| 878ddf1f |
1 | //++\r |
| 2 | // Copyright (c) 2006, Intel Corporation \r |
| 3 | // All rights reserved. This program and the accompanying materials \r |
| 4 | // are licensed and made available under the terms and conditions of the BSD License \r |
| 5 | // which accompanies this distribution. The full text of the license may be found at \r |
| 6 | // http://opensource.org/licenses/bsd-license.php \r |
| 7 | // \r |
| 8 | // THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r |
| 9 | // WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r |
| 10 | // \r |
| 11 | // Module Name:\r |
| 12 | //\r |
| 13 | // EsalLib.s\r |
| 14 | //\r |
| 15 | // Abstract:\r |
| 16 | //\r |
| 17 | //\r |
| 18 | // Revision History:\r |
| 19 | //\r |
| 20 | //--\r |
| 21 | \r |
| 22 | .file "EsalLib.s"\r |
| 23 | \r |
| 24 | #include "IpfMacro.i"\r |
| 25 | \r |
| 26 | //\r |
| 27 | // Exports\r |
| 28 | //\r |
| 29 | .global GetEsalEntryPoint\r |
| 30 | \r |
| 31 | \r |
| 32 | //-----------------------------------------------------------------------------\r |
| 33 | //++\r |
| 34 | // GetEsalEntryPoint\r |
| 35 | //\r |
| 36 | // Return Esal global and PSR register.\r |
| 37 | //\r |
| 38 | // On Entry :\r |
| 39 | //\r |
| 40 | //\r |
| 41 | // Return Value:\r |
| 42 | // r8 = EFI_SAL_SUCCESS\r |
| 43 | // r9 = Physical Plabel\r |
| 44 | // r10 = Virtual Plabel\r |
| 45 | // r11 = psr\r |
| 46 | // \r |
| 47 | // As per static calling conventions. \r |
| 48 | // \r |
| 49 | //--\r |
| 50 | //---------------------------------------------------------------------------\r |
| 51 | PROCEDURE_ENTRY (GetEsalEntryPoint)\r |
| 52 | \r |
| 53 | NESTED_SETUP (0,8,0,0)\r |
| 54 | \r |
| 55 | EsalCalcStart:\r |
| 56 | mov r8 = ip;;\r |
| 57 | add r8 = (EsalEntryPoint - EsalCalcStart), r8;;\r |
| 58 | mov r9 = r8;;\r |
| 59 | add r10 = 0x10, r8;;\r |
| 60 | mov r11 = psr;;\r |
| 61 | mov r8 = r0;;\r |
| 62 | \r |
| 63 | NESTED_RETURN\r |
| 64 | \r |
| 65 | PROCEDURE_EXIT (GetEsalEntryPoint)\r |
| 66 | \r |
| 67 | \r |
| 68 | \r |
| 69 | \r |
| 70 | \r |
| 71 | //-----------------------------------------------------------------------------\r |
| 72 | //++\r |
| 73 | // SetEsalPhysicalEntryPoint\r |
| 74 | //\r |
| 75 | // Set the dispatcher entry point\r |
| 76 | //\r |
| 77 | // On Entry:\r |
| 78 | // in0 = Physical address of Esal Dispatcher\r |
| 79 | // in1 = Physical GP\r |
| 80 | //\r |
| 81 | // Return Value: \r |
| 82 | // r8 = EFI_SAL_SUCCESS\r |
| 83 | // \r |
| 84 | // As per static calling conventions. \r |
| 85 | // \r |
| 86 | //--\r |
| 87 | //---------------------------------------------------------------------------\r |
| 88 | PROCEDURE_ENTRY (SetEsalPhysicalEntryPoint)\r |
| 89 | \r |
| 90 | NESTED_SETUP (2,8,0,0)\r |
| 91 | \r |
| 92 | EsalCalcStart1:\r |
| 93 | mov r8 = ip;;\r |
| 94 | add r8 = (EsalEntryPoint - EsalCalcStart1), r8;;\r |
| 95 | st8 [r8] = in0;;\r |
| 96 | add r8 = 0x08, r8;;\r |
| 97 | st8 [r8] = in1;;\r |
| 98 | mov r8 = r0;;\r |
| 99 | \r |
| 100 | NESTED_RETURN\r |
| 101 | \r |
| 102 | PROCEDURE_EXIT (SetEsalPhysicalEntryPoint)\r |
| 103 | \r |
| 104 | \r |
| 105 | //-----------------------------------------------------------------------------\r |
| 106 | //++\r |
| 107 | // SetEsalVirtualEntryPoint\r |
| 108 | //\r |
| 109 | // Register physical address of Esal globals.\r |
| 110 | //\r |
| 111 | // On Entry :\r |
| 112 | // in0 = Virtual address of Esal Dispatcher\r |
| 113 | // in1 = Virtual GP\r |
| 114 | //\r |
| 115 | // Return Value: \r |
| 116 | // r8 = EFI_SAL_ERROR\r |
| 117 | // \r |
| 118 | // As per static calling conventions. \r |
| 119 | // \r |
| 120 | //--\r |
| 121 | //---------------------------------------------------------------------------\r |
| 122 | PROCEDURE_ENTRY (SetEsalVirtualEntryPoint)\r |
| 123 | \r |
| 124 | NESTED_SETUP (2,8,0,0)\r |
| 125 | \r |
| 126 | EsalCalcStart2:\r |
| 127 | mov r8 = ip;;\r |
| 128 | add r8 = (EsalEntryPoint - EsalCalcStart2), r8;;\r |
| 129 | add r8 = 0x10, r8;;\r |
| 130 | st8 [r8] = in0;;\r |
| 131 | add r8 = 0x08, r8;;\r |
| 132 | st8 [r8] = in1;;\r |
| 133 | mov r8 = r0;;\r |
| 134 | \r |
| 135 | NESTED_RETURN\r |
| 136 | \r |
| 137 | PROCEDURE_EXIT (SetEsalVirtualEntryPoint)\r |
| 138 | \r |
| 139 | \r |
| 140 | \r |
| 141 | \r |
| 142 | .align 32\r |
| 143 | EsalEntryPoint: \r |
| 144 | data8 0 // Physical Entry\r |
| 145 | data8 0 // GP\r |
| 146 | data8 0 // Virtual Entry\r |
| 147 | data8 0 // GP\r |
| 148 | \r |
| 149 | \r |
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