[R2S]拿到R2s软路由,如何熟悉单板

148 阅读21分钟

注:R2S主要参考其官方wiki wiki.friendlyelec.com/wiki/index.…,但是有些细节需要注意一下,因为官方wiki我无法修改补充,所以填这里,以免掉坑: //R2S单板的串口波特率不是常用的115200,而是1500000 (15后面5个0),这种波特率在windows下无法支持,只能在linux下使用串口工具打开,比如linux下的putty工具,如下红色部分所示:

7zip跑分

root@FriendlyWrt:/mnt# ./7zzs b

7-Zip (z) 21.07 (armt) : Copyright (c) 1999-2021 Igor Pavlov : 2021-12-26
 32-bit arm_v:7 thumb:2 locale=C UTF8=- Threads:4

Compiler: 9.2.1 20191025 GCC 9.2.1
Linux : 5.10.43 : #1 SMP PREEMPT Thu Jun 17 13:41:22 CST 2021 : aarch64
PageSize:4KB THP:madvise hwcap:37B0D6:NEON hwcap2:1F:CRC32:SHA1:SHA2:AES
LE 

1T CPU Freq (MHz):   698  1169  1293  1293  1293  1293  1293
2T CPU Freq (MHz): 199% 1291   199% 1291  

RAM size:     949 MB,  # CPU hardware threads:   4
RAM usage:    889 MB,  # Benchmark threads:      4

                       Compressing  |                  Decompressing
Dict     Speed Usage    R/U Rating  |      Speed Usage    R/U Rating
         KiB/s     %   MIPS   MIPS  |      KiB/s     %   MIPS   MIPS

22:       2616   338    752   2546  |      61737   395   1335   5267
23:       2549   349    745   2597  |      60375   394   1325   5224
24:       2479   357    747   2666  |      59311   395   1317   5205
25:       2255   344    749   2576  |      57131   391   1300   5085
----------------------------------  | ------------------------------
Avr:      2475   347    749   2596  |      59639   394   1319   5195
Tot:             370   1034   3896

FriendlyWrt版本的开机显示

BusyBox v1.30.1 () built-in shell (ash)

 ___    _             _ _    __      __   _
| __| _(_)___ _ _  __| | |_  \ \    / / _| |_
| _| '_| / -_) ' \/ _` | | || \ \/\/ / '_|  _|
|_||_| |_\___|_||_\__,_|_|\_, |\_/\_/|_|  \__|
                          |__/
 -----------------------------------------------------
 FriendlyWrt 19.07.5, r11257-5090152ae3
 -----------------------------------------------------

root@FriendlyWrt:/# uname -a

Linux FriendlyWrt 5.10.43 #1 SMP PREEMPT Thu Jun 17 13:41:22 CST 2021 aarch64 GNU/Linux

root@FriendlyWrt:/# cat /etc/os-release

NAME="OpenWrt"
VERSION="19.07.5"
ID="openwrt"
ID_LIKE="lede openwrt"
PRETTY_NAME="OpenWrt 19.07.5"
VERSION_ID="19.07.5"
HOME_URL="https://openwrt.org/"
BUG_URL="https://bugs.openwrt.org/"
SUPPORT_URL="https://forum.openwrt.org/"
BUILD_ID="r11257-5090152ae3"
OPENWRT_BOARD="rockchip-rk3328/generic"
OPENWRT_ARCH="aarch64_cortex-a53"
OPENWRT_TAINTS=""
OPENWRT_DEVICE_MANUFACTURER="OpenWrt"
OPENWRT_DEVICE_MANUFACTURER_URL="https://openwrt.org/"
OPENWRT_DEVICE_PRODUCT="Generic"
OPENWRT_DEVICE_REVISION="v0"
OPENWRT_RELEASE="OpenWrt 19.07.5 r11257-5090152ae3"

