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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
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
9\r
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
12\r
13**/\r
14\r
15//\r
16// The package level header files this module uses\r
17//\r
18#include <PiPei.h>\r
19//\r
20// The Library classes this module consumes\r
21//\r
22#include <Library/PostCodeLib.h>\r
23#include <Library/ReportStatusCodeLib.h>\r
24#include <Library/PcdLib.h>\r
25#include <Library/BaseLib.h>\r
26\r
27/**\r
28 Converts POST code value to status code value.\r
29\r
30 This macro converts the post code to status code value. Bits 0..4 of PostCode\r
31 are mapped to bits 16..20 of status code value, and bits 5..7 of PostCode are mapped to bits\r
32 24..26 of status code value.\r
33\r
34 @param PostCode POST code value.\r
35\r
36 @return The converted status code value.\r
37\r
38**/\r
39#define POST_CODE_TO_STATUS_CODE_VALUE(PostCode) \\r
40 ((EFI_STATUS_CODE_VALUE) (((PostCode & 0x1f) << 16) | ((PostCode & 0x3) << 19)))\r
41\r
42/**\r
43 Sends an 32-bit value to a POST card.\r
44\r
45 Sends the 32-bit value specified by Value to a POST card, and returns Value.\r
46 Some implementations of this library function may perform I/O operations\r
47 directly to a POST card device. Other implementations may send Value to\r
48 ReportStatusCode(), and the status code reporting mechanism will eventually\r
49 display the 32-bit value on the status reporting device.\r
50\r
51 PostCode() must actively prevent recursion. If PostCode() is called while\r
52 processing another any other Report Status Code Library function, then\r
53 PostCode() must return Value immediately.\r
54\r
55 @param Value The 32-bit value to write to the POST card.\r
56\r
57 @return Value\r
58\r
59**/\r
60UINT32\r
61EFIAPI\r
62PostCode (\r
63 IN UINT32 Value\r
64 )\r
65{\r
66 REPORT_STATUS_CODE (EFI_PROGRESS_CODE, POST_CODE_TO_STATUS_CODE_VALUE (Value));\r
67 return Value;\r
68}\r
69\r
70\r
71/**\r
72 Sends an 32-bit value to a POST and associated ASCII string.\r
73\r
74 Sends the 32-bit value specified by Value to a POST card, and returns Value.\r
75 If Description is not NULL, then the ASCII string specified by Description is\r
76 also passed to the handler that displays the POST card value. Some\r
77 implementations of this library function may perform I/O operations directly\r
78 to a POST card device. Other implementations may send Value to ReportStatusCode(),\r
79 and the status code reporting mechanism will eventually display the 32-bit\r
80 value on the status reporting device.\r
81\r
82 PostCodeWithDescription()must actively prevent recursion. If\r
83 PostCodeWithDescription() is called while processing another any other Report\r
84 Status Code Library function, then PostCodeWithDescription() must return Value\r
85 immediately.\r
86\r
87 @param Value The 32-bit value to write to the POST card.\r
88 @param Description Pointer to an ASCII string that is a description of the\r
89 POST code value. This is an optional parameter that may\r
90 be NULL.\r
91\r
92 @return Value\r
93\r
94**/\r
95UINT32\r
96EFIAPI\r
97PostCodeWithDescription (\r
98 IN UINT32 Value,\r
99 IN CONST CHAR8 *Description OPTIONAL\r
100 )\r
101{\r
102 if (Description == NULL) {\r
103 REPORT_STATUS_CODE (\r
104 EFI_PROGRESS_CODE,\r
105 POST_CODE_TO_STATUS_CODE_VALUE (Value)\r
106 );\r
107 } else {\r
108 REPORT_STATUS_CODE_WITH_EXTENDED_DATA (\r
109 EFI_PROGRESS_CODE,\r
110 POST_CODE_TO_STATUS_CODE_VALUE (Value),\r
111 Description,\r
112 AsciiStrSize (Description)\r
113 );\r
114 }\r
115\r
116 return Value;\r
117}\r
118\r
119\r
120/**\r
121 Returns TRUE if POST Codes are enabled.\r
122\r
123 This function returns TRUE if the POST_CODE_PROPERTY_POST_CODE_ENABLED\r
124 bit of PcdPostCodePropertyMask is set. Otherwise FALSE is returned.\r
125\r
126 @retval TRUE The POST_CODE_PROPERTY_POST_CODE_ENABLED bit of\r
127 PcdPostCodeProperyMask is set.\r
128 @retval FALSE The POST_CODE_PROPERTY_POST_CODE_ENABLED bit of\r
129 PcdPostCodeProperyMask is clear.\r
130\r
131**/\r
132BOOLEAN\r
133EFIAPI\r
134PostCodeEnabled (\r
135 VOID\r
136 )\r
137{\r
138 return (BOOLEAN) ((PcdGet8(PcdPostCodePropertyMask) & POST_CODE_PROPERTY_POST_CODE_ENABLED) != 0);\r
139}\r
140\r
141\r
142/**\r
143 Returns TRUE if POST code descriptions are enabled.\r
144\r
145 This function returns TRUE if the\r
146 POST_CODE_PROPERTY_POST_CODE_ENABLED bit of\r
147 PcdPostCodePropertyMask is set. Otherwise FALSE is returned.\r
148\r
149 @retval TRUE The POST_CODE_PROPERTY_POST_CODE_ENABLED\r
150 bit of PcdPostCodeProperyMask is set.\r
151 @retval FALSE The POST_CODE_PROPERTY_POST_CODE_ENABLED\r
152 bit of PcdPostCodeProperyMask is clear.\r
153\r
154**/\r
155BOOLEAN\r
156EFIAPI\r
157PostCodeDescriptionEnabled (\r
158 VOID\r
159 )\r
160{\r
161 return (BOOLEAN) ((PcdGet8(PcdPostCodePropertyMask) & POST_CODE_PROPERTY_POST_CODE_ENABLED) != 0);\r
162}\r