1575ca288SMichal Simekconfig MICROBLAZE 2575ca288SMichal Simek def_bool y 395f72d1eSYinghai Lu select HAVE_MEMBLOCK 42fd7c761SMichal Simek select HAVE_FUNCTION_TRACER 56d9e60ceSMichal Simek select HAVE_FUNCTION_TRACE_MCOUNT_TEST 6a0d3e665SMichal Simek select HAVE_FUNCTION_GRAPH_TRACER 77d241ff0SMichal Simek select HAVE_DYNAMIC_FTRACE 87d241ff0SMichal Simek select HAVE_FTRACE_MCOUNT_RECORD 9afc26cb3SJulie Zhu select USB_ARCH_HAS_EHCI 106fa612b5SMichal Simek select ARCH_WANT_OPTIONAL_GPIOLIB 113540ce82SJohn Williams select HAVE_OPROFILE 122d5973cbSMichal Simek select HAVE_ARCH_KGDB 13ccfe27d7SMichal Simek select HAVE_DMA_ATTRS 14ccfe27d7SMichal Simek select HAVE_DMA_API_DEBUG 153540ce82SJohn Williams select TRACING_SUPPORT 16ae5bf63fSStephen Rothwell select OF 17e6ce1324SStephen Neuendorffer select OF_EARLY_FLATTREE 18b6e31629SThomas Gleixner select HAVE_GENERIC_HARDIRQS 19b6e31629SThomas Gleixner select GENERIC_IRQ_PROBE 20208a34f5SThomas Gleixner select GENERIC_HARDIRQS_NO_DEPRECATED 21575ca288SMichal Simek 22575ca288SMichal Simekconfig SWAP 23575ca288SMichal Simek def_bool n 24575ca288SMichal Simek 25575ca288SMichal Simekconfig RWSEM_GENERIC_SPINLOCK 26575ca288SMichal Simek def_bool y 27575ca288SMichal Simek 28575ca288SMichal Simekconfig RWSEM_XCHGADD_ALGORITHM 29575ca288SMichal Simek bool 30575ca288SMichal Simek 31575ca288SMichal Simekconfig ARCH_HAS_ILOG2_U32 32575ca288SMichal Simek def_bool n 33575ca288SMichal Simek 34575ca288SMichal Simekconfig ARCH_HAS_ILOG2_U64 35575ca288SMichal Simek def_bool n 36575ca288SMichal Simek 37575ca288SMichal Simekconfig GENERIC_FIND_NEXT_BIT 38575ca288SMichal Simek def_bool y 39575ca288SMichal Simek 40575ca288SMichal Simekconfig GENERIC_HWEIGHT 41575ca288SMichal Simek def_bool y 42575ca288SMichal Simek 43575ca288SMichal Simekconfig GENERIC_CALIBRATE_DELAY 44575ca288SMichal Simek def_bool y 45575ca288SMichal Simek 46575ca288SMichal Simekconfig GENERIC_TIME_VSYSCALL 47575ca288SMichal Simek def_bool n 48575ca288SMichal Simek 49575ca288SMichal Simekconfig GENERIC_CLOCKEVENTS 50575ca288SMichal Simek def_bool y 51575ca288SMichal Simek 526fa612b5SMichal Simekconfig GENERIC_GPIO 536fa612b5SMichal Simek def_bool y 546fa612b5SMichal Simek 5514f87389SRemis Lima Baimaconfig GENERIC_CSUM 5614f87389SRemis Lima Baima def_bool y 5714f87389SRemis Lima Baima 5824b45a12SMichal Simekconfig STACKTRACE_SUPPORT 5924b45a12SMichal Simek def_bool y 6024b45a12SMichal Simek 61bf2d8096SMichal Simekconfig LOCKDEP_SUPPORT 62bf2d8096SMichal Simek def_bool y 63bf2d8096SMichal Simek 64fb5a32dcSMichal Simekconfig HAVE_LATENCYTOP_SUPPORT 65fb5a32dcSMichal Simek def_bool y 66fb5a32dcSMichal Simek 67575ca288SMichal Simeksource "init/Kconfig" 68575ca288SMichal Simek 69575ca288SMichal Simeksource "kernel/Kconfig.freezer" 70575ca288SMichal Simek 71575ca288SMichal Simeksource "arch/microblaze/platform/Kconfig.platform" 72575ca288SMichal Simek 73575ca288SMichal Simekmenu "Processor type and features" 74575ca288SMichal Simek 75296e2603SMichal Simeksource "kernel/time/Kconfig" 76575ca288SMichal Simek 77575ca288SMichal Simeksource "kernel/Kconfig.preempt" 78575ca288SMichal Simek 79575ca288SMichal Simeksource "kernel/Kconfig.hz" 80575ca288SMichal Simek 81575ca288SMichal Simekconfig MMU 82a116f6d5SMichal Simek bool "MMU support" 83a116f6d5SMichal Simek default n 84575ca288SMichal Simek 85575ca288SMichal Simekconfig NO_MMU 86575ca288SMichal Simek bool 87575ca288SMichal Simek depends on !MMU 88575ca288SMichal