIR}/cmake/ee_toolchain.cmake -DCMAKE_INSTALL_PREFIX=${CMAKE_CURRENT_BINARY_DIR}/ee
+    BUILD_ALWAYS true)
+
+#ExternalProject_Add(iop
+#    SOURCE_DIR ${PROJECT_SOURCE_DIR}/iop
+#    CMAKE_ARGS -DCMAKE_TOOLCHAIN_FILE=${PROJECT_SOURCE_DIR}/cmake/iop_toolchain.cmake -DCMAKE_INSTALL_PREFIX=${CMAKE_CURRENT_BINARY_DIR}/iop
+#    BUILD_ALWAYS true)
\ No newline at end of file
diff --git a/build.sh b/build.sh
new file mode 100755
index 000000000000..a60c56ac2fd0
--- /dev/null
+++ b/build.sh
@@ -0,0 +1,6 @@
+cmake -B build-tools -S tools
+#cmake -B build-ee -S ee
+#cmake -B build-iop -S iop 
+
+cmake --build build-tools
+#cmake --build build-ee
diff --git a/ee/CMakeLists.txt b/ee/CMakeLists.txt
new file mode 100644
index 000000000000..e41fd4b74f45
--- /dev/null
+++ b/ee/CMakeLists.txt
@@ -0,0 +1,5 @@
+cmake_minimum_required(VERSION 3.10)
+project(ps2sdk-ee)
+
+
+add_subdirectory(kernel)
\ No newline at end of file
diff --git a/ee/kernel/CMakeLists.txt b/ee/kernel/CMakeLists.txt
new file mode 100644
index 000000000000..b027b0d18a17
--- /dev/null
+++ b/ee/kernel/CMakeLists.txt
@@ -0,0 +1,230 @@
+cmake_minimum_required(VERSION 3.10)
+
+set(EXEC_SYSCALLS KExit.o _LoadExecPS2.o _ExecPS2.o)
+set(EXECOSD_SYSCALL _ExecOSD.o)
+set(ALARM_SYSCALLS _SetAlarm.o SetAlarm.o _ReleaseAlarm.o ReleaseAlarm.o)
+set(ALARM_INTR_SYSCALLS _iSetAlarm.o iSetAlarm.o _iReleaseAlarm.o iReleaseAlarm.o)
+set(ROTATE_THREAD_READY_QUEUE_SYSCALL _iRotateThreadReadyQueue.o)
+set(IWAKEUP_THREAD_SYSCALL _iWakeupThread.o)
+set(ISUSPEND_THREAD_SYSCALL _iSuspendThread.o)
+set(TLB_SYSCALLS PutTLBEntry.o iPutTLBEntry.o _SetTLBEntry.o iSetTLBEntry.o GetTLBEntry.o iGetTLBEntry.o ProbeTLBEntry.o iProbeTLBEntry.o ExpandScratchPad.o)
+
+set(SIFCMD_OBJ
+    sif_cmd_send.o _sif_cmd_int_handler.o sif_cmd_main.o
+	sif_cmd_client.o sif_cmd_remove_cmdhandler.o sif_sreg_get.o
+)
+
+set(SIFRPC_OBJ 
+    SifBindRpc.o SifCallRpc.o SifRpcGetOtherData.o
+	SifRegisterRpc.o SifRemoveRpc.o SifSetRpcQueue.o SifRemoveRpcQueue.o SifGetNextRequest.o
+	SifExecRequest.o SifRpcLoop.o SifRpcMain.o _rpc_get_packet.o
+	_rpc_get_fpacket.o SifCheckStatRpc.o
+)
+
+set(FILEIO_OBJ
+    __fio_internals.o fio_init.o _fio_intr.o fio_sync.o fio_setblockmode.o 
+	fio_exit.o fio_open.o fio_close.o fio_read.o 
+	fio_write.o fio_lseek.o fio_mkdir.o _fio_read_intr.o fio_getc.o fio_putc.o 
+	fio_ioctl.o fio_dopen.o fio_dclose.o fio_dread.o fio_getstat.o fio_chstat.o 
+	fio_remove.o fio_format.o fio_rmdir.o fio_gets.o
+)
+
+set(LOADFILE_OBJ
+    SifLoadFileInit.o SifLoadFileExit.o _SifLoadModule.o SifLoadModule.o 
