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git.proxmox.com Git - mirror_edk2.git/blob - EdkCompatibilityPkg/Foundation/Include/Arm/EfiBind.h
3 Copyright (c) 2004 - 2008, Intel Corporation
4 All rights reserved. This program and the accompanying materials
5 are licensed and made available under the terms and conditions of the BSD License
6 which accompanies this distribution. The full text of the license may be found at
7 http://opensource.org/licenses/bsd-license.php
9 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
10 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
18 Processor or Compiler specific defines and types for IA-32.
19 We are using the ANSI C 2000 _t type definitions for basic types.
20 This it technically a violation of the coding standard, but they
21 are used to make EfiTypes.h portable. Code other than EfiTypes.h
22 should never use any ANSI C 2000 _t integer types.
30 #define EFI_DRIVER_ENTRY_POINT(InitFunction)
31 #define EFI_APPLICATION_ENTRY_POINT EFI_DRIVER_ENTRY_POINT
35 // Make sure we are useing the correct packing rules per EFI specification
43 // Assume standard IA-32 alignment.
44 // BugBug: Need to check portability of long long
46 typedef unsigned long long uint64_t;
47 typedef long long int64_t;
48 typedef unsigned int uint32_t;
50 typedef unsigned short uint16_t;
51 typedef short int16_t;
52 typedef unsigned char uint8_t;
56 // Native integer size in stdint.h
58 typedef uint32_t uintn_t
;
59 typedef int32_t intn_t
;
62 // Processor specific defines
64 #define EFI_MAX_BIT 0x80000000
65 #define MAX_2_BITS 0xC0000000
68 // Maximum legal IA-32 address
70 #define EFI_MAX_ADDRESS 0xFFFFFFFF
73 // Bad pointer value to use in check builds.
74 // if you see this value you are using uninitialized or free'ed data
76 #define EFI_BAD_POINTER 0xAFAFAFAF
77 #define EFI_BAD_POINTER_AS_BYTE 0xAF
79 #define EFI_DEADLOOP() { volatile UINTN __iii; __iii = 1; while (__iii); }
82 // Inject a break point in the code to assist debugging for NT Emulation Environment
83 // For real hardware, just put in a halt loop. Don't do a while(1) because the
84 // compiler will optimize away the rest of the function following, so that you run out in
85 // the weeds if you skip over it with a debugger.
87 #define EFI_BREAKPOINT EFI_DEADLOOP()
91 // Memory Fence forces serialization, and is needed to support out of order
92 // memory transactions. The Memory Fence is mainly used to make sure IO
93 // transactions complete in a deterministic sequence, and to syncronize locks
94 // an other MP code. Currently no memory fencing is required.
96 #define MEMORY_FENCE()
99 // Some compilers don't support the forward reference construct:
100 // typedef struct XXXXX. The forward reference is required for
101 // ANSI compatibility.
103 // The following macro provide a workaround for such cases.
107 #ifdef EFI_NO_INTERFACE_DECL
108 #define EFI_FORWARD_DECLARATION(x)
110 #define EFI_FORWARD_DECLARATION(x) typedef struct _##x x
115 // Some C compilers optimize the calling conventions to increase performance.
116 // _EFIAPI is used to make all public APIs follow the standard C calling
124 // For symbol name in GNU assembly code, an extra "_" is necessary
126 #if defined(__GNUC__)
128 /// Private worker functions for ASM_PFX()
130 #define _CONCATENATE(a, b) __CONCATENATE(a, b)
131 #define __CONCATENATE(a, b) a ## b
134 /// The __USER_LABEL_PREFIX__ macro predefined by GNUC represents the prefix
135 /// on symbols in assembly language.
137 #define ASM_PFX(name) _CONCATENATE (__USER_LABEL_PREFIX__, name)