Messages in this thread Patch in this message | | | From | Jesse Taube <> | Subject | [PATCH v2 2/3] riscv: Kconfig: Allow RV32 to build with no MMU | Date | Sun, 12 Feb 2023 15:55:05 -0500 |
| |
From: Yimin Gu <ustcymgu@gmail.com>
Some RISC-V 32bit cores do not have an MMU, and the kernel should be able to build for them. This patch enables the RV32 to be built with no MMU support.
Signed-off-by: Yimin Gu <ustcymgu@gmail.com> CC: Jesse Taube <Mr.Bossman075@gmail.com> Tested-by: Waldemar Brodkorb <wbx@openadk.org> Signed-off-by: Jesse Taube <Mr.Bossman075@gmail.com> --- arch/riscv/Kconfig | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index 59d18881f35b..49759dbe6a8f 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -163,8 +163,8 @@ config MMU config PAGE_OFFSET hex - default 0xC0000000 if 32BIT - default 0x80000000 if 64BIT && !MMU + default 0xC0000000 if 32BIT && MMU + default 0x80000000 if !MMU default 0xff60000000000000 if 64BIT config KASAN_SHADOW_OFFSET @@ -262,7 +262,6 @@ config ARCH_RV32I select GENERIC_LIB_ASHRDI3 select GENERIC_LIB_LSHRDI3 select GENERIC_LIB_UCMPDI2 - select MMU config ARCH_RV64I bool "RV64I" -- 2.39.0
| |