函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\kernel\rtc.c Create Date:2022-07-27 08:47:17
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：Routines for accessing the CMOS RAM/RTC.

函数原型：unsigned char rtc_cmos_read(unsigned char addr)

返回类型：unsigned char

参数：

类型参数名称
unsigned charaddr
130  循环
130  循环
130  循环
130  ({
130  __dummy恒等于__dummy2
130  1
130  })
130  cmos_flags等于For spinlocks, etc:
130  当0循环
130  当0循环
130  All of these below must be called with interrupts off, preempt* disabled, etc.
131  Basic port I/O
132  val等于从端口输入字节
133  unlock_cmos()
133  循环
133  循环
133  ({
133  __dummy恒等于__dummy2
133  1
133  })
133  arch_local_irq_restore(cmos_flags)
133  当0循环
133  当0循环
133  当0循环
135  返回:val