# $NetBSD: GENERIC.common,v 1.22 2025/04/01 20:16:57 nia Exp $

#
# $NetBSD: GENERIC.common,v 1.22 2025/04/01 20:16:57 nia Exp $
#
# GENERIC common RISC-V kernel config items shared between 32 and 64
# kernels
#

maxusers 64 # estimated number of users

options FDT
options MULTIPROCESSOR

# Standard system options
options FPE # Floating-point extension support
options NTP # NTP phase/frequency locked loop

options KTRACE # system call tracing via ktrace(1)

# Heartbeat checks
options HEARTBEAT
options HEARTBEAT_MAX_PERIOD_DEFAULT=15

# Note: SysV IPC parameters could be changed dynamically, see sysctl(8).
options SYSVMSG # System V-like message queues
options SYSVSEM # System V-like semaphores
options SYSVSHM # System V-like memory sharing

options MODULAR # new style module(7) framework
options MODULAR_DEFAULT_AUTOLOAD
options USERCONF # userconf(4) support
#options PIPE_SOCKETPAIR # smaller, but slower pipe(2)
options SYSCTL_INCLUDE_DESCR # Include sysctl descriptions in kernel

# Alternate buffer queue strategies for better responsiveness under high
# disk I/O load.
#options BUFQ_READPRIO
options BUFQ_PRIOCSCAN

# These options enable verbose messages for several subsystems.
# Warning, these may compile large string tables into the kernel!
#options USBVERBOSE # verbose USB device autoconfig messages

#
# Because gcc omits the frame pointer for any -O level, the line below
# is needed to make backtraces in DDB work.
#
makeoptions COPTS="-O2 -fno-omit-frame-pointer"
makeoptions COPY_SYMTAB=1
options DDB # in-kernel debugger
#options DDB_COMMANDONENTER="bt" # execute command when ddb is entered
options DDB_ONPANIC=1 # see also sysctl(7): `ddb.onpanic'
options DDB_HISTORY_SIZE=512 # enable history editing in DDB
#options KGDB # remote debugger
#options KGDB_DEVNAME="\"com\"",KGDB_DEVADDR=0x3f8,KGDB_DEVRATE=9600
#options SYSCALL_STATS # per syscall counts
#options SYSCALL_TIMES # per syscall times
#options SYSCALL_TIMES_HASCOUNTER # use 'broken' rdtsc (soekris)

# Compatibility options
include "conf/compat_netbsd100.config"

# Wedge support
options DKWEDGE_AUTODISCOVER # Automatically add dk(4) instances
options DKWEDGE_METHOD_GPT # Supports GPT partitions as wedges
options DKWEDGE_METHOD_BSDLABEL # Support disklabel entries as wedges
options DKWEDGE_METHOD_MBR # Support MBR partitions as wedges
options DKWEDGE_METHOD_APPLE # Support Apple partitions as wedges
#options DKWEDGE_METHOD_RDB # Support RDB partitions as wedges
#options DKWEDGE_METHOD_TOS # Support Atari "TOS" partitions as wedges

include "conf/filesystems.config"

# File system options
options FFS_EI # FFS Endian Independent support
#options FFS_NO_SNAPSHOT # No FFS snapshot support
options QUOTA # legacy UFS quotas
options QUOTA2 # new, in-filesystem UFS quotas
#options UFS_DIRHASH # UFS Large Directory Hashing
options WAPBL # File system journaling support
#options DISKLABEL_EI # disklabel Endian Independent support
options NFSSERVER # Network File System server
options NFS_BOOT_DHCP # Support DHCP NFS root

# Networking options
#options GATEWAY # packet forwarding
options INET # IP + ICMP + TCP + UDP
options INET6 # IPV6
options IPSEC # IP security
#options IPSEC_DEBUG # debug for IP security
#options MPLS # MultiProtocol Label Switching (needs mpls)
#options MROUTING # IP multicast routing
#options PIM # Protocol Independent Multicast
#options NETATALK # AppleTalk networking protocols
#options PPP_BSDCOMP # BSD-Compress compression support for PPP
#options PPP_DEFLATE # Deflate compression support for PPP
#options PPP_FILTER # Active filter support for PPP (requires bpf)
#options TCP_DEBUG # Record last TCP_NDEBUG packets with SO_DEBUG

#options ALTQ # Manipulate network interfaces' output queues
#options ALTQ_BLUE # Stochastic Fair Blue
#options ALTQ_CBQ # Class-Based Queueing
#options ALTQ_CDNR # Diffserv Traffic Conditioner
#options ALTQ_FIFOQ # First-In First-Out Queue
#options ALTQ_FLOWVALVE # RED/flow-valve (red-penalty-box)
#options ALTQ_HFSC # Hierarchical Fair Service Curve
#options ALTQ_LOCALQ # Local queueing discipline
#options ALTQ_PRIQ # Priority Queueing
#options ALTQ_RED # Random Early Detection
#options ALTQ_RIO # RED with IN/OUT
#options ALTQ_WFQ # Weighted Fair Queueing

# These options enable verbose messages for several subsystems.
# Warning, these may compile large string tables into the kernel!

