在linux中通过/proc/ioport和/proc/iomem可以获取系统的IO端口和内存的布局信息，在crash中需要使用dev命令来获取。
crash> dev -i RESOURCE RANGE NAME ffffffff822668c0 0000-ffff PCI IO ffff88deafffd5a0 0000-0cf7 PCI Bus 0000:00 ffffffff82240700 0000-001f dma1 ffffffff82240760 0020-0021 pic1 ffffffff822407c0 0040-0043 timer0 ffffffff82240820 0050-0053 timer1 ffffffff82240880 0060-0060 keyboard ffff893eae909000 0061-0061 PNP0800:00 ffffffff822408e0 0064-0064 keyboard ffff88deb1331de0 0070-0071 rtc0 ffffffff82240940 0080-008f dma page reg ffffffff822409a0 00a0-00a1 pic2 ffff88deaa8b7cc0 00b2-00b2 APEI ERST ffffffff82240a00 00c0-00df dma2 ffff893eafaa1c00 00e4-00e4 IPMI Address 1 ... RESOURCE RANGE NAME ffffffff82266860 00000000-3fffffffffff PCI mem ffff89403fd8f940 00000000-00000fff Reserved ffff89403fd8f9a0 00001000-0006dfff System RAM ffff89403fd8fa00 0006e000-0006ffff Reserved ffff89403fd8fa60 00070000-0009ffff System RAM ffff89403fd8fac0 000a0000-000fffff Reserved ffff88deafffd520 000a0000-000bffff PCI Bus 0000:00 ffff88deafffd9a0 000c4000-000c7fff PCI Bus 0000:00 ffffffff82242300 000f0000-000fffff System ROM ffff89403fd8fb20 00100000-60efefff System RAM ffffffff82240b20 03600000-042013f0 Kernel code ffffffff82240b80 042013f1-05028fff Kernel data ffffffff82240ac0 059fd000-05ffffff Kernel bss ffffffff828a4760 13000000-2f1fffff Crash kernel ...
