Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/riscv/conf/GENERIC
Version:
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1 # 2 # GENERIC -- Generic kernel configuration file for FreeBSD/RISC-V 3 # 4 # For more information on this file, please read the config(5) manual page, 5 # and/or the handbook section on Kernel Configuration Files: 6 # 7 # https://docs.freebsd.org/en/books/handbook/kernelconfig/#kernelconfig-config 8 # 9 # The handbook is also available locally in /usr/share/doc/handbook 10 # if you've installed the doc distribution, otherwise always see the 11 # FreeBSD World Wide Web server (https://www.FreeBSD.org/) for the 12 # latest information. 13 # 14 # An exhaustive list of options and more detailed explanations of the 15 # device lines is also present in the ../../conf/NOTES and NOTES files. 16 # If you are in doubt as to the purpose or necessity of a line, check first 17 # in NOTES. 18 # 19 # $FreeBSD$ 20 21 cpu RISCV 22 ident GENERIC 23 24 makeoptions DEBUG=-g # Build kernel with gdb(1) debug symbols 25 makeoptions WITH_CTF=1 # Run ctfconvert(1) for DTrace support 26 27 options SCHED_ULE # ULE scheduler 28 options PREEMPTION # Enable kernel thread preemption 29 options VIMAGE # Subsystem virtualization, e.g. VNET 30 options INET # InterNETworking 31 options INET6 # IPv6 communications protocols 32 options TCP_HHOOK # hhook(9) framework for TCP 33 options IPSEC_SUPPORT # Allow kldload of ipsec and tcpmd5 34 options ROUTE_MPATH # Multipath routing support 35 options TCP_OFFLOAD # TCP offload 36 options TCP_BLACKBOX # Enhanced TCP event logging 37 options TCP_RFC7413 # TCP Fast Open 38 options SCTP_SUPPORT # Allow kldload of SCTP 39 options FFS # Berkeley Fast Filesystem 40 options SOFTUPDATES # Enable FFS soft updates support 41 options UFS_ACL # Support for access control lists 42 options UFS_DIRHASH # Improve performance on big directories 43 options UFS_GJOURNAL # Enable gjournal-based UFS journaling 44 options QUOTA # Enable disk quotas for UFS 45 options NFSCL # Network Filesystem Client 46 options NFSD # Network Filesystem Server 47 options NFSLOCKD # Network Lock Manager 48 options NFS_ROOT # NFS usable as /, requires NFSCL 49 options MSDOSFS # MSDOS Filesystem 50 options CD9660 # ISO 9660 Filesystem 51 options PROCFS # Process filesystem (requires PSEUDOFS) 52 options PSEUDOFS # Pseudo-filesystem framework 53 options TMPFS # Efficient memory filesystem 54 options GEOM_RAID # Soft RAID functionality. 55 options GEOM_LABEL # Provides labelization 56 options COMPAT_FREEBSD12 # Compatible with FreeBSD12 57 options COMPAT_FREEBSD13 # Compatible with FreeBSD13 58 options SCSI_DELAY=5000 # Delay (in ms) before probing SCSI 59 options KTRACE # ktrace(1) support 60 options STACK # stack(9) support 61 options SYSVSHM # SYSV-style shared memory 62 options SYSVMSG # SYSV-style message queues 63 options SYSVSEM # SYSV-style semaphores 64 options _KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time extensions 65 options PRINTF_BUFR_SIZE=128 # Prevent printf output being interspersed. 66 options KBD_INSTALL_CDEV # install a CDEV entry in /dev 67 # options HWPMC_HOOKS # Necessary kernel hooks for hwpmc(4) 68 options AUDIT # Security event auditing 69 options CAPABILITY_MODE # Capsicum capability mode 70 options CAPABILITIES # Capsicum capabilities 71 options MAC # TrustedBSD MAC Framework 72 options KDTRACE_FRAME # Ensure frames are compiled in 73 options KDTRACE_HOOKS # Kernel DTrace hooks 74 options DDB_CTF # Kernel ELF linker loads CTF data 75 options FPE # Floating-point extension support 76 options RACCT # Resource accounting framework 77 options RACCT_DEFAULT_TO_DISABLED # Set kern.racct.enable=0 by default 78 options RCTL # Resource limits 79 options SMP 80 81 # RISC-V SBI console 82 device rcons 83 84 # pseudo devices 85 device clk 86 device hwreset 87 device syscon 88 device syscon_power 89 device riscv_syscon 90 91 # Bus drivers 92 device pci 93 94 # Block devices 95 device scbus 96 device da 97 98 # VirtIO support 99 device virtio # Generic VirtIO bus (required) 100 device virtio_pci # VirtIO PCI device 101 device vtnet # VirtIO Ethernet device 102 device virtio_blk # VirtIO Block device 103 device virtio_mmio # VirtIO MMIO bus 104 105 # NVM Express (NVMe) support 106 device nvme # base NVMe driver 107 options NVME_USE_NVD=0 # prefer the cam(4) based nda(4) driver 108 device nvd # expose NVMe namespaces as disks, depends on nvme 109 110 # USB support 111 options USB_DEBUG # enable debug msgs 112 device ohci # OHCI USB interface 113 device uhci # UHCI USB interface 114 device ehci # EHCI USB interface (USB 2.0) 115 device xhci # XHCI USB interface (USB 3.0) 116 device usb # USB Bus (required) 117 device ukbd # Keyboard 118 device umass # Disks/Mass storage - Requires scbus and da 119 120 # HID support 121 options HID_DEBUG # enable debug msgs 122 device hid # Generic HID support 123 124 # DTrace support 125 # device dtrace 126 # device dtrace_profile 127 # device dtrace_sdt 128 # device dtrace_fbt 129 # device dtrace_systrace 130 # device dtrace_prototype 131 # device dtraceall 132 133 # Serial (COM) ports 134 device uart # Generic UART driver 135 device uart_lowrisc # lowRISC UART driver 136 device uart_ns8250 # ns8250-type UART driver 137 138 # Console 139 device vt 140 device kbdmux 141 142 # RTC 143 device da9063_rtc # Dialog Semiconductor DA9063 RTC 144 device goldfish_rtc # QEMU RTC 145 146 # Ethernet drivers 147 device cgem # Cadence GEM Gigabit Ethernet device 148 device miibus # MII bus support 149 device xae # Xilinx AXI Ethernet MAC 150 151 # DMA support 152 device xdma # DMA interface 153 device axidma # Xilinx AXI DMA Controller 154 155 # GPIO 156 device gpio 157 158 # SPI 159 device spibus 160 device spigen 161 162 # Power management controllers 163 device da9063_pmic # Dialog Semiconductor DA9063 PMIC 164 165 # Uncomment for memory disk 166 # options MD_ROOT 167 # options MD_ROOT_SIZE=32768 # 32MB ram disk 168 # makeoptions MFS_IMAGE=/path/to/img 169 # options ROOTDEVNAME=\"ufs:/dev/md0\" 170 171 # Uncomment for virtio block device 172 # options ROOTDEVNAME=\"ufs:/dev/vtbd0\" 173 174 # Debugging support. Always need this: 175 options KDB # Enable kernel debugger support. 176 options KDB_TRACE # Print a stack trace for a panic. 177 # For full debugger support use (turn off in stable branch): 178 options DDB # Support DDB. 179 options GDB # Support remote GDB. 180 options DEADLKRES # Enable the deadlock resolver 181 options INVARIANTS # Enable calls of extra sanity checking 182 options INVARIANT_SUPPORT # Extra sanity checks of internal structures, required by INVARIANTS 183 options WITNESS # Enable checks to detect deadlocks and cycles 184 options WITNESS_SKIPSPIN # Don't run witness on spinlocks for speed 185 options MALLOC_DEBUG_MAXZONES=8 # Separate malloc(9) zones 186 options ALT_BREAK_TO_DEBUGGER # Enter debugger on keyboard escape sequence 187 # options EARLY_PRINTF 188 options VERBOSE_SYSINIT=0 # Support debug.verbose_sysinit, off by default 189 190 # Kernel dump features. 191 options ZSTDIO # zstd-compressed kernel and user dumps 192 193 # Pseudo devices. 194 device crypto # core crypto support 195 device loop # Network loopback 196 device ether # Ethernet support 197 device vlan # 802.1Q VLAN support 198 device tuntap # Packet tunnel. 199 device md # Memory "disks" 200 device gif # IPv6 and IPv4 tunneling 201 device firmware # firmware assist module 202 203 # The `bpf' device enables the Berkeley Packet Filter. 204 # Be aware of the administrative consequences of enabling this! 205 # Note that 'bpf' is required for DHCP. 206 device bpf # Berkeley packet filter 207 208 # Flattened Device Tree 209 options FDT 210 makeoptions MODULES_EXTRA+="dtb/sifive" 211 212 # I2C support 213 device iicbus # Bus support, required for iicoc below. 214 device iicoc # OpenCores I2C controller support 215 216 # Allwinner device drivers 217 device aw_wdog # Allwinner Watchdog 218 files "../allwinner/files.allwinner" 219 220 # SiFive device drivers 221 device fu740_pci_dw 222 device sifive_gpio 223 device sifive_spi 224 include "../sifive/std.sifive"
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