1f8c4a270SJonas Bonn# 2f8c4a270SJonas Bonn# For a description of the syntax of this configuration file, 3395cf969SPaul Bolle# see Documentation/kbuild/kconfig-language.txt. 4f8c4a270SJonas Bonn# 5f8c4a270SJonas Bonn 6f8c4a270SJonas Bonnconfig OPENRISC 7f8c4a270SJonas Bonn def_bool y 8f8c4a270SJonas Bonn select OF 9f8c4a270SJonas Bonn select OF_EARLY_FLATTREE 10b4c4c6eeSJonas Bonn select IRQ_DOMAIN 11d1f6f28fSMarc Zyngier select HANDLE_DOMAIN_IRQ 12f8c4a270SJonas Bonn select HAVE_MEMBLOCK 138636f344SLinus Walleij select GPIOLIB 14f8c4a270SJonas Bonn select HAVE_ARCH_TRACEHOOK 15c0fcaf55SJonas Bonn select SPARSE_IRQ 16f8c4a270SJonas Bonn select GENERIC_IRQ_CHIP 17f8c4a270SJonas Bonn select GENERIC_IRQ_PROBE 18f8c4a270SJonas Bonn select GENERIC_IRQ_SHOW 19f8c4a270SJonas Bonn select GENERIC_IOMAP 209f13a1fdSBen Hutchings select GENERIC_CPU_DEVICES 2104ea1e91SAndrew Morton select HAVE_UID16 220662d33aSRichard Weinberger select GENERIC_ATOMIC64 235bf8f6bfSAnna-Maria Gleixner select GENERIC_CLOCKEVENTS 24603d6637SJonas Bonn select GENERIC_STRNCPY_FROM_USER 25b48b2c3eSJonas Bonn select GENERIC_STRNLEN_USER 26786d35d4SDavid Howells select MODULES_USE_ELF_RELA 27d1a1dc0bSDave Hansen select HAVE_DEBUG_STACKOVERFLOW 284db8e6d2SStefan Kristiansson select OR1K_PIC 29fff7fb0bSZhaoxiu Zeng select CPU_NO_EFFICIENT_FFS if !OPENRISC_HAVE_INST_FF1 30266c7fadSStafford Horne select NO_BOOTMEM 31b5f82176SStafford Horne select ARCH_USE_QUEUED_SPINLOCKS 32b5f82176SStafford Horne select ARCH_USE_QUEUED_RWLOCKS 33f8c4a270SJonas Bonn 344c97a0c8SBabu Mogerconfig CPU_BIG_ENDIAN 354c97a0c8SBabu Moger def_bool y 364c97a0c8SBabu Moger 37f8c4a270SJonas Bonnconfig MMU 38f8c4a270SJonas Bonn def_bool y 39f8c4a270SJonas Bonn 40f8c4a270SJonas Bonnconfig RWSEM_GENERIC_SPINLOCK 41f8c4a270SJonas Bonn def_bool y 42f8c4a270SJonas Bonn 43f8c4a270SJonas Bonnconfig RWSEM_XCHGADD_ALGORITHM 44f8c4a270SJonas Bonn def_bool n 45f8c4a270SJonas Bonn 46f8c4a270SJonas Bonnconfig GENERIC_HWEIGHT 47f8c4a270SJonas Bonn def_bool y 48f8c4a270SJonas Bonn 49ce816fa8SUwe Kleine-Königconfig NO_IOPORT_MAP 50f8c4a270SJonas Bonn def_bool y 51f8c4a270SJonas Bonn 52f8c4a270SJonas Bonnconfig TRACE_IRQFLAGS_SUPPORT 53f8c4a270SJonas Bonn def_bool y 54f8c4a270SJonas Bonn 55f8c4a270SJonas Bonn# For now, use generic checksum functions 56f8c4a270SJonas Bonn#These can be reimplemented in assembly later if so inclined 57f8c4a270SJonas Bonnconfig GENERIC_CSUM 58f8c4a270SJonas Bonn def_bool y 59f8c4a270SJonas Bonn 60f8c4a270SJonas Bonnsource "init/Kconfig" 61f8c4a270SJonas Bonn 6257a1a197SChen Gangsource "kernel/Kconfig.freezer" 63f8c4a270SJonas Bonn 64f8c4a270SJonas Bonnmenu "Processor type and features" 65f8c4a270SJonas Bonn 66f8c4a270SJonas Bonnchoice 67f8c4a270SJonas Bonn prompt "Subarchitecture" 68f8c4a270SJonas Bonn default OR1K_1200 69f8c4a270SJonas