| Kconfig (0bfbc914d9433d8ac2763a9ce99ce7721ee5c8e0) | Kconfig (77acc6b55ae46f52bfa4eca52c9fe627f5c3ba3f) |
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| 1# SPDX-License-Identifier: GPL-2.0-only 2# 3# For a description of the syntax of this configuration file, 4# see Documentation/kbuild/kconfig-language.rst. 5# 6 7config 64BIT 8 bool --- 9 unchanged lines hidden (view full) --- 18 select ARCH_ENABLE_HUGEPAGE_MIGRATION if HUGETLB_PAGE && MIGRATION 19 select ARCH_ENABLE_SPLIT_PMD_PTLOCK if PGTABLE_LEVELS > 2 20 select ARCH_ENABLE_THP_MIGRATION if TRANSPARENT_HUGEPAGE 21 select ARCH_HAS_BINFMT_FLAT 22 select ARCH_HAS_CURRENT_STACK_POINTER 23 select ARCH_HAS_DEBUG_VIRTUAL if MMU 24 select ARCH_HAS_DEBUG_VM_PGTABLE 25 select ARCH_HAS_DEBUG_WX | 1# SPDX-License-Identifier: GPL-2.0-only 2# 3# For a description of the syntax of this configuration file, 4# see Documentation/kbuild/kconfig-language.rst. 5# 6 7config 64BIT 8 bool --- 9 unchanged lines hidden (view full) --- 18 select ARCH_ENABLE_HUGEPAGE_MIGRATION if HUGETLB_PAGE && MIGRATION 19 select ARCH_ENABLE_SPLIT_PMD_PTLOCK if PGTABLE_LEVELS > 2 20 select ARCH_ENABLE_THP_MIGRATION if TRANSPARENT_HUGEPAGE 21 select ARCH_HAS_BINFMT_FLAT 22 select ARCH_HAS_CURRENT_STACK_POINTER 23 select ARCH_HAS_DEBUG_VIRTUAL if MMU 24 select ARCH_HAS_DEBUG_VM_PGTABLE 25 select ARCH_HAS_DEBUG_WX |
| 26 select ARCH_HAS_FAST_MULTIPLIER | |
| 27 select ARCH_HAS_FORTIFY_SOURCE 28 select ARCH_HAS_GCOV_PROFILE_ALL 29 select ARCH_HAS_GIGANTIC_PAGE 30 select ARCH_HAS_KCOV | 26 select ARCH_HAS_FORTIFY_SOURCE 27 select ARCH_HAS_GCOV_PROFILE_ALL 28 select ARCH_HAS_GIGANTIC_PAGE 29 select ARCH_HAS_KCOV |
| 30 select ARCH_HAS_KERNEL_FPU_SUPPORT if 64BIT && FPU |
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| 31 select ARCH_HAS_MEMBARRIER_CALLBACKS 32 select ARCH_HAS_MEMBARRIER_SYNC_CORE 33 select ARCH_HAS_MMIOWB 34 select ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE 35 select ARCH_HAS_PMEM_API 36 select ARCH_HAS_PREPARE_SYNC_CORE_CMD 37 select ARCH_HAS_PTE_SPECIAL 38 select ARCH_HAS_SET_DIRECT_MAP if MMU --- 14 unchanged lines hidden (view full) --- 53 select ARCH_SUPPORTS_DEBUG_PAGEALLOC if MMU 54 select ARCH_SUPPORTS_HUGETLBFS if MMU 55 # LLD >= 14: https://github.com/llvm/llvm-project/issues/50505 56 select ARCH_SUPPORTS_LTO_CLANG if LLD_VERSION >= 140000 57 select ARCH_SUPPORTS_LTO_CLANG_THIN if LLD_VERSION >= 140000 58 select ARCH_SUPPORTS_PAGE_TABLE_CHECK if MMU 59 select ARCH_SUPPORTS_PER_VMA_LOCK if MMU 60 select ARCH_SUPPORTS_SHADOW_CALL_STACK if HAVE_SHADOW_CALL_STACK | 31 select ARCH_HAS_MEMBARRIER_CALLBACKS 32 select ARCH_HAS_MEMBARRIER_SYNC_CORE 33 select ARCH_HAS_MMIOWB 34 select ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE 35 select ARCH_HAS_PMEM_API 36 select ARCH_HAS_PREPARE_SYNC_CORE_CMD 37 select ARCH_HAS_PTE_SPECIAL 38 select ARCH_HAS_SET_DIRECT_MAP if MMU --- 14 