1set default="0" 2set timeout="0" 3 4menuentry "Buildroot" { 5 # Grub2 supports ext4, load the kernel from the Linux rootfs partition 6 # Set root tells grub to search the 2nd partition for the bzImage 7 set root=(hd0,msdos2) 8 9 # Set Linux to boot from the 2nd partition, SD/MMC support is baked into the kernel 10 linux /boot/bzImage root=/dev/mmcblk0p2 rootwait console=ttyS1,115200n8 earlycon=uart8250,mmio32,0x9000b000,115200n8 reboot=efi,warm apic=debug rw 11} 12