xref: /freebsd/lib/libefivar/efi-osdep.h (revision 0957b409a90fd597c1e9124cbaf3edd2b488f4ac)
1 /*-
2  * Copyright (c) 2017 Netflix, Inc.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  * 1. Redistributions of source code must retain the above copyright
8  *    notice, this list of conditions and the following disclaimer.
9  * 2. Redistributions in binary form must reproduce the above copyright
10  *    notice, this list of conditions and the following disclaimer in the
11  *    documentation and/or other materials provided with the distribution.
12  *
13  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23  * SUCH DAMAGE.
24  *
25  * $FreeBSD$
26  */
27 
28 #ifndef	_EFI_OSDEP_H_
29 #define	_EFI_OSDEP_H_
30 
31 /*
32  * Defines to adjust the types that EDK2 uses for FreeBSD so we can
33  * use the code and headers mostly unchanged. The headers are imported
34  * all into one directory to avoid case issues with filenames and
35  * included. The actual code is heavily modified since it has too many
36  * annoying dependencies that are difficult to satisfy.
37  */
38 
39 #include <sys/cdefs.h>
40 #include <stdlib.h>
41 #include <stdint.h>
42 #include <uuid.h>
43 
44 typedef int8_t INT8;
45 typedef int16_t INT16;
46 typedef int32_t INT32;
47 typedef int64_t INT64;
48 typedef intptr_t INTN;
49 typedef uint8_t UINT8;
50 typedef uint16_t UINT16;
51 typedef uint32_t UINT32;
52 typedef uint64_t UINT64;
53 typedef uintptr_t UINTN;
54 //typedef uintptr_t EFI_PHYSICAL_ADDRESS;
55 //typedef uint32_t EFI_IPv4_ADDRESS;
56 //typedef uint8_t EFI_MAC_ADDRESS[6];
57 //typedef uint8_t EFI_IPv6_ADDRESS[16];
58 typedef uint8_t CHAR8;
59 typedef uint16_t CHAR16;
60 typedef UINT8 BOOLEAN;
61 typedef void VOID;
62 //typedef uuid_t GUID;
63 //typedef uuid_t EFI_GUID;
64 
65 /* We can't actually call this stuff, so snip out API syntactic sugar */
66 #define INTERFACE_DECL(x)
67 #define EFIAPI
68 #define IN
69 #define OUT
70 #define CONST const
71 #define OPTIONAL
72 //#define TRUE 1
73 //#define FALSE 0
74 
75 /*
76  * EDK2 has fine definitions for these, so let it define them.
77  */
78 #undef NULL
79 #undef EFI_PAGE_SIZE
80 #undef EFI_PAGE_MASK
81 
82 /*
83  * Note: the EDK2 code assumed #pragma packed works and PACKED is a
84  * workaround for some old toolchain issues for EDK2 that aren't
85  * relevent to FreeBSD.
86  */
87 #define PACKED
88 
89 /*
90  * Since we're not compiling for the UEFI boot time (which use ms abi
91  * conventions), tell EDK2 to define VA_START correctly. For the boot
92  * loader, this likely needs to be different.
93  */
94 #define NO_MSABI_VA_FUNCS 1
95 
96 /*
97  * Finally, we need to define the processor we are in EDK2 terms.
98  */
99 #if defined(__i386__)
100 #define MDE_CPU_IA32
101 #elif defined(__amd64__)
102 #define MDE_CPU_X64
103 #elif defined(__arm__)
104 #define MDE_CPU_ARM
105 #elif defined(__aarch64__)
106 #define MDE_CPU_AARCH64
107 #endif
108 /* FreeBSD doesn't have/use MDE_CPU_EBC or MDE_CPU_IPF (ia64) */
109 
110 #endif /* _EFI_OSDEP_H_ */
111