On 07/31/2017 06:00 PM, Palmer Dabbelt wrote: > This patch contains all the build infastructure that actually enables > the RISC-V port. This includes Makefiles, linker scripts, and Kconfig > files. It also contains the only top-level change, which adds RISC-V to > the list of architectures that need a sed run to produce the ARCH > variable when building locally. > > Signed-off-by: Palmer Dabbelt <[email protected]> > --- > > diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig > new file mode 100644 > index 000000000000..9b7d077f40af > --- /dev/null > +++ b/arch/riscv/Kconfig > @@ -0,0 +1,275 @@ > +# > +# For a description of the syntax of this configuration file, > +# see Documentation/kbuild/kconfig-language.txt. > +#
[] drop the "default n" lines below: > +config CMDLINE_BOOL > + bool "Built-in kernel command line" > + default n > + help > + For most platforms, it is firmware or second stage bootloader > + that by default specifies the kernel command line options. > + However, it might be necessary or advantageous to either override > + the default kernel command line or add a few extra options to it. > + For such cases, this option allows hardcoding command line options > + directly into the kernel. > + > + For that, choose 'Y' here and fill in the extra boot parameters > + in CONFIG_CMDLINE. > + > + The built-in options will be concatenated to the default command > + line if CMDLINE_OVERRIDE is set to 'N'. Otherwise, the default > + command line will be ignored and replaced by the built-in string. > + > +config CMDLINE > + string "Built-in kernel command string" > + depends on CMDLINE_BOOL > + default "" > + help > + Supply command-line options at build time by entering them here. > + > +config CMDLINE_OVERRIDE > + bool "Built-in command line overrides bootloader arguments" > + default n > + depends on CMDLINE_BOOL > + help > + Set this option to 'Y' to have the kernel ignore the bootloader > + or firmware command line. Instead, the built-in command line > + will be used exclusively. > + > + If you don't know what to do here, say N. -- ~Randy