root@FriendlyWrt:/# root@FriendlyWrt:/# lsmod

act_connmark           20480  0 
act_mirred             20480  0 
act_skbedit            16384  0 
aes_neon_blk           28672  1 aes_neon_bs
aes_neon_bs            28672  0 
af_key                 40960  0 
ah4                    24576  0 
atm                    69632  1 br2684
authenc                16384  0 
br_netfilter           28672  0 
br2684                 24576  0 
brcmfmac              278528  0 
brcmutil               16384  1 brcmfmac
bridge                221184  1 br_netfilter
btrfs                1298432  0 
cdc_mbim               20480  0 
cdc_ncm                36864  1 cdc_mbim
cfg80211              729088  4 brcmfmac,rtl8822bu,rtl8821CU,rtl8812au
chacha_neon            24576  1 libchacha20poly1305
cls_basic              20480  0 
cls_flow               24576  0 
cls_fw                 24576  0 
cls_route              24576  0 
cls_tcindex            24576  0 
cls_u32                28672  0 
configs                57344  0 
dm_crypt               49152  0 
dm_log                 20480  2 dm_mirror,dm_region_hash
dm_mirror              28672  0 
dm_region_hash         24576  1 dm_mirror
dummy                  20480  0 
echainiv               16384  0 
em_u32                 16384  0 
encrypted_keys         20480  1 dm_crypt
esp4                   24576  0 
gre                    20480  2 pptp,ip_gre
ifb                    20480  0 
ip_gre                 28672  0 
ip_set                 45056 16 xt_set,ip_set_list_set,ip_set_hash_netportnet,ip_set_hash_netport,ip_set_hash_netnet,ip_set_hash_netiface,ip_set_hash_net,ip_set_hash_mac,ip_set_hash_ipportnet,ip_set_hash_ipportip,ip_set_hash_ipport,ip_set_hash_ipmark,ip_set_hash_ip,ip_set_bitmap_port,ip_set_bitmap_ipmac,ip_set_bitmap_ip
ip_set_bitmap_ip       24576  0 
ip_set_bitmap_ipmac    24576  0 
ip_set_bitmap_port     24576  0 
ip_set_hash_ip         45056  0 
ip_set_hash_ipmark     45056  0 
ip_set_hash_ipport     45056  0 
ip_set_hash_ipportip   45056  0 
ip_set_hash_ipportnet   49152  0 
ip_set_hash_mac        28672  0 
ip_set_hash_net        45056  0 
ip_set_hash_netiface   49152  0 
ip_set_hash_netnet     49152  0 
ip_set_hash_netport    49152  0 
ip_set_hash_netportnet   49152  0 
ip_set_list_set        20480  0 
ip_tables              32768  5 iptable_nat,iptable_raw,iptable_mangle,iptable_filter
ip_tunnel              28672  1 ip_gre
ip6_tables             32768 25 ip6table_raw,ip6table_mangle,ip6table_filter
ip6_udp_tunnel         16384  2 wireguard,l2tp_core
ip6t_REJECT            16384  2 
ip6t_rpfilter          16384  0 
ip6table_filter        16384  1 
ip6table_mangle        16384  1 
ip6table_raw           16384  1 
ipcomp                 20480  0 
ipt_CLUSTERIP          24576  0 
ipt_ECN                16384  0 
ipt_REJECT             16384  2 
ipt_ah                 20480  0 
ipt_rpfilter           16384  0 
iptable_filter         16384  1 
iptable_mangle         16384  1 
iptable_nat            16384  1 
iptable_raw            16384  1 
l2tp_core              40960  2 l2tp_ppp,l2tp_netlink
l2tp_netlink           24576  1 l2tp_ppp