Simek default y 89575ca288SMichal Simek 90575ca288SMichal Simekcomment "Boot options" 91575ca288SMichal Simek 92575ca288SMichal Simekconfig CMDLINE_BOOL 93575ca288SMichal Simek bool "Default bootloader kernel arguments" 94575ca288SMichal Simek 95575ca288SMichal Simekconfig CMDLINE 96575ca288SMichal Simek string "Default kernel command string" 97575ca288SMichal Simek depends on CMDLINE_BOOL 98575ca288SMichal Simek default "console=ttyUL0,115200" 99575ca288SMichal Simek help 100575ca288SMichal Simek On some architectures there is currently no way for the boot loader 101575ca288SMichal Simek to pass arguments to the kernel. For these architectures, you should 102575ca288SMichal Simek supply some command-line options at build time by entering them 103575ca288SMichal Simek here. 104575ca288SMichal Simek 105575ca288SMichal Simekconfig CMDLINE_FORCE 106575ca288SMichal Simek bool "Force default kernel command string" 107575ca288SMichal Simek depends on CMDLINE_BOOL 108575ca288SMichal Simek default n 109575ca288SMichal Simek help 110575ca288SMichal Simek Set this to have arguments from the default kernel command string 111575ca288SMichal Simek override those passed by the boot loader. 112575ca288SMichal Simek 11368c6ac33SMichal Simekconfig SECCOMP 11468c6ac33SMichal Simek bool "Enable seccomp to safely compute untrusted bytecode" 11568c6ac33SMichal Simek depends on PROC_FS 11668c6ac33SMichal Simek default y 11768c6ac33SMichal Simek help 11868c6ac33SMichal Simek This kernel feature is useful for number crunching applications 11968c6ac33SMichal Simek that may need to compute untrusted bytecode during their 12068c6ac33SMichal Simek execution. By using pipes or other transports made available to 12168c6ac33SMichal Simek the process as file descriptors supporting the read/write 12268c6ac33SMichal Simek syscalls, it's possible to isolate those applications in 12368c6ac33SMichal Simek their own address space using seccomp. Once seccomp is 12468c6ac33SMichal Simek enabled via /proc/<pid>/seccomp, it cannot be disabled 12568c6ac33SMichal Simek and the task is only allowed to execute a few safe syscalls 12668c6ac33SMichal Simek defined by each seccomp mode. 12768c6ac33SMichal Simek 12868c6ac33SMichal Simek If unsure, say Y. Only embedded should say N here. 12968c6ac33SMichal Simek 130575ca288SMichal Simekendmenu 131575ca288SMichal Simek 132a116f6d5SMichal Simekmenu "Advanced setup" 133a116f6d5SMichal Simek 134a116f6d5SMichal Simekconfig ADVANCED_OPTIONS 135a116f6d5SMichal Simek bool "Prompt for advanced kernel configuration options" 136a116f6d5SMichal Simek help 137a116f6d5SMichal Simek This option will enable prompting for a variety of advanced kernel 138a116f6d5SMichal Simek configuration options. These options can cause the kernel to not 139a116f6d5SMichal Simek work if they are set incorrectly, but can be used to optimize certain 140a116f6d5SMichal Simek aspects of kernel memory management. 141a116f6d5SMichal Simek 142a116f6d5SMichal Simek Unless you know what you are doing, say N here. 143a116f6d5SMichal Simek 144a116f6d5SMichal Simekcomment "Default settings for advanced configuration options are used" 145a116f6d5SMichal Simek depends on !ADVANCED_OPTIONS 146a116f6d5SMichal Simek 1473a0d7a4dSMichal Simekconfig XILINX_UNCACHED_SHADOW 1483a0d7a4dSMichal Simek bool "Are you using uncached shadow for RAM ?" 