关于SATA的启动信息分析
我用的板子的启动信息包括以下几句:
ahci 0000:01:00.0: AHCI 0001.0000 32 slots 2 ports 6 Gbps 0x3 impl SATA mode
ahci 0000:01:00.0: flags: 64bit ncq sntf led only pmp fbs pio slum part sxs
scsi0 : ahci
scsi1 : ahci
ata1: SATA max UDMA/133 abar m2048@0xa0000000 port 0xa0000100 irq 18
ata2: SATA max UDMA/133 abar m2048@0xa0000000 port 0xa0000180 irq 18
ahci 0001:03:00.0: AHCI 0001.0000 32 slots 2 ports 6 Gbps 0x3 impl SATA mode
ahci 0001:03:00.0: flags: 64bit ncq sntf led only pmp fbs pio slum part sxs
scsi2 : ahci
scsi3 : ahci
ata3: SATA max UDMA/133 abar m2048@0xc0000000 port 0xc0000100 irq 24
ata4: SATA max UDMA/133 abar m2048@0xc0000000 port 0xc0000180 irq 24
请问这是如何打印出来的,从那地方打印出来的?
这个是AHCI(Serial ATA Advanced Host Controller Interface)的驱动,详见<drivers/ata/ahci.c>