l2tp_ppp               28672  0 
ledtrig_netdev         20480  0 
libblake2s             16384  1 wireguard
libblake2s_generic     20480  1 libblake2s
libchacha              16384  1 chacha_neon
libchacha20poly1305    16384  1 wireguard,[permanent]
libcurve25519_generic   36864  1 wireguard
llc                    20480  2 bridge,stp
macvlan                32768  0 
nf_conncount           28672  1 xt_connlimit
nf_conntrack          143360 35 xt_state,xt_nat,xt_helper,xt_conntrack,xt_connmark,xt_connlimit,xt_connbytes,xt_cluster,xt_REDIRECT,xt_NETMAP,xt_MASQUERADE,xt_CT,nf_nat_tftp,nf_nat_snmp_basic,nf_nat_sip,nf_nat_pptp,nf_nat_irc,nf_nat_h323,nf_nat_ftp,nf_nat_amanda,nf_nat,nf_flow_table,nf_conntrack_tftp,nf_conntrack_snmp,nf_conntrack_sip,nf_conntrack_pptp,nf_conntrack_netlink,nf_conntrack_irc,nf_conntrack_h323,nf_conntrack_ftp,nf_conntrack_broadcast,nf_conntrack_amanda,nf_conncount,ipt_CLUSTERIP,act_connmark
nf_conntrack_amanda    16384  3 nf_nat_amanda
nf_conntrack_broadcast   16384  1 nf_conntrack_snmp
nf_conntrack_ftp       24576  3 nf_nat_ftp
nf_conntrack_h323      61440  5 nf_nat_h323
nf_conntrack_irc       20480  2 nf_nat_irc
nf_conntrack_netlink   49152  0 
nf_conntrack_pptp      24576  2 nf_nat_pptp
nf_conntrack_sip       36864  5 nf_nat_sip
nf_conntrack_snmp      16384  2 nf_nat_snmp_basic
nf_conntrack_tftp      20480  3 nf_nat_tftp
nf_defrag_ipv4         16384  3 xt_socket,xt_TPROXY,nf_conntrack
nf_defrag_ipv6         24576  3 xt_socket,xt_TPROXY,nf_conntrack
nf_dup_ipv4            20480  1 xt_TEE
nf_dup_ipv6            20480  1 xt_TEE
nf_flow_table          36864  0 
nf_log_common          16384  2 nf_log_ipv4,nf_log_ipv6
nf_log_ipv4            16384  0 
nf_log_ipv6            16384  0 
nf_nat                 61440 12 iptable_nat,xt_nat,xt_REDIRECT,xt_NETMAP,xt_MASQUERADE,nf_nat_tftp,nf_nat_sip,nf_nat_pptp,nf_nat_irc,nf_nat_h323,nf_nat_ftp,nf_nat_amanda
nf_nat_amanda          16384  0 
nf_nat_ftp             20480  0 
nf_nat_h323            24576  0 
nf_nat_irc             20480  0 
nf_nat_pptp            20480  0 
nf_nat_sip             20480  0 
nf_nat_snmp_basic      20480  0 
nf_nat_tftp            16384  0 
nf_reject_ipv4         16384  1 ipt_REJECT
nf_reject_ipv6         20480  1 ip6t_REJECT
nf_socket_ipv4         20480  1 xt_socket
nf_socket_ipv6         20480  1 xt_socket
nf_tproxy_ipv4         20480  1 xt_TPROXY
nf_tproxy_ipv6         20480  1 xt_TPROXY
nfnetlink              16384  6 nfnetlink_queue,nfnetlink_log,nf_conntrack_netlink,ip_set
nfnetlink_log          24576  0 
nfnetlink_queue        24576  0 
poly1305_neon          20480  1 libchacha20poly1305
ppp_async              24576  0 
ppp_mppe               16384  0 
pppoe                  28672  0 
pppox                  16384  3 pppoe,l2tp_ppp,pptp
pptp                   32768  0 
r8152                  77824  0 
raid6_pq              106496  1 btrfs
rtl8812au            2949120  0 
rtl8821CU            1851392  0 
rtl8822bu            2297856  0 
sch_codel              20480  0 
sch_fq_codel           20480  0 
sch_hfsc               24576  0 
sch_htb                28672  0 
