1 | /** @file
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2 | IA-32/x64 GetInterruptState()
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3 |
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4 | Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
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5 | SPDX-License-Identifier: BSD-2-Clause-Patent
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6 |
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7 | **/
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8 |
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9 | #include "BaseLibInternals.h"
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10 |
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11 | /**
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12 | Retrieves the current CPU interrupt state.
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13 |
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14 | Returns TRUE is interrupts are currently enabled. Otherwise
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15 | returns FALSE.
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16 |
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17 | @retval TRUE CPU interrupts are enabled.
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18 | @retval FALSE CPU interrupts are disabled.
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19 |
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20 | **/
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21 | BOOLEAN
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22 | EFIAPI
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23 | GetInterruptState (
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24 | VOID
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25 | )
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26 | {
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27 | IA32_EFLAGS32 EFlags;
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28 |
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29 | EFlags.UintN = AsmReadEflags ();
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30 | return (BOOLEAN)(1 == EFlags.Bits.IF);
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31 | }
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