There is no CONFIG_64BITS Kconfig macro. Please see arch/riscv/Kconfig for details, e.g. linux$ git grep -HnA 1 "config 64BIT" arch/riscv/Kconfig arch/riscv/Kconfig:6:config 64BIT arch/riscv/Kconfig-7- bool Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com> Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
This patch contains code to manage the RISC-V MMU, including definitions of the page tables and the page walking code. Signed-off-by: Palmer Dabbelt <palmer@dabbelt.com>