Lines Matching +full:non +full:- +full:flash
1 # SPDX-License-Identifier: GPL-2.0-only
4 # see Documentation/kbuild/kconfig-language.rst.
66 # clang >= 17: https://github.com/llvm/llvm-project/commit/62fa708ceb027713b386c7e0efda994f8bdc27e2
71 # LLD >= 14: https://github.com/llvm/llvm-project/issues/50505
235 # -Zsanitizer=shadow-call-stack flag.
245 depends on $(cc-option,-fpatchable-function-entry=8)
249 def_bool $(cc-option,-fsanitize=shadow-call-stack)
250 …# https://github.com/riscv-non-isa/riscv-elf-psabi-doc/commit/a484e843e6eeb51f0cb7b8819e50da6d2444…
251 depends on $(ld-option,--no-relax-gp)
255 # https://github.com/llvm/llvm-project/commit/6611d58f5bbcbec77262d392e2923e1d680f6985
258 # https://github.com/llvm/llvm-project/commit/bbc0f99f3bc96f1db16f649fc21dd18e5b0918f6
262 # https://github.com/llvm/llvm-project/commit/1df5ea29b43690b6622db2cad7b745607ca4de6a
264 # https://github.com/llvm/llvm-project/commit/7ffabb61a5569444b5ac9322e22e5471cc5e4a77
275 # VA_BITS - PAGE_SHIFT - 3
289 Select this option if you want to run the kernel in M-mode,
292 # set if we are running in S-mode and can use SBI calls
299 bool "MMU-based Paged Memory Management Support"
302 Select if you want MMU-based virtualised addressing space
373 This enables function pointer support for non-standard noncoherent
377 def_bool $(as-instr,.insn r 51$(comma) 0$(comma) 0$(comma) t0$(comma) t0$(comma) zero)
380 # https://github.com/llvm/llvm-project/commit/9e8ed3403c191ab9c4903e8eeb8f732ff8a43cb4
382 depends on $(as-instr, .option arch$(comma) +m)
390 bool "Allow configurations that result in non-portable kernels"
392 RISC-V kernel binaries are compatible between all known systems
447 bool "Symmetric Multi-Processing"
460 bool "Multi-core scheduler support"
463 Multi-core scheduler support improves the CPU scheduler's decision
464 making when dealing with multi-core CPU chips at a cost of slightly
468 int "Maximum number of CPUs (2-512)"
477 bool "Support for hot-pluggable CPUs"
508 Enable NUMA (Non-Uniform Memory Access) support.
523 prompt "RISC-V spinlock type"
598 Enable support for the Svnapot ISA-extension when it is detected
602 of contiguous virtual-to-physical translations for a naturally
603 aligned power-of-2 (NAPOT) granularity larger than the base 4KB page
612 bool "Svpbmt extension support for supervisor mode page-based memory types"
617 Add support for the Svpbmt ISA-extension (Supervisor-mode:
618 page-based memory types) in the kernel when it is detected at boot.
624 The Svpbmt extension is only available on 64-bit cpus.
631 depends on !64BIT || $(cc-option,-mabi=lp64 -march=rv64imv)
632 depends on !32BIT || $(cc-option,-mabi=ilp32 -march=rv32imv)
669 bool "Run kernel-mode Vector with kernel preemption"
674 Usually, in-kernel SIMD routines are run with preemption disabled.
680 due to the allocation of per-task's kernel Vector context.
