+ "$kernel_start $kernel_size; env exists secureboot " \
+ "&& sf read $kernelheader_addr_r $kernelheader_start " \
+ "$kernelheader_size && esbc_validate ${kernelheader_addr_r}; " \
+ "bootm $load_addr#$board\0" \
+ "sd_bootcmd=echo Trying load from SD ..;" \
+ "mmcinfo; mmc read $load_addr " \
+ "$kernel_addr_sd $kernel_size_sd && " \
+ "env exists secureboot && mmc read $kernelheader_addr_r " \
+ "$kernelhdr_addr_sd $kernelhdr_size_sd " \
+ " && esbc_validate ${kernelheader_addr_r};" \
+ "bootm $load_addr#$board\0"