+	SifLoadStartModule.o SifLoadModuleEncrypted.o SifStopModule.o SifUnloadModule.o 
+	SifSearchModuleByName.o SifSearchModuleByAddress.o _SifLoadElfPart.o SifLoadElfPart.o 
+	SifLoadElf.o SifLoadElfEncrypted.o SifIopSetVal.o SifIopGetVal.o 
+	_SifLoadModuleBuffer.o SifLoadModuleBuffer.o SifLoadStartModuleBuffer.o 
+	SifExecModuleBuffer.o SifExecModuleFile.o
+)
+
+set(IOPHEAP_OBJ
+    SifInitIopHeap.o SifExitIopHeap.o SifAllocIopHeap.o 
+	SifFreeIopHeap.o SifLoadIopHeap.o
+)
+
+set(IOPCONTROL_OBJ
+    SifIopReboot.o SifIopReset.o SifIopIsAlive.o SifIopSync.o __iop_control_internals.o
+)
+
+set(GLUE_OBJ
+    DIntr.o EIntr.o EnableIntc.o DisableIntc.o EnableDmac.o DisableDmac.o
+    iEnableIntc.o iDisableIntc.o iEnableDmac.o iDisableDmac.o
+    SyncDCache.o iSyncDCache.o InvalidDCache.o iInvalidDCache.o
+)
+
+set(SIO_OBJ
+    sio_init.o sio_putc.o sio_getc.o sio_write.o sio_read.o sio_puts.o
+	sio_gets.o sio_getc_block.o sio_flush.o sio_putsn.o
+)
+
+set(ROM0_OBJ
+    _info_internals.o GetRomNameWithIODriver.o GetRomName.o IsDESRMachineWithIODriver.o IsDESRMachine.o IsT10KWithIODriver.o IsT10K.0
+)
+
+set(CONFIG_OBJ
+    _config_internals.o converttobcd.o convertfrombcd.o __adjustTime.o IsEarlyJap.o 
+	configGetLanguageWithIODriver.o configGetLanguage.o
+	configSetLanguageWithIODriver.o configSetLanguage.o
+	configGetTvScreenTypeWithIODriver.o configGetTvScreenType.o
+	configSetTvScreenTypeWithIODriver.o configSetTvScreenType.o
+	configGetDateFormatWithIODriver.o configGetDateFormat.o
+	configSetDateFormatWithIODriver.o configSetDateFormat.o
+	configGetTimeFormatWithIODriver.o configGetTimeFormat.o
+	configSetTimeFormatWithIODriver.o configSetTimeFormat.o
+	configGetTimezoneWithIODriver.o configGetTimezone.o
+	configSetTimezoneWithIODriver.o configSetTimezone.o
+	configIsSpdifEnabledWithIODriver.o configIsSpdifEnabled.o
+	configSetSpdifEnabledWithIODriver.o configSetSpdifEnabled.o
+	configIsDaylightSavingEnabledWithIODriver.o configIsDaylightSavingEnabled.o
+	configSetDaylightSavingEnabledWithIODriver.o configSetDaylightSavingEnabled.o
+	configConvertToGmtTime.o configConvertToLocalTimeWithIODriver.o configConvertToLocalTime.o
+)
+
+# bin2c osdsrc_bin.o
+set(LIBOSD_OBJ libosd.o libosd_full.o libosd_common.o)
+
+# bin2c tlbsrc_bin.o
+set(TLBFUNC_OBJ tlbfunc.o)
+
+# bin2c srcfile_bin.o, eenull_bin.o
+set(ALARM_OBJ alarm.o)
+
+set(THREAD_OBJ _thread_internals.o iWakeupThread.o iRotateThreadReadyQueue.o iSuspendThread.o)
+
+set(SETUP_OBJ kCopy.o kCopyBytes.o)
+
+set(EXIT_OBJ _exit_internals.o SetArg.o Exit.o ExecPS2.o LoadExecPS2.o ExecOSD.o)
