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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 2726 | vana | 1 | /*++ |
| 2 | |||
| 3 | Copyright (c) 1999 Intel Corporation |
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| 4 | |||
| 5 | Module Name: |
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| 6 | |||
| 7 | EfiRtLib.h |
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| 8 | |||
| 9 | Abstract: |
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| 10 | |||
| 11 | EFI Runtime library functions |
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| 12 | |||
| 13 | |||
| 14 | |||
| 15 | Revision History |
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| 16 | |||
| 17 | --*/ |
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| 18 | |||
| 19 | #include "efi.h" |
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| 20 | #include "efilib.h" |
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| 21 | #include "efirtlib.h" |
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| 22 | |||
| 23 | #pragma RUNTIME_CODE(RtZeroMem) |
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| 24 | VOID |
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| 25 | RUNTIMEFUNCTION |
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| 26 | RtZeroMem ( |
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| 27 | IN VOID *Buffer, |
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| 28 | IN UINTN Size |
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| 29 | ) |
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| 30 | { |
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| 31 | INT8 *pt; |
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| 32 | |||
| 33 | pt = Buffer; |
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| 34 | while (Size--) { |
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| 35 | *(pt++) = 0; |
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| 36 | } |
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| 37 | } |
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| 38 | |||
| 39 | #pragma RUNTIME_CODE(RtSetMem) |
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| 40 | VOID |
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| 41 | RUNTIMEFUNCTION |
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| 42 | RtSetMem ( |
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| 43 | IN VOID *Buffer, |
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| 44 | IN UINTN Size, |
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| 45 | IN UINT8 Value |
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| 46 | ) |
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| 47 | { |
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| 48 | INT8 *pt; |
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| 49 | |||
| 50 | pt = Buffer; |
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| 51 | while (Size--) { |
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| 52 | *(pt++) = Value; |
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| 53 | } |
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| 54 | } |
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| 55 | |||
| 56 | #pragma RUNTIME_CODE(RtCopyMem) |
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| 57 | VOID |
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| 58 | RUNTIMEFUNCTION |
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| 59 | RtCopyMem ( |
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| 60 | IN VOID *Dest, |
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| 61 | IN VOID *Src, |
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| 62 | IN UINTN len |
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| 63 | ) |
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| 64 | { |
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| 65 | CHAR8 *d, *s; |
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| 66 | |||
| 67 | d = Dest; |
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| 68 | s = Src; |
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| 69 | while (len--) { |
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| 70 | *(d++) = *(s++); |
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| 71 | } |
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| 72 | } |
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| 73 | |||
| 74 | #pragma RUNTIME_CODE(RtCompareMem) |
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| 75 | INTN |
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| 76 | RUNTIMEFUNCTION |
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| 77 | RtCompareMem ( |
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| 78 | IN VOID *Dest, |
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| 79 | IN VOID *Src, |
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| 80 | IN UINTN len |
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| 81 | ) |
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| 82 | { |
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| 83 | CHAR8 *d, *s; |
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| 84 | |||
| 85 | d = Dest; |
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| 86 | s = Src; |
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| 87 | while (len--) { |
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| 88 | if (*d != *s) { |
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| 89 | return *d - *s; |
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| 90 | } |
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| 91 | |||
| 92 | d += 1; |
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| 93 | s += 1; |
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| 94 | } |
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| 95 | |||
| 96 | return 0; |
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| 97 | } |
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| 98 | |||
| 99 | #pragma RUNTIME_CODE(RtCompareGuid) |
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| 100 | INTN |
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| 101 | RUNTIMEFUNCTION |
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| 102 | RtCompareGuid ( |
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| 103 | IN EFI_GUID *Guid1, |
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| 104 | IN EFI_GUID *Guid2 |
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| 105 | ) |
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| 106 | /*++ |
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| 107 | |||
| 108 | Routine Description: |
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| 109 | |||
| 110 | Compares to GUIDs |
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| 111 | |||
| 112 | Arguments: |
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| 113 | |||
| 114 | Guid1 - guid to compare |
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| 115 | Guid2 - guid to compare |
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| 116 | |||
| 117 | Returns: |
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| 118 | = 0 if Guid1 == Guid2 |
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| 119 | |||
| 120 | --*/ |
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| 121 | { |
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| 122 | INT32 *g1, *g2, r; |
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| 123 | |||
| 124 | // |
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| 125 | // Compare 32 bits at a time |
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| 126 | // |
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| 127 | |||
| 128 | g1 = (INT32 *) Guid1; |
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| 129 | g2 = (INT32 *) Guid2; |
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| 130 | |||
| 131 | r = g1[0] - g2[0]; |
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| 132 | r |= g1[1] - g2[1]; |
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| 133 | r |= g1[2] - g2[2]; |
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| 134 | r |= g1[3] - g2[3]; |
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| 135 | |||
| 136 | return r; |
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| 137 | } |
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| 138 | |||
| 139 |