1 /******************************************************************************
2  *
3  * Module Name: abmain - Main module for the acpi binary utility
4  *
5  *****************************************************************************/
6 
7 /*
8  * Copyright (C) 2000 - 2022, Intel Corp.
9  * All rights reserved.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions, and the following disclaimer,
16  *    without modification.
17  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
18  *    substantially similar to the "NO WARRANTY" disclaimer below
19  *    ("Disclaimer") and any redistribution must be conditioned upon
20  *    including a substantially similar Disclaimer requirement for further
21  *    binary redistribution.
22  * 3. Neither the names of the above-listed copyright holders nor the names
23  *    of any contributors may be used to endorse or promote products derived
24  *    from this software without specific prior written permission.
25  *
26  * Alternatively, this software may be distributed under the terms of the
27  * GNU General Public License ("GPL") version 2 as published by the Free
28  * Software Foundation.
29  *
30  * NO WARRANTY
31  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
34  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
35  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
36  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
37  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
38  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
40  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
41  * POSSIBILITY OF SUCH DAMAGES.
42  */
43 
44 #define _DECLARE_GLOBALS
45 #include "acpibin.h"
46 
47 /* Local prototypes */
48 
49 static void
50 AbDisplayUsage (
51     UINT8                   OptionCount);
52 
53 
54 #define AB_UTILITY_NAME             "ACPI Binary Table Dump Utility"
55 #define AB_SUPPORTED_OPTIONS        "a:c:d:h:o:s:tv^"
56 
57 
58 /******************************************************************************
59  *
60  * FUNCTION:    AbDisplayUsage
61  *
62  * DESCRIPTION: Usage message
63  *
64  ******************************************************************************/
65 
66 static void
AbDisplayUsage(UINT8 OptionCount)67 AbDisplayUsage (
68     UINT8                   OptionCount)
69 {
70 
71     if (OptionCount)
72     {
73         printf ("Option requires %u arguments\n\n", OptionCount);
74     }
75 
76     ACPI_USAGE_HEADER ("acpibin [options]");
77 
78     ACPI_OPTION ("-a <File1> <File2>",      "Compare two binary AML files, dump all mismatches");
79     ACPI_OPTION ("-c <File1> <File2>",      "Compare two binary AML files, dump first 100 mismatches");
80     ACPI_OPTION ("-d <In> <Out>",           "Dump AML binary to text file");
81     ACPI_OPTION ("-o <Value>",              "Start comparison at this offset into second file");
82     ACPI_OPTION ("-h <File>",               "Display table header for binary AML file");
83     ACPI_OPTION ("-s <File>",               "Update checksum for binary AML file");
84     ACPI_OPTION ("-t",                      "Terse mode");
85     ACPI_OPTION ("-v",                      "Display version information");
86     ACPI_OPTION ("-vd",                     "Display build date and time");
87 }
88 
89 
90 /******************************************************************************
91  *
92  * FUNCTION:    main
93  *
94  * DESCRIPTION: C main function
95  *
96  ******************************************************************************/
97 
98 int ACPI_SYSTEM_XFACE
main(int argc,char * argv[])99 main (
100     int                     argc,
101     char                    *argv[])
102 {
103     int                     j;
104     int                     Status = AE_OK;
105 
106 
107     ACPI_DEBUG_INITIALIZE (); /* For debug version only */
108 
109     AcpiGbl_DebugFile = NULL;
110     AcpiGbl_DbOutputFlags = DB_CONSOLE_OUTPUT;
111 
112     AcpiOsInitialize ();
113     printf (ACPI_COMMON_SIGNON (AB_UTILITY_NAME));
114 
115     if (argc < 2)
116     {
117         AbDisplayUsage (0);
118         return (0);
119     }
120 
121     /* Command line options */
122 
123     while ((j = AcpiGetopt (argc, argv, AB_SUPPORTED_OPTIONS)) != ACPI_OPT_END) switch(j)
124     {
125     case 'a':   /* Compare Files, display all differences */
126 
127         AbGbl_DisplayAllMiscompares = TRUE;
128 
129         ACPI_FALLTHROUGH;
130 
131     case 'c':   /* Compare Files */
132 
133         if (argc < 4)
134         {
135             AbDisplayUsage (2);
136             return (-1);
137         }
138 
139         Status = AbCompareAmlFiles (AcpiGbl_Optarg, argv[AcpiGbl_Optind]);
140         break;
141 
142     case 'd':   /* Dump AML file */
143 
144         if (argc < 4)
145         {
146             AbDisplayUsage (2);
147             return (-1);
148         }
149 
150         Status = AbDumpAmlFile (AcpiGbl_Optarg, argv[AcpiGbl_Optind]);
151         break;
152 
153     case 'h':   /* Display ACPI table header */
154 
155         if (argc < 3)
156         {
157             AbDisplayUsage (1);
158             return (-1);
159         }
160 
161         AbDisplayHeader (AcpiGbl_Optarg);
162         return (0);
163 
164     case 'o':
165 
166         AbGbl_CompareOffset = atoi (AcpiGbl_Optarg);
167         continue;
168 
169     case 's':   /* Compute/update checksum */
170 
171         if (argc < 3)
172         {
173             AbDisplayUsage (1);
174             return (-1);
175         }
176 
177         AbComputeChecksum (AcpiGbl_Optarg);
178         return (0);
179 
180     case 't':   /* Enable terse mode */
181 
182         Gbl_TerseMode = TRUE;
183         break;
184 
185     case 'v': /* -v: (Version): signon already emitted, just exit */
186 
187         switch (AcpiGbl_Optarg[0])
188         {
189         case '^':  /* -v: (Version): signon already emitted, just exit */
190 
191             return (1);
192 
193         case 'd':
194 
195             printf (ACPI_COMMON_BUILD_TIME);
196             return (1);
197 
198         default:
199 
200             printf ("Unknown option: -v%s\n", AcpiGbl_Optarg);
201             return (-1);
202         }
203         break;
204 
205     default:
206 
207         AbDisplayUsage (0);
208         return (-1);
209     }
210 
211     return (Status);
212 }
213