ld -Ttext 0 -e _start -s -o multiboot.img multiboot.o ld -Ttext 0 -e _start -s -o linuxboot.img linuxboot.o ld -Ttext 0 -e _start -s -o kvmvapic.img kvmvapic.o objcopy -O binary -j .text multiboot.img multiboot.raw objcopy -O binary -j .text linuxboot.img linuxboot.raw objcopy -O binary -j .text kvmvapic.img kvmvapic.raw
tc-export LD OBJCOPY in src_prepare will solve this issue.
Fixed in tree.