+
+set(TIMER_OBJ
+	timer_data.o
+	SetT2.o
+	SetT2_COUNT.o
+	SetT2_MODE.o
+	SetT2_COMP.o
+	InitTimer.o
+	EndTimer.o 
+	GetTimerPreScaleFactor.o
+	StartTimerSystemTime.o
+	StopTimerSystemTime.o
+	SetNextComp.o
+	InsertAlarm_ForTimer.o
+	UnlinkAlarm_ForTimer.o
+	TimerHandler_callback.o
+	iGetTimerSystemTime.o
+	GetTimerSystemTime.o
+	iAllocTimerCounter.o
+	AllocTimerCounter.o
+	iFreeTimerCounter.o
+	FreeTimerCounter.o
+	iGetTimerUsedUnusedCounters.o
+	GetTimerUsedUnusedCounters.o
+	iStartTimerCounter.o
+	StartTimerCounter.o
+	iStopTimerCounter.o
+	StopTimerCounter.o
+	SetTimerCount.o
+	iGetTimerBaseTime.o
+	GetTimerBaseTime.o
+	iGetTimerCount.o
+	GetTimerCount.o
+	iSetTimerHandler.o
+	SetTimerHandler.o
+	TimerBusClock2USec.o
+	TimerUSec2BusClock.o
+	TimerBusClock2Freq.o
+	TimerFreq2BusClock.o
+	cpu_ticks.o
+)
+
+set(TIMER_ALARM_OBJ
+	alarm_data.o
+	ForTimer_InitAlarm.o
+	AlarmHandler.o
+	iSetTimerAlarm.o
+	SetTimerAlarm.o
+	iReleaseTimerAlarm.o
+	ReleaseTimerAlarm.o
+)
+
+set(DELAYTHREAD_OBJ
+	DelayThread.o
+)
+
+set(GETKERNEL_OBJ GetSyscallHandler.o GetSyscall.o GetExceptionHandler.o GetInterruptHandler.o)
+
+set(INITSYS_OBJ _InitSys.o TerminateLibrary.o)
+
+set(KERNEL_UTIL_OBJS WaitSemaEx.o)
+
+set(KERNEL_OBJ ResetEE.o SetGsCrt.o ${EXEC_SYSCALLS}
+	RFU009.o AddSbusIntcHandler.o RemoveSbusIntcHandler.o Interrupt2Iop.o
+	SetVTLBRefillHandler.o SetVCommonHandler.o SetVInterruptHandler.o
+	AddIntcHandler.o AddIntcHandler2.o RemoveIntcHandler.o AddDmacHandler.o AddDmacHandler2.o
+	RemoveDmacHandler.o _EnableIntc.o _DisableIntc.o _EnableDmac.o _DisableDmac.o
+	${ALARM_SYSCALLS} _iEnableIntc.o _iDisableIntc.o _iEnableDmac.o
+	_iDisableDmac.o ${ALARM_INTR_SYSCALLS} CreateThread.o DeleteThread.o
+	StartThread.o ExitThread.o ExitDeleteThread.o TerminateThread.o
+	iTerminateThread.o DisableDispatchThread.o EnableDispatchThread.o
+	ChangeThreadPriority.o iChangeThreadPriority.o RotateThreadReadyQueue.o
+	${ROTATE_THREAD_READY_QUEUE_SYSCALL} ReleaseWaitThread.o iReleaseWaitThread.o
+	GetThreadId.o _iGetThreadId.o ReferThreadStatus.o iReferThreadStatus.o SleepThread.o
+	WakeupThread.o ${IWAKEUP_THREAD_SYSCALL} CancelWakeupThread.o iCancelWakeupThread.o
+	SuspendThread.o ${ISUSPEND_THREAD_SYSCALL} ResumeThread.o iResumeThread.o
+	RFU059.o RFU060.o SetupThread.o RFU061.o SetupHeap.o EndOfHeap.o CreateSema.o DeleteSema.o
+	iSignalSema.o SignalSema.o WaitSema.o PollSema.o iPollSema.o
+	ReferSemaStatus.o iReferSemaStatus.o iDeleteSema.o SetOsdConfigParam.o
+	GetOsdConfigParam.o GetGsHParam.o GetGsVParam.o SetGsHParam.o
