[coreboot] how could i get the hexadecimal content in memory at address FFFF0000-FFFFFFF0?

[Star Liu]

I know from cpu manual that when machine starts, it executes
instruction at FFFFFFF0, and then execute some code at
FFFF0000-FFFFFFF0, i hope i can get these machine code directly from
my memory, any tool to help me display the hexadecimal or binary
content?

thanks!
-- 
Regards!
Star
Shanghai, China