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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 |
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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 |
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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 |