sch_ingress            16384  0 
sch_pie                20480  0 
sch_sfq                24576  0 
sch_tbf                20480  0 
seqiv                  16384  0 
stp                    20480  1 bridge
ts_bm                  16384  0 
ts_fsm                 16384  0 
ts_kmp                 16384  6 
tun                    57344  0 
tunnel4                16384  1 xfrm4_tunnel
udp_tunnel             24576  2 wireguard,l2tp_core
veth                   28672  0 
wireguard              77824  0 
x_tables               36864 67 ipt_REJECT,xt_u32,xt_time,xt_tcpudp,xt_tcpmss,xt_string,xt_statistic,xt_state,xt_socket,xt_recent,xt_quota,xt_policy,xt_pkttype,xt_physdev,xt_owner,xt_nat,xt_multiport,xt_mark,xt_mac,xt_limit,xt_length,xt_iprange,xt_hl,xt_helper,xt_hashlimit,xt_esp,xt_ecn,xt_dscp,xt_conntrack,xt_connmark,xt_connlimit,xt_connbytes,xt_comment,xt_cluster,xt_bpf,xt_addrtype,xt_TRACE,xt_TPROXY,xt_TEE,xt_TCPMSS,xt_REDIRECT,xt_NFQUEUE,xt_NFLOG,xt_NETMAP,xt_MASQUERADE,xt_LOG,xt_LED,xt_HL,xt_DSCP,xt_CT,xt_CLASSIFY,xt_CHECKSUM,iptable_raw,iptable_mangle,iptable_filter,ipt_rpfilter,ipt_ah,ipt_ECN,ipt_CLUSTERIP,ip6table_raw,ip6t_rpfilter,ip_tables,xt_set,ip6table_mangle,ip6table_filter,ip6_tables,ip6t_REJECT
xfrm_ipcomp            16384  1 ipcomp
xfrm4_tunnel           16384  0 
xor                    20480  1 btrfs
xor_neon               16384  1 xor
xt_CHECKSUM            16384  0 
xt_CLASSIFY            16384  0 
xt_CT                  20480 17 
xt_DSCP                16384  0 
xt_HL                  16384  0 
xt_LED                 16384  0 
xt_LOG                 20480  0 
xt_MASQUERADE          20480  1 
xt_NETMAP              20480  0 
xt_NFLOG               16384  0 
xt_NFQUEUE             16384  0 
xt_REDIRECT            20480  0 
xt_TCPMSS              16384  4 
xt_TEE                 16384  0 
xt_TPROXY              20480  0 
xt_TRACE               16384  0 
xt_addrtype            16384  0 
xt_bpf                 20480  0 
xt_cluster             16384  0 
xt_comment             16384152 
xt_connbytes           16384  0 
xt_connlimit           16384  0 
xt_connmark            20480  6 
xt_conntrack           16384 16 
xt_dscp                16384  0 
xt_ecn                 16384  0 
xt_esp                 20480  0 
xt_hashlimit           24576  0 
xt_helper              16384  0 
xt_hl                  16384  0 
xt_iprange             20480  0 
xt_length              16384  2 
xt_limit               16384 20 
xt_mac                 16384  0 
xt_mark                16384 36 
xt_multiport           20480 10 
xt_nat                 16384  0 
xt_owner               16384  0 
xt_physdev             16384  0 
xt_pkttype             16384  0 
xt_policy              16384  0 
xt_quota               16384  0 
xt_recent              24576  0 
xt_set                 20480  0 
xt_socket              16384  0 
xt_state               16384  0 
xt_statistic           20480  0 
xt_string              16384  0 
xt_tcpmss              16384  0 
xt_tcpudp              20480 43 
xt_time                16384  0 
xt_u32                 16384  0 
zstd_compress         159744  1 btrfs

