Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\lib\kaslr.c Create Date:2022-07-28 07:25:51
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:i8254

Proto:static inline u16 i8254(void)

Type:u16

Parameter:Nothing

38  Do
39  outb(I8254_CMD_READBACK | I8254_SELECT_COUNTER0, I8254_PORT_CONTROL)
41  status = inb(I8254_PORT_COUNTER0)
42  timer = inb(I8254_PORT_COUNTER0)
43  timer |= inb(I8254_PORT_COUNTER0) << 8
44  When status & I8254_STATUS_NOTREADY cycle
46  Return timer
Caller
NameDescribe
kaslr_get_random_long