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cdffda11 1/** @file\r
2 Report Status Code Library Post Code functions for DXE Phase.\r
3\r
4 Copyright (c) 2006, Intel Corporation<BR>\r
bad46384 5 All rights reserved. This program and the accompanying materials\r
6 are licensed and made available under the terms and conditions of the BSD License\r
7 which accompanies this distribution. The full text of the license may be found at\r
8 http://opensource.org/licenses/bsd-license.php\r
cdffda11 9\r
bad46384 10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
cdffda11 12\r
13**/\r
14\r
c892d846 15\r
bad46384 16#include <PiPei.h>\r
c892d846 17\r
bad46384 18#include <Library/PostCodeLib.h>\r
19#include <Library/ReportStatusCodeLib.h>\r
20#include <Library/PcdLib.h>\r
21#include <Library/BaseLib.h>\r
22\r
cdffda11 23/**\r
24 Converts POST code value to status code value.\r
25\r
bad46384 26 This macro converts the post code to status code value. Bits 0..4 of PostCode\r
27 are mapped to bits 16..20 of status code value, and bits 5..7 of PostCode are mapped to bits\r
28 24..26 of status code value.\r
cdffda11 29\r
bad46384 30 @param PostCode POST code value.\r
cdffda11 31\r
32 @return The converted status code value.\r
33\r
34**/\r
35#define POST_CODE_TO_STATUS_CODE_VALUE(PostCode) \\r
36 ((EFI_STATUS_CODE_VALUE) (((PostCode & 0x1f) << 16) | ((PostCode & 0x3) << 19)))\r
37\r
38/**\r
39 Sends an 32-bit value to a POST card.\r
40\r
bad46384 41 Sends the 32-bit value specified by Value to a POST card, and returns Value.\r
42 Some implementations of this library function may perform I/O operations\r
43 directly to a POST card device. Other implementations may send Value to\r
44 ReportStatusCode(), and the status code reporting mechanism will eventually\r
cdffda11 45 display the 32-bit value on the status reporting device.\r
bad46384 46\r
47 PostCode() must actively prevent recursion. If PostCode() is called while\r
48 processing another any other Report Status Code Library function, then\r
cdffda11 49 PostCode() must return Value immediately.\r
50\r
51 @param Value The 32-bit value to write to the POST card.\r
52\r
53 @return Value\r
54\r
55**/\r
56UINT32\r
57EFIAPI\r
58PostCode (\r
59 IN UINT32 Value\r
60 )\r
61{\r
62 REPORT_STATUS_CODE (EFI_PROGRESS_CODE, POST_CODE_TO_STATUS_CODE_VALUE (Value));\r
63 return Value;\r
64}\r
65\r
66\r
67/**\r
68 Sends an 32-bit value to a POST and associated ASCII string.\r
69\r
70 Sends the 32-bit value specified by Value to a POST card, and returns Value.\r
bad46384 71 If Description is not NULL, then the ASCII string specified by Description is\r
72 also passed to the handler that displays the POST card value. Some\r
73 implementations of this library function may perform I/O operations directly\r
74 to a POST card device. Other implementations may send Value to ReportStatusCode(),\r
75 and the status code reporting mechanism will eventually display the 32-bit\r
76 value on the status reporting device.\r
77\r
78 PostCodeWithDescription()must actively prevent recursion. If\r
79 PostCodeWithDescription() is called while processing another any other Report\r
80 Status Code Library function, then PostCodeWithDescription() must return Value\r
cdffda11 81 immediately.\r
82\r
83 @param Value The 32-bit value to write to the POST card.\r
bad46384 84 @param Description Pointer to an ASCII string that is a description of the\r
85 POST code value. This is an optional parameter that may\r
cdffda11 86 be NULL.\r
87\r
88 @return Value\r
89\r
90**/\r
91UINT32\r
92EFIAPI\r
93PostCodeWithDescription (\r
94 IN UINT32 Value,\r
95 IN CONST CHAR8 *Description OPTIONAL\r
96 )\r
97{\r
bad46384 98 if (Description == NULL) {\r
cdffda11 99 REPORT_STATUS_CODE (\r
100 EFI_PROGRESS_CODE,\r
101 POST_CODE_TO_STATUS_CODE_VALUE (Value)\r
102 );\r
103 } else {\r
104 REPORT_STATUS_CODE_WITH_EXTENDED_DATA (\r
105 EFI_PROGRESS_CODE,\r
106 POST_CODE_TO_STATUS_CODE_VALUE (Value),\r
107 Description,\r
108 AsciiStrSize (Description)\r
109 );\r
110 }\r
111\r
112 return Value;\r
113}\r
114\r
115\r
116/**\r
117 Returns TRUE if POST Codes are enabled.\r
118\r
bad46384 119 This function returns TRUE if the POST_CODE_PROPERTY_POST_CODE_ENABLED\r
cdffda11 120 bit of PcdPostCodePropertyMask is set. Otherwise FALSE is returned.\r
121\r
bad46384 122 @retval TRUE The POST_CODE_PROPERTY_POST_CODE_ENABLED bit of\r
cdffda11 123 PcdPostCodeProperyMask is set.\r
bad46384 124 @retval FALSE The POST_CODE_PROPERTY_POST_CODE_ENABLED bit of\r
cdffda11 125 PcdPostCodeProperyMask is clear.\r
126\r
127**/\r
128BOOLEAN\r
129EFIAPI\r
130PostCodeEnabled (\r
131 VOID\r
132 )\r
133{\r
134 return (BOOLEAN) ((PcdGet8(PcdPostCodePropertyMask) & POST_CODE_PROPERTY_POST_CODE_ENABLED) != 0);\r
135}\r
136\r
137\r
138/**\r
139 Returns TRUE if POST code descriptions are enabled.\r
140\r
bad46384 141 This function returns TRUE if the\r
142 POST_CODE_PROPERTY_POST_CODE_ENABLED bit of\r
cdffda11 143 PcdPostCodePropertyMask is set. Otherwise FALSE is returned.\r
144\r
bad46384 145 @retval TRUE The POST_CODE_PROPERTY_POST_CODE_ENABLED\r
cdffda11 146 bit of PcdPostCodeProperyMask is set.\r
bad46384 147 @retval FALSE The POST_CODE_PROPERTY_POST_CODE_ENABLED\r
cdffda11 148 bit of PcdPostCodeProperyMask is clear.\r
149\r
150**/\r
151BOOLEAN\r
152EFIAPI\r
153PostCodeDescriptionEnabled (\r
154 VOID\r
155 )\r
156{\r
157 return (BOOLEAN) ((PcdGet8(PcdPostCodePropertyMask) & POST_CODE_PROPERTY_POST_CODE_ENABLED) != 0);\r
158}\r