unchanged lines hidden (view full) --- 53 select ARCH_SUPPORTS_DEBUG_PAGEALLOC if MMU 54 select ARCH_SUPPORTS_HUGETLBFS if MMU 55 # LLD >= 14: https://github.com/llvm/llvm-project/issues/50505 56 select ARCH_SUPPORTS_LTO_CLANG if LLD_VERSION >= 140000 57 select ARCH_SUPPORTS_LTO_CLANG_THIN if LLD_VERSION >= 140000 58 select ARCH_SUPPORTS_PAGE_TABLE_CHECK if MMU 59 select ARCH_SUPPORTS_PER_VMA_LOCK if MMU 60 select ARCH_SUPPORTS_SHADOW_CALL_STACK if HAVE_SHADOW_CALL_STACK |
| 61 select ARCH_USE_CMPXCHG_LOCKREF if 64BIT | |
| 62 select ARCH_USE_MEMTEST 63 select ARCH_USE_QUEUED_RWLOCKS 64 select ARCH_USES_CFI_TRAPS if CFI_CLANG | 61 select ARCH_USE_MEMTEST 62 select ARCH_USE_QUEUED_RWLOCKS 63 select ARCH_USES_CFI_TRAPS if CFI_CLANG |
| 65 select ARCH_WANT_BATCHED_UNMAP_TLB_FLUSH if MMU | 64 select ARCH_WANT_BATCHED_UNMAP_TLB_FLUSH if SMP && MMU |
| 66 select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU 67 select ARCH_WANT_FRAME_POINTERS 68 select ARCH_WANT_GENERAL_HUGETLB if !RISCV_ISA_SVNAPOT 69 select ARCH_WANT_HUGE_PMD_SHARE if 64BIT 70 select ARCH_WANT_LD_ORPHAN_WARN if !XIP_KERNEL 71 select ARCH_WANT_OPTIMIZE_HUGETLB_VMEMMAP 72 select ARCH_WANTS_NO_INSTR 73 select ARCH_WANTS_THP_SWAP if HAVE_ARCH_TRANSPARENT_HUGEPAGE 74 select BINFMT_FLAT_NO_DATA_START_OFFSET if !MMU 75 select BUILDTIME_TABLE_SORT if MMU | 65 select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU 66 select ARCH_WANT_FRAME_POINTERS 67 select ARCH_WANT_GENERAL_HUGETLB if !RISCV_ISA_SVNAPOT 68 select ARCH_WANT_HUGE_PMD_SHARE if 64BIT 69 select ARCH_WANT_LD_ORPHAN_WARN if !XIP_KERNEL 70 select ARCH_WANT_OPTIMIZE_HUGETLB_VMEMMAP 71 select ARCH_WANTS_NO_INSTR 72 select ARCH_WANTS_THP_SWAP if HAVE_ARCH_TRANSPARENT_HUGEPAGE 73 select BINFMT_FLAT_NO_DATA_START_OFFSET if !MMU 74 select BUILDTIME_TABLE_SORT if MMU |
| 76 select CLINT_TIMER if RISCV_M_MODE | 75 select CLINT_TIMER if !MMU |
| 77 select CLONE_BACKWARDS 78 select COMMON_CLK 79 select CPU_PM if CPU_IDLE || HIBERNATION || SUSPEND 80 select EDAC_SUPPORT 81 select FRAME_POINTER if PERF_EVENTS || (FUNCTION_TRACER && !DYNAMIC_FTRACE) 82 select FTRACE_MCOUNT_USE_PATCHABLE_FUNCTION_ENTRY if DYNAMIC_FTRACE 83 select GENERIC_ARCH_TOPOLOGY 84 select GENERIC_ATOMIC64 if !64BIT --- 67 unchanged lines hidden (view full) --- 152 select HAVE_PERF_EVENTS 153 select HAVE_PERF_REGS 154 select HAVE_PERF_USER_STACK_DUMP 155 select HAVE_POSIX_CPU_TIMERS_TASK_WORK 156 select HAVE_PREEMPT_DYNAMIC_KEY if !XIP_KERNEL 157 select HAVE_REGS_AND_STACK_ACCESS_API 158 select HAVE_RETHOOK if !XIP_KERNEL 159 select HAVE_RSEQ | 76 select CLONE_BACKWARDS 77 select COMMON_CLK 78 select CPU_PM if CPU_IDLE || HIBERNATION || SUSPEND 79 select EDAC_SUPPORT 80 select FRAME_POINTER if PERF_EVENTS || (FUNCTION_TRACER && !DYNAMIC_FTRACE) 81 select FTRACE_MCOUNT_USE_PATCHABLE_FUNCTION_ENTRY if DYNAMIC_FTRACE 82 select GENERIC_ARCH_TOPOLOGY 83 select GENERIC_ATOMIC64 if !64BIT --- 67 unchanged lines hidden (view full) --- 151 select HAVE_PERF_EVENTS 152 select HAVE_PERF_REGS 153 select HAVE_PERF_USER_STACK_DUMP 154 select HAVE_POSIX_CPU_TIMERS_TASK_WORK 155 select HAVE_PREEMPT_DYNAMIC_KEY if !XIP_KERNEL 156 select HAVE_REGS_AND_STACK_ACCESS_API 157 select HAVE_RETHOOK if !XIP_KERNEL 158 select HAVE_RSEQ |
