xref: /freebsd/lib/libefivar/efi-osdep.h (revision f39bffc62c1395bde25d152c7f68fdf7cbaab414)
1 /*-
2  * Copyright (c) 2017 Netflix, Inc.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  *
26  * $FreeBSD$
27  */
28 
29 #ifndef	_EFI_OSDEP_H_
30 #define	_EFI_OSDEP_H_
31 
32 /*
33  * Defines to adjust the types that EDK2 uses for FreeBSD so we can
34  * use the code and headers mostly unchanged. The headers are imported
35  * all into one directory to avoid case issues with filenames and
36  * included. The actual code is heavily modified since it has too many
37  * annoying dependencies that are difficult to satisfy.
38  */
39 
40 #include <sys/cdefs.h>
41 #include <stdlib.h>
42 #include <stdint.h>
43 #include <uuid.h>
44 
45 typedef int8_t INT8;
46 typedef int16_t INT16;
47 typedef int32_t INT32;
48 typedef int64_t INT64;
49 typedef intptr_t INTN;
50 typedef uint8_t UINT8;
51 typedef uint16_t UINT16;
52 typedef uint32_t UINT32;
53 typedef uint64_t UINT64;
54 typedef uintptr_t UINTN;
55 //typedef uintptr_t EFI_PHYSICAL_ADDRESS;
56 //typedef uint32_t EFI_IPv4_ADDRESS;
57 //typedef uint8_t EFI_MAC_ADDRESS[6];
58 //typedef uint8_t EFI_IPv6_ADDRESS[16];
59 typedef uint8_t CHAR8;
60 typedef uint16_t CHAR16;
61 typedef UINT8 BOOLEAN;
62 typedef void VOID;
63 //typedef uuid_t GUID;
64 //typedef uuid_t EFI_GUID;
65 
66 /* We can't actually call this stuff, so snip out API syntactic sugar */
67 #define INTERFACE_DECL(x)
68 #define EFIAPI
69 #define IN
70 #define OUT
71 #define CONST const
72 #define OPTIONAL
73 //#define TRUE 1
74 //#define FALSE 0
75 
76 /*
77  * EDK2 has fine definitions for these, so let it define them.
78  */
79 #undef NULL
80 #undef EFI_PAGE_SIZE
81 #undef EFI_PAGE_MASK
82 
83 /*
84  * Note: the EDK2 code assumed #pragma packed works and PACKED is a
85  * workaround for some old toolchain issues for EDK2 that aren't
86  * relevent to FreeBSD.
87  */
88 #define PACKED
89 
90 /*
91  * Since we're not compiling for the UEFI boot time (which use ms abi
92  * conventions), tell EDK2 to define VA_START correctly. For the boot
93  * loader, this likely needs to be different.
94  */
95 #define NO_MSABI_VA_FUNCS 1
96 
97 /*
98  * Finally, we need to define the processor we are in EDK2 terms.
99  */
100 #if defined(__i386__)
101 #define MDE_CPU_IA32
102 #elif defined(__amd64__)
103 #define MDE_CPU_X64
104 #elif defined(__arm__)
105 #define MDE_CPU_ARM
106 #elif defined(__aarch64__)
107 #define MDE_CPU_AARCH64
108 #endif
109 /* FreeBSD doesn't have/use MDE_CPU_EBC or MDE_CPU_IPF (ia64) */
110 
111 #endif /* _EFI_OSDEP_H_ */
112