+	SetGsVParam.o CreateEventFlag.o DeleteEventFlag.o SetEventFlag.o
+	iSetEventFlag.o ${TLB_SYSCALLS}
+	EnableIntcHandler.o iEnableIntcHandler.o DisableIntcHandler.o iDisableIntcHandler.o
+	EnableDmacHandler.o iEnableDmacHandler.o DisableDmacHandler.o iDisableDmacHandler.o
+	KSeg0.o EnableCache.o DisableCache.o GetCop0.o FlushCache.o CpuConfig.o
+	iGetCop0.o iFlushCache.o RFU105.o iCpuConfig.o SifStopDma.o
+	SetCPUTimerHandler.o SetCPUTimer.o SetOsdConfigParam2.o
+	GetOsdConfigParam2.o GsGetIMR.o iGsGetIMR.o GsPutIMR.o iGsPutIMR.o
+	SetPgifHandler.o SetVSyncFlag.o SetSyscall.o SifDmaStat.o iSifDmaStat.o
+	SifSetDma.o iSifSetDma.o SifSetDChain.o iSifSetDChain.o SifSetReg.o
+	SifGetReg.o ${EXECOSD_SYSCALL} Deci2Call.o PSMode.o MachineType.o GetMemorySize.o _GetGsDxDyOffset.o
+	_InitTLB.o SetMemoryMode.o
+	SifWriteBackDCache.o _SyncDCache.o _InvalidDCache.o __errno.o errno.o
+	strncpy.o strlen.o memcpy.o memset.o __syscall.o GPfuncs.o _print.o
+)
+
+function(compile_multiple target objects srcfile)
+    foreach(obj ${objects})
+        add_library(${obj} OBJECT ${srcfile})
+        set_target_properties(${obj} PROPERTIES LINKER_LANGUAGE C)
+        get_filename_component(def ${obj} NAME_WLE)
+        target_compile_definitions(${obj} PUBLIC "F_${def}")
+        target_link_libraries(${target} private ${obj})
+    endforeach()
+endfunction()
+
+add_library(kernel)
+compile_multiple(kernel "${SIFCMD_OBJ}" src/sifcmd.c)
+compile_multiple(kernel "${SIFRPC_OBJ}" src/sifrpc.c)
+compile_multiple(kernel "${FILEIO_OBJ}" src/fileio.c)
+compile_multiple(kernel "${LOADFILE_OBJ}" src/loadfile.c)
+compile_multiple(kernel "${IOPHEAP_OBJ}" src/iopheap.c)
+compile_multiple(kernel "${IOPCONTROL_OBJ}" src/iopcontrol.c)
+compile_multiple(kernel "${GLUE_OBJ}" src/glue.c)
+compile_multiple(kernel "${SIO_OBJ}" src/sio.c)
+compile_multiple(kernel "${ROM0_OBJ}" src/rom0_info.c)
+compile_multiple(kernel "${CONFIG_OBJ}" src/osd_config.c)
+compile_multiple(kernel "${LIBOSD_OBJ}" src/libosd.c)
+compile_multiple(kernel "${TLBFUNC_OBJ}" src/tlbfunc.c)
+compile_multiple(kernel "${ALARM_OBJ}" src/alarm.c)
+compile_multiple(kernel "${THREAD_OBJ}" src/thread.c)
+compile_multiple(kernel "${SETUP_OBJ}" src/setup.c)
+compile_multiple(kernel "${EXIT_OBJ}" src/exit.c)
+compile_multiple(kernel "${TIMER_OBJ}" src/timer.c)
+compile_multiple(kernel "${TIMER_ALARM_OBJ}" src/timer_alarm.c)
+compile_multiple(kernel "${DELAYTHREAD_OBJ}" src/delaythread.c)
+compile_multiple(kernel "${GETKERNEL_OBJ}" src/getkernel.c)
+compile_multiple(kernel "${INITSYS_OBJ}" src/initsys.c)
