Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\boot\video.h Create Date:2022-07-28 07:27:13
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Name:Accessing VGA indexed registers

Proto:static inline u8 in_idx(u16 port, u8 index)

Type:u8

Parameter:

TypeParameterName
u16port
u8index
99  Basic port I/O
100  Return inb(port + 1)
Caller
NameDescribe
vga_recalc_verticalRecalculate the vertical video cutoff (hack!)
bios_probe
tst_idxWrites a value to an indexed port and then reads the port again