1493a0d7a4dSMichal Simek depends on ADVANCED_OPTIONS && !MMU 1503a0d7a4dSMichal Simek default n 1513a0d7a4dSMichal Simek help 1523a0d7a4dSMichal Simek This is needed to be able to allocate uncachable memory regions. 1533a0d7a4dSMichal Simek The feature requires the design to define the RAM memory controller 1543a0d7a4dSMichal Simek window to be twice as large as the actual physical memory. 1553a0d7a4dSMichal Simek 156a116f6d5SMichal Simekconfig HIGHMEM_START_BOOL 157a116f6d5SMichal Simek bool "Set high memory pool address" 158a116f6d5SMichal Simek depends on ADVANCED_OPTIONS && HIGHMEM 159a116f6d5SMichal Simek help 160a116f6d5SMichal Simek This option allows you to set the base address of the kernel virtual 161a116f6d5SMichal Simek area used to map high memory pages. This can be useful in 162a116f6d5SMichal Simek optimizing the layout of kernel virtual memory. 163a116f6d5SMichal Simek 164a116f6d5SMichal Simek Say N here unless you know what you are doing. 165a116f6d5SMichal Simek 166a116f6d5SMichal Simekconfig HIGHMEM_START 167a116f6d5SMichal Simek hex "Virtual start address of high memory pool" if HIGHMEM_START_BOOL 168a116f6d5SMichal Simek depends on MMU 169a116f6d5SMichal Simek default "0xfe000000" 170a116f6d5SMichal Simek 171a116f6d5SMichal Simekconfig LOWMEM_SIZE_BOOL 172a116f6d5SMichal Simek bool "Set maximum low memory" 173b8a84059SMichal Simek depends on ADVANCED_OPTIONS && MMU 174a116f6d5SMichal Simek help 175a116f6d5SMichal Simek This option allows you to set the maximum amount of memory which 176a116f6d5SMichal Simek will be used as "low memory", that is, memory which the kernel can 177a116f6d5SMichal Simek access directly, without having to set up a kernel virtual mapping. 178a116f6d5SMichal Simek This can be useful in optimizing the layout of kernel virtual 179a116f6d5SMichal Simek memory. 180a116f6d5SMichal Simek 181a116f6d5SMichal Simek Say N here unless you know what you are doing. 182a116f6d5SMichal Simek 183a116f6d5SMichal Simekconfig LOWMEM_SIZE 184a116f6d5SMichal Simek hex "Maximum low memory size (in bytes)" if LOWMEM_SIZE_BOOL 185a116f6d5SMichal Simek default "0x30000000" 186a116f6d5SMichal Simek 187a116f6d5SMichal Simekconfig KERNEL_START_BOOL 188a116f6d5SMichal Simek bool "Set custom kernel base address" 189a116f6d5SMichal Simek depends on ADVANCED_OPTIONS 190a116f6d5SMichal Simek help 191a116f6d5SMichal Simek This option allows you to set the kernel virtual address at which 192a116f6d5SMichal Simek the kernel will map low memory (the kernel image will be linked at 193a116f6d5SMichal Simek this address). This can be useful in optimizing the virtual memory 194a116f6d5SMichal Simek layout of the system. 195a116f6d5SMichal Simek 196a116f6d5SMichal Simek Say N here unless you know what you are doing. 197a116f6d5SMichal Simek 198a116f6d5SMichal Simekconfig KERNEL_START 199a116f6d5SMichal Simek hex "Virtual address of kernel base" if KERNEL_START_BOOL 200a116f6d5SMichal Simek default "0xc0000000" if MMU 201a116f6d5SMichal Simek default KERNEL_BASE_ADDR if !MMU 202a116f6d5SMichal Simek 203a116f6d5SMichal Simekconfig TASK_SIZE_BOOL 204a116f6d5SMichal Simek bool "Set custom user task size" 205b8a84059SMichal Simek depends on ADVANCED_OPTIONS && MMU 206a116f6d5SMichal Simek help 207a116f6d5SMichal Simek This option allows you to set the amount of virtual address space 208a116f6d5SMichal Simek allocated to user tasks. This can be useful in optimizing the 209a116f6d5SMichal Simek virtual memory layout of the system. 210a116f6d5SMichal Simek 211a116f6d5SMichal Simek Say N here unless you know what you are doing. 