1# 2# For a description of the syntax of this configuration file, 3# see Documentation/kbuild/kconfig-language.txt. 4# 5 6config OPENRISC 7 def_bool y 8 select OF 9 select OF_EARLY_FLATTREE 10 select IRQ_DOMAIN 11 select HANDLE_DOMAIN_IRQ 12 select HAVE_MEMBLOCK 13 select ARCH_REQUIRE_GPIOLIB 14 select HAVE_ARCH_TRACEHOOK 15 select GENERIC_IRQ_CHIP 16 select GENERIC_IRQ_PROBE 17 select GENERIC_IRQ_SHOW 18 select GENERIC_IOMAP 19 select GENERIC_CPU_DEVICES 20 select GENERIC_ATOMIC64 21 select GENERIC_CLOCKEVENTS 22 select GENERIC_STRNCPY_FROM_USER 23 select GENERIC_STRNLEN_USER 24 select MODULES_USE_ELF_RELA 25 select HAVE_DEBUG_STACKOVERFLOW 26 select OR1K_PIC 27 28config MMU 29 def_bool y 30 31config HAVE_DMA_ATTRS 32 def_bool y 33 34config UID16 35 def_bool y 36 37config RWSEM_GENERIC_SPINLOCK 38 def_bool y 39 40config RWSEM_XCHGADD_ALGORITHM 41 def_bool n 42 43config GENERIC_HWEIGHT 44 def_bool y 45 46config NO_IOPORT_MAP 47 def_bool y 48 49config TRACE_IRQFLAGS_SUPPORT 50 def_bool y 51 52# For now, use generic checksum functions 53#These can be reimplemented in assembly later if so inclined 54config GENERIC_CSUM 55 def_bool y 56 57source "init/Kconfig" 58 59source "kernel/Kconfig.freezer" 60 61menu "Processor type and features" 62 63choice 64 prompt "Subarchitecture" 65 default OR1K_1200 66 67config OR1K_1200 68 bool "OR1200" 69 help 70 Generic OpenRISC 1200 architecture 71 72endchoice 73 74config OPENRISC_BUILTIN_DTB 75 string "Builtin DTB" 76 default "" 77 78menu "Class II Instructions" 79 80config OPENRISC_HAVE_INST_FF1 81 bool "Have instruction l.ff1" 82 default y 83 help 84 Select this if your implementation has the Class II instruction l.ff1 85 86config OPENRISC_HAVE_INST_FL1 87 bool "Have instruction l.fl1" 88 default y 89 help 90 Select this if your implementation has the Class II instruction l.fl1 91 92config OPENRISC_HAVE_INST_MUL 93 bool "Have instruction l.mul for hardware multiply" 94 default y 95 help 96 Select this if your implementation has a hardware multiply instruction 97 98config OPENRISC_HAVE_INST_DIV 99 bool "Have instruction l.div for hardware divide" 100 default y 101 help 102 Select this if your implementation has a hardware divide instruction 103endmenu 104 105 106source kernel/Kconfig.hz 107source kernel/Kconfig.preempt 108source "mm/Kconfig" 109 110config OPENRISC_NO_SPR_SR_DSX 111 bool "use SPR_SR_DSX software emulation" if OR1K_1200 112 default y 113 help 114 SPR_SR_DSX bit is status register bit indicating whether 115 the last exception has happened in delay slot. 116 117 OpenRISC architecture makes it optional to have it implemented 118 in hardware and the OR1200 does not have it. 119 120 Say N here if you know that your OpenRISC processor has 121 SPR_SR_DSX bit implemented. Say Y if you are unsure. 122 123config CMDLINE 124 string "Default kernel command string" 125 default "" 126 help 127 On some architectures there is currently no way for the boot loader 128 to pass arguments to the kernel. For these architectures, you should 129 supply some command-line options at build time by entering them 130 here. 131 132menu "Debugging options" 133 134config JUMP_UPON_UNHANDLED_EXCEPTION 135 bool "Try to die gracefully" 136 default y 137 help 138 Now this puts kernel into infinite loop after first oops. Till 139 your kernel crashes this doesn't have any influence. 140 141 Say Y if you are unsure. 142 143config OPENRISC_ESR_EXCEPTION_BUG_CHECK 144 bool "Check for possible ESR exception bug" 145 default n 146 help 147 This option enables some checks that might expose some problems 148 in kernel. 149 150 Say N if you are unsure. 151 152endmenu 153 154endmenu 155 156menu "Executable file formats" 157 158source "fs/Kconfig.binfmt" 159 160endmenu 161 162source "net/Kconfig" 163 164source "drivers/Kconfig" 165 166source "fs/Kconfig" 167 168source "security/Kconfig" 169 170source "crypto/Kconfig" 171 172source "lib/Kconfig" 173 174menu "Kernel hacking" 175 176source "lib/Kconfig.debug" 177 178endmenu 179