reactos/hal/halx86/xbox/clock.c
Dmitry Borisov 17c5fb8866
[HALXBOX] Fix clock drift (#2889)
Add a new rollover table for Original Xbox (base frequency is 1.125000 MHz).
This fixes potential time issues in kernel and drivers.

CORE-16216
2020-06-03 02:14:16 +03:00

32 lines
760 B
C

/*
* PROJECT: Xbox HAL
* LICENSE: GPL-2.0-or-later (https://spdx.org/licenses/GPL-2.0-or-later)
* PURPOSE: PIT rollover table
* COPYRIGHT: Copyright 2020 Dmitry Borisov (di.sean@protonmail.com)
*/
/* INCLUDES ******************************************************************/
#include <hal.h>
/* GLOBALS *******************************************************************/
HALP_ROLLOVER HalpRolloverTable[15] =
{
{1125, 10000}, /* 1 ms */
{2250, 20000},
{3375, 30000},
{4500, 40000},
{5625, 50000},
{6750, 60000},
{7875, 70000},
{9000, 80000},
{10125, 90000},
{11250, 100000},
{12375, 110000},
{13500, 120000},
{14625, 130000},
{15750, 140000},
{16875, 150000} /* 15 ms */
};