[Buildroot] [PATCH v4 3/9] arch/config: Make RISC-V 64-bits MMU optional
From: Damien Le Moal <hidden>
Date: 2021-08-30 04:42:01
Subsystem:
the rest · Maintainer:
Linus Torvalds
Linux supports No-MMU RISC-V 64-bits since kernel version 5.8. Make MMU optional to enable building for RISC-V 64-bits boards that do not have one. MMU use of RISC-V 32-bits builds remains mandatory for now. Signed-off-by: Damien Le Moal <redacted> Reviewed-by: Alistair Francis <redacted> --- arch/Config.in | 1 - arch/Config.in.riscv | 2 ++ 2 files changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/Config.in b/arch/Config.in
index 1853e26bb4..2e95b6e76c 100644
--- a/arch/Config.in
+++ b/arch/Config.in@@ -210,7 +210,6 @@ config BR2_powerpc64le config BR2_riscv bool "RISCV" - select BR2_ARCH_HAS_MMU_MANDATORY select BR2_ARCH_NEEDS_GCC_AT_LEAST_7 help RISC-V is an open, free Instruction Set Architecture created
diff --git a/arch/Config.in.riscv b/arch/Config.in.riscv
index 1fc20e5de7..e6436d7c39 100644
--- a/arch/Config.in.riscv
+++ b/arch/Config.in.riscv@@ -71,10 +71,12 @@ choice config BR2_RISCV_32 bool "32-bit" + select BR2_ARCH_HAS_MMU_MANDATORY config BR2_RISCV_64 bool "64-bit" select BR2_ARCH_IS_64 + select BR2_ARCH_HAS_MMU_OPTIONAL endchoice
--
2.31.1
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