root@FriendlyWrt:/# root@FriendlyWrt:/# cd /proc root@FriendlyWrt:/proc# cat cpuinfo

processor       : 0
BogoMIPS        : 48.00
Features        : fp asimd evtstrm aes pmull sha1 sha2 crc32 cpuid
CPU implementer : 0x41
CPU architecture: 8
CPU variant     : 0x0
CPU part        : 0xd03
CPU revision    : 4

processor       : 1
BogoMIPS        : 48.00
Features        : fp asimd evtstrm aes pmull sha1 sha2 crc32 cpuid
CPU implementer : 0x41
CPU architecture: 8
CPU variant     : 0x0
CPU part        : 0xd03
CPU revision    : 4

processor       : 2
BogoMIPS        : 48.00
Features        : fp asimd evtstrm aes pmull sha1 sha2 crc32 cpuid
CPU implementer : 0x41
CPU architecture: 8
CPU variant     : 0x0
CPU part        : 0xd03
CPU revision    : 4

processor       : 3
BogoMIPS        : 48.00
Features        : fp asimd evtstrm aes pmull sha1 sha2 crc32 cpuid
CPU implementer : 0x41
CPU architecture: 8
CPU variant     : 0x0
CPU part        : 0xd03
CPU revision    : 4

root@FriendlyWrt:/proc# cat meminfo

MemTotal:         972648 kB
MemFree:          641636 kB
MemAvailable:     802500 kB
Buffers:            7956 kB
Cached:           180624 kB
SwapCached:            0 kB
Active:            74664 kB
Inactive:         153872 kB
Active(anon):       1032 kB
Inactive(anon):    43128 kB
Active(file):      73632 kB
Inactive(file):   110744 kB
Unevictable:           4 kB
Mlocked:               0 kB
SwapTotal:             0 kB
SwapFree:              0 kB
Dirty:                 0 kB
Writeback:             0 kB
AnonPages:         40008 kB
Mapped:            58580 kB
Shmem:              5956 kB
KReclaimable:      42024 kB
Slab:              68076 kB
SReclaimable:      42024 kB
SUnreclaim:        26052 kB
KernelStack:        2544 kB
PageTables:         1128 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:      486324 kB
Committed_AS:     263728 kB
VmallocTotal:   262930368 kB
VmallocUsed:       18028 kB
VmallocChunk:          0 kB
Percpu:              896 kB
AnonHugePages:         0 kB
ShmemHugePages:        0 kB
ShmemPmdMapped:        0 kB
FileHugePages:         0 kB
FilePmdMapped:         0 kB
CmaTotal:          16384 kB
CmaFree:           12272 kB
HugePages_Total:       0
HugePages_Free:        0
HugePages_Rsvd:        0
HugePages_Surp:        0
Hugepagesize:       2048 kB
Hugetlb:               0 kB

