| Vishal Bhoj | 82c8071 | 2015-12-15 21:13:33 +0530 | [diff] [blame] | 1 | #------------------------------------------------------------------------------
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| 2 | #
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| 3 | # Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>
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| 4 | # This program and the accompanying materials
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| 5 | # are licensed and made available under the terms and conditions of the BSD License
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| 6 | # which accompanies this distribution. The full text of the license may be found at
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| 7 | # http://opensource.org/licenses/bsd-license.php.
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| 8 | #
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| 9 | # THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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| 10 | # WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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| 11 | #
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| 12 | #------------------------------------------------------------------------------
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| 13 |
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| 14 | #------------------------------------------------------------------------------
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| 15 | # VOID
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| 16 | # EFIAPI
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| 17 | # IoReadFifo8 (
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| 18 | # IN UINTN Port, // rcx
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| 19 | # IN UINTN Count, // rdx
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| 20 | # IN VOID *Buffer // r8
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| 21 | # );
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| 22 | #------------------------------------------------------------------------------
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| 23 | ASM_GLOBAL ASM_PFX(IoReadFifo8)
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| 24 | ASM_PFX(IoReadFifo8):
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| 25 | cld
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| 26 | xchg %rcx, %rdx
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| 27 | xchg %r8, %rdi # rdi: buffer address; r8: save register
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| 28 | rep insb
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| 29 | mov %r8, %rdi # restore rdi
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| 30 | ret
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| 31 |
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| 32 | #------------------------------------------------------------------------------
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| 33 | # VOID
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| 34 | # EFIAPI
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| 35 | # IoReadFifo16 (
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| 36 | # IN UINTN Port, // rcx
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| 37 | # IN UINTN Count, // rdx
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| 38 | # IN VOID *Buffer // r8
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| 39 | # );
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| 40 | #------------------------------------------------------------------------------
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| 41 | ASM_GLOBAL ASM_PFX(IoReadFifo16)
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| 42 | ASM_PFX(IoReadFifo16):
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| 43 | cld
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| 44 | xchg %rcx, %rdx
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| 45 | xchg %r8, %rdi # rdi: buffer address; r8: save register
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| 46 | rep insw
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| 47 | mov %r8, %rdi # restore rdi
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| 48 | ret
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| 49 |
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| 50 | #------------------------------------------------------------------------------
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| 51 | # VOID
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| 52 | # EFIAPI
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| 53 | # IoReadFifo32 (
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| 54 | # IN UINTN Port, // rcx
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| 55 | # IN UINTN Count, // rdx
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| 56 | # IN VOID *Buffer // r8
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| 57 | # );
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| 58 | #------------------------------------------------------------------------------
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| 59 | ASM_GLOBAL ASM_PFX(IoReadFifo32)
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| 60 | ASM_PFX(IoReadFifo32):
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| 61 | cld
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| 62 | xchg %rcx, %rdx
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| 63 | xchg %r8, %rdi # rdi: buffer address; r8: save register
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| 64 | rep insl
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| 65 | mov %r8, %rdi # restore rdi
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| 66 | ret
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| 67 |
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| 68 | #------------------------------------------------------------------------------
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| 69 | # VOID
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| 70 | # EFIAPI
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| 71 | # IoWriteFifo8 (
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| 72 | # IN UINTN Port, // rcx
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| 73 | # IN UINTN Count, // rdx
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| 74 | # IN VOID *Buffer // r8
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| 75 | # );
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| 76 | #------------------------------------------------------------------------------
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| 77 | ASM_GLOBAL ASM_PFX(IoWriteFifo8)
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| 78 | ASM_PFX(IoWriteFifo8):
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| 79 | cld
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| 80 | xchg %rcx, %rdx
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| 81 | xchg %r8, %rsi # rsi: buffer address; r8: save register
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| 82 | rep outsb
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| 83 | mov %r8, %rsi # restore rsi
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| 84 | ret
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| 85 |
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| 86 | #------------------------------------------------------------------------------
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| 87 | # VOID
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| 88 | # EFIAPI
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| 89 | # IoWriteFifo16 (
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| 90 | # IN UINTN Port, // rcx
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| 91 | # IN UINTN Count, // rdx
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| 92 | # IN VOID *Buffer // r8
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| 93 | # );
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| 94 | #------------------------------------------------------------------------------
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| 95 | ASM_GLOBAL ASM_PFX(IoWriteFifo16)
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| 96 | ASM_PFX(IoWriteFifo16):
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| 97 | cld
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| 98 | xchg %rcx, %rdx
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| 99 | xchg %r8, %rsi # rsi: buffer address; r8: save register
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| 100 | rep outsw
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| 101 | mov %r8, %rsi # restore rsi
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| 102 | ret
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| 103 |
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| 104 | #------------------------------------------------------------------------------
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| 105 | # VOID
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| 106 | # EFIAPI
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| 107 | # IoWriteFifo32 (
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| 108 | # IN UINTN Port, // rcx
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| 109 | # IN UINTN Count, // rdx
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| 110 | # IN VOID *Buffer // r8
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| 111 | # );
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| 112 | #------------------------------------------------------------------------------
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| 113 | ASM_GLOBAL ASM_PFX(IoWriteFifo32)
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| 114 | ASM_PFX(IoWriteFifo32):
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| 115 | cld
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| 116 | xchg %rcx, %rdx
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| 117 | xchg %r8, %rsi # rsi: buffer address; r8: save register
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| 118 | rep outsl
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| 119 | mov %r8, %rsi # restore rsi
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| 120 | ret
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| 121 |
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