| Kconfig (c12d3362a74bf0cd9e1d488918d40607b62a3104) | Kconfig (6bd33e1ece528f67646db33bf97406b747dafda0) |
|---|---|
| 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 --- 12 unchanged lines hidden (view full) --- 21 select ARCH_WANT_FRAME_POINTERS 22 select CLONE_BACKWARDS 23 select COMMON_CLK 24 select GENERIC_CLOCKEVENTS 25 select GENERIC_CPU_DEVICES 26 select GENERIC_IRQ_SHOW 27 select GENERIC_PCI_IOMAP 28 select GENERIC_SCHED_CLOCK | 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 --- 12 unchanged lines hidden (view full) --- 21 select ARCH_WANT_FRAME_POINTERS 22 select CLONE_BACKWARDS 23 select COMMON_CLK 24 select GENERIC_CLOCKEVENTS 25 select GENERIC_CPU_DEVICES 26 select GENERIC_IRQ_SHOW 27 select GENERIC_PCI_IOMAP 28 select GENERIC_SCHED_CLOCK |
| 29 select GENERIC_STRNCPY_FROM_USER 30 select GENERIC_STRNLEN_USER | 29 select GENERIC_STRNCPY_FROM_USER if MMU 30 select GENERIC_STRNLEN_USER if MMU |
| 31 select GENERIC_SMP_IDLE_THREAD 32 select GENERIC_ATOMIC64 if !64BIT 33 select HAVE_ARCH_AUDITSYSCALL 34 select HAVE_ASM_MODVERSIONS 35 select HAVE_MEMBLOCK_NODE_MAP | 31 select GENERIC_SMP_IDLE_THREAD 32 select GENERIC_ATOMIC64 if !64BIT 33 select HAVE_ARCH_AUDITSYSCALL 34 select HAVE_ASM_MODVERSIONS 35 select HAVE_MEMBLOCK_NODE_MAP |
| 36 select HAVE_DMA_CONTIGUOUS | 36 select HAVE_DMA_CONTIGUOUS if MMU |
| 37 select HAVE_FUTEX_CMPXCHG if FUTEX 38 select HAVE_PERF_EVENTS 39 select HAVE_PERF_REGS 40 select HAVE_PERF_USER_STACK_DUMP 41 select HAVE_SYSCALL_TRACEPOINTS 42 select IRQ_DOMAIN 43 select SPARSE_IRQ 44 select SYSCTL_EXCEPTION_TRACE 45 select HAVE_ARCH_TRACEHOOK 46 select HAVE_PCI 47 select MODULES_USE_ELF_RELA if MODULES 48 select MODULE_SECTIONS if MODULES 49 select THREAD_INFO_IN_TASK 50 select PCI_DOMAINS_GENERIC if PCI 51 select PCI_MSI if PCI 52 select RISCV_TIMER | 37 select HAVE_FUTEX_CMPXCHG if FUTEX 38 select HAVE_PERF_EVENTS 39 select HAVE_PERF_REGS 40 select HAVE_PERF_USER_STACK_DUMP 41 select HAVE_SYSCALL_TRACEPOINTS 42 select IRQ_DOMAIN 43 select SPARSE_IRQ 44 select SYSCTL_EXCEPTION_TRACE 45 select HAVE_ARCH_TRACEHOOK 46 select HAVE_PCI 47 select MODULES_USE_ELF_RELA if MODULES 48 select MODULE_SECTIONS if MODULES 49 select THREAD_INFO_IN_TASK 50 select PCI_DOMAINS_GENERIC if PCI 51 select PCI_MSI if PCI 52 select RISCV_TIMER |
| 53 select UACCESS_MEMCPY if !MMU |
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| 53 select GENERIC_IRQ_MULTI_HANDLER 54 select GENERIC_ARCH_TOPOLOGY if SMP 55 select ARCH_HAS_PTE_SPECIAL 56 select ARCH_HAS_MMIOWB 57 select HAVE_EBPF_JIT if 64BIT 58 select EDAC_SUPPORT 59 select ARCH_HAS_GIGANTIC_PAGE 60 select ARCH_WANT_HUGE_PMD_SHARE if 64BIT 61 select SPARSEMEM_STATIC if 32BIT 62 select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU | 54 select GENERIC_IRQ_MULTI_HANDLER 55 select GENERIC_ARCH_TOPOLOGY if SMP 56 select ARCH_HAS_PTE_SPECIAL 57 select ARCH_HAS_MMIOWB 58 select HAVE_EBPF_JIT if 64BIT 59 select EDAC_SUPPORT 60 select ARCH_HAS_GIGANTIC_PAGE 61 select ARCH_WANT_HUGE_PMD_SHARE if 64BIT 62 select SPARSEMEM_STATIC if 32BIT 63 select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU |
| 63 select HAVE_ARCH_MMAP_RND_BITS | 64 select HAVE_ARCH_MMAP_RND_BITS if MMU |
| 64 65config ARCH_MMAP_RND_BITS_MIN 66 default 18 if 64BIT 67 default 8 68 69# max bits determined by the following formula: 70# VA_BITS - PAGE_SHIFT - 3 71config ARCH_MMAP_RND_BITS_MAX 72 default 24 if 64BIT # SV39 based 73 default 17 74 | 65 66config ARCH_MMAP_RND_BITS_MIN 67 default 18 if 64BIT 68 default 8 69 70# max bits determined by the following formula: 71# VA_BITS - PAGE_SHIFT - 3 72config ARCH_MMAP_RND_BITS_MAX 73 default 24 if 64BIT # SV39 based 74 default 17 75 |
| 76# set if we run in machine mode, cleared if we run in supervisor mode 77config RISCV_M_MODE 78 bool 79 default !MMU 80 81# set if we are running in S-mode and can use SBI calls 82config RISCV_SBI 83 bool 84 depends on !RISCV_M_MODE 85 default y 86 |
