1 /******************************************************************************
2 *
3 * Module Name: efihello - very simple ACPICA/EFI integration example
4 *
5 *****************************************************************************/
6
7 /*
8 * Copyright (C) 2000 - 2023, 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 #include "acpi.h"
45 #include "accommon.h"
46 #include "acapps.h"
47
48
49 #define LINE_SIZE 256
50 static char LineBuffer[LINE_SIZE];
51
52 /******************************************************************************
53 *
54 * FUNCTION: main
55 *
56 * PARAMETERS: argc/argv - Standard argc/argv
57 *
58 * RETURN: Status
59 *
60 * DESCRIPTION: C main function for efihello
61 *
62 ******************************************************************************/
63
64 #if !defined(_GNU_EFI) && !defined(_EDK2_EFI)
65 int ACPI_SYSTEM_XFACE
main(int argc,char * argv[])66 main (
67 int argc,
68 char *argv[])
69 #else
70 int ACPI_SYSTEM_XFACE
71 acpi_main (
72 int argc,
73 char *argv[])
74 #endif
75 {
76 ACPI_FILE File;
77 BOOLEAN DoCloseFile = FALSE;
78 char *Result;
79
80
81 AcpiOsInitialize ();
82
83 printf ("argc=%d\n", argc);
84
85 if (argc > 1)
86 {
87 File = fopen (argv[1], "r");
88 if (!File)
89 {
90 printf ("Failed to open %s.\n", argv[1]);
91 return (-1);
92 }
93 DoCloseFile = TRUE;
94 }
95 else
96 {
97 File = stdin;
98 }
99
100 while (1)
101 {
102 Result = fgets (LineBuffer, LINE_SIZE, File);
103 if (!Result)
104 {
105 printf ("Failed to read %s.\n", argv[1]);
106 fclose (File);
107 return (-2);
108 }
109
110 printf ("%s", LineBuffer);
111
112 if (strncmp (Result, "exit", 4) == 0)
113 {
114 break;
115 }
116 }
117
118
119 if (DoCloseFile)
120 {
121 fclose (File);
122 }
123 return (0);
124 }
125