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 HAVE_UID16 21 select GENERIC_ATOMIC64 22 select GENERIC_CLOCKEVENTS 23 select GENERIC_STRNCPY_FROM_USER 24 select GENERIC_STRNLEN_USER 25 select MODULES_USE_ELF_RELA 26 select HAVE_DEBUG_STACKOVERFLOW 27 select OR1K_PIC 28 29config MMU 30 def_bool y 31 32config HAVE_DMA_ATTRS 33 def_bool y 34 35config RWSEM_GENERIC_SPINLOCK 36 def_bool y 37 38config RWSEM_XCHGADD_ALGORITHM 39 def_bool n 40 41config GENERIC_HWEIGHT 42 def_bool y 43 44config NO_IOPORT_MAP 45 def_bool y 46 47config TRACE_IRQFLAGS_SUPPORT 48 def_bool y 49 50# For now, use generic checksum functions 51#These can be reimplemented in assembly later if so inclined 52config GENERIC_CSUM 53 def_bool y 54 55source "init/Kconfig" 56 57source "kernel/Kconfig.freezer" 58 59menu "Processor type and features" 60 61choice 62 prompt "Subarchitecture" 63 default OR1K_1200 64 65config OR1K_1200 66 bool "OR1200" 67 help 68 Generic OpenRISC 1200 architecture 69 70endchoice 71 72config OPENRISC_BUILTIN_DTB 73 string "Builtin DTB" 74 default "" 75 76menu "Class II Instructions" 77 78config OPENRISC_HAVE_INST_FF1 79 bool "Have instruction l.ff1" 80 default y 81 help 82 Select this if your implementation has the Class II instruction l.ff1 83 84config OPENRISC_HAVE_INST_FL1 85 bool "Have instruction l.fl1" 86 default y 87 help 88 Select this if your implementation has the Class II instruction l.fl1 89 90config OPENRISC_HAVE_INST_MUL 91 bool "Have instruction l.mul for hardware multiply" 92 default y 93 help 94 Select this if your implementation has a hardware multiply instruction 95 96config OPENRISC_HAVE_INST_DIV 97 bool "Have instruction l.div for hardware divide" 98 default y 99 help 100 Select this if your implementation has a hardware divide instruction 101endmenu 102 103 104source kernel/Kconfig.hz 105source kernel/Kconfig.preempt 106source "mm/Kconfig" 107 108config OPENRISC_NO_SPR_SR_DSX 109 bool "use SPR_SR_DSX software emulation" if OR1K_1200 110 default y 111 help 112 SPR_SR_DSX bit is status register bit indicating whether 113 the last exception has happened in delay slot. 114 115 OpenRISC architecture makes it optional to have it implemented 116 in hardware and the OR1200 does not have it. 117 118 Say N here if you know that your OpenRISC processor has 119 SPR_SR_DSX bit implemented. Say Y if you are unsure. 120 121config CMDLINE 122 string "Default kernel command string" 123 default "" 124 help 125 On some architectures there is currently no way for the boot loader 126 to pass arguments to the kernel. For these architectures, you should 127 supply some command-line options at build time by entering them 128 here. 129 130menu "Debugging options" 131 132config JUMP_UPON_UNHANDLED_EXCEPTION 133 bool "Try to die gracefully" 134 default y 135 help 136 Now this puts kernel into infinite loop after first oops. Till 137 your kernel crashes this doesn't have any influence. 138 139 Say Y if you are unsure. 140 141config OPENRISC_ESR_EXCEPTION_BUG_CHECK 142 bool "Check for possible ESR exception bug" 143 default n 144 help 145 This option enables some checks that might expose some problems 146 in kernel. 147 148 Say N if you are unsure. 149 150endmenu 151 152endmenu 153 154menu "Executable file formats" 155 156source "fs/Kconfig.binfmt" 157 158endmenu 159 160source "net/Kconfig" 161 162source "drivers/Kconfig" 163 164source "fs/Kconfig" 165 166source "security/Kconfig" 167 168source "crypto/Kconfig" 169 170source "lib/Kconfig" 171 172menu "Kernel hacking" 173 174source "lib/Kconfig.debug" 175 176endmenu 177