|
Last change
on this file since 108793 was 85718, checked in by vboxsync, 5 years ago |
|
Devices/EFI: Merge edk-stable202005 and make it build, bugref:4643
|
-
Property svn:eol-style
set to
native
|
|
File size:
677 bytes
|
| Line | |
|---|
| 1 | /** @file
|
|---|
| 2 | Provide InternalAcpiGetTimerTick for the bhyve instance of the
|
|---|
| 3 | Base ACPI Timer Library
|
|---|
| 4 |
|
|---|
| 5 | Copyright (C) 2020, Rebecca Cran <[email protected]>
|
|---|
| 6 | Copyright (C) 2014, Gabriel L. Somlo <[email protected]>
|
|---|
| 7 |
|
|---|
| 8 | SPDX-License-Identifier: BSD-2-Clause-Patent
|
|---|
| 9 | **/
|
|---|
| 10 |
|
|---|
| 11 | #include <Library/IoLib.h>
|
|---|
| 12 | #include <OvmfPlatforms.h>
|
|---|
| 13 |
|
|---|
| 14 | /**
|
|---|
| 15 | Internal function to read the current tick counter of ACPI.
|
|---|
| 16 |
|
|---|
| 17 | Read the current ACPI tick counter using the counter address cached
|
|---|
| 18 | by this instance's constructor.
|
|---|
| 19 |
|
|---|
| 20 | @return The tick counter read.
|
|---|
| 21 |
|
|---|
| 22 | **/
|
|---|
| 23 | UINT32
|
|---|
| 24 | InternalAcpiGetTimerTick (
|
|---|
| 25 | VOID
|
|---|
| 26 | )
|
|---|
| 27 | {
|
|---|
| 28 | //
|
|---|
| 29 | // Return the current ACPI timer value.
|
|---|
| 30 | //
|
|---|
| 31 | return IoRead32 (BHYVE_ACPI_TIMER_IO_ADDR);
|
|---|
| 32 | }
|
|---|
Note:
See
TracBrowser
for help on using the repository browser.
