打开ccache后编译android果然快很多。

make rk3188_sdk_defconfig

触摸屏有问题，然后再吧input底下的touchscreen 屏蔽掉

 

 

james@james-OptiPlex-380:~/android/RK3188_Pad/4.2.2_r1/kernel/arch/arm$ find -name *.o

./kernel/sched_clock.o

./kernel/fiq.o

./kernel/smp.o

./kernel/swp_emulate.o

./kernel/entry-common.o

./kernel/stacktrace.o

./kernel/module.o

./kernel/process.o

./kernel/entry-armv.o

./kernel/return_address.o

./kernel/traps.o

./kernel/built-in.o

./kernel/pmu.o

./kernel/irq.o

./kernel/smp_tlb.o

./kernel/debug.o

./kernel/head.o

./kernel/sleep.o

./kernel/signal.o

./kernel/armksyms.o

./kernel/ptrace.o

./kernel/time.o

./kernel/io.o

./kernel/sys_arm.o

./kernel/smp_scu.o

./kernel/init_task.o

./kernel/elf.o

./kernel/setup.o

./kernel/fiqasm.o

./kernel/unwind.o

./vfp/built-in.o

./vfp/vfpdouble.o

./vfp/vfp.o

./vfp/vfpsingle.o

./vfp/entry.o

./vfp/vfpmodule.o

./vfp/vfphw.o

./mm/pgd.o

./mm/context.o

./mm/mmu.o

./mm/flush.o

./mm/mmap.o

./mm/built-in.o

./mm/abort-ev7.o

./mm/highmem.o

./mm/proc-v7.o

./mm/iomap.o

./mm/cache-v7.o

./mm/ioremap.o

./mm/pabort-v7.o

./mm/extable.o

./mm/alignment.o

./mm/dma-mapping.o

./mm/cache-l2x0.o

./mm/idmap.o

./mm/tlb-v7.o

./mm/copypage-v6.o

./mm/fault-armv.o

./mm/init.o

./mm/vmregion.o

./mm/proc-syms.o

./mm/fault.o

./boot/compressed/head.o

./plat-rk/fiq.o

./plat-rk/ddr_freq.o

./plat-rk/mem_reserve.o

./plat-rk/usb_detect.o

./plat-rk/efuse.o

./plat-rk/built-in.o

./plat-rk/dma-pl330.o

./plat-rk/rk_timer.o

./plat-rk/rk_fiq_debugger.o

./plat-rk/cpu.o

./plat-rk/clock.o

./plat-rk/pwm.o

./plat-rk/config.o

./plat-rk/early_printk.o

./plat-rk/iomux.o

./plat-rk/last_log.o

./plat-rk/dvfs.o

./plat-rk/sram.o

./lib/csumpartialcopy.o

./lib/strrchr.o

./lib/memchr.o

./lib/io-writesw-armv4.o

./lib/memcpy.o

./lib/io-readsl.o

./lib/putuser.o

./lib/copy_from_user.o

./lib/io-readsw-armv4.o

./lib/testchangebit.o

./lib/memmove.o

./lib/clear_user.o

./lib/testsetbit.o

./lib/ashldi3.o

./lib/io-writesb.o

./lib/built-in.o

./lib/ucmpdi2.o

./lib/io-readsb.o

./lib/getuser.o

./lib/csumipv6.o

./lib/memzero.o

./lib/copy_to_user.o

./lib/changebit.o

./lib/sha1.o

./lib/csumpartial.o

./lib/backtrace.o

./lib/strnlen_user.o

./lib/io-writesl.o

./lib/muldi3.o

./lib/strncpy_from_user.o

./lib/delay.o

./lib/strchr.o

./lib/testclearbit.o

./lib/csumpartialcopyuser.o

./lib/div64.o

./lib/memset.o

./lib/setbit.o

./lib/ashrdi3.o

./lib/lib1funcs.o

./lib/lshrdi3.o

./lib/clearbit.o

./lib/copy_page.o

./lib/findbit.o

./mach-rk30/headsmp.o

./mach-rk30/cpuidle.o

./mach-rk30/common.o

./mach-rk30/ddr.o

./mach-rk30/pmu.o

./mach-rk30/platsmp.o

./mach-rk30/hotplug.o

./mach-rk30/pm.o

./mach-rk30/reset.o

./mach-rk30/devices.o

./mach-rk3188/board.o

./mach-rk3188/board-rk3188-sdk.o

./mach-rk3188/built-in.o

./mach-rk3188/clock_data.o

./mach-rk3188/rk_timer.o

./mach-rk3188/cpufreq.o

./mach-rk3188/io.o

./mach-rk3188/dvfs.o

./common/gic.o

./common/built-in.o

./common/fiq_glue.o

./common/fiq_debugger.o

./common/fiq_glue_setup.o

./common/pl330.o

 

确定关键修改代码为mach-rk3188/board-rk3188-sdk.c