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| 75config MMU | 87config MMU |
| 76 def_bool y | 88 bool "MMU-based Paged Memory Management Support" 89 default y 90 help 91 Select if you want MMU-based virtualised addressing space 92 support by paged memory management. If unsure, say 'Y'. |
| 77 78config ZONE_DMA32 79 bool 80 default y if 64BIT 81 82config VA_BITS 83 int 84 default 32 if 32BIT 85 default 39 if 64BIT 86 87config PA_BITS 88 int 89 default 34 if 32BIT 90 default 56 if 64BIT 91 92config PAGE_OFFSET 93 hex 94 default 0xC0000000 if 32BIT && MAXPHYSMEM_2GB | 93 94config ZONE_DMA32 95 bool 96 default y if 64BIT 97 98config VA_BITS 99 int 100 default 32 if 32BIT 101 default 39 if 64BIT 102 103config PA_BITS 104 int 105 default 34 if 32BIT 106 default 56 if 64BIT 107 108config PAGE_OFFSET 109 hex 110 default 0xC0000000 if 32BIT && MAXPHYSMEM_2GB |
| 111 default 0x80000000 if 64BIT && !MMU |
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| 95 default 0xffffffff80000000 if 64BIT && MAXPHYSMEM_2GB 96 default 0xffffffe000000000 if 64BIT && MAXPHYSMEM_128GB 97 98config ARCH_FLATMEM_ENABLE 99 def_bool y 100 101config ARCH_SPARSEMEM_ENABLE 102 def_bool y --- 27 unchanged lines hidden (view full) --- 130 131config GENERIC_CSUM 132 def_bool y 133 134config GENERIC_HWEIGHT 135 def_bool y 136 137config FIX_EARLYCON_MEM | 112 default 0xffffffff80000000 if 64BIT && MAXPHYSMEM_2GB 113 default 0xffffffe000000000 if 64BIT && MAXPHYSMEM_128GB 114 115config ARCH_FLATMEM_ENABLE 116 def_bool y 117 118config ARCH_SPARSEMEM_ENABLE 119 def_bool y --- 27 unchanged lines hidden (view full) --- 147 148config GENERIC_CSUM 149 def_bool y 150 151config GENERIC_HWEIGHT 152 def_bool y 153 154config FIX_EARLYCON_MEM |
| 138 def_bool y | 155 def_bool CONFIG_MMU |
| 139 140config PGTABLE_LEVELS 141 int 142 default 3 if 64BIT 143 default 2 144 145source "arch/riscv/Kconfig.socs" 146 --- 8 unchanged lines hidden (view full) --- 155 156config ARCH_RV32I 157 bool "RV32I" 158 select 32BIT 159 select GENERIC_LIB_ASHLDI3 160 select GENERIC_LIB_ASHRDI3 161 select GENERIC_LIB_LSHRDI3 162 select GENERIC_LIB_UCMPDI2 | 156 157config PGTABLE_LEVELS 158 int 159 default 3 if 64BIT 160 default 2 161 162source "arch/riscv/Kconfig.socs" 163 --- 8 unchanged lines hidden (view full) --- 172 173config ARCH_RV32I 174 bool "RV32I" 175 select 32BIT 176 select GENERIC_LIB_ASHLDI3 177 select GENERIC_LIB_ASHRDI3 178 select GENERIC_LIB_LSHRDI3 179 select GENERIC_LIB_UCMPDI2 |
| 180 select MMU |
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| 163 164config ARCH_RV64I 165 bool "RV64I" 166 select 64BIT | 181 182config ARCH_RV64I 183 bool "RV64I" 184 select 64BIT |
| 167 select ARCH_SUPPORTS_INT128 if CC_HAS_INT128 && GCC_VERSION >= 50000 | 185 select ARCH_SUPPORTS_INT128 if GCC_VERSION >= 50000 |
| 168 select HAVE_FUNCTION_TRACER 169 select HAVE_FUNCTION_GRAPH_TRACER 170 select HAVE_FTRACE_MCOUNT_RECORD | 186 select HAVE_FUNCTION_TRACER 187 select HAVE_FUNCTION_GRAPH_TRACER 188 select HAVE_FTRACE_MCOUNT_RECORD |
| 171 select HAVE_DYNAMIC_FTRACE 172 select HAVE_DYNAMIC_FTRACE_WITH_REGS 173 select SWIOTLB | 189 select HAVE_DYNAMIC_FTRACE if MMU 190 select HAVE_DYNAMIC_FTRACE_WITH_REGS if HAVE_DYNAMIC_FTRACE 191 select SWIOTLB if MMU |
| 174 175endchoice 176 177# We must be able to map all physical memory into the kernel, but the compiler 178# is still a bit more efficient when generating code if it's setup in a manner 179# such that it can only map 2GiB of memory. 180choice 181 prompt "Kernel Code Model" --- 147 unchanged lines hidden --- | 192 193endchoice 194 195# We must be able to map all physical memory into the kernel, but the compiler 196# is still a bit more efficient when generating code if it's setup in a manner 197# such that it can only map 2GiB of memory. 198choice 199 prompt "Kernel Code Model" --- 147 unchanged lines hidden --- |