root@FriendlyWrt:/proc# cat mounts

sysfs /sys sysfs rw,nosuid,nodev,noexec,relatime 0 0
proc /proc proc rw,nosuid,nodev,noexec,relatime 0 0
udev /dev devtmpfs rw,nosuid,noexec,relatime,size=469580k,nr_inodes=117395,mode=755 0 0
devpts /dev/pts devpts rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000 0 0
tmpfs /run tmpfs rw,nosuid,nodev,noexec,relatime,size=97268k,mode=755 0 0
overlay / overlay rw,noatime,lowerdir=/root,upperdir=/data/root,workdir=/data/work 0 0
proc /proc proc rw,nosuid,nodev,noexec,noatime 0 0
tmpfs /tmp tmpfs rw,nosuid,nodev,noatime 0 0
tmpfs /dev tmpfs rw,nosuid,relatime,size=512k,mode=755 0 0
devpts /dev/pts devpts rw,nosuid,noexec,relatime,mode=600,ptmxmode=000 0 0
debugfs /sys/kernel/debug debugfs rw,noatime 0 0
cgroup /sys/fs/cgroup tmpfs rw,relatime,mode=755 0 0
cgroup /sys/fs/cgroup/cpuset cgroup rw,relatime,cpuset 0 0
cgroup /sys/fs/cgroup/cpu cgroup rw,relatime,cpu 0 0
cgroup /sys/fs/cgroup/cpuacct cgroup rw,relatime,cpuacct 0 0
cgroup /sys/fs/cgroup/blkio cgroup rw,relatime,blkio 0 0
cgroup /sys/fs/cgroup/memory cgroup rw,relatime,memory 0 0
cgroup /sys/fs/cgroup/devices cgroup rw,relatime,devices 0 0
cgroup /sys/fs/cgroup/freezer cgroup rw,relatime,freezer 0 0
cgroup /sys/fs/cgroup/net_cls cgroup rw,relatime,net_cls 0 0
cgroup /sys/fs/cgroup/perf_event cgroup rw,relatime,perf_event 0 0
cgroup /sys/fs/cgroup/net_prio cgroup rw,relatime,net_prio 0 0
cgroup /sys/fs/cgroup/hugetlb cgroup rw,relatime,hugetlb 0 0
cgroup /sys/fs/cgroup/pids cgroup rw,relatime,pids 0 0
overlay /opt overlay rw,noatime,lowerdir=/root,upperdir=/data/root,workdir=/data/work 0 0
mountd(pid3748) /tmp/run/blockd autofs rw,relatime,fd=7,pgrp=1,timeout=21474836510,minproto=5,maxproto=5,indirect 0 0

root@FriendlyWrt:/proc# cat cmdline

storagemedia=sd androidboot.storagemedia=sd androidboot.mode=normal androidboot.dtbo_idx=1 swiotlb=1 coherent_pool=1m rw root=/dev/mmcblk0p8 rootfstype=ext4 data=/dev/mmcblk0p9 consoleblank=0 cgroup_enable=cpuset cgroup_memory=1 cgroup_enable=memory swapaccount=1

root@FriendlyWrt:/proc# cat interrupts

           CPU0       CPU1       CPU2       CPU3       
 11:      22888      25264      24174      22117     GICv2  30 Level     arch_timer
 14:          0          0          0          0     GICv2  32 Level     ff1f0000.dmac
 15:          0          0          0          0     GICv2  33 Level     ff1f0000.dmac
 16:          0          0          0          0     GICv2 132 Level     arm-pmu
 17:          0          0          0          0     GICv2 133 Level     arm-pmu
 18:          0          0          0          0     GICv2 134 Level     arm-pmu
 19:          0          0          0          0     GICv2 135 Level     arm-pmu
 21:         30          0          0          0     GICv2  89 Level     ttyS2
 22:          0          0          0          0     GICv2  68 Level     ff150000.i2c
 23:       1065          0          0          0     GICv2  69 Level     ff160000.i2c
 24:          0          0          0          0     GICv2  72 Edge      ff1a0000.watchdog
 25:          0          0          0          0     GICv2  90 Level     rockchip_thermal
 34:          0          0          0          0     GICv2  43 Level     ff350800.iommu
 35:          0          0          0          0     GICv2 109 Level     rockchip_u3phy
 36:      32056          0          0          0     GICv2  44 Level     dw-mci
 37:          0          0          0          0     GICv2  56 Level     eth0
 38:          0          0          0          0     GICv2  55 Level     ff580000.usb, ff580000.usb, dwc2_hsotg:usb1
 39:          0          0          0          0     GICv2  48 Level     ehci_hcd:usb2
 40:          0          0          0          0     GICv2  49 Level     ohci_hcd:usb3
 45:          0          0          0          0     GICv2  91 Level     rockchip_usb2phy_bvalid
 46:          0          0          0          0     GICv2  94 Level     rockchip_usb2phy
 47:          0          0      12591          0     GICv2  99 Level     xhci-hcd:usb4
 48:          0          0          0          0  rockchip_gpio_irq  24 Level     rk805
 49:          0          0          0          0     rk805   0 Edge      rk805_pwrkey_fall
 54:          0          0          0          0     rk805   5 Edge      RTC alarm
 56:          0          0          0          0     rk805   7 Edge      rk805_pwrkey_rise
 57:          0          0          0          0  rockchip_gpio_irq   0 Edge      K1
IPI0:     11643      14628      14178      15393       Rescheduling interrupts
IPI1:      2274       2441       1316       1707       Function call interrupts
IPI2:         0          0          0          0       CPU stop interrupts
IPI3:         0          0          0          0       CPU stop (for crash dump) interrupts
IPI4:      3572       4257       3696       4283       Timer broadcast interrupts
IPI5:      7480       7713       7471       6514       IRQ work interrupts
IPI6:         0          0          0          0       CPU wake-up interrupts
Err:          0

