menu "Toolchain" config CFLAGS string "Additional C compiler flags" config CXXFLAGS string "Additional CXX compiler flags" config LDFLAGS string "Additional linker flags" endmenu menu "Target" choice prompt "Target architecture" config ARCH_i686 bool "i686" endchoice endmenu menu "Devices" config PIC_8259 bool "PIC 8259" depends on ARCH_i686 default y config UART_16550 bool "UART 16550" default y config VGA_TEXT_MODE bool "VGA (text mode)" default y config KB_PS2 bool "PS/2 keyboard" default y endmenu