688 which allow a hart to enter a low-power state or to trap to the
696 depends on !64BIT || $(cc-option,-mabi=lp64 -march=rv64ima_zabha)
697 depends on !32BIT || $(cc-option,-mabi=ilp32 -march=rv32ima_zabha)
706 Enable the use of the Zabha ISA-extension to implement kernel
714 depends on !64BIT || $(cc-option,-mabi=lp64 -march=rv64ima_zacas)
715 depends on !32BIT || $(cc-option,-mabi=ilp32 -march=rv32ima_zacas)
724 Enable the use of the Zacas ISA-extension to implement kernel atomic
732 depends on !64BIT || $(cc-option,-mabi=lp64 -march=rv64ima_zbb)
733 depends on !32BIT || $(cc-option,-mabi=ilp32 -march=rv32ima_zbb)
741 def_bool $(as-instr, .option arch$(comma) +v$(comma) +zvkb)
747 depends on !64BIT || $(cc-option,-mabi=lp64 -march=rv64ima_zba)
748 depends on !32BIT || $(cc-option,-mabi=ilp32 -march=rv32ima_zba)
774 of bit-specific operations (count bit population, sign extending,
782 depends on !64BIT || $(cc-option,-mabi=lp64 -march=rv64ima_zbc)
783 depends on !32BIT || $(cc-option,-mabi=ilp32 -march=rv32ima_zbc)
788 bool "Zbc extension support for carry-less multiplication instructions"
795 extension (carry-less multiplication) and enable its usage.
805 depends on !64BIT || $(cc-option,-mabi=lp64 -march=rv64ima_zbkb)
806 depends on !32BIT || $(cc-option,-mabi=ilp32 -march=rv32ima_zbkb)
825 bool "Zicbom extension support for non-coherent DMA operation"
837 non-coherent DMA support on devices that need it.
870 …# https://sourceware.org/git/?p=binutils-gdb.git;a=commit;h=aed44286efa8ae8717a77d94b51ac3614e2ca6…
874 Binutils-2.38 and GCC-12.1.0 bumped the default ISA spec to the newer
887 # https://github.com/llvm/llvm-project/commit/22e199e6afb1263c943c0c0d4498694e15bf8a16
892 -march. This option causes an older ISA spec compatible with these older
894 as passing zicsr and zifencei to -march.
916 int "Kernel stack size (in power-of-two numbers of page size)" if VMAP_STACK && EXPERT
1048 deprecated in future once legacy M-mode software are no longer in use.
1059 scheme. It should be only enabled for M-mode Linux or platforms relying
1100 bool "Kernel support for 32-bit U-mode"
1104 This option enables support for a 32-bit U-mode running under a 64-bit
1105 kernel at S-mode. riscv32-specific components such as system calls,
1109 If you want to execute 32-bit userspace applications, say Y.
1156 random u64 value in /chosen/kaslr-seed at kernel entry.
1170 string "Built-in kernel command line"
1173 are provided at run-time, during boot. However, there are cases
1177 When that occurs, it is possible to define a built-in command
1181 prompt "Built-in command line usage"
1185 Choose how the kernel will handle the provided built-in command
1191 Use the built-in command line as fallback in case we get nothing
1197 The built-in command line will be appended to the command-
1205 Always use the built-in command line, even if we get one during
1230 by UEFI firmware (such as non-volatile variables, realtime
1244 continue to boot on existing non-UEFI platforms.
1247 …def_bool $(cc-option,-mstack-protector-guard=tls -mstack-protector-guard-reg=tp -mstack-protector-…
1265 explicitly specified to run early relocations of read-write data
1266 from flash to RAM.
1269 bool "Kernel Execute-In-Place from ROM"
1276 Execute-In-Place allows the kernel to run from non-volatile storage
1277 directly addressable by the CPU, such as NOR flash. This saves RAM
1278 space since the text section of the kernel is not loaded from flash
1279 to RAM. Read-write sections, such as the data section and stack,
1281 it has to run directly from flash, so it will take more space to
1282 store it. The flash address used to link the kernel object files,
1285 store the kernel image depending on your own flash memory usage.
1292 flash resident are not backed by memmap, then any attempt to get
1302 This is the physical address in your flash memory the kernel will
1304 own flash usage.
1319 Please see the dt-binding, located at
1321 on the replacement properties, "riscv,isa-base" and
1322 "riscv,isa-extensions".
1325 bool "Built-in device tree"
1335 string "Built-in device tree source"