linux下命令繁多，為了能夠?qū)⒆约航佑|的命令管理起來，只能通過筆記的形式。
對(duì)于用到的命令不問前因后果，只要實(shí)現(xiàn)就暫時(shí)記錄。
熟知所有需要慢慢來。

查看QSPI Flash分區(qū)

root@localhost:/proc# cat mtd 
dev:    size   erasesize  name
mtd0: 00080000 00001000 "qspi-boot"
mtd1: 00020000 00001000 "qspi-bootenv"
mtd2: 00460000 00001000 "qspi-bitstream"
mtd3: 00480000 00001000 "qspi-kernel"
mtd4: 00010000 00001000 "qspi-devicetree"
mtd5: 00600000 00001000 "qspi-rootfs"
mtd6: 00070000 00001000 "data"

查看中斷號(hào)

root@localhost:/proc# cat interrupts 
           CPU0       CPU1       
 29:      15288      10795       GIC  29  twd
 35:          0          0       GIC  35  f800c000.ocmc
 39:         43          0       GIC  39  f8007100.adc
 40:          0          0       GIC  40  f8007000.devcfg
 41:          0          0       GIC  41  f8005000.watchdog
 43:     258291          0       GIC  43  ttc_clockevent
 45:          0          0       GIC  45  f8003000.dmac
 46:          0          0       GIC  46  f8003000.dmac
 47:          0          0       GIC  47  f8003000.dmac
 48:          0          0       GIC  48  f8003000.dmac
 49:          0          0       GIC  49  f8003000.dmac
 51:          3          0       GIC  51  e000d000.spi
 53:          0          0       GIC  53  ehci_hcd:usb1
......

查看設(shè)備

Character devices:
  1 mem
  4 /dev/vc/0
  4 tty
  5 /dev/tty
  5 /dev/console
  5 /dev/ptmx
  7 vcs
 10 misc
 13 input
 21 sg
......
Block devices:
  1 ramdisk
259 blkext
  7 loop
  8 sd
 31 mtdblock
 65 sd