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949f388f | 1 | /*++ @file\r |
2 | Emu Emulation Architectural Protocol Driver as defined in UEFI/PI.\r | |
3 | This Timer module uses an UNIX Thread to simulate the timer-tick driven\r | |
4 | timer service.\r | |
5 | \r | |
6 | Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>\r | |
7 | Portions copyright (c) 2010 - 2011, Apple Inc. All rights reserved.\r | |
d18d8a1d | 8 | This program and the accompanying materials\r |
9 | are licensed and made available under the terms and conditions of the BSD License\r | |
10 | which accompanies this distribution. The full text of the license may be found at\r | |
11 | http://opensource.org/licenses/bsd-license.php\r | |
12 | \r | |
13 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
14 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
949f388f | 15 | \r |
16 | \r | |
17 | **/\r | |
18 | \r | |
19 | #ifndef _TIMER_H_\r | |
20 | #define _TIMER_H_\r | |
21 | \r | |
22 | \r | |
23 | \r | |
24 | \r | |
25 | //\r | |
26 | // Legal timer value range in 100 ns units\r | |
27 | //\r | |
28 | #define TIMER_MINIMUM_VALUE 0\r | |
29 | #define TIMER_MAXIMUM_VALUE (0x100000000ULL - 1)\r | |
30 | \r | |
31 | //\r | |
32 | // Default timer value in 100 ns units (50 ms)\r | |
33 | //\r | |
34 | #define DEFAULT_TIMER_TICK_DURATION 500000\r | |
35 | \r | |
36 | //\r | |
37 | // Function Prototypes\r | |
38 | //\r | |
39 | EFI_STATUS\r | |
40 | EFIAPI\r | |
41 | EmuTimerDriverInitialize (\r | |
42 | IN EFI_HANDLE ImageHandle,\r | |
43 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
44 | );\r | |
45 | \r | |
46 | EFI_STATUS\r | |
47 | EFIAPI\r | |
48 | EmuTimerDriverRegisterHandler (\r | |
49 | IN EFI_TIMER_ARCH_PROTOCOL *This,\r | |
50 | IN EFI_TIMER_NOTIFY NotifyFunction\r | |
51 | );\r | |
52 | \r | |
53 | EFI_STATUS\r | |
54 | EFIAPI\r | |
55 | EmuTimerDriverSetTimerPeriod (\r | |
56 | IN EFI_TIMER_ARCH_PROTOCOL *This,\r | |
57 | IN UINT64 TimerPeriod\r | |
58 | );\r | |
59 | \r | |
60 | EFI_STATUS\r | |
61 | EFIAPI\r | |
62 | EmuTimerDriverGetTimerPeriod (\r | |
63 | IN EFI_TIMER_ARCH_PROTOCOL *This,\r | |
64 | OUT UINT64 *TimerPeriod\r | |
65 | );\r | |
66 | \r | |
67 | EFI_STATUS\r | |
68 | EFIAPI\r | |
69 | EmuTimerDriverGenerateSoftInterrupt (\r | |
70 | IN EFI_TIMER_ARCH_PROTOCOL *This\r | |
71 | );\r | |
72 | \r | |
73 | #endif\r |