| 160 select HAVE_RUST if 64BIT | |
| 161 select HAVE_SAMPLE_FTRACE_DIRECT 162 select HAVE_SAMPLE_FTRACE_DIRECT_MULTI 163 select HAVE_STACKPROTECTOR 164 select HAVE_SYSCALL_TRACEPOINTS 165 select HOTPLUG_CORE_SYNC_DEAD if HOTPLUG_CPU 166 select IRQ_DOMAIN 167 select IRQ_FORCED_THREADING 168 select KASAN_VMALLOC if KASAN --- 60 unchanged lines hidden (view full) --- 229 default 24 if 64BIT # SV39 based 230 default 17 231 232config ARCH_MMAP_RND_COMPAT_BITS_MAX 233 default 17 234 235# set if we run in machine mode, cleared if we run in supervisor mode 236config RISCV_M_MODE | 159 select HAVE_SAMPLE_FTRACE_DIRECT 160 select HAVE_SAMPLE_FTRACE_DIRECT_MULTI 161 select HAVE_STACKPROTECTOR 162 select HAVE_SYSCALL_TRACEPOINTS 163 select HOTPLUG_CORE_SYNC_DEAD if HOTPLUG_CPU 164 select IRQ_DOMAIN 165 select IRQ_FORCED_THREADING 166 select KASAN_VMALLOC if KASAN --- 60 unchanged lines hidden (view full) --- 227 default 24 if 64BIT # SV39 based 228 default 17 229 230config ARCH_MMAP_RND_COMPAT_BITS_MAX 231 default 17 232 233# set if we run in machine mode, cleared if we run in supervisor mode 234config RISCV_M_MODE |
| 237 bool "Build a kernel that runs in machine mode" 238 depends on !MMU 239 default y 240 help 241 Select this option if you want to run the kernel in M-mode, 242 without the assistance of any other firmware. | 235 bool 236 default !MMU |
| 243 244# set if we are running in S-mode and can use SBI calls 245config RISCV_SBI 246 bool 247 depends on !RISCV_M_MODE 248 default y 249 250config MMU 251 bool "MMU-based Paged Memory Management Support" 252 default y 253 help 254 Select if you want MMU-based virtualised addressing space 255 support by paged memory management. If unsure, say 'Y'. 256 257config PAGE_OFFSET 258 hex | 237 238# set if we are running in S-mode and can use SBI calls 239config RISCV_SBI 240 bool 241 depends on !RISCV_M_MODE 242 default y 243 244config MMU 245 bool "MMU-based Paged Memory Management Support" 246 default y 247 help 248 Select if you want MMU-based virtualised addressing space 249 support by paged memory management. If unsure, say 'Y'. 250 251config PAGE_OFFSET 252 hex |
| 259 default 0x80000000 if !MMU && RISCV_M_MODE 260 default 0x80200000 if !MMU 261 default 0xc0000000 if 32BIT | 253 default 0xC0000000 if 32BIT && MMU 254 default 0x80000000 if !MMU |
