Apache NuttX RTOS for Pine64 Star64 JH7110 RISC-V SBC
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Build Script
#!/usr/bin/env bash
# Build NuttX for Star64
set -e # Exit when any command fails
set -x # Echo commands
git clone --branch 860571471da095948fa0c39ce8ac6593a1efbad7 https://github.com/apache/nuttx
git clone --branch ee71af840f543b067c72077ec7fe74c2c7153998 https://github.com/apache/nuttx-apps apps
cd nuttx
## Download the microSD Image sdcard.img
## - https://github.com/starfive-tech/VisionFive2/releases/download/VF2_v3.1.5/sdcard.img
## Write the downloaded image to a microSD Card with Balena Etcher or GNOME Disks.
## Check that microSD has been inserted.
if [ ! -d "/Volumes/NO NAME" ]
then
echo "Insert microSD"
exit 0
fi
## Clean up the NuttX Project
make distclean || true
## Show the version of GCC
riscv64-unknown-elf-gcc -v
## Configure and Build NuttX
rm -f nuttx.bin
tools/configure.sh star64:nsh
make
riscv64-unknown-elf-objcopy -O binary nuttx nuttx.bin
ls -l nuttx.bin
## Build Apps Filesystem as Initial RAM Disk
rm -f initrd
make export
pushd ../apps
tools/mkimport.sh -z -x ../nuttx/nuttx-export-*.tar.gz
make import
popd
genromfs -f initrd -d ../apps/bin -V "NuttXBootVol"
ls -l initrd
## Generate FIT Image
rm -f nuttx.its jh7110-visionfive-v2.dtb starfiveu.fit
wget https://raw.githubusercontent.com/lupyuen/nuttx-star64/main/nuttx.its
wget https://github.com/starfive-tech/VisionFive2/releases/download/VF2_v3.1.5/jh7110-visionfive-v2.dtb
mkimage -f nuttx.its -A riscv -O linux -T flat_dt starfiveu.fit
ls -l starfiveu.fit
## Copy to microSD
cp starfiveu.fit "/Volumes/NO NAME"
ls -l "/Volumes/NO NAME/starfiveu.fit"
## Unmount microSD
## TODO: Verify that /dev/disk2 is microSD
diskutil unmountDisk /dev/disk2
## Show the size
riscv64-unknown-elf-size nuttx
## Copy the config
cp .config nuttx.config
## Dump the disassembly to nuttx.S
riscv64-unknown-elf-objdump \
-t -S --demangle --line-numbers --wide \
nuttx \
>nuttx.S \
2>&1
## Dump the init disassembly to init.S
riscv64-unknown-elf-objdump \
-t -S --demangle --line-numbers --wide \
../apps/bin/init \
>init.S \
2>&1
## Boot Star64 with the microSD CardOutput Log
Script started on Mon Aug 7 16:27:21 2023
command: screen /dev/tty.usbserial-1420 115200
�[?1049h�[!p�[?3;4l�[4l�>�[4l�[?1h�=�[0m�(B�[1;61r�[H�[2J�[H�[2J
U-Boot SPL 2021.10 (Jan 19 2023 - 04:09:41 +0800)
DDR version: dc2e84f0.
Trying to boot from SPI
OpenSBI v1.2
____ _____ ____ _____
/ __ \ / ____| _ \_ _|
| | | |_ __ ___ _ __ | (___ | |_) || |
| | | | '_ \ / _ \ '_ \ \___ \| _ < | |
| |__| | |_) | __/ | | |____) | |_) || |_
\____/| .__/ \___|_| |_|_____/|____/_____|
| |
|_|
Platform Name : StarFive VisionFive V2
Platform Features : medeleg
Platform HART Count : 5
Platform IPI Device : aclint-mswi
Platform Timer Device : aclint-mtimer @ 4000000Hz
Platform Console Device : uart8250
Platform HSM Device : jh7110-hsm
Platform PMU Device : ---
Platform Reboot Device : pm-reset
Platform Shutdown Device : pm-reset
Firmware Base : 0x40000000
Firmware Size : 288 KB
Runtime SBI Version : 1.0
Domain0 Name : root
Domain0 Boot HART : 1
Domain0 HARTs : 0*,1*,2*,3*,4*
Domain0 Region00 : 0x0000000002000000-0x000000000200ffff (I)
Domain0 Region01 : 0x0000000040000000-0x000000004007ffff ()
Domain0 Region02 : 0x0000000000000000-0xffffffffffffffff (R,W,X)
Domain0 Next Address : 0x0000000040200000
Domain0 Next Arg1 : 0x0000000042200000
Domain0 Next Mode : S-mode
Domain0 SysReset : yes
Boot HART ID : 1
Boot HART Domain : root
Boot HART Priv Version : v1.11
Boot HART Base ISA : rv64imafdcbx
Boot HART ISA Extensions : none
Boot HART PMP Count : 8
Boot HART PMP Granularity : 4096
Boot HART PMP Address Bits: 34
Boot HART MHPM Count : 2
Boot HART MIDELEG : 0x0000000000000222
Boot HART MEDELEG : 0x000000000000b109
U-Boot 2021.10 (Jan 19 2023 - 04:09:41 +0800), Build: jenkins-github_visionfive2-6
CPU: rv64imacu
Model: StarFive VisionFive V2
DRAM: 8 GiB
MMC: sdio0@16010000: 0, sdio1@16020000: 1
Loading Environment from SPIFlash... SF: Detected gd25lq128 with page size 256 Bytes, erase size 4 KiB, total 16 MiB
OK
StarFive EEPROM format v2
--------EEPROM INFO--------
Vendor : PINE64
Product full SN: STAR64V1-2310-D008E000-00000003
data version: 0x2
PCB revision: 0xc1
BOM revision: A
Ethernet MAC0 address: 6c:cf:39:00:75:5d
Ethernet MAC1 address: 6c:cf:39:00:75:5e
--------EEPROM INFO--------
In: serial@10000000
Out: serial@10000000
Err: serial@10000000
Model: StarFive VisionFive V2
Net: eth0: ethernet@16030000, eth1: ethernet@16040000
switch to partitions #0, OK
mmc1 is current device
found device 1
bootmode flash device 1
Failed to load 'uEnv.txt'
Can't set block device
Hit any key to stop autoboot: 2 ��� 1 ��� 0
1579 bytes read in 5 ms (307.6 KiB/s)
Importing environment from mmc1 ...
