Lines Matching +full:hart +full:- +full:compatible
1 # SPDX-License-Identifier: GPL-2.0-only
4 # see Documentation/kbuild/kconfig-language.rst.
65 # LLD >= 14: https://github.com/llvm/llvm-project/issues/50505
220 # -Zsanitizer=shadow-call-stack flag.
230 depends on $(cc-option,-fpatchable-function-entry=8)
233 def_bool $(cc-option,-fsanitize=shadow-call-stack)
234 …# https://github.com/riscv-non-isa/riscv-elf-psabi-doc/commit/a484e843e6eeb51f0cb7b8819e50da6d2444…
235 depends on $(ld-option,--no-relax-gp)
239 # https://github.com/llvm/llvm-project/commit/6611d58f5bbcbec77262d392e2923e1d680f6985
242 # https://github.com/llvm/llvm-project/commit/bbc0f99f3bc96f1db16f649fc21dd18e5b0918f6
246 # https://github.com/llvm/llvm-project/commit/1df5ea29b43690b6622db2cad7b745607ca4de6a
248 # https://github.com/llvm/llvm-project/commit/7ffabb61a5569444b5ac9322e22e5471cc5e4a77
259 # VA_BITS - PAGE_SHIFT - 3
273 Select this option if you want to run the kernel in M-mode,
276 # set if we are running in S-mode and can use SBI calls
283 bool "MMU-based Paged Memory Management Support"
286 Select if you want MMU-based virtualised addressing space
364 This enables function pointer support for non-standard noncoherent
368 def_bool $(as-instr,.insn r 51$(comma) 0$(comma) 0$(comma) t0$(comma) t0$(comma) zero)
371 # https://github.com/llvm/llvm-project/commit/9e8ed3403c191ab9c4903e8eeb8f732ff8a43cb4
373 depends on $(as-instr, .option arch$(comma) +m)
381 bool "Allow configurations that result in non-portable kernels"
383 RISC-V kernel binaries are compatible between all known systems
438 bool "Symmetric Multi-Processing"
451 bool "Multi-core scheduler support"
454 Multi-core scheduler support improves the CPU scheduler's decision
455 making when dealing with multi-core CPU chips at a cost of slightly
459 int "Maximum number of CPUs (2-512)"
468 bool "Support for hot-pluggable CPUs"
499 Enable NUMA (Non-Uniform Memory Access) support.
514 prompt "RISC-V spinlock type"
588 Allow kernel to detect the Svnapot ISA-extension dynamically at boot
592 of contiguous virtual-to-physical translations for a naturally
593 aligned power-of-2 (NAPOT) granularity larger than the base 4KB page
602 bool "Svpbmt extension support for supervisor mode page-based memory types"
608 ISA-extension (Supervisor-mode: page-based memory types) and
615 The Svpbmt extension is only available on 64-bit cpus.
622 depends on !64BIT || $(cc-option,-mabi=lp64 -march=rv64imv)
623 depends on !32BIT || $(cc-option,-mabi=ilp32 -march=rv32imv)
659 bool "Run kernel-mode Vector with kernel preemption"
664 Usually, in-kernel SIMD routines are run with preemption disabled.
670 consumption due to the allocation of per-task's kernel Vector context.
678 which allow a hart to enter a low-power state or to trap to the
686 depends on !64BIT || $(cc-option,-mabi=lp64 -march=rv64ima_zabha)
687 depends on !32BIT || $(cc-option,-mabi=ilp32 -march=rv32ima_zabha)
696 Enable the use of the Zabha ISA-extension to implement kernel
704 depends on !64BIT || $(cc-option,-mabi=lp64 -march=rv64ima_zacas)
705 depends on !32BIT || $(cc-option,-mabi=ilp32 -march=rv32ima_zacas)
714 Enable the use of the Zacas ISA-extension to implement kernel atomic
722 depends on !64BIT || $(cc-option,-mabi=lp64 -march=rv64ima_zbb)
723 depends on !32BIT || $(cc-option,-mabi=ilp32 -march=rv32ima_zbb)
731 def_bool $(as-instr, .option arch$(comma) +v$(comma) +zvkb)
756 of bit-specific operations (count bit population, sign extending,
764 depends on !64BIT || $(cc-option,-mabi=lp64 -march=rv64ima_zbc)
765 depends on !32BIT || $(cc-option,-mabi=ilp32 -march=rv32ima_zbc)
770 bool "Zbc extension support for carry-less multiplication instructions"
777 extension (carry-less multiplication) and enable its usage.
785 bool "Zicbom extension support for non-coherent DMA operation"
797 non-coherent DMA support on devices that need it.
815 …# https://sourceware.org/git/?p=binutils-gdb.git;a=commit;h=aed44286efa8ae8717a77d94b51ac3614e2ca6…
819 Binutils-2.38 and GCC-12.1.0 bumped the default ISA spec to the newer
832 # https://github.com/llvm/llvm-project/commit/22e199e6afb1263c943c0c0d4498694e15bf8a16
837 -march. This option causes an older ISA spec compatible with these older
839 as passing zicsr and zifencei to -march.
845 Say N here if you want to disable all floating-point related procedure
860 int "Kernel stack size (in power-of-two numbers of page size)" if VMAP_STACK && EXPERT
992 deprecated in future once legacy M-mode software are no longer in use.
1003 scheme. It should be only enabled for M-mode Linux or platforms relying
1008 Since spinwait is incompatible with sparse hart IDs, it requires
1009 NR_CPUS be large enough to contain the physical hart ID of the first
1010 hart to enter Linux.
1044 bool "Kernel support for 32-bit U-mode"
1048 This option enables support for a 32-bit U-mode running under a 64-bit
1049 kernel at S-mode. riscv32-specific components such as system calls,
1053 If you want to execute 32-bit userspace applications, say Y.
1099 random u64 value in /chosen/kaslr-seed at kernel entry.
1113 string "Built-in kernel command line"
1116 are provided at run-time, during boot. However, there are cases
1120 When that occurs, it is possible to define a built-in command
1124 prompt "Built-in command line usage"
1128 Choose how the kernel will handle the provided built-in command
1134 Use the built-in command line as fallback in case we get nothing
1140 The command-line arguments provided during boot will be
1141 appended to the built-in command line. This is useful in
1148 Always use the built-in command line, even if we get one during
1173 by UEFI firmware (such as non-volatile variables, realtime
1187 continue to boot on existing non-UEFI platforms.
1190 …def_bool $(cc-option,-mstack-protector-guard=tls -mstack-protector-guard-reg=tp -mstack-protector-…
1208 explicitly specified to run early relocations of read-write data
1212 bool "Kernel Execute-In-Place from ROM"
1219 Execute-In-Place allows the kernel to run from non-volatile storage
1222 to RAM. Read-write sections, such as the data section and stack,
1262 Please see the dt-binding, located at
1264 on the replacement properties, "riscv,isa-base" and
1265 "riscv,isa-extensions".
1268 bool "Built-in device tree"
1277 string "Built-in device tree source"