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