1 #------------------------------------------------------------------------------ 2 # 3 # Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR> 4 # 5 # This program and the accompanying materials are licensed and made available 6 # under the terms and conditions of the BSD License which accompanies this 7 # distribution. The full text of the license may be found at 8 # http://opensource.org/licenses/bsd-license.php. 9 # 10 # THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 11 # WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 12 # 13 #------------------------------------------------------------------------------ 14 15 #------------------------------------------------------------------------------ 16 # VOID 17 # EFIAPI 18 # IoReadFifo8 ( 19 # IN UINTN Port, // rcx 20 # IN UINTN Count, // rdx 21 # IN VOID *Buffer // r8 22 # ); 23 #------------------------------------------------------------------------------ 24 ASM_GLOBAL ASM_PFX(IoReadFifo8) 25 ASM_PFX(IoReadFifo8): 26 cld 27 xchg %rcx, %rdx 28 xchg %r8, %rdi # rdi: buffer address; r8: save register 29 rep insb 30 mov %r8, %rdi # restore rdi 31 ret 32 33 #------------------------------------------------------------------------------ 34 # VOID 35 # EFIAPI 36 # IoReadFifo16 ( 37 # IN UINTN Port, // rcx 38 # IN UINTN Count, // rdx 39 # IN VOID *Buffer // r8 40 # ); 41 #------------------------------------------------------------------------------ 42 ASM_GLOBAL ASM_PFX(IoReadFifo16) 43 ASM_PFX(IoReadFifo16): 44 cld 45 xchg %rcx, %rdx 46 xchg %r8, %rdi # rdi: buffer address; r8: save register 47 rep insw 48 mov %r8, %rdi # restore rdi 49 ret 50 51 #------------------------------------------------------------------------------ 52 # VOID 53 # EFIAPI 54 # IoReadFifo32 ( 55 # IN UINTN Port, // rcx 56 # IN UINTN Count, // rdx 57 # IN VOID *Buffer // r8 58 # ); 59 #------------------------------------------------------------------------------ 60 ASM_GLOBAL ASM_PFX(IoReadFifo32) 61 ASM_PFX(IoReadFifo32): 62 cld 63 xchg %rcx, %rdx 64 xchg %r8, %rdi # rdi: buffer address; r8: save register 65 rep insl 66 mov %r8, %rdi # restore rdi 67 ret 68 69 #------------------------------------------------------------------------------ 70 # VOID 71 # EFIAPI 72 # IoWriteFifo8 ( 73 # IN UINTN Port, // rcx 74 # IN UINTN Count, // rdx 75 # IN VOID *Buffer // r8 76 # ); 77 #------------------------------------------------------------------------------ 78 ASM_GLOBAL ASM_PFX(IoWriteFifo8) 79 ASM_PFX(IoWriteFifo8): 80 cld 81 xchg %rcx, %rdx 82 xchg %r8, %rsi # rsi: buffer address; r8: save register 83 rep outsb 84 mov %r8, %rsi # restore rsi 85 ret 86 87 #------------------------------------------------------------------------------ 88 # VOID 89 # EFIAPI 90 # IoWriteFifo16 ( 91 # IN UINTN Port, // rcx 92 # IN UINTN Count, // rdx 93 # IN VOID *Buffer // r8 94 # ); 95 #------------------------------------------------------------------------------ 96 ASM_GLOBAL ASM_PFX(IoWriteFifo16) 97 ASM_PFX(IoWriteFifo16): 98 cld 99 xchg %rcx, %rdx 100 xchg %r8, %rsi # rsi: buffer address; r8: save register 101 rep outsw 102 mov %r8, %rsi # restore rsi 103 ret 104 105 #------------------------------------------------------------------------------ 106 # VOID 107 # EFIAPI 108 # IoWriteFifo32 ( 109 # IN UINTN Port, // rcx 110 # IN UINTN Count, // rdx 111 # IN VOID *Buffer // r8 112 # ); 113 #------------------------------------------------------------------------------ 114 ASM_GLOBAL ASM_PFX(IoWriteFifo32) 115 ASM_PFX(IoWriteFifo32): 116 cld 117 xchg %rcx, %rdx 118 xchg %r8, %rsi # rsi: buffer address; r8: save register 119 rep outsl 120 mov %r8, %rsi # restore rsi 121 ret 122 123