+compile_multiple(kernel "${KERNEL_UTIL_OBJ}" src/kernel_util.c)
+compile_multiple(kernel "${KERNEL_OBJ}" src/kernel.S)
+target_sources(kernel PRIVATE src/setup_syscalls.S src/debug.c)
+
+install(TARGETS kernel)
\ No newline at end of file
diff --git a/iop/CMakeLists.txt b/iop/CMakeLists.txt
new file mode 100644
index 000000000000..e69de29bb2d1
diff --git a/tools/CMakeLists.txt b/tools/CMakeLists.txt
new file mode 100644
index 000000000000..5a85e4a956af
--- /dev/null
+++ b/tools/CMakeLists.txt
@@ -0,0 +1,9 @@
+cmake_minimum_required(VERSION 3.10)
+project(ps2sdk-tools)
+
+add_subdirectory(adpenc)
+add_subdirectory(bin2c)
+add_subdirectory(gensymtab)
+add_subdirectory(ps2-irxgen)
+add_subdirectory(ps2adpcm)
+add_subdirectory(romimg)
\ No newline at end of file
diff --git a/tools/adpenc/CMakeLists.txt b/tools/adpenc/CMakeLists.txt
new file mode 100644
index 000000000000..876635c5f23d
--- /dev/null
+++ b/tools/adpenc/CMakeLists.txt
@@ -0,0 +1,2 @@
+add_executable(adpenc src/adpcm.c src/main.c)
+install(TARGETS adpenc)
\ No newline at end of file
diff --git a/tools/bin2c/CMakeLists.txt b/tools/bin2c/CMakeLists.txt
new file mode 100644
index 000000000000..b231c8b7c939
--- /dev/null
+++ b/tools/bin2c/CMakeLists.txt
@@ -0,0 +1,2 @@
+add_executable(bin2c src/bin2c.c)
+install(TARGETS bin2c)
\ No newline at end of file
diff --git a/tools/gensymtab/CMakeLists.txt b/tools/gensymtab/CMakeLists.txt
new file mode 100644
index 000000000000..26a1ee0060df
--- /dev/null
+++ b/tools/gensymtab/CMakeLists.txt
@@ -0,0 +1,2 @@
+add_executable(gensymtab src/main.c)
+install(TARGETS gensymtab)
\ No newline at end of file
diff --git a/tools/ps2-irxgen/CMakeLists.txt b/tools/ps2-irxgen/CMakeLists.txt
new file mode 100644
index 000000000000..b082928663e2
--- /dev/null
+++ b/tools/ps2-irxgen/CMakeLists.txt
@@ -0,0 +1,2 @@
+add_executable(ps2-irxgen src/ps2-irxgen.c)
+install(TARGETS ps2-irxgen)
\ No newline at end of file
diff --git a/tools/ps2adpcm/CMakeLists.txt b/tools/ps2adpcm/CMakeLists.txt
new file mode 100644
index 000000000000..5cbc6a3f5594
--- /dev/null
+++ b/tools/ps2adpcm/CMakeLists.txt
@@ -0,0 +1,2 @@
+add_executable(ps2adpcm src/adpcm.c src/main.c)
+install(TARGETS ps2adpcm)
\ No newline at end of file
diff --git a/tools/romimg/CMakeLists.txt b/tools/romimg/CMakeLists.txt
new file mode 100644
index 000000000000..bcda68fb0867
--- /dev/null
+++ b/tools/romimg/CMakeLists.txt
@@ -0,0 +1,2 @@
+add_executable(romimg src/main.c src/platform.c src/romimg.c src/SonyRX.c)
+install(TARGETS romimg)
\ No newline at end of file