root@FriendlyWrt:/proc# cat devices

Character devices:
  1 mem
  4 /dev/vc/0
  4 tty
  4 ttyS
  5 /dev/tty
  5 /dev/console
  5 /dev/ptmx
  5 ttyprintk
  7 vcs
 10 misc
 13 input
 29 fb
 81 video4linux
 89 i2c
108 ppp
116 alsa
128 ptm
136 pts
153 spi
166 ttyACM
180 usb
188 ttyUSB
189 usb_device
212 DVB
216 rfcomm
226 drm
243 hidraw
244 rpmb
245 ttyGS
246 nvme
247 bsg
248 watchdog
249 iio
250 ptp
251 pps
252 media
253 rtc
254 gpiochip

Block devices:
  1 ramdisk
  7 loop
  8 sd
 65 sd
 66 sd
 67 sd
 68 sd
 69 sd
 70 sd
 71 sd
128 sd
129 sd
130 sd
131 sd
132 sd
133 sd
134 sd
135 sd
179 mmc
254 device-mapper
259 blkext

root@FriendlyWrt:/proc# df -h

Filesystem                Size      Used Available Use% Mounted on
udev                    512.0K         0    512.0K   0% /dev
tmpfs                    95.0M    108.0K     94.9M   0% /run
overlay                  28.8G    872.0K     28.8G   0% /
tmpfs                   474.9M      1.2M    473.8M   0% /tmp
tmpfs                   512.0K         0    512.0K   0% /dev
cgroup                  474.9M         0    474.9M   0% /sys/fs/cgroup
overlay                  28.8G    872.0K     28.8G   0% /opt

root@FriendlyWrt:/proc# fdisk -l

Disk /dev/ram0: 4 MiB, 4194304 bytes, 8192 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes


Disk /dev/ram1: 4 MiB, 4194304 bytes, 8192 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes


Disk /dev/ram2: 4 MiB, 4194304 bytes, 8192 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes


Disk /dev/ram3: 4 MiB, 4194304 bytes, 8192 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes


Disk /dev/ram4: 4 MiB, 4194304 bytes, 8192 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes


Disk /dev/ram5: 4 MiB, 4194304 bytes, 8192 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes


Disk /dev/ram6: 4 MiB, 4194304 bytes, 8192 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes


Disk /dev/ram7: 4 MiB, 4194304 bytes, 8192 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes


Disk /dev/mmcblk0: 29.74 GiB, 31914983424 bytes, 62333952 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: gpt
Disk identifier: 73987B6B-4974-4C94-A3E8-58AB2EB7A946