| 262 default 0xff60000000000000 if 64BIT 263 264config KASAN_SHADOW_OFFSET 265 hex 266 depends on KASAN_GENERIC 267 default 0xdfffffff00000000 if 64BIT 268 default 0xffffffff if 32BIT 269 --- 331 unchanged lines hidden (view full) --- 601# binutils added all except Zvkb, then added Zvkb. So we just check for Zvkb. 602config TOOLCHAIN_HAS_VECTOR_CRYPTO 603 def_bool $(as-instr, .option arch$(comma) +v$(comma) +zvkb) 604 depends on AS_HAS_OPTION_ARCH 605 606config RISCV_ISA_ZBB 607 bool "Zbb extension support for bit manipulation instructions" 608 depends on TOOLCHAIN_HAS_ZBB | 255 default 0xff60000000000000 if 64BIT 256 257config KASAN_SHADOW_OFFSET 258 hex 259 depends on KASAN_GENERIC 260 default 0xdfffffff00000000 if 64BIT 261 default 0xffffffff if 32BIT 262 --- 331 unchanged lines hidden (view full) --- 594# binutils added all except Zvkb, then added Zvkb. So we just check for Zvkb. 595config TOOLCHAIN_HAS_VECTOR_CRYPTO 596 def_bool $(as-instr, .option arch$(comma) +v$(comma) +zvkb) 597 depends on AS_HAS_OPTION_ARCH 598 599config RISCV_ISA_ZBB 600 bool "Zbb extension support for bit manipulation instructions" 601 depends on TOOLCHAIN_HAS_ZBB |
| 602 depends on MMU |
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| 609 depends on RISCV_ALTERNATIVE 610 default y 611 help 612 Adds support to dynamically detect the presence of the ZBB 613 extension (basic bit manipulation) and enable its usage. 614 615 The Zbb extension provides instructions to accelerate a number 616 of bit-specific operations (count bit population, sign extending, --- 15 unchanged lines hidden (view full) --- 632 633 The Zicbom extension can be used to handle for example 634 non-coherent DMA support on devices that need it. 635 636 If you don't know what to do here, say Y. 637 638config RISCV_ISA_ZICBOZ 639 bool "Zicboz extension support for faster zeroing of memory" | 603 depends on RISCV_ALTERNATIVE 604 default y 605 help 606 Adds support to dynamically detect the presence of the ZBB 607 extension (basic bit manipulation) and enable its usage. 608 609 The Zbb extension provides instructions to accelerate a number 610 of bit-specific operations (count bit population, sign extending, --- 15 unchanged lines hidden (view full) --- 626 627 The Zicbom extension can be used to handle for example 628 non-coherent DMA support on devices that need it. 629 630 If you don't know what to do here, say Y. 631 632config RISCV_ISA_ZICBOZ 633 bool "Zicboz extension support for faster zeroing of memory" |
| 634 depends on MMU |
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| 640 depends on RISCV_ALTERNATIVE 641 default y 642 help 643 Enable the use of the Zicboz extension (cbo.zero instruction) 644 when available. 645 646 The Zicboz extension is used for faster zeroing of memory. 647 --- 447 unchanged lines hidden --- | 635 depends on RISCV_ALTERNATIVE 636 default y 637 help 638 Enable the use of the Zicboz extension (cbo.zero instruction) 639 when available. 640 641 The Zicboz extension is used for faster zeroing of memory. 642 --- 447 unchanged lines hidden --- |