| Kconfig (ca83c61cb3db964061ea186654bf8e1879589de3) | Kconfig (23c996fc2bc1978a02c64eddb90b4ab5d309c8df) |
|---|---|
| 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 --- 97 unchanged lines hidden (view full) --- 106 select GENERIC_SCHED_CLOCK 107 select GENERIC_SMP_IDLE_THREAD 108 select GENERIC_TIME_VSYSCALL if MMU && 64BIT 109 select GENERIC_VDSO_TIME_NS if HAVE_GENERIC_VDSO 110 select HARDIRQS_SW_RESEND 111 select HAS_IOPORT if MMU 112 select HAVE_ARCH_AUDITSYSCALL 113 select HAVE_ARCH_HUGE_VMALLOC if HAVE_ARCH_HUGE_VMAP | 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 --- 97 unchanged lines hidden (view full) --- 106 select GENERIC_SCHED_CLOCK 107 select GENERIC_SMP_IDLE_THREAD 108 select GENERIC_TIME_VSYSCALL if MMU && 64BIT 109 select GENERIC_VDSO_TIME_NS if HAVE_GENERIC_VDSO 110 select HARDIRQS_SW_RESEND 111 select HAS_IOPORT if MMU 112 select HAVE_ARCH_AUDITSYSCALL 113 select HAVE_ARCH_HUGE_VMALLOC if HAVE_ARCH_HUGE_VMAP |
| 114 select HAVE_ARCH_HUGE_VMAP if MMU && 64BIT | 114 select HAVE_ARCH_HUGE_VMAP if MMU && 64BIT && !XIP_KERNEL |
| 115 select HAVE_ARCH_JUMP_LABEL if !XIP_KERNEL 116 select HAVE_ARCH_JUMP_LABEL_RELATIVE if !XIP_KERNEL 117 select HAVE_ARCH_KASAN if MMU && 64BIT 118 select HAVE_ARCH_KASAN_VMALLOC if MMU && 64BIT 119 select HAVE_ARCH_KFENCE if MMU && 64BIT 120 select HAVE_ARCH_KGDB if !XIP_KERNEL 121 select HAVE_ARCH_KGDB_QXFER_PKT 122 select HAVE_ARCH_MMAP_RND_BITS if MMU --- 500 unchanged lines hidden (view full) --- 623 624# This symbol indicates that the toolchain supports all v1.0 vector crypto 625# extensions, including Zvk*, Zvbb, and Zvbc. LLVM added all of these at once. 626# binutils added all except Zvkb, then added Zvkb. So we just check for Zvkb. 627config TOOLCHAIN_HAS_VECTOR_CRYPTO 628 def_bool $(as-instr, .option arch$(comma) +v$(comma) +zvkb) 629 depends on AS_HAS_OPTION_ARCH 630 | 115 select HAVE_ARCH_JUMP_LABEL if !XIP_KERNEL 116 select HAVE_ARCH_JUMP_LABEL_RELATIVE if !XIP_KERNEL 117 select HAVE_ARCH_KASAN if MMU && 64BIT 118 select HAVE_ARCH_KASAN_VMALLOC if MMU && 64BIT 119 select HAVE_ARCH_KFENCE if MMU && 64BIT 120 select HAVE_ARCH_KGDB if !XIP_KERNEL 121 select HAVE_ARCH_KGDB_QXFER_PKT 122 select HAVE_ARCH_MMAP_RND_BITS if MMU --- 500 unchanged lines hidden (view full) --- 623 624# This symbol indicates that the toolchain supports all v1.0 vector crypto 625# extensions, including Zvk*, Zvbb, and Zvbc. LLVM added all of these at once. 626# binutils added all except Zvkb, then added Zvkb. So we just check for Zvkb. 627config TOOLCHAIN_HAS_VECTOR_CRYPTO 628 def_bool $(as-instr, .option arch$(comma) +v$(comma) +zvkb) 629 depends on AS_HAS_OPTION_ARCH 630 |
| 631config RISCV_ISA_ZBA 632 bool "Zba extension support for bit manipulation instructions" 633 default y 634 help 635 Add support for enabling optimisations in the kernel when the Zba 636 extension is detected at boot. 637 638 The Zba extension provides instructions to accelerate the generation 639 of addresses that index into arrays of basic data types. 640 641 If you don't know what to do here, say Y. 642 | |
| 643config RISCV_ISA_ZBB 644 bool "Zbb extension support for bit manipulation instructions" 645 depends on TOOLCHAIN_HAS_ZBB 646 depends on RISCV_ALTERNATIVE 647 default y 648 help 649 Adds support to dynamically detect the presence of the ZBB 650 extension (basic bit manipulation) and enable its usage. --- 164 unchanged lines hidden (view full) --- 815 Assume that the system supports fast unaligned memory accesses. When 816 enabled, this option improves the performance of the kernel on such 817 systems. However, the kernel and userspace programs will run much more 818 slowly, or will not be able to run at all, on systems that do not 819 support efficient unaligned memory accesses. 820 821endchoice 822 | 631config RISCV_ISA_ZBB 632 bool "Zbb extension support for bit manipulation instructions" 633 depends on TOOLCHAIN_HAS_ZBB 634 depends on RISCV_ALTERNATIVE 635 default y 636 help 637 Adds support to dynamically detect the presence of the ZBB 638 extension (basic bit manipulation) and enable its usage. --- 164 unchanged lines hidden (view full) --- 803 Assume that the system supports fast unaligned memory accesses. When 804 enabled, this option improves the performance of the kernel on such 805 systems. However, the kernel and userspace programs will run much more 806 slowly, or will not be able to run at all, on systems that do not 807 support efficient unaligned memory accesses. 808 809endchoice 810 |
| 811source "arch/riscv/Kconfig.vendor" 812 |
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| 823endmenu # "Platform type" 824 825menu "Kernel features" 826 827source "kernel/Kconfig.hz" 828 829config RISCV_SBI_V01 830 bool "SBI v0.1 support" --- 124 unchanged lines hidden (view full) --- 955 are provided at run-time, during boot. However, there are cases 956 where either no arguments are being provided or the provided 957 arguments are insufficient or even invalid. 958 959 When that occurs, it is possible to define a built-in command 960 line here and choose how the kernel should use it later on. 961 962choice | 813endmenu # "Platform type" 814 815menu "Kernel features" 816 817source "kernel/Kconfig.hz" 818 819config RISCV_SBI_V01 820 bool "SBI v0.1 support" --- 124 unchanged lines hidden (view full) --- 945 are provided at run-time, during boot. However, there are cases 946 where either no arguments are being provided or the provided 947 arguments are insufficient or even invalid. 948 949 When that occurs, it is possible to define a built-in command 950 line here and choose how the kernel should use it later on. 951 952choice |
| 963 prompt "Built-in command line usage" 964 depends on CMDLINE != "" | 953 prompt "Built-in command line usage" if CMDLINE != "" |
| 965 default CMDLINE_FALLBACK 966 help 967 Choose how the kernel will handle the provided built-in command 968 line. 969 970config CMDLINE_FALLBACK 971 bool "Use bootloader kernel arguments if available" 972 help --- 188 unchanged lines hidden --- | 954 default CMDLINE_FALLBACK 955 help 956 Choose how the kernel will handle the provided built-in command 957 line. 958 959config CMDLINE_FALLBACK 960 bool "Use bootloader kernel arguments if available" 961 help --- 188 unchanged lines hidden --- |