Device           Start      End  Sectors  Size Type
/dev/mmcblk0p1   16384    24575     8192    4M unknown
/dev/mmcblk0p2   24576    32767     8192    4M unknown
/dev/mmcblk0p3   32768    40959     8192    4M unknown
/dev/mmcblk0p4   40960    49151     8192    4M unknown
/dev/mmcblk0p5   49152    81919    32768   16M unknown
/dev/mmcblk0p6   81920   163839    81920   40M unknown
/dev/mmcblk0p7  163840   262143    98304   48M unknown
/dev/mmcblk0p8  262144  1163263   901120  440M unknown
/dev/mmcblk0p9 1163264 62333918 61170655 29.2G unknown

root@FriendlyWrt:~# cat /etc/config/fstab

config 'global'
        option  anon_swap       '0'
        option  anon_mount      '0'
        option  auto_swap       '1'
        option  auto_mount      '1'
        option  delay_root      '5'
        option  check_fs        '0'

config 'mount'
        option  target  '/mnt/mmcblk0p8'
        option  uuid    'ff313567-e9f1-5a5d-9895-3ba130b4a864'
        option  enabled '0'

config 'mount'
        option  target  '/mnt/mmcblk0p9'
        option  uuid    '269e9152-5cb6-035b-9c34-e1ed87cca310'
        option  enabled '0'


root@FriendlyWrt:/usr/bin# lsblk /bin/ash: lsblk: not found root@FriendlyWrt:/proc# cat iomem

00200000-083fffff : System RAM
  00400000-0164ffff : Kernel code
  01650000-01fdffff : reserved
  01fe0000-0236ffff : Kernel data
  08300000-08311fff : reserved
0a200000-3fffffff : System RAM
  0a200000-0a923fff : reserved
  3d000000-3effffff : reserved
  3fbc9000-3fd49fff : reserved
  3fd4a000-3fdc5fff : reserved
  3fdc8000-3fdc8fff : reserved
  3fdc9000-3fdc9fff : reserved
  3fdca000-3fdccfff : reserved
  3fdcd000-3fdcdfff : reserved
  3fdce000-3fffffff : reserved
ff060000-ff063fff : ff060000.rng rng@ff060000
ff120000-ff12001f : serial
ff130000-ff13001f : serial
ff150000-ff150fff : ff150000.i2c i2c@ff150000
ff160000-ff160fff : ff160000.i2c i2c@ff160000
ff1a0000-ff1a00ff : ff1a0000.watchdog watchdog@ff1a0000
ff1b0020-ff1b002f : ff1b0020.pwm pwm@ff1b0020
ff1f0000-ff1f3fff : dmac@ff1f0000
  ff1f0000-ff1f3fff : ff1f0000.dmac dmac@ff1f0000
ff210000-ff2100ff : pinctrl gpio0@ff210000
ff220000-ff2200ff : pinctrl gpio1@ff220000
ff230000-ff2300ff : pinctrl gpio2@ff230000
ff240000-ff2400ff : pinctrl gpio3@ff240000
ff250000-ff2500ff : ff250000.tsadc tsadc@ff250000
ff260000-ff26004f : ff260000.efuse efuse@ff260000
ff350800-ff35083f : ff350800.iommu iommu@ff350800
ff470000-ff477fff : phy-ff470000.usb3-phy.2 utmi@ff470000
ff478000-ff47ffff : phy-ff470000.usb3-phy.3 pipe@ff478000
ff500000-ff503fff : ff500000.dwmmc dwmmc@ff500000
ff540000-ff54ffff : ff540000.ethernet ethernet@ff540000
ff580000-ff5bffff : ff580000.usb usb@ff580000
ff5c0000-ff5cffff : ff5c0000.usb usb@ff5c0000
ff5d0000-ff5dffff : ff5d0000.usb usb@ff5d0000
ff600000-ff607fff : dwc3@ff600000
  ff600000-ff607fff : xhci-hcd.0.auto dwc3@ff600000
ff60c100-ff6fffff : ff600000.dwc3 dwc3@ff600000
ff790000-ff7903ff : ff790000.dfi dfi@ff790000

root@FriendlyWrt:/proc# i2cdetect -y l /bin/ash: i2cdetect: not found