Bonn 70f8c4a270SJonas Bonnconfig OR1K_1200 71f8c4a270SJonas Bonn bool "OR1200" 72f8c4a270SJonas Bonn help 73f8c4a270SJonas Bonn Generic OpenRISC 1200 architecture 74f8c4a270SJonas Bonn 75f8c4a270SJonas Bonnendchoice 76f8c4a270SJonas Bonn 77f8c4a270SJonas Bonnconfig OPENRISC_BUILTIN_DTB 78f8c4a270SJonas Bonn string "Builtin DTB" 79f8c4a270SJonas Bonn default "" 80f8c4a270SJonas Bonn 81f8c4a270SJonas Bonnmenu "Class II Instructions" 82f8c4a270SJonas Bonn 83f8c4a270SJonas Bonnconfig OPENRISC_HAVE_INST_FF1 84f8c4a270SJonas Bonn bool "Have instruction l.ff1" 85f8c4a270SJonas Bonn default y 86f8c4a270SJonas Bonn help 87f8c4a270SJonas Bonn Select this if your implementation has the Class II instruction l.ff1 88f8c4a270SJonas Bonn 89f8c4a270SJonas Bonnconfig OPENRISC_HAVE_INST_FL1 90f8c4a270SJonas Bonn bool "Have instruction l.fl1" 91f8c4a270SJonas Bonn default y 92f8c4a270SJonas Bonn help 93f8c4a270SJonas Bonn Select this if your implementation has the Class II instruction l.fl1 94f8c4a270SJonas Bonn 95f8c4a270SJonas Bonnconfig OPENRISC_HAVE_INST_MUL 96f8c4a270SJonas Bonn bool "Have instruction l.mul for hardware multiply" 97f8c4a270SJonas Bonn default y 98f8c4a270SJonas Bonn help 99f8c4a270SJonas Bonn Select this if your implementation has a hardware multiply instruction 100f8c4a270SJonas Bonn 101f8c4a270SJonas Bonnconfig OPENRISC_HAVE_INST_DIV 102f8c4a270SJonas Bonn bool "Have instruction l.div for hardware divide" 103f8c4a270SJonas Bonn default y 104f8c4a270SJonas Bonn help 105f8c4a270SJonas Bonn Select this if your implementation has a hardware divide instruction 106f8c4a270SJonas Bonnendmenu 107f8c4a270SJonas Bonn 10834bbdcdcSStafford Horneconfig NR_CPUS 10934bbdcdcSStafford Horne int 11034bbdcdcSStafford Horne default "1" 111f8c4a270SJonas Bonn 112f8c4a270SJonas Bonnsource kernel/Kconfig.hz 113f8c4a270SJonas Bonnsource kernel/Kconfig.preempt 114f8c4a270SJonas Bonnsource "mm/Kconfig" 115f8c4a270SJonas Bonn 116f8c4a270SJonas Bonnconfig OPENRISC_NO_SPR_SR_DSX 117f8c4a270SJonas Bonn bool "use SPR_SR_DSX software emulation" if OR1K_1200 118f8c4a270SJonas Bonn default y 119f8c4a270SJonas Bonn help 120f8c4a270SJonas Bonn SPR_SR_DSX bit is status register bit indicating whether 121f8c4a270SJonas Bonn the last exception has happened in delay slot. 122f8c4a270SJonas Bonn 123f8c4a270SJonas Bonn OpenRISC architecture makes it optional to have it implemented 124f8c4a270SJonas Bonn in hardware and the OR1200 does not have it. 125f8c4a270SJonas Bonn 126f8c4a270SJonas Bonn Say N here if you know that your OpenRISC processor has 127f8c4a270SJonas Bonn SPR_SR_DSX bit implemented. Say Y if you are unsure. 