函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\boot\video-vga.c Create Date:2022-07-27 08:26:45
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：vga_set_480_scanlines

函数原型：static void vga_set_480_scanlines(void)

返回类型：void

参数：无

142  crtc等于I/O address of the VGA CRTC
144  out_idx(0x0c, crtc, 0x11)
145  out_idx(0x0b, crtc, 0x06)
146  out_idx(0x3e, crtc, 0x07)
147  out_idx(0xea, crtc, 0x10)
148  out_idx(0xdf, crtc, 0x12)
149  out_idx(0xe7, crtc, 0x15)
150  out_idx(0x04, crtc, 0x16)
151  csel等于从端口输入字节
152  csel与等于0x0d
153  csel或等于0xe2
154  Basic port I/O
调用者
名称描述
vga_set_80x30
vga_set_80x34
vga_set_80x60