# Kernel root file system and dump configuration.
config netbsd root on ? type ?

#
# Device configuration
#

mainbus0 at root
simplebus* at fdt? pass 0

# CPUs
cpus* at fdt? pass 0
cpu* at fdt? pass 0

intc* at cpu? pass 1

# Fixed Clocks
fclock* at fdt? pass 1

# System Controller
syscon* at fdt? pass 1 # Generic System Controller

# Core-level Interrupt Control block
#clint0 at fdt? pass 2

# Platform-Level Interrupt Controller
plic* at fdt? pass 2

# UART
com* at fdt? # UART

# Firmware devices
qemufwcfg* at fdt? # QEMU Firmware Configuration device

# RTC devices
gfrtc* at fdt? # Google Goldfish RTC

# PCIE
pcihost* at fdt? # Generic PCI host controller
pci* at pcibus?
ppb* at pci? dev ? function ?
pci* at ppb?

# USB
xhci* at fdt? # XHCI
xhci* at pci? # XHCI
usb* at usbus?
include "dev/usb/usbdevices.config"
midi* at midibus?
pseudo-device sequencer # MIDI sequencer

# NVMe
nvme* at pci? dev ? function ?
ld* at nvme? nsid ?

# Audio
audio* at audiobus?
auich* at pci? dev ? function ? # Intel AC'97 Audio (QEMU)
eap* at pci? dev ? function ? # Ensoniq AudioPCI (QEMU)

# I2C controllers
dwiic* at fdt? # Designware I2C
iic* at i2cbus?

# I2C devices
#axppmic* at iic? # X-Powers AXP Power Management IC
#axpreg* at axppmic?

# Virtio devices
virtio* at fdt? # Virtio MMIO device

include "dev/virtio/virtio.config"
no vio9p* at virtio? # XXX ?
no viomb* at virtio? # XXX ?
no vioscsi* at virtio? # XXX ?

# Pseudo-Devices
# network pseudo-devices
pseudo-device bpfilter # Berkeley packet filter
pseudo-device bridge # simple inter-network bridging
pseudo-device carp # Common Address Redundancy Protocol
pseudo-device gif # IPv[46] over IPv[46] tunnel (RFC 1933)
pseudo-device gre # generic L3 over IP tunnel
pseudo-device ipsecif # interface for routing-based ipsec
pseudo-device loop # network loopback
pseudo-device npf # NPF packet filter
pseudo-device ppp # Point-to-Point Protocol
pseudo-device pppoe # PPP over Ethernet (RFC 2516)
pseudo-device swcrypto # software crypto implementation
pseudo-device tun # network tunneling over tty
pseudo-device tap # virtual Ethernet
pseudo-device vether # Virtual Ethernet for bridge
pseudo-device vlan # IEEE 802.1q encapsulation

# miscellaneous pseudo-devices
pseudo-device clockctl # user control of clock subsystem
pseudo-device crypto # /dev/crypto device
pseudo-device lockstat # lock profiling
pseudo-device ksyms # /dev/ksyms
pseudo-device openfirm # /dev/openfirm
pseudo-device pad # pseudo audio device
pseudo-device pty # pseudo-terminals
#options RND_COM
pseudo-device swwdog # software watchdog timer -- swwdog(4)

# disk/mass storage pseudo-devices
#pseudo-device md # memory disk device (ramdisk)
#options MEMORY_DISK_HOOKS # enable root ramdisk
#options MEMORY_DISK_DYNAMIC # loaded via kernel module(7)

pseudo-device vnd # disk-like interface to files
options VND_COMPRESSION # compressed vnd(4)

# userland interface to drivers, including autoconf and properties retrieval
pseudo-device drvctl

options PAX_MPROTECT=0 # PaX mprotect(2) restrictions
options PAX_ASLR=0 # PaX Address Space Layout Randomization

# Pull in optional local configuration - always at end
cinclude "arch/riscv/conf/GENERIC.local"