128f8c4a270SJonas Bonn 12991993c8cSStefan Kristianssonconfig OPENRISC_HAVE_SHADOW_GPRS 13091993c8cSStefan Kristiansson bool "Support for shadow gpr files" if !SMP 13191993c8cSStefan Kristiansson default y if SMP 13291993c8cSStefan Kristiansson help 13391993c8cSStefan Kristiansson Say Y here if your OpenRISC processor features shadowed 13491993c8cSStefan Kristiansson register files. They will in such case be used as a 13591993c8cSStefan Kristiansson scratch reg storage on exception entry. 13691993c8cSStefan Kristiansson 13791993c8cSStefan Kristiansson On SMP systems, this feature is mandatory. 13891993c8cSStefan Kristiansson On a unicore system it's safe to say N here if you are unsure. 13991993c8cSStefan Kristiansson 140f8c4a270SJonas Bonnconfig CMDLINE 141f8c4a270SJonas Bonn string "Default kernel command string" 142f8c4a270SJonas Bonn default "" 143f8c4a270SJonas Bonn help 144f8c4a270SJonas Bonn On some architectures there is currently no way for the boot loader 145f8c4a270SJonas Bonn to pass arguments to the kernel. For these architectures, you should 146f8c4a270SJonas Bonn supply some command-line options at build time by entering them 147f8c4a270SJonas Bonn here. 148f8c4a270SJonas Bonn 149f8c4a270SJonas Bonnmenu "Debugging options" 150f8c4a270SJonas Bonn 151f8c4a270SJonas Bonnconfig JUMP_UPON_UNHANDLED_EXCEPTION 152f8c4a270SJonas Bonn bool "Try to die gracefully" 153f8c4a270SJonas Bonn default y 154f8c4a270SJonas Bonn help 155f8c4a270SJonas Bonn Now this puts kernel into infinite loop after first oops. Till 156f8c4a270SJonas Bonn your kernel crashes this doesn't have any influence. 157f8c4a270SJonas Bonn 158f8c4a270SJonas Bonn Say Y if you are unsure. 159f8c4a270SJonas Bonn 160f8c4a270SJonas Bonnconfig OPENRISC_ESR_EXCEPTION_BUG_CHECK 161f8c4a270SJonas Bonn bool "Check for possible ESR exception bug" 162f8c4a270SJonas Bonn default n 163f8c4a270SJonas Bonn help 164f8c4a270SJonas Bonn This option enables some checks that might expose some problems 165f8c4a270SJonas Bonn in kernel. 166f8c4a270SJonas Bonn 167f8c4a270SJonas Bonn Say N if you are unsure. 168f8c4a270SJonas Bonn 169f8c4a270SJonas Bonnendmenu 170f8c4a270SJonas Bonn 171f8c4a270SJonas Bonnendmenu 172f8c4a270SJonas Bonn 173f8c4a270SJonas Bonnmenu "Executable file formats" 174f8c4a270SJonas Bonn 175f8c4a270SJonas Bonnsource "fs/Kconfig.binfmt" 176f8c4a270SJonas Bonn 177f8c4a270SJonas Bonnendmenu 178f8c4a270SJonas Bonn 179f8c4a270SJonas Bonnsource "net/Kconfig" 180f8c4a270SJonas Bonn 181f8c4a270SJonas Bonnsource "drivers/Kconfig" 182f8c4a270SJonas Bonn 183f8c4a270SJonas Bonnsource "fs/Kconfig" 184f8c4a270SJonas Bonn 185f8c4a270SJonas Bonnsource "security/Kconfig" 186f8c4a270SJonas Bonn 187f8c4a270SJonas Bonnsource "crypto/Kconfig" 188f8c4a270SJonas Bonn 189f8c4a270SJonas Bonnsource "lib/Kconfig" 190f8c4a270SJonas Bonn 191f8c4a270SJonas Bonnmenu "Kernel hacking" 192f8c4a270SJonas Bonn 193f8c4a270SJonas Bonnsource "lib/Kconfig.debug" 194f8c4a270SJonas Bonn 195f8c4a270SJonas Bonnendmenu 196