Can't set block device
## Warning: defaulting to text format
switch to partitions #0, OK
mmc1 is current device
10232366 bytes read in 438 ms (22.3 MiB/s)
## Loading kernel from FIT Image at a0000000 ...
Using 'nuttx' configuration
Trying 'vmlinux' kernel subimage
Description: vmlinux
Type: Kernel Image
Compression: uncompressed
Data Start: 0xa00000b4
Data Size: 2097800 Bytes = 2 MiB
Architecture: RISC-V
OS: Linux
Load Address: 0x40200000
Entry Point: 0x40200000
Verifying Hash Integrity ... OK
## Loading fdt from FIT Image at a0000000 ...
Using 'nuttx' configuration
Trying 'fdt' fdt subimage
Description: unavailable
Type: Flat Device Tree
Compression: uncompressed
Data Start: 0xa09b58bc
Data Size: 50235 Bytes = 49.1 KiB
Architecture: RISC-V
Load Address: 0x46000000
Hash algo: sha256
Hash value: 42767c996f0544f513280805b41f996446df8b3956c656bdbb782125ae8ffeec
Verifying Hash Integrity ... sha256+ OK
Loading fdt from 0xa09b58bc to 0x46000000
Booting using the fdt blob at 0x46000000
## Loading loadables from FIT Image at a0000000 ...
Trying 'ramdisk' loadables subimage
Description: buildroot initramfs
Type: RAMDisk Image
Compression: uncompressed
Data Start: 0xa02003f0
Data Size: 8082432 Bytes = 7.7 MiB
Architecture: RISC-V
OS: Linux
Load Address: 0x46100000
Entry Point: unavailable
Hash algo: sha256
Hash value: 41cdaae1d74fbf5f03e1a9c52ca91a13b14efc3de12f6ad690cf7b45474703a7
Verifying Hash Integrity ... sha256+ OK
Loading loadables from 0xa02003f0 to 0x46100000
Loading Kernel Image
## Error: "cpu_vol_set" not defined
Booting kernel in
## Flattened Device Tree blob at 46000000
Booting using the fdt blob at 0x46000000
Using Device Tree in place at 0000000046000000, end 000000004600ffff
Starting kernel ...
clk u5_dw_i2c_clk_core already disabled
clk u5_dw_i2c_clk_apb already disabled
BC
NuttShell (NSH) NuttX-12.2.1-RC0
nsh>
nsh> uname -a
NuttX 12.2.1-RC0 8605714 Aug 7 2023 16:20:45 risc-v star64
nsh>
nsh> free
total used free largest nused nfree
Kmem: 2065400 14600 2050800 2049440 50 3
Page: 20971520 643072 20328448 20328448
nsh>
nsh> ls -l
/:
dr--r--r-- 0 dev/
dr--r--r-- 0 proc/
dr--r--r-- 0 system/
nsh>
nsh> help
help usage: help [-v] [<cmd>]
. break dd exit kill printf sleep uname
[ cat df false ls ps source umount
? cd dmesg fdinfo mkdir pwd test unset
alias cp echo free mkrd rm time uptime
unalias cmp env help mount rmdir true usleep
basename dirname exec hexdump mv set truncate xd
nsh>
nsh> ls -l /dev
/dev:
crw-rw-rw- 0 console
crw-rw-rw- 0 null
brw-rw-rw-16777216 ram0
crw-rw-rw- 0 ttyS0
crw-rw-rw- 0 zero
nsh>
nsh> ls -l /system
/system:
dr-xr-xr-x 0 bin/
nsh>
nsh> ls -l /system/bin
/system/bin:
-r-xr-xr-x 895184 getprime
-r-xr-xr-x 512432 hello
-r-xr-xr-x 3346072 init
-r-xr-xr-x 3327736 sh
nsh>
nsh> ls -l /system/bin/hello
-r-xr-xr-x 512432 /system/bin/hello
nsh>
nsh> hello
Hello, World!!
nsh>
nsh> getprime
Set thread priority to 10
Set thread policy to SCHED_RR
Start thread #0
thread #0 started, looking for primes < 10000, doing 10 run(s)
thread #0 finished, found 1230 primes, last one was 9973
Done
getprime took 0 msec
nsh>
nsh>
Script done on Mon Aug 7 16:28:20 2023