1# 2# NOTES -- Lines that can be cut/pasted into kernel and hints configs. 3# 4# This file contains machine dependent kernel configuration notes. For 5# machine independent notes, look in /sys/conf/NOTES. 6# 7# 8 9cpu RISCV 10 11makeoptions DEBUG=-g # Build kernel with gdb(1) debug symbols 12makeoptions WITH_CTF=1 # Run ctfconvert(1) for DTrace support 13 14options PRINTF_BUFR_SIZE=128 # Prevent printf output being interspersed. 15options KDTRACE_FRAME # Ensure frames are compiled in 16options KDTRACE_HOOKS # Kernel DTrace hooks 17options DDB_CTF # Kernel ELF linker loads CTF data 18options RACCT_DEFAULT_TO_DISABLED # Set kern.racct.enable=0 by default 19 20# RISC-V SBI console 21device rcons 22 23# pseudo devices 24device clk 25device hwreset 26device phy 27device regulator 28device syscon 29device syscon_power 30device riscv_syscon 31 32# Backlight subsystem 33device backlight 34 35# NOTE: dtrace introduces CDDL-licensed components into the kernel 36device dtrace # dtrace core 37device dtraceall # include all dtrace modules 38 39# Serial (COM) ports 40device uart_lowrisc # lowRISC UART driver 41device uart_ns8250 # ns8250-type UART driver 42 43# RTC 44device da9063_rtc # Dialog Semiconductor DA9063 RTC 45device goldfish_rtc # QEMU RTC 46 47# Ethernet drivers 48device xae # Xilinx AXI Ethernet MAC 49 50# DMA support 51device xdma # DMA interface 52device axidma # Xilinx AXI DMA Controller 53 54# SPI 55device xilinx_spi # Xilinx AXI Quad-SPI Controller 56 57# Power management controllers 58device da9063_pmic # Dialog Semiconductor DA9063 PMIC 59 60# SiFive device drivers 61device fe310aon 62device fu740_pci_dw 63device sifive_gpio 64device sifive_spi 65files "../sifive/files.sifive" 66 67# Flattened Device Tree 68options FDT 69makeoptions MODULES_EXTRA+="dtb/sifive" 70 71# FreeBSD/riscv didn't exist for these releases 72nooptions COMPAT_FREEBSD4 73nooptions COMPAT_FREEBSD5 74nooptions COMPAT_FREEBSD6 75nooptions COMPAT_FREEBSD7 76nooptions COMPAT_FREEBSD9 77nooptions COMPAT_FREEBSD10 78nooptions COMPAT_FREEBSD11 79 80# riscv doesn't support inb/outb, so disable chipset probing which needs it 81nooptions PPC_PROBE_CHIPSET 82 83# Makes assumptions about bus tags that aren't true on riscv 84nodevice snd_cmi 85 86# Don't yet have hwpmc(4) 87nodevice hwpmc 88nooptions HWPMC_HOOKS 89 90# riscv doesn't yet have atomic_testandset_int and atomic_testandclear_int. 91nodevice ccr 92nodevice cxgbe 93nodevice cxgbev 94