diff options
Diffstat (limited to 'arch/riscv/Kconfig')
| -rw-r--r-- | arch/riscv/Kconfig | 78 |
1 files changed, 48 insertions, 30 deletions
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index 9c687da7756d..c5e42cc37604 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -14,10 +14,11 @@ config RISCV def_bool y select ARCH_ENABLE_HUGEPAGE_MIGRATION if HUGETLB_PAGE && MIGRATION select ARCH_ENABLE_SPLIT_PMD_PTLOCK if PGTABLE_LEVELS > 2 + select ARCH_ENABLE_THP_MIGRATION if TRANSPARENT_HUGEPAGE select ARCH_HAS_BINFMT_FLAT select ARCH_HAS_CURRENT_STACK_POINTER - select ARCH_HAS_DEBUG_VM_PGTABLE select ARCH_HAS_DEBUG_VIRTUAL if MMU + select ARCH_HAS_DEBUG_VM_PGTABLE select ARCH_HAS_DEBUG_WX select ARCH_HAS_FORTIFY_SOURCE select ARCH_HAS_GCOV_PROFILE_ALL @@ -44,12 +45,14 @@ config RISCV select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU select ARCH_WANT_FRAME_POINTERS select ARCH_WANT_GENERAL_HUGETLB + select ARCH_WANT_HUGETLB_PAGE_OPTIMIZE_VMEMMAP select ARCH_WANT_HUGE_PMD_SHARE if 64BIT + select ARCH_WANT_LD_ORPHAN_WARN if !XIP_KERNEL select ARCH_WANTS_THP_SWAP if HAVE_ARCH_TRANSPARENT_HUGEPAGE select BINFMT_FLAT_NO_DATA_START_OFFSET if !MMU select BUILDTIME_TABLE_SORT if MMU - select CLONE_BACKWARDS select CLINT_TIMER if !MMU + select CLONE_BACKWARDS select COMMON_CLK select CPU_PM if CPU_IDLE select EDAC_SUPPORT @@ -84,16 +87,16 @@ config RISCV select HAVE_ARCH_MMAP_RND_BITS if MMU select HAVE_ARCH_MMAP_RND_COMPAT_BITS if COMPAT select HAVE_ARCH_SECCOMP_FILTER + select HAVE_ARCH_THREAD_STRUCT_WHITELIST select HAVE_ARCH_TRACEHOOK select HAVE_ARCH_TRANSPARENT_HUGEPAGE if 64BIT && MMU - select ARCH_ENABLE_THP_MIGRATION if TRANSPARENT_HUGEPAGE - select HAVE_ARCH_THREAD_STRUCT_WHITELIST select HAVE_ARCH_VMAP_STACK if MMU && 64BIT select HAVE_ASM_MODVERSIONS select HAVE_CONTEXT_TRACKING_USER select HAVE_DEBUG_KMEMLEAK select HAVE_DMA_CONTIGUOUS if MMU select HAVE_EBPF_JIT if MMU + select HAVE_FUNCTION_ARG_ACCESS_API select HAVE_FUNCTION_ERROR_INJECTION select HAVE_GCC_PLUGINS select HAVE_GENERIC_VDSO if MMU && 64BIT @@ -110,10 +113,9 @@ config RISCV select HAVE_PERF_USER_STACK_DUMP select HAVE_POSIX_CPU_TIMERS_TASK_WORK select HAVE_REGS_AND_STACK_ACCESS_API - select HAVE_FUNCTION_ARG_ACCESS_API + select HAVE_RSEQ select HAVE_STACKPROTECTOR select HAVE_SYSCALL_TRACEPOINTS - select HAVE_RSEQ select IRQ_DOMAIN select IRQ_FORCED_THREADING select MODULES_USE_ELF_RELA if MODULES @@ -137,7 +139,7 @@ config RISCV select HAVE_DYNAMIC_FTRACE_WITH_REGS if HAVE_DYNAMIC_FTRACE select HAVE_FTRACE_MCOUNT_RECORD if !XIP_KERNEL select HAVE_FUNCTION_GRAPH_TRACER - select HAVE_FUNCTION_TRACER if !XIP_KERNEL + select HAVE_FUNCTION_TRACER if !XIP_KERNEL && !PREEMPTION config ARCH_MMAP_RND_BITS_MIN default 18 if 64BIT @@ -234,9 +236,9 @@ config LOCKDEP_SUPPORT config RISCV_DMA_NONCOHERENT bool select ARCH_HAS_DMA_PREP_COHERENT - select ARCH_HAS_SYNC_DMA_FOR_DEVICE - select ARCH_HAS_SYNC_DMA_FOR_CPU select ARCH_HAS_SETUP_DMA_OPS + select ARCH_HAS_SYNC_DMA_FOR_CPU + select ARCH_HAS_SYNC_DMA_FOR_DEVICE select DMA_DIRECT_REMAP config AS_HAS_INSN @@ -351,11 +353,11 @@ endchoice config NUMA bool "NUMA Memory Allocation and Scheduler Support" depends on SMP && MMU + select ARCH_SUPPORTS_NUMA_BALANCING select GENERIC_ARCH_NUMA + select NEED_PER_CPU_EMBED_FIRST_CHUNK select OF_NUMA - select