Index: head/sys/riscv/conf/LINT =================================================================== --- head/sys/riscv/conf/LINT +++ head/sys/riscv/conf/LINT @@ -0,0 +1,4 @@ +# $FreeBSD$ + +include "../../conf/NOTES" +include NOTES Index: head/sys/riscv/conf/NOTES =================================================================== --- head/sys/riscv/conf/NOTES +++ head/sys/riscv/conf/NOTES @@ -0,0 +1,96 @@ +# +# 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