コード例 #1
0
void rtc_cmos_write(unsigned char val, unsigned char addr)
{
	lock_cmos_prefix(addr);
	outb(addr, RTC_PORT(0));
	outb(val, RTC_PORT(1));
	lock_cmos_suffix(addr);
}
コード例 #2
0
void vrtc_cmos_write(unsigned char val, unsigned char reg)
{
	if (reg > 0xd || !vrtc_virt_base)
		return;

	lock_cmos_prefix(reg);
	__raw_writeb(val, vrtc_virt_base + (reg << 2));
	lock_cmos_suffix(reg);
}
コード例 #3
0
ファイル: time.c プロジェクト: spacex/kernel-centos5
/* Routines for accessing the CMOS RAM/RTC. */
unsigned char rtc_cmos_read(unsigned char addr)
{
	unsigned char val;
	lock_cmos_prefix(addr);
	outb_p(addr, RTC_PORT(0));
	val = inb_p(RTC_PORT(1));
	lock_cmos_suffix(addr);
	return val;
}
コード例 #4
0
unsigned char vrtc_cmos_read(unsigned char reg)
{
	unsigned char retval;

	/* vRTC's registers range from 0x0 to 0xD */
	if (reg > 0xd || !vrtc_virt_base)
		return 0xff;

	lock_cmos_prefix(reg);
	retval = __raw_readb(vrtc_virt_base + (reg << 2));
	lock_cmos_suffix(reg);
	return retval;
}