freebsd-skq/sys/riscv/conf/NOTES
Mitchell Horne eff4c46e28 RISC-V LINT kernel config
Create the RISC-V NOTES and LINT files. As of r366559, LINT configs are
no longer generated but checked in to the tree.

Reviewed by:	imp
Differential Revision:	https://reviews.freebsd.org/D26502
2020-10-09 14:45:41 +00:00

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#
# NOTES -- Lines that can be cut/pasted into kernel and hints configs.
#
# This file contains machine dependent kernel configuration notes. For
# machine independent notes, look in /sys/conf/NOTES.
#
# $FreeBSD$
#
cpu RISCV
makeoptions DEBUG=-g # Build kernel with gdb(1) debug symbols
makeoptions WITH_CTF=1 # Run ctfconvert(1) for DTrace support
options PRINTF_BUFR_SIZE=128 # Prevent printf output being interspersed.
options KDTRACE_FRAME # Ensure frames are compiled in
options KDTRACE_HOOKS # Kernel DTrace hooks
options DDB_CTF # Kernel ELF linker loads CTF data
options FPE # Floating-point extension support
options RACCT_DEFAULT_TO_DISABLED # Set kern.racct.enable=0 by default
options INTRNG # Include INTRNG framework
# RISC-V SBI console
device rcons
# EXT_RESOURCES pseudo devices
options EXT_RESOURCES
device clk
device phy
device regulator
device syscon
device syscon_power
device riscv_syscon
# Backlight subsystem
device backlight
# VirtIO support
device virtio # Generic VirtIO bus (required)
device virtio_pci # VirtIO PCI device
device vtnet # VirtIO Ethernet device
device virtio_blk # VirtIO Block device
device virtio_mmio # VirtIO MMIO bus
device virtio_random # VirtIO Entropy device
# NOTE: dtrace introduces CDDL-licensed components into the kernel
device dtrace # dtrace core
device dtraceall # include all dtrace modules
# Serial (COM) ports
device uart_lowrisc # lowRISC UART driver
device uart_ns8250 # ns8250-type UART driver
# RTC
device goldfish_rtc # QEMU RTC
# Ethernet drivers
device xae # Xilinx AXI Ethernet MAC
# DMA support
device xdma # DMA interface
device axidma # Xilinx AXI DMA Controller
# SPI
device xilinx_spi # Xilinx AXI Quad-SPI Controller
# SOC-specific
device fe310aon
device fu540spi
files "../sifive/files.sifive"
# Flattened Device Tree
options FDT
makeoptions MODULES_EXTRA+="dtb/sifive"
# FreeBSD/riscv didn't exist for these releases
nooptions COMPAT_FREEBSD4
nooptions COMPAT_FREEBSD5
nooptions COMPAT_FREEBSD6
nooptions COMPAT_FREEBSD7
nooptions COMPAT_FREEBSD9
nooptions COMPAT_FREEBSD10
nooptions COMPAT_FREEBSD11
# No support for remote GDB
nooptions GDB
# riscv doesn't support inb/outb, so disable chipset probing which needs it
nooptions PPC_PROBE_CHIPSET
# Makes assumptions about bus tags that aren't true on riscv
nodevice snd_cmi
# Don't yet have hwpmc(4)
nodevice hwpmc
nooptions HWPMC_HOOKS