212a116f6d5SMichal Simek 213a116f6d5SMichal Simekconfig TASK_SIZE 214a116f6d5SMichal Simek hex "Size of user task space" if TASK_SIZE_BOOL 215a116f6d5SMichal Simek default "0x80000000" 216a116f6d5SMichal Simek 217ba9c4f88SSteven J. Magnanichoice 218ba9c4f88SSteven J. Magnani prompt "Page size" 219ba9c4f88SSteven J. Magnani default MICROBLAZE_4K_PAGES 220ba9c4f88SSteven J. Magnani depends on ADVANCED_OPTIONS && !MMU 221ba9c4f88SSteven J. Magnani help 222ba9c4f88SSteven J. Magnani Select the kernel logical page size. Increasing the page size 223ba9c4f88SSteven J. Magnani will reduce software overhead at each page boundary, allow 224ba9c4f88SSteven J. Magnani hardware prefetch mechanisms to be more effective, and allow 225ba9c4f88SSteven J. Magnani larger dma transfers increasing IO efficiency and reducing 226ba9c4f88SSteven J. Magnani overhead. However the utilization of memory will increase. 227ba9c4f88SSteven J. Magnani For example, each cached file will using a multiple of the 228ba9c4f88SSteven J. Magnani page size to hold its contents and the difference between the 229ba9c4f88SSteven J. Magnani end of file and the end of page is wasted. 230ba9c4f88SSteven J. Magnani 231ba9c4f88SSteven J. Magnani If unsure, choose 4K_PAGES. 232ba9c4f88SSteven J. Magnani 233ba9c4f88SSteven J. Magnaniconfig MICROBLAZE_4K_PAGES 234ba9c4f88SSteven J. Magnani bool "4k page size" 235ba9c4f88SSteven J. Magnani 236ba9c4f88SSteven J. Magnaniconfig MICROBLAZE_8K_PAGES 237ba9c4f88SSteven J. Magnani bool "8k page size" 238ba9c4f88SSteven J. Magnani 239ba9c4f88SSteven J. Magnaniconfig MICROBLAZE_16K_PAGES 240ba9c4f88SSteven J. Magnani bool "16k page size" 241ba9c4f88SSteven J. Magnani 242ba9c4f88SSteven J. Magnaniconfig MICROBLAZE_32K_PAGES 243ba9c4f88SSteven J. Magnani bool "32k page size" 244ba9c4f88SSteven J. Magnani 245ba9c4f88SSteven J. Magnaniendchoice 246ba9c4f88SSteven J. Magnani 247a116f6d5SMichal Simekendmenu 248a116f6d5SMichal Simek 249575ca288SMichal Simeksource "mm/Kconfig" 250575ca288SMichal Simek 251575ca288SMichal Simekmenu "Exectuable file formats" 252575ca288SMichal Simek 253575ca288SMichal Simeksource "fs/Kconfig.binfmt" 254575ca288SMichal Simek 255575ca288SMichal Simekendmenu 256575ca288SMichal Simek 257a6475c13SMichal Simekmenu "Bus Options" 258a6475c13SMichal Simek 259a6475c13SMichal Simekconfig PCI 260a6475c13SMichal Simek bool "PCI support" 261a6475c13SMichal Simek 262a6475c13SMichal Simekconfig PCI_DOMAINS 263a6475c13SMichal Simek def_bool PCI 264a6475c13SMichal Simek 265a6475c13SMichal Simekconfig PCI_SYSCALL 266a6475c13SMichal Simek def_bool PCI 267a6475c13SMichal Simek 268733cc218SMichal Simekconfig PCI_XILINX 269733cc218SMichal Simek bool "Xilinx PCI host bridge support" 270733cc218SMichal Simek depends on PCI 271733cc218SMichal Simek 272a6475c13SMichal Simeksource "drivers/pci/Kconfig" 273a6475c13SMichal Simek 274a6475c13SMichal Simekendmenu 275a6475c13SMichal Simek 276575ca288SMichal Simeksource "net/Kconfig" 277575ca288SMichal Simek 278575ca288SMichal Simeksource "drivers/Kconfig" 279575ca288SMichal Simek 280575ca288SMichal Simeksource "fs/Kconfig" 281575ca288SMichal Simek 282575ca288SMichal Simeksource "arch/microblaze/Kconfig.debug" 283575ca288SMichal Simek 284575ca288SMichal Simeksource "security/Kconfig" 285575ca288SMichal Simek 286575ca288SMichal Simeksource "crypto/Kconfig" 287575ca288SMichal Simek 288575ca288SMichal Simeksource "lib/Kconfig" 289