Android Kernel logo

sudo apt install netpbm

在内核目录中 make menuconfigDevice Drivers ---->   Graphics support ---->选中 Bootup logo ----> Standard 224-color Linux logo

kernel-5.10/drivers/video/logo

kernel/drivers/video/logo/logo_linux_clut224.ppm

#png格式pngtopnm logo.png > logo.pnm

#bmp格式bmptopnm logo.bmp > logo.pnm

#下面步骤一致pnmquant 224 logo.pnm > logo224.pnmpnmtoplainpnm logo224.pnm > logo_linux_clut224.ppm

kernel/drivers/video/logo/logo_linux_clut224.ppm: Binary PNM is not supportedUse pnmnoraw(1) to convert it to ASCII PNM

pnmnoraw logo_linux_no_ascii_clut224.ppm > logo_linux_clut224.ppmpnmnoraw logo224.pnm > logo_linux_clut224.ppm

#bmptoppm linuxlogo.bmp > linuxlogo.ppm //生成ppm#ppmquant 224 linuxlogo.ppm > linuxlogo224.ppm //转换成224颜色#pnmnoraw linuxlogo224.ppm > linuxlogo224.ppm //转换成ascii格式

frameworks/base/cmds/bootanimation/BootAnimation.cpp