ARCH_SUPPORTS_NUMA_BALANCING select USE_PERCPU_NUMA_NODE_ID - select NEED_PER_CPU_EMBED_FIRST_CHUNK help Enable NUMA (Non-Uniform Memory Access) support. @@ -400,8 +402,8 @@ config RISCV_ISA_SVPBMT bool "SVPBMT extension support" depends on 64BIT && MMU depends on !XIP_KERNEL - select RISCV_ALTERNATIVE default y + select RISCV_ALTERNATIVE help Adds support to dynamically detect the presence of the SVPBMT ISA-extension (Supervisor-mode: page-based memory types) and @@ -415,20 +417,36 @@ config RISCV_ISA_SVPBMT If you don't know what to do here, say Y. -config TOOLCHAIN_HAS_ZICBOM +config TOOLCHAIN_HAS_ZBB bool default y - depends on !64BIT || $(cc-option,-mabi=lp64 -march=rv64ima_zicbom) - depends on !32BIT || $(cc-option,-mabi=ilp32 -march=rv32ima_zicbom) - depends on LLD_VERSION >= 150000 || LD_VERSION >= 23800 + depends on !64BIT || $(cc-option,-mabi=lp64 -march=rv64ima_zbb) + depends on !32BIT || $(cc-option,-mabi=ilp32 -march=rv32ima_zbb) + depends on LLD_VERSION >= 150000 || LD_VERSION >= 23900 + depends on AS_IS_GNU + +config RISCV_ISA_ZBB + bool "Zbb extension support for bit manipulation instructions" + depends on TOOLCHAIN_HAS_ZBB + depends on !XIP_KERNEL && MMU + select RISCV_ALTERNATIVE + default y + help + Adds support to dynamically detect the presence of the ZBB + extension (basic bit manipulation) and enable its usage. + + The Zbb extension provides instructions to accelerate a number + of bit-specific operations (count bit population, sign extending, + bitrotation, etc). + + If you don't know what to do here, say Y. config RISCV_ISA_ZICBOM bool "Zicbom extension support for non-coherent DMA operation" - depends on TOOLCHAIN_HAS_ZICBOM depends on !XIP_KERNEL && MMU - select RISCV_DMA_NONCOHERENT - select RISCV_ALTERNATIVE default y + select RISCV_ALTERNATIVE + select RISCV_DMA_NONCOHERENT help Adds support to dynamically detect the presence of the ZICBOM extension (Cache Block Management Operations) and enable its @@ -490,9 +508,9 @@ config RISCV_BOOT_SPINWAIT config KEXEC bool "Kexec system call" - select KEXEC_CORE - select HOTPLUG_CPU if SMP depends on MMU + select HOTPLUG_CPU if SMP + select KEXEC_CORE help kexec is a system call that implements the ability to shutdown your current kernel, and to start another kernel. It is like a reboot @@ -503,10 +521,10 @@ config KEXEC config KEXEC_FILE bool "kexec file based systmem call" + depends on 64BIT && MMU + select HAVE_IMA_KEXEC if IMA select KEXEC_CORE select KEXEC_ELF - select HAVE_IMA_KEXEC if IMA - depends on 64BIT && MMU help This is new version of kexec system call. This system call is file based and takes file descriptors as system call argument @@ -595,15 +613,15 @@ config EFI_STUB config EFI bool "UEFI runtime support" depends on OF && !XIP_KERNEL - select LIBFDT - select UCS2_STRING - select EFI_PARAMS_FROM_FDT - select EFI_STUB + depends on MMU + default y select EFI_GENERIC_STUB + select EFI_PARAMS_FROM_FDT select EFI_RUNTIME_WRAPPERS + select EFI_STUB + select LIBFDT select RISCV_ISA_C - depends on MMU - default y + select UCS2_STRING help This option provides support for runtime services provided by UEFI firmware (such as non-volatile variables, realtime @@ -682,8 +700,8 @@ config PORTABLE bool default !NONPORTABLE select EFI - select OF select MMU + select OF menu "Power management options" |